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/*
Copyright (C) 2009 Red Hat, Inc.
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.
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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _H_EVENT_SOURCES
#define _H_EVENT_SOURCES
#include "common.h"
#include "event_sources_p.h"
class EventSource;
// TODO: the class is not thread safe
class EventSources: public EventSources_p {
public:
class Trigger;
class Socket;
class File;
class Handle;
EventSources();
virtual ~EventSources();
void add_trigger(Trigger& trigger);
void remove_trigger(Trigger& trigger);
void add_socket(Socket& socket);
void remove_socket(Socket& socket);
void add_file(File& file);
void remove_file(File& file);
void add_handle(Handle& handle);
void remove_handle(Handle& handle);
/* return true if the events loop should quit */
bool wait_events(int timeout_ms = INFINITE);
};
class EventSource {
public:
virtual ~EventSource() {}
virtual void on_event() = 0;
private:
virtual void action() {on_event();}
friend class EventSources;
};
class EventSources::Trigger: public EventSource, private Trigger_p {
public:
Trigger();
virtual ~Trigger();
virtual void trigger();
virtual void reset();
private:
virtual void action();
friend class EventSources;
};
class EventSources::Socket: public EventSource {
protected:
virtual int get_socket() = 0;
friend class EventSources;
};
class EventSources::File: public EventSource {
protected:
virtual int get_fd() = 0;
friend class EventSources;
};
class EventSources::Handle: public EventSource, public Handle_p {
friend class EventSources;
};
#endif
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