mirror of
https://github.com/VCMP-SqMod/SqMod.git
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4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
115 lines
2.5 KiB
C++
115 lines
2.5 KiB
C++
//
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// SocketNotifier.h
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//
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// Library: Net
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// Package: Reactor
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// Module: SocketNotifier
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//
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// Definition of the SocketNotifier class.
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//
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// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef Net_SocketNotifier_INCLUDED
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#define Net_SocketNotifier_INCLUDED
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#include "Poco/Net/Net.h"
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#include "Poco/Net/Socket.h"
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#include "Poco/RefCountedObject.h"
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#include "Poco/NotificationCenter.h"
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#include "Poco/Observer.h"
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#include <set>
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namespace Poco {
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namespace Net {
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class Socket;
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class SocketReactor;
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class SocketNotification;
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class Net_API SocketNotifier: public Poco::RefCountedObject
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/// This class is used internally by SocketReactor
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/// to notify registered event handlers of socket events.
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{
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public:
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explicit SocketNotifier(const Socket& socket);
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/// Creates the SocketNotifier for the given socket.
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void addObserver(SocketReactor* pReactor, const Poco::AbstractObserver& observer);
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/// Adds the given observer.
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void removeObserver(SocketReactor* pReactor, const Poco::AbstractObserver& observer);
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/// Removes the given observer.
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bool hasObserver(const Poco::AbstractObserver& observer) const;
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/// Returns true if the given observer is registered.
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bool accepts(SocketNotification* pNotification);
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/// Returns true if there is at least one observer for the given notification.
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void dispatch(SocketNotification* pNotification);
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/// Dispatches the notification to all observers.
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bool hasObservers() const;
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/// Returns true if there are subscribers.
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std::size_t countObservers() const;
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/// Returns the number of subscribers;
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protected:
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~SocketNotifier();
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/// Destroys the SocketNotifier.
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private:
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typedef std::multiset<SocketNotification*> EventSet;
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typedef Poco::FastMutex MutexType;
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typedef MutexType::ScopedLock ScopedLock;
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EventSet _events;
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Poco::NotificationCenter _nc;
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Socket _socket;
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MutexType _mutex;
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};
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//
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// inlines
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//
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inline bool SocketNotifier::accepts(SocketNotification* pNotification)
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{
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ScopedLock l(_mutex);
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return _events.find(pNotification) != _events.end();
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}
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inline bool SocketNotifier::hasObserver(const Poco::AbstractObserver& observer) const
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{
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return _nc.hasObserver(observer);
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}
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inline bool SocketNotifier::hasObservers() const
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{
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return _nc.hasObservers();
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}
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inline std::size_t SocketNotifier::countObservers() const
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{
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return _nc.countObservers();
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}
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} } // namespace Poco::Net
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#endif // Net_SocketNotifier_INCLUDED
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