mirror of https://github.com/pvnis/srsRAN_4G.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
113 lines
2.9 KiB
C
113 lines
2.9 KiB
C
/**
|
|
*
|
|
* \section COPYRIGHT
|
|
*
|
|
* Copyright 2013-2015 Software Radio Systems Limited
|
|
*
|
|
* \section LICENSE
|
|
*
|
|
* This file is part of the srsLTE library.
|
|
*
|
|
* srsLTE is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as
|
|
* published by the Free Software Foundation, either version 3 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* srsLTE is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* A copy of the GNU Affero General Public License can be found in
|
|
* the LICENSE file in the top-level directory of this distribution
|
|
* and at http://www.gnu.org/licenses/.
|
|
*
|
|
*/
|
|
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <math.h>
|
|
#include <strings.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
|
|
|
|
#include "srslte/io/netsink.h"
|
|
|
|
int srslte_netsink_init(srslte_netsink_t *q, char *address, int port, srslte_netsink_type_t type) {
|
|
bzero(q, sizeof(srslte_netsink_t));
|
|
|
|
q->sockfd=socket(AF_INET, type==SRSLTE_NETSINK_TCP?SOCK_STREAM:SOCK_DGRAM,0);
|
|
if (q->sockfd < 0) {
|
|
perror("socket");
|
|
return -1;
|
|
}
|
|
|
|
int enable = 1;
|
|
if (setsockopt(q->sockfd, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(int)) < 0)
|
|
perror("setsockopt(SO_REUSEADDR) failed");
|
|
if (setsockopt(q->sockfd, SOL_SOCKET, SO_REUSEPORT, &enable, sizeof(int)) < 0)
|
|
perror("setsockopt(SO_REUSEPORT) failed");
|
|
|
|
q->servaddr.sin_family = AF_INET;
|
|
q->servaddr.sin_addr.s_addr=inet_addr(address);
|
|
q->servaddr.sin_port=htons(port);
|
|
q->connected = false;
|
|
q->type = type;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void srslte_netsink_free(srslte_netsink_t *q) {
|
|
if (q->sockfd) {
|
|
close(q->sockfd);
|
|
}
|
|
bzero(q, sizeof(srslte_netsink_t));
|
|
}
|
|
|
|
int srslte_netsink_set_nonblocking(srslte_netsink_t *q) {
|
|
if (fcntl(q->sockfd, F_SETFL, O_NONBLOCK)) {
|
|
perror("fcntl");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int srslte_netsink_write(srslte_netsink_t *q, void *buffer, int nof_bytes) {
|
|
if (!q->connected) {
|
|
if (connect(q->sockfd,&q->servaddr,sizeof(q->servaddr)) < 0) {
|
|
if (errno == ECONNREFUSED || errno == EINPROGRESS) {
|
|
return 0;
|
|
} else {
|
|
perror("connect");
|
|
exit(-1);
|
|
return -1;
|
|
}
|
|
} else {
|
|
q->connected = true;
|
|
}
|
|
}
|
|
int n = 0;
|
|
if (q->connected) {
|
|
n = write(q->sockfd, buffer, nof_bytes);
|
|
if (n < 0) {
|
|
if (errno == ECONNRESET) {
|
|
close(q->sockfd);
|
|
q->sockfd=socket(AF_INET, q->type==SRSLTE_NETSINK_TCP?SOCK_STREAM:SOCK_DGRAM,0);
|
|
if (q->sockfd < 0) {
|
|
perror("socket");
|
|
return -1;
|
|
}
|
|
q->connected = false;
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
return n;
|
|
}
|
|
|