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/*
* Copyright (C) 2007 Tommi Maekitalo
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef TNT_POLLERIMPL_H
#define TNT_POLLERIMPL_H
#include <config.h>
#include "tnt/job.h"
#include "tnt/poller.h"
#include <cxxtools/mutex.h>
#include <cxxtools/posix/pipe.h>
#if defined(HAVE_EPOLL_CREATE) || defined(HAVE_EPOLL_CREATE1)
# define WITH_EPOLL
# include <map>
#else
# include <deque>
# include <vector>
# include <sys/poll.h>
#endif
namespace tnt
{
/// @cond internal
class PollerImpl : public PollerIf
{
private:
Jobqueue& _queue;
cxxtools::posix::Pipe _notifyPipe;
cxxtools::Mutex _mutex;
#ifdef WITH_EPOLL
int _pollFd;
typedef std::map<int, Jobqueue::JobPtr> jobs_type;
typedef std::vector<Jobqueue::JobPtr> new_jobs_type;
jobs_type _jobs;
new_jobs_type _newJobs;
int _pollTimeout;
void addFd(int fd);
bool removeFd(int fd);
void appendNewJobs();
#else
typedef std::deque<Jobqueue::JobPtr> jobs_type;
typedef std::vector<pollfd> pollfds_type;
jobs_type _currentJobs;
pollfds_type _pollfds;
jobs_type _newJobs;
int _pollTimeout;
void appendNewJobs();
void append(Jobqueue::JobPtr& job);
void dispatch();
void remove(jobs_type::size_type n);
#endif // #else WITH_EPOLL
public:
PollerImpl(Jobqueue& q);
#ifdef WITH_EPOLL
~PollerImpl();
#endif
virtual void run();
void doStop();
void addIdleJob(Jobqueue::JobPtr& job);
};
/// @endcond internal
}
#endif // TNT_POLLER_H
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