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