icinga2/lib/base/socket.h

124 lines
3.4 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#ifndef SOCKET_H
#define SOCKET_H
namespace icinga {
/**
* Base class for connection-oriented sockets.
*
* @ingroup base
*/
class I2_BASE_API Socket : public Stream
{
public:
typedef shared_ptr<Socket> Ptr;
typedef weak_ptr<Socket> WeakPtr;
~Socket(void);
virtual void Start(void);
virtual void Close(void);
String GetClientAddress(void);
String GetPeerAddress(void);
bool IsConnected(void) const;
virtual size_t GetAvailableBytes(void) const;
virtual size_t Read(void *buffer, size_t size);
virtual size_t Peek(void *buffer, size_t size);
virtual void Write(const void *buffer, size_t size);
void Listen(void);
signals2::signal<void (const Socket::Ptr&, const Socket::Ptr&)> OnNewClient;
protected:
Socket(void);
void SetFD(SOCKET fd);
SOCKET GetFD(void) const;
void SetConnected(bool connected);
int GetError(void) const;
static int GetLastSocketError(void);
mutable boost::mutex m_SocketMutex;
private:
SOCKET m_FD; /**< The socket descriptor. */
bool m_Connected;
bool m_Listening;
thread m_ReadThread;
thread m_WriteThread;
condition_variable m_WriteCV;
void ReadThreadProc(void);
void WriteThreadProc(void);
void ExceptionEventHandler(void);
static String GetAddressFromSockaddr(sockaddr *address, socklen_t len);
mutable boost::mutex m_QueueMutex;
FIFO::Ptr m_SendQueue;
FIFO::Ptr m_RecvQueue;
void HandleWritableClient(void);
void HandleReadableClient(void);
void HandleWritableServer(void);
void HandleReadableServer(void);
void HandleReadable(void);
void HandleWritable(void);
void HandleException(void);
bool WantsToWriteClient(void) const;
bool WantsToReadClient(void) const;
bool WantsToWriteServer(void) const;
bool WantsToReadServer(void) const;
bool WantsToWrite(void) const;
bool WantsToRead(void) const;
void CloseUnlocked(void);
};
/**
* A socket exception.
*/
class SocketException : public Exception
{
public:
SocketException(const String& message, int errorCode);
};
}
#endif /* SOCKET_H */