topical media & game development
lib-of-vs-libs-Poco-include-Poco-Net-SocketNotifier.h / h
//
// SocketNotifier.h
//
//
//
// Library: Net
// Package: Reactor
// Module: SocketNotifier
//
// Definition of the SocketNotifier class.
//
// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
ifndef Net_SocketNotifier_INCLUDED
define Net_SocketNotifier_INCLUDED
include "Poco/Net/Net.h"
include "Poco/Net/Socket.h"
include "Poco/RefCountedObject.h"
include "Poco/NotificationCenter.h"
include "Poco/Observer.h"
include <set>
namespace Poco {
namespace Net {
class Socket;
class SocketReactor;
class SocketNotification;
class Net_API SocketNotifier: public Poco::RefCountedObject
This class is used internally by SocketReactor
to notify registered event handlers of socket events.
{
public:
SocketNotifier(const Socket& socket);
Creates the SocketNotifier for the given socket.
void addObserver(SocketReactor* pReactor, const Poco::AbstractObserver& observer);
Adds the given observer.
void removeObserver(SocketReactor* pReactor, const Poco::AbstractObserver& observer);
Removes the given observer.
bool accepts(SocketNotification* pNotification);
Returns true if there is at least one observer for the given notification.
void dispatch(SocketNotification* pNotification);
Dispatches the notification to all observers.
bool hasObservers() const;
Returns true if there are subscribers.
protected:
~SocketNotifier();
Destroys the SocketNotifier.
private:
typedef std::multiset<SocketNotification*> EventSet;
EventSet _events;
Poco::NotificationCenter _nc;
Socket _socket;
};
//
// inlines
//
inline bool SocketNotifier::accepts(SocketNotification* pNotification)
{
return _events.find(pNotification) != _events.end();
}
inline bool SocketNotifier::hasObservers() const
{
return _nc.hasObservers();
}
} } // namespace Poco::Net
endif // Net_SocketNotifier_INCLUDED
(C) Æliens
04/09/2009
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