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webrtc/talk/examples/call/callclient.cc
buildbot@webrtc.org 3740d74106 (Auto)update libjingle 73927658-> 73927775 
git-svn-id: http://webrtc.googlecode.com/svn/trunk@6958 4adac7df-926f-26a2-2b94-8c16560cd09d
2014-08-22 22:27:04 +00:00

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/*
* libjingle
* Copyright 2004--2005, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "talk/examples/call/callclient.h"
#include <string>
#include "talk/examples/call/console.h"
#include "talk/examples/call/friendinvitesendtask.h"
#include "talk/examples/call/muc.h"
#include "talk/examples/call/mucinviterecvtask.h"
#include "talk/examples/call/mucinvitesendtask.h"
#include "talk/examples/call/presencepushtask.h"
#include "talk/media/base/mediacommon.h"
#include "talk/media/base/mediaengine.h"
#include "talk/media/base/rtpdataengine.h"
#include "talk/media/base/screencastid.h"
#include "webrtc/base/helpers.h"
#include "webrtc/base/logging.h"
#include "webrtc/base/network.h"
#include "webrtc/base/socketaddress.h"
#include "webrtc/base/stringencode.h"
#include "webrtc/base/stringutils.h"
#include "webrtc/base/thread.h"
#include "webrtc/base/windowpickerfactory.h"
#ifdef HAVE_SCTP
#include "talk/media/sctp/sctpdataengine.h"
#endif
#include "talk/media/base/videorenderer.h"
#include "talk/media/devices/devicemanager.h"
#include "talk/media/devices/videorendererfactory.h"
#include "talk/p2p/base/sessionmanager.h"
#include "talk/p2p/client/basicportallocator.h"
#include "talk/p2p/client/sessionmanagertask.h"
#include "talk/session/media/mediamessages.h"
#include "talk/session/media/mediasessionclient.h"
#include "talk/xmpp/constants.h"
#include "talk/xmpp/hangoutpubsubclient.h"
#include "talk/xmpp/mucroomconfigtask.h"
#include "talk/xmpp/mucroomlookuptask.h"
#include "talk/xmpp/pingtask.h"
#include "talk/xmpp/presenceouttask.h"
namespace {
// Must be period >= timeout.
const uint32 kPingPeriodMillis = 10000;
const uint32 kPingTimeoutMillis = 10000;
const char* DescribeStatus(buzz::PresenceStatus::Show show,
const std::string& desc) {
switch (show) {
case buzz::PresenceStatus::SHOW_XA: return desc.c_str();
case buzz::PresenceStatus::SHOW_ONLINE: return "online";
case buzz::PresenceStatus::SHOW_AWAY: return "away";
case buzz::PresenceStatus::SHOW_DND: return "do not disturb";
case buzz::PresenceStatus::SHOW_CHAT: return "ready to chat";
default: return "offline";
}
}
std::string GetWord(const std::vector<std::string>& words,
size_t index, const std::string& def) {
if (words.size() > index) {
return words[index];
} else {
return def;
}
}
int GetInt(const std::vector<std::string>& words, size_t index, int def) {
int val;
if (words.size() > index && rtc::FromString(words[index], &val)) {
return val;
} else {
return def;
}
}
} // namespace
const char* CALL_COMMANDS =
"Available commands:\n"
"\n"
" hangup Ends the call.\n"
" hold Puts the current call on hold\n"
" calls Lists the current calls and their sessions\n"
" switch [call_id] Switch to the specified call\n"
" addsession [jid] Add a new session to the current call.\n"
" rmsession [sid] Remove specified session.\n"
" mute Stops sending voice.\n"
" unmute Re-starts sending voice.\n"
" vmute Stops sending video.\n"
" vunmute Re-starts sending video.\n"
" dtmf Sends a DTMF tone.\n"
" stats Print voice stats for the current call.\n"
" quit Quits the application.\n"
"";
// TODO: Make present and record really work.
const char* HANGOUT_COMMANDS =
"Available MUC commands:\n"
"\n"
" present Starts presenting (just signalling; not actually presenting.)\n"
" unpresent Stops presenting (just signalling; not actually presenting.)\n"
" record Starts recording (just signalling; not actually recording.)\n"
" unrecord Stops recording (just signalling; not actually recording.)\n"
" rmute [nick] Remote mute another participant.\n"
" block [nick] Block another participant.\n"
" screencast [fps] Starts screencast. \n"
" unscreencast Stops screencast. \n"
" quit Quits the application.\n"
"";
const char* RECEIVE_COMMANDS =
"Available commands:\n"
"\n"
" accept [bw] Accepts the incoming call and switches to it.\n"
" reject Rejects the incoming call and stays with the current call.\n"
" quit Quits the application.\n"
"";
const char* CONSOLE_COMMANDS =
"Available commands:\n"
"\n"
" roster Prints the online friends from your roster.\n"
" friend user Request to add a user to your roster.\n"
" call [jid] [bw] Initiates a call to the user[/room] with the\n"
" given JID and with optional bandwidth.\n"
" vcall [jid] [bw] Initiates a video call to the user[/room] with\n"
" the given JID and with optional bandwidth.\n"
" calls Lists the current calls\n"
" switch [call_id] Switch to the specified call\n"
" join [room_jid] Joins a multi-user-chat with room JID.\n"
" ljoin [room_name] Joins a MUC by looking up JID from room name.\n"
" invite user [room] Invites a friend to a multi-user-chat.\n"
" leave [room] Leaves a multi-user-chat.\n"
" nick [nick] Sets the nick.\n"
" priority [int] Sets the priority.\n"
" getdevs Prints the available media devices.\n"
" quit Quits the application.\n"
"";
void CallClient::ParseLine(const std::string& line) {
std::vector<std::string> words;
int start = -1;
int state = 0;
for (int index = 0; index <= static_cast<int>(line.size()); ++index) {
if (state == 0) {
if (!isspace(line[index])) {
start = index;
state = 1;
}
} else {
ASSERT(state == 1);
ASSERT(start >= 0);
if (isspace(line[index])) {
std::string word(line, start, index - start);
words.push_back(word);
start = -1;
state = 0;
}
}
}
// Global commands
const std::string& command = GetWord(words, 0, "");
if (command == "quit") {
Quit();
} else if (call_ && incoming_call_) {
if (command == "accept") {
cricket::CallOptions options;
options.video_bandwidth = GetInt(words, 1, cricket::kAutoBandwidth);
options.has_video = true;
options.data_channel_type = data_channel_type_;
Accept(options);
} else if (command == "reject") {
Reject();
} else {
console_->PrintLine(RECEIVE_COMMANDS);
}
} else if (call_) {
if (command == "hangup") {
call_->Terminate();
} else if (command == "hold") {
media_client_->SetFocus(NULL);
call_ = NULL;
} else if (command == "addsession") {
std::string to = GetWord(words, 1, "");
cricket::CallOptions options;
options.has_video = call_->has_video();
options.video_bandwidth = cricket::kAutoBandwidth;
options.data_channel_type = data_channel_type_;
options.AddStream(cricket::MEDIA_TYPE_VIDEO, "", "");
if (!InitiateAdditionalSession(to, options)) {
console_->PrintLine("Failed to initiate additional session.");
}
} else if (command == "rmsession") {
std::string id = GetWord(words, 1, "");
TerminateAndRemoveSession(call_, id);
} else if (command == "calls") {
PrintCalls();
} else if ((words.size() == 2) && (command == "switch")) {
SwitchToCall(GetInt(words, 1, -1));
} else if (command == "mute") {
call_->Mute(true);
if (InMuc()) {
hangout_pubsub_client_->PublishAudioMuteState(true);
}
} else if (command == "unmute") {
call_->Mute(false);
if (InMuc()) {
hangout_pubsub_client_->PublishAudioMuteState(false);
}
} else if (command == "vmute") {
call_->MuteVideo(true);
if (InMuc()) {
hangout_pubsub_client_->PublishVideoMuteState(true);
}
} else if (command == "vunmute") {
call_->MuteVideo(false);
if (InMuc()) {
hangout_pubsub_client_->PublishVideoMuteState(false);
}
} else if (command == "screencast") {
if (screencast_ssrc_ != 0) {
console_->PrintLine("Can't screencast twice. Unscreencast first.");
} else {
std::string streamid = "screencast";
screencast_ssrc_ = rtc::CreateRandomId();
int fps = GetInt(words, 1, 5); // Default to 5 fps.
cricket::ScreencastId screencastid;
cricket::Session* session = GetFirstSession();
if (session && SelectFirstDesktopScreencastId(&screencastid)) {
call_->StartScreencast(
session, streamid, screencast_ssrc_, screencastid, fps);
}
}
} else if (command == "unscreencast") {
// TODO: Use a random ssrc
std::string streamid = "screencast";
cricket::Session* session = GetFirstSession();
if (session) {
call_->StopScreencast(session, streamid, screencast_ssrc_);
screencast_ssrc_ = 0;
}
} else if (command == "present") {
if (InMuc()) {
hangout_pubsub_client_->PublishPresenterState(true);
}
} else if (command == "unpresent") {
if (InMuc()) {
hangout_pubsub_client_->PublishPresenterState(false);
}
} else if (command == "record") {
if (InMuc()) {
hangout_pubsub_client_->PublishRecordingState(true);
}
} else if (command == "unrecord") {
if (InMuc()) {
hangout_pubsub_client_->PublishRecordingState(false);
}
} else if ((command == "rmute") && (words.size() == 2)) {
if (InMuc()) {
const std::string& nick = words[1];
hangout_pubsub_client_->RemoteMute(nick);
}
} else if ((command == "block") && (words.size() == 2)) {
if (InMuc()) {
const std::string& nick = words[1];
hangout_pubsub_client_->BlockMedia(nick);
}
} else if (command == "senddata") {
// "" is the default streamid.
SendData("", words[1]);
} else if ((command == "dtmf") && (words.size() == 2)) {
int ev = std::string("0123456789*#").find(words[1][0]);
call_->PressDTMF(ev);
} else if (command == "stats") {
PrintStats();
} else {
console_->PrintLine(CALL_COMMANDS);
if (InMuc()) {
console_->PrintLine(HANGOUT_COMMANDS);
}
}
} else {
if (command == "roster") {
PrintRoster();
} else if (command == "send") {
buzz::Jid jid(words[1]);
if (jid.IsValid()) {
last_sent_to_ = words[1];
SendChat(words[1], words[2]);
} else if (!last_sent_to_.empty()) {
SendChat(last_sent_to_, words[1]);
} else {
console_->PrintLine(
"Invalid JID. JIDs should be in the form user@domain");
}
} else if ((words.size() == 2) && (command == "friend")) {
InviteFriend(words[1]);
} else if (command == "call") {
std::string to = GetWord(words, 1, "");
cricket::CallOptions options;
options.data_channel_type = data_channel_type_;
if (!PlaceCall(to, options)) {
console_->PrintLine("Failed to initiate call.");
}
} else if (command == "vcall") {
std::string to = GetWord(words, 1, "");
int bandwidth = GetInt(words, 2, cricket::kAutoBandwidth);
cricket::CallOptions options;
options.has_video = true;
options.video_bandwidth = bandwidth;
options.data_channel_type = data_channel_type_;
if (!PlaceCall(to, options)) {
console_->PrintLine("Failed to initiate call.");
}
} else if (command == "calls") {
PrintCalls();
} else if ((words.size() == 2) && (command == "switch")) {
SwitchToCall(GetInt(words, 1, -1));
} else if (command == "join") {
JoinMuc(GetWord(words, 1, ""));
} else if (command == "ljoin") {
LookupAndJoinMuc(GetWord(words, 1, ""));
} else if ((words.size() >= 2) && (command == "invite")) {
InviteToMuc(words[1], GetWord(words, 2, ""));
} else if (command == "leave") {
LeaveMuc(GetWord(words, 1, ""));
} else if (command == "nick") {
SetNick(GetWord(words, 1, ""));
} else if (command == "priority") {
int priority = GetInt(words, 1, 0);
SetPriority(priority);
SendStatus();
} else if (command == "getdevs") {
GetDevices();
} else if ((words.size() == 2) && (command == "setvol")) {
SetVolume(words[1]);
} else {
console_->PrintLine(CONSOLE_COMMANDS);
}
}
}
CallClient::CallClient(buzz::XmppClient* xmpp_client,
const std::string& caps_node, const std::string& version)
: xmpp_client_(xmpp_client),
worker_thread_(NULL),
media_engine_(NULL),
data_engine_(NULL),
media_client_(NULL),
call_(NULL),
hangout_pubsub_client_(NULL),
incoming_call_(false),
auto_accept_(false),
pmuc_domain_("groupchat.google.com"),
render_(true),
data_channel_type_(cricket::DCT_NONE),
multisession_enabled_(false),
local_renderer_(NULL),
static_views_accumulated_count_(0),
screencast_ssrc_(0),
roster_(new RosterMap),
portallocator_flags_(0),
allow_local_ips_(false),
signaling_protocol_(cricket::PROTOCOL_HYBRID),
transport_protocol_(cricket::ICEPROTO_HYBRID),
sdes_policy_(cricket::SEC_DISABLED),
dtls_policy_(cricket::SEC_DISABLED),
ssl_identity_(),
show_roster_messages_(false) {
xmpp_client_->SignalStateChange.connect(this, &CallClient::OnStateChange);
my_status_.set_caps_node(caps_node);
my_status_.set_version(version);
}
CallClient::~CallClient() {
delete media_client_;
delete roster_;
delete worker_thread_;
}
const std::string CallClient::strerror(buzz::XmppEngine::Error err) {
switch (err) {
case buzz::XmppEngine::ERROR_NONE:
return "";
case buzz::XmppEngine::ERROR_XML:
return "Malformed XML or encoding error";
case buzz::XmppEngine::ERROR_STREAM:
return "XMPP stream error";
case buzz::XmppEngine::ERROR_VERSION:
return "XMPP version error";
case buzz::XmppEngine::ERROR_UNAUTHORIZED:
return "User is not authorized (Check your username and password)";
case buzz::XmppEngine::ERROR_TLS:
return "TLS could not be negotiated";
case buzz::XmppEngine::ERROR_AUTH:
return "Authentication could not be negotiated";
case buzz::XmppEngine::ERROR_BIND:
return "Resource or session binding could not be negotiated";
case buzz::XmppEngine::ERROR_CONNECTION_CLOSED:
return "Connection closed by output handler.";
case buzz::XmppEngine::ERROR_DOCUMENT_CLOSED:
return "Closed by </stream:stream>";
case buzz::XmppEngine::ERROR_SOCKET:
return "Socket error";
default:
return "Unknown error";
}
}
void CallClient::OnCallDestroy(cricket::Call* call) {
RemoveCallsStaticRenderedViews(call);
if (call == call_) {
if (local_renderer_) {
delete local_renderer_;
local_renderer_ = NULL;
}
console_->PrintLine("call destroyed");
call_ = NULL;
delete hangout_pubsub_client_;
hangout_pubsub_client_ = NULL;
}
}
void CallClient::OnStateChange(buzz::XmppEngine::State state) {
switch (state) {
case buzz::XmppEngine::STATE_START:
console_->PrintLine("connecting...");
break;
case buzz::XmppEngine::STATE_OPENING:
console_->PrintLine("logging in...");
break;
case buzz::XmppEngine::STATE_OPEN:
console_->PrintLine("logged in...");
InitMedia();
InitPresence();
break;
case buzz::XmppEngine::STATE_CLOSED:
{
buzz::XmppEngine::Error error = xmpp_client_->GetError(NULL);
console_->PrintLine("logged out... %s", strerror(error).c_str());
Quit();
}
break;
default:
break;
}
}
void CallClient::InitMedia() {
worker_thread_ = new rtc::Thread();
// The worker thread must be started here since initialization of
// the ChannelManager will generate messages that need to be
// dispatched by it.
worker_thread_->Start();
// TODO: It looks like we are leaking many objects. E.g.
// |network_manager_| is never deleted.
network_manager_ = new rtc::BasicNetworkManager();
// TODO: Decide if the relay address should be specified here.
rtc::SocketAddress stun_addr("stun.l.google.com", 19302);
cricket::ServerAddresses stun_servers;
stun_servers.insert(stun_addr);
port_allocator_ = new cricket::BasicPortAllocator(
network_manager_, stun_servers, rtc::SocketAddress(),
rtc::SocketAddress(), rtc::SocketAddress());
if (portallocator_flags_ != 0) {
port_allocator_->set_flags(portallocator_flags_);
}
session_manager_ = new cricket::SessionManager(
port_allocator_, worker_thread_);
session_manager_->set_secure(dtls_policy_);
session_manager_->set_identity(ssl_identity_.get());
session_manager_->set_transport_protocol(transport_protocol_);
session_manager_->SignalRequestSignaling.connect(
this, &CallClient::OnRequestSignaling);
session_manager_->SignalSessionCreate.connect(
this, &CallClient::OnSessionCreate);
session_manager_->OnSignalingReady();
session_manager_task_ =
new cricket::SessionManagerTask(xmpp_client_, session_manager_);
session_manager_task_->EnableOutgoingMessages();
session_manager_task_->Start();
if (!media_engine_) {
media_engine_ = cricket::MediaEngineFactory::Create();
}
if (!data_engine_) {
if (data_channel_type_ == cricket::DCT_SCTP) {
#ifdef HAVE_SCTP
data_engine_ = new cricket::SctpDataEngine();
#else
LOG(LS_WARNING) << "SCTP Data Engine not supported.";
data_channel_type_ = cricket::DCT_NONE;
data_engine_ = new cricket::RtpDataEngine();
#endif
} else {
// Even if we have DCT_NONE, we still have a data engine, just
// to make sure it isn't NULL.
data_engine_ = new cricket::RtpDataEngine();
}
}
media_client_ = new cricket::MediaSessionClient(
xmpp_client_->jid(),
session_manager_,
media_engine_,
data_engine_,
cricket::DeviceManagerFactory::Create());
media_client_->SignalCallCreate.connect(this, &CallClient::OnCallCreate);
media_client_->SignalCallDestroy.connect(this, &CallClient::OnCallDestroy);
media_client_->SignalDevicesChange.connect(this,
&CallClient::OnDevicesChange);
media_client_->set_secure(sdes_policy_);
media_client_->set_multisession_enabled(multisession_enabled_);
}
void CallClient::OnRequestSignaling() {
session_manager_->OnSignalingReady();
}
void CallClient::OnSessionCreate(cricket::Session* session, bool initiate) {
session->set_current_protocol(signaling_protocol_);
}
void CallClient::OnCallCreate(cricket::Call* call) {
call->SignalSessionState.connect(this, &CallClient::OnSessionState);
call->SignalMediaStreamsUpdate.connect(
this, &CallClient::OnMediaStreamsUpdate);
}
void CallClient::OnSessionState(cricket::Call* call,
cricket::Session* session,
cricket::Session::State state) {
if (state == cricket::Session::STATE_RECEIVEDINITIATE) {
buzz::Jid jid(session->remote_name());
if (call_ == call && multisession_enabled_) {
// We've received an initiate for an existing call. This is actually a
// new session for that call.
console_->PrintLine("Incoming session from '%s'", jid.Str().c_str());
AddSession(session);
cricket::CallOptions options;
options.has_video = call_->has_video();
options.data_channel_type = data_channel_type_;
call_->AcceptSession(session, options);
if (call_->has_video() && render_) {
RenderAllStreams(call, session, true);
}
} else {
console_->PrintLine("Incoming call from '%s'", jid.Str().c_str());
call_ = call;
AddSession(session);
incoming_call_ = true;
if (call->has_video() && render_) {
local_renderer_ =
cricket::VideoRendererFactory::CreateGuiVideoRenderer(160, 100);
}
if (auto_accept_) {
cricket::CallOptions options;
options.has_video = true;
options.data_channel_type = data_channel_type_;
Accept(options);
}
}
} else if (state == cricket::Session::STATE_SENTINITIATE) {
if (call->has_video() && render_) {
local_renderer_ =
cricket::VideoRendererFactory::CreateGuiVideoRenderer(160, 100);
}
console_->PrintLine("calling...");
} else if (state == cricket::Session::STATE_RECEIVEDACCEPT) {
console_->PrintLine("call answered");
SetupAcceptedCall();
} else if (state == cricket::Session::STATE_RECEIVEDREJECT) {
console_->PrintLine("call not answered");
} else if (state == cricket::Session::STATE_INPROGRESS) {
console_->PrintLine("call in progress");
call->SignalSpeakerMonitor.connect(this, &CallClient::OnSpeakerChanged);
call->StartSpeakerMonitor(session);
} else if (state == cricket::Session::STATE_RECEIVEDTERMINATE) {
console_->PrintLine("other side terminated");
TerminateAndRemoveSession(call, session->id());
}
}
void CallClient::OnSpeakerChanged(cricket::Call* call,
cricket::Session* session,
const cricket::StreamParams& speaker) {
if (!speaker.has_ssrcs()) {
console_->PrintLine("Session %s has no current speaker.",
session->id().c_str());
} else if (speaker.id.empty()) {
console_->PrintLine("Session %s speaker change to unknown (%u).",
session->id().c_str(), speaker.first_ssrc());
} else {
console_->PrintLine("Session %s speaker changed to %s (%u).",
session->id().c_str(), speaker.id.c_str(),
speaker.first_ssrc());
}
}
void SetMediaCaps(int media_caps, buzz::PresenceStatus* status) {
status->set_voice_capability((media_caps & cricket::AUDIO_RECV) != 0);
status->set_video_capability((media_caps & cricket::VIDEO_RECV) != 0);
status->set_camera_capability((media_caps & cricket::VIDEO_SEND) != 0);
}
void SetCaps(int media_caps, buzz::PresenceStatus* status) {
status->set_know_capabilities(true);
status->set_pmuc_capability(true);
SetMediaCaps(media_caps, status);
}
void SetAvailable(const buzz::Jid& jid, buzz::PresenceStatus* status) {
status->set_jid(jid);
status->set_available(true);
status->set_show(buzz::PresenceStatus::SHOW_ONLINE);
}
void CallClient::InitPresence() {
presence_push_ = new buzz::PresencePushTask(xmpp_client_, this);
presence_push_->SignalStatusUpdate.connect(
this, &CallClient::OnStatusUpdate);
presence_push_->SignalMucJoined.connect(this, &CallClient::OnMucJoined);
presence_push_->SignalMucLeft.connect(this, &CallClient::OnMucLeft);
presence_push_->SignalMucStatusUpdate.connect(
this, &CallClient::OnMucStatusUpdate);
presence_push_->Start();
presence_out_ = new buzz::PresenceOutTask(xmpp_client_);
SetAvailable(xmpp_client_->jid(), &my_status_);
SetCaps(media_client_->GetCapabilities(), &my_status_);
SendStatus(my_status_);
presence_out_->Start();
muc_invite_recv_ = new buzz::MucInviteRecvTask(xmpp_client_);
muc_invite_recv_->SignalInviteReceived.connect(this,
&CallClient::OnMucInviteReceived);
muc_invite_recv_->Start();
muc_invite_send_ = new buzz::MucInviteSendTask(xmpp_client_);
muc_invite_send_->Start();
friend_invite_send_ = new buzz::FriendInviteSendTask(xmpp_client_);
friend_invite_send_->Start();
StartXmppPing();
}
void CallClient::StartXmppPing() {
buzz::PingTask* ping = new buzz::PingTask(
xmpp_client_, rtc::Thread::Current(),
kPingPeriodMillis, kPingTimeoutMillis);
ping->SignalTimeout.connect(this, &CallClient::OnPingTimeout);
ping->Start();
}
void CallClient::OnPingTimeout() {
LOG(LS_WARNING) << "XMPP Ping timeout. Will keep trying...";
StartXmppPing();
// Or should we do this instead?
// Quit();
}
void CallClient::SendStatus(const buzz::PresenceStatus& status) {
presence_out_->Send(status);
}
void CallClient::OnStatusUpdate(const buzz::PresenceStatus& status) {
RosterItem item;
item.jid = status.jid();
item.show = status.show();
item.status = status.status();
std::string key = item.jid.Str();
if (status.available() && status.voice_capability()) {
if (show_roster_messages_) {
console_->PrintLine("Adding to roster: %s", key.c_str());
}
(*roster_)[key] = item;
// TODO: Make some of these constants.
} else {
if (show_roster_messages_) {
console_->PrintLine("Removing from roster: %s", key.c_str());
}
RosterMap::iterator iter = roster_->find(key);
if (iter != roster_->end())
roster_->erase(iter);
}
}
void CallClient::PrintRoster() {
console_->PrintLine("Roster contains %d callable", roster_->size());
RosterMap::iterator iter = roster_->begin();
while (iter != roster_->end()) {
console_->PrintLine("%s - %s",
iter->second.jid.BareJid().Str().c_str(),
DescribeStatus(iter->second.show, iter->second.status));
iter++;
}
}
void CallClient::SendChat(const std::string& to, const std::string msg) {
buzz::XmlElement* stanza = new buzz::XmlElement(buzz::QN_MESSAGE);
stanza->AddAttr(buzz::QN_TO, to);
stanza->AddAttr(buzz::QN_ID, rtc::CreateRandomString(16));
stanza->AddAttr(buzz::QN_TYPE, "chat");
buzz::XmlElement* body = new buzz::XmlElement(buzz::QN_BODY);
body->SetBodyText(msg);
stanza->AddElement(body);
xmpp_client_->SendStanza(stanza);
delete stanza;
}
void CallClient::SendData(const std::string& streamid,
const std::string& text) {
// TODO(mylesj): Support sending data over sessions other than the first.
cricket::Session* session = GetFirstSession();
if (!call_ || !session) {
console_->PrintLine("Must be in a call to send data.");
return;
}
if (!call_->has_data()) {
console_->PrintLine("This call doesn't have a data channel.");
return;
}
const cricket::DataContentDescription* data =
cricket::GetFirstDataContentDescription(session->local_description());
if (!data) {
console_->PrintLine("This call doesn't have a data content.");
return;
}
cricket::StreamParams stream;
if (!cricket::GetStreamByIds(
data->streams(), "", streamid, &stream)) {
LOG(LS_WARNING) << "Could not send data: no such stream: "
<< streamid << ".";
return;
}
cricket::SendDataParams params;
params.ssrc = stream.first_ssrc();
rtc::Buffer payload(text.data(), text.length());
cricket::SendDataResult result;
bool sent = call_->SendData(session, params, payload, &result);
if (!sent) {
if (result == cricket::SDR_BLOCK) {
LOG(LS_WARNING) << "Could not send data because it would block.";
} else {
LOG(LS_WARNING) << "Could not send data for unknown reason.";
}
}
}
void CallClient::InviteFriend(const std::string& name) {
buzz::Jid jid(name);
if (!jid.IsValid() || jid.node() == "") {
console_->PrintLine("Invalid JID. JIDs should be in the form user@domain.");
return;
}
// Note: for some reason the Buzz backend does not forward our presence
// subscription requests to the end user when that user is another call
// client as opposed to a Smurf user. Thus, in that scenario, you must
// run the friend command as the other user too to create the linkage
// (and you won't be notified to do so).
friend_invite_send_->Send(jid);
console_->PrintLine("Requesting to befriend %s.", name.c_str());
}
bool CallClient::FindJid(const std::string& name, buzz::Jid* found_jid,
cricket::CallOptions* options) {
bool found = false;
options->is_muc = false;
buzz::Jid callto_jid(name);
if (name.length() == 0 && mucs_.size() > 0) {
// if no name, and in a MUC, establish audio with the MUC
*found_jid = mucs_.begin()->first;
found = true;
options->is_muc = true;
} else if (name[0] == '+') {
// if the first character is a +, assume it's a phone number
*found_jid = callto_jid;
found = true;
} else {
// otherwise, it's a friend
for (RosterMap::iterator iter = roster_->begin();
iter != roster_->end(); ++iter) {
if (iter->second.jid.BareEquals(callto_jid)) {
found = true;
*found_jid = iter->second.jid;
break;
}
}
if (!found) {
if (mucs_.count(callto_jid) == 1 &&
mucs_[callto_jid]->state() == buzz::Muc::MUC_JOINED) {
found = true;
*found_jid = callto_jid;
options->is_muc = true;
}
}
}
if (found) {
console_->PrintLine("Found %s '%s'",
options->is_muc ? "room" : "online friend",
found_jid->Str().c_str());
} else {
console_->PrintLine("Could not find online friend '%s'", name.c_str());
}
return found;
}
void CallClient::OnDataReceived(cricket::Call*,
const cricket::ReceiveDataParams& params,
const rtc::Buffer& payload) {
// TODO(mylesj): Support receiving data on sessions other than the first.
cricket::Session* session = GetFirstSession();
if (!session)
return;
cricket::StreamParams stream;
const std::vector<cricket::StreamParams>* data_streams =
call_->GetDataRecvStreams(session);
std::string text(payload.data(), payload.length());
if (data_streams && GetStreamBySsrc(*data_streams, params.ssrc, &stream)) {
console_->PrintLine(
"Received data from '%s' on stream '%s' (ssrc=%u): %s",
stream.groupid.c_str(), stream.id.c_str(),
params.ssrc, text.c_str());
} else {
console_->PrintLine(
"Received data (ssrc=%u): %s",
params.ssrc, text.c_str());
}
}
bool CallClient::PlaceCall(const std::string& name,
cricket::CallOptions options) {
buzz::Jid jid;
if (!FindJid(name, &jid, &options))
return false;
if (!call_) {
call_ = media_client_->CreateCall();
AddSession(call_->InitiateSession(jid, media_client_->jid(), options));
}
media_client_->SetFocus(call_);
if (call_->has_video() && render_ && !options.is_muc) {
// TODO(pthatcher): Hookup local_render_ to the local capturer.
}
if (options.is_muc) {
const std::string& nick = mucs_[jid]->local_jid().resource();
hangout_pubsub_client_ =
new buzz::HangoutPubSubClient(xmpp_client_, jid, nick);
hangout_pubsub_client_->SignalPresenterStateChange.connect(
this, &CallClient::OnPresenterStateChange);
hangout_pubsub_client_->SignalAudioMuteStateChange.connect(
this, &CallClient::OnAudioMuteStateChange);
hangout_pubsub_client_->SignalRecordingStateChange.connect(
this, &CallClient::OnRecordingStateChange);
hangout_pubsub_client_->SignalRemoteMute.connect(
this, &CallClient::OnRemoteMuted);
hangout_pubsub_client_->SignalMediaBlock.connect(
this, &CallClient::OnMediaBlocked);
hangout_pubsub_client_->SignalRequestError.connect(
this, &CallClient::OnHangoutRequestError);
hangout_pubsub_client_->SignalPublishAudioMuteError.connect(
this, &CallClient::OnHangoutPublishAudioMuteError);
hangout_pubsub_client_->SignalPublishPresenterError.connect(
this, &CallClient::OnHangoutPublishPresenterError);
hangout_pubsub_client_->SignalPublishRecordingError.connect(
this, &CallClient::OnHangoutPublishRecordingError);
hangout_pubsub_client_->SignalRemoteMuteError.connect(
this, &CallClient::OnHangoutRemoteMuteError);
hangout_pubsub_client_->RequestAll();
}
return true;
}
bool CallClient::InitiateAdditionalSession(const std::string& name,
cricket::CallOptions options) {
// Can't add a session if there is no call yet.
if (!call_)
return false;
buzz::Jid jid;
if (!FindJid(name, &jid, &options))
return false;
std::vector<cricket::Session*>& call_sessions = sessions_[call_->id()];
call_sessions.push_back(
call_->InitiateSession(jid,
buzz::Jid(call_sessions[0]->remote_name()),
options));
return true;
}
void CallClient::TerminateAndRemoveSession(cricket::Call* call,
const std::string& id) {
std::vector<cricket::Session*>& call_sessions = sessions_[call->id()];
for (std::vector<cricket::Session*>::iterator iter = call_sessions.begin();
iter != call_sessions.end(); ++iter) {
if ((*iter)->id() == id) {
RenderAllStreams(call, *iter, false);
call_->TerminateSession(*iter);
call_sessions.erase(iter);
break;
}
}
}
void CallClient::PrintCalls() {
const std::map<uint32, cricket::Call*>& calls = media_client_->calls();
for (std::map<uint32, cricket::Call*>::const_iterator i = calls.begin();
i != calls.end(); ++i) {
console_->PrintLine("Call (id:%d), is %s",
i->first,
i->second == call_ ? "active" : "on hold");
std::vector<cricket::Session *>& sessions = sessions_[call_->id()];
for (std::vector<cricket::Session *>::const_iterator j = sessions.begin();
j != sessions.end(); ++j) {
console_->PrintLine("|--Session (id:%s), to %s", (*j)->id().c_str(),
(*j)->remote_name().c_str());
std::vector<cricket::StreamParams>::const_iterator k;
const std::vector<cricket::StreamParams>* streams =
i->second->GetAudioRecvStreams(*j);
if (streams)
for (k = streams->begin(); k != streams->end(); ++k) {
console_->PrintLine("|----Audio Stream: %s", k->ToString().c_str());
}
streams = i->second->GetVideoRecvStreams(*j);
if (streams)
for (k = streams->begin(); k != streams->end(); ++k) {
console_->PrintLine("|----Video Stream: %s", k->ToString().c_str());
}
streams = i->second->GetDataRecvStreams(*j);
if (streams)
for (k = streams->begin(); k != streams->end(); ++k) {
console_->PrintLine("|----Data Stream: %s", k->ToString().c_str());
}
}
}
}
void CallClient::SwitchToCall(uint32 call_id) {
const std::map<uint32, cricket::Call*>& calls = media_client_->calls();
std::map<uint32, cricket::Call*>::const_iterator call_iter =
calls.find(call_id);
if (call_iter != calls.end()) {
media_client_->SetFocus(call_iter->second);
call_ = call_iter->second;
} else {
console_->PrintLine("Unable to find call: %d", call_id);
}
}
void CallClient::OnPresenterStateChange(
const std::string& nick, bool was_presenting, bool is_presenting) {
if (!was_presenting && is_presenting) {
console_->PrintLine("%s now presenting.", nick.c_str());
} else if (was_presenting && !is_presenting) {
console_->PrintLine("%s no longer presenting.", nick.c_str());
} else if (was_presenting && is_presenting) {
console_->PrintLine("%s still presenting.", nick.c_str());
} else if (!was_presenting && !is_presenting) {
console_->PrintLine("%s still not presenting.", nick.c_str());
}
}
void CallClient::OnAudioMuteStateChange(
const std::string& nick, bool was_muted, bool is_muted) {
if (!was_muted && is_muted) {
console_->PrintLine("%s now muted.", nick.c_str());
} else if (was_muted && !is_muted) {
console_->PrintLine("%s no longer muted.", nick.c_str());
}
}
void CallClient::OnRecordingStateChange(
const std::string& nick, bool was_recording, bool is_recording) {
if (!was_recording && is_recording) {
console_->PrintLine("%s now recording.", nick.c_str());
} else if (was_recording && !is_recording) {
console_->PrintLine("%s no longer recording.", nick.c_str());
}
}
void CallClient::OnRemoteMuted(const std::string& mutee_nick,
const std::string& muter_nick,
bool should_mute_locally) {
if (should_mute_locally) {
call_->Mute(true);
console_->PrintLine("Remote muted by %s.", muter_nick.c_str());
} else {
console_->PrintLine("%s remote muted by %s.",
mutee_nick.c_str(), muter_nick.c_str());
}
}
void CallClient::OnMediaBlocked(const std::string& blockee_nick,
const std::string& blocker_nick) {
console_->PrintLine("%s blocked by %s.",
blockee_nick.c_str(), blocker_nick.c_str());
}
void CallClient::OnHangoutRequestError(const std::string& node,
const buzz::XmlElement* stanza) {
console_->PrintLine("Failed request pub sub items for node %s.",
node.c_str());
}
void CallClient::OnHangoutPublishAudioMuteError(
const std::string& task_id, const buzz::XmlElement* stanza) {
console_->PrintLine("Failed to publish audio mute state.");
}
void CallClient::OnHangoutPublishPresenterError(
const std::string& task_id, const buzz::XmlElement* stanza) {
console_->PrintLine("Failed to publish presenting state.");
}
void CallClient::OnHangoutPublishRecordingError(
const std::string& task_id, const buzz::XmlElement* stanza) {
console_->PrintLine("Failed to publish recording state.");
}
void CallClient::OnHangoutRemoteMuteError(const std::string& task_id,
const std::string& mutee_nick,
const buzz::XmlElement* stanza) {
console_->PrintLine("Failed to remote mute.");
}
void CallClient::Accept(const cricket::CallOptions& options) {
ASSERT(call_ && incoming_call_);
ASSERT(sessions_[call_->id()].size() == 1);
cricket::Session* session = GetFirstSession();
call_->AcceptSession(session, options);
media_client_->SetFocus(call_);
if (call_->has_video() && render_) {
// TODO(pthatcher): Hookup local_render_ to the local capturer.
RenderAllStreams(call_, session, true);
}
SetupAcceptedCall();
incoming_call_ = false;
}
void CallClient::SetupAcceptedCall() {
if (call_->has_data()) {
call_->SignalDataReceived.connect(this, &CallClient::OnDataReceived);
}
}
void CallClient::Reject() {
ASSERT(call_ && incoming_call_);
call_->RejectSession(call_->sessions()[0]);
incoming_call_ = false;
}
void CallClient::Quit() {
rtc::Thread::Current()->Quit();
}
void CallClient::SetNick(const std::string& muc_nick) {
my_status_.set_nick(muc_nick);
// TODO: We might want to re-send presence, but right
// now, it appears to be ignored by the MUC.
//
// presence_out_->Send(my_status_); for (MucMap::const_iterator itr
// = mucs_.begin(); itr != mucs_.end(); ++itr) {
// presence_out_->SendDirected(itr->second->local_jid(),
// my_status_); }
console_->PrintLine("Nick set to '%s'.", muc_nick.c_str());
}
void CallClient::LookupAndJoinMuc(const std::string& room_name) {
// The room_name can't be empty for lookup task.
if (room_name.empty()) {
console_->PrintLine("Please provide a room name or room jid.");
return;
}
std::string room = room_name;
std::string domain = xmpp_client_->jid().domain();
if (room_name.find("@") != std::string::npos) {
// Assume the room_name is a fully qualified room name.
// We'll find the room name string and domain name string from it.
room = room_name.substr(0, room_name.find("@"));
domain = room_name.substr(room_name.find("@") + 1);
}
buzz::MucRoomLookupTask* lookup_query_task =
buzz::MucRoomLookupTask::CreateLookupTaskForRoomName(
xmpp_client_, buzz::Jid(buzz::STR_GOOGLE_MUC_LOOKUP_JID), room,
domain);
lookup_query_task->SignalResult.connect(this,
&CallClient::OnRoomLookupResponse);
lookup_query_task->SignalError.connect(this,
&CallClient::OnRoomLookupError);
lookup_query_task->Start();
}
void CallClient::JoinMuc(const std::string& room_jid_str) {
if (room_jid_str.empty()) {
buzz::Jid room_jid = GenerateRandomMucJid();
console_->PrintLine("Generated a random room jid: %s",
room_jid.Str().c_str());
JoinMuc(room_jid);
} else {
JoinMuc(buzz::Jid(room_jid_str));
}
}
void CallClient::JoinMuc(const buzz::Jid& room_jid) {
if (!room_jid.IsValid()) {
console_->PrintLine("Unable to make valid muc endpoint for %s",
room_jid.Str().c_str());
return;
}
std::string room_nick = room_jid.resource();
if (room_nick.empty()) {
room_nick = (xmpp_client_->jid().node()
+ "_" + xmpp_client_->jid().resource());
}
MucMap::iterator elem = mucs_.find(room_jid);
if (elem != mucs_.end()) {
console_->PrintLine("This MUC already exists.");
return;
}
buzz::Muc* muc = new buzz::Muc(room_jid.BareJid(), room_nick);
mucs_[muc->jid()] = muc;
presence_out_->SendDirected(muc->local_jid(), my_status_);
}
void CallClient::OnRoomLookupResponse(buzz::MucRoomLookupTask* task,
const buzz::MucRoomInfo& room) {
// The server requires the room be "configured" before being used.
// We only need to configure it if we create it, but rooms are
// auto-created at lookup, so there's currently no way to know if we
// created it. So, we configure it every time, just in case.
// Luckily, it appears to be safe to configure a room that's already
// configured. Our current flow is:
// 1. Lookup/auto-create
// 2. Configure
// 3. Join
// TODO: In the future, once the server supports it, we
// should:
// 1. Lookup
// 2. Create and Configure if necessary
// 3. Join
std::vector<std::string> room_features;
room_features.push_back(buzz::STR_MUC_ROOM_FEATURE_ENTERPRISE);
buzz::MucRoomConfigTask* room_config_task = new buzz::MucRoomConfigTask(
xmpp_client_, room.jid, room.full_name(), room_features);
room_config_task->SignalResult.connect(this,
&CallClient::OnRoomConfigResult);
room_config_task->SignalError.connect(this,
&CallClient::OnRoomConfigError);
room_config_task->Start();
}
void CallClient::OnRoomLookupError(buzz::IqTask* task,
const buzz::XmlElement* stanza) {
if (stanza == NULL) {
console_->PrintLine("Room lookup failed.");
} else {
console_->PrintLine("Room lookup error: ", stanza->Str().c_str());
}
}
void CallClient::OnRoomConfigResult(buzz::MucRoomConfigTask* task) {
JoinMuc(task->room_jid());
}
void CallClient::OnRoomConfigError(buzz::IqTask* task,
const buzz::XmlElement* stanza) {
console_->PrintLine("Room config failed.");
// We join the muc anyway, because if the room is already
// configured, the configure will fail, but we still want to join.
// Idealy, we'd know why the room config failed and only do this on
// "already configured" errors. But right now all we get back is
// "not-allowed".
buzz::MucRoomConfigTask* config_task =
static_cast<buzz::MucRoomConfigTask*>(task);
JoinMuc(config_task->room_jid());
}
void CallClient::OnMucInviteReceived(const buzz::Jid& inviter,
const buzz::Jid& room,
const std::vector<buzz::AvailableMediaEntry>& avail) {
console_->PrintLine("Invited to join %s by %s.", room.Str().c_str(),
inviter.Str().c_str());
console_->PrintLine("Available media:");
if (avail.size() > 0) {
for (std::vector<buzz::AvailableMediaEntry>::const_iterator i =
avail.begin();
i != avail.end();
++i) {
console_->PrintLine(" %s, %s",
buzz::AvailableMediaEntry::TypeAsString(i->type),
buzz::AvailableMediaEntry::StatusAsString(i->status));
}
} else {
console_->PrintLine(" None");
}
// We automatically join the room.
JoinMuc(room);
}
void CallClient::OnMucJoined(const buzz::Jid& endpoint) {
MucMap::iterator elem = mucs_.find(endpoint);
ASSERT(elem != mucs_.end() &&
elem->second->state() == buzz::Muc::MUC_JOINING);
buzz::Muc* muc = elem->second;
muc->set_state(buzz::Muc::MUC_JOINED);
console_->PrintLine("Joined \"%s\"", muc->jid().Str().c_str());
}
void CallClient::OnMucStatusUpdate(const buzz::Jid& jid,
const buzz::MucPresenceStatus& status) {
// Look up this muc.
MucMap::iterator elem = mucs_.find(jid);
ASSERT(elem != mucs_.end());
buzz::Muc* muc = elem->second;
if (status.jid().IsBare() || status.jid() == muc->local_jid()) {
// We are only interested in status about other users.
return;
}
if (status.available()) {
muc->members()[status.jid().resource()] = status;
} else {
muc->members().erase(status.jid().resource());
}
}
bool CallClient::InMuc() {
const buzz::Jid* muc_jid = FirstMucJid();
if (!muc_jid) return false;
return muc_jid->IsValid();
}
const buzz::Jid* CallClient::FirstMucJid() {
if (mucs_.empty()) return NULL;
return &(mucs_.begin()->first);
}
void CallClient::LeaveMuc(const std::string& room) {
buzz::Jid room_jid;
const buzz::Jid* muc_jid = FirstMucJid();
if (room.length() > 0) {
room_jid = buzz::Jid(room);
} else if (mucs_.size() > 0) {
// leave the first MUC if no JID specified
if (muc_jid) {
room_jid = *(muc_jid);
}
}
if (!room_jid.IsValid()) {
console_->PrintLine("Invalid MUC JID.");
return;
}
MucMap::iterator elem = mucs_.find(room_jid);
if (elem == mucs_.end()) {
console_->PrintLine("No such MUC.");
return;
}
buzz::Muc* muc = elem->second;
muc->set_state(buzz::Muc::MUC_LEAVING);
buzz::PresenceStatus status;
status.set_jid(my_status_.jid());
status.set_available(false);
status.set_priority(0);
presence_out_->SendDirected(muc->local_jid(), status);
}
void CallClient::OnMucLeft(const buzz::Jid& endpoint, int error) {
// We could be kicked from a room from any state. We would hope this
// happens While in the MUC_LEAVING state
MucMap::iterator elem = mucs_.find(endpoint);
if (elem == mucs_.end())
return;
buzz::Muc* muc = elem->second;
if (muc->state() == buzz::Muc::MUC_JOINING) {
console_->PrintLine("Failed to join \"%s\", code=%d",
muc->jid().Str().c_str(), error);
} else if (muc->state() == buzz::Muc::MUC_JOINED) {
console_->PrintLine("Kicked from \"%s\"",
muc->jid().Str().c_str());
}
delete muc;
mucs_.erase(elem);
}
void CallClient::InviteToMuc(const std::string& given_user,
const std::string& room) {
std::string user = given_user;
// First find the room.
const buzz::Muc* found_muc;
if (room.length() == 0) {
if (mucs_.size() == 0) {
console_->PrintLine("Not in a room yet; can't invite.");
return;
}
// Invite to the first muc
found_muc = mucs_.begin()->second;
} else {
MucMap::iterator elem = mucs_.find(buzz::Jid(room));
if (elem == mucs_.end()) {
console_->PrintLine("Not in room %s.", room.c_str());
return;
}
found_muc = elem->second;
}
buzz::Jid invite_to = found_muc->jid();
// Now find the user. We invite all of their resources.
bool found_user = false;
buzz::Jid user_jid(user);
for (RosterMap::iterator iter = roster_->begin();
iter != roster_->end(); ++iter) {
if (iter->second.jid.BareEquals(user_jid)) {
buzz::Jid invitee = iter->second.jid;
muc_invite_send_->Send(invite_to, invitee);
found_user = true;
}
}
if (!found_user) {
buzz::Jid invitee = user_jid;
muc_invite_send_->Send(invite_to, invitee);
}
}
void CallClient::GetDevices() {
std::vector<std::string> names;
media_client_->GetAudioInputDevices(&names);
console_->PrintLine("Audio input devices:");
PrintDevices(names);
media_client_->GetAudioOutputDevices(&names);
console_->PrintLine("Audio output devices:");
PrintDevices(names);
media_client_->GetVideoCaptureDevices(&names);
console_->PrintLine("Video capture devices:");
PrintDevices(names);
}
void CallClient::PrintDevices(const std::vector<std::string>& names) {
for (size_t i = 0; i < names.size(); ++i) {
console_->PrintLine("%d: %s", static_cast<int>(i), names[i].c_str());
}
}
void CallClient::OnDevicesChange() {
console_->PrintLine("Devices changed.");
SetMediaCaps(media_client_->GetCapabilities(), &my_status_);
SendStatus(my_status_);
}
void CallClient::SetVolume(const std::string& level) {
media_client_->SetOutputVolume(strtol(level.c_str(), NULL, 10));
}
void CallClient::OnMediaStreamsUpdate(cricket::Call* call,
cricket::Session* session,
const cricket::MediaStreams& added,
const cricket::MediaStreams& removed) {
if (call && call->has_video()) {
for (std::vector<cricket::StreamParams>::const_iterator
it = removed.video().begin(); it != removed.video().end(); ++it) {
RemoveStaticRenderedView(it->first_ssrc());
}
if (render_) {
RenderStreams(call, session, added.video(), true);
}
SendViewRequest(call, session);
}
}
void CallClient::RenderAllStreams(cricket::Call* call,
cricket::Session* session,
bool enable) {
const std::vector<cricket::StreamParams>* video_streams =
call->GetVideoRecvStreams(session);
if (video_streams) {
RenderStreams(call, session, *video_streams, enable);
}
}
void CallClient::RenderStreams(
cricket::Call* call,
cricket::Session* session,
const std::vector<cricket::StreamParams>& video_streams,
bool enable) {
std::vector<cricket::StreamParams>::const_iterator stream;
for (stream = video_streams.begin(); stream != video_streams.end();
++stream) {
RenderStream(call, session, *stream, enable);
}
}
void CallClient::RenderStream(cricket::Call* call,
cricket::Session* session,
const cricket::StreamParams& stream,
bool enable) {
if (!stream.has_ssrcs()) {
// Nothing to see here; move along.
return;
}
uint32 ssrc = stream.first_ssrc();
StaticRenderedViews::iterator iter =
static_rendered_views_.find(std::make_pair(session, ssrc));
if (enable) {
if (iter == static_rendered_views_.end()) {
// TODO(pthatcher): Make dimensions and positions more configurable.
int offset = (50 * static_views_accumulated_count_) % 300;
AddStaticRenderedView(session, ssrc, 640, 400, 30,
offset, offset);
// Should have it now.
iter = static_rendered_views_.find(std::make_pair(session, ssrc));
}
call->SetVideoRenderer(session, ssrc, iter->second.renderer);
} else {
if (iter != static_rendered_views_.end()) {
call->SetVideoRenderer(session, ssrc, NULL);
RemoveStaticRenderedView(ssrc);
}
}
}
// TODO: Would these methods to add and remove views make
// more sense in call.cc? Would other clients use them?
void CallClient::AddStaticRenderedView(
cricket::Session* session,
uint32 ssrc, int width, int height, int framerate,
int x_offset, int y_offset) {
StaticRenderedView rendered_view(
cricket::StaticVideoView(
cricket::StreamSelector(ssrc), width, height, framerate),
cricket::VideoRendererFactory::CreateGuiVideoRenderer(
x_offset, y_offset));
rendered_view.renderer->SetSize(width, height, 0);
static_rendered_views_.insert(std::make_pair(std::make_pair(session, ssrc),
rendered_view));
++static_views_accumulated_count_;
console_->PrintLine("Added renderer for ssrc %d", ssrc);
}
bool CallClient::RemoveStaticRenderedView(uint32 ssrc) {
for (StaticRenderedViews::iterator it = static_rendered_views_.begin();
it != static_rendered_views_.end(); ++it) {
if (it->second.view.selector.ssrc == ssrc) {
delete it->second.renderer;
static_rendered_views_.erase(it);
console_->PrintLine("Removed renderer for ssrc %d", ssrc);
return true;
}
}
return false;
}
void CallClient::RemoveCallsStaticRenderedViews(cricket::Call* call) {
std::vector<cricket::Session*>& sessions = sessions_[call->id()];
std::set<cricket::Session*> call_sessions(sessions.begin(), sessions.end());
for (StaticRenderedViews::iterator it = static_rendered_views_.begin();
it != static_rendered_views_.end(); ) {
if (call_sessions.find(it->first.first) != call_sessions.end()) {
delete it->second.renderer;
static_rendered_views_.erase(it++);
} else {
++it;
}
}
}
void CallClient::SendViewRequest(cricket::Call* call,
cricket::Session* session) {
cricket::ViewRequest request;
for (StaticRenderedViews::iterator it = static_rendered_views_.begin();
it != static_rendered_views_.end(); ++it) {
if (it->first.first == session) {
request.static_video_views.push_back(it->second.view);
}
}
call->SendViewRequest(session, request);
}
buzz::Jid CallClient::GenerateRandomMucJid() {
// Generate a GUID of the form XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX,
// for an eventual JID of private-chat-<GUID>@groupchat.google.com.
char guid[37], guid_room[256];
for (size_t i = 0; i < ARRAY_SIZE(guid) - 1;) {
if (i == 8 || i == 13 || i == 18 || i == 23) {
guid[i++] = '-';
} else {
sprintf(guid + i, "%04x", rand());
i += 4;
}
}
rtc::sprintfn(guid_room,
ARRAY_SIZE(guid_room),
"private-chat-%s@%s",
guid,
pmuc_domain_.c_str());
return buzz::Jid(guid_room);
}
bool CallClient::SelectFirstDesktopScreencastId(
cricket::ScreencastId* screencastid) {
if (!rtc::WindowPickerFactory::IsSupported()) {
LOG(LS_WARNING) << "Window picker not suported on this OS.";
return false;
}
rtc::WindowPicker* picker =
rtc::WindowPickerFactory::CreateWindowPicker();
if (!picker) {
LOG(LS_WARNING) << "Could not create a window picker.";
return false;
}
rtc::DesktopDescriptionList desktops;
if (!picker->GetDesktopList(&desktops) || desktops.empty()) {
LOG(LS_WARNING) << "Could not get a list of desktops.";
return false;
}
*screencastid = cricket::ScreencastId(desktops[0].id());
return true;
}
void CallClient::PrintStats() const {
const cricket::VoiceMediaInfo& vmi = call_->last_voice_media_info();
for (std::vector<cricket::VoiceSenderInfo>::const_iterator it =
vmi.senders.begin(); it != vmi.senders.end(); ++it) {
console_->PrintLine("Sender: ssrc=%u codec='%s' bytes=%d packets=%d "
"rtt=%d jitter=%d",
it->ssrc(), it->codec_name.c_str(), it->bytes_sent,
it->packets_sent, it->rtt_ms, it->jitter_ms);
}
for (std::vector<cricket::VoiceReceiverInfo>::const_iterator it =
vmi.receivers.begin(); it != vmi.receivers.end(); ++it) {
console_->PrintLine("Receiver: ssrc=%u bytes=%d packets=%d "
"jitter=%d loss=%.2f",
it->ssrc(), it->bytes_rcvd, it->packets_rcvd,
it->jitter_ms, it->fraction_lost);
}
}
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