优化网络通讯过程
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								auth/auth.go
								
								
								
								
							
							
						
						
									
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								auth/auth.go
								
								
								
								
							|  | @ -57,3 +57,33 @@ func (c *Credential) Payload() string { | |||
| func (c *Credential) Name() string { | ||||
| 	return c.name | ||||
| } | ||||
| 
 | ||||
| // Object is the object to be authenticated,
 | ||||
| // The Object usually be pass to `Authenticate` function to be authed.
 | ||||
| type Object interface { | ||||
| 	// AuthName returns the auth name, the name will be used to find the auth way.
 | ||||
| 	AuthName() string | ||||
| 
 | ||||
| 	// AuthPayload returns the auth payload be passed to `auth.Authenticate`.
 | ||||
| 	AuthPayload() string | ||||
| } | ||||
| 
 | ||||
| // Authenticate finds an authentication way in `auths` and authenticates the Object.
 | ||||
| //
 | ||||
| // If `auths` is nil or empty, It returns true, It think that authentication is not required.
 | ||||
| func Authenticate(auths map[string]Authentication, obj Object) bool { | ||||
| 	if auths == nil || len(auths) <= 0 { | ||||
| 		return true | ||||
| 	} | ||||
| 
 | ||||
| 	if obj == nil { | ||||
| 		return false | ||||
| 	} | ||||
| 
 | ||||
| 	auth, ok := auths[obj.AuthName()] | ||||
| 	if !ok { | ||||
| 		return false | ||||
| 	} | ||||
| 
 | ||||
| 	return auth.Authenticate(obj.AuthPayload()) | ||||
| } | ||||
|  |  | |||
							
								
								
									
										619
									
								
								client.go
								
								
								
								
							
							
						
						
									
										619
									
								
								client.go
								
								
								
								
							|  | @ -3,459 +3,312 @@ package network | |||
| import ( | ||||
| 	"context" | ||||
| 	"errors" | ||||
| 	"fmt" | ||||
| 	"git.hpds.cc/Component/network/hpds_err" | ||||
| 	"git.hpds.cc/Component/network/id" | ||||
| 	pkgtls "git.hpds.cc/Component/network/tls" | ||||
| 	"net" | ||||
| 	"sync" | ||||
| 	"time" | ||||
| 
 | ||||
| 	"github.com/lucas-clemente/quic-go" | ||||
| 
 | ||||
| 	"git.hpds.cc/Component/network/auth" | ||||
| 	"git.hpds.cc/Component/network/frame" | ||||
| 	"git.hpds.cc/Component/network/log" | ||||
| ) | ||||
| 
 | ||||
| // ClientOption client options
 | ||||
| type ClientOption func(*ClientOptions) | ||||
| 
 | ||||
| // ConnState describes the state of the connection.
 | ||||
| type ConnState = string | ||||
| type ClientOption func(*clientOptions) | ||||
| 
 | ||||
| // Client is the abstraction of a HPDS-Client. a HPDS-Client can be
 | ||||
| // Protocol Gateway, Message Queue or StreamFunction.
 | ||||
| type Client struct { | ||||
| 	name       string                     // name of the client
 | ||||
| 	clientId   string                     // id of the client
 | ||||
| 	clientType ClientType                 // type of the connection
 | ||||
| 	conn       quic.Connection            // quic connection
 | ||||
| 	stream     quic.Stream                // quic stream
 | ||||
| 	state      ConnState                  // state of the connection
 | ||||
| 	processor  func(*frame.DataFrame)     // functions to invoke when data arrived
 | ||||
| 	receiver   func(*frame.BackFlowFrame) // functions to invoke when data is processed
 | ||||
| 	addr       string                     // the address of server connected to
 | ||||
| 	mu         sync.Mutex | ||||
| 	opts       ClientOptions | ||||
| 	localAddr  string // client local addr, it will be changed on reconnect
 | ||||
| 	logger     log.Logger | ||||
| 	errChan    chan error | ||||
| 	closeChan  chan bool | ||||
| 	closed     bool | ||||
| 	streamType StreamType                 // type of the dataStream
 | ||||
| 	processor  func(*frame.DataFrame)     // function to invoke when data arrived
 | ||||
| 	receiver   func(*frame.BackFlowFrame) // function to invoke when data is processed
 | ||||
| 	errorfn    func(error)                // function to invoke when error occured
 | ||||
| 	opts       *clientOptions | ||||
| 
 | ||||
| 	// ctx and ctxCancel manage the lifecycle of client.
 | ||||
| 	ctx       context.Context | ||||
| 	ctxCancel context.CancelFunc | ||||
| 
 | ||||
| 	writeFrameChan chan frame.Frame | ||||
| 	shutdownChan   chan error | ||||
| } | ||||
| 
 | ||||
| // NewClient creates a new HPDS-Client.
 | ||||
| func NewClient(appName string, connType ClientType, opts ...ClientOption) *Client { | ||||
| 	c := &Client{ | ||||
| 		name:       appName, | ||||
| 		clientId:   id.New(), | ||||
| 		clientType: connType, | ||||
| 		state:      ConnStateReady, | ||||
| 		opts:       ClientOptions{}, | ||||
| 		errChan:    make(chan error), | ||||
| 		closeChan:  make(chan bool), | ||||
| 	} | ||||
| 	_ = c.Init(opts...) | ||||
| 	once.Do(func() { | ||||
| 		c.init() | ||||
| 	}) | ||||
| 	option := defaultClientOption() | ||||
| 
 | ||||
| 	return c | ||||
| } | ||||
| 
 | ||||
| // Init the options.
 | ||||
| func (c *Client) Init(opts ...ClientOption) error { | ||||
| 	for _, o := range opts { | ||||
| 		o(&c.opts) | ||||
| 		o(option) | ||||
| 	} | ||||
| 	clientId := id.New() | ||||
| 
 | ||||
| 	if option.credential != nil { | ||||
| 		log.Infof("use credential, credential_name: %s;", option.credential.Name()) | ||||
| 	} | ||||
| 
 | ||||
| 	ctx, ctxCancel := context.WithCancel(context.Background()) | ||||
| 
 | ||||
| 	return &Client{ | ||||
| 		name:           appName, | ||||
| 		clientId:       clientId, | ||||
| 		streamType:     connType, | ||||
| 		opts:           option, | ||||
| 		errorfn:        func(err error) { log.Errorf("client err, %s", err) }, | ||||
| 		writeFrameChan: make(chan frame.Frame), | ||||
| 		shutdownChan:   make(chan error, 1), | ||||
| 		ctx:            ctx, | ||||
| 		ctxCancel:      ctxCancel, | ||||
| 	} | ||||
| 	return c.initOptions() | ||||
| } | ||||
| 
 | ||||
| // Connect connects to HPDS-MessageQueue.
 | ||||
| func (c *Client) Connect(ctx context.Context, addr string) error { | ||||
| 
 | ||||
| 	// TODO: refactor this later as a Connection Manager
 | ||||
| 	// reconnect
 | ||||
| 	// for download mq
 | ||||
| 	// If you do not check for errors, the connection will be automatically reconnected
 | ||||
| 	go c.reconnect(ctx, addr) | ||||
| 
 | ||||
| 	// connect
 | ||||
| 	if err := c.connect(ctx, addr); err != nil { | ||||
| 	controlStream, dataStream, err := c.openStream(ctx, addr) | ||||
| 	if err != nil { | ||||
| 		log.Errorf("connect error, %s", err) | ||||
| 		return err | ||||
| 	} | ||||
| 
 | ||||
| 	go c.runBackground(ctx, addr, controlStream, dataStream) | ||||
| 
 | ||||
| 	return nil | ||||
| } | ||||
| 
 | ||||
| func (c *Client) connect(ctx context.Context, addr string) error { | ||||
| 	c.addr = addr | ||||
| 	c.state = ConnStateConnecting | ||||
| func (c *Client) runBackground(ctx context.Context, addr string, controlStream ClientControlStream, dataStream DataStream) { | ||||
| 	reconnection := make(chan struct{}) | ||||
| 
 | ||||
| 	// create quic connection
 | ||||
| 	conn, err := quic.DialAddrContext(ctx, addr, c.opts.TLSConfig, c.opts.QuicConfig) | ||||
| 	if err != nil { | ||||
| 		c.state = ConnStateDisconnected | ||||
| 		return err | ||||
| 	} | ||||
| 	go c.processStream(controlStream, dataStream, reconnection) | ||||
| 
 | ||||
| 	// quic stream
 | ||||
| 	stream, err := conn.OpenStreamSync(ctx) | ||||
| 	if err != nil { | ||||
| 		c.state = ConnStateDisconnected | ||||
| 		return err | ||||
| 	} | ||||
| 
 | ||||
| 	c.stream = stream | ||||
| 	c.conn = conn | ||||
| 
 | ||||
| 	c.state = ConnStateAuthenticating | ||||
| 	// send handshake
 | ||||
| 	handshake := frame.NewHandshakeFrame( | ||||
| 		c.name, | ||||
| 		c.clientId, | ||||
| 		byte(c.clientType), | ||||
| 		c.opts.ObserveDataTags, | ||||
| 		c.opts.Credential.Name(), | ||||
| 		c.opts.Credential.Payload(), | ||||
| 	) | ||||
| 	err = c.WriteFrame(handshake) | ||||
| 	if err != nil { | ||||
| 		c.state = ConnStateRejected | ||||
| 		return err | ||||
| 	} | ||||
| 	c.state = ConnStateConnected | ||||
| 	c.localAddr = c.conn.LocalAddr().String() | ||||
| 
 | ||||
| 	c.logger.Printf("%s [%s][%s](%s) is connected to HPDS-MQ %s", ClientLogPrefix, c.name, c.clientId, c.localAddr, addr) | ||||
| 
 | ||||
| 	// receiving frames
 | ||||
| 	go c.handleFrame() | ||||
| 
 | ||||
| 	return nil | ||||
| } | ||||
| 
 | ||||
| // handleFrame handles the logic when receiving frame from server.
 | ||||
| func (c *Client) handleFrame() { | ||||
| 	// transform raw QUIC stream to wire format
 | ||||
| 	fs := NewFrameStream(c.stream) | ||||
| 	for { | ||||
| 		c.logger.Debugf("%shandleFrame connection state=%v", ClientLogPrefix, c.state) | ||||
| 		// this will block until a frame is received
 | ||||
| 		f, err := fs.ReadFrame() | ||||
| 		if err != nil { | ||||
| 			defer func() { | ||||
| 				_ = c.stream.Close() | ||||
| 			}() | ||||
| 
 | ||||
| 			c.logger.Debugf("%shandleFrame(): %T | %v", ClientLogPrefix, err, err) | ||||
| 			if e, ok := err.(*quic.IdleTimeoutError); ok { | ||||
| 				c.logger.Errorf("%sconnection timeout, err=%v, mq addr=%s", ClientLogPrefix, e, c.addr) | ||||
| 				c.setState(ConnStateDisconnected) | ||||
| 			} else if e, ok := err.(*quic.ApplicationError); ok { | ||||
| 				c.logger.Infof("%sapplication error, err=%v, errcode=%v", ClientLogPrefix, e, e.ErrorCode) | ||||
| 				if hpds_err.Is(e.ErrorCode, hpds_err.ErrorCodeRejected) { | ||||
| 					// if connection is rejected(eg: authenticate fails) from server
 | ||||
| 					c.logger.Errorf("%sIllegal client, server rejected.", ClientLogPrefix) | ||||
| 					c.setState(ConnStateRejected) | ||||
| 					break | ||||
| 				} else if hpds_err.Is(e.ErrorCode, hpds_err.ErrorCodeClientAbort) { | ||||
| 					// client abort
 | ||||
| 					c.logger.Infof("%sclient close the connection", ClientLogPrefix) | ||||
| 					c.setState(ConnStateAborted) | ||||
| 					break | ||||
| 				} else if hpds_err.Is(e.ErrorCode, hpds_err.ErrorCodeGoaway) { | ||||
| 					// server goaway
 | ||||
| 					c.logger.Infof("%sserver goaway the connection", ClientLogPrefix) | ||||
| 					c.setState(ConnStateGoaway) | ||||
| 					break | ||||
| 				} else if hpds_err.Is(e.ErrorCode, hpds_err.ErrorCodeHandshake) { | ||||
| 					// handshake
 | ||||
| 					c.logger.Errorf("%shandshake fails", ClientLogPrefix) | ||||
| 					c.setState(ConnStateRejected) | ||||
| 					break | ||||
| 				} | ||||
| 			} else if errors.Is(err, net.ErrClosed) { | ||||
| 				// if client close the connection, net.ErrClosed will be raised
 | ||||
| 				c.logger.Errorf("%sconnection is closed, err=%v", ClientLogPrefix, err) | ||||
| 				c.setState(ConnStateDisconnected) | ||||
| 				// by quic-go IdleTimeoutError after connection's KeepAlive config.
 | ||||
| 				break | ||||
| 			} else { | ||||
| 				// any error occurred, we should close the stream
 | ||||
| 				// after this, conn.AcceptStream() will raise the error
 | ||||
| 				c.setState(ConnStateClosed) | ||||
| 				_ = c.conn.CloseWithError(hpds_err.To(hpds_err.ErrorCodeUnknown), err.Error()) | ||||
| 				c.logger.Errorf("%sunknown error occurred, err=%v, state=%v", ClientLogPrefix, err, c.getState()) | ||||
| 				break | ||||
| 		select { | ||||
| 		case <-c.ctx.Done(): | ||||
| 			c.cleanStream(controlStream, nil) | ||||
| 			return | ||||
| 		case <-ctx.Done(): | ||||
| 			c.cleanStream(controlStream, ctx.Err()) | ||||
| 			return | ||||
| 		case <-reconnection: | ||||
| 		RECONNECT: | ||||
| 			var err error | ||||
| 			controlStream, dataStream, err = c.openStream(ctx, addr) | ||||
| 			if err != nil { | ||||
| 				log.Errorf("client reconnect error, %s", err) | ||||
| 				time.Sleep(time.Second) | ||||
| 				goto RECONNECT | ||||
| 			} | ||||
| 		} | ||||
| 		if f == nil { | ||||
| 			break | ||||
| 		} | ||||
| 		// read frame
 | ||||
| 		// first, get frame type
 | ||||
| 		frameType := f.Type() | ||||
| 		c.logger.Debugf("%stype=%s, frame=%# x", ClientLogPrefix, frameType, frame.Shortly(f.Encode())) | ||||
| 		switch frameType { | ||||
| 		case frame.TagOfHandshakeFrame: | ||||
| 			if v, ok := f.(*frame.HandshakeFrame); ok { | ||||
| 				c.logger.Debugf("%sreceive HandshakeFrame, name=%v", ClientLogPrefix, v.Name) | ||||
| 			} | ||||
| 		case frame.TagOfPongFrame: | ||||
| 			c.setState(ConnStatePong) | ||||
| 		case frame.TagOfAcceptedFrame: | ||||
| 			c.setState(ConnStateAccepted) | ||||
| 		case frame.TagOfRejectedFrame: | ||||
| 			c.setState(ConnStateRejected) | ||||
| 			if v, ok := f.(*frame.RejectedFrame); ok { | ||||
| 				c.logger.Errorf("%s receive RejectedFrame, message=%s", ClientLogPrefix, v.Message()) | ||||
| 				_ = c.conn.CloseWithError(hpds_err.To(hpds_err.ErrorCodeRejected), v.Message()) | ||||
| 				c.errChan <- errors.New(v.Message()) | ||||
| 				break | ||||
| 			} | ||||
| 		case frame.TagOfGoawayFrame: | ||||
| 			c.setState(ConnStateGoaway) | ||||
| 			if v, ok := f.(*frame.GoawayFrame); ok { | ||||
| 				c.logger.Errorf("%s️ receive GoawayFrame, message=%s", ClientLogPrefix, v.Message()) | ||||
| 				_ = c.conn.CloseWithError(hpds_err.To(hpds_err.ErrorCodeGoaway), v.Message()) | ||||
| 				c.errChan <- errors.New(v.Message()) | ||||
| 				break | ||||
| 			} | ||||
| 		case frame.TagOfDataFrame: // DataFrame carries user's data
 | ||||
| 			if v, ok := f.(*frame.DataFrame); ok { | ||||
| 				c.setState(ConnStateTransportData) | ||||
| 				c.logger.Debugf("%sreceive DataFrame, tag=%#x, tid=%s, carry=%# x", ClientLogPrefix, v.GetDataTag(), v.TransactionId(), v.GetCarriage()) | ||||
| 				if c.processor == nil { | ||||
| 					c.logger.Warnf("%sprocessor is nil", ClientLogPrefix) | ||||
| 				} else { | ||||
| 					c.processor(v) | ||||
| 				} | ||||
| 			} | ||||
| 		case frame.TagOfBackFlowFrame: | ||||
| 			if v, ok := f.(*frame.BackFlowFrame); ok { | ||||
| 				c.logger.Debugf("%sreceive BackFlowFrame, tag=%#x, carry=%# x", ClientLogPrefix, v.GetDataTag(), v.GetCarriage()) | ||||
| 				if c.receiver == nil { | ||||
| 					c.logger.Warnf("%sreceiver is nil", ClientLogPrefix) | ||||
| 				} else { | ||||
| 					c.setState(ConnStateBackFlow) | ||||
| 					c.receiver(v) | ||||
| 				} | ||||
| 			} | ||||
| 		default: | ||||
| 			c.logger.Errorf("%sunknown signal", ClientLogPrefix) | ||||
| 			go c.processStream(controlStream, dataStream, reconnection) | ||||
| 		} | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // WriteFrame write frame to client.
 | ||||
| func (c *Client) WriteFrame(f frame.Frame) error { | ||||
| 	c.writeFrameChan <- f | ||||
| 	return nil | ||||
| } | ||||
| 
 | ||||
| func (c *Client) cleanStream(controlStream ClientControlStream, err error) { | ||||
| 	errString := "" | ||||
| 	if err != nil { | ||||
| 		errString = err.Error() | ||||
| 		log.Errorf("client cancel with error, %s", err) | ||||
| 	} | ||||
| 
 | ||||
| 	// controlStream is nil represents that client is not connected.
 | ||||
| 	if controlStream == nil { | ||||
| 		return | ||||
| 	} | ||||
| 
 | ||||
| 	_ = controlStream.CloseWithError(0, errString) | ||||
| } | ||||
| 
 | ||||
| // Close the client.
 | ||||
| func (c *Client) Close() (err error) { | ||||
| 	if c.conn != nil { | ||||
| 		c.logger.Printf("%sclose the connection, name:%s, id:%s, addr:%s", ClientLogPrefix, c.name, c.clientId, c.conn.RemoteAddr().String()) | ||||
| 	} | ||||
| 	if c.stream != nil { | ||||
| 		err = c.stream.Close() | ||||
| 		if err != nil { | ||||
| 			c.logger.Errorf("%s stream.Close(): %v", ClientLogPrefix, err) | ||||
| 		} | ||||
| 	} | ||||
| 	if c.conn != nil { | ||||
| 		err = c.conn.CloseWithError(0, "client-ask-to-close-this-connection") | ||||
| 		if err != nil { | ||||
| 			c.logger.Errorf("%s connection.Close(): %v", ClientLogPrefix, err) | ||||
| 		} | ||||
| 	} | ||||
| 	// close channel
 | ||||
| 	c.mu.Lock() | ||||
| 	if !c.closed { | ||||
| 		close(c.errChan) | ||||
| 		close(c.closeChan) | ||||
| 		c.closed = true | ||||
| 	} | ||||
| 	c.mu.Unlock() | ||||
| func (c *Client) Close() error { | ||||
| 	// break runBackgroud() for-loop.
 | ||||
| 	c.ctxCancel() | ||||
| 
 | ||||
| 	return err | ||||
| 	// non-blocking to return Wait().
 | ||||
| 	select { | ||||
| 	case c.shutdownChan <- nil: | ||||
| 	default: | ||||
| 	} | ||||
| 
 | ||||
| 	return nil | ||||
| } | ||||
| 
 | ||||
| // WriteFrame writes a frame to the connection, gurantee threadsafe.
 | ||||
| func (c *Client) WriteFrame(frm frame.Frame) error { | ||||
| 	// write on QUIC stream
 | ||||
| 	if c.stream == nil { | ||||
| 		return errors.New("stream is nil") | ||||
| 	} | ||||
| 	if c.state == ConnStateDisconnected || c.state == ConnStateRejected { | ||||
| 		return fmt.Errorf("client connection state is %s", c.state) | ||||
| 	} | ||||
| 	c.logger.Debugf("%s[%s](%s)@%s WriteFrame() will write frame: %s", ClientLogPrefix, c.name, c.localAddr, c.state, frm.Type()) | ||||
| 
 | ||||
| 	data := frm.Encode() | ||||
| 	// emit raw bytes of Frame
 | ||||
| 	c.mu.Lock() | ||||
| 	n, err := c.stream.Write(data) | ||||
| 	c.mu.Unlock() | ||||
| 	c.logger.Debugf("%sWriteFrame() wrote n=%d, data=%# x", ClientLogPrefix, n, frame.Shortly(data)) | ||||
| func (c *Client) openControlStream(ctx context.Context, addr string) (ClientControlStream, error) { | ||||
| 	controlStream, err := OpenClientControlStream(ctx, addr, c.opts.tlsConfig, c.opts.quicConfig) | ||||
| 	if err != nil { | ||||
| 		c.setState(ConnStateDisconnected) | ||||
| 		// c.state = ConnStateDisconnected
 | ||||
| 		if e, ok := err.(*quic.IdleTimeoutError); ok { | ||||
| 			c.logger.Errorf("%sWriteFrame() connection timeout, err=%v", ClientLogPrefix, e) | ||||
| 		} else { | ||||
| 			c.logger.Errorf("%sWriteFrame() wrote error=%v", ClientLogPrefix, err) | ||||
| 			return err | ||||
| 		return nil, err | ||||
| 	} | ||||
| 
 | ||||
| 	if err := controlStream.Authenticate(c.opts.credential); err != nil { | ||||
| 		return nil, err | ||||
| 	} | ||||
| 
 | ||||
| 	return controlStream, nil | ||||
| } | ||||
| 
 | ||||
| func (c *Client) openStream(ctx context.Context, addr string) (ClientControlStream, DataStream, error) { | ||||
| 	controlStream, err := c.openControlStream(ctx, addr) | ||||
| 	if err != nil { | ||||
| 		return nil, nil, err | ||||
| 	} | ||||
| 	dataStream, err := c.openDataStream(ctx, controlStream) | ||||
| 	if err != nil { | ||||
| 		return nil, nil, err | ||||
| 	} | ||||
| 
 | ||||
| 	return controlStream, dataStream, nil | ||||
| } | ||||
| 
 | ||||
| func (c *Client) openDataStream(ctx context.Context, controlStream ClientControlStream) (DataStream, error) { | ||||
| 	handshakeFrame := frame.NewHandshakeFrame( | ||||
| 		c.name, | ||||
| 		c.clientId, | ||||
| 		byte(c.streamType), | ||||
| 		c.opts.observeDataTags, | ||||
| 		[]byte{}, // The stream does not require metadata currently.
 | ||||
| 	) | ||||
| 	dataStream, err := controlStream.OpenStream(ctx, handshakeFrame) | ||||
| 	if err != nil { | ||||
| 		return nil, err | ||||
| 	} | ||||
| 
 | ||||
| 	return dataStream, nil | ||||
| } | ||||
| 
 | ||||
| func (c *Client) processStream(controlStream ClientControlStream, dataStream DataStream, reconnection chan<- struct{}) { | ||||
| 	defer func() { | ||||
| 		_ = dataStream.Close() | ||||
| 	}() | ||||
| 
 | ||||
| 	var ( | ||||
| 		controlStreamErrChan = c.receivingStreamClose(controlStream, dataStream) | ||||
| 		readFrameChan        = c.readFrame(dataStream) | ||||
| 	) | ||||
| 	for { | ||||
| 		select { | ||||
| 		case err := <-controlStreamErrChan: | ||||
| 			c.shutdownWithError(err) | ||||
| 		case result := <-readFrameChan: | ||||
| 			if err := result.err; err != nil { | ||||
| 				c.errorfn(err) | ||||
| 				reconnection <- struct{}{} | ||||
| 				return | ||||
| 			} | ||||
| 			c.handleFrame(result.frame) | ||||
| 		case f := <-c.writeFrameChan: | ||||
| 			err := dataStream.WriteFrame(f) | ||||
| 			// restore DataFrame.
 | ||||
| 			if d, ok := f.(*frame.DataFrame); ok { | ||||
| 				d.Clean() | ||||
| 			} | ||||
| 			if err != nil { | ||||
| 				c.errorfn(err) | ||||
| 				reconnection <- struct{}{} | ||||
| 				return | ||||
| 			} | ||||
| 		} | ||||
| 	} | ||||
| 	if n != len(data) { | ||||
| 		err := errors.New("[client] hpds Client .Write() wrote error") | ||||
| 		c.logger.Errorf("%s error:%v", ClientLogPrefix, err) | ||||
| 		return err | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // Wait waits client error returning.
 | ||||
| func (c *Client) Wait() error { | ||||
| 	err := <-c.shutdownChan | ||||
| 	return err | ||||
| } | ||||
| 
 | ||||
| // update connection state
 | ||||
| func (c *Client) setState(state ConnState) { | ||||
| 	c.logger.Debugf("setState to:%s", state) | ||||
| 	c.mu.Lock() | ||||
| 	c.state = state | ||||
| 	c.mu.Unlock() | ||||
| func (c *Client) shutdownWithError(err error) { | ||||
| 	// non-blocking shutdown client.
 | ||||
| 	select { | ||||
| 	case c.shutdownChan <- err: | ||||
| 	default: | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // getState get connection state
 | ||||
| func (c *Client) getState() ConnState { | ||||
| 	c.mu.Lock() | ||||
| 	defer c.mu.Unlock() | ||||
| 	return c.state | ||||
| type readResult struct { | ||||
| 	frame frame.Frame | ||||
| 	err   error | ||||
| } | ||||
| 
 | ||||
| // update connection local addr
 | ||||
| func (c *Client) setLocalAddr(addr string) { | ||||
| 	c.mu.Lock() | ||||
| 	c.localAddr = addr | ||||
| 	c.mu.Unlock() | ||||
| func (c *Client) readFrame(dataStream DataStream) chan readResult { | ||||
| 	readChan := make(chan readResult) | ||||
| 	go func() { | ||||
| 		for { | ||||
| 			f, err := dataStream.ReadFrame() | ||||
| 			readChan <- readResult{f, err} | ||||
| 			if err != nil { | ||||
| 				return | ||||
| 			} | ||||
| 		} | ||||
| 	}() | ||||
| 
 | ||||
| 	return readChan | ||||
| } | ||||
| 
 | ||||
| func (c *Client) handleFrame(f frame.Frame) { | ||||
| 	switch ff := f.(type) { | ||||
| 	case *frame.DataFrame: | ||||
| 		if c.processor == nil { | ||||
| 			log.Warnf("client processor has not been set") | ||||
| 		} else { | ||||
| 			c.processor(ff) | ||||
| 		} | ||||
| 	case *frame.BackFlowFrame: | ||||
| 		if c.receiver == nil { | ||||
| 			log.Warnf("client receiver has not been set") | ||||
| 		} else { | ||||
| 			c.receiver(ff) | ||||
| 		} | ||||
| 	default: | ||||
| 		log.Warnf("client data stream receive unexcepted frame, frame_type: %v", f) | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| func (c *Client) receivingStreamClose(controlStream ControlStream, dataStream DataStream) chan error { | ||||
| 	closeStreamChan := make(chan error) | ||||
| 
 | ||||
| 	go func() { | ||||
| 		for { | ||||
| 			streamID, reason, err := controlStream.ReceiveStreamClose() | ||||
| 			if err != nil { | ||||
| 				closeStreamChan <- err | ||||
| 				return | ||||
| 			} | ||||
| 			if streamID == c.clientId { | ||||
| 				c.ctxCancel() | ||||
| 				_ = dataStream.Close() | ||||
| 				closeStreamChan <- errors.New(reason) | ||||
| 				_ = controlStream.CloseWithError(0, reason) | ||||
| 				return | ||||
| 			} | ||||
| 		} | ||||
| 	}() | ||||
| 
 | ||||
| 	return closeStreamChan | ||||
| } | ||||
| 
 | ||||
| // SetDataFrameObserver sets the data frame handler.
 | ||||
| func (c *Client) SetDataFrameObserver(fn func(*frame.DataFrame)) { | ||||
| 	c.processor = fn | ||||
| 	c.logger.Debugf("%sSetDataFrameObserver(%v)", ClientLogPrefix, c.processor) | ||||
| 	log.Debugf("SetDataFrameObserver") | ||||
| } | ||||
| 
 | ||||
| // SetBackFlowFrameObserver sets the backflow frame handler.
 | ||||
| func (c *Client) SetBackFlowFrameObserver(fn func(*frame.BackFlowFrame)) { | ||||
| 	c.receiver = fn | ||||
| 	c.logger.Debugf("%sSetBackFlowFrameObserver(%v)", ClientLogPrefix, c.receiver) | ||||
| } | ||||
| 
 | ||||
| // reconnect the connection between client and server.
 | ||||
| func (c *Client) reconnect(ctx context.Context, addr string) { | ||||
| 	t := time.NewTicker(1 * time.Second) | ||||
| 	defer t.Stop() | ||||
| 
 | ||||
| 	for { | ||||
| 		select { | ||||
| 		case <-ctx.Done(): | ||||
| 			c.logger.Debugf("%s[%s](%s) context.Done()", ClientLogPrefix, c.name, c.localAddr) | ||||
| 			return | ||||
| 		case <-c.closeChan: | ||||
| 			c.logger.Debugf("%s[%s](%s) close channel", ClientLogPrefix, c.name, c.localAddr) | ||||
| 			return | ||||
| 		case <-t.C: | ||||
| 			if c.getState() == ConnStateDisconnected { | ||||
| 				c.logger.Printf("%s[%s][%s](%s) is reconnecting to HPDS-MQ %s...", ClientLogPrefix, c.name, c.clientId, c.localAddr, addr) | ||||
| 				err := c.connect(ctx, addr) | ||||
| 				if err != nil { | ||||
| 					c.logger.Errorf("%s[%s][%s](%s) reconnect error:%v", ClientLogPrefix, c.name, c.clientId, c.localAddr, err) | ||||
| 				} | ||||
| 			} | ||||
| 		} | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| func (c *Client) init() { | ||||
| 	// // tracing
 | ||||
| 	// _, _, err := tracing.NewTracerProvider(c.name)
 | ||||
| 	// if err != nil {
 | ||||
| 	// 	logger.Errorf("tracing: %v", err)
 | ||||
| 	// }
 | ||||
| } | ||||
| 
 | ||||
| // ServerAddr returns the address of the server.
 | ||||
| func (c *Client) ServerAddr() string { | ||||
| 	return c.addr | ||||
| } | ||||
| 
 | ||||
| // initOptions init options defaults
 | ||||
| func (c *Client) initOptions() error { | ||||
| 	// logger
 | ||||
| 	if c.logger == nil { | ||||
| 		if c.opts.Logger != nil { | ||||
| 			c.logger = c.opts.Logger | ||||
| 		} else { | ||||
| 			c.logger = log.Default() | ||||
| 		} | ||||
| 	} | ||||
| 	// observe tag list
 | ||||
| 	if c.opts.ObserveDataTags == nil { | ||||
| 		c.opts.ObserveDataTags = make([]byte, 0) | ||||
| 	} | ||||
| 	// credential
 | ||||
| 	if c.opts.Credential == nil { | ||||
| 		c.opts.Credential = auth.NewCredential("") | ||||
| 	} | ||||
| 	// tls config
 | ||||
| 	if c.opts.TLSConfig == nil { | ||||
| 		tc, err := pkgtls.CreateClientTLSConfig() | ||||
| 		if err != nil { | ||||
| 			c.logger.Errorf("%sCreateClientTLSConfig: %v", ClientLogPrefix, err) | ||||
| 			return err | ||||
| 		} | ||||
| 		c.opts.TLSConfig = tc | ||||
| 	} | ||||
| 	// quic config
 | ||||
| 	if c.opts.QuicConfig == nil { | ||||
| 		c.opts.QuicConfig = &quic.Config{ | ||||
| 			Versions:                       []quic.VersionNumber{quic.Version1, quic.VersionDraft29}, | ||||
| 			MaxIdleTimeout:                 time.Second * 40, | ||||
| 			KeepAlivePeriod:                time.Second * 20, | ||||
| 			MaxIncomingStreams:             1000, | ||||
| 			MaxIncomingUniStreams:          1000, | ||||
| 			HandshakeIdleTimeout:           time.Second * 3, | ||||
| 			InitialStreamReceiveWindow:     1024 * 1024 * 2, | ||||
| 			InitialConnectionReceiveWindow: 1024 * 1024 * 2, | ||||
| 			TokenStore:                     quic.NewLRUTokenStore(10, 5), | ||||
| 			DisablePathMTUDiscovery:        true, | ||||
| 		} | ||||
| 	} | ||||
| 	// credential
 | ||||
| 	if c.opts.Credential != nil { | ||||
| 		c.logger.Printf("%suse credential: [%s]", ClientLogPrefix, c.opts.Credential.Name()) | ||||
| 	} | ||||
| 
 | ||||
| 	return nil | ||||
| 	log.Debugf("SetBackFlowFrameObserver") | ||||
| } | ||||
| 
 | ||||
| // SetObserveDataTags set the data tag list that will be observed.
 | ||||
| // Deprecated: use hpds.WithObserveDataTags instead
 | ||||
| func (c *Client) SetObserveDataTags(tag ...byte) { | ||||
| 	c.opts.ObserveDataTags = append(c.opts.ObserveDataTags, tag...) | ||||
| } | ||||
| 
 | ||||
| // Logger get client's logger instance, you can customize this using `hpds.WithLogger`
 | ||||
| func (c *Client) Logger() log.Logger { | ||||
| 	return c.logger | ||||
| // Deprecated: use yomo.WithObserveDataTags instead
 | ||||
| func (c *Client) SetObserveDataTags(tag ...frame.Tag) { | ||||
| 	c.opts.observeDataTags = append(c.opts.observeDataTags, tag...) | ||||
| } | ||||
| 
 | ||||
| // SetErrorHandler set error handler
 | ||||
| func (c *Client) SetErrorHandler(fn func(err error)) { | ||||
| 	if fn != nil { | ||||
| 		go func() { | ||||
| 			err := <-c.errChan | ||||
| 			if err != nil { | ||||
| 				fn(err) | ||||
| 			} | ||||
| 		}() | ||||
| 	} | ||||
| 	c.errorfn = fn | ||||
| } | ||||
| 
 | ||||
| // ClientId return the client ID
 | ||||
|  |  | |||
|  | @ -2,52 +2,85 @@ package network | |||
| 
 | ||||
| import ( | ||||
| 	"crypto/tls" | ||||
| 	"github.com/lucas-clemente/quic-go" | ||||
| 	"git.hpds.cc/Component/network/frame" | ||||
| 	"github.com/quic-go/quic-go" | ||||
| 	"time" | ||||
| 
 | ||||
| 	"git.hpds.cc/Component/network/auth" | ||||
| 	"git.hpds.cc/Component/network/log" | ||||
| 	pkgtls "git.hpds.cc/Component/network/tls" | ||||
| ) | ||||
| 
 | ||||
| // ClientOptions are the options for HPDS client.
 | ||||
| type ClientOptions struct { | ||||
| 	ObserveDataTags []byte | ||||
| 	QuicConfig      *quic.Config | ||||
| 	TLSConfig       *tls.Config | ||||
| 	Credential      *auth.Credential | ||||
| 	Logger          log.Logger | ||||
| // clientOptions are the options for YoMo client.
 | ||||
| type clientOptions struct { | ||||
| 	observeDataTags []frame.Tag | ||||
| 	quicConfig      *quic.Config | ||||
| 	tlsConfig       *tls.Config | ||||
| 	credential      *auth.Credential | ||||
| } | ||||
| 
 | ||||
| func defaultClientOption() *clientOptions { | ||||
| 	defaultQuicConfig := &quic.Config{ | ||||
| 		Versions:                       []quic.VersionNumber{quic.VersionDraft29, quic.Version1, quic.Version2}, | ||||
| 		MaxIdleTimeout:                 time.Second * 40, | ||||
| 		KeepAlivePeriod:                time.Second * 20, | ||||
| 		MaxIncomingStreams:             1000, | ||||
| 		MaxIncomingUniStreams:          1000, | ||||
| 		HandshakeIdleTimeout:           time.Second * 3, | ||||
| 		InitialStreamReceiveWindow:     1024 * 1024 * 2, | ||||
| 		InitialConnectionReceiveWindow: 1024 * 1024 * 2, | ||||
| 		TokenStore:                     quic.NewLRUTokenStore(10, 5), | ||||
| 	} | ||||
| 
 | ||||
| 	opts := &clientOptions{ | ||||
| 		observeDataTags: make([]frame.Tag, 0), | ||||
| 		quicConfig:      defaultQuicConfig, | ||||
| 		tlsConfig:       pkgtls.MustCreateClientTLSConfig(), | ||||
| 		credential:      auth.NewCredential(""), | ||||
| 	} | ||||
| 
 | ||||
| 	return opts | ||||
| } | ||||
| 
 | ||||
| // WithObserveDataTags sets data tag list for the client.
 | ||||
| func WithObserveDataTags(tags ...byte) ClientOption { | ||||
| 	return func(o *ClientOptions) { | ||||
| 		o.ObserveDataTags = tags | ||||
| func WithObserveDataTags(tags ...frame.Tag) ClientOption { | ||||
| 	return func(o *clientOptions) { | ||||
| 		o.observeDataTags = tags | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // WithCredential sets the client credential method (used by client).
 | ||||
| func WithCredential(payload string) ClientOption { | ||||
| 	return func(o *ClientOptions) { | ||||
| 		o.Credential = auth.NewCredential(payload) | ||||
| 	return func(o *clientOptions) { | ||||
| 		o.credential = auth.NewCredential(payload) | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // WithClientTLSConfig sets tls config for the client.
 | ||||
| func WithClientTLSConfig(tc *tls.Config) ClientOption { | ||||
| 	return func(o *ClientOptions) { | ||||
| 		o.TLSConfig = tc | ||||
| 	return func(o *clientOptions) { | ||||
| 		if tc != nil { | ||||
| 			o.tlsConfig = tc | ||||
| 		} | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // WithClientQuicConfig sets quic config for the client.
 | ||||
| func WithClientQuicConfig(qc *quic.Config) ClientOption { | ||||
| 	return func(o *ClientOptions) { | ||||
| 		o.QuicConfig = qc | ||||
| 	return func(o *clientOptions) { | ||||
| 		o.quicConfig = qc | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // WithLogger sets logger for the client.
 | ||||
| func WithLogger(logger log.Logger) ClientOption { | ||||
| 	return func(o *ClientOptions) { | ||||
| 		o.Logger = logger | ||||
| 	} | ||||
| } | ||||
| // ClientType is equal to StreamType.
 | ||||
| type ClientType = StreamType | ||||
| 
 | ||||
| const ( | ||||
| 	// ClientTypeSource is equal to StreamTypeSource.
 | ||||
| 	ClientTypeSource ClientType = StreamTypeSource | ||||
| 
 | ||||
| 	// ClientTypeUpstreamEmitter is equal to StreamTypeUpstreamEmitter.
 | ||||
| 	ClientTypeUpstreamEmitter ClientType = StreamTypeUpstreamEmitter | ||||
| 
 | ||||
| 	// ClientTypeStreamFunction is equal to StreamTypeStreamFunction.
 | ||||
| 	ClientTypeStreamFunction ClientType = StreamTypeStreamFunction | ||||
| ) | ||||
|  |  | |||
|  | @ -1,28 +0,0 @@ | |||
| package network | ||||
| 
 | ||||
| const ( | ||||
| 	// ClientTypeNone is connection type "None".
 | ||||
| 	ClientTypeNone ClientType = 0xFF | ||||
| 	// ClientTypeProtocolGateway is connection type "Protocol Gateway".
 | ||||
| 	ClientTypeProtocolGateway ClientType = 0x5F | ||||
| 	// ClientTypeMessageQueue is connection type "Message Queue".
 | ||||
| 	ClientTypeMessageQueue ClientType = 0x5E | ||||
| 	// ClientTypeStreamFunction is connection type "Stream Function".
 | ||||
| 	ClientTypeStreamFunction ClientType = 0x5D | ||||
| ) | ||||
| 
 | ||||
| // ClientType represents the connection type.
 | ||||
| type ClientType byte | ||||
| 
 | ||||
| func (c ClientType) String() string { | ||||
| 	switch c { | ||||
| 	case ClientTypeProtocolGateway: | ||||
| 		return "Source" | ||||
| 	case ClientTypeMessageQueue: | ||||
| 		return "Message Queue" | ||||
| 	case ClientTypeStreamFunction: | ||||
| 		return "Stream Function" | ||||
| 	default: | ||||
| 		return "None" | ||||
| 	} | ||||
| } | ||||
|  | @ -3,6 +3,7 @@ package network | |||
| import ( | ||||
| 	"git.hpds.cc/Component/network/frame" | ||||
| 	"git.hpds.cc/Component/network/log" | ||||
| 	"git.hpds.cc/Component/network/metadata" | ||||
| 	"io" | ||||
| 	"sync" | ||||
| ) | ||||
|  | @ -18,7 +19,7 @@ type Connection interface { | |||
| 	// ClientType returns the type of the client (Protocol Gateway | Message Queue | Stream Function)
 | ||||
| 	ClientType() ClientType | ||||
| 	// Metadata returns the extra info of the application
 | ||||
| 	Metadata() Metadata | ||||
| 	Metadata() metadata.Metadata | ||||
| 	// Write should goroutine-safely send coder frames to peer side
 | ||||
| 	Write(f frame.Frame) error | ||||
| 	// ObserveDataTags observed data tags
 | ||||
|  | @ -28,7 +29,7 @@ type Connection interface { | |||
| type connection struct { | ||||
| 	name       string | ||||
| 	clientType ClientType | ||||
| 	metadata   Metadata | ||||
| 	metadata   metadata.Metadata | ||||
| 	stream     io.ReadWriteCloser | ||||
| 	clientId   string | ||||
| 	observed   []byte // observed data tags
 | ||||
|  | @ -36,7 +37,7 @@ type connection struct { | |||
| 	closed     bool | ||||
| } | ||||
| 
 | ||||
| func newConnection(name string, clientId string, clientType ClientType, metadata Metadata, | ||||
| func newConnection(name string, clientId string, clientType ClientType, metadata metadata.Metadata, | ||||
| 	stream io.ReadWriteCloser, observed []byte) Connection { | ||||
| 	return &connection{ | ||||
| 		name:       name, | ||||
|  | @ -68,7 +69,7 @@ func (c *connection) ClientType() ClientType { | |||
| } | ||||
| 
 | ||||
| // Metadata returns the extra info of the application
 | ||||
| func (c *connection) Metadata() Metadata { | ||||
| func (c *connection) Metadata() metadata.Metadata { | ||||
| 	return c.metadata | ||||
| } | ||||
| 
 | ||||
|  | @ -77,7 +78,7 @@ func (c *connection) Write(f frame.Frame) error { | |||
| 	c.mu.Lock() | ||||
| 	defer c.mu.Unlock() | ||||
| 	if c.closed { | ||||
| 		log.Warnf("%sclient stream is closed: %s", ServerLogPrefix, c.clientId) | ||||
| 		log.Warnf("client stream is closed: %s", c.clientId) | ||||
| 		return nil | ||||
| 	} | ||||
| 	_, err := c.stream.Write(f.Encode()) | ||||
|  |  | |||
							
								
								
									
										162
									
								
								connector.go
								
								
								
								
							
							
						
						
									
										162
									
								
								connector.go
								
								
								
								
							|  | @ -1,87 +1,135 @@ | |||
| package network | ||||
| 
 | ||||
| import ( | ||||
| 	"context" | ||||
| 	"errors" | ||||
| 	"git.hpds.cc/Component/network/frame" | ||||
| 	"git.hpds.cc/Component/network/log" | ||||
| 	"sync" | ||||
| ) | ||||
| 
 | ||||
| var _ Connector = &connector{} | ||||
| // ErrConnectorClosed will be returned if the connector has been closed.
 | ||||
| var ErrConnectorClosed = errors.New("hpdsMq: connector closed") | ||||
| 
 | ||||
| // Connector is an interface to manage the connections and applications.
 | ||||
| type Connector interface { | ||||
| 	// Add a connection.
 | ||||
| 	Add(connId string, conn Connection) | ||||
| 	// Remove a connection.
 | ||||
| 	Remove(connId string) | ||||
| 	// Get a connection by connection id.
 | ||||
| 	Get(connId string) Connection | ||||
| 	// GetSnapshot gets the snapshot of all connections.
 | ||||
| 	GetSnapshot() map[string]string | ||||
| 	// GetProtocolGatewayConnections gets the connections by Protocol Gateway observe tags.
 | ||||
| 	GetProtocolGatewayConnections(sourceId string, tags byte) []Connection | ||||
| 	// Clean the connector.
 | ||||
| 	Clean() | ||||
| // The Connector class manages data streams and provides a centralized way to get and set streams.
 | ||||
| type Connector struct { | ||||
| 	// ctx and ctxCancel manage the lifescyle of Connector.
 | ||||
| 	ctx       context.Context | ||||
| 	ctxCancel context.CancelFunc | ||||
| 
 | ||||
| 	streams sync.Map | ||||
| } | ||||
| 
 | ||||
| type connector struct { | ||||
| 	conns sync.Map | ||||
| } | ||||
| // NewConnector returns an initial Connector.
 | ||||
| func NewConnector(ctx context.Context) *Connector { | ||||
| 	ctx, ctxCancel := context.WithCancel(ctx) | ||||
| 
 | ||||
| func newConnector() Connector { | ||||
| 	return &connector{conns: sync.Map{}} | ||||
| } | ||||
| 
 | ||||
| // Add a connection.
 | ||||
| func (c *connector) Add(connID string, conn Connection) { | ||||
| 	log.Debugf("%sconnector add: connId=%s", ServerLogPrefix, connID) | ||||
| 	c.conns.Store(connID, conn) | ||||
| } | ||||
| 
 | ||||
| // Remove a connection.
 | ||||
| func (c *connector) Remove(connID string) { | ||||
| 	log.Debugf("%sconnector remove: connId=%s", ServerLogPrefix, connID) | ||||
| 	c.conns.Delete(connID) | ||||
| } | ||||
| 
 | ||||
| // Get a connection by connection id.
 | ||||
| func (c *connector) Get(connID string) Connection { | ||||
| 	log.Debugf("%sconnector get connection: connId=%s", ServerLogPrefix, connID) | ||||
| 	if conn, ok := c.conns.Load(connID); ok { | ||||
| 		return conn.(Connection) | ||||
| 	return &Connector{ | ||||
| 		ctx:       ctx, | ||||
| 		ctxCancel: ctxCancel, | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // Add adds DataStream to Connector,
 | ||||
| // If the streamID is the same twice, the new stream will replace the old stream.
 | ||||
| func (c *Connector) Add(streamId string, stream DataStream) error { | ||||
| 	select { | ||||
| 	case <-c.ctx.Done(): | ||||
| 		return ErrConnectorClosed | ||||
| 	default: | ||||
| 	} | ||||
| 
 | ||||
| 	c.streams.Store(streamId, stream) | ||||
| 
 | ||||
| 	log.Debugf("Connector add stream, stream_id: %s", streamId) | ||||
| 	return nil | ||||
| } | ||||
| 
 | ||||
| // GetProtocolGatewayConnections gets the Protocol Gateway connection by tag.
 | ||||
| func (c *connector) GetProtocolGatewayConnections(sourceId string, tag byte) []Connection { | ||||
| 	conns := make([]Connection, 0) | ||||
| // Remove removes the DataStream with the specified streamID.
 | ||||
| // If the Connector does not have a stream with the given streamID, no action is taken.
 | ||||
| func (c *Connector) Remove(streamId string) error { | ||||
| 	select { | ||||
| 	case <-c.ctx.Done(): | ||||
| 		return ErrConnectorClosed | ||||
| 	default: | ||||
| 	} | ||||
| 
 | ||||
| 	c.conns.Range(func(key interface{}, val interface{}) bool { | ||||
| 		conn := val.(Connection) | ||||
| 		for _, v := range conn.ObserveDataTags() { | ||||
| 			if v == tag && conn.ClientType() == ClientTypeProtocolGateway && conn.ClientId() == sourceId { | ||||
| 				conns = append(conns, conn) | ||||
| 	c.streams.Delete(streamId) | ||||
| 	log.Debugf("Connector remove stream, stream_id: %s", streamId) | ||||
| 
 | ||||
| 	return nil | ||||
| } | ||||
| 
 | ||||
| // Get retrieves the DataStream with the specified streamID.
 | ||||
| // If the Connector does not have a stream with the given streamID, return nil and false.
 | ||||
| func (c *Connector) Get(streamId string) (DataStream, bool, error) { | ||||
| 	select { | ||||
| 	case <-c.ctx.Done(): | ||||
| 		return nil, false, ErrConnectorClosed | ||||
| 	default: | ||||
| 	} | ||||
| 
 | ||||
| 	v, ok := c.streams.Load(streamId) | ||||
| 	if !ok { | ||||
| 		return nil, false, nil | ||||
| 	} | ||||
| 
 | ||||
| 	stream := v.(DataStream) | ||||
| 
 | ||||
| 	return stream, true, nil | ||||
| } | ||||
| 
 | ||||
| // GetSourceConns gets the streams with the specified source observe tag.
 | ||||
| func (c *Connector) GetSourceConns(sourceId string, tag frame.Tag) ([]DataStream, error) { | ||||
| 	select { | ||||
| 	case <-c.ctx.Done(): | ||||
| 		return []DataStream{}, ErrConnectorClosed | ||||
| 	default: | ||||
| 	} | ||||
| 
 | ||||
| 	streams := make([]DataStream, 0) | ||||
| 
 | ||||
| 	c.streams.Range(func(key interface{}, val interface{}) bool { | ||||
| 		stream := val.(DataStream) | ||||
| 
 | ||||
| 		for _, v := range stream.ObserveDataTags() { | ||||
| 			if v == tag && | ||||
| 				stream.StreamType() == StreamTypeSource && | ||||
| 				stream.ID() == sourceId { | ||||
| 				streams = append(streams, stream) | ||||
| 			} | ||||
| 		} | ||||
| 		return true | ||||
| 	}) | ||||
| 
 | ||||
| 	return conns | ||||
| 	return streams, nil | ||||
| } | ||||
| 
 | ||||
| // GetSnapshot gets the snapshot of all connections.
 | ||||
| func (c *connector) GetSnapshot() map[string]string { | ||||
| // GetSnapshot returnsa snapshot of all streams.
 | ||||
| // The resulting map uses streamID as the key and stream name as the value.
 | ||||
| // This function is typically used to monitor the status of the Connector.
 | ||||
| func (c *Connector) GetSnapshot() map[string]string { | ||||
| 	result := make(map[string]string) | ||||
| 	c.conns.Range(func(key interface{}, val interface{}) bool { | ||||
| 		connID := key.(string) | ||||
| 		conn := val.(Connection) | ||||
| 		result[connID] = conn.Name() | ||||
| 
 | ||||
| 	c.streams.Range(func(key interface{}, val interface{}) bool { | ||||
| 		var ( | ||||
| 			streamID = key.(string) | ||||
| 			stream   = val.(DataStream) | ||||
| 		) | ||||
| 		result[streamID] = stream.Name() | ||||
| 		return true | ||||
| 	}) | ||||
| 
 | ||||
| 	return result | ||||
| } | ||||
| 
 | ||||
| // Clean the connector.
 | ||||
| func (c *connector) Clean() { | ||||
| 	c.conns = sync.Map{} | ||||
| // Close cleans all stream of Connector and reset Connector to closed status.
 | ||||
| // The Connector can't be use after close.
 | ||||
| func (c *Connector) Close() { | ||||
| 	c.ctxCancel() | ||||
| 
 | ||||
| 	c.streams.Range(func(key, value any) bool { | ||||
| 		c.streams.Delete(key) | ||||
| 		return true | ||||
| 	}) | ||||
| } | ||||
|  |  | |||
							
								
								
									
										32
									
								
								constant.go
								
								
								
								
							
							
						
						
									
										32
									
								
								constant.go
								
								
								
								
							|  | @ -2,37 +2,19 @@ package network | |||
| 
 | ||||
| import ( | ||||
| 	"math/rand" | ||||
| 	"sync" | ||||
| 	"time" | ||||
| ) | ||||
| 
 | ||||
| var ( | ||||
| 	once sync.Once | ||||
| ) | ||||
| // ConnState represents the state of the connection.
 | ||||
| type ConnState = string | ||||
| 
 | ||||
| // ConnState represents the state of a connection.
 | ||||
| const ( | ||||
| 	ConnStateReady          ConnState = "Ready" | ||||
| 	ConnStateDisconnected   ConnState = "Disconnected" | ||||
| 	ConnStateConnecting     ConnState = "Connecting" | ||||
| 	ConnStateConnected      ConnState = "Connected" | ||||
| 	ConnStateAuthenticating ConnState = "Authenticating" | ||||
| 	ConnStateAccepted       ConnState = "Accepted" | ||||
| 	ConnStateRejected       ConnState = "Rejected" | ||||
| 	ConnStatePing           ConnState = "Ping" | ||||
| 	ConnStatePong           ConnState = "Pong" | ||||
| 	ConnStateTransportData  ConnState = "TransportData" | ||||
| 	ConnStateAborted        ConnState = "Aborted" | ||||
| 	ConnStateClosed         ConnState = "Closed" // close connection by server
 | ||||
| 	ConnStateGoaway         ConnState = "Goaway" | ||||
| 	ConnStateBackFlow       ConnState = "BackFlow" | ||||
| ) | ||||
| 
 | ||||
| // Prefix is the prefix for logger.
 | ||||
| const ( | ||||
| 	ClientLogPrefix     = "\033[36m[network:client]\033[0m " | ||||
| 	ServerLogPrefix     = "\033[32m[network:server]\033[0m " | ||||
| 	ParseFrameLogPrefix = "\033[36m[network:stream_parser]\033[0m " | ||||
| 	ConnStateReady        ConnState = "Ready" | ||||
| 	ConnStateDisconnected ConnState = "Disconnected" | ||||
| 	ConnStateConnecting   ConnState = "Connecting" | ||||
| 	ConnStateConnected    ConnState = "Connected" | ||||
| 	ConnStateClosed       ConnState = "Closed" | ||||
| ) | ||||
| 
 | ||||
| func init() { | ||||
|  |  | |||
							
								
								
									
										246
									
								
								context.go
								
								
								
								
							
							
						
						
									
										246
									
								
								context.go
								
								
								
								
							|  | @ -1,191 +1,137 @@ | |||
| package network | ||||
| 
 | ||||
| import ( | ||||
| 	"context" | ||||
| 	"git.hpds.cc/Component/network/hpds_err" | ||||
| 	"git.hpds.cc/Component/network/log" | ||||
| 	"io" | ||||
| 	"sync" | ||||
| 	"time" | ||||
| 
 | ||||
| 	"git.hpds.cc/Component/network/frame" | ||||
| 	"github.com/lucas-clemente/quic-go" | ||||
| ) | ||||
| 
 | ||||
| var ctxPool sync.Pool | ||||
| 
 | ||||
| // Context for Network Server.
 | ||||
| type Context struct { | ||||
| 	// Conn is the connection of client.
 | ||||
| 	Conn   quic.Connection | ||||
| 	connId string | ||||
| 	// Stream is the long-lived connection between client and server.
 | ||||
| 	Stream io.ReadWriteCloser | ||||
| 	// DataStream is the stream used for reading and writing frames.
 | ||||
| 	DataStream DataStream | ||||
| 
 | ||||
| 	// Frame receives from client.
 | ||||
| 	Frame frame.Frame | ||||
| 	// Keys store the key/value pairs in context.
 | ||||
| 	Keys map[string]interface{} | ||||
| 
 | ||||
| 	// mu is used to protect Keys from concurrent read and write operations.
 | ||||
| 	mu sync.RWMutex | ||||
| 	// Keys stores the key/value pairs in context, It is Lazy initialized.
 | ||||
| 	Keys map[string]any | ||||
| } | ||||
| 
 | ||||
| func newContext(conn quic.Connection, stream quic.Stream) *Context { | ||||
| 	return &Context{ | ||||
| 		Conn:   conn, | ||||
| 		connId: conn.RemoteAddr().String(), | ||||
| 		Stream: stream, | ||||
| 		// keys:    make(map[string]interface{}),
 | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // WithFrame sets a frame to context.
 | ||||
| func (c *Context) WithFrame(f frame.Frame) *Context { | ||||
| 	c.Frame = f | ||||
| 	return c | ||||
| } | ||||
| 
 | ||||
| // Clean the context.
 | ||||
| func (c *Context) Clean() { | ||||
| 	log.Debugf("%sconn[%s] context clean", ServerLogPrefix, c.connId) | ||||
| 	c.Stream = nil | ||||
| 	c.Frame = nil | ||||
| 	c.Keys = nil | ||||
| 	c.Conn = nil | ||||
| } | ||||
| 
 | ||||
| // CloseWithError closes the stream and cleans the context.
 | ||||
| func (c *Context) CloseWithError(code hpds_err.ErrorCode, msg string) { | ||||
| 	log.Debugf("%sconn[%s] context close, errCode=%#x, msg=%s", ServerLogPrefix, c.connId, code, msg) | ||||
| 	if c.Stream != nil { | ||||
| 		_ = c.Stream.Close() | ||||
| 	} | ||||
| 	if c.Conn != nil { | ||||
| 		_ = c.Conn.CloseWithError(quic.ApplicationErrorCode(code), msg) | ||||
| 	} | ||||
| 	c.Clean() | ||||
| } | ||||
| 
 | ||||
| // ConnId get quic connection id
 | ||||
| func (c *Context) ConnId() string { | ||||
| 	return c.connId | ||||
| } | ||||
| 
 | ||||
| // Set a key/value pair to context.
 | ||||
| func (c *Context) Set(key string, value interface{}) { | ||||
| // Set is used to store a new key/value pair exclusively for this context.
 | ||||
| // It also lazy initializes c.Keys if it was not used previously.
 | ||||
| func (c *Context) Set(key string, value any) { | ||||
| 	c.mu.Lock() | ||||
| 	defer c.mu.Unlock() | ||||
| 
 | ||||
| 	if c.Keys == nil { | ||||
| 		c.Keys = make(map[string]interface{}) | ||||
| 		c.Keys = make(map[string]any) | ||||
| 	} | ||||
| 
 | ||||
| 	c.Keys[key] = value | ||||
| 	c.mu.Unlock() | ||||
| } | ||||
| 
 | ||||
| // Get the value by a specified key.
 | ||||
| func (c *Context) Get(key string) (value interface{}, exists bool) { | ||||
| // Get returns the value for the given key, ie: (value, true).
 | ||||
| // If the value does not exist it returns (nil, false)
 | ||||
| func (c *Context) Get(key string) (any, bool) { | ||||
| 	c.mu.RLock() | ||||
| 	value, exists = c.Keys[key] | ||||
| 	c.mu.RUnlock() | ||||
| 	defer c.mu.RUnlock() | ||||
| 
 | ||||
| 	value, ok := c.Keys[key] | ||||
| 	return value, ok | ||||
| } | ||||
| 
 | ||||
| var _ context.Context = &Context{} | ||||
| 
 | ||||
| // Done returns nil (chan which will wait forever) when c.Stream.Context() has no Context.
 | ||||
| func (c *Context) Done() <-chan struct{} { return c.DataStream.Context().Done() } | ||||
| 
 | ||||
| // Deadline returns that there is no deadline (ok==false) when c.Stream has no Context.
 | ||||
| func (c *Context) Deadline() (deadline time.Time, ok bool) { return c.DataStream.Context().Deadline() } | ||||
| 
 | ||||
| // Err returns nil when c.Request has no Context.
 | ||||
| func (c *Context) Err() error { return c.DataStream.Context().Err() } | ||||
| 
 | ||||
| // Value returns the value associated with this context for key, or nil
 | ||||
| // if no value is associated with key. Successive calls to Value with
 | ||||
| // the same key returns the same result.
 | ||||
| func (c *Context) Value(key any) any { | ||||
| 	if keyAsString, ok := key.(string); ok { | ||||
| 		if val, exists := c.Keys[keyAsString]; exists { | ||||
| 			return val | ||||
| 		} | ||||
| 	} | ||||
| 	// There always returns nil, because quic.Stream.Context is not be allowed modify.
 | ||||
| 	return c.DataStream.Context().Value(key) | ||||
| } | ||||
| 
 | ||||
| // newContext returns a yomo context,
 | ||||
| // The context implements standard library `context.Context` interface,
 | ||||
| // The lifecycle of Context is equal to stream's that be passed in.
 | ||||
| func newContext(dataStream DataStream) (c *Context) { | ||||
| 	v := ctxPool.Get() | ||||
| 	if v == nil { | ||||
| 		c = new(Context) | ||||
| 	} else { | ||||
| 		c = v.(*Context) | ||||
| 	} | ||||
| 
 | ||||
| 	log.Infof("stream_id: %s; stream_name: %s; stream_type: %s;", dataStream.ID(), | ||||
| 		dataStream.Name(), dataStream.StreamType().String(), | ||||
| 	) | ||||
| 
 | ||||
| 	c.DataStream = dataStream | ||||
| 	return | ||||
| } | ||||
| 
 | ||||
| // GetString gets a string value by a specified key.
 | ||||
| func (c *Context) GetString(key string) (s string) { | ||||
| 	if val, ok := c.Get(key); ok && val != nil { | ||||
| 		s, _ = val.(string) | ||||
| 	} | ||||
| 	return | ||||
| // WithFrame sets a frame to context.
 | ||||
| //
 | ||||
| // TODO: delete frame from context due to different lifecycle between stream and stream.
 | ||||
| func (c *Context) WithFrame(f frame.Frame) { | ||||
| 	c.Frame = f | ||||
| } | ||||
| 
 | ||||
| // GetBool gets a bool value by a specified key.
 | ||||
| func (c *Context) GetBool(key string) (b bool) { | ||||
| 	if val, ok := c.Get(key); ok && val != nil { | ||||
| 		b, _ = val.(bool) | ||||
| // CloseWithError close dataStream in se error,
 | ||||
| // It tells controlStream which dataStream should be closed and close dataStream with
 | ||||
| // returning error message to client side stream.
 | ||||
| //
 | ||||
| // TODO: ycode is not be transmitted.
 | ||||
| func (c *Context) CloseWithError(hCode hpds_err.ErrorCode, errString string) { | ||||
| 	log.Warnf("Stream Close With error", "err_code", hCode.String(), "error", errString) | ||||
| 
 | ||||
| 	err := c.DataStream.CloseWithError(errString) | ||||
| 	if err == nil { | ||||
| 		return | ||||
| 	} | ||||
| 	return | ||||
| 	log.Errorf("Close DataStream error", err) | ||||
| } | ||||
| 
 | ||||
| // GetInt gets an int value by a specified key.
 | ||||
| func (c *Context) GetInt(key string) (i int) { | ||||
| 	if val, ok := c.Get(key); ok && val != nil { | ||||
| 		i, _ = val.(int) | ||||
| 	} | ||||
| 	return | ||||
| // Clean cleans the Context,
 | ||||
| // Context is not available after called Clean,
 | ||||
| //
 | ||||
| // Warining: do not use any Context api after Clean, It maybe cause an error.
 | ||||
| func (c *Context) Clean() { | ||||
| 	c.reset() | ||||
| 	ctxPool.Put(c) | ||||
| } | ||||
| 
 | ||||
| // GetInt64 gets an int64 value by a specified key.
 | ||||
| func (c *Context) GetInt64(key string) (i64 int64) { | ||||
| 	if val, ok := c.Get(key); ok && val != nil { | ||||
| 		i64, _ = val.(int64) | ||||
| func (c *Context) reset() { | ||||
| 	c.DataStream = nil | ||||
| 	c.Frame = nil | ||||
| 	for k := range c.Keys { | ||||
| 		delete(c.Keys, k) | ||||
| 	} | ||||
| 	return | ||||
| } | ||||
| 
 | ||||
| // GetUint gets an uint value by a specified key.
 | ||||
| func (c *Context) GetUint(key string) (ui uint) { | ||||
| 	if val, ok := c.Get(key); ok && val != nil { | ||||
| 		ui, _ = val.(uint) | ||||
| 	} | ||||
| 	return | ||||
| } | ||||
| 
 | ||||
| // GetUint64 gets an uint64 value by a specified key.
 | ||||
| func (c *Context) GetUint64(key string) (ui64 uint64) { | ||||
| 	if val, ok := c.Get(key); ok && val != nil { | ||||
| 		ui64, _ = val.(uint64) | ||||
| 	} | ||||
| 	return | ||||
| } | ||||
| 
 | ||||
| // GetFloat64 gets a float64 value by a specified key.
 | ||||
| func (c *Context) GetFloat64(key string) (f64 float64) { | ||||
| 	if val, ok := c.Get(key); ok && val != nil { | ||||
| 		f64, _ = val.(float64) | ||||
| 	} | ||||
| 	return | ||||
| } | ||||
| 
 | ||||
| // GetTime gets a time.Time value by a specified key.
 | ||||
| func (c *Context) GetTime(key string) (t time.Time) { | ||||
| 	if val, ok := c.Get(key); ok && val != nil { | ||||
| 		t, _ = val.(time.Time) | ||||
| 	} | ||||
| 	return | ||||
| } | ||||
| 
 | ||||
| // GetDuration gets a time.Duration value by a specified key.
 | ||||
| func (c *Context) GetDuration(key string) (d time.Duration) { | ||||
| 	if val, ok := c.Get(key); ok && val != nil { | ||||
| 		d, _ = val.(time.Duration) | ||||
| 	} | ||||
| 	return | ||||
| } | ||||
| 
 | ||||
| // GetStringSlice gets a []string value by a specified key.
 | ||||
| func (c *Context) GetStringSlice(key string) (ss []string) { | ||||
| 	if val, ok := c.Get(key); ok && val != nil { | ||||
| 		ss, _ = val.([]string) | ||||
| 	} | ||||
| 	return | ||||
| } | ||||
| 
 | ||||
| // GetStringMap gets a map[string]interface{} value by a specified key.
 | ||||
| func (c *Context) GetStringMap(key string) (sm map[string]interface{}) { | ||||
| 	if val, ok := c.Get(key); ok && val != nil { | ||||
| 		sm, _ = val.(map[string]interface{}) | ||||
| 	} | ||||
| 	return | ||||
| } | ||||
| 
 | ||||
| // GetStringMapString gets a map[string]string value by a specified key.
 | ||||
| func (c *Context) GetStringMapString(key string) (sms map[string]string) { | ||||
| 	if val, ok := c.Get(key); ok && val != nil { | ||||
| 		sms, _ = val.(map[string]string) | ||||
| 	} | ||||
| 	return | ||||
| } | ||||
| 
 | ||||
| // GetStringMapStringSlice gets a map[string][]string value by a specified key.
 | ||||
| func (c *Context) GetStringMapStringSlice(key string) (smss map[string][]string) { | ||||
| 	if val, ok := c.Get(key); ok && val != nil { | ||||
| 		smss, _ = val.(map[string][]string) | ||||
| 	} | ||||
| 	return | ||||
| // StreamId gets dataStream ID.
 | ||||
| func (c *Context) StreamId() string { | ||||
| 	return c.DataStream.ID() | ||||
| } | ||||
|  |  | |||
|  | @ -0,0 +1,267 @@ | |||
| package network | ||||
| 
 | ||||
| import ( | ||||
| 	"context" | ||||
| 	"crypto/tls" | ||||
| 	"errors" | ||||
| 	"fmt" | ||||
| 	"git.hpds.cc/Component/network/auth" | ||||
| 	"git.hpds.cc/Component/network/frame" | ||||
| 	"github.com/quic-go/quic-go" | ||||
| ) | ||||
| 
 | ||||
| // ControlStream defines the interface for controlling a stream.
 | ||||
| type ControlStream interface { | ||||
| 	// CloseStream notifies the peer's control stream to close the data stream with the given streamID and error message.
 | ||||
| 	CloseStream(streamId string, errString string) error | ||||
| 	// ReceiveStreamClose is received from the peer's control stream to close the data stream according to streamID and error message.
 | ||||
| 	ReceiveStreamClose() (streamId string, errString string, err error) | ||||
| 	// CloseWithError closes the control stream.
 | ||||
| 	CloseWithError(code uint64, errString string) error | ||||
| } | ||||
| 
 | ||||
| // ServerControlStream defines the interface of server side control stream.
 | ||||
| type ServerControlStream interface { | ||||
| 	ControlStream | ||||
| 
 | ||||
| 	// VerifyAuthentication verify the Authentication from client side.
 | ||||
| 	VerifyAuthentication(verifyFunc func(auth.Object) (bool, error)) error | ||||
| 	// AcceptStream accepts data stream from the request of client.
 | ||||
| 	AcceptStream(context.Context) (DataStream, error) | ||||
| } | ||||
| 
 | ||||
| // ClientControlStream defines the interface of client side control stream.
 | ||||
| type ClientControlStream interface { | ||||
| 	ControlStream | ||||
| 
 | ||||
| 	// Authenticate with credential, the credential will be sent to ServerControlStream to authenticate the client.
 | ||||
| 	Authenticate(*auth.Credential) error | ||||
| 	// OpenStream request a ServerControlStream to create a new data stream.
 | ||||
| 	OpenStream(context.Context, *frame.HandshakeFrame) (DataStream, error) | ||||
| } | ||||
| 
 | ||||
| var _ ServerControlStream = &serverControlStream{} | ||||
| 
 | ||||
| type serverControlStream struct { | ||||
| 	conn   quic.Connection | ||||
| 	stream frame.ReadWriter | ||||
| } | ||||
| 
 | ||||
| // NewServerControlStream returns ServerControlStream from quic Connection and the first stream of this Connection.
 | ||||
| func NewServerControlStream(qConn quic.Connection, stream frame.ReadWriter) ServerControlStream { | ||||
| 	return &serverControlStream{ | ||||
| 		conn:   qConn, | ||||
| 		stream: stream, | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| func (ss *serverControlStream) ReceiveStreamClose() (streamId string, errReason string, err error) { | ||||
| 	return receiveStreamClose(ss.stream) | ||||
| } | ||||
| 
 | ||||
| func (ss *serverControlStream) CloseStream(streamId string, errString string) error { | ||||
| 	return closeStream(ss.stream, streamId, errString) | ||||
| } | ||||
| 
 | ||||
| func (ss *serverControlStream) AcceptStream(context.Context) (DataStream, error) { | ||||
| 	f, err := ss.stream.ReadFrame() | ||||
| 	if err != nil { | ||||
| 		return nil, err | ||||
| 	} | ||||
| 
 | ||||
| 	switch ff := f.(type) { | ||||
| 	case *frame.HandshakeFrame: | ||||
| 		stream, err := ss.conn.OpenStreamSync(context.Background()) | ||||
| 		if err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 		_, err = stream.Write(frame.NewHandshakeAckFrame(ff.ID()).Encode()) | ||||
| 		if err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 		dataStream := newDataStream( | ||||
| 			ff.Name(), | ||||
| 			ff.ID(), | ||||
| 			StreamType(ff.StreamType()), | ||||
| 			ff.Metadata(), | ||||
| 			stream, | ||||
| 			ff.ObserveDataTags(), | ||||
| 			ss, | ||||
| 		) | ||||
| 		return dataStream, nil | ||||
| 	default: | ||||
| 		return nil, fmt.Errorf("yomo: control stream read unexpected frame %s", f.Type()) | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| func (ss *serverControlStream) CloseWithError(code uint64, errString string) error { | ||||
| 	return closeWithError(ss.conn, code, errString) | ||||
| } | ||||
| 
 | ||||
| func (ss *serverControlStream) VerifyAuthentication(verifyFunc func(auth.Object) (bool, error)) error { | ||||
| 	first, err := ss.stream.ReadFrame() | ||||
| 	if err != nil { | ||||
| 		return err | ||||
| 	} | ||||
| 	received, ok := first.(*frame.AuthenticationFrame) | ||||
| 	if !ok { | ||||
| 		return fmt.Errorf("yomo: read unexpected frame while waiting for authentication, frame read: %s", received.Type().String()) | ||||
| 	} | ||||
| 	ok, err = verifyFunc(received) | ||||
| 	if err != nil { | ||||
| 		return err | ||||
| 	} | ||||
| 	if !ok { | ||||
| 		return ss.stream.WriteFrame( | ||||
| 			frame.NewAuthenticationRespFrame( | ||||
| 				false, | ||||
| 				fmt.Sprintf("yomo: authentication failed, client credential name is %s", received.AuthName()), | ||||
| 			), | ||||
| 		) | ||||
| 	} | ||||
| 	return ss.stream.WriteFrame(frame.NewAuthenticationRespFrame(true, "")) | ||||
| } | ||||
| 
 | ||||
| var _ ClientControlStream = &clientControlStream{} | ||||
| 
 | ||||
| type clientControlStream struct { | ||||
| 	conn   quic.Connection | ||||
| 	stream frame.ReadWriter | ||||
| } | ||||
| 
 | ||||
| // OpenClientControlStream opens ClientControlStream from addr.
 | ||||
| func OpenClientControlStream( | ||||
| 	ctx context.Context, addr string, | ||||
| 	tlsConfig *tls.Config, quicConfig *quic.Config, | ||||
| ) (ClientControlStream, error) { | ||||
| 	conn, err := quic.DialAddrContext(ctx, addr, tlsConfig, quicConfig) | ||||
| 	if err != nil { | ||||
| 		return nil, err | ||||
| 	} | ||||
| 	stream, err := conn.OpenStream() | ||||
| 	if err != nil { | ||||
| 		return nil, err | ||||
| 	} | ||||
| 
 | ||||
| 	return NewClientControlStream(conn, NewFrameStream(stream)), nil | ||||
| } | ||||
| 
 | ||||
| // NewClientControlStream returns ClientControlStream from quic Connection and the first stream form the Connection.
 | ||||
| func NewClientControlStream(qConn quic.Connection, stream frame.ReadWriter) ClientControlStream { | ||||
| 	return &clientControlStream{ | ||||
| 		conn:   qConn, | ||||
| 		stream: stream, | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| func (cs *clientControlStream) ReceiveStreamClose() (streamId string, errReason string, err error) { | ||||
| 	return receiveStreamClose(cs.stream) | ||||
| } | ||||
| 
 | ||||
| func (cs *clientControlStream) CloseStream(streamId string, errString string) error { | ||||
| 	return closeStream(cs.stream, streamId, errString) | ||||
| } | ||||
| 
 | ||||
| func (cs *clientControlStream) Authenticate(cred *auth.Credential) error { | ||||
| 	if err := cs.stream.WriteFrame( | ||||
| 		frame.NewAuthenticationFrame(cred.Name(), cred.Payload())); err != nil { | ||||
| 		return err | ||||
| 	} | ||||
| 	received, err := cs.stream.ReadFrame() | ||||
| 	if err != nil { | ||||
| 		return err | ||||
| 	} | ||||
| 	resp, ok := received.(*frame.AuthenticationRespFrame) | ||||
| 	if !ok { | ||||
| 		return fmt.Errorf( | ||||
| 			"yomo: read unexcept frame during waiting authentication resp, frame readed: %s", | ||||
| 			received.Type().String(), | ||||
| 		) | ||||
| 	} | ||||
| 	if !resp.OK() { | ||||
| 		return errors.New(resp.Reason()) | ||||
| 	} | ||||
| 	return nil | ||||
| } | ||||
| 
 | ||||
| // dataStreamAcked drain HandshakeAckFrame from stream.
 | ||||
| func dataStreamAcked(stream DataStream) error { | ||||
| 	first, err := stream.ReadFrame() | ||||
| 	if err != nil { | ||||
| 		return err | ||||
| 	} | ||||
| 
 | ||||
| 	f, ok := first.(*frame.HandshakeAckFrame) | ||||
| 	if !ok { | ||||
| 		return fmt.Errorf("yomo: data stream read first frame should be HandshakeAckFrame, but got %s", first.Type().String()) | ||||
| 	} | ||||
| 
 | ||||
| 	if f.StreamId() != stream.ID() { | ||||
| 		return fmt.Errorf("yomo: data stream ack exception, stream id did not match") | ||||
| 	} | ||||
| 
 | ||||
| 	return nil | ||||
| } | ||||
| 
 | ||||
| func (cs *clientControlStream) OpenStream(ctx context.Context, hf *frame.HandshakeFrame) (DataStream, error) { | ||||
| 	err := cs.stream.WriteFrame(frame.NewHandshakeFrame( | ||||
| 		hf.Name(), | ||||
| 		hf.ID(), | ||||
| 		hf.StreamType(), | ||||
| 		hf.ObserveDataTags(), | ||||
| 		hf.Metadata(), | ||||
| 	)) | ||||
| 
 | ||||
| 	if err != nil { | ||||
| 		return nil, err | ||||
| 	} | ||||
| 
 | ||||
| 	quicStream, err := cs.conn.AcceptStream(ctx) | ||||
| 	if err != nil { | ||||
| 		return nil, err | ||||
| 	} | ||||
| 
 | ||||
| 	dataStream := newDataStream( | ||||
| 		hf.Name(), | ||||
| 		hf.ID(), | ||||
| 		StreamType(hf.StreamType()), | ||||
| 		hf.Metadata(), | ||||
| 		quicStream, | ||||
| 		hf.ObserveDataTags(), | ||||
| 		cs, | ||||
| 	) | ||||
| 
 | ||||
| 	if err := dataStreamAcked(dataStream); err != nil { | ||||
| 		return nil, err | ||||
| 	} | ||||
| 
 | ||||
| 	return dataStream, nil | ||||
| } | ||||
| 
 | ||||
| func (cs *clientControlStream) CloseWithError(code uint64, errString string) error { | ||||
| 	return closeWithError(cs.conn, code, errString) | ||||
| } | ||||
| 
 | ||||
| func closeStream(controlStream frame.Writer, streamID string, errString string) error { | ||||
| 	f := frame.NewCloseStreamFrame(streamID, errString) | ||||
| 	return controlStream.WriteFrame(f) | ||||
| } | ||||
| 
 | ||||
| func receiveStreamClose(controlStream frame.Reader) (streamID string, errString string, err error) { | ||||
| 	f, err := controlStream.ReadFrame() | ||||
| 	if err != nil { | ||||
| 		return "", "", err | ||||
| 	} | ||||
| 	ff, ok := f.(*frame.CloseStreamFrame) | ||||
| 	if !ok { | ||||
| 		return "", "", errors.New("yomo: control stream only transmit close stream frame") | ||||
| 	} | ||||
| 	return ff.StreamID(), ff.Reason(), nil | ||||
| } | ||||
| 
 | ||||
| func closeWithError(qConn quic.Connection, code uint64, errString string) error { | ||||
| 	return qConn.CloseWithError( | ||||
| 		quic.ApplicationErrorCode(code), | ||||
| 		errString, | ||||
| 	) | ||||
| } | ||||
|  | @ -0,0 +1,163 @@ | |||
| package network | ||||
| 
 | ||||
| import ( | ||||
| 	"context" | ||||
| 	"github.com/quic-go/quic-go" | ||||
| 	"io" | ||||
| 	"sync" | ||||
| 	"sync/atomic" | ||||
| 
 | ||||
| 	"git.hpds.cc/Component/network/frame" | ||||
| ) | ||||
| 
 | ||||
| // DataStream wraps the specific io streams (typically quic.Stream) to transfer frames.
 | ||||
| // DataStream be used to read and write frames, and be managed by Connector.
 | ||||
| type DataStream interface { | ||||
| 	// Context returns context.Context to manages DataStream lifecycle.
 | ||||
| 	Context() context.Context | ||||
| 	// Name returns the name of the stream, which is set by clients.
 | ||||
| 	Name() string | ||||
| 	// ID represents the dataStream ID, the ID is an unique string.
 | ||||
| 	ID() string | ||||
| 	// StreamType represents dataStream type (Source | SFN | UpstreamEmitter).
 | ||||
| 	StreamType() StreamType | ||||
| 	// Metadata returns the extra info of the application
 | ||||
| 	Metadata() []byte | ||||
| 	// Close real close DataStream,
 | ||||
| 	// The controlStream calls this function, If you want close a dataStream, to use
 | ||||
| 	// the CloseWithError api.
 | ||||
| 	io.Closer | ||||
| 	// CloseWithError close DataStream with an error string,
 | ||||
| 	// This function do not real close the underlying stream, It notices controlStream to
 | ||||
| 	// close itself, The controlStream must close underlying stream after receive CloseStreamFrame.
 | ||||
| 	CloseWithError(string) error | ||||
| 	// ReadWriter writes or reads frame to underlying stream.
 | ||||
| 	// Writing and Reading are both goroutine-safely handle frames to peer side.
 | ||||
| 	// ReadWriter returns stream closed error if stream is closed.
 | ||||
| 	frame.ReadWriter | ||||
| 	// ObserveDataTags observed data tags.
 | ||||
| 	// TODO: There maybe a sorted list, we can find tag quickly.
 | ||||
| 	ObserveDataTags() []frame.Tag | ||||
| } | ||||
| 
 | ||||
| // TODO: dataStream sync.Pool wrap.
 | ||||
| type dataStream struct { | ||||
| 	name       string | ||||
| 	id         string | ||||
| 	streamType StreamType | ||||
| 	metadata   []byte | ||||
| 	observed   []frame.Tag | ||||
| 
 | ||||
| 	closed atomic.Bool | ||||
| 	// mu protected stream write and close
 | ||||
| 	// because of quic stream write and close is not goroutinue-safely.
 | ||||
| 	mu            sync.Mutex | ||||
| 	stream        quic.Stream | ||||
| 	controlStream ControlStream | ||||
| } | ||||
| 
 | ||||
| // newDataStream constructures dataStream.
 | ||||
| func newDataStream( | ||||
| 	name string, | ||||
| 	id string, | ||||
| 	streamType StreamType, | ||||
| 	metadata []byte, | ||||
| 	stream quic.Stream, | ||||
| 	observed []frame.Tag, | ||||
| 	controlStream ControlStream, | ||||
| ) DataStream { | ||||
| 	return &dataStream{ | ||||
| 		name:          name, | ||||
| 		id:            id, | ||||
| 		streamType:    streamType, | ||||
| 		metadata:      metadata, | ||||
| 		stream:        stream, | ||||
| 		observed:      observed, | ||||
| 		controlStream: controlStream, | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // DataStream implements.
 | ||||
| func (s *dataStream) Context() context.Context     { return s.stream.Context() } | ||||
| func (s *dataStream) ID() string                   { return s.id } | ||||
| func (s *dataStream) Name() string                 { return s.name } | ||||
| func (s *dataStream) Metadata() []byte             { return s.metadata } | ||||
| func (s *dataStream) StreamType() StreamType       { return s.streamType } | ||||
| func (s *dataStream) ObserveDataTags() []frame.Tag { return s.observed } | ||||
| 
 | ||||
| func (s *dataStream) WriteFrame(frm frame.Frame) error { | ||||
| 	if s.closed.Load() { | ||||
| 		return io.EOF | ||||
| 	} | ||||
| 
 | ||||
| 	s.mu.Lock() | ||||
| 	defer s.mu.Unlock() | ||||
| 	_, err := s.stream.Write(frm.Encode()) | ||||
| 	return err | ||||
| } | ||||
| 
 | ||||
| func (s *dataStream) ReadFrame() (frame.Frame, error) { | ||||
| 	if s.closed.Load() { | ||||
| 		return nil, io.EOF | ||||
| 	} | ||||
| 	return ParseFrame(s.stream) | ||||
| } | ||||
| 
 | ||||
| func (s *dataStream) Close() error { | ||||
| 	s.mu.Lock() | ||||
| 	defer s.mu.Unlock() | ||||
| 
 | ||||
| 	// Close the stream truly,
 | ||||
| 	// This function should be called after controlStream receive a closeStreamFrame.
 | ||||
| 	return s.stream.Close() | ||||
| } | ||||
| 
 | ||||
| func (s *dataStream) CloseWithError(errString string) error { | ||||
| 	if s.closed.Load() { | ||||
| 		return nil | ||||
| 	} | ||||
| 	s.closed.Store(true) | ||||
| 
 | ||||
| 	s.mu.Lock() | ||||
| 	defer s.mu.Unlock() | ||||
| 
 | ||||
| 	// Only notice client-side controlStream the stream has been closed.
 | ||||
| 	// The controlStream reads closeStreamFrame and to close dataStream.
 | ||||
| 	return s.controlStream.CloseStream(s.id, errString) | ||||
| } | ||||
| 
 | ||||
| const ( | ||||
| 	// StreamTypeNone is stream type "None".
 | ||||
| 	// "None" stream is not supposed to be in the yomo system.
 | ||||
| 	StreamTypeNone StreamType = 0xFF | ||||
| 
 | ||||
| 	// StreamTypeSource is stream type "Source".
 | ||||
| 	// "Source" type stream sends data to "Stream Function" stream generally.
 | ||||
| 	StreamTypeSource StreamType = 0x5F | ||||
| 
 | ||||
| 	// StreamTypeUpstreamEmitter is connection type "Upstream Emitter".
 | ||||
| 	// "Upstream Emitter" type stream sends data from "Source" to other Emitter node.
 | ||||
| 	// With "Upstream Emitter", the yomo can run in mesh mode.
 | ||||
| 	StreamTypeUpstreamEmitter StreamType = 0x5E | ||||
| 
 | ||||
| 	// StreamTypeStreamFunction is stream type "Stream Function".
 | ||||
| 	// "Stream Function" handles data from source.
 | ||||
| 	StreamTypeStreamFunction StreamType = 0x5D | ||||
| ) | ||||
| 
 | ||||
| // StreamType represents the stream type.
 | ||||
| type StreamType byte | ||||
| 
 | ||||
| // String returns string for StreamType.
 | ||||
| func (c StreamType) String() string { | ||||
| 	switch c { | ||||
| 	case StreamTypeSource: | ||||
| 		return "Source" | ||||
| 	case StreamTypeUpstreamEmitter: | ||||
| 		return "Upstream Emitter" | ||||
| 	case StreamTypeStreamFunction: | ||||
| 		return "Stream Function" | ||||
| 	default: | ||||
| 		return "None" | ||||
| 	} | ||||
| } | ||||
|  | @ -0,0 +1,84 @@ | |||
| package frame | ||||
| 
 | ||||
| import ( | ||||
| 	coder "git.hpds.cc/Component/mq_coder" | ||||
| ) | ||||
| 
 | ||||
| // AuthenticationFrame is used to authenticate the client,
 | ||||
| // Once the connection is established, the client immediately, sends information
 | ||||
| // to the server, server gets the way to authenticate according to authName and
 | ||||
| // use authPayload to do a authentication.
 | ||||
| //
 | ||||
| //	AuthenticationFrame is a coder encoded.
 | ||||
| type AuthenticationFrame struct { | ||||
| 	authName    string | ||||
| 	authPayload string | ||||
| } | ||||
| 
 | ||||
| // NewAuthenticationFrame creates a new AuthenticationFrame.
 | ||||
| func NewAuthenticationFrame(authName string, authPayload string) *AuthenticationFrame { | ||||
| 	return &AuthenticationFrame{ | ||||
| 		authName:    authName, | ||||
| 		authPayload: authPayload, | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // Type returns the type of AuthenticationFrame.
 | ||||
| func (h *AuthenticationFrame) Type() Type { | ||||
| 	return TagOfAuthenticationFrame | ||||
| } | ||||
| 
 | ||||
| // Encode encodes AuthenticationFrame to bytes in coder codec.
 | ||||
| func (h *AuthenticationFrame) Encode() []byte { | ||||
| 	// auth
 | ||||
| 	authNameBlock := coder.NewPrimitivePacketEncoder(byte(TagOfAuthenticationName)) | ||||
| 	authNameBlock.SetStringValue(h.authName) | ||||
| 	authPayloadBlock := coder.NewPrimitivePacketEncoder(byte(TagOfAuthenticationPayload)) | ||||
| 	authPayloadBlock.SetStringValue(h.authPayload) | ||||
| 	// authentication frame
 | ||||
| 	authentication := coder.NewNodePacketEncoder(byte(h.Type())) | ||||
| 	authentication.AddPrimitivePacket(authNameBlock) | ||||
| 	authentication.AddPrimitivePacket(authPayloadBlock) | ||||
| 
 | ||||
| 	return authentication.Encode() | ||||
| } | ||||
| 
 | ||||
| // DecodeToAuthenticationFrame decodes coder encoded bytes to AuthenticationFrame.
 | ||||
| func DecodeToAuthenticationFrame(buf []byte) (*AuthenticationFrame, error) { | ||||
| 	node := coder.NodePacket{} | ||||
| 	_, err := coder.DecodeToNodePacket(buf, &node) | ||||
| 	if err != nil { | ||||
| 		return nil, err | ||||
| 	} | ||||
| 
 | ||||
| 	authentication := &AuthenticationFrame{} | ||||
| 
 | ||||
| 	// auth
 | ||||
| 	if authNameBlock, ok := node.PrimitivePackets[byte(TagOfAuthenticationName)]; ok { | ||||
| 		authName, err := authNameBlock.ToUTF8String() | ||||
| 		if err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 		authentication.authName = authName | ||||
| 	} | ||||
| 	if authPayloadBlock, ok := node.PrimitivePackets[byte(TagOfAuthenticationPayload)]; ok { | ||||
| 		authPayload, err := authPayloadBlock.ToUTF8String() | ||||
| 		if err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 		authentication.authPayload = authPayload | ||||
| 	} | ||||
| 
 | ||||
| 	return authentication, nil | ||||
| } | ||||
| 
 | ||||
| // AuthPayload returns authentication payload.
 | ||||
| func (h *AuthenticationFrame) AuthPayload() string { | ||||
| 	return h.authPayload | ||||
| } | ||||
| 
 | ||||
| // AuthName returns authentication name,
 | ||||
| // server finds the mode of authentication in AuthName.
 | ||||
| func (h *AuthenticationFrame) AuthName() string { | ||||
| 	return h.authName | ||||
| } | ||||
|  | @ -0,0 +1,23 @@ | |||
| package frame | ||||
| 
 | ||||
| import ( | ||||
| 	"testing" | ||||
| 
 | ||||
| 	"github.com/stretchr/testify/assert" | ||||
| ) | ||||
| 
 | ||||
| func TestAuthenticationFrame(t *testing.T) { | ||||
| 	m := NewAuthenticationFrame("token", "a") | ||||
| 	assert.Equal(t, []byte{ | ||||
| 		0x80 | byte(TagOfAuthenticationFrame), 0xa, | ||||
| 		byte(TagOfAuthenticationName), 0x05, 0x74, 0x6f, 0x6b, 0x65, 0x6e, | ||||
| 		byte(TagOfAuthenticationPayload), 0x01, 0x61, | ||||
| 	}, | ||||
| 		m.Encode(), | ||||
| 	) | ||||
| 
 | ||||
| 	authenticate, err := DecodeToAuthenticationFrame(m.Encode()) | ||||
| 	assert.NoError(t, err) | ||||
| 	assert.EqualValues(t, "token", authenticate.AuthName()) | ||||
| 	assert.EqualValues(t, "a", authenticate.AuthPayload()) | ||||
| } | ||||
|  | @ -0,0 +1,77 @@ | |||
| package frame | ||||
| 
 | ||||
| import ( | ||||
| 	coder "git.hpds.cc/Component/mq_coder" | ||||
| ) | ||||
| 
 | ||||
| // AuthenticationRespFrame is the response of Authentication.
 | ||||
| // AuthenticationRespFrame is a coder encoded bytes.
 | ||||
| type AuthenticationRespFrame struct { | ||||
| 	ok     bool | ||||
| 	reason string | ||||
| } | ||||
| 
 | ||||
| // OK returns if Authentication is success.
 | ||||
| func (f *AuthenticationRespFrame) OK() bool { return f.ok } | ||||
| 
 | ||||
| // Reason returns the failed reason of Authentication.
 | ||||
| func (f *AuthenticationRespFrame) Reason() string { return f.reason } | ||||
| 
 | ||||
| // NewAuthenticationRespFrame returns a AuthenticationRespFrame.
 | ||||
| func NewAuthenticationRespFrame(ok bool, reason string) *AuthenticationRespFrame { | ||||
| 	return &AuthenticationRespFrame{ | ||||
| 		ok:     ok, | ||||
| 		reason: reason, | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // Type gets the type of the AuthenticationRespFrame.
 | ||||
| func (f *AuthenticationRespFrame) Type() Type { | ||||
| 	return TagOfAuthenticationAckFrame | ||||
| } | ||||
| 
 | ||||
| // Encode encodes AuthenticationRespFrame to coder encoded bytes.
 | ||||
| func (f *AuthenticationRespFrame) Encode() []byte { | ||||
| 	// ok
 | ||||
| 	okBlock := coder.NewPrimitivePacketEncoder(byte(TagOfAuthenticationAckOk)) | ||||
| 	okBlock.SetBoolValue(f.ok) | ||||
| 	// reason
 | ||||
| 	reasonBlock := coder.NewPrimitivePacketEncoder(byte(TagOfAuthenticationAckReason)) | ||||
| 	reasonBlock.SetStringValue(f.reason) | ||||
| 	// frame
 | ||||
| 	ack := coder.NewNodePacketEncoder(byte(f.Type())) | ||||
| 	ack.AddPrimitivePacket(okBlock) | ||||
| 	ack.AddPrimitivePacket(reasonBlock) | ||||
| 
 | ||||
| 	return ack.Encode() | ||||
| } | ||||
| 
 | ||||
| // DecodeToAuthenticationRespFrame decodes coder encoded bytes to AuthenticationRespFrame.
 | ||||
| func DecodeToAuthenticationRespFrame(buf []byte) (*AuthenticationRespFrame, error) { | ||||
| 	node := coder.NodePacket{} | ||||
| 	_, err := coder.DecodeToNodePacket(buf, &node) | ||||
| 	if err != nil { | ||||
| 		return nil, err | ||||
| 	} | ||||
| 
 | ||||
| 	f := &AuthenticationRespFrame{} | ||||
| 
 | ||||
| 	// ok
 | ||||
| 	if okBlock, ok := node.PrimitivePackets[byte(TagOfAuthenticationAckOk)]; ok { | ||||
| 		ok, err := okBlock.ToBool() | ||||
| 		if err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 		f.ok = ok | ||||
| 	} | ||||
| 	// reason
 | ||||
| 	if reasonBlock, ok := node.PrimitivePackets[byte(TagOfAuthenticationAckReason)]; ok { | ||||
| 		reason, err := reasonBlock.ToUTF8String() | ||||
| 		if err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 		f.reason = reason | ||||
| 	} | ||||
| 
 | ||||
| 	return f, nil | ||||
| } | ||||
|  | @ -0,0 +1,20 @@ | |||
| package frame | ||||
| 
 | ||||
| import ( | ||||
| 	"testing" | ||||
| 
 | ||||
| 	"github.com/stretchr/testify/assert" | ||||
| ) | ||||
| 
 | ||||
| func TestAuthenticationAckFrame(t *testing.T) { | ||||
| 	f := NewAuthenticationRespFrame(false, "aabbcc") | ||||
| 
 | ||||
| 	bytes := f.Encode() | ||||
| 	assert.Equal(t, []byte{0x91, 0xb, 0x12, 0x1, 0x0, 0x13, 0x6, 0x61, 0x61, 0x62, 0x62, 0x63, 0x63}, bytes) | ||||
| 
 | ||||
| 	got, err := DecodeToAuthenticationRespFrame(bytes) | ||||
| 	assert.Equal(t, f, got) | ||||
| 	assert.NoError(t, err) | ||||
| 	assert.EqualValues(t, false, f.OK()) | ||||
| 	assert.EqualValues(t, "aabbcc", f.Reason()) | ||||
| } | ||||
|  | @ -7,12 +7,12 @@ import ( | |||
| // BackFlowFrame is a coder encoded bytes
 | ||||
| // It's used to receive stream function processed result
 | ||||
| type BackFlowFrame struct { | ||||
| 	Tag      byte | ||||
| 	Tag      Tag | ||||
| 	Carriage []byte | ||||
| } | ||||
| 
 | ||||
| // NewBackFlowFrame creates a new BackFlowFrame with a given tag and carriage
 | ||||
| func NewBackFlowFrame(tag byte, carriage []byte) *BackFlowFrame { | ||||
| func NewBackFlowFrame(tag Tag, carriage []byte) *BackFlowFrame { | ||||
| 	return &BackFlowFrame{ | ||||
| 		Tag:      tag, | ||||
| 		Carriage: carriage, | ||||
|  | @ -32,17 +32,20 @@ func (f *BackFlowFrame) SetCarriage(buf []byte) *BackFlowFrame { | |||
| 
 | ||||
| // Encode to coder encoded bytes
 | ||||
| func (f *BackFlowFrame) Encode() []byte { | ||||
| 	carriage := coder.NewPrimitivePacketEncoder(f.Tag) | ||||
| 	tag := coder.NewPrimitivePacketEncoder(byte(TagOfBackFlowDataTag)) | ||||
| 	tag.SetUInt32Value(uint32(f.Tag)) | ||||
| 	carriage := coder.NewPrimitivePacketEncoder(byte(TagOfBackFlowCarriage)) | ||||
| 	carriage.SetBytesValue(f.Carriage) | ||||
| 
 | ||||
| 	node := coder.NewNodePacketEncoder(byte(TagOfBackFlowFrame)) | ||||
| 	node.AddPrimitivePacket(tag) | ||||
| 	node.AddPrimitivePacket(carriage) | ||||
| 
 | ||||
| 	return node.Encode() | ||||
| } | ||||
| 
 | ||||
| // GetDataTag return the Tag of user's data
 | ||||
| func (f *BackFlowFrame) GetDataTag() byte { | ||||
| func (f *BackFlowFrame) GetDataTag() Tag { | ||||
| 	return f.Tag | ||||
| } | ||||
| 
 | ||||
|  | @ -60,11 +63,15 @@ func DecodeToBackFlowFrame(buf []byte) (*BackFlowFrame, error) { | |||
| 	} | ||||
| 
 | ||||
| 	payload := &BackFlowFrame{} | ||||
| 	for _, v := range nodeBlock.PrimitivePackets { | ||||
| 		payload.Tag = v.SeqId() | ||||
| 		payload.Carriage = v.GetValBuf() | ||||
| 		break | ||||
| 	if p, ok := nodeBlock.PrimitivePackets[byte(TagOfBackFlowDataTag)]; ok { | ||||
| 		tag, err := p.ToUInt32() | ||||
| 		if err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 		payload.Tag = Tag(tag) | ||||
| 	} | ||||
| 	if p, ok := nodeBlock.PrimitivePackets[byte(TagOfBackFlowCarriage)]; ok { | ||||
| 		payload.Carriage = p.GetValBuf() | ||||
| 	} | ||||
| 
 | ||||
| 	return payload, nil | ||||
| } | ||||
|  |  | |||
|  | @ -0,0 +1,33 @@ | |||
| package frame | ||||
| 
 | ||||
| import ( | ||||
| 	"testing" | ||||
| 
 | ||||
| 	"github.com/stretchr/testify/assert" | ||||
| ) | ||||
| 
 | ||||
| func TestBackFlowFrameEncode(t *testing.T) { | ||||
| 	var ( | ||||
| 		tag      = Tag(22) | ||||
| 		carriage = []byte("hello backflow") | ||||
| 	) | ||||
| 	f := NewBackFlowFrame(tag, []byte{}) | ||||
| 
 | ||||
| 	f.SetCarriage(carriage) | ||||
| 
 | ||||
| 	assert.Equal(t, TagOfBackFlowFrame, f.Type()) | ||||
| 	assert.Equal(t, f.GetCarriage(), carriage) | ||||
| 	assert.Equal(t, f.GetDataTag(), tag) | ||||
| 	assert.Equal(t, []byte{0xad, 0x13, 0x1, 0x1, 0x16, 0x2, 0xe, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x62, 0x61, 0x63, 0x6b, 0x66, 0x6c, 0x6f, 0x77}, f.Encode()) | ||||
| } | ||||
| 
 | ||||
| func TestBackflowFrameDecode(t *testing.T) { | ||||
| 	f := NewBackFlowFrame(Tag(22), []byte("hello backflow")) | ||||
| 
 | ||||
| 	buf := f.Encode() | ||||
| 
 | ||||
| 	df, err := DecodeToBackFlowFrame(buf) | ||||
| 
 | ||||
| 	assert.NoError(t, err) | ||||
| 	assert.Equal(t, df, f) | ||||
| } | ||||
|  | @ -0,0 +1,78 @@ | |||
| package frame | ||||
| 
 | ||||
| import ( | ||||
| 	coder "git.hpds.cc/Component/mq_coder" | ||||
| ) | ||||
| 
 | ||||
| // CloseStreamFrame is used to close a dataStream, controlStream
 | ||||
| // receives CloseStreamFrame and closes dataStream according to the Frame.
 | ||||
| // CloseStreamFrame is a coder encoded bytes.
 | ||||
| type CloseStreamFrame struct { | ||||
| 	streamID string | ||||
| 	reason   string | ||||
| } | ||||
| 
 | ||||
| // StreamID returns the ID of the stream to be closed.
 | ||||
| func (f *CloseStreamFrame) StreamID() string { return f.streamID } | ||||
| 
 | ||||
| // Reason returns the close reason.
 | ||||
| func (f *CloseStreamFrame) Reason() string { return f.reason } | ||||
| 
 | ||||
| // NewCloseStreamFrame returns a CloseStreamFrame.
 | ||||
| func NewCloseStreamFrame(streamID, reason string) *CloseStreamFrame { | ||||
| 	return &CloseStreamFrame{ | ||||
| 		streamID: streamID, | ||||
| 		reason:   reason, | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // Type gets the type of the CloseStreamFrame.
 | ||||
| func (f *CloseStreamFrame) Type() Type { | ||||
| 	return TagOfCloseStreamFrame | ||||
| } | ||||
| 
 | ||||
| // Encode encodes CloseStreamFrame to coder encoded bytes.
 | ||||
| func (f *CloseStreamFrame) Encode() []byte { | ||||
| 	// id
 | ||||
| 	idBlock := coder.NewPrimitivePacketEncoder(byte(TagOfCloseStreamID)) | ||||
| 	idBlock.SetStringValue(f.streamID) | ||||
| 	// reason
 | ||||
| 	reasonBlock := coder.NewPrimitivePacketEncoder(byte(TagOfCloseStreamReason)) | ||||
| 	reasonBlock.SetStringValue(f.reason) | ||||
| 	// frame
 | ||||
| 	ack := coder.NewNodePacketEncoder(byte(f.Type())) | ||||
| 	ack.AddPrimitivePacket(idBlock) | ||||
| 	ack.AddPrimitivePacket(reasonBlock) | ||||
| 
 | ||||
| 	return ack.Encode() | ||||
| } | ||||
| 
 | ||||
| // DecodeToCloseStreamFrame decodes coder encoded bytes to CloseStreamFrame.
 | ||||
| func DecodeToCloseStreamFrame(buf []byte) (*CloseStreamFrame, error) { | ||||
| 	node := coder.NodePacket{} | ||||
| 	_, err := coder.DecodeToNodePacket(buf, &node) | ||||
| 	if err != nil { | ||||
| 		return nil, err | ||||
| 	} | ||||
| 
 | ||||
| 	f := &CloseStreamFrame{} | ||||
| 
 | ||||
| 	// id
 | ||||
| 	if idBlock, ok := node.PrimitivePackets[byte(TagOfCloseStreamID)]; ok { | ||||
| 		id, err := idBlock.ToUTF8String() | ||||
| 		if err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 		f.streamID = id | ||||
| 	} | ||||
| 	// reason
 | ||||
| 	if reasonBlock, ok := node.PrimitivePackets[byte(TagOfCloseStreamReason)]; ok { | ||||
| 		reason, err := reasonBlock.ToUTF8String() | ||||
| 		if err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 		f.reason = reason | ||||
| 	} | ||||
| 
 | ||||
| 	return f, nil | ||||
| } | ||||
|  | @ -0,0 +1,20 @@ | |||
| package frame | ||||
| 
 | ||||
| import ( | ||||
| 	"testing" | ||||
| 
 | ||||
| 	"github.com/stretchr/testify/assert" | ||||
| ) | ||||
| 
 | ||||
| func TestCloseStreamFrame(t *testing.T) { | ||||
| 	f := NewCloseStreamFrame("eeffgg", "aabbcc") | ||||
| 
 | ||||
| 	bytes := f.Encode() | ||||
| 	assert.Equal(t, []byte{0x94, 0x10, 0x15, 0x6, 0x65, 0x65, 0x66, 0x66, 0x67, 0x67, 0x16, 0x6, 0x61, 0x61, 0x62, 0x62, 0x63, 0x63}, bytes) | ||||
| 
 | ||||
| 	got, err := DecodeToCloseStreamFrame(bytes) | ||||
| 	assert.Equal(t, f, got) | ||||
| 	assert.NoError(t, err) | ||||
| 	assert.EqualValues(t, "eeffgg", f.StreamID()) | ||||
| 	assert.EqualValues(t, "aabbcc", f.Reason()) | ||||
| } | ||||
|  | @ -1,37 +1,83 @@ | |||
| package frame | ||||
| 
 | ||||
| import ( | ||||
| 	"fmt" | ||||
| 	coder "git.hpds.cc/Component/mq_coder" | ||||
| 	"sync" | ||||
| ) | ||||
| 
 | ||||
| var dataFramePool sync.Pool | ||||
| 
 | ||||
| // DataFrame defines the data structure carried with user's data
 | ||||
| type DataFrame struct { | ||||
| 	metaFrame    *MetaFrame | ||||
| 	payloadFrame *PayloadFrame | ||||
| } | ||||
| 
 | ||||
| func (d *DataFrame) String() string { | ||||
| 	data := d.GetCarriage() | ||||
| 	length := len(data) | ||||
| 	if length > debugFrameSize { | ||||
| 		data = data[:debugFrameSize] | ||||
| 	} | ||||
| 	return fmt.Sprintf("tid=%s | tag=%#x | source=%s | data[%d]=%# x", d.metaFrame.tid, d.Tag(), d.SourceId(), length, data) | ||||
| } | ||||
| 
 | ||||
| // NewDataFrame create `DataFrame` with a transactionId string,
 | ||||
| // consider change transactionID to UUID type later
 | ||||
| func NewDataFrame() *DataFrame { | ||||
| 	data := &DataFrame{ | ||||
| 		metaFrame: NewMetaFrame(), | ||||
| 	} | ||||
| 	data := newDataFrame() | ||||
| 	data.metaFrame.tid = randString() | ||||
| 	return data | ||||
| } | ||||
| 
 | ||||
| func newDataFrame() (data *DataFrame) { | ||||
| 	v := dataFramePool.Get() | ||||
| 	if v == nil { | ||||
| 		data = new(DataFrame) | ||||
| 		data.metaFrame = new(MetaFrame) | ||||
| 		data.payloadFrame = new(PayloadFrame) | ||||
| 	} else { | ||||
| 		data = v.(*DataFrame) | ||||
| 	} | ||||
| 
 | ||||
| 	return | ||||
| } | ||||
| 
 | ||||
| // Clean cleans DataFrame.
 | ||||
| // Note that:
 | ||||
| // 1/ if the client is calling WriteFrame(), it will automatically invoke Clean(), so there is no need to call Clean() separately.
 | ||||
| // 2/ The DataFrame will be unavailable after cleaned, do not access DataFrame after Clean() called.
 | ||||
| func (d *DataFrame) Clean() { | ||||
| 	// reset metadataFrame
 | ||||
| 	d.metaFrame.tid = "" | ||||
| 	d.metaFrame.metadata = d.metaFrame.metadata[:0] | ||||
| 	d.metaFrame.sourceId = "" | ||||
| 	d.metaFrame.broadcast = false | ||||
| 
 | ||||
| 	// reset payloadFrame
 | ||||
| 	d.payloadFrame.Tag = Tag(0) | ||||
| 	d.payloadFrame.Carriage = d.payloadFrame.Carriage[:0] | ||||
| 
 | ||||
| 	dataFramePool.Put(d) | ||||
| } | ||||
| 
 | ||||
| // Type gets the type of Frame.
 | ||||
| func (d *DataFrame) Type() Type { | ||||
| 	return TagOfDataFrame | ||||
| } | ||||
| 
 | ||||
| // Tag return the tag of carriage data.
 | ||||
| func (d *DataFrame) Tag() byte { | ||||
| func (d *DataFrame) Tag() Tag { | ||||
| 	return d.payloadFrame.Tag | ||||
| } | ||||
| 
 | ||||
| // SetCarriage set user's raw data in `DataFrame`
 | ||||
| func (d *DataFrame) SetCarriage(tag byte, carriage []byte) { | ||||
| 	d.payloadFrame = NewPayloadFrame(tag).SetCarriage(carriage) | ||||
| func (d *DataFrame) SetCarriage(tag Tag, carriage []byte) { | ||||
| 	d.payloadFrame = &PayloadFrame{ | ||||
| 		Tag:      tag, | ||||
| 		Carriage: carriage, | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // GetCarriage return user's raw data in `DataFrame`
 | ||||
|  | @ -45,8 +91,8 @@ func (d *DataFrame) TransactionId() string { | |||
| } | ||||
| 
 | ||||
| // SetTransactionId set transactionId string
 | ||||
| func (d *DataFrame) SetTransactionId(transactionID string) { | ||||
| 	d.metaFrame.SetTransactionId(transactionID) | ||||
| func (d *DataFrame) SetTransactionId(transactionId string) { | ||||
| 	d.metaFrame.SetTransactionId(transactionId) | ||||
| } | ||||
| 
 | ||||
| // GetMetaFrame return MetaFrame.
 | ||||
|  | @ -55,13 +101,13 @@ func (d *DataFrame) GetMetaFrame() *MetaFrame { | |||
| } | ||||
| 
 | ||||
| // GetDataTag return the Tag of user's data
 | ||||
| func (d *DataFrame) GetDataTag() byte { | ||||
| func (d *DataFrame) GetDataTag() Tag { | ||||
| 	return d.payloadFrame.Tag | ||||
| } | ||||
| 
 | ||||
| // SetSourceId set the source id.
 | ||||
| func (d *DataFrame) SetSourceId(sourceID string) { | ||||
| 	d.metaFrame.SetSourceId(sourceID) | ||||
| func (d *DataFrame) SetSourceId(sourceId string) { | ||||
| 	d.metaFrame.SetSourceId(sourceId) | ||||
| } | ||||
| 
 | ||||
| // SourceId returns source id
 | ||||
|  | @ -69,6 +115,16 @@ func (d *DataFrame) SourceId() string { | |||
| 	return d.metaFrame.SourceId() | ||||
| } | ||||
| 
 | ||||
| // SetBroadcast set broadcast mode
 | ||||
| func (d *DataFrame) SetBroadcast(enabled bool) { | ||||
| 	d.metaFrame.SetBroadcast(enabled) | ||||
| } | ||||
| 
 | ||||
| // IsBroadcast returns the broadcast mode is enabled
 | ||||
| func (d *DataFrame) IsBroadcast() bool { | ||||
| 	return d.metaFrame.IsBroadcast() | ||||
| } | ||||
| 
 | ||||
| // Encode return coder encoded bytes of `DataFrame`
 | ||||
| func (d *DataFrame) Encode() []byte { | ||||
| 	data := coder.NewNodePacketEncoder(byte(d.Type())) | ||||
|  | @ -88,22 +144,22 @@ func DecodeToDataFrame(buf []byte) (*DataFrame, error) { | |||
| 		return nil, err | ||||
| 	} | ||||
| 
 | ||||
| 	data := &DataFrame{} | ||||
| 	data := new(DataFrame) | ||||
| 	data.metaFrame = new(MetaFrame) | ||||
| 	data.payloadFrame = new(PayloadFrame) | ||||
| 
 | ||||
| 	if metaBlock, ok := packet.NodePackets[byte(TagOfMetaFrame)]; ok { | ||||
| 		meta, err := DecodeToMetaFrame(metaBlock.GetRawBytes()) | ||||
| 		err := DecodeToMetaFrame(metaBlock.GetRawBytes(), data.metaFrame) | ||||
| 		if err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 		data.metaFrame = meta | ||||
| 	} | ||||
| 
 | ||||
| 	if payloadBlock, ok := packet.NodePackets[byte(TagOfPayloadFrame)]; ok { | ||||
| 		payload, err := DecodeToPayloadFrame(payloadBlock.GetRawBytes()) | ||||
| 		err := DecodeToPayloadFrame(payloadBlock.GetRawBytes(), data.payloadFrame) | ||||
| 		if err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 		data.payloadFrame = payload | ||||
| 	} | ||||
| 
 | ||||
| 	return data, nil | ||||
|  |  | |||
|  | @ -7,33 +7,59 @@ import ( | |||
| ) | ||||
| 
 | ||||
| func TestDataFrameEncode(t *testing.T) { | ||||
| 	var userDataTag byte = 0x15 | ||||
| 	var userDataTag Tag = 0x15 | ||||
| 	d := NewDataFrame() | ||||
| 	d.SetCarriage(userDataTag, []byte("hpds")) | ||||
| 	d.SetBroadcast(true) | ||||
| 
 | ||||
| 	assert.EqualValues(t, "", d.SourceId()) | ||||
| 
 | ||||
| 	tidBuf := []byte(d.TransactionId()) | ||||
| 	result := []byte{ | ||||
| 		0x80 | byte(TagOfDataFrame), byte(len(tidBuf) + 4 + 8 + 2), | ||||
| 		0x80 | byte(TagOfMetaFrame), byte(len(tidBuf) + 2 + 2), | ||||
| 		0x80 | byte(TagOfDataFrame), byte(len(tidBuf) + 4 + 8 + 5 + 3), | ||||
| 		0x80 | byte(TagOfMetaFrame), byte(len(tidBuf) + 2 + 2 + 3), | ||||
| 		byte(TagOfTransactionId), byte(len(tidBuf))} | ||||
| 	result = append(result, tidBuf...) | ||||
| 	result = append(result, byte(TagOfSourceId), 0x0) | ||||
| 	result = append(result, 0x80|byte(TagOfPayloadFrame), 0x06, | ||||
| 		userDataTag, 0x04, 0x68, 0x70, 0x64, 0x73) | ||||
| 	result = append(result, byte(TagOfBroadcast), 0x1, 0x1) | ||||
| 	result = append(result, 0x80|byte(TagOfPayloadFrame), 0x09, | ||||
| 		0x01, 0x1, 0x15, 0x02, 0x04, 0x68, 0x70, 0x64, 0x73) | ||||
| 	assert.Equal(t, result, d.Encode()) | ||||
| } | ||||
| 
 | ||||
| func TestDataFrameDecode(t *testing.T) { | ||||
| 	var userDataTag byte = 0x15 | ||||
| 	var userDataTag Tag = 0x15 | ||||
| 	buf := []byte{ | ||||
| 		0x80 | byte(TagOfDataFrame), 0x10, | ||||
| 		0x80 | byte(TagOfMetaFrame), 0x06, | ||||
| 		0x80 | byte(TagOfDataFrame), 0x10 + 3, | ||||
| 		0x80 | byte(TagOfMetaFrame), 0x06 + 3, | ||||
| 		byte(TagOfTransactionId), 0x04, 0x31, 0x32, 0x33, 0x34, | ||||
| 		0x80 | byte(TagOfPayloadFrame), 0x06, | ||||
| 		userDataTag, 0x04, 0x68, 0x70, 0x64, 0x73} | ||||
| 		byte(TagOfBroadcast), 0x01, 0x01, | ||||
| 		0x80 | byte(TagOfPayloadFrame), 0x09, | ||||
| 		0x01, 0x1, 0x15, 0x02, 0x04, 0x68, 0x70, 0x64, 0x73} | ||||
| 	data, err := DecodeToDataFrame(buf) | ||||
| 	defer data.Clean() | ||||
| 	assert.NoError(t, err) | ||||
| 
 | ||||
| 	assert.EqualValues(t, 0x15, data.Tag()) | ||||
| 	assert.EqualValues(t, "1234", data.TransactionId()) | ||||
| 	assert.EqualValues(t, userDataTag, data.GetDataTag()) | ||||
| 	assert.EqualValues(t, []byte("hpds"), data.GetCarriage()) | ||||
| 	assert.EqualValues(t, true, data.IsBroadcast()) | ||||
| } | ||||
| 
 | ||||
| func BenchmarkDataFramePool(b *testing.B) { | ||||
| 	var ( | ||||
| 		tag     = Tag(0x15) | ||||
| 		payload = []byte("hpds") | ||||
| 	) | ||||
| 
 | ||||
| 	b.RunParallel(func(pb *testing.PB) { | ||||
| 		for pb.Next() { | ||||
| 			prev := NewDataFrame() | ||||
| 			prev.SetCarriage(tag, payload) | ||||
| 			prev.SetBroadcast(true) | ||||
| 
 | ||||
| 			prev.Clean() | ||||
| 		} | ||||
| 	}) | ||||
| } | ||||
|  |  | |||
|  | @ -5,6 +5,25 @@ import ( | |||
| 	"strconv" | ||||
| ) | ||||
| 
 | ||||
| // ReadWriter is the interface that groups the ReadFrame and WriteFrame methods.
 | ||||
| type ReadWriter interface { | ||||
| 	Reader | ||||
| 	Writer | ||||
| } | ||||
| 
 | ||||
| // Reader reads frame from underlying stream.
 | ||||
| type Reader interface { | ||||
| 	// ReadFrame reads frame, if error, the error returned is not empty
 | ||||
| 	// and frame returned is nil.
 | ||||
| 	ReadFrame() (Frame, error) | ||||
| } | ||||
| 
 | ||||
| // Writer is the interface that wraps the WriteFrame method, It writes
 | ||||
| // frm to the underlying data stream.
 | ||||
| type Writer interface { | ||||
| 	WriteFrame(frm Frame) error | ||||
| } | ||||
| 
 | ||||
| // debugFrameSize print frame data size on debug mode
 | ||||
| var debugFrameSize = 16 | ||||
| 
 | ||||
|  | @ -17,19 +36,45 @@ const ( | |||
| 	TagOfMetadata      Type = 0x03 | ||||
| 	TagOfTransactionId Type = 0x01 | ||||
| 	TagOfSourceId      Type = 0x02 | ||||
| 	TagOfBroadcast     Type = 0x04 | ||||
| 	// PayloadFrame of DataFrame
 | ||||
| 	TagOfPayloadFrame  Type = 0x2E | ||||
| 	TagOfBackFlowFrame Type = 0x2D | ||||
| 	TagOfPayloadFrame     Type = 0x2E | ||||
| 	TagOfPayloadDataTag   Type = 0x01 | ||||
| 	TagOfPayloadCarriage  Type = 0x02 | ||||
| 	TagOfBackFlowFrame    Type = 0x2D | ||||
| 	TagOfBackFlowDataTag  Type = 0x01 | ||||
| 	TagOfBackFlowCarriage Type = 0x02 | ||||
| 
 | ||||
| 	TagOfTokenFrame Type = 0x3E | ||||
| 
 | ||||
| 	// AuthenticationFrame
 | ||||
| 	TagOfAuthenticationFrame   Type = 0x03 | ||||
| 	TagOfAuthenticationName    Type = 0x04 | ||||
| 	TagOfAuthenticationPayload Type = 0x05 | ||||
| 
 | ||||
| 	// AuthenticationAckFrame
 | ||||
| 	TagOfAuthenticationAckFrame  Type = 0x11 | ||||
| 	TagOfAuthenticationAckOk     Type = 0x12 | ||||
| 	TagOfAuthenticationAckReason Type = 0x13 | ||||
| 
 | ||||
| 	// CloseStreamFrame
 | ||||
| 	TagOfCloseStreamFrame  Type = 0x14 | ||||
| 	TagOfCloseStreamID     Type = 0x15 | ||||
| 	TagOfCloseStreamReason Type = 0x16 | ||||
| 
 | ||||
| 	// HandshakeFrame
 | ||||
| 	TagOfHandshakeFrame           Type = 0x3D | ||||
| 	TagOfHandshakeName            Type = 0x01 | ||||
| 	TagOfHandshakeType            Type = 0x02 | ||||
| 	TagOfHandshakeStreamType      Type = 0x02 | ||||
| 	TagOfHandshakeId              Type = 0x03 | ||||
| 	TagOfHandshakeAuthName        Type = 0x04 | ||||
| 	TagOfHandshakeAuthPayload     Type = 0x05 | ||||
| 	TagOfHandshakeObserveDataTags Type = 0x06 | ||||
| 	TagOfHandshakeMetadata        Type = 0x07 | ||||
| 
 | ||||
| 	// TagOfHandshakeAckFrame
 | ||||
| 	TagOfHandshakeAckFrame    Type = 0x29 | ||||
| 	TagOfHandshakeAckStreamId Type = 0x28 | ||||
| 
 | ||||
| 	TagOfPingFrame       Type = 0x3C | ||||
| 	TagOfPongFrame       Type = 0x3B | ||||
|  | @ -60,6 +105,14 @@ func (f Type) String() string { | |||
| 		return "DataFrame" | ||||
| 	case TagOfTokenFrame: | ||||
| 		return "TokenFrame" | ||||
| 	case TagOfAuthenticationFrame: | ||||
| 		return "AuthenticationFrame" | ||||
| 	case TagOfAuthenticationAckFrame: | ||||
| 		return "AuthenticationAckFrame" | ||||
| 	case TagOfHandshakeAckFrame: | ||||
| 		return "HandshakeAckFrame" | ||||
| 	case TagOfCloseStreamFrame: | ||||
| 		return "CloseStreamFrame" | ||||
| 	case TagOfHandshakeFrame: | ||||
| 		return "HandshakeFrame" | ||||
| 	case TagOfPingFrame: | ||||
|  | @ -78,11 +131,9 @@ func (f Type) String() string { | |||
| 		return "MetaFrame" | ||||
| 	case TagOfPayloadFrame: | ||||
| 		return "PayloadFrame" | ||||
| 	// case TagOfTransactionId:
 | ||||
| 	// 	return "TransactionId"
 | ||||
| 	case TagOfHandshakeName: | ||||
| 		return "HandshakeName" | ||||
| 	case TagOfHandshakeType: | ||||
| 	case TagOfHandshakeStreamType: | ||||
| 		return "HandshakeType" | ||||
| 	default: | ||||
| 		return "UnknownFrame" | ||||
|  |  | |||
|  | @ -0,0 +1,20 @@ | |||
| package frame | ||||
| 
 | ||||
| import ( | ||||
| 	"testing" | ||||
| 
 | ||||
| 	"github.com/stretchr/testify/assert" | ||||
| ) | ||||
| 
 | ||||
| func TestGoawayFrameEncode(t *testing.T) { | ||||
| 	f := NewGoawayFrame("goaway") | ||||
| 	assert.Equal(t, "goaway", f.Message()) | ||||
| 	assert.Equal(t, []byte{0x80 | byte(TagOfGoawayFrame), 0x8, 0x2, 0x6, 0x67, 0x6f, 0x61, 0x77, 0x61, 0x79}, f.Encode()) | ||||
| } | ||||
| 
 | ||||
| func TestGoawayFrameDecode(t *testing.T) { | ||||
| 	buf := []byte{0x80 | byte(TagOfGoawayFrame), 0x8, 0x2, 0x6, 0x67, 0x6f, 0x61, 0x77, 0x61, 0x79} | ||||
| 	f, err := DecodeToGoawayFrame(buf) | ||||
| 	assert.NoError(t, err) | ||||
| 	assert.Equal(t, []byte{0x80 | byte(TagOfGoawayFrame), 0x8, 0x2, 0x6, 0x67, 0x6f, 0x61, 0x77, 0x61, 0x79}, f.Encode()) | ||||
| } | ||||
|  | @ -0,0 +1,59 @@ | |||
| package frame | ||||
| 
 | ||||
| import ( | ||||
| 	coder "git.hpds.cc/Component/mq_coder" | ||||
| ) | ||||
| 
 | ||||
| // HandshakeAckFrame is used to ack handshake, It is always that the first frame
 | ||||
| // is HandshakeAckFrame after client acquire a new stream.
 | ||||
| // HandshakeAckFrame is a coder encoded bytes.
 | ||||
| type HandshakeAckFrame struct { | ||||
| 	streamId string | ||||
| } | ||||
| 
 | ||||
| // NewHandshakeAckFrame returns a HandshakeAckFrame.
 | ||||
| func NewHandshakeAckFrame(streamId string) *HandshakeAckFrame { | ||||
| 	return &HandshakeAckFrame{streamId} | ||||
| } | ||||
| 
 | ||||
| // Type gets the type of the HandshakeAckFrame.
 | ||||
| func (f *HandshakeAckFrame) Type() Type { | ||||
| 	return TagOfHandshakeAckFrame | ||||
| } | ||||
| 
 | ||||
| // StreamId returns the id of stream be acked.
 | ||||
| func (f *HandshakeAckFrame) StreamId() string { | ||||
| 	return f.streamId | ||||
| } | ||||
| 
 | ||||
| // Encode encodes HandshakeAckFrame to coder encoded bytes.
 | ||||
| func (f *HandshakeAckFrame) Encode() []byte { | ||||
| 	ack := coder.NewNodePacketEncoder(byte(f.Type())) | ||||
| 	// streamId
 | ||||
| 	streamIDBlock := coder.NewPrimitivePacketEncoder(byte(TagOfHandshakeAckStreamId)) | ||||
| 	streamIDBlock.SetStringValue(f.streamId) | ||||
| 
 | ||||
| 	ack.AddPrimitivePacket(streamIDBlock) | ||||
| 
 | ||||
| 	return ack.Encode() | ||||
| } | ||||
| 
 | ||||
| // DecodeToHandshakeAckFrame decodes coder encoded bytes to HandshakeAckFrame
 | ||||
| func DecodeToHandshakeAckFrame(buf []byte) (*HandshakeAckFrame, error) { | ||||
| 	node := coder.NodePacket{} | ||||
| 	_, err := coder.DecodeToNodePacket(buf, &node) | ||||
| 	if err != nil { | ||||
| 		return nil, err | ||||
| 	} | ||||
| 
 | ||||
| 	ack := &HandshakeAckFrame{} | ||||
| 	// streamID
 | ||||
| 	if streamIDBlock, ok := node.PrimitivePackets[byte(TagOfHandshakeAckStreamId)]; ok { | ||||
| 		streamId, err := streamIDBlock.ToUTF8String() | ||||
| 		if err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 		ack.streamId = streamId | ||||
| 	} | ||||
| 	return ack, nil | ||||
| } | ||||
|  | @ -0,0 +1,25 @@ | |||
| package frame | ||||
| 
 | ||||
| import ( | ||||
| 	"testing" | ||||
| 
 | ||||
| 	"github.com/stretchr/testify/assert" | ||||
| ) | ||||
| 
 | ||||
| var handShakeAckTestBuf = []byte{0x80 | byte(TagOfHandshakeAckFrame), 0x8, 0x28, 0x6, 0x74, 0x68, 0x65, 0x2d, 0x69, 0x64} | ||||
| 
 | ||||
| var testStreamID = "the-id" | ||||
| 
 | ||||
| func TestHandshakeAckFrameEncode(t *testing.T) { | ||||
| 	f := NewHandshakeAckFrame(testStreamID) | ||||
| 	assert.Equal(t, TagOfHandshakeAckFrame, f.Type()) | ||||
| 	assert.Equal(t, handShakeAckTestBuf, f.Encode()) | ||||
| } | ||||
| 
 | ||||
| func TestHandshakeAckFrameDecode(t *testing.T) { | ||||
| 	f, err := DecodeToHandshakeAckFrame(handShakeAckTestBuf) | ||||
| 	assert.NoError(t, err) | ||||
| 	assert.Equal(t, TagOfHandshakeAckFrame, f.Type()) | ||||
| 	assert.Equal(t, testStreamID, f.StreamId()) | ||||
| 	assert.Equal(t, handShakeAckTestBuf, f.Encode()) | ||||
| } | ||||
|  | @ -1,68 +1,82 @@ | |||
| package frame | ||||
| 
 | ||||
| import ( | ||||
| 	"encoding/binary" | ||||
| 	coder "git.hpds.cc/Component/mq_coder" | ||||
| ) | ||||
| 
 | ||||
| // HandshakeFrame is a coder encoded.
 | ||||
| type HandshakeFrame struct { | ||||
| 	// Name is client name
 | ||||
| 	Name string | ||||
| 	// name is client name
 | ||||
| 	name string | ||||
| 	// ClientId represents client id
 | ||||
| 	ClientId string | ||||
| 	id string | ||||
| 	// ClientType represents client type (Protocol Gateway | Stream Function)
 | ||||
| 	ClientType byte | ||||
| 	streamType byte | ||||
| 	// ObserveDataTags are the client data tag list.
 | ||||
| 	ObserveDataTags []byte | ||||
| 	// auth
 | ||||
| 	authName    string | ||||
| 	authPayload string | ||||
| 	observeDataTags []Tag | ||||
| 	metadata        []byte | ||||
| } | ||||
| 
 | ||||
| // NewHandshakeFrame creates a new HandshakeFrame.
 | ||||
| func NewHandshakeFrame(name string, clientId string, clientType byte, observeDataTags []byte, authName string, authPayload string) *HandshakeFrame { | ||||
| func NewHandshakeFrame(name string, id string, stream byte, observeDataTags []Tag, metadata []byte) *HandshakeFrame { | ||||
| 	return &HandshakeFrame{ | ||||
| 		Name:            name, | ||||
| 		ClientId:        clientId, | ||||
| 		ClientType:      clientType, | ||||
| 		ObserveDataTags: observeDataTags, | ||||
| 		authName:        authName, | ||||
| 		authPayload:     authPayload, | ||||
| 		name:            name, | ||||
| 		id:              id, | ||||
| 		streamType:      stream, | ||||
| 		observeDataTags: observeDataTags, | ||||
| 		metadata:        metadata, | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // Type gets the type of Frame.
 | ||||
| func (h *HandshakeFrame) Type() Type { | ||||
| 	return TagOfHandshakeFrame | ||||
| } | ||||
| // Name is the name of dataStream.
 | ||||
| func (h *HandshakeFrame) Name() string { return h.name } | ||||
| 
 | ||||
| // ID represents the dataStream ID, the ID must be a unique string.
 | ||||
| func (h *HandshakeFrame) ID() string { return h.id } | ||||
| 
 | ||||
| // StreamType represents dataStream type (Source | SFN | UpstreamEmitter).
 | ||||
| // different StreamType has different behaviors in server side.
 | ||||
| func (h *HandshakeFrame) StreamType() byte { return h.streamType } | ||||
| 
 | ||||
| // ObserveDataTags are the stream data tag list.
 | ||||
| func (h *HandshakeFrame) ObserveDataTags() []Tag { return h.observeDataTags } | ||||
| 
 | ||||
| // Metadata holds stream metadata,
 | ||||
| // metadata stores information for route the data.
 | ||||
| func (h *HandshakeFrame) Metadata() []byte { return h.metadata } | ||||
| 
 | ||||
| // Type returns the type of HandshakeFrame.
 | ||||
| func (h *HandshakeFrame) Type() Type { return TagOfHandshakeFrame } | ||||
| 
 | ||||
| // Encode to coder encoding.
 | ||||
| func (h *HandshakeFrame) Encode() []byte { | ||||
| 	// name
 | ||||
| 	nameBlock := coder.NewPrimitivePacketEncoder(byte(TagOfHandshakeName)) | ||||
| 	nameBlock.SetStringValue(h.Name) | ||||
| 	// client ID
 | ||||
| 	nameBlock.SetStringValue(h.name) | ||||
| 	// ID
 | ||||
| 	idBlock := coder.NewPrimitivePacketEncoder(byte(TagOfHandshakeId)) | ||||
| 	idBlock.SetStringValue(h.ClientId) | ||||
| 	// client type
 | ||||
| 	typeBlock := coder.NewPrimitivePacketEncoder(byte(TagOfHandshakeType)) | ||||
| 	typeBlock.SetBytesValue([]byte{h.ClientType}) | ||||
| 	idBlock.SetStringValue(h.id) | ||||
| 	// stream type
 | ||||
| 	typeBlock := coder.NewPrimitivePacketEncoder(byte(TagOfHandshakeStreamType)) | ||||
| 	typeBlock.SetBytesValue([]byte{h.streamType}) | ||||
| 	// observe data tags
 | ||||
| 	observeDataTagsBlock := coder.NewPrimitivePacketEncoder(byte(TagOfHandshakeObserveDataTags)) | ||||
| 	observeDataTagsBlock.SetBytesValue(h.ObserveDataTags) | ||||
| 	// auth
 | ||||
| 	authNameBlock := coder.NewPrimitivePacketEncoder(byte(TagOfHandshakeAuthName)) | ||||
| 	authNameBlock.SetStringValue(h.authName) | ||||
| 	authPayloadBlock := coder.NewPrimitivePacketEncoder(byte(TagOfHandshakeAuthPayload)) | ||||
| 	authPayloadBlock.SetStringValue(h.authPayload) | ||||
| 	buf := make([]byte, 4) | ||||
| 	for _, v := range h.observeDataTags { | ||||
| 		binary.LittleEndian.PutUint32(buf, uint32(v)) | ||||
| 		observeDataTagsBlock.AddBytes(buf) | ||||
| 	} | ||||
| 	// metadata
 | ||||
| 	metadataBlock := coder.NewPrimitivePacketEncoder(byte(TagOfHandshakeMetadata)) | ||||
| 	metadataBlock.SetBytesValue(h.metadata) | ||||
| 	// handshake frame
 | ||||
| 	handshake := coder.NewNodePacketEncoder(byte(h.Type())) | ||||
| 	handshake.AddPrimitivePacket(nameBlock) | ||||
| 	handshake.AddPrimitivePacket(idBlock) | ||||
| 	handshake.AddPrimitivePacket(typeBlock) | ||||
| 	handshake.AddPrimitivePacket(observeDataTagsBlock) | ||||
| 	handshake.AddPrimitivePacket(authNameBlock) | ||||
| 	handshake.AddPrimitivePacket(authPayloadBlock) | ||||
| 	handshake.AddPrimitivePacket(metadataBlock) | ||||
| 
 | ||||
| 	return handshake.Encode() | ||||
| } | ||||
|  | @ -82,7 +96,7 @@ func DecodeToHandshakeFrame(buf []byte) (*HandshakeFrame, error) { | |||
| 		if err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 		handshake.Name = name | ||||
| 		handshake.name = name | ||||
| 	} | ||||
| 	// client id
 | ||||
| 	if idBlock, ok := node.PrimitivePackets[byte(TagOfHandshakeId)]; ok { | ||||
|  | @ -90,42 +104,27 @@ func DecodeToHandshakeFrame(buf []byte) (*HandshakeFrame, error) { | |||
| 		if err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 		handshake.ClientId = id | ||||
| 		handshake.id = id | ||||
| 	} | ||||
| 	// client type
 | ||||
| 	if typeBlock, ok := node.PrimitivePackets[byte(TagOfHandshakeType)]; ok { | ||||
| 		clientType := typeBlock.ToBytes() | ||||
| 		handshake.ClientType = clientType[0] | ||||
| 	if typeBlock, ok := node.PrimitivePackets[byte(TagOfHandshakeStreamType)]; ok { | ||||
| 		streamType := typeBlock.ToBytes() | ||||
| 		handshake.streamType = streamType[0] | ||||
| 	} | ||||
| 	// observe data tag list
 | ||||
| 	if observeDataTagsBlock, ok := node.PrimitivePackets[byte(TagOfHandshakeObserveDataTags)]; ok { | ||||
| 		handshake.ObserveDataTags = observeDataTagsBlock.ToBytes() | ||||
| 	} | ||||
| 	// auth
 | ||||
| 	if authNameBlock, ok := node.PrimitivePackets[byte(TagOfHandshakeAuthName)]; ok { | ||||
| 		authName, err := authNameBlock.ToUTF8String() | ||||
| 		if err != nil { | ||||
| 			return nil, err | ||||
| 		buf := observeDataTagsBlock.GetValBuf() | ||||
| 		length := len(buf) / 4 | ||||
| 		for i := 0; i < length; i++ { | ||||
| 			pos := i * 4 | ||||
| 			handshake.observeDataTags = append(handshake.observeDataTags, Tag(binary.LittleEndian.Uint32(buf[pos:pos+4]))) | ||||
| 		} | ||||
| 		handshake.authName = authName | ||||
| 	} | ||||
| 	if authPayloadBlock, ok := node.PrimitivePackets[byte(TagOfHandshakeAuthPayload)]; ok { | ||||
| 		authPayload, err := authPayloadBlock.ToUTF8String() | ||||
| 		if err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 		handshake.authPayload = authPayload | ||||
| 	// metadata
 | ||||
| 	if typeBlock, ok := node.PrimitivePackets[byte(TagOfHandshakeMetadata)]; ok { | ||||
| 		metadata := typeBlock.ToBytes() | ||||
| 		handshake.metadata = metadata | ||||
| 	} | ||||
| 
 | ||||
| 	return handshake, nil | ||||
| } | ||||
| 
 | ||||
| // AuthPayload authentication payload
 | ||||
| func (h *HandshakeFrame) AuthPayload() string { | ||||
| 	return h.authPayload | ||||
| } | ||||
| 
 | ||||
| // AuthName authentication name
 | ||||
| func (h *HandshakeFrame) AuthName() string { | ||||
| 	return h.authName | ||||
| } | ||||
|  |  | |||
|  | @ -6,25 +6,25 @@ import ( | |||
| 	"github.com/stretchr/testify/assert" | ||||
| ) | ||||
| 
 | ||||
| func TestHandshakeFrameEncode(t *testing.T) { | ||||
| 	expectedName := "1234" | ||||
| 	var expectedType byte = 0xD3 | ||||
| 	m := NewHandshakeFrame(expectedName, "", expectedType, []byte{0x01, 0x02}, "token", "a") | ||||
| 	assert.Equal(t, []byte{ | ||||
| 		0x80 | byte(TagOfHandshakeFrame), 0x19, | ||||
| 		byte(TagOfHandshakeName), 0x04, 0x31, 0x32, 0x33, 0x34, | ||||
| 		byte(TagOfHandshakeId), 0x0, | ||||
| 		byte(TagOfHandshakeType), 0x01, 0xD3, | ||||
| 		byte(TagOfHandshakeObserveDataTags), 0x02, 0x01, 0x02, | ||||
| 		// byte(TagOfHandshakeAppID), 0x0,
 | ||||
| 		byte(TagOfHandshakeAuthName), 0x05, 0x74, 0x6f, 0x6b, 0x65, 0x6e, | ||||
| 		byte(TagOfHandshakeAuthPayload), 0x01, 0x61, | ||||
| 	}, | ||||
| 		m.Encode(), | ||||
| func TestHandshakeFrame(t *testing.T) { | ||||
| 	var ( | ||||
| 		name            = "hpds" | ||||
| 		id              = "sdfsdfsd" | ||||
| 		streamType      = byte(0x5F) | ||||
| 		observeDataTags = []Tag{'a', 'b', 'c'} | ||||
| 		metadata        = []byte{'d', 'e', 'f'} | ||||
| 	) | ||||
| 
 | ||||
| 	Handshake, err := DecodeToHandshakeFrame(m.Encode()) | ||||
| 	f := NewHandshakeFrame(name, id, streamType, observeDataTags, metadata) | ||||
| 
 | ||||
| 	buf := f.Encode() | ||||
| 	got, err := DecodeToHandshakeFrame(buf) | ||||
| 
 | ||||
| 	assert.NoError(t, err) | ||||
| 	assert.EqualValues(t, expectedName, Handshake.Name) | ||||
| 	assert.EqualValues(t, expectedType, Handshake.ClientType) | ||||
| 
 | ||||
| 	assert.Equal(t, name, got.Name()) | ||||
| 	assert.Equal(t, id, got.ID()) | ||||
| 	assert.Equal(t, streamType, got.StreamType()) | ||||
| 	assert.Equal(t, observeDataTags, got.ObserveDataTags()) | ||||
| 	assert.Equal(t, metadata, got.Metadata()) | ||||
| } | ||||
|  |  | |||
|  | @ -11,9 +11,19 @@ import ( | |||
| // MetaFrame is a coder encoded bytes, SeqId is a fixed value of TYPE_ID_TRANSACTION.
 | ||||
| // used for describes metadata for a DataFrame.
 | ||||
| type MetaFrame struct { | ||||
| 	tid      string | ||||
| 	metadata []byte | ||||
| 	sourceId string | ||||
| 	tid       string | ||||
| 	metadata  []byte | ||||
| 	sourceId  string | ||||
| 	broadcast bool | ||||
| } | ||||
| 
 | ||||
| // randString genetates a random string.
 | ||||
| func randString() string { | ||||
| 	tid, err := gonanoid.New() | ||||
| 	if err != nil { | ||||
| 		tid = strconv.FormatInt(time.Now().UnixMicro(), 10) | ||||
| 	} | ||||
| 	return tid | ||||
| } | ||||
| 
 | ||||
| // NewMetaFrame creates a new MetaFrame instance.
 | ||||
|  | @ -55,15 +65,25 @@ func (m *MetaFrame) SourceId() string { | |||
| 	return m.sourceId | ||||
| } | ||||
| 
 | ||||
| // SetBroadcast set broadcast mode
 | ||||
| func (m *MetaFrame) SetBroadcast(enabled bool) { | ||||
| 	m.broadcast = enabled | ||||
| } | ||||
| 
 | ||||
| // IsBroadcast returns the broadcast mode is enabled
 | ||||
| func (m *MetaFrame) IsBroadcast() bool { | ||||
| 	return m.broadcast | ||||
| } | ||||
| 
 | ||||
| // Encode implements Frame.Encode method.
 | ||||
| func (m *MetaFrame) Encode() []byte { | ||||
| 	meta := coder.NewNodePacketEncoder(byte(TagOfMetaFrame)) | ||||
| 	// transaction ID
 | ||||
| 	// transaction Id
 | ||||
| 	transactionId := coder.NewPrimitivePacketEncoder(byte(TagOfTransactionId)) | ||||
| 	transactionId.SetStringValue(m.tid) | ||||
| 	meta.AddPrimitivePacket(transactionId) | ||||
| 
 | ||||
| 	// source ID
 | ||||
| 	// source Id
 | ||||
| 	sourceId := coder.NewPrimitivePacketEncoder(byte(TagOfSourceId)) | ||||
| 	sourceId.SetStringValue(m.sourceId) | ||||
| 	meta.AddPrimitivePacket(sourceId) | ||||
|  | @ -74,40 +94,47 @@ func (m *MetaFrame) Encode() []byte { | |||
| 		metadata.SetBytesValue(m.metadata) | ||||
| 		meta.AddPrimitivePacket(metadata) | ||||
| 	} | ||||
| 	// broadcast mode
 | ||||
| 	broadcast := coder.NewPrimitivePacketEncoder(byte(TagOfBroadcast)) | ||||
| 	broadcast.SetBoolValue(m.broadcast) | ||||
| 	meta.AddPrimitivePacket(broadcast) | ||||
| 
 | ||||
| 	return meta.Encode() | ||||
| } | ||||
| 
 | ||||
| // DecodeToMetaFrame decode a MetaFrame instance from given buffer.
 | ||||
| func DecodeToMetaFrame(buf []byte) (*MetaFrame, error) { | ||||
| func DecodeToMetaFrame(buf []byte, meta *MetaFrame) error { | ||||
| 	nodeBlock := coder.NodePacket{} | ||||
| 	_, err := coder.DecodeToNodePacket(buf, &nodeBlock) | ||||
| 	if err != nil { | ||||
| 		return nil, err | ||||
| 		return err | ||||
| 	} | ||||
| 
 | ||||
| 	meta := &MetaFrame{} | ||||
| 	//meta := &MetaFrame{}
 | ||||
| 	for k, v := range nodeBlock.PrimitivePackets { | ||||
| 		switch k { | ||||
| 		case byte(TagOfTransactionId): | ||||
| 			val, err := v.ToUTF8String() | ||||
| 			if err != nil { | ||||
| 				return nil, err | ||||
| 				return err | ||||
| 			} | ||||
| 			meta.tid = val | ||||
| 			break | ||||
| 		case byte(TagOfMetadata): | ||||
| 			meta.metadata = v.ToBytes() | ||||
| 			break | ||||
| 		case byte(TagOfSourceId): | ||||
| 			sourceId, err := v.ToUTF8String() | ||||
| 			if err != nil { | ||||
| 				return nil, err | ||||
| 				return err | ||||
| 			} | ||||
| 			meta.sourceId = sourceId | ||||
| 			break | ||||
| 		case byte(TagOfBroadcast): | ||||
| 			broadcast, err := v.ToBool() | ||||
| 			if err != nil { | ||||
| 				return err | ||||
| 			} | ||||
| 			meta.broadcast = broadcast | ||||
| 		} | ||||
| 	} | ||||
| 
 | ||||
| 	return meta, nil | ||||
| 	return nil | ||||
| } | ||||
|  |  | |||
|  | @ -7,19 +7,22 @@ import ( | |||
| ) | ||||
| 
 | ||||
| func TestMetaFrameEncode(t *testing.T) { | ||||
| 	m := NewMetaFrame() | ||||
| 	tidbuf := []byte(m.tid) | ||||
| 	result := []byte{0x80 | byte(TagOfMetaFrame), byte(1 + 1 + len(tidbuf) + 2), byte(TagOfTransactionId), byte(len(tidbuf))} | ||||
| 	result = append(result, tidbuf...) | ||||
| 	m := &MetaFrame{tid: randString()} | ||||
| 	m.SetBroadcast(true) | ||||
| 	tidBuf := []byte(m.tid) | ||||
| 	result := []byte{0x80 | byte(TagOfMetaFrame), byte(1 + 1 + len(tidBuf) + 2 + 3), byte(TagOfTransactionId), byte(len(tidBuf))} | ||||
| 	result = append(result, tidBuf...) | ||||
| 	result = append(result, byte(TagOfSourceId), 0x0) | ||||
| 	result = append(result, byte(TagOfBroadcast), 0x1, 0x1) | ||||
| 	assert.Equal(t, result, m.Encode()) | ||||
| } | ||||
| 
 | ||||
| func TestMetaFrameDecode(t *testing.T) { | ||||
| 	buf := []byte{0x80 | byte(TagOfMetaFrame), 0x09, byte(TagOfTransactionId), 0x04, 0x31, 0x32, 0x33, 0x34, byte(TagOfSourceId), 0x01, 0x31} | ||||
| 	meta, err := DecodeToMetaFrame(buf) | ||||
| 	buf := []byte{0x80 | byte(TagOfMetaFrame), 0x0C, byte(TagOfTransactionId), 0x04, 0x31, 0x32, 0x33, 0x34, byte(TagOfSourceId), 0x01, 0x31, byte(TagOfBroadcast), 0x01, 0x01} | ||||
| 	meta := &MetaFrame{} | ||||
| 	err := DecodeToMetaFrame(buf, meta) | ||||
| 	assert.NoError(t, err) | ||||
| 	assert.EqualValues(t, "1234", meta.TransactionId()) | ||||
| 	assert.EqualValues(t, "1", meta.SourceId()) | ||||
| 	t.Logf("%# x", buf) | ||||
| 	assert.EqualValues(t, true, meta.IsBroadcast()) | ||||
| } | ||||
|  |  | |||
|  | @ -4,20 +4,22 @@ import ( | |||
| 	coder "git.hpds.cc/Component/mq_coder" | ||||
| ) | ||||
| 
 | ||||
| type Tag uint32 | ||||
| 
 | ||||
| // PayloadFrame is a coder encoded bytes, Tag is a fixed value TYPE_ID_PAYLOAD_FRAME
 | ||||
| // the Len is the length of Val. Val is also a coder encoded PrimitivePacket, storing
 | ||||
| // raw bytes as user's data
 | ||||
| type PayloadFrame struct { | ||||
| 	Tag      byte | ||||
| 	Tag      Tag | ||||
| 	Carriage []byte | ||||
| } | ||||
| 
 | ||||
| // NewPayloadFrame creates a new PayloadFrame with a given TagId of user's data
 | ||||
| func NewPayloadFrame(tag byte) *PayloadFrame { | ||||
| 	return &PayloadFrame{ | ||||
| 		Tag: tag, | ||||
| 	} | ||||
| } | ||||
| //// NewPayloadFrame creates a new PayloadFrame with a given TagId of user's data
 | ||||
| //func NewPayloadFrame(tag byte) *PayloadFrame {
 | ||||
| //	return &PayloadFrame{
 | ||||
| //		Tag: tag,
 | ||||
| //	}
 | ||||
| //}
 | ||||
| 
 | ||||
| // SetCarriage sets the user's raw data
 | ||||
| func (m *PayloadFrame) SetCarriage(buf []byte) *PayloadFrame { | ||||
|  | @ -27,29 +29,38 @@ func (m *PayloadFrame) SetCarriage(buf []byte) *PayloadFrame { | |||
| 
 | ||||
| // Encode to coder encoded bytes
 | ||||
| func (m *PayloadFrame) Encode() []byte { | ||||
| 	carriage := coder.NewPrimitivePacketEncoder(m.Tag) | ||||
| 	tag := coder.NewPrimitivePacketEncoder(byte(TagOfPayloadDataTag)) | ||||
| 	tag.SetUInt32Value(uint32(m.Tag)) | ||||
| 
 | ||||
| 	carriage := coder.NewPrimitivePacketEncoder(byte(TagOfPayloadCarriage)) | ||||
| 	carriage.SetBytesValue(m.Carriage) | ||||
| 
 | ||||
| 	payload := coder.NewNodePacketEncoder(byte(TagOfPayloadFrame)) | ||||
| 	payload.AddPrimitivePacket(tag) | ||||
| 	payload.AddPrimitivePacket(carriage) | ||||
| 
 | ||||
| 	return payload.Encode() | ||||
| } | ||||
| 
 | ||||
| // DecodeToPayloadFrame decodes coder encoded bytes to PayloadFrame
 | ||||
| func DecodeToPayloadFrame(buf []byte) (*PayloadFrame, error) { | ||||
| func DecodeToPayloadFrame(buf []byte, payload *PayloadFrame) error { | ||||
| 	nodeBlock := coder.NodePacket{} | ||||
| 	_, err := coder.DecodeToNodePacket(buf, &nodeBlock) | ||||
| 	if err != nil { | ||||
| 		return nil, err | ||||
| 		return err | ||||
| 	} | ||||
| 
 | ||||
| 	payload := &PayloadFrame{} | ||||
| 	for _, v := range nodeBlock.PrimitivePackets { | ||||
| 		payload.Tag = v.SeqId() | ||||
| 		payload.Carriage = v.GetValBuf() | ||||
| 		break | ||||
| 	if p, ok := nodeBlock.PrimitivePackets[byte(TagOfPayloadDataTag)]; ok { | ||||
| 		tag, err := p.ToUInt32() | ||||
| 		if err != nil { | ||||
| 			return err | ||||
| 		} | ||||
| 		payload.Tag = Tag(tag) | ||||
| 	} | ||||
| 
 | ||||
| 	return payload, nil | ||||
| 	if p, ok := nodeBlock.PrimitivePackets[byte(TagOfPayloadCarriage)]; ok { | ||||
| 		payload.Carriage = p.GetValBuf() | ||||
| 	} | ||||
| 
 | ||||
| 	return nil | ||||
| } | ||||
|  |  | |||
|  | @ -7,14 +7,19 @@ import ( | |||
| ) | ||||
| 
 | ||||
| func TestPayloadFrameEncode(t *testing.T) { | ||||
| 	f := NewPayloadFrame(0x13).SetCarriage([]byte("hpds")) | ||||
| 	assert.Equal(t, []byte{0x80 | byte(TagOfPayloadFrame), 0x06, 0x13, 0x04, 0x68, 0x70, 0x64, 0x73}, f.Encode()) | ||||
| 	f := &PayloadFrame{ | ||||
| 		Tag(0x13), | ||||
| 		[]byte("yomo"), | ||||
| 	} | ||||
| 	f.SetCarriage([]byte("yomo")) | ||||
| 	assert.Equal(t, []byte{0x80 | byte(TagOfPayloadFrame), 0x9, 0x1, 0x1, 0x13, 0x2, 0x04, 0x79, 0x6F, 0x6D, 0x6F}, f.Encode()) | ||||
| } | ||||
| 
 | ||||
| func TestPayloadFrameDecode(t *testing.T) { | ||||
| 	buf := []byte{0x80 | byte(TagOfPayloadFrame), 0x06, 0x13, 0x04, 0x68, 0x70, 0x64, 0x73} | ||||
| 	payload, err := DecodeToPayloadFrame(buf) | ||||
| 	buf := []byte{0x80 | byte(TagOfPayloadFrame), 0x9, 0x1, 0x1, 0x13, 0x2, 0x04, 0x79, 0x6F, 0x6D, 0x6F} | ||||
| 	payload := new(PayloadFrame) | ||||
| 	err := DecodeToPayloadFrame(buf, payload) | ||||
| 	assert.NoError(t, err) | ||||
| 	assert.EqualValues(t, 0x13, payload.Tag) | ||||
| 	assert.Equal(t, []byte{0x68, 0x70, 0x64, 0x73}, payload.Carriage) | ||||
| 	assert.Equal(t, []byte{0x79, 0x6F, 0x6D, 0x6F}, payload.Carriage) | ||||
| } | ||||
|  |  | |||
|  | @ -8,6 +8,9 @@ import ( | |||
| 	"git.hpds.cc/Component/network/frame" | ||||
| ) | ||||
| 
 | ||||
| // ErrStreamNil be returned if FrameStream underlying stream is nil.
 | ||||
| var ErrStreamNil = errors.New("hpdsMq: frame stream underlying is nil") | ||||
| 
 | ||||
| // FrameStream is the QUIC Stream with the minimum unit Frame.
 | ||||
| type FrameStream struct { | ||||
| 	// Stream is a QUIC stream.
 | ||||
|  | @ -16,27 +19,25 @@ type FrameStream struct { | |||
| } | ||||
| 
 | ||||
| // NewFrameStream creates a new FrameStream.
 | ||||
| func NewFrameStream(s io.ReadWriter) *FrameStream { | ||||
| 	return &FrameStream{ | ||||
| 		stream: s, | ||||
| 		mu:     sync.Mutex{}, | ||||
| 	} | ||||
| func NewFrameStream(s io.ReadWriter) frame.ReadWriter { | ||||
| 	return &FrameStream{stream: s} | ||||
| } | ||||
| 
 | ||||
| // ReadFrame reads next frame from QUIC stream.
 | ||||
| func (fs *FrameStream) ReadFrame() (frame.Frame, error) { | ||||
| 	if fs.stream == nil { | ||||
| 		return nil, errors.New("network.ReadStream: stream can not be nil") | ||||
| 		return nil, ErrStreamNil | ||||
| 	} | ||||
| 	return ParseFrame(fs.stream) | ||||
| } | ||||
| 
 | ||||
| // WriteFrame writes a frame into QUIC stream.
 | ||||
| func (fs *FrameStream) WriteFrame(f frame.Frame) (int, error) { | ||||
| func (fs *FrameStream) WriteFrame(frm frame.Frame) error { | ||||
| 	if fs.stream == nil { | ||||
| 		return 0, errors.New("network.WriteFrame: stream can not be nil") | ||||
| 		return ErrStreamNil | ||||
| 	} | ||||
| 	fs.mu.Lock() | ||||
| 	defer fs.mu.Unlock() | ||||
| 	return fs.stream.Write(f.Encode()) | ||||
| 	_, err := fs.stream.Write(frm.Encode()) | ||||
| 	return err | ||||
| } | ||||
|  |  | |||
							
								
								
									
										25
									
								
								go.mod
								
								
								
								
							
							
						
						
									
										25
									
								
								go.mod
								
								
								
								
							|  | @ -4,8 +4,8 @@ go 1.19 | |||
| 
 | ||||
| require ( | ||||
| 	git.hpds.cc/Component/mq_coder v0.0.0-20221010064749-174ae7ae3340 | ||||
| 	github.com/lucas-clemente/quic-go v0.29.1 | ||||
| 	github.com/matoous/go-nanoid/v2 v2.0.0 | ||||
| 	github.com/quic-go/quic-go v0.33.0 | ||||
| 	github.com/stretchr/testify v1.8.0 | ||||
| 	go.uber.org/zap v1.23.0 | ||||
| 	gopkg.in/natefinch/lumberjack.v2 v2.0.0 | ||||
|  | @ -14,24 +14,21 @@ require ( | |||
| require ( | ||||
| 	github.com/BurntSushi/toml v1.2.0 // indirect | ||||
| 	github.com/davecgh/go-spew v1.1.1 // indirect | ||||
| 	github.com/fsnotify/fsnotify v1.4.9 // indirect | ||||
| 	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect | ||||
| 	github.com/golang/mock v1.6.0 // indirect | ||||
| 	github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 // indirect | ||||
| 	github.com/kr/pretty v0.3.1 // indirect | ||||
| 	github.com/marten-seemann/qtls-go1-18 v0.1.2 // indirect | ||||
| 	github.com/marten-seemann/qtls-go1-19 v0.1.0 // indirect | ||||
| 	github.com/nxadm/tail v1.4.8 // indirect | ||||
| 	github.com/onsi/ginkgo v1.16.4 // indirect | ||||
| 	github.com/onsi/ginkgo/v2 v2.2.0 // indirect | ||||
| 	github.com/pmezard/go-difflib v1.0.0 // indirect | ||||
| 	github.com/quic-go/qtls-go1-19 v0.2.1 // indirect | ||||
| 	github.com/quic-go/qtls-go1-20 v0.1.1 // indirect | ||||
| 	go.uber.org/atomic v1.7.0 // indirect | ||||
| 	go.uber.org/multierr v1.6.0 // indirect | ||||
| 	golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 // indirect | ||||
| 	golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e // indirect | ||||
| 	golang.org/x/mod v0.6.0-dev.0.20220106191415-9b9b3d81d5e3 // indirect | ||||
| 	golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e // indirect | ||||
| 	golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a // indirect | ||||
| 	golang.org/x/tools v0.1.10 // indirect | ||||
| 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect | ||||
| 	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect | ||||
| 	golang.org/x/crypto v0.4.0 // indirect | ||||
| 	golang.org/x/exp v0.0.0-20221205204356-47842c84f3db // indirect | ||||
| 	golang.org/x/mod v0.6.0 // indirect | ||||
| 	golang.org/x/net v0.4.0 // indirect | ||||
| 	golang.org/x/sys v0.3.0 // indirect | ||||
| 	golang.org/x/tools v0.2.0 // indirect | ||||
| 	gopkg.in/yaml.v3 v3.0.1 // indirect | ||||
| ) | ||||
|  |  | |||
|  | @ -3,33 +3,44 @@ package hpds_err | |||
| import ( | ||||
| 	"fmt" | ||||
| 
 | ||||
| 	quic "github.com/lucas-clemente/quic-go" | ||||
| 	quic "github.com/quic-go/quic-go" | ||||
| ) | ||||
| 
 | ||||
| // HpdsError hpds error
 | ||||
| type HpdsError struct { | ||||
| type HpdsError interface { | ||||
| 	error | ||||
| 	// ErrorCode getter method
 | ||||
| 	ErrorCode() ErrorCode | ||||
| } | ||||
| 
 | ||||
| type hpdsError struct { | ||||
| 	errorCode ErrorCode | ||||
| 	err       error | ||||
| } | ||||
| 
 | ||||
| // New create hpds error
 | ||||
| func New(code ErrorCode, err error) *HpdsError { | ||||
| 	return &HpdsError{ | ||||
| func New(code ErrorCode, err error) HpdsError { | ||||
| 	return &hpdsError{ | ||||
| 		errorCode: code, | ||||
| 		err:       err, | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| func (e *HpdsError) Error() string { | ||||
| func (e *hpdsError) Error() string { | ||||
| 	return fmt.Sprintf("%s error: message=%s", e.errorCode, e.err.Error()) | ||||
| } | ||||
| 
 | ||||
| // ErrorCode getter method
 | ||||
| func (e *hpdsError) ErrorCode() ErrorCode { | ||||
| 	return e.errorCode | ||||
| } | ||||
| 
 | ||||
| // ErrorCode error code
 | ||||
| type ErrorCode uint64 | ||||
| 
 | ||||
| const ( | ||||
| 	// ErrorCodeClientAbort client abort
 | ||||
| 	ErrorCodeClientAbort ErrorCode = 0x00 | ||||
| 	ErrorCodeClientAbort ErrorCode = 0xC7 | ||||
| 	// ErrorCodeUnknown unknown error
 | ||||
| 	ErrorCodeUnknown ErrorCode = 0xC0 | ||||
| 	// ErrorCodeClosed net closed
 | ||||
|  | @ -52,6 +63,7 @@ const ( | |||
| 	ErrorCodeUnknownClient ErrorCode = 0xCD | ||||
| 	// ErrorCodeDuplicateName unknown client error
 | ||||
| 	ErrorCodeDuplicateName ErrorCode = 0xC6 | ||||
| 	ErrorCodeStartHandler  ErrorCode = 0xC8 | ||||
| ) | ||||
| 
 | ||||
| func (e ErrorCode) String() string { | ||||
|  | @ -80,24 +92,26 @@ func (e ErrorCode) String() string { | |||
| 		return "UnknownClient" | ||||
| 	case ErrorCodeDuplicateName: | ||||
| 		return "DuplicateName" | ||||
| 	case ErrorCodeStartHandler: | ||||
| 		return "StartHandler" | ||||
| 	default: | ||||
| 		return "XXX" | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // Is parse quic ApplicationErrorCode to hpds ErrorCode
 | ||||
| func Is(he quic.ApplicationErrorCode, yerr ErrorCode) bool { | ||||
| 	return uint64(he) == uint64(yerr) | ||||
| func Is(he quic.ApplicationErrorCode, err ErrorCode) bool { | ||||
| 	return uint64(he) == uint64(err) | ||||
| } | ||||
| 
 | ||||
| // Parse parse quic ApplicationErrorCode
 | ||||
| func Parse(he quic.ApplicationErrorCode) ErrorCode { | ||||
| 	return ErrorCode(he) | ||||
| func Parse(err quic.ApplicationErrorCode) ErrorCode { | ||||
| 	return ErrorCode(err) | ||||
| } | ||||
| 
 | ||||
| // To convert hpds ErrorCode to quic ApplicationErrorCode
 | ||||
| func To(code ErrorCode) quic.ApplicationErrorCode { | ||||
| 	return quic.ApplicationErrorCode(code) | ||||
| func (e ErrorCode) To() quic.ApplicationErrorCode { | ||||
| 	return quic.ApplicationErrorCode(e) | ||||
| } | ||||
| 
 | ||||
| // DuplicateNameError duplicate name(sfn)
 | ||||
|  | @ -119,6 +133,11 @@ func (e DuplicateNameError) Error() string { | |||
| 	return e.err.Error() | ||||
| } | ||||
| 
 | ||||
| // ErrorCode getter method
 | ||||
| func (e DuplicateNameError) ErrorCode() ErrorCode { | ||||
| 	return ErrorCodeDuplicateName | ||||
| } | ||||
| 
 | ||||
| // ConnId duplicate connection ID
 | ||||
| func (e DuplicateNameError) ConnId() string { | ||||
| 	return e.connId | ||||
|  |  | |||
|  | @ -3,7 +3,7 @@ package network | |||
| import ( | ||||
| 	"crypto/tls" | ||||
| 	"git.hpds.cc/Component/network/log" | ||||
| 	"github.com/lucas-clemente/quic-go" | ||||
| 	"github.com/quic-go/quic-go" | ||||
| 	"net" | ||||
| 	"time" | ||||
| 
 | ||||
|  | @ -43,7 +43,7 @@ func newListener(conn net.PacketConn, tlsConfig *tls.Config, quicConfig *quic.Co | |||
| 	if tlsConfig == nil { | ||||
| 		tc, err := pkgtls.CreateServerTLSConfig(conn.LocalAddr().String()) | ||||
| 		if err != nil { | ||||
| 			log.Errorf("%sCreateServerTLSConfig: %v", ServerLogPrefix, err) | ||||
| 			log.Errorf("CreateServerTLSConfig: %v", err) | ||||
| 			return &defaultListener{}, err | ||||
| 		} | ||||
| 		tlsConfig = tc | ||||
|  | @ -55,7 +55,7 @@ func newListener(conn net.PacketConn, tlsConfig *tls.Config, quicConfig *quic.Co | |||
| 
 | ||||
| 	quicListener, err := quic.Listen(conn, tlsConfig, quicConfig) | ||||
| 	if err != nil { | ||||
| 		log.Errorf("%squic Listen: %v", ServerLogPrefix, err) | ||||
| 		log.Errorf("quic Listen: %v", err) | ||||
| 		return &defaultListener{}, err | ||||
| 	} | ||||
| 
 | ||||
|  |  | |||
							
								
								
									
										17
									
								
								metadata.go
								
								
								
								
							
							
						
						
									
										17
									
								
								metadata.go
								
								
								
								
							|  | @ -1,17 +0,0 @@ | |||
| package network | ||||
| 
 | ||||
| import "git.hpds.cc/Component/network/frame" | ||||
| 
 | ||||
| // Metadata is used for storing extra info of the application
 | ||||
| type Metadata interface { | ||||
| 	// Encode is the serialize method
 | ||||
| 	Encode() []byte | ||||
| } | ||||
| 
 | ||||
| // MetadataBuilder is the builder of Metadata
 | ||||
| type MetadataBuilder interface { | ||||
| 	// Build will return a Metadata instance according to the handshake frame passed in
 | ||||
| 	Build(f *frame.HandshakeFrame) (Metadata, error) | ||||
| 	// Decode is the deserialize method
 | ||||
| 	Decode(buf []byte) (Metadata, error) | ||||
| } | ||||
|  | @ -0,0 +1,38 @@ | |||
| // Package metadata provides a default implements of `Metadata`.
 | ||||
| package metadata | ||||
| 
 | ||||
| import ( | ||||
| 	"git.hpds.cc/Component/network/frame" | ||||
| ) | ||||
| 
 | ||||
| var _ Metadata = &Default{} | ||||
| 
 | ||||
| // Default returns an implement of `Metadata`,
 | ||||
| // the default `Metadata` do not store anything.
 | ||||
| type Default struct{} | ||||
| 
 | ||||
| // Encode returns nil, It indicates the application do not have metadata.
 | ||||
| func (m *Default) Encode() []byte { | ||||
| 	return nil | ||||
| } | ||||
| 
 | ||||
| type defaultBuilder struct { | ||||
| 	m *Default | ||||
| } | ||||
| 
 | ||||
| // DefaultBuilder returns an implement of `Builder`,
 | ||||
| // the default builder only return default `Metadata`, the default `Metadata`
 | ||||
| // do not store anything.
 | ||||
| func DefaultBuilder() Builder { | ||||
| 	return &defaultBuilder{ | ||||
| 		m: &Default{}, | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| func (builder *defaultBuilder) Build(f *frame.HandshakeFrame) (Metadata, error) { | ||||
| 	return builder.m, nil | ||||
| } | ||||
| 
 | ||||
| func (builder *defaultBuilder) Decode(buf []byte) (Metadata, error) { | ||||
| 	return builder.m, nil | ||||
| } | ||||
|  | @ -0,0 +1,21 @@ | |||
| package metadata | ||||
| 
 | ||||
| import ( | ||||
| 	"testing" | ||||
| 
 | ||||
| 	"github.com/stretchr/testify/assert" | ||||
| ) | ||||
| 
 | ||||
| func TestMetadata(t *testing.T) { | ||||
| 	builder := DefaultBuilder() | ||||
| 
 | ||||
| 	m, err := builder.Build(nil) | ||||
| 
 | ||||
| 	assert.NoError(t, err) | ||||
| 	assert.Equal(t, []uint8([]byte(nil)), m.Encode()) | ||||
| 
 | ||||
| 	de, err := builder.Decode([]byte{}) | ||||
| 
 | ||||
| 	assert.NoError(t, err) | ||||
| 	assert.Equal(t, m, de) | ||||
| } | ||||
|  | @ -0,0 +1,21 @@ | |||
| // Package metadata defines `Metadata` and the `Builder`.
 | ||||
| package metadata | ||||
| 
 | ||||
| import "git.hpds.cc/Component/network/frame" | ||||
| 
 | ||||
| // Metadata is used for storing extra info of the application.
 | ||||
| type Metadata interface { | ||||
| 	// Encode is the serialize method,
 | ||||
| 	// That represents the Metadata can be transmitted.
 | ||||
| 	Encode() []byte | ||||
| } | ||||
| 
 | ||||
| // Builder is the builder of Metadata.
 | ||||
| // the metadata usually be built from `HandshakeFrame`,
 | ||||
| // and It can be decode as byte array for io transmission.
 | ||||
| type Builder interface { | ||||
| 	// Build returns a Metadata instance according to the handshake frame passed in.
 | ||||
| 	Build(f *frame.HandshakeFrame) (Metadata, error) | ||||
| 	// Decode is the deserialize method
 | ||||
| 	Decode(buf []byte) (Metadata, error) | ||||
| } | ||||
|  | @ -15,16 +15,11 @@ func ParseFrame(stream io.Reader) (frame.Frame, error) { | |||
| 	} | ||||
| 
 | ||||
| 	frameType := buf[0] | ||||
| 	// determine the frame type
 | ||||
| 	switch frameType { | ||||
| 	case 0x80 | byte(frame.TagOfHandshakeFrame): | ||||
| 		handshakeFrame, err := readHandshakeFrame(buf) | ||||
| 		// logger.Debugf("%sHandshakeFrame: name=%s, type=%s", ParseFrameLogPrefix, handshakeFrame.Name, handshakeFrame.Type())
 | ||||
| 		return handshakeFrame, err | ||||
| 		return frame.DecodeToHandshakeFrame(buf) | ||||
| 	case 0x80 | byte(frame.TagOfDataFrame): | ||||
| 		data, err := readDataFrame(buf) | ||||
| 		// logger.Debugf("%sDataFrame: tid=%s, tag=%#x, len(carriage)=%d", ParseFrameLogPrefix, data.TransactionID(), data.GetDataTag(), len(data.GetCarriage()))
 | ||||
| 		return data, err | ||||
| 		return frame.DecodeToDataFrame(buf) | ||||
| 	case 0x80 | byte(frame.TagOfAcceptedFrame): | ||||
| 		return frame.DecodeToAcceptedFrame(buf) | ||||
| 	case 0x80 | byte(frame.TagOfRejectedFrame): | ||||
|  | @ -33,15 +28,15 @@ func ParseFrame(stream io.Reader) (frame.Frame, error) { | |||
| 		return frame.DecodeToGoawayFrame(buf) | ||||
| 	case 0x80 | byte(frame.TagOfBackFlowFrame): | ||||
| 		return frame.DecodeToBackFlowFrame(buf) | ||||
| 	case 0x80 | byte(frame.TagOfHandshakeAckFrame): | ||||
| 		return frame.DecodeToHandshakeAckFrame(buf) | ||||
| 	case 0x80 | byte(frame.TagOfAuthenticationFrame): | ||||
| 		return frame.DecodeToAuthenticationFrame(buf) | ||||
| 	case 0x80 | byte(frame.TagOfAuthenticationAckFrame): | ||||
| 		return frame.DecodeToAuthenticationRespFrame(buf) | ||||
| 	case 0x80 | (byte(frame.TagOfCloseStreamFrame)): | ||||
| 		return frame.DecodeToCloseStreamFrame(buf) | ||||
| 	default: | ||||
| 		return nil, fmt.Errorf("unknown frame type, buf[0]=%#x", buf[0]) | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| func readHandshakeFrame(buf []byte) (*frame.HandshakeFrame, error) { | ||||
| 	return frame.DecodeToHandshakeFrame(buf) | ||||
| } | ||||
| 
 | ||||
| func readDataFrame(buf []byte) (*frame.DataFrame, error) { | ||||
| 	return frame.DecodeToDataFrame(buf) | ||||
| } | ||||
|  |  | |||
|  | @ -0,0 +1,112 @@ | |||
| // Package router providers a default implement of `router` and `Route`.
 | ||||
| package router | ||||
| 
 | ||||
| import ( | ||||
| 	"fmt" | ||||
| 	"sync" | ||||
| 
 | ||||
| 	"git.hpds.cc/Component/network/frame" | ||||
| 	herr "git.hpds.cc/Component/network/hpds_err" | ||||
| 	"git.hpds.cc/Component/network/metadata" | ||||
| ) | ||||
| 
 | ||||
| // DefaultRouter providers a default implement of `router`,
 | ||||
| // It routes the data according to obverse tag or connId.
 | ||||
| type DefaultRouter struct { | ||||
| 	r *defaultRoute | ||||
| } | ||||
| 
 | ||||
| // Default return the DefaultRouter.
 | ||||
| func Default(functions []string) Router { | ||||
| 	return &DefaultRouter{r: newRoute(functions)} | ||||
| } | ||||
| 
 | ||||
| // Route get route from metadata.
 | ||||
| func (r *DefaultRouter) Route(metadata metadata.Metadata) Route { | ||||
| 	return r.r | ||||
| } | ||||
| 
 | ||||
| // Clean router.
 | ||||
| func (r *DefaultRouter) Clean() { | ||||
| 	r.r.mu.Lock() | ||||
| 	defer r.r.mu.Unlock() | ||||
| 
 | ||||
| 	for key := range r.r.data { | ||||
| 		delete(r.r.data, key) | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| type defaultRoute struct { | ||||
| 	functions []string | ||||
| 	data      map[frame.Tag]map[string]string | ||||
| 	mu        sync.RWMutex | ||||
| } | ||||
| 
 | ||||
| func newRoute(functions []string) *defaultRoute { | ||||
| 	return &defaultRoute{ | ||||
| 		functions: functions, | ||||
| 		data:      make(map[frame.Tag]map[string]string), | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| func (r *defaultRoute) Add(connId string, name string, observeDataTags []frame.Tag) (err error) { | ||||
| 	r.mu.Lock() | ||||
| 	defer r.mu.Unlock() | ||||
| 
 | ||||
| 	ok := false | ||||
| 	for _, v := range r.functions { | ||||
| 		if v == name { | ||||
| 			ok = true | ||||
| 			break | ||||
| 		} | ||||
| 	} | ||||
| 	if !ok { | ||||
| 		return fmt.Errorf("SFN[%s] does not exist in config functions", name) | ||||
| 	} | ||||
| 
 | ||||
| LOOP: | ||||
| 	for _, conn := range r.data { | ||||
| 		for connId, n := range conn { | ||||
| 			if n == name { | ||||
| 				err = herr.NewDuplicateNameError(connId, fmt.Errorf("SFN[%s] is already linked to another connection", name)) | ||||
| 				delete(conn, connId) | ||||
| 				break LOOP | ||||
| 			} | ||||
| 		} | ||||
| 	} | ||||
| 
 | ||||
| 	for _, tag := range observeDataTags { | ||||
| 		conn := r.data[tag] | ||||
| 		if conn == nil { | ||||
| 			conn = make(map[string]string) | ||||
| 			r.data[tag] = conn | ||||
| 		} | ||||
| 		r.data[tag][connId] = name | ||||
| 	} | ||||
| 
 | ||||
| 	return err | ||||
| } | ||||
| 
 | ||||
| func (r *defaultRoute) Remove(connId string) error { | ||||
| 	r.mu.Lock() | ||||
| 	defer r.mu.Unlock() | ||||
| 
 | ||||
| 	for _, conn := range r.data { | ||||
| 		delete(conn, connId) | ||||
| 	} | ||||
| 
 | ||||
| 	return nil | ||||
| } | ||||
| 
 | ||||
| func (r *defaultRoute) GetForwardRoutes(tag frame.Tag) []string { | ||||
| 	r.mu.RLock() | ||||
| 	defer r.mu.RUnlock() | ||||
| 
 | ||||
| 	var keys []string | ||||
| 	if conn := r.data[tag]; conn != nil { | ||||
| 		for k := range conn { | ||||
| 			keys = append(keys, k) | ||||
| 		} | ||||
| 	} | ||||
| 	return keys | ||||
| } | ||||
|  | @ -0,0 +1,40 @@ | |||
| package router | ||||
| 
 | ||||
| import ( | ||||
| 	"testing" | ||||
| 
 | ||||
| 	"git.hpds.cc/Component/network/frame" | ||||
| 	"git.hpds.cc/Component/network/metadata" | ||||
| 	"github.com/stretchr/testify/assert" | ||||
| ) | ||||
| 
 | ||||
| func TestRouter(t *testing.T) { | ||||
| 	router := Default([]string{"sfn-1"}) | ||||
| 
 | ||||
| 	m := &metadata.Default{} | ||||
| 
 | ||||
| 	route := router.Route(m) | ||||
| 
 | ||||
| 	err := route.Add("conn-1", "sfn-1", []frame.Tag{frame.Tag(1)}) | ||||
| 	assert.NoError(t, err) | ||||
| 
 | ||||
| 	ids := route.GetForwardRoutes(frame.Tag(1)) | ||||
| 	assert.Equal(t, []string{"conn-1"}, ids) | ||||
| 
 | ||||
| 	err = route.Add("conn-2", "sfn-2", []frame.Tag{frame.Tag(2)}) | ||||
| 	assert.EqualError(t, err, "SFN[sfn-2] does not exist in config functions") | ||||
| 
 | ||||
| 	err = route.Add("conn-3", "sfn-1", []frame.Tag{frame.Tag(1)}) | ||||
| 	assert.EqualError(t, err, "SFN[sfn-1] is already linked to another connection") | ||||
| 
 | ||||
| 	err = route.Remove("conn-1") | ||||
| 	assert.NoError(t, err) | ||||
| 
 | ||||
| 	ids = route.GetForwardRoutes(frame.Tag(1)) | ||||
| 	assert.Equal(t, []string{"conn-3"}, ids) | ||||
| 
 | ||||
| 	router.Clean() | ||||
| 
 | ||||
| 	ids = route.GetForwardRoutes(frame.Tag(1)) | ||||
| 	assert.Equal(t, []string(nil), ids) | ||||
| } | ||||
|  | @ -1,9 +1,14 @@ | |||
| package network | ||||
| package router | ||||
| 
 | ||||
| import ( | ||||
| 	"git.hpds.cc/Component/network/frame" | ||||
| 	"git.hpds.cc/Component/network/metadata" | ||||
| ) | ||||
| 
 | ||||
| // Router is the interface to manage the routes for applications.
 | ||||
| type Router interface { | ||||
| 	// Route gets the route
 | ||||
| 	Route(metadata Metadata) Route | ||||
| 	Route(metadata metadata.Metadata) Route | ||||
| 	// Clean the routes.
 | ||||
| 	Clean() | ||||
| } | ||||
|  | @ -11,9 +16,9 @@ type Router interface { | |||
| // Route manages data subscribers according to their observed data tags.
 | ||||
| type Route interface { | ||||
| 	// Add a route.
 | ||||
| 	Add(connId string, name string, observeDataTags []byte) error | ||||
| 	Add(connId string, name string, observeDataTags []frame.Tag) error | ||||
| 	// Remove a route.
 | ||||
| 	Remove(connId string) error | ||||
| 	// GetForwardRoutes returns all the subscribers by the given data tag.
 | ||||
| 	GetForwardRoutes(tag byte) []string | ||||
| 	GetForwardRoutes(tag frame.Tag) (streamIds []string) | ||||
| } | ||||
							
								
								
									
										574
									
								
								server.go
								
								
								
								
							
							
						
						
									
										574
									
								
								server.go
								
								
								
								
							|  | @ -4,6 +4,10 @@ import ( | |||
| 	"context" | ||||
| 	"errors" | ||||
| 	"fmt" | ||||
| 	"git.hpds.cc/Component/network/auth" | ||||
| 	"git.hpds.cc/Component/network/metadata" | ||||
| 	"git.hpds.cc/Component/network/router" | ||||
| 	"github.com/quic-go/quic-go" | ||||
| 	"io" | ||||
| 	"net" | ||||
| 	"os" | ||||
|  | @ -15,59 +19,47 @@ import ( | |||
| 	"git.hpds.cc/Component/network/frame" | ||||
| 	"git.hpds.cc/Component/network/hpds_err" | ||||
| 	"git.hpds.cc/Component/network/log" | ||||
| 	pkgtls "git.hpds.cc/Component/network/tls" | ||||
| 	"github.com/lucas-clemente/quic-go" | ||||
| ) | ||||
| 
 | ||||
| const ( | ||||
| 	// DefaultListenAddr is the default address to listen.
 | ||||
| 	DefaultListenAddr = "0.0.0.0:9000" | ||||
| ) | ||||
| 
 | ||||
| // ServerOption is the option for server.
 | ||||
| type ServerOption func(*ServerOptions) | ||||
| 
 | ||||
| // FrameHandler is the handler for frame.
 | ||||
| type FrameHandler func(c *Context) error | ||||
| 
 | ||||
| // ConnectionHandler is the handler for quic connection
 | ||||
| type ConnectionHandler func(conn quic.Connection) | ||||
| 
 | ||||
| // Server is the underlining server of Message Queue
 | ||||
| type Server struct { | ||||
| 	name               string | ||||
| 	state              string | ||||
| 	connector          Connector | ||||
| 	router             Router | ||||
| 	metadataBuilder    MetadataBuilder | ||||
| 	counterOfDataFrame int64 | ||||
| 	downStreams        map[string]*Client | ||||
| 	mu                 sync.Mutex | ||||
| 	opts               ServerOptions | ||||
| 	beforeHandlers     []FrameHandler | ||||
| 	afterHandlers      []FrameHandler | ||||
| 	name                    string | ||||
| 	connector               *Connector | ||||
| 	router                  router.Router | ||||
| 	metadataBuilder         metadata.Builder | ||||
| 	counterOfDataFrame      int64 | ||||
| 	downStreams             map[string]frame.Writer | ||||
| 	mu                      sync.Mutex | ||||
| 	opts                    *serverOptions | ||||
| 	startHandlers           []FrameHandler | ||||
| 	beforeHandlers          []FrameHandler | ||||
| 	afterHandlers           []FrameHandler | ||||
| 	connectionCloseHandlers []ConnectionHandler | ||||
| 	listener                Listener | ||||
| } | ||||
| 
 | ||||
| // NewServer create a Server instance.
 | ||||
| func NewServer(name string, opts ...ServerOption) *Server { | ||||
| 	options := defaultServerOptions() | ||||
| 
 | ||||
| 	for _, o := range opts { | ||||
| 		o(options) | ||||
| 	} | ||||
| 	s := &Server{ | ||||
| 		name:        name, | ||||
| 		connector:   newConnector(), | ||||
| 		downStreams: make(map[string]*Client), | ||||
| 		downStreams: make(map[string]frame.Writer), | ||||
| 		opts:        options, | ||||
| 	} | ||||
| 	_ = s.Init(opts...) | ||||
| 
 | ||||
| 	return s | ||||
| } | ||||
| 
 | ||||
| // Init the options.
 | ||||
| func (s *Server) Init(opts ...ServerOption) error { | ||||
| 	for _, o := range opts { | ||||
| 		o(&s.opts) | ||||
| 	} | ||||
| 	// options defaults
 | ||||
| 	s.initOptions() | ||||
| 
 | ||||
| 	return nil | ||||
| } | ||||
| 
 | ||||
| // ListenAndServe starts the server.
 | ||||
| func (s *Server) ListenAndServe(ctx context.Context, addr string) error { | ||||
| 	if addr == "" { | ||||
|  | @ -95,156 +87,192 @@ func (s *Server) Serve(ctx context.Context, conn net.PacketConn) error { | |||
| 	} | ||||
| 
 | ||||
| 	// listen the address
 | ||||
| 	listener, err := newListener(conn, s.opts.TLSConfig, s.opts.QuicConfig) | ||||
| 	listener, err := newListener(conn, s.opts.tlsConfig, s.opts.quicConfig) | ||||
| 	if err != nil { | ||||
| 		log.Errorf("%slistener.Listen: err=%v", ServerLogPrefix, err) | ||||
| 		log.Errorf("listener.Listen: err=%v", err) | ||||
| 		return err | ||||
| 	} | ||||
| 	defer func() { | ||||
| 		_ = listener.Close() | ||||
| 	}() | ||||
| 	log.Printf("%s [%s][%d] Listening on: %s, MODE: %s, QUIC: %v, AUTH: %s", ServerLogPrefix, s.name, os.Getpid(), listener.Addr(), mode(), listener.Versions(), s.authNames()) | ||||
| 	s.listener = listener | ||||
| 
 | ||||
| 	log.Printf("[%s][%d] Listening on: %s, QUIC: %v, AUTH: %s", s.name, os.Getpid(), listener.Addr(), listener.Versions(), s.authNames()) | ||||
| 
 | ||||
| 	s.state = ConnStateConnected | ||||
| 	for { | ||||
| 		_ = s.createNewClientConnection(ctx, listener) | ||||
| 		conn, err := s.listener.Accept(ctx) | ||||
| 		if err != nil { | ||||
| 			log.Errorf("listener accept connections error", err) | ||||
| 			return err | ||||
| 		} | ||||
| 		err = s.opts.alpnHandler(conn.ConnectionState().TLS.NegotiatedProtocol) | ||||
| 		if err != nil { | ||||
| 			_ = conn.CloseWithError(quic.ApplicationErrorCode(hpds_err.ErrorCodeRejected), err.Error()) | ||||
| 			continue | ||||
| 		} | ||||
| 		stream0, err := conn.AcceptStream(ctx) | ||||
| 		if err != nil { | ||||
| 			continue | ||||
| 		} | ||||
| 
 | ||||
| 		controlStream := NewServerControlStream(conn, NewFrameStream(stream0)) | ||||
| 
 | ||||
| 		// Auth accepts a AuthenticationFrame from client. The first frame from client must be
 | ||||
| 		// AuthenticationFrame, It returns true if auth successful otherwise return false.
 | ||||
| 		// It response to client a AuthenticationAckFrame.
 | ||||
| 		err = controlStream.VerifyAuthentication(s.handleAuthenticationFrame) | ||||
| 		if err != nil { | ||||
| 			log.Warnf("Authentication Failed", "error", err) | ||||
| 			continue | ||||
| 		} | ||||
| 		log.Debugf("Authentication Success") | ||||
| 
 | ||||
| 		go func(qConn quic.Connection) { | ||||
| 			streamGroup := NewStreamGroup(ctx, controlStream, s.connector) | ||||
| 
 | ||||
| 			defer streamGroup.Wait() | ||||
| 			defer s.doConnectionCloseHandlers(qConn) | ||||
| 
 | ||||
| 			select { | ||||
| 			case <-ctx.Done(): | ||||
| 				return | ||||
| 			case err := <-s.runWithStreamGroup(streamGroup): | ||||
| 				log.Errorf("Client Close, %v", err) | ||||
| 			} | ||||
| 		}(conn) | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // createNewClientConnection create a new connection when new hpds-client connected
 | ||||
| func (s *Server) createNewClientConnection(ctx context.Context, listener Listener) error { | ||||
| 	sctx, cancel := context.WithCancel(ctx) | ||||
| 	defer cancel() | ||||
| func (s *Server) runWithStreamGroup(group *StreamGroup) <-chan error { | ||||
| 	errCh := make(chan error) | ||||
| 
 | ||||
| 	connect, e := listener.Accept(sctx) | ||||
| 	if e != nil { | ||||
| 		log.Errorf("%screate connection error: %v", ServerLogPrefix, e) | ||||
| 		return e | ||||
| 	} | ||||
| 
 | ||||
| 	connId := GetConnId(connect) | ||||
| 	log.Infof("%s1/ new connection: %s", ServerLogPrefix, connId) | ||||
| 
 | ||||
| 	go func(ctx context.Context, qConn quic.Connection) { | ||||
| 		for { | ||||
| 			err := s.handle(ctx, qConn, connId) | ||||
| 			if err != nil { | ||||
| 				break | ||||
| 			} | ||||
| 		} | ||||
| 	}(sctx, connect) | ||||
| 	return nil | ||||
| } | ||||
| 
 | ||||
| func (s *Server) handle(ctx context.Context, qConn quic.Connection, connId string) error { | ||||
| 	log.Infof("%s2/ waiting for new stream", ServerLogPrefix) | ||||
| 	stream, err := qConn.AcceptStream(ctx) | ||||
| 	if err != nil { | ||||
| 		name := "--" | ||||
| 		conn := s.connector.Get(connId) | ||||
| 		if conn != nil { | ||||
| 			_ = conn.Close() | ||||
| 			// connector
 | ||||
| 			s.connector.Remove(connId) | ||||
| 			route := s.router.Route(conn.Metadata()) | ||||
| 			if route != nil { | ||||
| 				_ = route.Remove(connId) | ||||
| 			} | ||||
| 			name = conn.Name() | ||||
| 		} else { | ||||
| 			_ = s.Close() | ||||
| 
 | ||||
| 		} | ||||
| 		log.Printf("%s [%s](%s) close the connection: %v", ServerLogPrefix, name, connId, err) | ||||
| 		return err | ||||
| 	} | ||||
| 	defer func() { | ||||
| 		_ = stream.Close() | ||||
| 	go func() { | ||||
| 		errCh <- group.Run(s.handleStreamContext) | ||||
| 	}() | ||||
| 
 | ||||
| 	log.Infof("%s3/ [stream:%d] created, connId=%s", ServerLogPrefix, stream.StreamID(), connId) | ||||
| 	// process frames on stream
 | ||||
| 	// c := newContext(connId, stream)
 | ||||
| 	c := newContext(qConn, stream) | ||||
| 	defer c.Clean() | ||||
| 	s.handleConnection(c) | ||||
| 	log.Infof("%s4/ [stream:%d] handleConnection DONE", ServerLogPrefix, stream.StreamID()) | ||||
| 	return nil | ||||
| 	return errCh | ||||
| } | ||||
| 
 | ||||
| // Close will shut down the server.
 | ||||
| func (s *Server) Close() error { | ||||
| 	if s.router != nil { | ||||
| 		s.router.Clean() | ||||
| 	} | ||||
| 	// connector
 | ||||
| 	if s.connector != nil { | ||||
| 		s.connector.Clean() | ||||
| 		s.connector.Close() | ||||
| 	} | ||||
| 	// listener
 | ||||
| 	if s.listener != nil { | ||||
| 		_ = s.listener.Close() | ||||
| 	} | ||||
| 	// router
 | ||||
| 	if s.router != nil { | ||||
| 		s.router.Clean() | ||||
| 	} | ||||
| 	return nil | ||||
| } | ||||
| 
 | ||||
| // handle streams on a connection
 | ||||
| func (s *Server) handleConnection(c *Context) { | ||||
| 	fs := NewFrameStream(c.Stream) | ||||
| func (s *Server) handleRoute(c *Context) error { | ||||
| 	if c.DataStream.StreamType() == StreamTypeStreamFunction { | ||||
| 		md, err := s.metadataBuilder.Decode(c.DataStream.Metadata()) | ||||
| 		if err != nil { | ||||
| 			return err | ||||
| 		} | ||||
| 		// route
 | ||||
| 		route := s.router.Route(md) | ||||
| 		if route == nil { | ||||
| 			return errors.New("handleHandshakeFrame route is nil") | ||||
| 		} | ||||
| 		if err := route.Add(c.StreamId(), c.DataStream.Name(), c.DataStream.ObserveDataTags()); err != nil { | ||||
| 			// duplicate name
 | ||||
| 			if e, ok := err.(hpds_err.DuplicateNameError); ok { | ||||
| 				existsConnId := e.ConnId() | ||||
| 
 | ||||
| 				log.Debugf("StreamFunction Duplicate Name, error: %s; sfn_name: %s, old_stream_id: %s; current_stream_id: %s", | ||||
| 					e.Error(), c.DataStream.Name(), existsConnId, c.StreamId()) | ||||
| 
 | ||||
| 				stream, ok, err := s.connector.Get(existsConnId) | ||||
| 				if err != nil { | ||||
| 					return err | ||||
| 				} | ||||
| 				if ok { | ||||
| 					_ = stream.CloseWithError(e.Error()) | ||||
| 					_ = s.connector.Remove(existsConnId) | ||||
| 				} | ||||
| 			} else { | ||||
| 				return err | ||||
| 			} | ||||
| 		} | ||||
| 	} | ||||
| 	return nil | ||||
| } | ||||
| 
 | ||||
| // handleStreamContext handles data streams,
 | ||||
| func (s *Server) handleStreamContext(c *Context) { | ||||
| 	// handle route.
 | ||||
| 	if err := s.handleRoute(c); err != nil { | ||||
| 		c.CloseWithError(hpds_err.ErrorCodeRejected, err.Error()) | ||||
| 		return | ||||
| 	} | ||||
| 	defer s.cleanRoute(c) | ||||
| 
 | ||||
| 	// start frame handlers
 | ||||
| 	for _, handler := range s.startHandlers { | ||||
| 		if err := handler(c); err != nil { | ||||
| 			log.Errorf("startHandlers error: %v", err) | ||||
| 			c.CloseWithError(hpds_err.ErrorCodeStartHandler, err.Error()) | ||||
| 			return | ||||
| 		} | ||||
| 	} | ||||
| 
 | ||||
| 	// check update for stream
 | ||||
| 	for { | ||||
| 		log.Debugf("%shandleConnection waiting read next...", ServerLogPrefix) | ||||
| 		f, err := fs.ReadFrame() | ||||
| 		f, err := c.DataStream.ReadFrame() | ||||
| 		if err != nil { | ||||
| 			// if client close connection, will get ApplicationError with code = 0x00
 | ||||
| 			if e, ok := err.(*quic.ApplicationError); ok { | ||||
| 				if hpds_err.Is(e.ErrorCode, hpds_err.ErrorCodeClientAbort) { | ||||
| 					// client abort
 | ||||
| 					log.Infof("%sclient close the connection", ServerLogPrefix) | ||||
| 					log.Infof("client close the connection") | ||||
| 					break | ||||
| 				} else { | ||||
| 					ye := hpds_err.New(hpds_err.Parse(e.ErrorCode), err) | ||||
| 					log.Errorf("%s[ERR] %s", ServerLogPrefix, ye) | ||||
| 				} | ||||
| 				he := hpds_err.New(hpds_err.Parse(e.ErrorCode), err) | ||||
| 				log.Errorf("read frame error: %v", he) | ||||
| 			} else if err == io.EOF { | ||||
| 				log.Infof("%sthe connection is EOF", ServerLogPrefix) | ||||
| 				log.Infof("connection EOF") | ||||
| 				break | ||||
| 			} | ||||
| 			if errors.Is(err, net.ErrClosed) { | ||||
| 				// if client close the connection, net.ErrClosed will be raised
 | ||||
| 				// if client close the connection, net.ErrClosed will be raise
 | ||||
| 				// by quic-go IdleTimeoutError after connection's KeepAlive config.
 | ||||
| 				log.Warnf("%s[ERR] net.ErrClosed on [handleConnection] %v", ServerLogPrefix, net.ErrClosed) | ||||
| 				log.Warnf("connection error, error: %v", net.ErrClosed) | ||||
| 				c.CloseWithError(hpds_err.ErrorCodeClosed, "net.ErrClosed") | ||||
| 				break | ||||
| 			} | ||||
| 			// any error occurred, we should close the stream
 | ||||
| 			// after this, conn.AcceptStream() will raise the error
 | ||||
| 			c.CloseWithError(hpds_err.ErrorCodeUnknown, err.Error()) | ||||
| 			log.Warnf("%sconnection.Close()", ServerLogPrefix) | ||||
| 			log.Warnf("connection close") | ||||
| 			break | ||||
| 		} | ||||
| 
 | ||||
| 		frameType := f.Type() | ||||
| 		data := f.Encode() | ||||
| 		log.Debugf("%stype=%s, frame[%d]=%# x", ServerLogPrefix, frameType, len(data), frame.Shortly(data)) | ||||
| 		// add frame to contextFrame
 | ||||
| 		contextFrame := c.WithFrame(f) | ||||
| 		// add frame to context
 | ||||
| 		c.WithFrame(f) | ||||
| 
 | ||||
| 		// before frame handlers
 | ||||
| 		for _, handler := range s.beforeHandlers { | ||||
| 			if e := handler(contextFrame); e != nil { | ||||
| 				log.Errorf("%safterFrameHandler e: %s", ServerLogPrefix, e) | ||||
| 				contextFrame.CloseWithError(hpds_err.ErrorCodeBeforeHandler, e.Error()) | ||||
| 			if err := handler(c); err != nil { | ||||
| 				log.Errorf("beforeFrameHandler error: %v", err) | ||||
| 				c.CloseWithError(hpds_err.ErrorCodeBeforeHandler, err.Error()) | ||||
| 				return | ||||
| 			} | ||||
| 		} | ||||
| 		// main handler
 | ||||
| 		if e := s.mainFrameHandler(contextFrame); e != nil { | ||||
| 			log.Errorf("%smainFrameHandler e: %s", ServerLogPrefix, e) | ||||
| 			contextFrame.CloseWithError(hpds_err.ErrorCodeMainHandler, e.Error()) | ||||
| 		if err := s.mainFrameHandler(c); err != nil { | ||||
| 			log.Errorf("mainFrameHandler error: %v", err) | ||||
| 			c.CloseWithError(hpds_err.ErrorCodeMainHandler, err.Error()) | ||||
| 			return | ||||
| 		} | ||||
| 		// after frame handler
 | ||||
| 		for _, handler := range s.afterHandlers { | ||||
| 			if e := handler(contextFrame); e != nil { | ||||
| 				log.Errorf("%safterFrameHandler e: %s", ServerLogPrefix, e) | ||||
| 				contextFrame.CloseWithError(hpds_err.ErrorCodeAfterHandler, e.Error()) | ||||
| 			if err := handler(c); err != nil { | ||||
| 				log.Errorf("afterFrameHandler error: %v", err) | ||||
| 				c.CloseWithError(hpds_err.ErrorCodeAfterHandler, err.Error()) | ||||
| 				return | ||||
| 			} | ||||
| 		} | ||||
|  | @ -256,181 +284,93 @@ func (s *Server) mainFrameHandler(c *Context) error { | |||
| 	frameType := c.Frame.Type() | ||||
| 
 | ||||
| 	switch frameType { | ||||
| 	case frame.TagOfHandshakeFrame: | ||||
| 		if err = s.handleHandshakeFrame(c); err != nil { | ||||
| 			log.Errorf("%shandleHandshakeFrame err: %s", ServerLogPrefix, err) | ||||
| 			// close connections early to avoid resource consumption
 | ||||
| 			if c.Stream != nil { | ||||
| 				goawayFrame := frame.NewGoawayFrame(err.Error()) | ||||
| 				if _, e := c.Stream.Write(goawayFrame.Encode()); e != nil { | ||||
| 					log.Errorf("%s write to client[%s] GoawayFrame error:%v", ServerLogPrefix, c.ConnId, e) | ||||
| 					return e | ||||
| 				} | ||||
| 			} | ||||
| 		} | ||||
| 	// case frame.TagOfPingFrame:
 | ||||
| 	// 	s.handlePingFrame(mainStream, connection, f.(*frame.PingFrame))
 | ||||
| 	case frame.TagOfDataFrame: | ||||
| 		if err = s.handleDataFrame(c); err != nil { | ||||
| 			c.CloseWithError(hpds_err.ErrorCodeData, fmt.Sprintf("handleDataFrame err: %v", err)) | ||||
| 		} else { | ||||
| 			conn := s.connector.Get(c.connId) | ||||
| 			if conn != nil && conn.ClientType() == ClientTypeProtocolGateway { | ||||
| 				f := c.Frame.(*frame.DataFrame) | ||||
| 				f.GetMetaFrame().SetMetadata(conn.Metadata().Encode()) | ||||
| 				s.dispatchToDownStreams(f) | ||||
| 			} | ||||
| 			s.dispatchToDownStreams(c) | ||||
| 			// observe data tags back flow
 | ||||
| 			_ = s.handleBackFlowFrame(c) | ||||
| 		} | ||||
| 	default: | ||||
| 		log.Errorf("%serr=%v, frame=%v", ServerLogPrefix, err, frame.Shortly(c.Frame.Encode())) | ||||
| 		log.Errorf("err=%v, frame=%v", err, frame.Shortly(c.Frame.Encode())) | ||||
| 	} | ||||
| 	return nil | ||||
| } | ||||
| 
 | ||||
| // handle HandShakeFrame
 | ||||
| func (s *Server) handleHandshakeFrame(c *Context) error { | ||||
| 	f := c.Frame.(*frame.HandshakeFrame) | ||||
| func (s *Server) handleAuthenticationFrame(f auth.Object) (bool, error) { | ||||
| 	ok := auth.Authenticate(s.opts.auths, f) | ||||
| 
 | ||||
| 	log.Debugf("%sGOT HandshakeFrame : %# x", ServerLogPrefix, f) | ||||
| 	// basic info
 | ||||
| 	connId := c.ConnId() | ||||
| 	clientId := f.ClientId | ||||
| 	clientType := ClientType(f.ClientType) | ||||
| 	stream := c.Stream | ||||
| 	// credential
 | ||||
| 	log.Debugf("%sClientType=%# x is %s, ClientId=%s, Credential=%s", ServerLogPrefix, f.ClientType, ClientType(f.ClientType), clientId, authName(f.AuthName())) | ||||
| 	// authenticate
 | ||||
| 	if !s.authenticate(f) { | ||||
| 		err := fmt.Errorf("handshake authentication fails, client credential name is %s", authName(f.AuthName())) | ||||
| 		// return err
 | ||||
| 		log.Debugf("%s <%s> [%s](%s) is connected!", ServerLogPrefix, clientType, f.Name, connId) | ||||
| 		rejectedFrame := frame.NewRejectedFrame(err.Error()) | ||||
| 		if _, err = stream.Write(rejectedFrame.Encode()); err != nil { | ||||
| 			log.Debugf("%s write to <%s> [%s](%s) RejectedFrame error:%v", ServerLogPrefix, clientType, f.Name, connId, err) | ||||
| 			return err | ||||
| 		} | ||||
| 		return nil | ||||
| 	if ok { | ||||
| 		log.Debugf("Successful authentication") | ||||
| 	} else { | ||||
| 		log.Warnf("Authentication failed", "credential", f.AuthName()) | ||||
| 	} | ||||
| 
 | ||||
| 	// client type
 | ||||
| 	var conn Connection | ||||
| 	switch clientType { | ||||
| 	case ClientTypeProtocolGateway, ClientTypeStreamFunction: | ||||
| 		// metadata
 | ||||
| 		metadata, err := s.metadataBuilder.Build(f) | ||||
| 		if err != nil { | ||||
| 			return err | ||||
| 		} | ||||
| 		conn = newConnection(f.Name, f.ClientId, clientType, metadata, stream, f.ObserveDataTags) | ||||
| 
 | ||||
| 		if clientType == ClientTypeStreamFunction { | ||||
| 			// route
 | ||||
| 			route := s.router.Route(metadata) | ||||
| 			if route == nil { | ||||
| 				return errors.New("handleHandshakeFrame route is nil") | ||||
| 			} | ||||
| 			if e1 := route.Add(connId, f.Name, f.ObserveDataTags); e1 != nil { | ||||
| 				// duplicate name
 | ||||
| 				if e2, ok := e1.(hpds_err.DuplicateNameError); ok { | ||||
| 					existsConnID := e2.ConnId() | ||||
| 					if conn = s.connector.Get(existsConnID); conn != nil { | ||||
| 						log.Debugf("%s%s, write to SFN[%s](%s) GoawayFrame", ServerLogPrefix, e2.Error(), f.Name, existsConnID) | ||||
| 						goawayFrame := frame.NewGoawayFrame(e2.Error()) | ||||
| 						if e3 := conn.Write(goawayFrame); e3 != nil { | ||||
| 							log.Errorf("%s write to SFN[%s] GoawayFrame error:%v", ServerLogPrefix, f.Name, e3) | ||||
| 							return e3 | ||||
| 						} | ||||
| 					} | ||||
| 				} else { | ||||
| 					return e1 | ||||
| 				} | ||||
| 			} | ||||
| 		} | ||||
| 	case ClientTypeMessageQueue: | ||||
| 		conn = newConnection(f.Name, f.ClientId, clientType, nil, stream, f.ObserveDataTags) | ||||
| 	default: | ||||
| 		// unknown client type
 | ||||
| 		s.connector.Remove(connId) | ||||
| 		err := fmt.Errorf("Illegal ClientType: %#x ", f.ClientType) | ||||
| 		c.CloseWithError(hpds_err.ErrorCodeUnknownClient, err.Error()) | ||||
| 		return err | ||||
| 	} | ||||
| 
 | ||||
| 	s.connector.Add(connId, conn) | ||||
| 	log.Printf("%s <%s> [%s][%s](%s) is connected!", ServerLogPrefix, clientType, f.Name, clientId, connId) | ||||
| 	return nil | ||||
| 	return ok, nil | ||||
| } | ||||
| 
 | ||||
| // handle handleGoawayFrame
 | ||||
| func (s *Server) handleGoawayFrame(c *Context) error { | ||||
| 	f := c.Frame.(*frame.GoawayFrame) | ||||
| 
 | ||||
| 	log.Debugf("%s GOT GoawayFrame code=%d, message==%s", ServerLogPrefix, hpds_err.ErrorCodeGoaway, f.Message()) | ||||
| 	// c.CloseWithError(f.Code(), f.Message())
 | ||||
| 	_, err := c.Stream.Write(f.Encode()) | ||||
| 	return err | ||||
| } | ||||
| 
 | ||||
| // will reuse quic-go's keep-alive feature
 | ||||
| // func (s *Server) handlePingFrame(stream quic.Stream, conn quic.Connection, f *frame.PingFrame) error {
 | ||||
| // 	log.Infof("%s------> GOT PingFrame : %# x", ServerLogPrefix, f)
 | ||||
| // 	return nil
 | ||||
| // }
 | ||||
| 
 | ||||
| func (s *Server) handleDataFrame(c *Context) error { | ||||
| 	// counter +1
 | ||||
| 	atomic.AddInt64(&s.counterOfDataFrame, 1) | ||||
| 	// currentIssuer := f.GetIssuer()
 | ||||
| 	fromId := c.ConnId() | ||||
| 	from := s.connector.Get(fromId) | ||||
| 	if from == nil { | ||||
| 		log.Warnf("%shandleDataFrame connector cannot find %s", ServerLogPrefix, fromId) | ||||
| 	fromId := c.StreamId() | ||||
| 	from, ok, err := s.connector.Get(fromId) | ||||
| 	if err != nil { | ||||
| 		return err | ||||
| 	} | ||||
| 	if !ok { | ||||
| 		log.Warnf("handleDataFrame connector cannot find, from_conn_id: %s", fromId) | ||||
| 		return fmt.Errorf("handleDataFrame connector cannot find %s", fromId) | ||||
| 	} | ||||
| 
 | ||||
| 	f := c.Frame.(*frame.DataFrame) | ||||
| 
 | ||||
| 	var metadata Metadata | ||||
| 	if from.ClientType() == ClientTypeMessageQueue { | ||||
| 		m, err := s.metadataBuilder.Decode(f.GetMetaFrame().Metadata()) | ||||
| 	m, err := s.metadataBuilder.Decode(f.GetMetaFrame().Metadata()) | ||||
| 	if err != nil { | ||||
| 		return err | ||||
| 	} | ||||
| 
 | ||||
| 	if m == nil { | ||||
| 		m, err = s.metadataBuilder.Decode(from.Metadata()) | ||||
| 		if err != nil { | ||||
| 			return err | ||||
| 		} | ||||
| 		metadata = m | ||||
| 	} else { | ||||
| 		metadata = from.Metadata() | ||||
| 	} | ||||
| 
 | ||||
| 	// route
 | ||||
| 	route := s.router.Route(metadata) | ||||
| 	route := s.router.Route(m) | ||||
| 	if route == nil { | ||||
| 		log.Warnf("%shandleDataFrame route is nil", ServerLogPrefix) | ||||
| 		log.Warnf("handleDataFrame route is nil") | ||||
| 		return fmt.Errorf("handleDataFrame route is nil") | ||||
| 	} | ||||
| 
 | ||||
| 	// get stream function connection ids from route
 | ||||
| 	connIds := route.GetForwardRoutes(f.GetDataTag()) | ||||
| 	for _, toId := range connIds { | ||||
| 		conn := s.connector.Get(toId) | ||||
| 		if conn == nil { | ||||
| 			log.Errorf("%sconn is nil: (%s)", ServerLogPrefix, toId) | ||||
| 	connIDs := route.GetForwardRoutes(f.GetDataTag()) | ||||
| 
 | ||||
| 	log.Debugf("Data Routing Status, sfn_stream_ids: %v; connector: %v", connIDs, s.connector.GetSnapshot()) | ||||
| 
 | ||||
| 	for _, toId := range connIDs { | ||||
| 		conn, ok, err := s.connector.Get(toId) | ||||
| 		if err != nil { | ||||
| 			continue | ||||
| 		} | ||||
| 		if !ok { | ||||
| 			log.Errorf("Can't find forward conn, error: conn is nil ;forward_conn_id: ", toId) | ||||
| 			continue | ||||
| 		} | ||||
| 
 | ||||
| 		to := conn.Name() | ||||
| 		log.Debugf("%shandleDataFrame tag=%#x tid=%s, counter=%d, from=[%s](%s), to=[%s](%s)", ServerLogPrefix, f.Tag(), f.TransactionId(), s.counterOfDataFrame, from.Name(), fromId, to, toId) | ||||
| 		log.Infof("handleDataFrame, from_conn_name: %s; from_conn_id: %s; to_conn_name: %s; to_conn_id: %s; data_frame: %s", | ||||
| 			from.Name(), fromId, to, toId, f.String()) | ||||
| 
 | ||||
| 		// write data frame to stream
 | ||||
| 		if err := conn.Write(f); err != nil { | ||||
| 			log.Warnf("%shandleDataFrame conn.Write tag=%#x tid=%s, from=[%s](%s), to=[%s](%s), %v", ServerLogPrefix, f.Tag(), f.TransactionId(), from.Name(), fromId, to, toId, err) | ||||
| 		if err := conn.WriteFrame(f); err != nil { | ||||
| 			log.Errorf("handleDataFrame conn.Write, %v", err) | ||||
| 		} | ||||
| 	} | ||||
| 
 | ||||
| 	return nil | ||||
| } | ||||
| 
 | ||||
| func (s *Server) handleBackFlowFrame(c *Context) error { | ||||
| 	f := c.Frame.(*frame.DataFrame) | ||||
| 	tag := f.GetDataTag() | ||||
|  | @ -438,14 +378,17 @@ func (s *Server) handleBackFlowFrame(c *Context) error { | |||
| 	sourceId := f.SourceId() | ||||
| 	// write to Protocol Gateway with BackFlowFrame
 | ||||
| 	bf := frame.NewBackFlowFrame(tag, carriage) | ||||
| 	sourceConns := s.connector.GetProtocolGatewayConnections(sourceId, tag) | ||||
| 	sourceConnList, err := s.connector.GetSourceConns(sourceId, tag) | ||||
| 	if err != nil { | ||||
| 		return err | ||||
| 	} | ||||
| 	// conn := s.connector.Get(c.connId)
 | ||||
| 	// logger.Printf("%s handleBackFlowFrame tag:%#v --> source:%s, result=%s", ServerLogPrefix, tag, sourceId, carriage)
 | ||||
| 	for _, source := range sourceConns { | ||||
| 	for _, source := range sourceConnList { | ||||
| 		if source != nil { | ||||
| 			log.Debugf("%s handleBackFlowFrame tag:%#v --> Protocol Gateway:%s, result=%# x", ServerLogPrefix, tag, sourceId, frame.Shortly(carriage)) | ||||
| 			if err := source.Write(bf); err != nil { | ||||
| 				log.Errorf("%s handleBackFlowFrame tag:%#v --> Protocol Gateway:%s, error=%v", ServerLogPrefix, tag, sourceId, err) | ||||
| 			log.Debugf("handleBackFlowFrame tag:%#v;  source_conn_id: %s, back_flow_frame: %s", tag, sourceId, f.String()) | ||||
| 			if err := source.WriteFrame(bf); err != nil { | ||||
| 				log.Errorf("handleBackFlowFrame tag:%#v --> Protocol Gateway:%s, error=%v", tag, sourceId, err) | ||||
| 				return err | ||||
| 			} | ||||
| 		} | ||||
|  | @ -464,23 +407,32 @@ func (s *Server) StatsCounter() int64 { | |||
| } | ||||
| 
 | ||||
| // DownStreams return all the downstream servers.
 | ||||
| func (s *Server) DownStreams() map[string]*Client { | ||||
| func (s *Server) DownStreams() map[string]frame.Writer { | ||||
| 	return s.downStreams | ||||
| } | ||||
| 
 | ||||
| // ConfigRouter is used to set router by Message Queue
 | ||||
| func (s *Server) ConfigRouter(router Router) { | ||||
| func (s *Server) ConfigRouter(router router.Router) { | ||||
| 	s.mu.Lock() | ||||
| 	s.router = router | ||||
| 	log.Debugf("%sconfig router is %#v", ServerLogPrefix, router) | ||||
| 	log.Debugf("config router is %#v", router) | ||||
| 	s.mu.Unlock() | ||||
| } | ||||
| 
 | ||||
| // ConfigMetadataBuilder is used to set metadataBuilder by Message Queue
 | ||||
| func (s *Server) ConfigMetadataBuilder(builder MetadataBuilder) { | ||||
| 
 | ||||
| func (s *Server) ConfigMetadataBuilder(builder metadata.Builder) { | ||||
| 	s.mu.Lock() | ||||
| 	s.metadataBuilder = builder | ||||
| 	log.Debugf("%sconfig metadataBuilder is %#v", ServerLogPrefix, builder) | ||||
| 	log.Debugf("config metadataBuilder is %#v", builder) | ||||
| 	s.mu.Unlock() | ||||
| } | ||||
| 
 | ||||
| // ConfigAlpnHandler is used to set alpnHandler by Emitter
 | ||||
| func (s *Server) ConfigAlpnHandler(h func(string) error) { | ||||
| 	s.mu.Lock() | ||||
| 	s.opts.alpnHandler = h | ||||
| 	log.Debugf("config alpnHandler") | ||||
| 	s.mu.Unlock() | ||||
| } | ||||
| 
 | ||||
|  | @ -493,10 +445,28 @@ func (s *Server) AddDownstreamServer(addr string, c *Client) { | |||
| } | ||||
| 
 | ||||
| // dispatch every DataFrames to all downStreams
 | ||||
| func (s *Server) dispatchToDownStreams(df *frame.DataFrame) { | ||||
| 	for addr, ds := range s.downStreams { | ||||
| 		log.Debugf("%sdispatching to [%s]: %# x", ServerLogPrefix, addr, df.Tag()) | ||||
| 		_ = ds.WriteFrame(df) | ||||
| func (s *Server) dispatchToDownStreams(c *Context) { | ||||
| 	stream, ok, err := s.connector.Get(c.StreamId()) | ||||
| 	if err != nil { | ||||
| 		log.Errorf("Connector Get Error, %v", err) | ||||
| 		return | ||||
| 	} | ||||
| 	if !ok { | ||||
| 		log.Debugf("dispatchTo Down Streams failed") | ||||
| 		return | ||||
| 	} | ||||
| 
 | ||||
| 	if stream.StreamType() == StreamTypeSource { | ||||
| 		f := c.Frame.(*frame.DataFrame) | ||||
| 		if f.IsBroadcast() { | ||||
| 			if f.GetMetaFrame().Metadata() == nil { | ||||
| 				f.GetMetaFrame().SetMetadata(stream.Metadata()) | ||||
| 			} | ||||
| 			for addr, ds := range s.downStreams { | ||||
| 				log.Infof("dispatching to, dispatch_addr: %s; tid: %s;", addr, "", f.TransactionId()) | ||||
| 				_ = ds.WriteFrame(f) | ||||
| 			} | ||||
| 		} | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
|  | @ -505,10 +475,6 @@ func GetConnId(conn quic.Connection) string { | |||
| 	return conn.RemoteAddr().String() | ||||
| } | ||||
| 
 | ||||
| func (s *Server) initOptions() { | ||||
| 	// defaults
 | ||||
| } | ||||
| 
 | ||||
| func (s *Server) validateRouter() error { | ||||
| 	if s.router == nil { | ||||
| 		return errors.New("server's router is nil") | ||||
|  | @ -523,14 +489,10 @@ func (s *Server) validateMetadataBuilder() error { | |||
| 	return nil | ||||
| } | ||||
| 
 | ||||
| // Options returns the options of server.
 | ||||
| func (s *Server) Options() ServerOptions { | ||||
| 	return s.opts | ||||
| } | ||||
| 
 | ||||
| // Connector returns the connector of server.
 | ||||
| func (s *Server) Connector() Connector { | ||||
| 	return s.connector | ||||
| // SetStartHandlers sets a function for operating connection,
 | ||||
| // this function executes after handshake successful.
 | ||||
| func (s *Server) SetStartHandlers(handlers ...FrameHandler) { | ||||
| 	s.startHandlers = append(s.startHandlers, handlers...) | ||||
| } | ||||
| 
 | ||||
| // SetBeforeHandlers set the before handlers of server.
 | ||||
|  | @ -543,44 +505,30 @@ func (s *Server) SetAfterHandlers(handlers ...FrameHandler) { | |||
| 	s.afterHandlers = append(s.afterHandlers, handlers...) | ||||
| } | ||||
| 
 | ||||
| // SetConnectionCloseHandlers set the connection close handlers of server.
 | ||||
| func (s *Server) SetConnectionCloseHandlers(handlers ...ConnectionHandler) { | ||||
| 	s.connectionCloseHandlers = append(s.connectionCloseHandlers, handlers...) | ||||
| } | ||||
| 
 | ||||
| func (s *Server) authNames() []string { | ||||
| 	if len(s.opts.Auths) == 0 { | ||||
| 	if len(s.opts.auths) == 0 { | ||||
| 		return []string{"none"} | ||||
| 	} | ||||
| 	result := make([]string, 0) | ||||
| 	for _, auth := range s.opts.Auths { | ||||
| 		result = append(result, auth.Name()) | ||||
| 	for _, a := range s.opts.auths { | ||||
| 		result = append(result, a.Name()) | ||||
| 	} | ||||
| 	return result | ||||
| } | ||||
| 
 | ||||
| func (s *Server) authenticate(f *frame.HandshakeFrame) bool { | ||||
| 	if len(s.opts.Auths) > 0 { | ||||
| 		for _, auth := range s.opts.Auths { | ||||
| 			if f.AuthName() == auth.Name() { | ||||
| 				isAuthenticated := auth.Authenticate(f.AuthPayload()) | ||||
| 				if isAuthenticated { | ||||
| 					log.Debugf("%sauthenticated==%v", ServerLogPrefix, isAuthenticated) | ||||
| 					return isAuthenticated | ||||
| 				} | ||||
| 			} | ||||
| 		} | ||||
| 		return false | ||||
| func (s *Server) doConnectionCloseHandlers(qConn quic.Connection) { | ||||
| 	log.Debugf("QUIC Connection Closed") | ||||
| 	for _, h := range s.connectionCloseHandlers { | ||||
| 		h(qConn) | ||||
| 	} | ||||
| 	return true | ||||
| } | ||||
| 
 | ||||
| func mode() string { | ||||
| 	if pkgtls.IsDev() { | ||||
| 		return "DEVELOPMENT" | ||||
| 	} | ||||
| 	return "PRODUCTION" | ||||
| } | ||||
| 
 | ||||
| func authName(name string) string { | ||||
| 	if name == "" { | ||||
| 		return "empty" | ||||
| 	} | ||||
| 
 | ||||
| 	return name | ||||
| func (s *Server) cleanRoute(c *Context) { | ||||
| 	md, _ := s.metadataBuilder.Decode(c.DataStream.Metadata()) | ||||
| 	_ = s.router.Route(md).Remove(c.StreamId()) | ||||
| } | ||||
|  |  | |||
|  | @ -2,55 +2,72 @@ package network | |||
| 
 | ||||
| import ( | ||||
| 	"crypto/tls" | ||||
| 	"net" | ||||
| 
 | ||||
| 	"git.hpds.cc/Component/network/auth" | ||||
| 	"github.com/lucas-clemente/quic-go" | ||||
| 	"git.hpds.cc/Component/network/log" | ||||
| 	"github.com/quic-go/quic-go" | ||||
| ) | ||||
| 
 | ||||
| const ( | ||||
| 	// DefaultListenAddr is the default address to listen.
 | ||||
| 	DefaultListenAddr = "0.0.0.0:9000" | ||||
| ) | ||||
| 
 | ||||
| // ServerOption is the option for server.
 | ||||
| type ServerOption func(*serverOptions) | ||||
| 
 | ||||
| // ServerOptions are the options for HPDS Network server.
 | ||||
| type ServerOptions struct { | ||||
| 	QuicConfig *quic.Config | ||||
| 	TLSConfig  *tls.Config | ||||
| 	Addr       string | ||||
| 	Auths      []auth.Authentication | ||||
| 	Conn       net.PacketConn | ||||
| type serverOptions struct { | ||||
| 	quicConfig  *quic.Config | ||||
| 	tlsConfig   *tls.Config | ||||
| 	addr        string | ||||
| 	auths       map[string]auth.Authentication | ||||
| 	alpnHandler func(proto string) error | ||||
| } | ||||
| 
 | ||||
| func defaultServerOptions() *serverOptions { | ||||
| 	opts := &serverOptions{ | ||||
| 		quicConfig: DefaultQuicConfig, | ||||
| 		tlsConfig:  nil, | ||||
| 		addr:       DefaultListenAddr, | ||||
| 		auths:      map[string]auth.Authentication{}, | ||||
| 	} | ||||
| 	opts.alpnHandler = func(proto string) error { | ||||
| 		log.Infof("client alpn proto", "component", "server", "proto", proto) | ||||
| 		return nil | ||||
| 	} | ||||
| 	return opts | ||||
| } | ||||
| 
 | ||||
| // WithAddr sets the server address.
 | ||||
| func WithAddr(addr string) ServerOption { | ||||
| 	return func(o *ServerOptions) { | ||||
| 		o.Addr = addr | ||||
| 	return func(o *serverOptions) { | ||||
| 		o.addr = addr | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // WithAuth sets the server authentication method.
 | ||||
| func WithAuth(name string, args ...string) ServerOption { | ||||
| 	return func(o *ServerOptions) { | ||||
| 		if auth, ok := auth.GetAuth(name); ok { | ||||
| 			auth.Init(args...) | ||||
| 			o.Auths = append(o.Auths, auth) | ||||
| 	return func(o *serverOptions) { | ||||
| 		if a, ok := auth.GetAuth(name); ok { | ||||
| 			a.Init(args...) | ||||
| 			if o.auths == nil { | ||||
| 				o.auths = make(map[string]auth.Authentication) | ||||
| 			} | ||||
| 			o.auths[a.Name()] = a | ||||
| 		} | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // WithServerTLSConfig sets the TLS configuration for the server.
 | ||||
| func WithServerTLSConfig(tc *tls.Config) ServerOption { | ||||
| 	return func(o *ServerOptions) { | ||||
| 		o.TLSConfig = tc | ||||
| 	return func(o *serverOptions) { | ||||
| 		o.tlsConfig = tc | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // WithServerQuicConfig sets the QUIC configuration for the server.
 | ||||
| func WithServerQuicConfig(qc *quic.Config) ServerOption { | ||||
| 	return func(o *ServerOptions) { | ||||
| 		o.QuicConfig = qc | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // WithConn sets the connection for the server.
 | ||||
| func WithConn(conn net.PacketConn) ServerOption { | ||||
| 	return func(o *ServerOptions) { | ||||
| 		o.Conn = conn | ||||
| 	return func(o *serverOptions) { | ||||
| 		o.quicConfig = qc | ||||
| 	} | ||||
| } | ||||
|  |  | |||
|  | @ -0,0 +1,57 @@ | |||
| package network | ||||
| 
 | ||||
| import ( | ||||
| 	"context" | ||||
| 	"sync" | ||||
| ) | ||||
| 
 | ||||
| // StreamGroup is the group of stream includes ControlStream amd DataStream.
 | ||||
| // One Connection has many DataStream and only one ControlStream, ControlStream authenticates
 | ||||
| // Connection and recevies HandshakeFrame and CloseStreamFrame to create DataStream or close
 | ||||
| // stream. the ControlStream always the first stream established between server and client.
 | ||||
| type StreamGroup struct { | ||||
| 	ctx           context.Context | ||||
| 	controlStream ServerControlStream | ||||
| 	connector     *Connector | ||||
| 	group         sync.WaitGroup | ||||
| } | ||||
| 
 | ||||
| // NewStreamGroup returns StreamGroup.
 | ||||
| func NewStreamGroup(ctx context.Context, controlStream ServerControlStream, connector *Connector) *StreamGroup { | ||||
| 	group := &StreamGroup{ | ||||
| 		ctx:           ctx, | ||||
| 		controlStream: controlStream, | ||||
| 		connector:     connector, | ||||
| 	} | ||||
| 	return group | ||||
| } | ||||
| 
 | ||||
| // Run run contextFunc with connector.
 | ||||
| // Run continus Accepts DataStream and create a Context to run with contextFunc.
 | ||||
| // TODO: run in aop model, like setMetadata -> handleRoute -> before -> handle -> after.
 | ||||
| func (g *StreamGroup) Run(contextFunc func(c *Context)) error { | ||||
| 	for { | ||||
| 		dataStream, err := g.controlStream.AcceptStream(g.ctx) | ||||
| 		if err != nil { | ||||
| 			return err | ||||
| 		} | ||||
| 
 | ||||
| 		g.group.Add(1) | ||||
| 		_ = g.connector.Add(dataStream.ID(), dataStream) | ||||
| 
 | ||||
| 		go func() { | ||||
| 			defer func() { | ||||
| 				g.group.Done() | ||||
| 				_ = g.connector.Remove(dataStream.ID()) | ||||
| 			}() | ||||
| 
 | ||||
| 			c := newContext(dataStream) | ||||
| 			defer c.Clean() | ||||
| 
 | ||||
| 			contextFunc(c) | ||||
| 		}() | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // Wait waits all dataStream down.
 | ||||
| func (g *StreamGroup) Wait() { g.group.Wait() } | ||||
|  | @ -48,6 +48,15 @@ func CreateServerTLSConfig(host string) (*tls.Config, error) { | |||
| 	}, nil | ||||
| } | ||||
| 
 | ||||
| // MustCreateClientTLSConfig creates client tls config, It is panic If error here.
 | ||||
| func MustCreateClientTLSConfig() *tls.Config { | ||||
| 	conf, err := CreateClientTLSConfig() | ||||
| 	if err != nil { | ||||
| 		panic(err) | ||||
| 	} | ||||
| 	return conf | ||||
| } | ||||
| 
 | ||||
| // CreateClientTLSConfig creates client tls config.
 | ||||
| func CreateClientTLSConfig() (*tls.Config, error) { | ||||
| 	// development mode
 | ||||
|  |  | |||
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		Reference in New Issue