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/*
* dvbnet.c
*
* Copyright (C) 2003 TV Files S.p.A
* L.Y.Mesentsev <lymes@tiscalinet.it>
*
* Ported to use new DVB libraries:
* Copyright (C) 2006 Andrew de Quincey <adq_dvb@lidskialf.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
*
* This program 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 General Public License for more details.
*
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
*
*/
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <libdvbapi/dvbnet.h>
#define OK 0
#define FAIL -1
enum Mode {
UNKNOWN,
LST_INTERFACE,
ADD_INTERFACE,
DEL_INTERFACE
} op_mode;
static int adapter = 0;
static int netdev = 0;
static void hello(void);
static void usage(char *);
static void parse_args(int, char **);
static void queryInterface(int);
int ifnum;
int pid;
int encapsulation;
int main(int argc, char **argv)
{
int fd_net;
hello();
parse_args(argc, argv);
if ((fd_net = dvbnet_open(adapter, netdev)) < 0) {
fprintf(stderr, "Error: couldn't open device %d: %d %m\n",
netdev, errno);
return FAIL;
}
switch (op_mode) {
case DEL_INTERFACE:
if (dvbnet_remove_interface(fd_net, ifnum))
fprintf(stderr,
"Error: couldn't remove interface %d: %d %m.\n",
ifnum, errno);
else
printf("Status: device %d removed successfully.\n",
ifnum);
break;
case ADD_INTERFACE:
if ((ifnum = dvbnet_add_interface(fd_net, pid, encapsulation)) < 0)
fprintf(stderr,
"Error: couldn't add interface for pid %d: %d %m.\n",
pid, errno);
else
printf
("Status: device dvb%d_%d for pid %d created successfully.\n",
adapter, ifnum, pid);
break;
case LST_INTERFACE:
queryInterface(fd_net);
break;
default:
usage(argv[0]);
return FAIL;
}
close(fd_net);
return OK;
}
void queryInterface(int fd_net)
{
int IF, nIFaces = 0;
char *encap;
printf("Query DVB network interfaces:\n");
printf("-----------------------------\n");
for (IF = 0; IF < DVBNET_MAX_INTERFACES; IF++) {
uint16_t _pid;
enum dvbnet_encap _encapsulation;
if (dvbnet_get_interface(fd_net, IF, &_pid, &_encapsulation))
continue;
encap = "???";
switch(_encapsulation) {
case DVBNET_ENCAP_MPE:
encap = "MPE";
break;
case DVBNET_ENCAP_ULE:
encap = "ULE";
break;
}
printf("Found device %d: interface dvb%d_%d, "
"listening on PID %d, encapsulation %s\n",
IF, adapter, IF, _pid, encap);
nIFaces++;
}
printf("-----------------------------\n");
printf("Found %d interface(s).\n\n", nIFaces);
}
void parse_args(int argc, char **argv)
{
int c;
char *s;
op_mode = UNKNOWN;
encapsulation = DVBNET_ENCAP_MPE;
while ((c = getopt(argc, argv, "a:n:p:d:lUvh")) != EOF) {
switch (c) {
case 'a':
adapter = strtol(optarg, NULL, 0);
break;
case 'n':
netdev = strtol(optarg, NULL, 0);
break;
case 'p':
pid = strtol(optarg, NULL, 0);
op_mode = ADD_INTERFACE;
break;
case 'd':
ifnum = strtol(optarg, NULL, 0);
op_mode = DEL_INTERFACE;
break;
case 'l':
op_mode = LST_INTERFACE;
break;
case 'U':
encapsulation = DVBNET_ENCAP_ULE;
break;
case 'v':
exit(OK);
case 'h':
default:
s = strrchr(argv[0], '/') + 1;
usage((s) ? s : argv[0]);
exit(FAIL);
}
}
}
void usage(char *prog_name)
{
fprintf(stderr, "Usage: %s [options]\n", prog_name);
fprintf(stderr, "Where options are:\n");
fprintf(stderr, "\t-a AD : Adapter card (default 0)\n");
fprintf(stderr, "\t-n DD : Demux (default 0)\n");
fprintf(stderr, "\t-p PID : Add interface listening on PID\n");
fprintf(stderr, "\t-d NUM : Remove interface NUM\n");
fprintf(stderr, "\t-l : List currently available interfaces\n");
fprintf(stderr, "\t-U : use ULE framing (default: MPE)\n" );
fprintf(stderr, "\t-v : Print current version\n\n");
}
void hello(void)
{
printf("\nDVB Network Interface Manager\n");
printf("Copyright (C) 2003, TV Files S.p.A\n\n");
}
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