func (h *streamHandler) OnRawMessage(code uint8, r *xio.PacketReader) error {
if h.fw.closed {
return errors.New("stream.onRawMessage.closed")
}
if flag, err := r.Read16(); err != nil {
return errors.New("stream.onRawMessage.read flag")
} else if flag != 0x22 {
return errors.New("stream.onRawMessage.unknown flag")
}
return nil
}
func (h *connHandler) OnRawMessage(code uint8, r *xio.PacketReader) error {
if h.fw.closed {
return errors.New("conn.onRawMessage.closed")
}
if flag, err := r.Read16(); err != nil {
return errors.New("conn.onRawMessage.read flag")
} else if flag != 0x03 {
return errors.New("conn.onRawMessage.unkonwn flag")
}
if sid, err := r.Read32(); err != nil {
return errors.New("conn.onRawMessage.read sid")
} else if sid != 0 {
if err := h.newSetBufferTime(sid); err != nil {
return errors.New("conn.onRawMessage.setbuffertime response")
}
}
return nil
}
func ParseRequestMessage(r *xio.PacketReader) (*RequestMessage, error) {
var err error
code := uint8(0)
if code, err = r.Read8(); err != nil {
return nil, errors.New("message.read code")
} else if code == 0xff {
return nil, EOP
}
var size uint16
if size, err = r.Read16(); err != nil {
return nil, errors.New("message.read size")
}
rlen := r.Len()
mlen := int(size)
if rlen < mlen {
return nil, errors.New("message.bad content length")
} else {
data := r.Bytes()[:mlen]
if err := r.Skip(mlen); err != nil {
return nil, errors.New("message.skip forward")
}
return &RequestMessage{code, xio.NewPacketReader(data)}, nil
}
}
func (h *Handshake) handle(r *xio.PacketReader) (*packet, error) {
if marker, err := r.Read8(); err != nil {
return nil, errors.New("packet.read marker")
} else {
if _, err := r.Read16(); err != nil {
return nil, errors.New("packet.read time")
}
if marker != 0x0b {
counts.Count("handshake.marker.unknown", 1)
return nil, errors.New(fmt.Sprintf("packet.unknown marker = 0x%02x", marker))
}
}
if msg, err := rtmfp.ParseRequestMessage(r); err != nil {
return nil, err
} else {
switch msg.Code {
default:
counts.Count("handshake.code.unknown", 1)
return nil, errors.New(fmt.Sprintf("message.unknown code = 0x%02x", msg.Code))
case 0x30:
if rsp, err := h.handleHello(msg.PacketReader); err != nil {
counts.Count("handshake.hello.error", 1)
return nil, err
} else {
return &packet{0, rsp}, nil
}
case 0x38:
if rsp, yid, err := h.handleAssign(msg.PacketReader); err != nil {
counts.Count("handshake.assign.error", 1)
return nil, err
} else {
return &packet{yid, rsp}, nil
}
}
}
}
func (s *Session) handle(r *xio.PacketReader) error {
if marker, err := r.Read8(); err != nil {
return errors.New("packet.read marker")
} else {
if s.stmptime, err = r.Read16(); err != nil {
return errors.New("packet.read time")
}
switch marker | 0xf0 {
default:
counts.Count("session.marker.unknown", 1)
return errors.New(fmt.Sprintf("packet.unknown marker = 0x%02x", marker))
case 0xfd:
if _, err = r.Read16(); err != nil {
return errors.New("packet.read ping time")
}
case 0xf9:
}
}
msglist := list.New()
for r.Len() != 0 {
if msg, err := rtmfp.ParseRequestMessage(r); err != nil {
if err != rtmfp.EOP {
return err
}
break
} else {
msglist.PushBack(msg)
}
}
var lastreq *flowRequest = nil
for e := msglist.Front(); e != nil; e = e.Next() {
msg := e.Value.(*rtmfp.RequestMessage)
if msg.Code != 0x11 && lastreq != nil {
if err := s.handleFlowRequest(lastreq); err != nil {
return err
}
lastreq = nil
}
switch msg.Code {
default:
s.Close()
counts.Count("session.code.unknown", 1)
return errors.New(fmt.Sprintf("message.close code = 0x%02x", msg.Code))
case 0x4c:
s.Close()
counts.Count("session.code.close", 1)
return nil
case 0x01:
s.send(newKeepAliveResponse(true))
case 0x41:
case 0x5e:
if req, err := parseFlowErrorRequest(msg.PacketReader); err != nil {
counts.Count("session.parse5e.error", 1)
return err
} else if fw := s.writers[req.fid]; fw != nil {
fw.reader.handler.OnClose()
} else {
xlog.OutLog.Printf("[session]: xid = %d, writer.fid = %d, flow not found 0x5e\n", s.xid, req.fid)
}
case 0x51:
if req, err := parseFlowAckRequest(msg.PacketReader); err != nil {
counts.Count("session.parse51.error", 1)
return err
} else if fw := s.writers[req.fid]; fw != nil {
fw.CommitAck(req.cnt, req.ack)
} else {
xlog.OutLog.Printf("[session]: xid = %d, writer.fid = %d, flow not found 0x51\n", s.xid, req.fid)
}
case 0x10:
if req, err := parseFlowRequest(msg.PacketReader); err != nil {
counts.Count("session.parse10.error", 1)
return err
} else {
lastreq = req
}
case 0x11:
if req, err := parseFlowRequestSlice(msg.PacketReader); err != nil {
counts.Count("session.parse11.error", 1)
return err
} else if lastreq != nil {
lastreq.AddSlice(req)
} else {
xlog.OutLog.Printf("[session]: xid = %d, not following message\n", s.xid)
}
}
}
if lastreq != nil {
return s.handleFlowRequest(lastreq)
}
return nil
}