moonlight-stream/moonlight-common-c
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Port improved ping interval logic into the control receive loop

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This commit is contained in:
Cameron Gutman 2024-10-20 17:34:35 -05:00
parent 12e603eceb
commit d3d3e6cf01
1 changed files with 20 additions and 2 deletions
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22
src/ControlStream.c
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@ -3,6 +3,10 @@
// This is a private header, but it just contains some time macros
#include <enet/time.h>
#ifndef MIN
#define MIN(x, y) ((x) < (y) ? (x) : (y))
#endif
// NV control stream packet header for TCP
typedef struct _NVCTL_TCP_PACKET_HEADER {
unsigned short type;
@ -1064,9 +1068,23 @@ static void controlReceiveThreadFunc(void* context) {
// We add 1 ms just to ensure we're unlikely to undershoot the sleep() and have to
// do a tiny sleep for another iteration before the timeout is ready to be serviced.
waitTimeMs = ENET_TIME_DIFFERENCE(peer->nextTimeout, client->serviceTime) + 1;
if (waitTimeMs > peer->pingInterval) {
waitTimeMs = peer->pingInterval;
}
// Ensure we don't sleep through a ping
if (peer->lastReceiveTime && peer->lastSendTime) {
enet_uint32 timeSinceLastRecv = ENET_TIME_DIFFERENCE(client->serviceTime, peer->lastReceiveTime);
enet_uint32 timeSinceLastSend = ENET_TIME_DIFFERENCE(client->serviceTime, peer->lastSendTime);
enet_uint32 timeSinceLastComm = MIN(timeSinceLastSend, timeSinceLastRecv);
if (timeSinceLastComm >= peer->pingInterval) {
// Ping is due now for this peer
waitTimeMs = 0;
} else {
waitTimeMs = MIN(waitTimeMs, peer->pingInterval - timeSinceLastComm);
}
}
else {
waitTimeMs = MIN(waitTimeMs, peer->pingInterval);
}
}