server: rename session states

new states:
* PreRead
* Read
* PrePublish
* Publish
This commit is contained in:
aler9
2021-08-11 12:04:19 +02:00
parent c45a1b3995
commit d05a92be5f

View File

@@ -81,10 +81,10 @@ type ServerSessionState int
// standard states.
const (
ServerSessionStateInitial ServerSessionState = iota
ServerSessionStatePrePlay
ServerSessionStatePlay
ServerSessionStatePreRecord
ServerSessionStateRecord
ServerSessionStatePreRead
ServerSessionStateRead
ServerSessionStatePrePublish
ServerSessionStatePublish
)
// String implements fmt.Stringer.
@@ -92,13 +92,13 @@ func (s ServerSessionState) String() string {
switch s {
case ServerSessionStateInitial:
return "initial"
case ServerSessionStatePrePlay:
case ServerSessionStatePreRead:
return "prePlay"
case ServerSessionStatePlay:
case ServerSessionStateRead:
return "play"
case ServerSessionStatePreRecord:
case ServerSessionStatePrePublish:
return "preRecord"
case ServerSessionStateRecord:
case ServerSessionStatePublish:
return "record"
}
return "unknown"
@@ -275,8 +275,8 @@ func (ss *ServerSession) run() {
}
// if session is not in state RECORD or PLAY, or protocol is TCP
if (ss.state != ServerSessionStateRecord &&
ss.state != ServerSessionStatePlay) ||
if (ss.state != ServerSessionStatePublish &&
ss.state != ServerSessionStateRead) ||
*ss.setuppedProtocol == base.StreamProtocolTCP {
// close if there are no active connections
@@ -288,7 +288,7 @@ func (ss *ServerSession) run() {
case <-checkTimeoutTicker.C:
switch {
// in case of RECORD and UDP, timeout happens when no frames are being received
case ss.state == ServerSessionStateRecord && *ss.setuppedProtocol == base.StreamProtocolUDP:
case ss.state == ServerSessionStatePublish && *ss.setuppedProtocol == base.StreamProtocolUDP:
now := time.Now()
lft := atomic.LoadInt64(ss.udpLastFrameTime)
if now.Sub(time.Unix(lft, 0)) >= ss.s.ReadTimeout {
@@ -296,7 +296,7 @@ func (ss *ServerSession) run() {
}
// in case of PLAY and UDP, timeout happens when no request arrives
case ss.state == ServerSessionStatePlay && *ss.setuppedProtocol == base.StreamProtocolUDP:
case ss.state == ServerSessionStateRead && *ss.setuppedProtocol == base.StreamProtocolUDP:
now := time.Now()
if now.Sub(ss.lastRequestTime) >= ss.s.closeSessionAfterNoRequestsFor {
return liberrors.ErrServerSessionTimedOut{}
@@ -306,7 +306,7 @@ func (ss *ServerSession) run() {
}
case <-receiverReportTicker.C:
if ss.state != ServerSessionStateRecord {
if ss.state != ServerSessionStatePublish {
continue
}
@@ -325,7 +325,7 @@ func (ss *ServerSession) run() {
ss.ctxCancel()
switch ss.state {
case ServerSessionStatePlay:
case ServerSessionStateRead:
ss.setuppedStream.readerSetInactive(ss)
if *ss.setuppedProtocol == base.StreamProtocolUDP &&
@@ -333,7 +333,7 @@ func (ss *ServerSession) run() {
ss.s.udpRTCPListener.removeClient(ss)
}
case ServerSessionStateRecord:
case ServerSessionStatePublish:
if *ss.setuppedProtocol == base.StreamProtocolUDP {
ss.s.udpRTPListener.removeClient(ss)
ss.s.udpRTCPListener.removeClient(ss)
@@ -491,7 +491,7 @@ func (ss *ServerSession) handleRequest(sc *ServerConn, req *base.Request) (*base
})
if res.StatusCode == base.StatusOK {
ss.state = ServerSessionStatePreRecord
ss.state = ServerSessionStatePrePublish
ss.setuppedPath = &path
ss.setuppedQuery = &query
ss.setuppedBaseURL = req.URL
@@ -513,9 +513,9 @@ func (ss *ServerSession) handleRequest(sc *ServerConn, req *base.Request) (*base
case base.Setup:
err := ss.checkState(map[ServerSessionState]struct{}{
ServerSessionStateInitial: {},
ServerSessionStatePrePlay: {},
ServerSessionStatePreRecord: {},
ServerSessionStateInitial: {},
ServerSessionStatePreRead: {},
ServerSessionStatePrePublish: {},
})
if err != nil {
return &base.Response{
@@ -553,7 +553,7 @@ func (ss *ServerSession) handleRequest(sc *ServerConn, req *base.Request) (*base
}()
switch ss.state {
case ServerSessionStateInitial, ServerSessionStatePrePlay: // play
case ServerSessionStateInitial, ServerSessionStatePreRead: // play
if inTH.Mode != nil && *inTH.Mode != headers.TransportModePlay {
return &base.Response{
StatusCode: base.StatusBadRequest,
@@ -646,7 +646,7 @@ func (ss *ServerSession) handleRequest(sc *ServerConn, req *base.Request) (*base
}, err
}
ss.state = ServerSessionStatePrePlay
ss.state = ServerSessionStatePreRead
ss.setuppedPath = &path
ss.setuppedQuery = &query
ss.setuppedStream = stream
@@ -654,7 +654,7 @@ func (ss *ServerSession) handleRequest(sc *ServerConn, req *base.Request) (*base
th := headers.Transport{}
if ss.state == ServerSessionStatePrePlay {
if ss.state == ServerSessionStatePreRead {
ssrc := stream.ssrc(trackID)
if ssrc != 0 {
th.SSRC = &ssrc
@@ -737,8 +737,8 @@ func (ss *ServerSession) handleRequest(sc *ServerConn, req *base.Request) (*base
case base.Play:
// play can be sent twice, allow calling it even if we're already playing
err := ss.checkState(map[ServerSessionState]struct{}{
ServerSessionStatePrePlay: {},
ServerSessionStatePlay: {},
ServerSessionStatePreRead: {},
ServerSessionStateRead: {},
})
if err != nil {
return &base.Response{
@@ -764,7 +764,7 @@ func (ss *ServerSession) handleRequest(sc *ServerConn, req *base.Request) (*base
path, query := base.PathSplitQuery(pathAndQuery)
if ss.State() == ServerSessionStatePrePlay &&
if ss.State() == ServerSessionStatePreRead &&
path != *ss.setuppedPath {
return &base.Response{
StatusCode: base.StatusBadRequest,
@@ -779,9 +779,9 @@ func (ss *ServerSession) handleRequest(sc *ServerConn, req *base.Request) (*base
Query: query,
})
if ss.state != ServerSessionStatePlay {
if ss.state != ServerSessionStateRead {
if res.StatusCode == base.StatusOK {
ss.state = ServerSessionStatePlay
ss.state = ServerSessionStateRead
if *ss.setuppedProtocol == base.StreamProtocolUDP {
ss.udpIP = sc.ip()
@@ -852,7 +852,7 @@ func (ss *ServerSession) handleRequest(sc *ServerConn, req *base.Request) (*base
case base.Record:
err := ss.checkState(map[ServerSessionState]struct{}{
ServerSessionStatePreRecord: {},
ServerSessionStatePrePublish: {},
})
if err != nil {
return &base.Response{
@@ -901,7 +901,7 @@ func (ss *ServerSession) handleRequest(sc *ServerConn, req *base.Request) (*base
})
if res.StatusCode == base.StatusOK {
ss.state = ServerSessionStateRecord
ss.state = ServerSessionStatePublish
if *ss.setuppedProtocol == base.StreamProtocolUDP {
for trackID, track := range ss.setuppedTracks {
@@ -929,10 +929,10 @@ func (ss *ServerSession) handleRequest(sc *ServerConn, req *base.Request) (*base
case base.Pause:
err := ss.checkState(map[ServerSessionState]struct{}{
ServerSessionStatePrePlay: {},
ServerSessionStatePlay: {},
ServerSessionStatePreRecord: {},
ServerSessionStateRecord: {},
ServerSessionStatePreRead: {},
ServerSessionStateRead: {},
ServerSessionStatePrePublish: {},
ServerSessionStatePublish: {},
})
if err != nil {
return &base.Response{
@@ -962,10 +962,10 @@ func (ss *ServerSession) handleRequest(sc *ServerConn, req *base.Request) (*base
if res.StatusCode == base.StatusOK {
switch ss.state {
case ServerSessionStatePlay:
case ServerSessionStateRead:
ss.setuppedStream.readerSetInactive(ss)
ss.state = ServerSessionStatePrePlay
ss.state = ServerSessionStatePreRead
ss.udpIP = nil
ss.udpZone = ""
ss.tcpConn = nil
@@ -976,8 +976,8 @@ func (ss *ServerSession) handleRequest(sc *ServerConn, req *base.Request) (*base
return res, liberrors.ErrServerTCPFramesDisable{}
}
case ServerSessionStateRecord:
ss.state = ServerSessionStatePreRecord
case ServerSessionStatePublish:
ss.state = ServerSessionStatePrePublish
ss.udpIP = nil
ss.udpZone = ""
ss.tcpConn = nil