mirror of https://github.com/Icinga/icinga2.git
122 lines
3.5 KiB
C++
122 lines
3.5 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "i2-base.h"
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using namespace icinga;
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/**
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* Creates a socket.
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*
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* @param family The socket family for the new socket.
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*/
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void TcpSocket::MakeSocket(int family)
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{
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assert(GetFD() == INVALID_SOCKET);
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int fd = socket(family, SOCK_STREAM, 0);
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if (fd == INVALID_SOCKET) {
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HandleSocketError(SocketException(
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"socket() failed", GetLastSocketError()));
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return;
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}
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SetFD(fd);
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}
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/**
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* Creates a socket and binds it to the specified service.
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*
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* @param service The service.
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* @param family The address family for the socket.
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*/
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void TcpSocket::Bind(string service, int family)
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{
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Bind(string(), service, family);
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}
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/**
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* Creates a socket and binds it to the specified node and service.
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*
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* @param node The node.
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* @param service The service.
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* @param family The address family for the socket.
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*/
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void TcpSocket::Bind(string node, string service, int family)
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{
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addrinfo hints;
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addrinfo *result;
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memset(&hints, 0, sizeof(hints));
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hints.ai_family = family;
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hints.ai_socktype = SOCK_STREAM;
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hints.ai_protocol = IPPROTO_TCP;
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hints.ai_flags = AI_PASSIVE;
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if (getaddrinfo(node.empty() ? NULL : node.c_str(),
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service.c_str(), &hints, &result) < 0) {
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HandleSocketError(SocketException(
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"getaddrinfo() failed", GetLastSocketError()));
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return;
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}
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int fd = INVALID_SOCKET;
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for (addrinfo *info = result; info != NULL; info = info->ai_next) {
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fd = socket(info->ai_family, info->ai_socktype, info->ai_protocol);
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if (fd == INVALID_SOCKET)
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continue;
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SetFD(fd);
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const int optFalse = 0;
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setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, (char *)&optFalse, sizeof(optFalse));
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#ifndef _WIN32
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const int optTrue = 1;
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setsockopt(GetFD(), SOL_SOCKET, SO_REUSEADDR, (char *)&optTrue, sizeof(optTrue));
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#endif /* _WIN32 */
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int rc = bind(fd, info->ai_addr, info->ai_addrlen);
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#ifdef _WIN32
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if (rc < 0 && WSAGetLastError() != WSAEWOULDBLOCK) {
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#else /* _WIN32 */
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if (rc < 0 && errno != EINPROGRESS) {
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#endif /* _WIN32 */
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closesocket(fd);
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SetFD(INVALID_SOCKET);
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continue;
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}
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break;
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}
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freeaddrinfo(result);
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if (fd == INVALID_SOCKET)
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HandleSocketError(runtime_error(
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"Could not create a suitable socket."));
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}
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