-
Notifications
You must be signed in to change notification settings - Fork 9
/
StreamHandler.java
336 lines (284 loc) · 11.5 KB
/
StreamHandler.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
package orchi.liveStreaming;
import java.io.IOException;
import java.util.Map.Entry;
import java.util.concurrent.ConcurrentHashMap;
import org.kurento.client.EventListener;
import org.kurento.client.HttpPostEndpoint;
import org.kurento.client.IceCandidate;
import org.kurento.client.IceCandidateFoundEvent;
import org.kurento.client.KurentoClient;
import org.kurento.client.MediaPipeline;
import org.kurento.client.RtpEndpoint;
import org.kurento.client.VideoCaps;
import org.kurento.client.VideoCodec;
import org.kurento.client.WebRtcEndpoint;
import org.kurento.jsonrpc.JsonUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.socket.CloseStatus;
import org.springframework.web.socket.TextMessage;
import org.springframework.web.socket.WebSocketSession;
import org.springframework.web.socket.handler.TextWebSocketHandler;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonObject;
import orchi.liveStreaming.connection.Connection;
import orchi.liveStreaming.connection.ConnectionManager;
import orchi.liveStreaming.exceptions.MaximunViewerswAllowException;
import orchi.liveStreaming.streams.ManagerStream;
import orchi.liveStreaming.streams.RealStream;
import orchi.liveStreaming.streams.Stream;
/**
*@autor david
*/
public class StreamHandler extends TextWebSocketHandler {
static {
ManagerStream.getInstance();
}
private static final Logger log = LoggerFactory.getLogger(StreamHandler.class);
private static final Gson gson = new GsonBuilder().create();
private final ConcurrentHashMap<String, UserSession> viewers = new ConcurrentHashMap<>();
private static ConcurrentHashMap<String, UserSession> presenters = new ConcurrentHashMap<>();
// private static ConcurrentHashMap<String, String> userssByIdSession = new
// ConcurrentHashMap<>();
// private static ConcurrentHashMap<String, MediaPipeline> pipelines = new
// ConcurrentHashMap<>();
//@Autowired
//public static KurentoClient kurento = KurentoClient.create("ws://orchi:8888/kurento");
static {
ConnectionManager cn = ConnectionManager.getInstance();
String kmsUrl = System.getProperty("kms");
log.info("kms {}",kmsUrl);
if(kmsUrl != null){
cn.addConnection(KurentoClient.create(kmsUrl));
}else{
cn.addConnection(KurentoClient.create());
}
//cn.addConnection(KurentoClient.create("ws://orchi:7777/kurento"));
//cn.connectiToNKurentoClients(10);
}
//public KurentoClient getKurentoClient(){return kurento;};
// private KurentoClient kurento2 =
// KurentoClient.create("ws://orchi2:8888/kurento");
// private MediaPipeline pipeline;
// private UserSession presenterUserSession;
@Override
public void afterConnectionEstablished(WebSocketSession session) throws Exception {
log.info("addrees local {}:{}",session.getLocalAddress().getAddress().getHostAddress(),session.getLocalAddress().getPort());
}
@Override
public void handleTextMessage(WebSocketSession session, TextMessage message) throws Exception {
UserSession user = UserManager.getInstance().getUserSession(session.getId());
JsonObject jsonMessage = gson.fromJson(message.getPayload(), JsonObject.class);
if (user != null) {
log.info("Incoming message from user '{}': {}", user, jsonMessage);
} else {
log.info("Incoming message from new user: {}", jsonMessage);
}
switch (jsonMessage.get("id").getAsString()) {
case "presenter":
try {
presenter(session, jsonMessage);
} catch (Throwable t) {
handleErrorResponse(t, session, "presenterResponse");
}
break;
case "viewer":
try {
viewer2(session, jsonMessage);
} catch (Throwable t) {
t.printStackTrace();
handleErrorResponse(t, session, "viewerResponse");
}
break;
case "onIceCandidate": {
JsonObject candidate = jsonMessage.get("candidate").getAsJsonObject();
if (user != null) {
IceCandidate cand = new IceCandidate(candidate.get("candidate").getAsString(),
candidate.get("sdpMid").getAsString(), candidate.get("sdpMLineIndex").getAsInt());
user.addCandidate(cand);
}
break;
}
case "stop":
stop(session);
break;
default:
break;
}
}
private void handleErrorResponse(Throwable throwable, WebSocketSession session, String responseId)
throws IOException {
stop(session);
log.error(throwable.getMessage(), throwable);
JsonObject response = new JsonObject();
response.addProperty("id", responseId);
response.addProperty("response", "rejected");
response.addProperty("message", throwable.getMessage());
session.sendMessage(new TextMessage(response.toString()));
}
private synchronized void presenter(final WebSocketSession session, JsonObject jsonMessage) throws IOException {
Stream stream = ManagerStream.getInstance().getStream(jsonMessage.get("idStream").getAsString(),true);
if (stream == null) {
UserSession user = UserManager.getInstance().getUserSession(session.getId());
if (user == null) {
user = new UserSession(session);
UserManager.getInstance().register(session.getId(), user);
log.info("session {}",session.getId());
log.info("register a user {}",UserManager.getInstance().getUserSession(session.getId()));
}
stream = ManagerStream.getInstance().createStream(user, jsonMessage);
} else {
JsonObject response = new JsonObject();
response.addProperty("id", "presenterResponse");
response.addProperty("response", "rejected");
response.addProperty("message", "ya existe stream con ese id");
session.sendMessage(new TextMessage(response.toString()));
}
}
private synchronized void viewer2(final WebSocketSession session, JsonObject jsonMessage) throws IOException {
Stream stream = ManagerStream.getInstance().getStream(jsonMessage.get("idStream").getAsString(),true);
if (stream != null) {
UserSession viewer = UserManager.getInstance().getUserSession(session.getId());
if (viewer == null) {
viewer = new UserSession(session);
UserManager.getInstance().register(session.getId(), viewer);
}
try {
stream.addView(viewer);
} catch (MaximunViewerswAllowException e1) {
JsonObject response = new JsonObject();
response.addProperty("response", "rejected");
response.addProperty("message",e1.getMessage());
try {
synchronized (session) {
session.sendMessage(new TextMessage(response.toString()));
}
} catch (IOException e) {
log.debug(e.getMessage());
}
stop(stream.getPresenterUser().getSession());
e1.printStackTrace();
}
//creo una conexion para el viewer
//Connection con = ConnectionManager.getInstance().getConnectionWithLeastClients();
//1 create media pipeline viewer
MediaPipeline newpipe = null;
log.info("get Stream");
if(stream instanceof RealStream){
//local
log.info("Stream local");
newpipe = stream.getPipeline();
}else{
//remoto
log.info("Stream remoto, connect with RTP");
newpipe = stream.getPipeline();;//con.getConnection().createMediaPipeline();
}
WebRtcEndpoint viewerWebRtc = new WebRtcEndpoint.Builder(newpipe).build();
/*//2 crate rpc enpoint viewer
log.info("2 crate rpc enpoint viewer");
RtpEndpoint rtp = new RtpEndpoint.Builder(newpipe).build();
//rtp.setVideoFormat(new VideoCaps(VideoCodec.RAW, new org.kurento.client.Fraction(1, 30)));
//3 create a rtp endpoint viewer
log.info("3 create a rtp endpoint stream");
RtpEndpoint rtpStream = new RtpEndpoint.Builder(viewer.getStream().getPipeline()).build();
//rtpStream.setVideoFormat(new VideoCaps(VideoCodec.RAW, new org.kurento.client.Fraction(1, 30)));
//4 viewer rtp endpint generate offer
log.info("4 viewer rtp endpint generate offer");
String offer = rtp.generateOffer();
//System.err.println(offer);
//5 stream rtp process offer and process answer then
log.info("5 stream rtp process offer and process answer then");
String rtpStreamresponse = rtpStream.processOffer(offer);
//System.out.println(rtpViewerresponse);
rtp.processAnswer(rtpStreamresponse);
//canalizo de rtp a webrtc viewer
rtp.connect(viewerWebRtc);
rtp.connect(new HttpPostEndpoint.Builder(newpipe).build());
//6 stream webrtc connecto to stream rtp
log.info("6 stream webrtc connecto to stream rtp");
stream.getPresenterUser().getWebRtcEndpoint().connect(rtpStream);
log.info("stream kms {} -> viewer kms {}",stream.getConnection().getConnection().getSessionId(),con.getConnection().getSessionId());
*/
viewerWebRtc.addIceCandidateFoundListener(new EventListener<IceCandidateFoundEvent>() {
@Override
public void onEvent(IceCandidateFoundEvent event) {
JsonObject response = new JsonObject();
response.addProperty("id", "iceCandidate");
response.add("candidate", JsonUtils.toJsonObject(event.getCandidate()));
try {
synchronized (session) {
session.sendMessage(new TextMessage(response.toString()));
}
} catch (IOException e) {
log.debug(e.getMessage());
}
}
});
viewer.setWebRtcEndpoint(viewerWebRtc);
//viewer.setRtpEndPoint(rtp);
stream.connectMediaElement(viewerWebRtc);
String sdpOffer = jsonMessage.getAsJsonPrimitive("sdpOffer").getAsString();
String sdpAnswer = viewerWebRtc.processOffer(sdpOffer);
JsonObject response = new JsonObject();
response.addProperty("id", "viewerResponse");
response.addProperty("response", "accepted");
response.addProperty("sdpAnswer", sdpAnswer);
synchronized (session) {
viewer.sendMessage(response);
}
viewerWebRtc.gatherCandidates();
} else {
JsonObject response = new JsonObject();
response.addProperty("id", "presenterResponse");
response.addProperty("response", "rejected");
response.addProperty("message", "no existe stream");
session.sendMessage(new TextMessage(response.toString()));
}
}
private synchronized void stop(WebSocketSession session) throws IOException {
log.info("Stoping session {}",session.getId());
String sessionId = session.getId();
UserSession user = UserManager.getInstance().getUserSession(sessionId);
if(user == null){
return;
}
//log.info("user {}",user.getStream().getPresenterUser().getSession().getId());
if(user.getIs()==UserType.presenter){
if(user.getStream().getPresenterUser() != null
&& user.getStream().getPresenterUser().getSession().getId().equals(session.getId())){
//presentador
log.info("ShowtDown Stream {}",user.getStream().getId());
ManagerStream.getInstance().deleteStream(user.getStream().getId());
//user.getStream().showtDown();
//ManagerStream.getInstance().deleteStream(user.getStream().getId());;
//user.getStream().getPipeline().release();
//UserManager.getInstance().remove(sessionId);
}
}else{
//observador
UserManager.getInstance().remove(sessionId);
user.getStream().removeView(user);
user.getWebRtcEndpoint().release();
}
/*if(user.getStream().getPresenterUser() != null
&& user.getStream().getPresenterUser().getSession().getId().equals(session.getId())){
//presentador
log.info("ShowtDown Stream {}",user.getStream().getId());
user.getStream().showtDown();
//ManagerStream.getInstance().deleteStream(user.getStream().getId());;
//user.getStream().getPipeline().release();
//UserManager.getInstance().remove(sessionId);
}else{
//observador
UserManager.getInstance().remove(sessionId);
user.getStream().removeView(user);
user.getWebRtcEndpoint().release();
}*/
}
@Override
public void afterConnectionClosed(WebSocketSession session, CloseStatus status) throws Exception {
stop(session);
}
}