mirror of https://github.com/Icinga/icinga2.git
104 lines
2.0 KiB
C++
104 lines
2.0 KiB
C++
#include "i2-base.h"
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using namespace icinga;
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/**
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* MakeSocket
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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();
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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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* Bind
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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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* Bind
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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 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(), service.c_str(), &hints, &result) < 0) {
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HandleSocketError();
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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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if (fd == INVALID_SOCKET)
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HandleSocketError();
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freeaddrinfo(result);
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}
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