Start RTSP handshake work (pending RTSPLib integration)

limelight-common/RtspConnection.c

@@ -0,0 +1,63 @@
+#include "Limelight-internal.h"
+
+static SOCKET sock = INVALID_SOCKET;
+
+#define RTSP_MAX_RESP_SIZE 1024
+
+// FIXME defs
+static void* transactRtspMessage(IP_ADDRESS addr, void* message) {
+	int err;
+	char responseBuffer[RTSP_MAX_RESP_SIZE];
+	int offset;
+	void* responseMsg = NULL;
+
+	sock = connectTcpSocket(addr, 48010);
+	if (sock == INVALID_SOCKET) {
+		return NULL;
+	}
+	enableNoDelay(sock);
+
+	char* serializedMessage = NULL; // FIXME
+	int messageLen = 0; // FIXME
+
+	// 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");
+			goto Exit;
+		}
+	}
+
+	responseMsg = NULL; // FIXME
+
+Exit:
+	closesocket(sock);
+	sock = INVALID_SOCKET;
+	return responseMsg;
+}
+
+void terminateRtspHandshake(void) {
+	if (sock != INVALID_SOCKET) {
+		closesocket(sock);
+		sock = INVALID_SOCKET;
+	}
+}
+
+int performRtspHandshake(IP_ADDRESS addr, PSTREAM_CONFIGURATION streamConfigPtr) {
+	return 0;
+}