Added dvbls util.

This commit is contained in:
CrazyCat
2021-02-02 19:41:41 +02:00
parent 89c636e216
commit ad3104e066
4 changed files with 183 additions and 1 deletions

22
dvbls/README Normal file
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# LICENSE
Copyright (C) 2012, Andrey Dyldin <and@cesbo.com>
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

158
dvbls/dvbls.c Normal file
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/*
* dvbls
* Copyright (C) 2012, Andrey Dyldin <and@cesbo.com>
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <string.h>
#include <fcntl.h>
#include <dirent.h>
#include <linux/dvb/version.h>
#include <linux/dvb/frontend.h>
#include <linux/dvb/net.h>
#include <errno.h>
static int adapter = 0;
static int device = 0;
static char dev_name[512];
static void iterate_dir(const char *dir, const char *filter, void (*callback)(const char *))
{
DIR *dirp = opendir(dir);
if(!dirp)
{
printf("ERROR: opendir() failed %s [%s]\n", dir, strerror(errno));
return;
}
char item[64];
const int item_len = sprintf(item, "%s/", dir);
const int filter_len = strlen(filter);
do
{
struct dirent *entry = readdir(dirp);
if(!entry)
break;
if(strncmp(entry->d_name, filter, filter_len))
continue;
sprintf(&item[item_len], "%s", entry->d_name);
callback(item);
} while(1);
closedir(dirp);
}
static int get_last_int(const char *str)
{
int i = 0;
int i_pos = -1;
for(; str[i]; ++i)
{
const char c = str[i];
if(c >= '0' && c <= '9')
{
if(i_pos == -1)
i_pos = i;
}
else if(i_pos >= 0)
i_pos = -1;
}
if(i_pos == -1)
return 0;
return atoi(&str[i_pos]);
}
static void check_device_net(void)
{
sprintf(dev_name, "/dev/dvb/adapter%d/net%d", adapter, device);
int fd = open(dev_name, O_RDWR | O_NONBLOCK);
if(!fd)
{
printf("ERROR: open() failed %s [%s]\n", dev_name, strerror(errno));
return;
}
struct dvb_net_if net = { 0, 0 ,0 };
if(ioctl(fd, NET_ADD_IF, &net) < 0)
{
printf("ERROR: NET_ADD_IF failed %s [%s]\n", dev_name, strerror(errno));
close(fd);
return;
}
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
sprintf(ifr.ifr_name, "dvb%d_%d", adapter, device);
int sock = socket(PF_INET, SOCK_DGRAM, 0);
if(ioctl(sock, SIOCGIFHWADDR, &ifr) < 0)
printf("ERROR: SIOCGIFHWADDR failed %s [%s]\n", dev_name, strerror(errno));
else
{
const unsigned char *mac = ifr.ifr_hwaddr.sa_data;
printf(" mac:%02X:%02X:%02X:%02X:%02X:%02X\n"
, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
}
close(sock);
if(ioctl(fd, NET_REMOVE_IF, net.if_num) < 0)
printf("ERROR: NET_REMOVE_IF failed %s [%s]\n", dev_name, strerror(errno));
close(fd);
}
static void check_device_frontend(void)
{
sprintf(dev_name, "/dev/dvb/adapter%d/frontend%d", adapter, device);
int fd = open(dev_name, O_RDONLY | O_NONBLOCK);
if(!fd)
{
printf("ERROR: open() failed %s [%s]\n", dev_name, strerror(errno));
return;
}
struct dvb_frontend_info feinfo;
if(ioctl(fd, FE_GET_INFO, &feinfo) < 0)
{
printf("ERROR: FE_GET_INFO failed %s [%s]\n", dev_name, strerror(errno));
close(fd);
return;
}
printf(" frontend:%s\n", feinfo.name);
close(fd);
}
static void check_device(const char *item)
{
device = get_last_int(&item[(sizeof("/dev/dvb/adapter") - 1) + (sizeof("/net") - 1)]);
printf("adapter:%d device:%d\n", adapter, device);
check_device_frontend();
check_device_net();
printf("\n");
}
static void check_adapter(const char *item)
{
adapter = get_last_int(&item[sizeof("/dev/dvb/adapter") - 1]);
iterate_dir(item, "net", check_device);
}
int main(int argc, char const *argv[])
{
printf("dvbls v.1\n\n");
iterate_dir("/dev/dvb", "adapter", check_adapter);
return 0;
}

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dvbls/install.sh Executable file
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#!/bin/bash
sudo gcc -o /usr/local/bin/dvbls dvbls.c

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#!/bin/bash
# Enable some staging drivers
make stagingconfig
#make stagingconfig
echo "V4L drivers building..."
make -j5