SRT: When pushing SRT protocol video streams, if the source station receiving the video stream goes down, it will cause the edge station to go down as well. RTMP will automatically switch to other source stations.

[mochadangao]

Description'

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When pushing SRT protocol video streams, if the source server receiving the video stream goes down, it will cause the edge server to go down as well. RTMP will automatically switch to other source servers.'

Please ensure that the markdown structure is maintained.

1. SRS version: 4.0release/4.0.84
2. The log of SRS is as follows:

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[2021-04-27 10:46:22.887][Trace][19019][819400el] <- EPB time=30103602, msgs=41, okbps=2513,2513,0, ikbps=1,1,0
[2021-04-27 10:46:24.949][Trace][19019][3fguh6z6] Hybrid cpu=7.65%,11MB, cid=10,0, timer=51,0,0, clock=1,33,13,1,0,0,0,0,0, objs=(pkt:0,raw:0,fua:0,msg:242,oth:0,buf:0,drop:0)
[2021-04-27 10:46:30.213][Trace][19019][3fguh6z6] Hybrid cpu=11.32%,11MB, cid=10,0, timer=47,0,0, clock=0,22,16,3,3,0,0,0,0, objs=(pkt:0,raw:0,fua:0,msg:239,oth:0,buf:0,drop:0)
[2021-04-27 10:46:32.783][Trace][19019][819400el] <- CPB time=34988199, okbps=0,1,0, ikbps=2584,2594,0, mr=0/350, p1stpt=20000, pnt=5000
[2021-04-27 10:46:32.920][Trace][19019][819400el] <- EPB time=40131633, msgs=41, okbps=2556,2513,0, ikbps=0,1,0
[2021-04-27 10:46:35.383][Trace][19019][3fguh6z6] Hybrid cpu=10.99%,11MB, cid=10,0, timer=47,0,0, clock=0,22,16,3,3,0,0,0,0, objs=(pkt:0,raw:0,fua:0,msg:239,oth:0,buf:0,drop:0)
[2021-04-27 10:46:37.323][Error][19019][819400el][104] edge push get server control message failed. err=code=1007 : recv interlaced message : read basic header : basic header requires 1 bytes : read bytes : read
thread [19019][819400el]: recv_message() [src/protocol/srs_rtmp_stack.cpp:403][errno=104]
thread [19019][819400el]: recv_interlaced_message() [src/protocol/srs_rtmp_stack.cpp:913][errno=104]
thread [19019][819400el]: read_basic_header() [src/protocol/srs_rtmp_stack.cpp:1008][errno=104]
thread [19019][819400el]: grow() [src/protocol/srs_protocol_stream.cpp:179][errno=104]
thread [19019][819400el]: read() [src/protocol/srs_service_st.cpp:524][errno=104](Connection reset by peer)
[2021-04-27 10:46:37.336][Trace][19019][819400el] edge change from 200 to state 0 (init).
[2021-04-27 10:46:37.336][Trace][19019][819400el] TCP: before dispose resource(RtmpConn)(0x2a63db0), conns=1, zombies=0, ign=0, inz=0, ind=0
[2021-04-27 10:46:37.336][Warn][19019][819400el][4] client disconnect peer. ret=1007
[2021-04-27 10:46:37.336][Trace][19019][wi27453d] TCP: clear zombies=1 resources, conns=1, removing=0, unsubs=0
[2021-04-27 10:46:37.336][Trace][19019][819400el] TCP: disposing #0 resource(RtmpConn)(0x2a63db0), conns=1, disposing=1, zombies=0
[2021-04-27 10:46:37.364][Trace][19019][340hf3a7] rtmp client close url:rtmp://127.0.0.1:1935/live/livestream

1. The configuration of SRS is as follows:

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# the config for srs origin-edge cluster
# @see https://github.com/ossrs/srs/wiki/v3_EN_OriginCluster
# @see full.conf for detail config.

listen              1935;
max_connections     1000;
pid                 objs/edgeA.pid;
daemon              on;
srs_log_tank        file;
srs_log_file        ./objs/edgeA.log;

http_server {
    enabled         on;
    listen          8080;
    dir             ./objs/nginx/html;
}

srt_server {
    enabled on;
    listen 10080;
    maxbw 1000000000;
    connect_timeout 4000;
    peerlatency 300;
    recvlatency 300;
}


vhost srs.srt.com.cn {
}

stats {
    network         0;
	disk            sda sdb xvda xvdb;
}

vhost __defaultVhost__ {
    http_remux {
        enabled     on;
        mount       [vhost]/[app]/[stream].flv;
    }
    cluster {
        mode            remote;
        origin          192.168.80.128:19350 192.168.80.131:19350;
    }
}

Replay

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How to replay bug?

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Steps to replay the bug:

1. Start the origin server and edge server normally.
2. Push SRT video stream to the edge server.
3. Stop the origin server that receives the video stream.
4. The edge server will crash along with it.

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Expected behavior:

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Expected behavior:

When the origin server is down, it should automatically switch to another origin server.

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TRANS_BY_GPT3

[winlinvip]

Fixed

Only solved the crash issue, edge does not support SRT.

TRANS_BY_GPT3