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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/base/thread.h"
#include "talk/p2p/base/helpers.h"
#include "talk/session/phone/call.h"
namespace cricket {
const uint32 MSG_CHECKAUTODESTROY = 1;
Call::Call(PhoneSessionClient *session_client) : muted_(false) {
session_client_ = session_client;
id_ = CreateRandomId();
}
Call::~Call() {
while (sessions_.begin() != sessions_.end()) {
Session *session = sessions_[0];
RemoveSession(session);
session_client_->session_manager()->DestroySession(session);
}
Thread::Current()->Clear(this);
}
Session *Call::InitiateSession(const buzz::Jid &jid) {
Session *session = session_client_->CreateSession(this);
AddSession(session);
session->Initiate(jid.Str(), session_client_->CreateOfferSessionDescription());
return session;
}
void Call::AcceptSession(Session *session) {
std::vector<Session *>::iterator it;
it = std::find(sessions_.begin(), sessions_.end(), session);
assert(it != sessions_.end());
if (it != sessions_.end())
session->Accept(session_client_->CreateAcceptSessionDescription(session->remote_description()));
}
void Call::RedirectSession(Session *session, const buzz::Jid &to) {
std::vector<Session *>::iterator it;
it = std::find(sessions_.begin(), sessions_.end(), session);
assert(it != sessions_.end());
if (it != sessions_.end())
session->Redirect(to.Str());
}
void Call::RejectSession(Session *session) {
std::vector<Session *>::iterator it;
it = std::find(sessions_.begin(), sessions_.end(), session);
assert(it != sessions_.end());
if (it != sessions_.end())
session->Reject();
}
void Call::TerminateSession(Session *session) {
assert(std::find(sessions_.begin(), sessions_.end(), session) != sessions_.end());
std::vector<Session *>::iterator it;
it = std::find(sessions_.begin(), sessions_.end(), session);
if (it != sessions_.end())
(*it)->Terminate();
}
void Call::Terminate() {
// There may be more than one session to terminate
std::vector<Session *>::iterator it = sessions_.begin();
for (it = sessions_.begin(); it != sessions_.end(); it++)
TerminateSession(*it);
}
void Call::OnMessage(Message *message) {
switch (message->message_id) {
case MSG_CHECKAUTODESTROY:
// If no more sessions for this call, delete it
if (sessions_.size() == 0)
session_client_->DestroyCall(this);
break;
}
}
const std::vector<Session *> &Call::sessions() {
return sessions_;
}
void Call::AddSession(Session *session) {
// Add session to list, create voice channel for this session
sessions_.push_back(session);
session->SignalState.connect(this, &Call::OnSessionState);
session->SignalError.connect(this, &Call::OnSessionError);
VoiceChannel *channel = session_client_->channel_manager()->CreateVoiceChannel(session);
channel_map_[session->id()] = channel;
// If this call has the focus, enable this channel
if (session_client_->GetFocus() == this)
channel->Enable(true);
// Signal client
SignalAddSession(this, session);
}
void Call::RemoveSession(Session *session) {
// Remove session from list
std::vector<Session *>::iterator it_session;
it_session = std::find(sessions_.begin(), sessions_.end(), session);
if (it_session == sessions_.end())
return;
sessions_.erase(it_session);
// Destroy session channel
std::map<SessionID, VoiceChannel *>::iterator it_channel;
it_channel = channel_map_.find(session->id());
if (it_channel != channel_map_.end()) {
VoiceChannel *channel = it_channel->second;
channel_map_.erase(it_channel);
session_client_->channel_manager()->DestroyVoiceChannel(channel);
}
// Signal client
SignalRemoveSession(this, session);
// The call auto destroys when the lass session is removed
Thread::Current()->Post(this, MSG_CHECKAUTODESTROY);
}
VoiceChannel* Call::GetChannel(Session* session) {
std::map<SessionID, VoiceChannel *>::iterator it = channel_map_.find(session->id());
assert(it != channel_map_.end());
return it->second;
}
void Call::EnableChannels(bool enable) {
std::vector<Session *>::iterator it;
for (it = sessions_.begin(); it != sessions_.end(); it++) {
VoiceChannel *channel = channel_map_[(*it)->id()];
if (channel != NULL)
channel->Enable(enable);
}
}
void Call::Mute(bool mute) {
muted_ = mute;
std::vector<Session *>::iterator it;
for (it = sessions_.begin(); it != sessions_.end(); it++) {
VoiceChannel *channel = channel_map_[(*it)->id()];
if (channel != NULL)
channel->Mute(mute);
}
}
void Call::Join(Call *call, bool enable) {
while (call->sessions_.size() != 0) {
// Move session
Session *session = call->sessions_[0];
call->sessions_.erase(call->sessions_.begin());
sessions_.push_back(session);
session->SignalState.connect(this, &Call::OnSessionState);
session->SignalError.connect(this, &Call::OnSessionError);
// Move channel
std::map<SessionID, VoiceChannel *>::iterator it_channel;
it_channel = call->channel_map_.find(session->id());
if (it_channel != call->channel_map_.end()) {
VoiceChannel *channel = (*it_channel).second;
call->channel_map_.erase(it_channel);
channel_map_[session->id()] = channel;
channel->Enable(enable);
}
}
}
void Call::StartConnectionMonitor(Session *session, int cms) {
std::map<SessionID, VoiceChannel *>::iterator it_channel;
it_channel = channel_map_.find(session->id());
if (it_channel != channel_map_.end()) {
VoiceChannel *channel = (*it_channel).second;
channel->SignalConnectionMonitor.connect(this, &Call::OnConnectionMonitor);
channel->StartConnectionMonitor(cms);
}
}
void Call::StopConnectionMonitor(Session *session) {
std::map<SessionID, VoiceChannel *>::iterator it_channel;
it_channel = channel_map_.find(session->id());
if (it_channel != channel_map_.end()) {
VoiceChannel *channel = (*it_channel).second;
channel->StopConnectionMonitor();
channel->SignalConnectionMonitor.disconnect(this);
}
}
void Call::StartAudioMonitor(Session *session, int cms) {
std::map<SessionID, VoiceChannel *>::iterator it_channel;
it_channel = channel_map_.find(session->id());
if (it_channel != channel_map_.end()) {
VoiceChannel *channel = (*it_channel).second;
channel->SignalAudioMonitor.connect(this, &Call::OnAudioMonitor);
channel->StartAudioMonitor(cms);
}
}
void Call::StopAudioMonitor(Session *session) {
std::map<SessionID, VoiceChannel *>::iterator it_channel;
it_channel = channel_map_.find(session->id());
if (it_channel != channel_map_.end()) {
VoiceChannel *channel = (*it_channel).second;
channel->StopAudioMonitor();
channel->SignalAudioMonitor.disconnect(this);
}
}
void Call::OnConnectionMonitor(VoiceChannel *channel, const std::vector<ConnectionInfo> &infos) {
SignalConnectionMonitor(this, channel->session(), infos);
}
void Call::OnAudioMonitor(VoiceChannel *channel, const AudioInfo& info) {
SignalAudioMonitor(this, channel->session(), info);
}
uint32 Call::id() {
return id_;
}
void Call::OnSessionState(Session *session, Session::State state) {
SignalSessionState(this, session, state);
}
void Call::OnSessionError(Session *session, Session::Error error) {
SignalSessionError(this, session, error);
}
}
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