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259 lines
8.5 KiB
259 lines
8.5 KiB
/*
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* libjingle
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* Copyright 2004--2005, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "talk/base/thread.h"
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#include "talk/p2p/base/helpers.h"
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#include "talk/session/phone/call.h"
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namespace cricket {
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const uint32 MSG_CHECKAUTODESTROY = 1;
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Call::Call(PhoneSessionClient *session_client) : muted_(false) {
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session_client_ = session_client;
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id_ = CreateRandomId();
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}
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Call::~Call() {
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while (sessions_.begin() != sessions_.end()) {
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Session *session = sessions_[0];
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RemoveSession(session);
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session_client_->session_manager()->DestroySession(session);
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}
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Thread::Current()->Clear(this);
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}
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Session *Call::InitiateSession(const buzz::Jid &jid) {
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Session *session = session_client_->CreateSession(this);
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AddSession(session);
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session->Initiate(jid.Str(), session_client_->CreateOfferSessionDescription());
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return session;
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}
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void Call::AcceptSession(Session *session) {
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std::vector<Session *>::iterator it;
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it = std::find(sessions_.begin(), sessions_.end(), session);
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assert(it != sessions_.end());
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if (it != sessions_.end())
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session->Accept(session_client_->CreateAcceptSessionDescription(session->remote_description()));
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}
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void Call::RedirectSession(Session *session, const buzz::Jid &to) {
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std::vector<Session *>::iterator it;
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it = std::find(sessions_.begin(), sessions_.end(), session);
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assert(it != sessions_.end());
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if (it != sessions_.end())
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session->Redirect(to.Str());
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}
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void Call::RejectSession(Session *session) {
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std::vector<Session *>::iterator it;
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it = std::find(sessions_.begin(), sessions_.end(), session);
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assert(it != sessions_.end());
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if (it != sessions_.end())
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session->Reject();
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}
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void Call::TerminateSession(Session *session) {
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assert(std::find(sessions_.begin(), sessions_.end(), session) != sessions_.end());
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std::vector<Session *>::iterator it;
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it = std::find(sessions_.begin(), sessions_.end(), session);
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if (it != sessions_.end())
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(*it)->Terminate();
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}
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void Call::Terminate() {
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// There may be more than one session to terminate
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std::vector<Session *>::iterator it = sessions_.begin();
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for (it = sessions_.begin(); it != sessions_.end(); it++)
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TerminateSession(*it);
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}
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void Call::OnMessage(Message *message) {
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switch (message->message_id) {
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case MSG_CHECKAUTODESTROY:
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// If no more sessions for this call, delete it
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if (sessions_.size() == 0)
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session_client_->DestroyCall(this);
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break;
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}
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}
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const std::vector<Session *> &Call::sessions() {
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return sessions_;
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}
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void Call::AddSession(Session *session) {
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// Add session to list, create voice channel for this session
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sessions_.push_back(session);
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session->SignalState.connect(this, &Call::OnSessionState);
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session->SignalError.connect(this, &Call::OnSessionError);
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VoiceChannel *channel = session_client_->channel_manager()->CreateVoiceChannel(session);
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channel_map_[session->id()] = channel;
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// If this call has the focus, enable this channel
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if (session_client_->GetFocus() == this)
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channel->Enable(true);
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// Signal client
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SignalAddSession(this, session);
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}
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void Call::RemoveSession(Session *session) {
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// Remove session from list
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std::vector<Session *>::iterator it_session;
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it_session = std::find(sessions_.begin(), sessions_.end(), session);
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if (it_session == sessions_.end())
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return;
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sessions_.erase(it_session);
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// Destroy session channel
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std::map<SessionID, VoiceChannel *>::iterator it_channel;
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it_channel = channel_map_.find(session->id());
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if (it_channel != channel_map_.end()) {
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VoiceChannel *channel = it_channel->second;
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channel_map_.erase(it_channel);
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session_client_->channel_manager()->DestroyVoiceChannel(channel);
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}
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// Signal client
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SignalRemoveSession(this, session);
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// The call auto destroys when the lass session is removed
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Thread::Current()->Post(this, MSG_CHECKAUTODESTROY);
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}
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VoiceChannel* Call::GetChannel(Session* session) {
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std::map<SessionID, VoiceChannel *>::iterator it = channel_map_.find(session->id());
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assert(it != channel_map_.end());
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return it->second;
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}
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void Call::EnableChannels(bool enable) {
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std::vector<Session *>::iterator it;
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for (it = sessions_.begin(); it != sessions_.end(); it++) {
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VoiceChannel *channel = channel_map_[(*it)->id()];
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if (channel != NULL)
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channel->Enable(enable);
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}
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}
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void Call::Mute(bool mute) {
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muted_ = mute;
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std::vector<Session *>::iterator it;
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for (it = sessions_.begin(); it != sessions_.end(); it++) {
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VoiceChannel *channel = channel_map_[(*it)->id()];
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if (channel != NULL)
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channel->Mute(mute);
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}
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}
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void Call::Join(Call *call, bool enable) {
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while (call->sessions_.size() != 0) {
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// Move session
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Session *session = call->sessions_[0];
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call->sessions_.erase(call->sessions_.begin());
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sessions_.push_back(session);
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session->SignalState.connect(this, &Call::OnSessionState);
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session->SignalError.connect(this, &Call::OnSessionError);
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// Move channel
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std::map<SessionID, VoiceChannel *>::iterator it_channel;
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it_channel = call->channel_map_.find(session->id());
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if (it_channel != call->channel_map_.end()) {
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VoiceChannel *channel = (*it_channel).second;
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call->channel_map_.erase(it_channel);
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channel_map_[session->id()] = channel;
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channel->Enable(enable);
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}
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}
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}
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void Call::StartConnectionMonitor(Session *session, int cms) {
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std::map<SessionID, VoiceChannel *>::iterator it_channel;
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it_channel = channel_map_.find(session->id());
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if (it_channel != channel_map_.end()) {
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VoiceChannel *channel = (*it_channel).second;
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channel->SignalConnectionMonitor.connect(this, &Call::OnConnectionMonitor);
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channel->StartConnectionMonitor(cms);
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}
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}
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void Call::StopConnectionMonitor(Session *session) {
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std::map<SessionID, VoiceChannel *>::iterator it_channel;
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it_channel = channel_map_.find(session->id());
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if (it_channel != channel_map_.end()) {
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VoiceChannel *channel = (*it_channel).second;
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channel->StopConnectionMonitor();
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channel->SignalConnectionMonitor.disconnect(this);
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}
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}
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void Call::StartAudioMonitor(Session *session, int cms) {
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std::map<SessionID, VoiceChannel *>::iterator it_channel;
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it_channel = channel_map_.find(session->id());
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if (it_channel != channel_map_.end()) {
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VoiceChannel *channel = (*it_channel).second;
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channel->SignalAudioMonitor.connect(this, &Call::OnAudioMonitor);
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channel->StartAudioMonitor(cms);
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}
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}
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void Call::StopAudioMonitor(Session *session) {
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std::map<SessionID, VoiceChannel *>::iterator it_channel;
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it_channel = channel_map_.find(session->id());
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if (it_channel != channel_map_.end()) {
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VoiceChannel *channel = (*it_channel).second;
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channel->StopAudioMonitor();
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channel->SignalAudioMonitor.disconnect(this);
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}
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}
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void Call::OnConnectionMonitor(VoiceChannel *channel, const std::vector<ConnectionInfo> &infos) {
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SignalConnectionMonitor(this, channel->session(), infos);
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}
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void Call::OnAudioMonitor(VoiceChannel *channel, const AudioInfo& info) {
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SignalAudioMonitor(this, channel->session(), info);
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}
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uint32 Call::id() {
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return id_;
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}
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void Call::OnSessionState(Session *session, Session::State state) {
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SignalSessionState(this, session, state);
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}
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void Call::OnSessionError(Session *session, Session::Error error) {
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SignalSessionError(this, session, error);
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}
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}
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