text messaging

2 files changed, 67 insertions, 2 deletions

diff --git a/src/uscxml/plugins/invoker/miles/MilesSessionInvoker.cpp b/src/uscxml/plugins/invoker/miles/MilesSessionInvoker.cpp
index 8343758..b45a324 100644
--- a/src/uscxml/plugins/invoker/miles/MilesSessionInvoker.cpp
+++ b/src/uscxml/plugins/invoker/miles/MilesSessionInvoker.cpp
@@ -75,6 +75,8 @@ void MilesSessionInvoker::init_media_buffers() {
 	encoded_out_audio = NULL;
 	audio_read_buf = NULL;
 	video_data = (char *)malloc(1000000);
+	text_msg_buf = (char *)malloc(1000);
+	text_msg_available = 0;
 }
 
 void MilesSessionInvoker::free_media_buffers() {
@@ -103,6 +105,35 @@ void MilesSessionInvoker::free_media_buffers() {
 	if(audio_read_buf)
 		free(audio_read_buf);
 	audio_read_buf = NULL;
+	if(text_msg_buf)
+		free(text_msg_buf);
+	text_msg_buf = NULL;
+	text_msg_available = 0;
+}
+
+// Yes, sort of ugly...
+char confero_text_msg_buf[1000];
+int confero_text_msg_available = 0;
+
+int receive_text_message_callback(u_int32_t ssrc, char *pkt, int length) {
+	char cname[100];
+	int i=0, j;
+
+	while(pkt[i]) {
+		cname[i] = pkt[i];
+		i++;
+	}
+	cname[i++] = 0;
+	j = i;
+	while(pkt[j] && j<length) {
+		if(pkt[j]=='<' || pkt[j]=='>' || pkt[j]=='\r' || pkt[j]=='\n')
+			pkt[j] = ' ';
+		j++;
+	}
+	memcpy(confero_text_msg_buf, pkt+i, length-i);
+	//printf("RTCP app depacketizer called, cname = %s, msg = %s\n", cname, confero_text_msg_buf);
+	confero_text_msg_available = 1;
+	return length;
 }
 
 void MilesSessionInvoker::send(const SendRequest& req) {
@@ -229,7 +260,6 @@ void MilesSessionInvoker::processEventStart(const std::string& origin, const std
 	video_rtp_out_socket = video_rtp_in_socket; 
 	audio_rtp_out_socket = audio_rtp_in_socket; 
 
-	LOG(ERROR) << "rtp sockets set up";
 
 	/* Set up audio and video RTCP sockets */
 	video_rtcp_in_socket = miles_net_setup_udp_socket((char*)reflector.c_str(), video_port+1, video_port+1, 10, 16000);
@@ -273,6 +303,13 @@ void MilesSessionInvoker::processEventStart(const std::string& origin, const std
 		out_rtcp_audio_stream = miles_rtp_setup_outgoing_rtcp_stream(audio_session->rtcp_session, audio_rtcp_out_socket, out_rtp_audio_stream->ssrc);
 	}
 
+	/* Register RTCP APP handler for text messages */
+	rv = miles_rtp_register_rtcp_app_handler("text", NULL, receive_text_message_callback, 0);	
+	if(rv==0) {
+		LOG(ERROR) << "Error registering text message callback";
+	}
+	memset(confero_text_msg_buf, 0, 1000);
+
 	_isRunning = true;
 	_reflector = reflector;
 	_userId = userid;
@@ -340,7 +377,6 @@ void MilesSessionInvoker::processEventThumbnail(const std::string& origin, const
 		returnEvent(ev);
 		return;
 	}
-	LOG(ERROR) << "processEventThumbnail";
 	URL imageURL("emptyface.jpg");
 	imageURL.toAbsolute(_interpreter->getBaseURI());
 	std::stringstream ssImage;
@@ -433,11 +469,26 @@ void MilesSessionInvoker::processEventSendAudioOff(const std::string& origin) {
 	sendaudio_enabled = 0;
 }
 void MilesSessionInvoker::processEventPostText(const std::string& origin, const std::string& userid, const std::string& message) {
+	char msgbuf[1000];
+	char pkt[1000];
+	char *cname = "user@all"; // for now
+	int n, length;
 	Event ev;
+
 	ev.name = "posttext.reply";
 	ev.data.compound["origin"] = origin;
 	returnEvent(ev);
+	if(out_rtcp_video_stream==NULL)
+		return;
+	//printf("sending message %s\n", message.c_str());
+	memcpy(msgbuf, cname, strlen(cname)+1);
+	sprintf(msgbuf+strlen(cname)+1, "<%s>: %s", userid.c_str(), message.c_str());
+	n = strlen(cname)+1 + userid.length() + 4 + message.length();
+	length = miles_rtp_make_rtcp_app(pkt, out_rtcp_video_stream->ssrc, "text", n, msgbuf);
+	if(length>0 && out_rtcp_video_stream)
+		out_rtcp_video_stream->send_packet(out_rtcp_video_stream->socket, pkt, length, 0);
 }
+
 void MilesSessionInvoker::processEventGetText(const std::string& origin) {
 	Event ev;
 	ev.data.compound["origin"] = origin;
@@ -449,10 +500,21 @@ void MilesSessionInvoker::processEventGetText(const std::string& origin) {
 	}
 	
 	ev.name = "gettext.reply";
+#if 0
 	if (rand() % 5 == 0) { // return some mocked up chat message
 		ev.data.compound["message"] = Data(".. and then she was all like: aren't we supposed to discuss work related stuff?", Data::VERBATIM);
 		ev.data.compound["user"] = Data("username1", Data::VERBATIM);
 	}
+#else
+	if(confero_text_msg_available) {
+		strcpy(text_msg_buf, confero_text_msg_buf);
+		ev.data.compound["message"] = Data(text_msg_buf, Data::VERBATIM);
+		//ev.data.compound["message"] = Data(base64_encode(text_msg_buf, strlen(text_msg_buf)), Data::VERBATIM);
+		ev.data.compound["user"] = Data("username1", Data::VERBATIM);
+		memset(confero_text_msg_buf, 0, 1000);
+		confero_text_msg_available = 0;
+	}
+#endif
 	
 	returnEvent(ev);
 }
diff --git a/src/uscxml/plugins/invoker/miles/MilesSessionInvoker.h b/src/uscxml/plugins/invoker/miles/MilesSessionInvoker.h
index efa3ba2..eeb6e7c 100644
--- a/src/uscxml/plugins/invoker/miles/MilesSessionInvoker.h
+++ b/src/uscxml/plugins/invoker/miles/MilesSessionInvoker.h
@@ -120,6 +120,9 @@ protected:
 	struct miles_list *thumb_list;
 	int save_image;
 
+	char *text_msg_buf;
+	int text_msg_available;
+
 	struct miles_audio_device *audio_dev_playback;
 	int audio_dev_playback_id;
 	int audio_available;