Comunic/ComunicRTCProxy
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This commit is contained in:
Pierre HUBERT 2020-04-12 17:09:45 +02:00
parent 89f6e67a53
commit 98875aa47d
1 changed files with 27 additions and 14 deletions
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41
relay.go
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@ -6,7 +6,6 @@ package main
import (
"encoding/json"
"fmt"
"io"
"log"
"sync"
@ -46,8 +45,8 @@ type activeRelay struct {
}
/// We keep for each connection its channel
var closeChan = make(chan activeRelay)
var connections = make(map[string]activeRelay)
var closeChan = make(chan *activeRelay)
var connections = make(map[string]*activeRelay)
var currID uint = 0
@ -114,7 +113,7 @@ func onSignal(callHash, peerID string, data map[string]interface{}) {
// Check if we are attempting to connect as viewer to a non existing channel
if _, ok := connections[callHash]; !ok {
if peerID != "0" || newSignal.sigType != SDP {
println("Attempting to connect as viewer | send candidate to a non-ready broadcast!")
log.Printf("Attempting to connect as viewer | send candidate to a non-ready broadcast! (callhash %s / peerid %s)", callHash, peerID)
return
}
}
@ -127,13 +126,14 @@ func onSignal(callHash, peerID string, data map[string]interface{}) {
closeConnection(val)
}
connections[callHash] = activeRelay{
newRelay := activeRelay{
id: currID,
callHash: callHash,
channel: make(chan receivedSignal, 10),
}
currID++
go newCall(newSignal, connections[callHash])
connections[callHash] = &newRelay
go newCall(newSignal, &newRelay)
} else {
// Forward the message to the channel
@ -156,17 +156,23 @@ func onCloseConnection(callHash, peerID string) {
}
/// Close a connection
func closeConnection(r activeRelay) {
func closeConnection(r *activeRelay) {
log.Printf("Closing call %s / id: %d", r.callHash, r.id)
if val, ok := connections[r.callHash]; ok && val.id == r.id {
close(val.channel)
delete(connections, r.callHash)
// Close the channel
if !r.closed {
close(r.channel)
r.closed = true
}
// Remove the channel from the list
if val, ok := connections[r.callHash]; ok && val.id == r.id {
delete(connections, r.callHash)
}
}
// Ask for a channel to be closed
func askForClose(r activeRelay) {
func askForClose(r *activeRelay) {
closeChan <- r
}
@ -183,7 +189,7 @@ func processCloseRequests() {
}
/// Start new call
func newCall(mainOffer receivedSignal, r activeRelay) {
func newCall(mainOffer receivedSignal, r *activeRelay) {
log.Printf("Starting new call: %s", mainOffer.callHash)
@ -221,6 +227,14 @@ func newCall(mainOffer receivedSignal, r activeRelay) {
return
}
// Check if the connection is closed
mainPeerConnection.OnConnectionStateChange(func(s webrtc.PeerConnectionState) {
if s == webrtc.PeerConnectionStateClosed {
askForClose(r)
return
}
})
// Close peer connection
defer mainPeerConnection.Close()
@ -279,7 +293,7 @@ func newCall(mainOffer receivedSignal, r activeRelay) {
}
if rtcpSendErr := mainPeerConnection.WriteRTCP([]rtcp.Packet{&rtcp.PictureLossIndication{MediaSSRC: remoteTrack.SSRC()}}); rtcpSendErr != nil {
fmt.Println("Write RTCP error:", rtcpSendErr)
log.Println("Write RTCP error:", rtcpSendErr)
askForClose(r)
return
}
@ -308,7 +322,6 @@ func newCall(mainOffer receivedSignal, r activeRelay) {
for {
i, readErr := remoteTrack.Read(rtpBuf)
if readErr != nil {
// Could not read from remote track
log.Println("Read error!", readErr)
askForClose(r)