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Limit number of TURN servers to 32

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Limit the number of TURN servers to 32 in order to allow the
prioritization to assume a fixed offset for (de)prioritizing
candidates. See
  https://github.com/w3c/webrtc-pc/pull/2679
for discussion including some data on current usage.

Guarded by WebRTC-LimitTurnServers which is used as a killswitch.

BUG=webrtc:13195

Change-Id: Ib12726af426ae4238aa7eb6aa062c71af52d495f
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/285340
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Philipp Hancke <phancke@microsoft.com>
Reviewed-by: Florent Castelli <orphis@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38767}
This commit is contained in:
Philipp Hancke
2022-11-28 14:47:45 +01:00
committed by WebRTC LUCI CQ
parent b889a7aee4
commit 41a8357170
2 changed files with 25 additions and 0 deletions
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4
api/candidate.h
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@ -25,6 +25,10 @@
namespace cricket {
// TURN servers are limited to 32 in accordance with
// https://w3c.github.io/webrtc-pc/#dom-rtcconfiguration-iceservers
static constexpr size_t kMaxTurnServers = 32;
// Candidate for ICE based connection discovery.
// TODO(phoglund): remove things in here that are not needed in the public API.