evutil_socket_t s_create_listening_socket()

in php_memcached_server.c [715:766]

• 44 lines of code
• 8 McCabe index (conditional complexity)

evutil_socket_t s_create_listening_socket (const char *spec)
{
	evutil_socket_t sock;
	struct sockaddr_storage addr;
	int addr_len;

	int rc;

	addr_len = sizeof (struct sockaddr);
	rc = evutil_parse_sockaddr_port (spec, (struct sockaddr *) &addr, &addr_len);
	if (rc != 0) {
		php_error_docref(NULL, E_WARNING, "Failed to parse bind address");
		return -1;
	}

	sock = socket (AF_INET, SOCK_STREAM, 0);
	if (sock < 0) {
		php_error_docref(NULL, E_WARNING, "socket failed: %s", strerror (errno));
		return -1;
	}

	rc = bind (sock, (struct sockaddr *) &addr, addr_len);
	if (rc < 0) {
		php_error_docref(NULL, E_WARNING, "bind failed: %s", strerror (errno));
		return -1;
	}

	rc = listen (sock, 1024);
	if (rc < 0) {
		php_error_docref(NULL, E_WARNING, "listen failed: %s", strerror (errno));
		return -1;
	}

	rc = evutil_make_socket_nonblocking (sock);
	if (rc != 0) {
		php_error_docref(NULL, E_WARNING, "failed to make socket non-blocking: %s", strerror (errno));
		return -1;
	}

	rc = evutil_make_listen_socket_reuseable (sock);
	if (rc != 0) {
		php_error_docref(NULL, E_WARNING, "failed to make socket reuseable: %s", strerror (errno));
		return -1;
	}

	rc = evutil_make_socket_closeonexec (sock);
	if (rc != 0) {
		php_error_docref(NULL, E_WARNING, "failed to make socket closeonexec: %s", strerror (errno));
		return -1;
	}
	return sock;
}