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/*
* Copyright (c) 2002-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __SOCKET_HH__
#define __SOCKET_HH__
#include <sys/socket.h>
#include <sys/types.h>
namespace gem5
{
class ListenSocket
{
protected:
/**
* The following variables are only used by socket unit tests:
* listeningDisabled, anyListening, bindToLoopback.
*/
static bool listeningDisabled;
static bool anyListening;
static bool bindToLoopback;
public:
static void disableAll();
static bool allDisabled();
static void loopbackOnly();
protected:
bool listening;
int fd;
/*
* cleanup resets the static variables back to their default values.
*/
static void cleanup();
private:
/* Create a socket, adding SOCK_CLOEXEC if available. */
static int socketCloexec(int domain, int type, int protocol);
/* Accept a connection, adding SOCK_CLOEXEC if available. */
static int acceptCloexec(int sockfd, struct sockaddr *addr,
socklen_t *addrlen);
public:
/**
* @ingroup api_socket
* @{
*/
ListenSocket();
virtual ~ListenSocket();
virtual int accept(bool nodelay = false);
virtual bool listen(int port, bool reuse = true);
int getfd() const { return fd; }
bool islistening() const { return listening; }
/** @} */ // end of api_socket
};
} // namespace gem5
#endif //__SOCKET_HH__