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openairinterface5g/openair1/SIMULATION/ETH_TRANSPORT/socket.c
T

110 lines
3.0 KiB
C

/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file socket.c
* \brief
* \author Lionel Gauthier
* \date 2011
* \version 1.0
* \company Eurecom
* \email: lionel.gauthier@eurecom.fr
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
//#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <assert.h>
#define SOCKET_C
//#include "openair_defs.h"
#include "socket.h"
#define msg printf
//------------------------------------------------------------------------------
void
socket_setnonblocking (int sockP)
{
//------------------------------------------------------------------------------
int opts;
opts = fcntl (sockP, F_GETFL);
if (opts < 0) {
perror ("fcntl(F_GETFL)");
exit (EXIT_FAILURE);
}
opts = (opts | O_NONBLOCK);
if (fcntl (sockP, F_SETFL, opts) < 0) {
perror ("fcntl(F_SETFL)");
exit (EXIT_FAILURE);
}
return;
}
//------------------------------------------------------------------------------
int
make_socket_inet (int typeP, uint16_t * portP, struct sockaddr_in *ptr_addressP)
{
//------------------------------------------------------------------------------
int sock;
unsigned int length = sizeof (struct sockaddr_in);
struct sockaddr_in name;
assert ((typeP == SOCK_STREAM) || (typeP == SOCK_DGRAM));
/* Create the socket. */
sock = socket (PF_INET, typeP, 0);
if (sock < 0) {
fprintf (stderr, "ERROR: %s line %d socket %m", __FILE__, __LINE__);
exit (EXIT_FAILURE);
}
/* Give the socket a name. */
name.sin_family = AF_INET;
name.sin_port = htons (*portP);
name.sin_addr.s_addr = htonl (INADDR_ANY);
if (bind (sock, (struct sockaddr *) &name, sizeof (name)) < 0) {
close (sock);
fprintf (stderr, "ERROR: %s line %d bind port %d %m", __FILE__, __LINE__, *portP);
exit (EXIT_FAILURE);
}
if (ptr_addressP != NULL) {
getsockname (sock, (struct sockaddr *) ptr_addressP, &length);
}
msg("[SOCKET] bound socket port %d\n", *portP);
return sock;
}