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/*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* SocketHelper.cpp
* Various functions to operate on sockets.
* Copyright (C) 2013 Simon Newton
*/
#include <errno.h>
#include <string.h>
#ifdef _WIN32
#include <Ws2tcpip.h>
#endif // _WIN32
#include <ola/Logging.h>
#include <ola/network/SocketAddress.h>
#include "common/network/SocketHelper.h"
namespace ola {
namespace network {
/**
* Wrapper around getsockname().
* The caller should check IsValid() on the GenericSocketAddress before using.
*/
GenericSocketAddress GetLocalAddress(int sd) {
struct sockaddr remote_address;
socklen_t length = sizeof(remote_address);
int r = getsockname(sd, &remote_address, &length);
if (r) {
OLA_WARN << "Failed to get peer information for fd: " << sd << ", "
<< strerror(errno);
return GenericSocketAddress();
}
return GenericSocketAddress(remote_address);
}
/**
* Wrapper around getpeername().
* The caller should check IsValid() on the GenericSocketAddress before using.
*/
GenericSocketAddress GetPeerAddress(int sd) {
struct sockaddr remote_address;
socklen_t length = sizeof(remote_address);
int r = getpeername(sd, &remote_address, &length);
if (r) {
OLA_WARN << "Failed to get peer information for fd: " << sd << ", "
<< strerror(errno);
return GenericSocketAddress();
}
return GenericSocketAddress(remote_address);
}
} // namespace network
} // namespace ola
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