icinga2/base/tcpsocket.cpp

#include "i2-base.h"

using namespace icinga;

void TCPSocket::MakeSocket(void)
{
	assert(GetFD() == INVALID_SOCKET);

	int fd = socket(AF_INET, SOCK_STREAM, 0);

	if (fd == INVALID_SOCKET) {
		HandleSocketError();

		return;
	}

	SetFD(fd);
}

void TCPSocket::Bind(unsigned short port)
{
	Bind(NULL, port);
}

void TCPSocket::Bind(const char *hostname, unsigned short port)
{
#ifndef _WIN32
	const int optTrue = 1;
	setsockopt(GetFD(), SOL_SOCKET, SO_REUSEADDR, (char *)&optTrue, sizeof(optTrue));
#endif /* _WIN32 */

	sockaddr_in sin;
	memset(&sin, 0, sizeof(sin));
	sin.sin_family = AF_INET;
	sin.sin_addr.s_addr = hostname ? inet_addr(hostname) : htonl(INADDR_ANY);
	sin.sin_port = htons(port);

	if (::bind(GetFD(), (sockaddr *)&sin, sizeof(sin)) < 0)
		HandleSocketError();
}