vncproxy/player/fbs-play-listener.go
2017-08-24 14:33:53 +03:00

110 lines
3.0 KiB
Go

package player
import (
"encoding/binary"
"io"
"time"
"vncproxy/client"
"vncproxy/common"
"vncproxy/logger"
"vncproxy/server"
)
type VncStreamFileReader interface {
io.Reader
CurrentTimestamp() int
ReadStartSession() (*common.ServerInit, error)
CurrentPixelFormat() *common.PixelFormat
Encodings() []common.IEncoding
}
type FBSPlayListener struct {
Conn *server.ServerConn
Fbs VncStreamFileReader
serverMessageMap map[uint8]common.ServerMessage
firstSegDone bool
startTime int
}
func ConnectFbsFile(filename string, conn *server.ServerConn) (*FbsReader, error) {
fbs, err := NewFbsReader(filename)
if err != nil {
logger.Error("failed to open fbs reader:", err)
return nil, err
}
//NewFbsReader("/Users/amitbet/vncRec/recording.rbs")
initMsg, err := fbs.ReadStartSession()
if err != nil {
logger.Error("failed to open read fbs start session:", err)
return nil, err
}
conn.SetPixelFormat(&initMsg.PixelFormat)
conn.SetHeight(initMsg.FBHeight)
conn.SetWidth(initMsg.FBWidth)
conn.SetDesktopName(string(initMsg.NameText))
return fbs, nil
}
func NewFBSPlayListener(conn *server.ServerConn, r *FbsReader) *FBSPlayListener {
h := &FBSPlayListener{Conn: conn, Fbs: r}
cm := client.MsgBell(0)
h.serverMessageMap = make(map[uint8]common.ServerMessage)
h.serverMessageMap[0] = &client.MsgFramebufferUpdate{}
h.serverMessageMap[1] = &client.MsgSetColorMapEntries{}
h.serverMessageMap[2] = &cm
h.serverMessageMap[3] = &client.MsgServerCutText{}
return h
}
func (handler *FBSPlayListener) Consume(seg *common.RfbSegment) error {
switch seg.SegmentType {
case common.SegmentFullyParsedClientMessage:
clientMsg := seg.Message.(common.ClientMessage)
logger.Debugf("ClientUpdater.Consume:(vnc-server-bound) got ClientMessage type=%s", clientMsg.Type())
switch clientMsg.Type() {
case common.FramebufferUpdateRequestMsgType:
if !handler.firstSegDone {
handler.firstSegDone = true
handler.startTime = int(time.Now().UnixNano() / int64(time.Millisecond))
}
handler.sendFbsMessage()
}
// server.MsgFramebufferUpdateRequest:
}
return nil
}
func (h *FBSPlayListener) sendFbsMessage() {
var messageType uint8
//messages := make(map[uint8]common.ServerMessage)
fbs := h.Fbs
//conn := h.Conn
err := binary.Read(fbs, binary.BigEndian, &messageType)
if err != nil {
logger.Error("TestServer.NewConnHandler: Error in reading FBS segment: ", err)
return
}
//common.IClientConn{}
binary.Write(h.Conn, binary.BigEndian, messageType)
msg := h.serverMessageMap[messageType]
if msg == nil {
logger.Error("TestServer.NewConnHandler: Error unknown message type: ", messageType)
return
}
timeSinceStart := int(time.Now().UnixNano()/int64(time.Millisecond)) - h.startTime
timeToSleep := fbs.CurrentTimestamp() - timeSinceStart
if timeToSleep > 0 {
time.Sleep(time.Duration(timeToSleep) * time.Millisecond)
}
err = msg.CopyTo(fbs, h.Conn, fbs)
if err != nil {
logger.Error("TestServer.NewConnHandler: Error in reading FBS segment: ", err)
return
}
}