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tools: Allow pattern tools to access channels above the device file limit 

pattest and patgen already had this capability, but there were cases in which
they would act unexpectedly.  Now, if the name specified is not a character
device file, it will be treated as a channel number if possible.

Acked-by: Shaun Ruffell <sruffell@digium.com>


git-svn-id: http://svn.astersk.org/svn/dahdi/tools/trunk@9975 17933a7a-c749-41c5-a318-cba88f637d49
This commit is contained in:
Kinsey Moore 2011-06-07 19:44:34 +00:00
parent 49a5fbfcd2
commit 178ae27825
3 changed files with 111 additions and 51 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
patgen.c
View File

@ -33,6 +33,7 @@
#include <linux/types.h>
#include <linux/ppp_defs.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdlib.h>
#include "bittest.h"
@ -65,30 +66,40 @@ void print_packet(unsigned char *buf, int len)
printf("}\n");
}
int channel_open(char *name, int *bs)
int channel_open(const char *name, int *bs)
{
int channo;
int fd;
struct dahdi_params tp;
char *dev;
int channo, fd;
struct dahdi_params tp;
struct stat filestat;
channo = atoi(name);
/* channo==0: The user passed a file name to be opened. */
dev = channo ? DEVICE : name;
fd = open(dev, O_RDWR, 0600);
if (fd < 0) {
perror(DEVICE);
/* stat file, if character device, open it */
channo = strtoul(name, NULL, 10);
fd = stat(name, &filestat);
if (!fd && S_ISCHR(filestat.st_mode)) {
fd = open(name, O_RDWR, 0600);
if (fd < 0) {
perror(name);
return -1;
}
/* try out the dahdi_specify interface */
} else if (channo > 0) {
fd = open(DEVICE, O_RDWR, 0600);
if (fd < 0) {
perror(DEVICE);
return -1;
}
if (ioctl(fd, DAHDI_SPECIFY, &channo) < 0) {
perror("DAHDI_SPECIFY ioctl failed");
return -1;
}
/* die */
} else {
fprintf(stderr, "Specified channel is not a valid character "
"device or channel number");
return -1;
}
/* If we got a channel number, get it from /dev/dahdi/channel: */
if(channo && ioctl(fd, DAHDI_SPECIFY, &channo) < 0) {
perror("SPECIFY");
return -1;
}
if(ioctl(fd, DAHDI_SET_BLOCKSIZE, bs) < 0) {
if (ioctl(fd, DAHDI_SET_BLOCKSIZE, bs) < 0) {
perror("SET_BLOCKSIZE");
return -1;
}

64
patlooptest.c
View File

@ -39,6 +39,7 @@
#include <errno.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdlib.h>
#include <time.h>
@ -47,6 +48,7 @@
#include "dahdi_tools_version.h"
#define BLOCK_SIZE 2039
#define DEVICE "/dev/dahdi/channel"
#define CONTEXT_SIZE 7
/* Prints a set of bytes in hex format */
@ -97,12 +99,57 @@ static void usage(const char * progname)
printf("\n\t Also accepts old style usage:\n\t %s <device name> [<timeout in secs>]\n", progname);
}
int channel_open(const char *name, int *bs)
{
int channo, fd;
struct dahdi_params tp;
struct stat filestat;
/* stat file, if character device, open it */
channo = strtoul(name, NULL, 10);
fd = stat(name, &filestat);
if (!fd && S_ISCHR(filestat.st_mode)) {
fd = open(name, O_RDWR, 0600);
if (fd < 0) {
perror(name);
return -1;
}
/* try out the dahdi_specify interface */
} else if (channo > 0) {
fd = open(DEVICE, O_RDWR, 0600);
if (fd < 0) {
perror(DEVICE);
return -1;
}
if (ioctl(fd, DAHDI_SPECIFY, &channo) < 0) {
perror("DAHDI_SPECIFY ioctl failed");
return -1;
}
/* die */
} else {
fprintf(stderr, "Specified channel is not a valid character "
"device or channel number");
return -1;
}
if (ioctl(fd, DAHDI_SET_BLOCKSIZE, bs) < 0) {
perror("SET_BLOCKSIZE");
return -1;
}
if (ioctl(fd, DAHDI_GET_PARAMS, &tp)) {
fprintf(stderr, "Unable to get channel parameters\n");
return -1;
}
return fd;
}
int main(int argc, char *argv[])
{
int fd;
int res, x;
int i;
struct dahdi_params tp;
int bs = BLOCK_SIZE;
int skipcount = 10;
unsigned char c=0,c1=0;
@ -173,19 +220,9 @@ int main(int argc, char *argv[])
time_t start_time = 0;
fd = open(device, O_RDWR, 0600);
if (fd < 0) {
fprintf(stderr, "Unable to open %s: %s\n", device, strerror(errno));
fd = channel_open(device, &bs);
if (fd < 0)
exit(1);
}
if (ioctl(fd, DAHDI_SET_BLOCKSIZE, &bs)) {
fprintf(stderr, "Unable to set block size to %d: %s\n", bs, strerror(errno));
exit(1);
}
if (ioctl(fd, DAHDI_GET_PARAMS, &tp)) {
fprintf(stderr, "Unable to get channel parameters\n");
exit(1);
}
ioctl(fd, DAHDI_GETEVENT);
i = DAHDI_FLUSH_ALL;
@ -299,3 +336,4 @@ read_again:
}
}

49
pattest.c
View File

@ -33,6 +33,7 @@
#include <linux/types.h>
#include <linux/ppp_defs.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdlib.h>
#include "bittest.h"
@ -64,30 +65,40 @@ void print_packet(unsigned char *buf, int len)
printf("}\n");
}
int channel_open(char *name, int *bs)
int channel_open(const char *name, int *bs)
{
int channo;
int fd;
struct dahdi_params tp;
char *dev;
int channo, fd;
struct dahdi_params tp;
struct stat filestat;
channo = atoi(name);
/* channo==0: The user passed a file name to be opened. */
dev = channo ? DEVICE : name;
fd = open(dev, O_RDWR, 0600);
if (fd < 0) {
perror(DEVICE);
/* stat file, if character device, open it */
channo = strtoul(name, NULL, 10);
fd = stat(name, &filestat);
if (!fd && S_ISCHR(filestat.st_mode)) {
fd = open(name, O_RDWR, 0600);
if (fd < 0) {
perror(name);
return -1;
}
/* try out the dahdi_specify interface */
} else if (channo > 0) {
fd = open(DEVICE, O_RDWR, 0600);
if (fd < 0) {
perror(DEVICE);
return -1;
}
if (ioctl(fd, DAHDI_SPECIFY, &channo) < 0) {
perror("DAHDI_SPECIFY ioctl failed");
return -1;
}
/* die */
} else {
fprintf(stderr, "Specified channel is not a valid character "
"device or channel number");
return -1;
}
/* If we got a channel number, get it from /dev/dahdi/channel: */
if(channo && ioctl(fd, DAHDI_SPECIFY, &channo) < 0) {
perror("SPECIFY");
return -1;
}
if(ioctl(fd, DAHDI_SET_BLOCKSIZE, bs) < 0) {
if (ioctl(fd, DAHDI_SET_BLOCKSIZE, bs) < 0) {
perror("SET_BLOCKSIZE");
return -1;
}