mirror of https://github.com/Icinga/icinga2.git
113 lines
3.5 KiB
C++
113 lines
3.5 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. *
|
|
******************************************************************************/
|
|
|
|
#include "i2-base.h"
|
|
|
|
using namespace icinga;
|
|
|
|
/**
|
|
* Creates a socket.
|
|
*
|
|
* @param family The socket family for the new socket.
|
|
*/
|
|
void TcpSocket::MakeSocket(int family)
|
|
{
|
|
assert(GetFD() == INVALID_SOCKET);
|
|
|
|
int fd = socket(family, SOCK_STREAM, 0);
|
|
|
|
if (fd == INVALID_SOCKET)
|
|
throw_exception(SocketException("socket() failed", GetLastSocketError()));
|
|
|
|
SetFD(fd);
|
|
}
|
|
|
|
/**
|
|
* Creates a socket and binds it to the specified service.
|
|
*
|
|
* @param service The service.
|
|
* @param family The address family for the socket.
|
|
*/
|
|
void TcpSocket::Bind(String service, int family)
|
|
{
|
|
Bind(String(), service, family);
|
|
}
|
|
|
|
/**
|
|
* Creates a socket and binds it to the specified node and service.
|
|
*
|
|
* @param node The node.
|
|
* @param service The service.
|
|
* @param family The address family for the socket.
|
|
*/
|
|
void TcpSocket::Bind(String node, String service, int family)
|
|
{
|
|
addrinfo hints;
|
|
addrinfo *result;
|
|
|
|
memset(&hints, 0, sizeof(hints));
|
|
hints.ai_family = family;
|
|
hints.ai_socktype = SOCK_STREAM;
|
|
hints.ai_protocol = IPPROTO_TCP;
|
|
hints.ai_flags = AI_PASSIVE;
|
|
|
|
if (getaddrinfo(node.IsEmpty() ? NULL : node.CStr(),
|
|
service.CStr(), &hints, &result) < 0)
|
|
throw_exception(SocketException("getaddrinfo() failed", GetLastSocketError()));
|
|
|
|
int fd = INVALID_SOCKET;
|
|
|
|
for (addrinfo *info = result; info != NULL; info = info->ai_next) {
|
|
fd = socket(info->ai_family, info->ai_socktype, info->ai_protocol);
|
|
|
|
if (fd == INVALID_SOCKET)
|
|
continue;
|
|
|
|
SetFD(fd);
|
|
|
|
const int optFalse = 0;
|
|
setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, (char *)&optFalse, sizeof(optFalse));
|
|
|
|
#ifndef _WIN32
|
|
const int optTrue = 1;
|
|
setsockopt(GetFD(), SOL_SOCKET, SO_REUSEADDR, (char *)&optTrue, sizeof(optTrue));
|
|
#endif /* _WIN32 */
|
|
|
|
int rc = bind(fd, info->ai_addr, info->ai_addrlen);
|
|
|
|
#ifdef _WIN32
|
|
if (rc < 0 && WSAGetLastError() != WSAEWOULDBLOCK) {
|
|
#else /* _WIN32 */
|
|
if (rc < 0 && errno != EINPROGRESS) {
|
|
#endif /* _WIN32 */
|
|
closesocket(fd);
|
|
SetFD(INVALID_SOCKET);
|
|
|
|
continue;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
freeaddrinfo(result);
|
|
|
|
if (fd == INVALID_SOCKET)
|
|
throw_exception(runtime_error("Could not create a suitable socket."));
|
|
}
|