1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 #include "content/renderer/media/peer_connection_tracker.h"
6 #include "base/strings/utf_string_conversions.h"
7 #include "content/common/media/peer_connection_tracker_messages.h"
8 #include "content/renderer/media/rtc_media_constraints.h"
9 #include "content/renderer/media/rtc_peer_connection_handler.h"
10 #include "content/renderer/render_thread_impl.h"
11 #include "third_party/WebKit/public/platform/WebMediaConstraints.h"
12 #include "third_party/WebKit/public/platform/WebMediaStream.h"
13 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h"
14 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
15 #include "third_party/WebKit/public/platform/WebRTCICECandidate.h"
16 #include "third_party/WebKit/public/platform/WebRTCPeerConnectionHandlerClient.h"
17 #include "third_party/WebKit/public/web/WebDocument.h"
18 #include "third_party/WebKit/public/web/WebFrame.h"
19 #include "third_party/WebKit/public/web/WebUserMediaRequest.h"
22 using webrtc::MediaConstraintsInterface;
23 using blink::WebRTCPeerConnectionHandlerClient;
27 static string SerializeServers(
28 const std::vector<webrtc::PeerConnectionInterface::IceServer>& servers) {
30 for (size_t i = 0; i < servers.size(); ++i) {
31 result += servers[i].uri;
32 if (i != servers.size() - 1)
39 static string SerializeMediaConstraints(
40 const RTCMediaConstraints& constraints) {
42 MediaConstraintsInterface::Constraints mandatory = constraints.GetMandatory();
43 if (!mandatory.empty()) {
44 result += "mandatory: {";
45 for (size_t i = 0; i < mandatory.size(); ++i) {
46 result += mandatory[i].key + ":" + mandatory[i].value;
47 if (i != mandatory.size() - 1)
52 MediaConstraintsInterface::Constraints optional = constraints.GetOptional();
53 if (!optional.empty()) {
56 result += "optional: {";
57 for (size_t i = 0; i < optional.size(); ++i) {
58 result += optional[i].key + ":" + optional[i].value;
59 if (i != optional.size() - 1)
67 static string SerializeMediaStreamComponent(
68 const blink::WebMediaStreamTrack component) {
69 string id = base::UTF16ToUTF8(component.source().id());
73 static string SerializeMediaDescriptor(
74 const blink::WebMediaStream& stream) {
75 string label = base::UTF16ToUTF8(stream.id());
76 string result = "label: " + label;
77 blink::WebVector<blink::WebMediaStreamTrack> tracks;
78 stream.audioTracks(tracks);
79 if (!tracks.isEmpty()) {
80 result += ", audio: [";
81 for (size_t i = 0; i < tracks.size(); ++i) {
82 result += SerializeMediaStreamComponent(tracks[i]);
83 if (i != tracks.size() - 1)
88 stream.videoTracks(tracks);
89 if (!tracks.isEmpty()) {
90 result += ", video: [";
91 for (size_t i = 0; i < tracks.size(); ++i) {
92 result += SerializeMediaStreamComponent(tracks[i]);
93 if (i != tracks.size() - 1)
101 #define GET_STRING_OF_STATE(state) \
102 case WebRTCPeerConnectionHandlerClient::state: \
106 static string GetSignalingStateString(
107 WebRTCPeerConnectionHandlerClient::SignalingState state) {
110 GET_STRING_OF_STATE(SignalingStateStable)
111 GET_STRING_OF_STATE(SignalingStateHaveLocalOffer)
112 GET_STRING_OF_STATE(SignalingStateHaveRemoteOffer)
113 GET_STRING_OF_STATE(SignalingStateHaveLocalPrAnswer)
114 GET_STRING_OF_STATE(SignalingStateHaveRemotePrAnswer)
115 GET_STRING_OF_STATE(SignalingStateClosed)
123 static string GetIceConnectionStateString(
124 WebRTCPeerConnectionHandlerClient::ICEConnectionState state) {
127 GET_STRING_OF_STATE(ICEConnectionStateStarting)
128 GET_STRING_OF_STATE(ICEConnectionStateChecking)
129 GET_STRING_OF_STATE(ICEConnectionStateConnected)
130 GET_STRING_OF_STATE(ICEConnectionStateCompleted)
131 GET_STRING_OF_STATE(ICEConnectionStateFailed)
132 GET_STRING_OF_STATE(ICEConnectionStateDisconnected)
133 GET_STRING_OF_STATE(ICEConnectionStateClosed)
141 static string GetIceGatheringStateString(
142 WebRTCPeerConnectionHandlerClient::ICEGatheringState state) {
145 GET_STRING_OF_STATE(ICEGatheringStateNew)
146 GET_STRING_OF_STATE(ICEGatheringStateGathering)
147 GET_STRING_OF_STATE(ICEGatheringStateComplete)
155 // Builds a DictionaryValue from the StatsReport.
156 // The caller takes the ownership of the returned value.
158 // The format must be consistent with what webrtc_internals.js expects.
159 // If you change it here, you must change webrtc_internals.js as well.
160 static base::DictionaryValue* GetDictValueStats(
161 const webrtc::StatsReport& report) {
162 if (report.values.empty())
165 base::DictionaryValue* dict = new base::DictionaryValue();
166 dict->SetDouble("timestamp", report.timestamp);
168 base::ListValue* values = new base::ListValue();
169 dict->Set("values", values);
171 for (size_t i = 0; i < report.values.size(); ++i) {
172 values->AppendString(report.values[i].name);
173 values->AppendString(report.values[i].value);
178 // Builds a DictionaryValue from the StatsReport.
179 // The caller takes the ownership of the returned value.
180 static base::DictionaryValue* GetDictValue(const webrtc::StatsReport& report) {
181 scoped_ptr<base::DictionaryValue> stats, result;
183 stats.reset(GetDictValueStats(report));
187 result.reset(new base::DictionaryValue());
189 // The format must be consistent with what webrtc_internals.js expects.
190 // If you change it here, you must change webrtc_internals.js as well.
191 result->Set("stats", stats.release());
192 result->SetString("id", report.id);
193 result->SetString("type", report.type);
195 return result.release();
198 class InternalStatsObserver : public webrtc::StatsObserver {
200 InternalStatsObserver(int lid)
203 virtual void OnComplete(
204 const std::vector<webrtc::StatsReport>& reports) OVERRIDE {
205 base::ListValue list;
207 for (size_t i = 0; i < reports.size(); ++i) {
208 base::DictionaryValue* report = GetDictValue(reports[i]);
214 RenderThreadImpl::current()->Send(
215 new PeerConnectionTrackerHost_AddStats(lid_, list));
219 virtual ~InternalStatsObserver() {}
225 PeerConnectionTracker::PeerConnectionTracker() : next_lid_(1) {
228 PeerConnectionTracker::~PeerConnectionTracker() {
231 bool PeerConnectionTracker::OnControlMessageReceived(
232 const IPC::Message& message) {
234 IPC_BEGIN_MESSAGE_MAP(PeerConnectionTracker, message)
235 IPC_MESSAGE_HANDLER(PeerConnectionTracker_GetAllStats, OnGetAllStats)
236 IPC_MESSAGE_UNHANDLED(handled = false)
237 IPC_END_MESSAGE_MAP()
241 void PeerConnectionTracker::OnGetAllStats() {
242 for (PeerConnectionIdMap::iterator it = peer_connection_id_map_.begin();
243 it != peer_connection_id_map_.end(); ++it) {
245 talk_base::scoped_refptr<InternalStatsObserver> observer(
246 new talk_base::RefCountedObject<InternalStatsObserver>(it->second));
248 it->first->GetStats(observer, NULL);
252 void PeerConnectionTracker::RegisterPeerConnection(
253 RTCPeerConnectionHandler* pc_handler,
254 const std::vector<webrtc::PeerConnectionInterface::IceServer>& servers,
255 const RTCMediaConstraints& constraints,
256 const blink::WebFrame* frame) {
257 DVLOG(1) << "PeerConnectionTracker::RegisterPeerConnection()";
258 PeerConnectionInfo info;
260 info.lid = GetNextLocalID();
261 info.servers = SerializeServers(servers);
262 info.constraints = SerializeMediaConstraints(constraints);
263 info.url = frame->document().url().spec();
264 RenderThreadImpl::current()->Send(
265 new PeerConnectionTrackerHost_AddPeerConnection(info));
267 DCHECK(peer_connection_id_map_.find(pc_handler) ==
268 peer_connection_id_map_.end());
269 peer_connection_id_map_[pc_handler] = info.lid;
272 void PeerConnectionTracker::UnregisterPeerConnection(
273 RTCPeerConnectionHandler* pc_handler) {
274 DVLOG(1) << "PeerConnectionTracker::UnregisterPeerConnection()";
276 std::map<RTCPeerConnectionHandler*, int>::iterator it =
277 peer_connection_id_map_.find(pc_handler);
279 if (it == peer_connection_id_map_.end()) {
280 // The PeerConnection might not have been registered if its initilization
285 RenderThreadImpl::current()->Send(
286 new PeerConnectionTrackerHost_RemovePeerConnection(it->second));
288 peer_connection_id_map_.erase(it);
291 void PeerConnectionTracker::TrackCreateOffer(
292 RTCPeerConnectionHandler* pc_handler,
293 const RTCMediaConstraints& constraints) {
294 SendPeerConnectionUpdate(
295 pc_handler, "createOffer",
296 "constraints: {" + SerializeMediaConstraints(constraints) + "}");
299 void PeerConnectionTracker::TrackCreateAnswer(
300 RTCPeerConnectionHandler* pc_handler,
301 const RTCMediaConstraints& constraints) {
302 SendPeerConnectionUpdate(
303 pc_handler, "createAnswer",
304 "constraints: {" + SerializeMediaConstraints(constraints) + "}");
307 void PeerConnectionTracker::TrackSetSessionDescription(
308 RTCPeerConnectionHandler* pc_handler,
309 const blink::WebRTCSessionDescription& desc,
311 string sdp = base::UTF16ToUTF8(desc.sdp());
312 string type = base::UTF16ToUTF8(desc.type());
314 string value = "type: " + type + ", sdp: " + sdp;
315 SendPeerConnectionUpdate(
317 source == SOURCE_LOCAL ? "setLocalDescription" : "setRemoteDescription",
321 void PeerConnectionTracker::TrackUpdateIce(
322 RTCPeerConnectionHandler* pc_handler,
323 const std::vector<webrtc::PeerConnectionInterface::IceServer>& servers,
324 const RTCMediaConstraints& options) {
325 string servers_string = "servers: " + SerializeServers(servers);
327 "constraints: {" + SerializeMediaConstraints(options) + "}";
329 SendPeerConnectionUpdate(
330 pc_handler, "updateIce", servers_string + ", " + constraints);
333 void PeerConnectionTracker::TrackAddIceCandidate(
334 RTCPeerConnectionHandler* pc_handler,
335 const blink::WebRTCICECandidate& candidate,
337 string value = "mid: " + base::UTF16ToUTF8(candidate.sdpMid()) + ", " +
338 "candidate: " + base::UTF16ToUTF8(candidate.candidate());
339 SendPeerConnectionUpdate(
341 source == SOURCE_LOCAL ? "onIceCandidate" : "addIceCandidate", value);
344 void PeerConnectionTracker::TrackAddStream(
345 RTCPeerConnectionHandler* pc_handler,
346 const blink::WebMediaStream& stream,
348 SendPeerConnectionUpdate(
349 pc_handler, source == SOURCE_LOCAL ? "addStream" : "onAddStream",
350 SerializeMediaDescriptor(stream));
353 void PeerConnectionTracker::TrackRemoveStream(
354 RTCPeerConnectionHandler* pc_handler,
355 const blink::WebMediaStream& stream,
357 SendPeerConnectionUpdate(
358 pc_handler, source == SOURCE_LOCAL ? "removeStream" : "onRemoveStream",
359 SerializeMediaDescriptor(stream));
362 void PeerConnectionTracker::TrackCreateDataChannel(
363 RTCPeerConnectionHandler* pc_handler,
364 const webrtc::DataChannelInterface* data_channel,
366 string value = "label: " + data_channel->label() +
367 ", reliable: " + (data_channel->reliable() ? "true" : "false");
368 SendPeerConnectionUpdate(
370 source == SOURCE_LOCAL ? "createLocalDataChannel" : "onRemoteDataChannel",
374 void PeerConnectionTracker::TrackStop(RTCPeerConnectionHandler* pc_handler) {
375 SendPeerConnectionUpdate(pc_handler, "stop", std::string());
378 void PeerConnectionTracker::TrackSignalingStateChange(
379 RTCPeerConnectionHandler* pc_handler,
380 WebRTCPeerConnectionHandlerClient::SignalingState state) {
381 SendPeerConnectionUpdate(
382 pc_handler, "signalingStateChange", GetSignalingStateString(state));
385 void PeerConnectionTracker::TrackIceConnectionStateChange(
386 RTCPeerConnectionHandler* pc_handler,
387 WebRTCPeerConnectionHandlerClient::ICEConnectionState state) {
388 SendPeerConnectionUpdate(
389 pc_handler, "iceConnectionStateChange",
390 GetIceConnectionStateString(state));
393 void PeerConnectionTracker::TrackIceGatheringStateChange(
394 RTCPeerConnectionHandler* pc_handler,
395 WebRTCPeerConnectionHandlerClient::ICEGatheringState state) {
396 SendPeerConnectionUpdate(
397 pc_handler, "iceGatheringStateChange",
398 GetIceGatheringStateString(state));
401 void PeerConnectionTracker::TrackSessionDescriptionCallback(
402 RTCPeerConnectionHandler* pc_handler, Action action,
403 const string& callback_type, const string& value) {
406 case ACTION_SET_LOCAL_DESCRIPTION:
407 update_type = "setLocalDescription";
409 case ACTION_SET_REMOTE_DESCRIPTION:
410 update_type = "setRemoteDescription";
412 case ACTION_CREATE_OFFER:
413 update_type = "createOffer";
415 case ACTION_CREATE_ANSWER:
416 update_type = "createAnswer";
422 update_type += callback_type;
424 SendPeerConnectionUpdate(pc_handler, update_type, value);
427 void PeerConnectionTracker::TrackOnRenegotiationNeeded(
428 RTCPeerConnectionHandler* pc_handler) {
429 SendPeerConnectionUpdate(pc_handler, "onRenegotiationNeeded", std::string());
432 void PeerConnectionTracker::TrackCreateDTMFSender(
433 RTCPeerConnectionHandler* pc_handler,
434 const blink::WebMediaStreamTrack& track) {
435 SendPeerConnectionUpdate(pc_handler, "createDTMFSender",
436 base::UTF16ToUTF8(track.id()));
439 void PeerConnectionTracker::TrackGetUserMedia(
440 const blink::WebUserMediaRequest& user_media_request) {
441 RTCMediaConstraints audio_constraints(user_media_request.audioConstraints());
442 RTCMediaConstraints video_constraints(user_media_request.videoConstraints());
444 RenderThreadImpl::current()->Send(new PeerConnectionTrackerHost_GetUserMedia(
445 user_media_request.securityOrigin().toString().utf8(),
446 user_media_request.audio(),
447 user_media_request.video(),
448 SerializeMediaConstraints(audio_constraints),
449 SerializeMediaConstraints(video_constraints)));
452 int PeerConnectionTracker::GetNextLocalID() {
456 void PeerConnectionTracker::SendPeerConnectionUpdate(
457 RTCPeerConnectionHandler* pc_handler,
458 const std::string& type,
459 const std::string& value) {
460 if (peer_connection_id_map_.find(pc_handler) == peer_connection_id_map_.end())
463 RenderThreadImpl::current()->Send(
464 new PeerConnectionTrackerHost_UpdatePeerConnection(
465 peer_connection_id_map_[pc_handler], type, value));
468 } // namespace content