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/* @licence app begin@
* Copyright (C) 2012-2014 BMW AG
*
* This file is part of GENIVI Project Dlt - Diagnostic Log and Trace console apps.
*
* Contributions are licensed to the GENIVI Alliance under one or more
* Contribution License Agreements.
*
* \copyright
* This Source Code Form is subject to the terms of the
* Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with
* this file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* \author
* Alexander Wenzel <alexander.aw.wenzel@bmw.de>
* Markus Klein <Markus.Klein@esk.fraunhofer.de>
* Mikko Rapeli <mikko.rapeli@bmw.de>
*
* \file dlt_daemon_socket.c
* For further information see http://www.genivi.org/.
* @licence end@
*/
#include <netdb.h>
#include <ctype.h>
#include <stdio.h> /* for printf() and fprintf() */
#include <sys/socket.h> /* for socket(), connect(), (), and recv() */
#include <arpa/inet.h> /* for sockaddr_in and inet_addr() */
#include <stdlib.h> /* for atoi() and exit() */
#include <string.h> /* for memset() */
#include <unistd.h> /* for close() */
#include <fcntl.h>
#include <signal.h>
#include <syslog.h>
#include <errno.h>
#include <pthread.h>
#include <sys/ioctl.h>
#include <net/if.h>
#ifdef linux
#include <sys/timerfd.h>
#endif
#include <sys/stat.h>
#include <sys/time.h>
#ifdef linux
#include <linux/stat.h>
#endif
#include "dlt_types.h"
#include "dlt-daemon.h"
#include "dlt-daemon_cfg.h"
#include "dlt_daemon_common_cfg.h"
#include "dlt_daemon_socket.h"
/** Global text output buffer, mainly used for creation of error/warning strings */
static char str[DLT_DAEMON_TEXTBUFSIZE];
int dlt_daemon_socket_open(int *sock)
{
int yes = 1;
char portnumbuffer[33];
struct addrinfo hints, *servinfo, *p;
int rv;
memset(&hints, 0, sizeof hints);
hints.ai_family = AF_INET6; // force IPv6 - will still work with IPv4
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_PASSIVE; // use my IP address
sprintf(portnumbuffer, "%d", DLT_DAEMON_TCP_PORT);
if ((rv = getaddrinfo(NULL, portnumbuffer, &hints, &servinfo)) != 0) {
snprintf(str, DLT_DAEMON_TEXTBUFSIZE, "getaddrinfo: %s\n", gai_strerror(rv));
dlt_log(LOG_WARNING, str);
return -1;
}
for(p = servinfo; p != NULL; p = p->ai_next) {
if ((*sock = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1) {
dlt_log(LOG_WARNING, "socket() error\n");
continue;
}
snprintf(str, DLT_DAEMON_TEXTBUFSIZE, "%s: Socket created - socket_family:%i, socket_type:%i, protocol:%i\n",
__FUNCTION__, p->ai_family, p->ai_socktype, p->ai_protocol);
dlt_log(LOG_INFO, str);
if (setsockopt(*sock, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)) == -1)
{
snprintf(str, DLT_DAEMON_TEXTBUFSIZE, "dlt_daemon_socket_open: Setsockopt error in dlt_daemon_local_connection_init: %s\n", strerror(errno));
dlt_log(LOG_WARNING, str);
continue;
}
if (bind(*sock, p->ai_addr, p->ai_addrlen) == -1) {
close(*sock);
dlt_log(LOG_WARNING, "bind() error\n");
continue;
}
break;
}
if (p == NULL) {
dlt_log(LOG_WARNING, "failed to bind socket\n");
return -1;
}
freeaddrinfo(servinfo);
snprintf(str, DLT_DAEMON_TEXTBUFSIZE, "%s: Listening on port: %u\n", __FUNCTION__, DLT_DAEMON_TCP_PORT);
dlt_log(LOG_INFO, str);
// get socket buffer size
snprintf(str, DLT_DAEMON_TEXTBUFSIZE, "dlt_daemon_socket_open: Socket send queue size: %d\n", dlt_daemon_socket_get_send_qeue_max_size(*sock));
dlt_log(LOG_INFO, str);
if (listen(*sock, 3) < 0)
{
dlt_log(LOG_WARNING, "dlt_daemon_socket_open: listen() failed!\n");
return -1;
}
return 0; // OK
}
int dlt_daemon_socket_close(int sock)
{
close(sock);
return 0;
}
int dlt_daemon_socket_send(int sock,void* data1,int size1,void* data2,int size2,char serialheader)
{
/* Optional: Send serial header, if requested */
if (serialheader)
{
if ( 0 > send(sock, dltSerialHeader,sizeof(dltSerialHeader),0) )
return DLT_DAEMON_ERROR_SEND_FAILED;
}
/* Send data */
if(data1 && size1>0)
{
if (0 > send(sock, data1,size1,0))
return DLT_DAEMON_ERROR_SEND_FAILED;
}
if(data2 && size2>0)
{
if (0 > send(sock, data2,size2,0))
return DLT_DAEMON_ERROR_SEND_FAILED;
}
return DLT_DAEMON_ERROR_OK;
}
int dlt_daemon_socket_get_send_qeue_max_size(int sock)
{
int n = 0;
socklen_t m = sizeof(n);
getsockopt(sock,SOL_SOCKET,SO_SNDBUF,(void *)&n, &m);
return n;
}
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