mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2024-11-08 08:47:17 +01:00
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.
93 lines
1.9 KiB
C++
93 lines
1.9 KiB
C++
//
|
|
// PollSet.h
|
|
//
|
|
// Library: Net
|
|
// Package: Sockets
|
|
// Module: PollSet
|
|
//
|
|
// Definition of the PollSet class.
|
|
//
|
|
// Copyright (c) 2016, Applied Informatics Software Engineering GmbH.
|
|
// All rights reserved.
|
|
//
|
|
// SPDX-License-Identifier: BSL-1.0
|
|
//
|
|
|
|
|
|
#ifndef Net_PollSet_INCLUDED
|
|
#define Net_PollSet_INCLUDED
|
|
|
|
|
|
#include "Poco/Net/Socket.h"
|
|
#include <map>
|
|
|
|
|
|
namespace Poco {
|
|
namespace Net {
|
|
|
|
|
|
class PollSetImpl;
|
|
|
|
|
|
class Net_API PollSet
|
|
/// A set of sockets that can be efficiently polled as a whole.
|
|
///
|
|
/// If supported, PollSet is implemented using epoll (Linux) or
|
|
/// poll (BSD) APIs. A fallback implementation using select()
|
|
/// is also provided.
|
|
{
|
|
public:
|
|
enum Mode
|
|
{
|
|
POLL_READ = 0x01,
|
|
POLL_WRITE = 0x02,
|
|
POLL_ERROR = 0x04
|
|
};
|
|
|
|
using SocketModeMap = std::map<Poco::Net::Socket, int>;
|
|
|
|
PollSet();
|
|
/// Creates an empty PollSet.
|
|
|
|
~PollSet();
|
|
/// Destroys the PollSet.
|
|
|
|
void add(const Poco::Net::Socket& socket, int mode);
|
|
/// Adds the given socket to the set, for polling with
|
|
/// the given mode, which can be an OR'd combination of
|
|
/// POLL_READ, POLL_WRITE and POLL_ERROR.
|
|
|
|
void remove(const Poco::Net::Socket& socket);
|
|
/// Removes the given socket from the set.
|
|
|
|
void update(const Poco::Net::Socket& socket, int mode);
|
|
/// Updates the mode of the given socket.
|
|
|
|
bool has(const Socket& socket) const;
|
|
/// Returns true if socket is registered for polling.
|
|
|
|
bool empty() const;
|
|
/// Returns true if no socket is registered for polling.
|
|
|
|
void clear();
|
|
/// Removes all sockets from the PollSet.
|
|
|
|
SocketModeMap poll(const Poco::Timespan& timeout);
|
|
/// Waits until the state of at least one of the PollSet's sockets
|
|
/// changes accordingly to its mode, or the timeout expires.
|
|
/// Returns a PollMap containing the sockets that have had
|
|
/// their state changed.
|
|
|
|
private:
|
|
PollSetImpl* _pImpl;
|
|
|
|
PollSet(const PollSet&);
|
|
PollSet& operator = (const PollSet&);
|
|
};
|
|
|
|
|
|
} } // namespace Poco::Net
|
|
|
|
|
|
#endif // Net_PollSet_INCLUDED
|