moonlight-stream/moonlight-common-c
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Reduce ENet retransmission delay by sleeping for shorter periods between polls

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This commit is contained in:
Cameron Gutman 2020-03-29 14:35:24 -07:00
parent c1b8aa266f
commit c3ab74b8af
1 changed files with 7 additions and 3 deletions
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10
src/ControlStream.c
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@ -471,7 +471,7 @@ static void controlReceiveThreadFunc(void* context) {
while (!PltIsThreadInterrupted(&controlReceiveThread)) { while (!PltIsThreadInterrupted(&controlReceiveThread)) {
ENetEvent event; ENetEvent event;
// Poll every 100 ms for new packets // Poll for new packets and process retransmissions
PltLockMutex(&enetMutex); PltLockMutex(&enetMutex);
err = serviceEnetHost(client, &event, 0); err = serviceEnetHost(client, &event, 0);
PltUnlockMutex(&enetMutex); PltUnlockMutex(&enetMutex);
@ -510,8 +510,12 @@ static void controlReceiveThreadFunc(void* context) {
} }
} }
else { else {
// No events ready // No events ready - sleep for a short time
PltSleepMsInterruptible(&controlReceiveThread, 100); //
// NOTE: This sleep *directly* impacts the lowest possible retransmission
// time for packets after a loss event. If we're busy sleeping here, we can't
// retransmit a dropped packet, so we keep the sleep time to a minimum.
PltSleepMsInterruptible(&controlReceiveThread, 10);
continue; continue;
} }
} }