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Change the default backup connection ping interval to 25 seconds.

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This avoids the issue that the backup connection may be pinged faster
than the stable rate (once every 2.5 second) we have chosen for
non-backup connections.

R=deadbeef@webrtc.org, pthatcher@webrtc.org, zhihuang@webrtc.org

Review URL: https://codereview.webrtc.org/2239423002 .

Cr-Commit-Position: refs/heads/master@{#13787}
This commit is contained in:
Honghai Zhang 2016-08-16 16:48:02 -07:00
parent 287e54820b
commit 895e1a9dc3
1 changed files with 4 additions and 1 deletions
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5
webrtc/p2p/base/p2ptransportchannel.cc
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@ -85,6 +85,9 @@ static const int RECEIVING_SWITCHING_DELAY = 1000; // ms
// We periodically check if any existing networks do not have any connection
// and regather on those networks.
static const int DEFAULT_REGATHER_ON_FAILED_NETWORKS_INTERVAL = 5 * 60 * 1000;
static constexpr int DEFAULT_BACKUP_CONNECTION_PING_INTERVAL = 25 * 1000;
static constexpr int a_is_better = 1;
static constexpr int b_is_better = -1;
@ -109,7 +112,7 @@ P2PTransportChannel::P2PTransportChannel(const std::string& transport_name,
gathering_state_(kIceGatheringNew),
check_receiving_interval_(MIN_CHECK_RECEIVING_INTERVAL * 5),
config_(MIN_CHECK_RECEIVING_INTERVAL * 50 /* receiving_timeout */,
0 /* backup_connection_ping_interval */,
DEFAULT_BACKUP_CONNECTION_PING_INTERVAL,
GATHER_ONCE /* continual_gathering_policy */,
false /* prioritize_most_likely_candidate_pairs */,
STABLE_WRITABLE_CONNECTION_PING_INTERVAL,