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#pragma once
/*
* Copyright (C) 2005-2013 Team XBMC
* http://xbmc.org
*
* 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, 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 XBMC; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#include "system.h"
#ifdef HAS_AVAHI
#include <memory>
#include <map>
#include <vector>
#include <string>
#include "network/Zeroconf.h"
#include <boost/shared_ptr.hpp>
#include <avahi-client/client.h>
#include <avahi-client/publish.h>
#include <avahi-common/defs.h>
struct AvahiThreadedPoll;
class CZeroconfAvahi : public CZeroconf
{
public:
CZeroconfAvahi();
~CZeroconfAvahi();
protected:
//implement base CZeroConf interface
virtual bool doPublishService(const std::string& fcr_identifier,
const std::string& fcr_type,
const std::string& fcr_name,
unsigned int f_port,
const std::vector<std::pair<std::string, std::string> >& txt);
virtual bool doRemoveService(const std::string& fcr_ident);
virtual void doStop();
private:
///this is where the client calls us if state changes
static void clientCallback(AvahiClient* fp_client, AvahiClientState f_state, void*);
///here we get notified of group changes
static void groupCallback(AvahiEntryGroup *fp_group, AvahiEntryGroupState f_state, void *);
//shutdown callback; works around a problem in avahi < 0.6.24 see destructor for details
static void shutdownCallback(AvahiTimeout *fp_e, void *);
///creates the avahi client;
///@return true on success
bool createClient();
//don't access stuff below without stopping the client thread
//see http://avahi.org/wiki/RunningAvahiClientAsThread
//and use struct ScopedEventLoopBlock
//helper struct for holding information about creating a service / AvahiEntryGroup
//we have to hold that as it's needed to recreate the service
class ServiceInfo;
typedef std::map<std::string, boost::shared_ptr<ServiceInfo> > tServiceMap;
//goes through a list of todos and publishs them (takes the client a param, as it might be called from
// from the callbacks)
void updateServices(AvahiClient* fp_client);
//helper that actually does the work of publishing
void addService(tServiceMap::mapped_type fp_service_info, AvahiClient* fp_client);
AvahiClient* mp_client;
AvahiThreadedPoll* mp_poll;
//this holds all published and unpublished services including info on howto create them
tServiceMap m_services;
//2 variables below are needed for workaround of avahi bug (see destructor for details)
bool m_shutdown;
pthread_t m_thread_id;
};
#endif // HAS_AVAHI
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