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Check TURN servers periodically, and at start of calls

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Hopefully this should make our turn-credential checking code a bit
more robust (and possibly fix a seconds / ms mismatch).
This commit is contained in:
David Baker
2021-03-08 18:49:25 +00:00
parent c18ef051fc
commit 59c93b59bf
2 changed files with 65 additions and 39 deletions
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15
src/webrtc/call.ts
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@@ -527,6 +527,13 @@ export class MatrixCall extends EventEmitter {
const invite = event.getContent();
this.direction = CallDirection.Inbound;
// make sure we have valid turn creds. Unless something's gone wrong, it should
// poll and keep the credentials valid so this should be instant.
const haveTurnCreds = await this.client._checkTurnServers();
if (!haveTurnCreds) {
logger.warn("Failed to get TURN credentials! Proceeding with call anyway...");
}
this.peerConn = this.createPeerConnection();
// we must set the party ID before await-ing on anything: the call event
// handler will start giving us more call events (eg. candidates) so if
@@ -1662,6 +1669,14 @@ export class MatrixCall extends EventEmitter {
this.setState(CallState.WaitLocalMedia);
this.direction = CallDirection.Outbound;
this.config = constraints;
// make sure we have valid turn creds. Unless something's gone wrong, it should
// poll and keep the credentials valid so this should be instant.
const haveTurnCreds = await this.client._checkTurnServers();
if (!haveTurnCreds) {
logger.warn("Failed to get TURN credentials! Proceeding with call anyway...");
}
// It would be really nice if we could start gathering candidates at this point
// so the ICE agent could be gathering while we open our media devices: we already
// know the type of the call and therefore what tracks we want to send.