/* Send RTSP message and get response */
static int transactRtspMessage(PRTSP_MESSAGE request, PRTSP_MESSAGE response) {
SOCK_RET err;
int ret = 0;
int offset;
char* serializedMessage = NULL;
int messageLen;
sock = connectTcpSocket(remoteAddr, 48010);
if (sock == INVALID_SOCKET) {
return ret;
}
enableNoDelay(sock);
serializedMessage = serializeRtspMessage(request, &messageLen);
if (serializedMessage == NULL) {
closesocket(sock);
return ret;
}
// Send our message
err = send(sock, serializedMessage, messageLen, 0);
if (err == SOCKET_ERROR) {
goto Exit;
}
// Read the response until the server closes the connection
offset = 0;
for (;;) {
err = recv(sock, &responseBuffer[offset], RTSP_MAX_RESP_SIZE - offset, 0);
if (err <= 0) {
// Done reading
break;
}
offset += err;
// Warn if the RTSP message is too big
if (offset == RTSP_MAX_RESP_SIZE) {
Limelog("RTSP message too long\n");
goto Exit;
}
}
if (parseRtspMessage(response, responseBuffer, offset) == RTSP_ERROR_SUCCESS) {
// Successfully parsed response
ret = 1;
}
else {
Limelog("Failed to parse RTSP response\n");
}
Exit:
if (serializedMessage != NULL) {
free(serializedMessage);
}
closesocket(sock);
sock = INVALID_SOCKET;
return ret;
}
/* Begin the input stream */
int startInputStream(void) {
int err;
inputSock = connectTcpSocket(&RemoteAddr, RemoteAddrLen, 35043);
if (inputSock == INVALID_SOCKET) {
return LastSocketFail();
}
enableNoDelay(inputSock);
err = PltCreateThread(inputSendThreadProc, NULL, &inputSendThread);
if (err != 0) {
return err;
}
return err;
}
/* Starts the control stream */
int startControlStream(void) {
int err;
ctlSock = connectTcpSocket(&RemoteAddr, RemoteAddrLen, 47995);
if (ctlSock == INVALID_SOCKET) {
return LastSocketFail();
}
enableNoDelay(ctlSock);
// Send START A
if (!sendMessageAndDiscardReply(packetTypes[IDX_START_A],
payloadLengths[IDX_START_A],
preconstructedPayloads[IDX_START_A])) {
Limelog("Start A failed: %d\n", (int)LastSocketError());
return LastSocketFail();
}
// Send START B
if (!sendMessageAndDiscardReply(packetTypes[IDX_START_B],
payloadLengths[IDX_START_B],
preconstructedPayloads[IDX_START_B])) {
Limelog("Start B failed: %d\n", (int)LastSocketError());
return LastSocketFail();
}
err = PltCreateThread(lossStatsThreadFunc, NULL, &lossStatsThread);
if (err != 0) {
return err;
}
err = PltCreateThread(resyncThreadFunc, NULL, &resyncThread);
if (err != 0) {
return err;
}
return 0;
}
