siputil.cpp

kphone-4.2,SHELL协议的VOIP电话

#include <sys/types.h>
#include <sys/stat.h>
#include <sys/utsname.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <net/if_arp.h>
#include <net/route.h>
#include <net/if.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <qobject.h>
#include <qmessagebox.h>
#include <netdb.h>
#include <fcntl.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>

#include "siputil.h"

static char *dissipate_our_fqdn = NULL;

/* max number of network interfaces*/
#define MAX_IF 5

/* Path to the route entry in proc filesystem */
#define PROCROUTE "/proc/net/route"

/* file containing the hostname of the machine */
/* This is the name for slackware and redhat */

#define HOSTFILE "/etc/HOSTNAME"

/* and this is the name for debian */
/* #define HOSTFILE "/etc/HOSTNAME" */

#ifndef SIOCGIFCOUNT
#define SIOCGIFCOUNT 0x8935
#endif

char iface[16];


bool SipUtil::checkFilename( const char *filename )
{
	int fd;
	fd = open( filename, O_WRONLY );
	if ( fd == -1 ) {
		return false;
	}
	// else
	close( fd );
	return true;
}


/* This searches the proc routing entry for the interface the default gateway