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https://gitlab.uni-freiburg.de/opensourcevdi/spice
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95 lines
2.2 KiB
C++
95 lines
2.2 KiB
C++
/*
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Copyright (C) 2009 Red Hat, Inc.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _H_EVENT_SOURCES
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#define _H_EVENT_SOURCES
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#include "common.h"
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#include "event_sources_p.h"
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class EventSource;
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// TODO: the class is not thread safe
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class EventSources: public EventSources_p {
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public:
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class Trigger;
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class Socket;
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class File;
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class Handle;
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EventSources();
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virtual ~EventSources();
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void add_trigger(Trigger& trigger);
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void remove_trigger(Trigger& trigger);
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void add_socket(Socket& socket);
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void remove_socket(Socket& socket);
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void add_file(File& file);
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void remove_file(File& file);
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void add_handle(Handle& handle);
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void remove_handle(Handle& handle);
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/* return true if the events loop should quit */
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bool wait_events(int timeout_ms = INFINITE);
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};
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class EventSource {
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public:
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virtual ~EventSource() {}
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virtual void on_event() = 0;
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private:
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virtual void action() {on_event();}
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friend class EventSources;
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};
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class EventSources::Trigger: public EventSource, private Trigger_p {
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public:
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Trigger();
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virtual ~Trigger();
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virtual void trigger();
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virtual void reset();
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private:
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virtual void action();
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friend class EventSources;
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};
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class EventSources::Socket: public EventSource {
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protected:
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virtual int get_socket() = 0;
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friend class EventSources;
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};
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class EventSources::File: public EventSource {
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protected:
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virtual int get_fd() = 0;
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friend class EventSources;
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};
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class EventSources::Handle: public EventSource, public Handle_p {
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friend class EventSources;
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};
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#endif
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