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tdenetwork/kopete/protocols/jabber/jingle/libjingle/talk/examples/call/callclient.cc

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/*
* Jingle call example
* Copyright 2004--2005, Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA
*/
#include <string>
#include <vector>
#include "talk/xmpp/constants.h"
#include "talk/base/thread.h"
#include "talk/base/network.h"
#include "talk/base/socketaddress.h"
#include "talk/p2p/base/sessionmanager.h"
#include "talk/p2p/base/helpers.h"
#include "talk/p2p/client/basicportallocator.h"
#include "talk/session/receiver.h"
#include "talk/session/sessionsendtask.h"
#include "talk/session/phone/phonesessionclient.h"
#include "talk/examples/call/callclient.h"
#include "talk/examples/call/console.h"
#include "talk/examples/call/presencepushtask.h"
#include "talk/examples/call/presenceouttask.h"
namespace {
const char* CALL_COMMANDS =
"Available commands:\n"
"\n"
" hangup Ends the call.\n"
" mute Stops sending voice.\n"
" unmute Re-starts sending voice.\n"
"";
class CallTask: public ConsoleTask, public sigslot::has_slots<> {
public:
CallTask(CallClient* call_client, const buzz::Jid& jid, cricket::Call* call)
: call_client_(call_client), jid_(jid), call_(call) {
}
virtual ~CallTask() {}
virtual void Start() {
call_client_->phone_client()->SignalCallDestroy.connect(
this, &CallTask::OnCallDestroy);
if (!call_) {
call_ = call_client_->phone_client()->CreateCall();
call_->SignalSessionState.connect(this, &CallTask::OnSessionState);
session_ = call_->InitiateSession(jid_);
}
call_client_->phone_client()->SetFocus(call_);
}
virtual std::string GetPrompt() { return jid_.node(); }
virtual void ProcessLine(const std::string& line) {
std::vector<std::string> words;
ParseLine(line, &words);
if ((words.size() == 1) && (words[0] == "hangup")) {
call_->Terminate();
SignalDone(this);
} else if ((words.size() == 1) && (words[0] == "mute")) {
call_->Mute(true);
} else if ((words.size() == 1) && (words[0] == "unmute")) {
call_->Mute(false);
} else {
console()->Print(CALL_COMMANDS);
}
}
private:
CallClient* call_client_;
buzz::Jid jid_;
cricket::Call* call_;
cricket::Session* session_;
void OnCallDestroy(cricket::Call* call) {
if (call == call_) {
console()->Print("call destroyed");
SignalDone(this);
}
}
void OnSessionState(cricket::Call* call,
cricket::Session* session,
cricket::Session::State state) {
if (state == cricket::Session::STATE_SENTINITIATE) {
console()->Print("calling...");
} else if (state == cricket::Session::STATE_RECEIVEDACCEPT) {
console()->Print("call answered");
} else if (state == cricket::Session::STATE_RECEIVEDREJECT) {
console()->Print("call not answered");
SignalDone(this);
} else if (state == cricket::Session::STATE_INPROGRESS) {
console()->Print("call in progress");
} else if (state == cricket::Session::STATE_RECEIVEDTERMINATE) {
console()->Print("other side hung up");
SignalDone(this);
}
}
};
const char* RECEIVE_COMMANDS =
"Available commands:\n"
"\n"
" accept Accepts the incoming call and switches to it.\n"
" reject Rejects the incoming call and stays with the current call.\n"
"";
class ReceiveTask: public ConsoleTask {
public:
ReceiveTask(CallClient* call_client,
const buzz::Jid& jid,
cricket::Call* call)
: call_client_(call_client), jid_(jid), call_(call) {
}
virtual std::string GetPrompt() { return jid_.node(); }
virtual void ProcessLine(const std::string& line) {
std::vector<std::string> words;
ParseLine(line, &words);
if ((words.size() == 1) && (words[0] == "accept")) {
assert(call_->sessions().size() == 1);
call_->AcceptSession(call_->sessions()[0]);
Console()->Push(new CallTask(call_client_, jid_, call_));
SignalDone(this);
} else if ((words.size() == 1) && (words[0] == "reject")) {
call_->RejectSession(call_->sessions()[0]);
SignalDone(this);
} else {
console()->Print(RECEIVE_COMMANDS);
}
}
private:
CallClient* call_client_;
buzz::Jid jid_;
cricket::Call* call_;
};
const char* CONSOLE_COMMANDS =
"Available commands:\n"
"\n"
" roster Prints the online friends from your roster.\n"
" call <name> Initiates a call to the friend with the given name.\n"
" quit Quits the application.\n"
"";
class CallConsoleTask: public ConsoleTask {
public:
CallConsoleTask(CallClient* call_client) : call_client_(call_client) {}
virtual ~CallConsoleTask() {}
virtual std::string GetPrompt() { return "console"; }
virtual void ProcessLine(const std::string& line) {
std::vector<std::string> words;
ParseLine(line, &words);
if ((words.size() == 1) && (words[0] == "quit")) {
SignalDone(this);
} else if ((words.size() == 1) && (words[0] == "roster")) {
call_client_->PrintRoster();
} else if ((words.size() == 2) && (words[0] == "call")) {
call_client_->MakeCallTo(words[1]);
} else {
console()->Print(CONSOLE_COMMANDS);
}
}
private:
CallClient* call_client_;
};
const char* DescribeStatus(buzz::Status::Show show, const std::string& desc) {
switch (show) {
case buzz::Status::SHOW_XA: return desc.c_str();
case buzz::Status::SHOW_ONLINE: return "online";
case buzz::Status::SHOW_AWAY: return "away";
case buzz::Status::SHOW_DND: return "do not disturb";
case buzz::Status::SHOW_CHAT: return "ready to chat";
delault: return "offline";
}
}
} // namespace
CallClient::CallClient(buzz::XmppClient* xmpp_client)
: xmpp_client_(xmpp_client), roster_(new RosterMap) {
xmpp_client_->SignalStateChange.connect(this, &CallClient::OnStateChange);
Console()->Push(new CallConsoleTask(this));
}
CallClient::~CallClient() {
delete roster_;
}
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 (Confirm your GX cookie at mail.google.com)";
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";
}
}
void CallClient::OnStateChange(buzz::XmppEngine::State state) {
switch (state) {
case buzz::XmppEngine::STATE_START:
Console()->Print("connecting...");
break;
case buzz::XmppEngine::STATE_OPENING:
Console()->Print("logging in...");
break;
case buzz::XmppEngine::STATE_OPEN:
Console()->Print("logged in...");
InitPhone();
InitPresence();
break;
case buzz::XmppEngine::STATE_CLOSED:
buzz::XmppEngine::Error error = xmpp_client_->GetError();
Console()->Print("logged out..." + strerror(error));
exit(0);
}
}
void CallClient::InitPhone() {
std::string client_unique = xmpp_client_->jid().Str();
cricket::InitRandom(client_unique.c_str(), client_unique.size());
worker_thread_ = new cricket::Thread();
network_manager_ = new cricket::NetworkManager();
cricket::SocketAddress *stun_addr = new cricket::SocketAddress("64.233.167.126", 19302);
port_allocator_ = new cricket::BasicPortAllocator(network_manager_, stun_addr, NULL);
session_manager_ = new cricket::SessionManager(
port_allocator_, worker_thread_);
session_manager_->SignalRequestSignaling.connect(
this, &CallClient::OnRequestSignaling);
session_manager_->OnSignalingReady();
phone_client_ = new cricket::PhoneSessionClient(
xmpp_client_->jid(),session_manager_);
phone_client_->SignalCallCreate.connect(this, &CallClient::OnCallCreate);
phone_client_->SignalSendStanza.connect(this, &CallClient::OnSendStanza);
receiver_ = new cricket::Receiver(xmpp_client_, phone_client_);
receiver_->Start();
worker_thread_->Start();
}
void CallClient::OnRequestSignaling() {
session_manager_->OnSignalingReady();
}
void CallClient::OnCallCreate(cricket::Call* call) {
call->SignalSessionState.connect(this, &CallClient::OnSessionState);
}
void CallClient::OnSessionState(cricket::Call* call,
cricket::Session* session,
cricket::Session::State state) {
if (state == cricket::Session::STATE_RECEIVEDINITIATE) {
buzz::Jid jid(session->remote_address());
Console()->Printf("Incoming call from '%s'", jid.Str().c_str());
Console()->Push(new ReceiveTask(this, jid, call));
}
}
void CallClient::OnSendStanza(cricket::SessionClient *client, const buzz::XmlElement* stanza) {
cricket::SessionSendTask* sender =
new cricket::SessionSendTask(xmpp_client_, phone_client_);
sender->Send(stanza);
sender->Start();
}
void CallClient::InitPresence() {
presence_push_ = new buzz::PresencePushTask(xmpp_client_);
presence_push_->SignalStatusUpdate.connect(
this, &CallClient::OnStatusUpdate);
presence_push_->Start();
buzz::Status my_status;
my_status.set_jid(xmpp_client_->jid());
my_status.set_available(true);
my_status.set_invisible(false);
my_status.set_show(buzz::Status::SHOW_ONLINE);
my_status.set_priority(0);
my_status.set_know_capabilities(true);
my_status.set_phone_capability(true);
my_status.set_is_google_client(true);
my_status.set_version("1.0.0.66");
buzz::PresenceOutTask* presence_out_ =
new buzz::PresenceOutTask(xmpp_client_);
presence_out_->Send(my_status);
presence_out_->Start();
}
void CallClient::OnStatusUpdate(const buzz::Status& 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.phone_capability()) {
Console()->Printf("Adding to roster: %s", key.c_str());
(*roster_)[key] = item;
} else {
Console()->Printf("Removing from roster: %s", key.c_str());
RosterMap::iterator iter = roster_->find(key);
if (iter != roster_->end())
roster_->erase(iter);
}
}
void CallClient::PrintRoster() {
Console()->Printf("Roster contains %d callable", roster_->size());
RosterMap::iterator iter = roster_->begin();
while (iter != roster_->end()) {
Console()->Printf("%s - %s",
iter->second.jid.BareJid().Str().c_str(),
DescribeStatus(iter->second.show, iter->second.status));
iter++;
}
}
void CallClient::MakeCallTo(const std::string& name) {
bool found = false;
buzz::Jid found_jid;
RosterMap::iterator iter = roster_->begin();
while (iter != roster_->end()) {
if (iter->second.jid.node() == name) {
found = true;
found_jid = iter->second.jid;
break;
}
++iter;
}
if (found) {
Console()->Printf("Found online friend '%s'", found_jid.Str().c_str());
Console()->Push(new CallTask(this, found_jid, NULL));
} else {
Console()->Printf("Could not find online friend '%s'", name.c_str());
}
}
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