// UDP Ping proc
static void UdpPingThreadProc(void* context) {
char pingData[] = { 0x50, 0x49, 0x4E, 0x47 };
struct sockaddr_in6 saddr;
SOCK_RET err;
memcpy(&saddr, &RemoteAddr, sizeof(saddr));
saddr.sin6_port = htons(RTP_PORT);
while (!PltIsThreadInterrupted(&udpPingThread)) {
err = sendto(rtpSocket, pingData, sizeof(pingData), 0, (struct sockaddr*)&saddr, RemoteAddrLen);
if (err != sizeof(pingData)) {
Limelog("Video Ping: send() failed: %d\n", (int)LastSocketError());
ListenerCallbacks.connectionTerminated(LastSocketError());
return;
}
PltSleepMs(500);
}
}
static void lossStatsThreadFunc(void* context) {
char *lossStatsPayload;
BYTE_BUFFER byteBuffer;
lossStatsPayload = malloc(payloadLengths[IDX_LOSS_STATS]);
if (lossStatsPayload == NULL) {
Limelog("Loss Stats: malloc() failed\n");
ListenerCallbacks.connectionTerminated(-1);
return;
}
while (!PltIsThreadInterrupted(&lossStatsThread)) {
// Construct the payload
BbInitializeWrappedBuffer(&byteBuffer, lossStatsPayload, 0, payloadLengths[IDX_LOSS_STATS], BYTE_ORDER_LITTLE);
BbPutInt(&byteBuffer, lossCountSinceLastReport);
BbPutInt(&byteBuffer, LOSS_REPORT_INTERVAL_MS);
BbPutInt(&byteBuffer, 1000);
BbPutLong(&byteBuffer, currentFrame);
BbPutInt(&byteBuffer, 0);
BbPutInt(&byteBuffer, 0);
BbPutInt(&byteBuffer, 0x14);
// Send the message (and don't expect a response)
if (!sendMessageAndForget(packetTypes[IDX_LOSS_STATS],
payloadLengths[IDX_LOSS_STATS], lossStatsPayload)) {
free(lossStatsPayload);
Limelog("Loss Stats: Transaction failed: %d\n", (int)LastSocketError());
ListenerCallbacks.connectionTerminated(LastSocketError());
return;
}
// Clear the transient state
lossCountSinceLastReport = 0;
// Wait a bit
PltSleepMs(LOSS_REPORT_INTERVAL_MS);
}
free(lossStatsPayload);
}
static void UdpPingThreadProc(void *context) {
/* Ping in ASCII */
char pingData[] = { 0x50, 0x49, 0x4E, 0x47 };
struct sockaddr_in saddr;
SOCK_RET err;
memset(&saddr, 0, sizeof(saddr));
saddr.sin_family = AF_INET;
saddr.sin_port = htons(RTP_PORT);
memcpy(&saddr.sin_addr, &remoteHost, sizeof(remoteHost));
/* Send PING every 500 milliseconds */
while (!PltIsThreadInterrupted(&udpPingThread)) {
err = sendto(rtpSocket, pingData, sizeof(pingData), 0, (struct sockaddr*)&saddr, sizeof(saddr));
if (err != sizeof(pingData)) {
Limelog("UDP ping thread terminating #1\n");
listenerCallbacks->connectionTerminated(LastSocketError());
return;
}
PltSleepMs(500);
}
}