2019-12-28 21:07:03 +00:00
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package main
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import (
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"log"
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"net"
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2020-05-10 13:49:53 +00:00
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"sync"
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2020-05-10 14:02:17 +00:00
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"github.com/aler9/gortsplib"
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2019-12-28 21:07:03 +00:00
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)
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2020-01-20 14:22:01 +00:00
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type serverTcpListener struct {
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2020-05-10 13:49:53 +00:00
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p *program
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netl *net.TCPListener
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mutex sync.RWMutex
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clients map[*serverClient]struct{}
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publishers map[string]*serverClient
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2019-12-28 21:07:03 +00:00
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}
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2020-01-20 14:22:01 +00:00
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func newServerTcpListener(p *program) (*serverTcpListener, error) {
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2019-12-28 21:07:03 +00:00
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netl, err := net.ListenTCP("tcp", &net.TCPAddr{
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2020-05-10 13:33:42 +00:00
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Port: p.args.rtspPort,
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2019-12-28 21:07:03 +00:00
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})
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if err != nil {
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return nil, err
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}
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2020-01-20 14:22:01 +00:00
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s := &serverTcpListener{
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2020-05-10 13:49:53 +00:00
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p: p,
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netl: netl,
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clients: make(map[*serverClient]struct{}),
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publishers: make(map[string]*serverClient),
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2019-12-28 21:07:03 +00:00
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}
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2020-05-10 13:33:42 +00:00
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s.log("opened on :%d", p.args.rtspPort)
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2019-12-28 21:07:03 +00:00
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return s, nil
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}
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2020-01-20 14:22:01 +00:00
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func (l *serverTcpListener) log(format string, args ...interface{}) {
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log.Printf("[TCP listener] "+format, args...)
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2019-12-28 21:07:03 +00:00
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}
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2020-01-20 14:22:01 +00:00
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func (l *serverTcpListener) run() {
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2019-12-28 21:07:03 +00:00
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for {
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2019-12-28 23:44:26 +00:00
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nconn, err := l.netl.AcceptTCP()
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2019-12-28 21:07:03 +00:00
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if err != nil {
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break
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}
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2020-05-03 10:38:11 +00:00
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rsc := newServerClient(l.p, nconn)
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2019-12-29 00:52:52 +00:00
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go rsc.run()
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2019-12-28 21:07:03 +00:00
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}
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}
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2020-05-10 14:02:17 +00:00
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func (l *serverTcpListener) forwardTrack(path string, id int, flow trackFlow, frame []byte) {
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for c := range l.clients {
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if c.path == path && c.state == _CLIENT_STATE_PLAY {
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if c.streamProtocol == _STREAM_PROTOCOL_UDP {
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if flow == _TRACK_FLOW_RTP {
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l.p.rtpl.write <- &udpWrite{
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addr: &net.UDPAddr{
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IP: c.ip(),
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Zone: c.zone(),
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Port: c.streamTracks[id].rtpPort,
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},
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buf: frame,
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}
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} else {
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l.p.rtcpl.write <- &udpWrite{
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addr: &net.UDPAddr{
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IP: c.ip(),
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Zone: c.zone(),
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Port: c.streamTracks[id].rtcpPort,
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},
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buf: frame,
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}
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}
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} else {
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c.write <- &gortsplib.InterleavedFrame{
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Channel: trackToInterleavedChannel(id, flow),
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Content: frame,
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}
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}
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}
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}
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}
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