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/*
* libfritz++
*
* Copyright (C) 2007-2012 Joachim Wilke <libfritz@joachim-wilke.de>
*
* 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 02110-1301, USA.
*
*/
#include "Listener.h"
#include <cstdlib>
#include <sstream>
#include <future>
#include <chrono>
#include "CallList.h"
#include "Config.h"
#include "FonbookManager.h"
#include "Tools.h"
#include <libnet++/TcpClient.h>
#include <liblog++/Log.h>
namespace fritz{
Listener *Listener::me = nullptr;
Listener::Listener(EventHandler *event)
{
this->event = event;
thread = new std::thread(&Listener::run, this);
}
Listener::~Listener()
{
if (thread) {
cancelThread();
thread->join();
delete thread;
}
}
void Listener::cancelThread() {
cancelRequested = true;
if (tcpClientPtr)
tcpClientPtr->expireStreamNow();
}
void Listener::CreateListener(EventHandler *event) {
EventHandler *oldEvent = me ? me->event : nullptr;
DeleteListener();
if (event || oldEvent)
me = new Listener(event ? event : oldEvent);
else
ERR("Invalid call parameter. First call to CreateListener needs event handler object.");
}
void Listener::DeleteListener() {
if (me) {
DBG("deleting listener");
delete me;
me = nullptr;
}
}
void Listener::handleNewCall(bool outgoing, int connId, std::string remoteNumber, std::string localParty, std::string medium) {
if ( Tools::MatchesMsnFilter(localParty) ) {
// do reverse lookup
Fonbook::sResolveResult result = FonbookManager::GetFonbook()->resolveToName(remoteNumber);
// resolve SIP names
std::string mediumName;
if (medium.find("SIP") != std::string::npos &&
gConfig->getSipNames().size() > (size_t)atoi(&medium[3]))
mediumName = gConfig->getSipNames()[atoi(&medium[3])];
else
mediumName = medium;
// notify application
if (event) event->handleCall(outgoing, connId, remoteNumber, result.name, result.type, localParty, medium, mediumName);
activeConnections.push_back(connId);
}
}
void Listener::handleConnect(int connId) {
// only notify application if this connection is part of activeConnections
bool notify = false;
for (std::vector<int>::iterator it = activeConnections.begin(); it < activeConnections.end(); ++it) {
if (*it == connId) {
notify = true;
break;
}
}
if (notify)
if (event) event->handleConnect(connId);
}
void Listener::handleDisconnect(int connId, std::string duration) {
// only notify application if this connection is part of activeConnections
bool notify = false;
for (std::vector<int>::iterator it = activeConnections.begin(); it < activeConnections.end(); ++it) {
if (*it == connId) {
activeConnections.erase(it);
notify = true;
break;
}
}
if (notify) {
if (event) event->handleDisconnect(connId, duration);
// force reload of callList
CallList *callList = CallList::GetCallList(false);
if (callList)
callList->reload();
}
}
void Listener::run() {
DBG("Listener thread started");
unsigned int retry_delay = RETRY_DELAY / 2;
while (!cancelRequested) {
try {
retry_delay = retry_delay > 1800 ? 3600 : retry_delay * 2;
network::TcpClient tcpClient(gConfig->getUrl(), gConfig->getListenerPort());
tcpClientPtr = &tcpClient;
while (!cancelRequested) {
DBG("Waiting for a message.");
std::string line = tcpClient.readLine();
if (cancelRequested)
break;
if (gConfig->logPersonalInfo())
DBG("Got message " << line);
// split line into tokens
std::string date = Tools::Tokenize(line, ';', 0);
std::string type = Tools::Tokenize(line, ';', 1);
int connId = atoi(Tools::Tokenize(line, ';', 2).c_str());
std::string partA = Tools::Tokenize(line, ';', 3);
std::string partB = Tools::Tokenize(line, ';', 4);
std::string partC = Tools::Tokenize(line, ';', 5);
std::string partD = Tools::Tokenize(line, ';', 6);
#if 0 // some strings sent from the FB, made available to xgettext
I18N_NOOP("POTS");
I18N_NOOP("ISDN");
#endif
if (type.compare("CALL") == 0) {
// partA => box port
// partB => caller Id (local)
// partC => called Id (remote)
// partD => medium (POTS, SIP[1-9], ISDN, ...)
DBG("CALL " << ", " << partA
<< ", " << (gConfig->logPersonalInfo() ? partB : HIDDEN)
<< ", " << (gConfig->logPersonalInfo() ? partC : HIDDEN)
<< ", " << partD);
// an '#' can be appended to outgoing calls by the phone, so delete it
if (partC[partC.length()-1] == '#')
partC = partC.substr(0, partC.length()-1);
handleNewCall(true, connId, partC, partB, partD);
} else if (type.compare("RING") == 0) {
// partA => caller Id (remote)
// partB => called Id (local)
// partC => medium (POTS, SIP[1-9], ISDN, ...)
DBG("RING " << ", " << (gConfig->logPersonalInfo() ? partA : HIDDEN)
<< ", " << (gConfig->logPersonalInfo() ? partB : HIDDEN)
<< ", " << partC);
handleNewCall(false, connId, partA, partB, partC);
} else if (type.compare("CONNECT") == 0) {
// partA => box port
// partB => local/remote Id
DBG("CONNECT " << ", " << partA
<< ", " << (gConfig->logPersonalInfo() ? partB : HIDDEN));
handleConnect(connId);
} else if (type.compare("DISCONNECT") == 0) {
// partA => call duration
DBG("DISCONNECT " << ", " << partA );
handleDisconnect(connId, partA);
} else {
DBG("Got unknown message " << line);
throw this;
}
retry_delay = RETRY_DELAY;
}
} catch(std::runtime_error &re) {
ERR("Exception - " << re.what());
// TODO: Detect reason for exception
//if (se.getSocketError() == ost::Socket::errConnectRefused)
ERR("Make sure to enable the Fritz!Box call monitor by dialing #96*5* once.");
} catch (Listener *listener) {
ERR("Exception unknown data received.");
}
tcpClientPtr = nullptr;
if (cancelRequested)
break;
ERR("waiting " << retry_delay << " seconds before retrying");
unsigned int retry_delay_counter = retry_delay;
while (--retry_delay_counter && !cancelRequested) // delay the retry
std::this_thread::sleep_for(std::chrono::seconds(1));
}
DBG("Listener thread ended");
}
}
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