diff options
Diffstat (limited to 'util/dvbnet/dvbnet.c')
| -rw-r--r-- | util/dvbnet/dvbnet.c | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/util/dvbnet/dvbnet.c b/util/dvbnet/dvbnet.c new file mode 100644 index 0000000..573fa59 --- /dev/null +++ b/util/dvbnet/dvbnet.c @@ -0,0 +1,205 @@ +/* + * dvbnet.c + * + * Copyright (C) 2003 TV Files S.p.A + * L.Y.Mesentsev <lymes@tiscalinet.it> + * + * 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 <linux/dvb/net.h> +#include <version.h> + +#ifndef VERSION_INFO +#define VERSION_INFO "1.1.0" +#endif + +#define OK 0 +#define FAIL -1 +#define DVB_NET_DEVICE "/dev/dvb/adapter%d/net%d" +#define DVB_NET_DEVICES_MAX 10 +#define IFNAME_DVB "dvb" + + +enum Mode { + UNKNOWN, + LST_INTERFACE, + ADD_INTERFACE, + DEL_INTERFACE +} op_mode; + +static int adapter = 0; +static int netdev = 0; +static struct dvb_net_if net_data; + +static void hello(void); +static void usage(char *); +static void parse_args(int, char **); +static int queryInterface(int, int); + +static char dvb_net_device[40]; + +int main(int argc, char **argv) +{ + int fd_net; + + hello(); + + parse_args(argc, argv); + + sprintf(dvb_net_device, DVB_NET_DEVICE, adapter, netdev); + + printf("Device: %s\n", dvb_net_device); + + if ((fd_net = open(dvb_net_device, O_RDWR | O_NONBLOCK)) < 0) { + fprintf(stderr, "Error: couldn't open device %s: %d %m\n", + dvb_net_device, errno); + return FAIL; + } + + switch (op_mode) { + case DEL_INTERFACE: + if (ioctl(fd_net, NET_REMOVE_IF, net_data.if_num)) + fprintf(stderr, + "Error: couldn't remove interface %d: %d %m.\n", + net_data.if_num, errno); + else + printf("Status: device %d removed successfully.\n", + net_data.if_num); + break; + + case ADD_INTERFACE: + if (ioctl(fd_net, NET_ADD_IF, &net_data)) + fprintf(stderr, + "Error: couldn't add interface for pid %d: %d %m.\n", + net_data.pid, errno); + else + printf + ("Status: device dvb%d_%d for pid %d created successfully.\n", + adapter, net_data.if_num, net_data.pid); + break; + + case LST_INTERFACE: + queryInterface(fd_net, 0); + break; + + default: + usage(argv[0]); + return FAIL; + } + + close(fd_net); + return OK; +} + + +int queryInterface(int fd_net, int dev) +{ + struct dvb_net_if data; + int IF, nIFaces = 0, ret = FAIL; + + printf("Query DVB network interfaces:\n"); + printf("-----------------------------\n"); + for (IF = 0; IF < DVB_NET_DEVICES_MAX; IF++) { + data.if_num = IF; + if (ioctl(fd_net, NET_GET_IF, &data)) + continue; + + if (dev == data.if_num) + ret = OK; + + printf("Found device %d: interface dvb%d_%d, " + "listening on PID %d\n", + IF, adapter, data.if_num, data.pid); + + nIFaces++; + } + + printf("-----------------------------\n"); + printf("Found %d interface(s).\n\n", nIFaces); + return ret; +} + + +void parse_args(int argc, char **argv) +{ + char c, *s; + op_mode = UNKNOWN; + while ((c = getopt(argc, argv, "a:n:p:d:lvh")) != EOF) { + switch (c) { + case 'a': + adapter = strtol(optarg, NULL, 0); + break; + case 'n': + netdev = strtol(optarg, NULL, 0); + break; + case 'p': + net_data.pid = strtol(optarg, NULL, 0); + op_mode = ADD_INTERFACE; + break; + case 'd': + net_data.if_num = strtol(optarg, NULL, 0); + op_mode = DEL_INTERFACE; + break; + case 'l': + op_mode = LST_INTERFACE; + 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 AD (default 0)\n"); + fprintf(stderr, "\t-n NET : Net demux NET (default 0)\n"); + fprintf(stderr, "\t-p PID : Add interface listening on PID\n"); + fprintf(stderr, "\t-d NUM : Remove interface dvbAD_NUM\n"); + fprintf(stderr, + "\t-l : List currently available interfaces\n"); + fprintf(stderr, "\t-v : Print current version\n\n"); +} + + +void hello(void) +{ + printf("\nDVB Network Interface Manager\n"); + printf("Version %s\n", VERSION_INFO); + printf("Copyright (C) 2003, TV Files S.p.A\n\n"); +} |