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@ -12,16 +12,18 @@ import (
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"time"
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"time"
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)
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)
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var chunkSize = 4096
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// rtmp客户端类型连接的底层实现
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// rtmp客户端类型连接的底层实现
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// rtmp包的使用者应该优先使用基于ClientSession实现的PushSession和PullSession
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// rtmp包的使用者应该优先使用基于ClientSession实现的PushSession和PullSession
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type ClientSession struct {
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type ClientSession struct {
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t ClientSessionType
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t ClientSessionType
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obs PullSessionObserver
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obs AVMessageObserver // only for PullSession
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connectTimeout int64
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connectTimeout int64
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doResultChan chan struct{}
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doResultChan chan struct{}
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errChan chan error
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errChan chan error
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packer *MessagePacker
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packer *MessagePacker
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composer *Composer
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chunkComposer *ChunkComposer
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url *url.URL
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url *url.URL
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tcURL string
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tcURL string
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appName string
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appName string
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@ -43,7 +45,7 @@ const (
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)
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)
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// set <obs> if <t> equal CSTPullSession
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// set <obs> if <t> equal CSTPullSession
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func NewClientSession(t ClientSessionType, obs PullSessionObserver, connectTimeout int64) *ClientSession {
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func NewClientSession(t ClientSessionType, obs AVMessageObserver, connectTimeout int64) *ClientSession {
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var uk string
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var uk string
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switch t {
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switch t {
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case CSTPullSession:
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case CSTPullSession:
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@ -61,7 +63,7 @@ func NewClientSession(t ClientSessionType, obs PullSessionObserver, connectTimeo
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doResultChan: make(chan struct{}),
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doResultChan: make(chan struct{}),
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errChan: make(chan error),
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errChan: make(chan error),
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packer: NewMessagePacker(),
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packer: NewMessagePacker(),
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composer: NewComposer(),
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chunkComposer: NewChunkComposer(),
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UniqueKey: util.GenUniqueKey(uk),
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UniqueKey: util.GenUniqueKey(uk),
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}
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}
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}
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}
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@ -107,11 +109,11 @@ func (s *ClientSession) WaitLoop() error {
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}
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}
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func (s *ClientSession) runReadLoop() error {
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func (s *ClientSession) runReadLoop() error {
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return s.composer.RunLoop(s.rb, s.doMsg)
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return s.chunkComposer.RunLoop(s.rb, s.doMsg)
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}
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}
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func (s *ClientSession) doMsg(stream *Stream) error {
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func (s *ClientSession) doMsg(stream *Stream) error {
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switch stream.header.msgTypeID {
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switch stream.header.MsgTypeID {
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case typeidWinAckSize:
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case typeidWinAckSize:
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fallthrough
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fallthrough
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case typeidBandwidth:
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case typeidBandwidth:
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@ -121,15 +123,15 @@ func (s *ClientSession) doMsg(stream *Stream) error {
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case typeidCommandMessageAMF0:
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case typeidCommandMessageAMF0:
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return s.doCommandMessage(stream)
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return s.doCommandMessage(stream)
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case typeidUserControl:
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case typeidUserControl:
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log.Warn("user control message. ignore.")
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log.Warn("read user control message, ignore. [%s]", s.UniqueKey)
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case typeidDataMessageAMF0:
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case typeidDataMessageAMF0:
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return s.doDataMessageAMF0(stream)
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return s.doDataMessageAMF0(stream)
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case typeidAudio:
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case typeidAudio:
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fallthrough
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fallthrough
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case typeidVideo:
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case typeidVideo:
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s.obs.ReadAVMessageCB(stream.header.msgTypeID, stream.timestampAbs, stream.msg.buf[stream.msg.b:stream.msg.e])
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s.obs.ReadAVMessageCB(stream.header, stream.timestampAbs, stream.msg.buf[stream.msg.b:stream.msg.e])
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default:
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default:
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log.Errorf("unknown msg type id. typeid=%d", stream.header.msgTypeID)
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log.Errorf("read unknown msg type id. [%s] typeid=%d", s.UniqueKey, stream.header)
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panic(0)
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panic(0)
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}
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}
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return nil
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return nil
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@ -149,7 +151,7 @@ func (s *ClientSession) doDataMessageAMF0(stream *Stream) error {
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log.Error(val)
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log.Error(val)
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log.Error(hex.Dump(stream.msg.buf[stream.msg.b:stream.msg.e]))
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log.Error(hex.Dump(stream.msg.buf[stream.msg.b:stream.msg.e]))
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}
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}
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s.obs.ReadAVMessageCB(stream.header.msgTypeID, stream.timestampAbs, stream.msg.buf[stream.msg.b:stream.msg.e])
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s.obs.ReadAVMessageCB(stream.header, stream.timestampAbs, stream.msg.buf[stream.msg.b:stream.msg.e])
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return nil
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return nil
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}
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}
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@ -166,13 +168,13 @@ func (s *ClientSession) doCommandMessage(stream *Stream) error {
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switch cmd {
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switch cmd {
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case "onBWDone":
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case "onBWDone":
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log.Warn("-----> onBWDone. ignore")
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log.Warnf("-----> onBWDone. ignore. [%s]", s.UniqueKey)
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case "_result":
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case "_result":
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return s.doResultMessage(stream, tid)
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return s.doResultMessage(stream, tid)
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case "onStatus":
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case "onStatus":
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return s.doOnStatusMessage(stream, tid)
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return s.doOnStatusMessage(stream, tid)
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default:
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default:
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log.Errorf("unknown cmd. cmd=%s", cmd)
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log.Errorf("read unknown cmd. [%s] cmd=%s", s.UniqueKey, cmd)
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}
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}
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return nil
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return nil
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@ -194,18 +196,18 @@ func (s *ClientSession) doOnStatusMessage(stream *Stream, tid int) error {
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case CSTPushSession:
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case CSTPushSession:
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switch code {
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switch code {
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case "NetStream.Publish.Start":
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case "NetStream.Publish.Start":
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log.Info("-----> onStatus('NetStream.Publish.Start')")
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log.Infof("-----> onStatus('NetStream.Publish.Start'). [%s]", s.UniqueKey)
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s.notifyDoResultSucc()
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s.notifyDoResultSucc()
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default:
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default:
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log.Errorf("unknown code. code=%s", code)
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log.Errorf("read on status message but code field unknown. [%s] code=%s", s.UniqueKey, code)
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}
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}
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case CSTPullSession:
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case CSTPullSession:
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switch code {
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switch code {
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case "NetStream.Play.Start":
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case "NetStream.Play.Start":
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log.Info("-----> onStatus('NetStream.Play.Start')")
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log.Infof("-----> onStatus('NetStream.Play.Start'). [%s]", s.UniqueKey)
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s.notifyDoResultSucc()
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s.notifyDoResultSucc()
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default:
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default:
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log.Errorf("unknown code. code=%s", code)
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log.Errorf("read on status message but code field unknown. [%s] code=%s", s.UniqueKey, code)
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}
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}
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}
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}
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@ -229,12 +231,12 @@ func (s *ClientSession) doResultMessage(stream *Stream, tid int) error {
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}
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}
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switch code {
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switch code {
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case "NetConnection.Connect.Success":
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case "NetConnection.Connect.Success":
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log.Info("-----> _result(\"NetConnection.Connect.Success\")")
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log.Infof("-----> _result(\"NetConnection.Connect.Success\"). [%s]", s.UniqueKey)
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if err := s.packer.writeCreateStream(s.Conn); err != nil {
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if err := s.packer.writeCreateStream(s.Conn); err != nil {
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return err
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return err
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}
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}
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default:
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default:
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log.Errorf("unknown code. code=%s", code)
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log.Errorf("unknown code. [%s] code=%s", s.UniqueKey, code)
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}
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}
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case tidClientCreateStream:
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case tidClientCreateStream:
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err := stream.msg.readNull()
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err := stream.msg.readNull()
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@ -245,7 +247,7 @@ func (s *ClientSession) doResultMessage(stream *Stream, tid int) error {
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if err != nil {
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if err != nil {
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return err
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return err
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}
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}
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log.Info("-----> _result()")
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log.Infof("-----> _result(). [%s]", s.UniqueKey)
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switch s.t {
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switch s.t {
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case CSTPullSession:
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case CSTPullSession:
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if err := s.packer.writePlay(s.Conn, s.streamName, sid); err != nil {
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if err := s.packer.writePlay(s.Conn, s.streamName, sid); err != nil {
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@ -257,7 +259,7 @@ func (s *ClientSession) doResultMessage(stream *Stream, tid int) error {
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}
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}
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}
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}
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default:
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default:
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log.Errorf("unknown tid. tid=%d", tid)
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log.Errorf("unknown tid. [%s] tid=%d", s.UniqueKey, tid)
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}
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}
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return nil
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return nil
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}
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}
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@ -268,17 +270,17 @@ func (s *ClientSession) doProtocolControlMessage(stream *Stream) error {
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}
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}
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val := int(bele.BEUint32(stream.msg.buf))
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val := int(bele.BEUint32(stream.msg.buf))
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switch stream.header.msgTypeID {
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switch stream.header.MsgTypeID {
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case typeidWinAckSize:
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case typeidWinAckSize:
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s.peerWinAckSize = val
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s.peerWinAckSize = val
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log.Infof("-----> Window Acknowledgement Size: %d", s.peerWinAckSize)
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log.Infof("-----> Window Acknowledgement Size: %d. [%s]", s.peerWinAckSize, s.UniqueKey)
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case typeidBandwidth:
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case typeidBandwidth:
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log.Warn("-----> Set Peer Bandwidth. ignore")
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log.Warnf("-----> Set Peer Bandwidth. ignore. [%s]", s.UniqueKey)
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case typeidSetChunkSize:
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case typeidSetChunkSize:
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// composer内部会自动更新peer chunk size.
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// composer内部会自动更新peer chunk size.
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log.Infof("-----> Set Chunk Size %d", val)
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log.Infof("-----> Set Chunk Size %d. [%s]", val, s.UniqueKey)
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default:
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default:
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log.Errorf("unknown msg type id. id=%d", stream.header.msgTypeID)
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log.Errorf("unknown msg type id. [%s] id=%d", s.UniqueKey, stream.header.MsgTypeID)
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}
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}
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return nil
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return nil
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}
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}
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q191201771
6 years ago