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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2015 Laurent Gomila (laurent@sfml-dev.org)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Network/Socket.hpp>
#include <SFML/Network/SocketImpl.hpp>
#include <SFML/System/Err.hpp>
namespace sf
{
////////////////////////////////////////////////////////////
Socket::Socket(Type type) :
m_type (type),
m_socket (priv::SocketImpl::invalidSocket()),
m_isBlocking(true)
{
}
////////////////////////////////////////////////////////////
Socket::~Socket()
{
// Close the socket before it gets destructed
close();
}
////////////////////////////////////////////////////////////
void Socket::setBlocking(bool blocking)
{
// Apply if the socket is already created
if (m_socket != priv::SocketImpl::invalidSocket())
priv::SocketImpl::setBlocking(m_socket, blocking);
m_isBlocking = blocking;
}
////////////////////////////////////////////////////////////
bool Socket::isBlocking() const
{
return m_isBlocking;
}
////////////////////////////////////////////////////////////
SocketHandle Socket::getHandle() const
{
return m_socket;
}
////////////////////////////////////////////////////////////
void Socket::create()
{
// Don't create the socket if it already exists
if (m_socket == priv::SocketImpl::invalidSocket())
{
SocketHandle handle = socket(PF_INET, m_type == Tcp ? SOCK_STREAM : SOCK_DGRAM, 0);
create(handle);
}
}
////////////////////////////////////////////////////////////
void Socket::create(SocketHandle handle)
{
// Don't create the socket if it already exists
if (m_socket == priv::SocketImpl::invalidSocket())
{
// Assign the new handle
m_socket = handle;
// Set the current blocking state
setBlocking(m_isBlocking);
if (m_type == Tcp)
{
// Disable the Nagle algorithm (i.e. removes buffering of TCP packets)
int yes = 1;
if (setsockopt(m_socket, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast<char*>(&yes), sizeof(yes)) == -1)
{
err() << "Failed to set socket option \"TCP_NODELAY\" ; "
<< "all your TCP packets will be buffered" << std::endl;
}
// On Mac OS X, disable the SIGPIPE signal on disconnection
#ifdef SFML_SYSTEM_MACOS
if (setsockopt(m_socket, SOL_SOCKET, SO_NOSIGPIPE, reinterpret_cast<char*>(&yes), sizeof(yes)) == -1)
{
err() << "Failed to set socket option \"SO_NOSIGPIPE\"" << std::endl;
}
#endif
}
else
{
// Enable broadcast by default for UDP sockets
int yes = 1;
if (setsockopt(m_socket, SOL_SOCKET, SO_BROADCAST, reinterpret_cast<char*>(&yes), sizeof(yes)) == -1)
{
err() << "Failed to enable broadcast on UDP socket" << std::endl;
}
}
}
}
////////////////////////////////////////////////////////////
void Socket::close()
{
// Close the socket
if (m_socket != priv::SocketImpl::invalidSocket())
{
priv::SocketImpl::close(m_socket);
m_socket = priv::SocketImpl::invalidSocket();
}
}
} // namespace sf
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