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46 KiB

/*
* Configuration program for DAHDI Telephony Interface
*
* Written by Mark Spencer <markster@digium.com>
* Based on previous works, designs, and architectures conceived and
* written by Jim Dixon <jim@lambdatel.com>.
*
* Copyright (C) 2001 Jim Dixon / Zapata Telephony.
* Copyright (C) 2001-2008 Digium, Inc.
*
* All rights reserved.
*
* Primary Author: Mark Spencer <markster@digium.com>
* Radio Support by Jim Dixon <jim@lambdatel.com>
*/
/*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2 as published by the
* Free Software Foundation. See the LICENSE file included with
* this program for more details.
*/
#include <stdio.h>
#include <getopt.h>
#include <signal.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <semaphore.h>
#include <errno.h>
#include <dirent.h>
#include <stdbool.h>
#include <dahdi/user.h>
#include "tonezone.h"
#include "dahdi_tools_version.h"
#define CONFIG_FILENAME "/etc/dahdi/system.conf"
#define MASTER_DEVICE "/dev/dahdi/ctl"
#define NUM_SPANS DAHDI_MAX_SPANS
#define NUM_TONES 15
/*! A sanity check for the timing parameter of the span.
*
* Note that each driver using it is still responsible for validating
* that value.
*/
#define MAX_TIMING 255
/* Assume no more than 1024 dynamics */
#define NUM_DYNAMIC 1024
static int lineno=0;
static FILE *cf;
static char *filename=CONFIG_FILENAME;
int rxtones[NUM_TONES + 1],rxtags[NUM_TONES + 1],txtones[NUM_TONES + 1];
int bursttime = 0, debouncetime = 0, invertcor = 0, exttone = 0, corthresh = 0;
int txgain = 0, rxgain = 0, deemp = 0, preemp = 0;
int corthreshes[] = {3125,6250,9375,12500,15625,18750,21875,25000,0} ;
static int toneindex = 1;
#define DEBUG_READER (1 << 0)
#define DEBUG_PARSER (1 << 1)
#define DEBUG_APPLY (1 << 2)
static int debug = 0;
static int errcnt = 0;
static int deftonezone = -1;
static struct dahdi_lineconfig lc[DAHDI_MAX_SPANS];
static struct dahdi_chanconfig cc[DAHDI_MAX_CHANNELS];
static int only_span = 0;
static int restrict_channels = 0;
static int selected_channels[DAHDI_MAX_CHANNELS];
static int declared_spans[DAHDI_MAX_SPANS];
static struct dahdi_attach_echocan ae[DAHDI_MAX_CHANNELS];
static struct dahdi_dynamic_span zds[NUM_DYNAMIC];
static const char *sig[DAHDI_MAX_CHANNELS]; /* Signalling */
static int slineno[DAHDI_MAX_CHANNELS]; /* Line number where signalling specified */
static int fiftysixkhdlc[DAHDI_MAX_CHANNELS];
static int spans=0;
static int dry_run = 0;
static int verbose = 0;
static int force = 0;
static int stopmode = 0;
static int numdynamic = 0;
static char zonestoload[DAHDI_TONE_ZONE_MAX][10];
static int numzones = 0;
static int fd = -1;
static const char *lbostr[] = {
"0 db (CSU)/0-133 feet (DSX-1)",
"133-266 feet (DSX-1)",
"266-399 feet (DSX-1)",
"399-533 feet (DSX-1)",
"533-655 feet (DSX-1)",
"-7.5db (CSU)",
"-15db (CSU)",
"-22.5db (CSU)"
};
static const char *laws[] = {
"Default",
"Mu-law",
"A-law"
};
static bool _are_all_spans_assigned(const char *device_path)
{
char attribute[1024];
int res;
FILE *fp;
int span_count;
DIR *dirp;
struct dirent *dirent;
snprintf(attribute, sizeof(attribute) - 1,
"%s/span_count", device_path);
fp = fopen(attribute, "r");
if (NULL == fp) {
fprintf(stderr, "Failed to open '%s'.\n", attribute);
return false;
}
res = fscanf(fp, "%d", &span_count);
fclose(fp);
if (EOF == res) {
fprintf(stderr, "Failed to read '%s'.\n", attribute);
return false;
}
dirp = opendir(device_path);
while (span_count) {
dirent = readdir(dirp);
if (NULL == dirent)
break;
if (!strncmp("span-", dirent->d_name, 5)) {
--span_count;
}
}
closedir(dirp);
return (span_count > 0) ? false : true;
}
/**
* are_all_spans_assigned - Look in sysfs to see if all spans for a device are assigned.
*
* Returns true if there are $span_count child spans of all devices, or false
* otherwise.
*/
static bool are_all_spans_assigned(void)
{
DIR *dirp;
struct dirent *dirent;
bool res = true;
char device_path[1024];
dirp = opendir("/sys/bus/dahdi_devices/devices");
if (!dirp) {
/* If we cannot open dahdi_devices, either dahdi isn't loaded,
* or we're using an older version of DAHDI that doesn't use
* sysfs. */
return true;
}
while (true && res) {
dirent = readdir(dirp);
if (NULL == dirent)
break;
if (!strcmp(dirent->d_name, ".") ||
!strcmp(dirent->d_name, ".."))
continue;
snprintf(device_path, sizeof(device_path)-1,
"/sys/bus/dahdi_devices/devices/%s", dirent->d_name);
res = _are_all_spans_assigned(device_path);
}
closedir(dirp);
errno = 0;
return res;
}
static bool wait_for_all_spans_assigned(unsigned long timeout_sec)
{
bool all_assigned = are_all_spans_assigned();
unsigned int timeout = 10*timeout_sec;
while (!all_assigned && --timeout) {
usleep(100000);
all_assigned = are_all_spans_assigned();
}
return all_assigned;
}
static const char *sigtype_to_str(const int sig)
{
switch (sig) {
case 0:
return "Unused";
case DAHDI_SIG_EM:
return "E & M";
case DAHDI_SIG_EM_E1:
return "E & M E1";
case DAHDI_SIG_FXSLS:
return "FXS Loopstart";
case DAHDI_SIG_FXSGS:
return "FXS Groundstart";
case DAHDI_SIG_FXSKS:
return "FXS Kewlstart";
case DAHDI_SIG_FXOLS:
return "FXO Loopstart";
case DAHDI_SIG_FXOGS:
return "FXO Groundstart";
case DAHDI_SIG_FXOKS:
return "FXO Kewlstart";
case DAHDI_SIG_CAS:
return "CAS / User";
case DAHDI_SIG_DACS:
return "DACS";
case DAHDI_SIG_DACS_RBS:
return "DACS w/RBS";
case DAHDI_SIG_CLEAR:
return "Clear channel";
case DAHDI_SIG_SLAVE:
return "Slave channel";
case DAHDI_SIG_HDLCRAW:
return "Raw HDLC";
case DAHDI_SIG_HDLCNET:
return "Network HDLC";
case DAHDI_SIG_HDLCFCS:
return "HDLC with FCS check";
case DAHDI_SIG_HARDHDLC:
return "Hardware assisted D-channel";
case DAHDI_SIG_MTP2:
return "MTP2";
default:
return "Unknown";
}
}
static void clear_fields()
{
memset(rxtones,0,sizeof(rxtones));
memset(rxtags,0,sizeof(rxtags));
memset(txtones,0,sizeof(txtones));
bursttime = 0;
debouncetime = 0;
invertcor = 0;
exttone = 0;
txgain = 0;
rxgain = 0;
deemp = 0;
preemp = 0;
}
static int error(char *fmt, ...) __attribute__ ((format(printf, 1, 2)));
static int error(char *fmt, ...)
{
int res;
static int shown=0;
va_list ap;
if (!shown) {
fprintf(stderr, "Notice: Configuration file is %s\n", filename);
shown++;
}
res = fprintf(stderr, "line %d: ", lineno);
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
errcnt++;
return res;
}
static char *trim(char *buf)
{
size_t len;
while (*buf && (*buf < 33)) {
buf++;
}
len = strlen(buf);
while (len && buf[len-1] < 33) {
buf[--len] = '\0';
}
return buf;
}
static int skip_channel(int x)
{
if (restrict_channels) {
if (!selected_channels[x])
return 1;
} else {
if (only_span && !declared_spans[only_span]) {
fprintf(stderr,
"Error: analog span %d given to '-S', without '-C' restriction.\n",
only_span);
exit(1);
}
}
return 0;
}
static int parseargs(char *input, char *output[], int maxargs, char sep)
{
char *c;
int pos=0;
c = input;
output[pos++] = c;
while(*c) {
while(*c && (*c != sep)) c++;
if (*c) {
*c = '\0';
c++;
while(*c && (*c < 33)) c++;
if (*c) {
if (pos >= maxargs)
return -1;
output[pos] = c;
trim(output[pos]);
pos++;
output[pos] = NULL;
/* Return error if we have too many */
} else
return pos;
}
}
return pos;
}
int dspanconfig(char *keyword, char *args)
{
static char *realargs[10];
int res;
int chans;
int timing;
res = parseargs(args, realargs, 4, ',');
if (res != 4) {
error("Incorrect number of arguments to 'dynamic' (should be <driver>,<address>,<num channels>, <timing>)\n");
return -1;
}
res = sscanf(realargs[2], "%d", &chans);
if ((res == 1) && (chans < 1))
res = -1;
if (res != 1) {
error("Invalid number of channels '%s', should be a number > 0.\n", realargs[2]);
return -1;
}
res = sscanf(realargs[3], "%d", &timing);
if ((res == 1) && (timing < 0))
res = -1;
if (res != 1) {
error("Invalid timing '%s', should be a number > 0.\n", realargs[3]);
return -1;
}
dahdi_copy_string(zds[numdynamic].driver, realargs[0], sizeof(zds[numdynamic].driver));
dahdi_copy_string(zds[numdynamic].addr, realargs[1], sizeof(zds[numdynamic].addr));
zds[numdynamic].numchans = chans;
zds[numdynamic].timing = timing;
numdynamic++;
return 0;
}
int spanconfig(char *keyword, char *args)
{
static char *realargs[10];
int res;
int argc;
int span;
int timing;
int i;
argc = res = parseargs(args, realargs, 9, ',');
if ((res < 5) || (res > 9)) {
error("Incorrect number of arguments to 'span' (should be <spanno>,<timing>,<lbo>,<framing>,<coding>[, crc4 | yellow [, yellow]])\n");
return -1;
}
res = sscanf(realargs[0], "%d", &span);
if (res != 1) {
error("Span number should be a valid span number, not '%s'\n", realargs[0]);
return -1;
}
declared_spans[span] = 1;
res = sscanf(realargs[1], "%d", &timing);
if ((res != 1) || (timing < 0) || (timing > MAX_TIMING)) {
error("Timing should be a number from 0 to %d, not '%s'\n",
MAX_TIMING, realargs[1]);
return -1;
}
res = sscanf(realargs[2], "%d", &lc[spans].lbo);
if (res != 1) {
error("Line build-out (LBO) should be a number from 0 to 7 (usually 0) not '%s'\n", realargs[2]);
return -1;
}
if ((lc[spans].lbo < 0) || (lc[spans].lbo > 7)) {
error("Line build-out should be in the range 0 to 7, not %d\n", lc[spans].lbo);
return -1;
}
if (!strcasecmp(realargs[3], "d4")) {
lc[spans].lineconfig |= DAHDI_CONFIG_D4;
lc[spans].lineconfig &= ~DAHDI_CONFIG_ESF;
lc[spans].lineconfig &= ~DAHDI_CONFIG_CCS;
} else if (!strcasecmp(realargs[3], "esf")) {
lc[spans].lineconfig |= DAHDI_CONFIG_ESF;
lc[spans].lineconfig &= ~DAHDI_CONFIG_D4;
lc[spans].lineconfig &= ~DAHDI_CONFIG_CCS;
} else if (!strcasecmp(realargs[3], "ccs")) {
lc[spans].lineconfig |= DAHDI_CONFIG_CCS;
lc[spans].lineconfig &= ~(DAHDI_CONFIG_ESF | DAHDI_CONFIG_D4);
} else if (!strcasecmp(realargs[3], "cas")) {
lc[spans].lineconfig &= ~DAHDI_CONFIG_CCS;
lc[spans].lineconfig &= ~(DAHDI_CONFIG_ESF | DAHDI_CONFIG_D4);
} else {
error("Framing(T1)/Signalling(E1) must be one of 'd4', 'esf', 'cas' or 'ccs', not '%s'\n", realargs[3]);
return -1;
}
if (!strcasecmp(realargs[4], "ami")) {
lc[spans].lineconfig &= ~(DAHDI_CONFIG_B8ZS | DAHDI_CONFIG_HDB3);
lc[spans].lineconfig |= DAHDI_CONFIG_AMI;
} else if (!strcasecmp(realargs[4], "b8zs")) {
lc[spans].lineconfig |= DAHDI_CONFIG_B8ZS;
lc[spans].lineconfig &= ~(DAHDI_CONFIG_AMI | DAHDI_CONFIG_HDB3);
} else if (!strcasecmp(realargs[4], "hdb3")) {
lc[spans].lineconfig |= DAHDI_CONFIG_HDB3;
lc[spans].lineconfig &= ~(DAHDI_CONFIG_AMI | DAHDI_CONFIG_B8ZS);
} else {
error("Coding must be one of 'ami', 'b8zs' or 'hdb3', not '%s'\n", realargs[4]);
return -1;
}
for (i = 5; i < argc; i++) {
if (!strcasecmp(realargs[i], "yellow"))
lc[spans].lineconfig |= DAHDI_CONFIG_NOTOPEN;
else if (!strcasecmp(realargs[i], "crc4"))
lc[spans].lineconfig |= DAHDI_CONFIG_CRC4;
else if (!strcasecmp(realargs[i], "nt"))
lc[spans].lineconfig |= DAHDI_CONFIG_NTTE;
else if (!strcasecmp(realargs[i], "te"))
lc[spans].lineconfig &= ~DAHDI_CONFIG_NTTE;
else if (!strcasecmp(realargs[i], "term"))
lc[spans].lineconfig |= DAHDI_CONFIG_TERM;
else {
error("Remaining arguments may be any of: 'yellow', 'crc4', 'nt', 'te', 'term', not '%s'\n", realargs[i]);
return -1;
}
}
lc[spans].span = span;
lc[spans].sync = timing;
/* Valid span */
spans++;
return 0;
}
int apply_channels(int chans[], char *argstr)
{
char *args[DAHDI_MAX_CHANNELS+1];
char *range[3];
int res,x, res2,y;
int chan;
int start, finish;
char argcopy[256];
res = parseargs(argstr, args, DAHDI_MAX_CHANNELS, ',');
if (res < 0) {
error("Too many arguments... Max is %d\n", DAHDI_MAX_CHANNELS);
return -1;
}
for (x=0;x<res;x++) {
if (strchr(args[x], '-')) {
/* It's a range */
dahdi_copy_string(argcopy, args[x], sizeof(argcopy));
res2 = parseargs(argcopy, range, 2, '-');
if (res2 != 2) {
error("Syntax error in range '%s'. Should be <val1>-<val2>.\n", args[x]);
return -1;
}
res2 =sscanf(range[0], "%d", &start);
if (res2 != 1) {
error("Syntax error. Start of range '%s' should be a number from 1 to %d\n", args[x], DAHDI_MAX_CHANNELS - 1);
return -1;
} else if ((start < 1) || (start >= DAHDI_MAX_CHANNELS)) {
error("Start of range '%s' must be between 1 and %d (not '%d')\n", args[x], DAHDI_MAX_CHANNELS - 1, start);
return -1;
}
res2 =sscanf(range[1], "%d", &finish);
if (res2 != 1) {
error("Syntax error. End of range '%s' should be a number from 1 to %d\n", args[x], DAHDI_MAX_CHANNELS - 1);
return -1;
} else if ((finish < 1) || (finish >= DAHDI_MAX_CHANNELS)) {
error("end of range '%s' must be between 1 and %d (not '%d')\n", args[x], DAHDI_MAX_CHANNELS - 1, finish);
return -1;
}
if (start > finish) {
error("Range '%s' should start before it ends\n", args[x]);
return -1;
}
for (y=start;y<=finish;y++)
chans[y]=1;
} else {
/* It's a single channel */
res2 =sscanf(args[x], "%d", &chan);
if (res2 != 1) {
error("Syntax error. Channel should be a number from 1 to %d, not '%s'\n", DAHDI_MAX_CHANNELS - 1, args[x]);
return -1;
} else if ((chan < 1) || (chan >= DAHDI_MAX_CHANNELS)) {
error("Channel must be between 1 and %d (not '%d')\n", DAHDI_MAX_CHANNELS - 1, chan);
return -1;
}
chans[chan]=1;
}
}
return res;
}
int parse_idle(int *i, char *s)
{
char a,b,c,d;
if (s) {
if (sscanf(s, "%c%c%c%c", &a,&b,&c,&d) == 4) {
if (((a == '0') || (a == '1')) && ((b == '0') || (b == '1')) && ((c == '0') || (c == '1')) && ((d == '0') || (d == '1'))) {
*i = 0;
if (a == '1')
*i |= DAHDI_ABIT;
if (b == '1')
*i |= DAHDI_BBIT;
if (c == '1')
*i |= DAHDI_CBIT;
if (d == '1')
*i |= DAHDI_DBIT;
return 0;
}
}
}
error("CAS Signalling requires idle definition in the form ':xxxx' at the end of the channel definition, where xxxx represent the a, b, c, and d bits\n");
return -1;
}
static int parse_channel(char *channel, int *startchan)
{
if (!channel || (sscanf(channel, "%d", startchan) != 1) ||
(*startchan < 1)) {
error("DACS requires a starting channel in the form ':x' where x is the channel\n");
return -1;
}
return 0;
}
static int chanconfig(char *keyword, char *args)
{
int chans[DAHDI_MAX_CHANNELS];
int res = 0;
int x;
int master=0;
int dacschan = 0;
char *idle;
bzero(chans, sizeof(chans));
strtok(args, ":");
idle = strtok(NULL, ":");
if (!strcasecmp(keyword, "dacs") || !strcasecmp(keyword, "dacsrbs")) {
res = parse_channel(idle, &dacschan);
}
if (!res)
res = apply_channels(chans, args);
if (res <= 0)
return -1;
for (x=1;x<DAHDI_MAX_CHANNELS;x++) {
if (chans[x]) {
if (slineno[x]) {
error("Channel %d already configured as '%s' at line %d\n", x, sig[x], slineno[x]);
continue;
}
if ((!strcasecmp(keyword, "dacs") || !strcasecmp(keyword, "dacsrbs")) && slineno[dacschan]) {
error("DACS Destination channel %d already configured as '%s' at line %d\n", dacschan, sig[dacschan], slineno[dacschan]);
continue;
} else {
cc[dacschan].chan = dacschan;
cc[dacschan].master = dacschan;
slineno[dacschan] = lineno;
}
cc[x].chan = x;
cc[x].master = x;
slineno[x] = lineno;
if (!strcasecmp(keyword, "e&m")) {
cc[x].sigtype = DAHDI_SIG_EM;
sig[x] = sigtype_to_str(cc[x].sigtype);
} else if (!strcasecmp(keyword, "e&me1")) {
cc[x].sigtype = DAHDI_SIG_EM_E1;
sig[x] = sigtype_to_str(cc[x].sigtype);
} else if (!strcasecmp(keyword, "fxsls")) {
cc[x].sigtype = DAHDI_SIG_FXSLS;
sig[x] = sigtype_to_str(cc[x].sigtype);
} else if (!strcasecmp(keyword, "fxsgs")) {
cc[x].sigtype = DAHDI_SIG_FXSGS;
sig[x] = sigtype_to_str(cc[x].sigtype);
} else if (!strcasecmp(keyword, "fxsks")) {
cc[x].sigtype = DAHDI_SIG_FXSKS;
sig[x] = sigtype_to_str(cc[x].sigtype);
} else if (!strcasecmp(keyword, "fxols")) {
cc[x].sigtype = DAHDI_SIG_FXOLS;
sig[x] = sigtype_to_str(cc[x].sigtype);
} else if (!strcasecmp(keyword, "fxogs")) {
cc[x].sigtype = DAHDI_SIG_FXOGS;
sig[x] = sigtype_to_str(cc[x].sigtype);
} else if (!strcasecmp(keyword, "fxoks")) {
cc[x].sigtype = DAHDI_SIG_FXOKS;
sig[x] = sigtype_to_str(cc[x].sigtype);
} else if (!strcasecmp(keyword, "cas") || !strcasecmp(keyword, "user")) {
if (parse_idle(&cc[x].idlebits, idle))
return -1;
cc[x].sigtype = DAHDI_SIG_CAS;
sig[x] = sigtype_to_str(cc[x].sigtype);
} else if (!strcasecmp(keyword, "dacs")) {
/* Setup channel for monitor */
cc[x].idlebits = dacschan;
cc[x].sigtype = DAHDI_SIG_DACS;
sig[x] = sigtype_to_str(cc[x].sigtype);
/* Setup inverse */
cc[dacschan].idlebits = x;
cc[dacschan].sigtype = DAHDI_SIG_DACS;
sig[x] = sigtype_to_str(cc[dacschan].sigtype);
dacschan++;
} else if (!strcasecmp(keyword, "dacsrbs")) {
/* Setup channel for monitor */
cc[x].idlebits = dacschan;
cc[x].sigtype = DAHDI_SIG_DACS_RBS;
sig[x] = sigtype_to_str(cc[x].sigtype);
/* Setup inverse */
cc[dacschan].idlebits = x;
cc[dacschan].sigtype = DAHDI_SIG_DACS_RBS;
sig[x] = sigtype_to_str(cc[dacschan].sigtype);
dacschan++;
} else if (!strcasecmp(keyword, "unused")) {
cc[x].sigtype = 0;
sig[x] = sigtype_to_str(cc[x].sigtype);
} else if (!strcasecmp(keyword, "indclear") || !strcasecmp(keyword, "bchan")) {
cc[x].sigtype = DAHDI_SIG_CLEAR;
sig[x] = sigtype_to_str(cc[x].sigtype);
} else if (!strcasecmp(keyword, "clear")) {
sig[x] = sigtype_to_str(DAHDI_SIG_CLEAR);
if (master) {
cc[x].sigtype = DAHDI_SIG_SLAVE;
cc[x].master = master;
} else {
cc[x].sigtype = DAHDI_SIG_CLEAR;
master = x;
}
} else if (!strcasecmp(keyword, "rawhdlc")) {
sig[x] = sigtype_to_str(DAHDI_SIG_HDLCRAW);
if (master) {
cc[x].sigtype = DAHDI_SIG_SLAVE;
cc[x].master = master;
} else {
cc[x].sigtype = DAHDI_SIG_HDLCRAW;
master = x;
}
} else if (!strcasecmp(keyword, "nethdlc")) {
sig[x] = sigtype_to_str(DAHDI_SIG_HDLCNET);
memset(cc[x].netdev_name, 0, sizeof(cc[x].netdev_name));
if (master) {
cc[x].sigtype = DAHDI_SIG_SLAVE;
cc[x].master = master;
} else {
cc[x].sigtype = DAHDI_SIG_HDLCNET;
if (idle) {
dahdi_copy_string(cc[x].netdev_name, idle, sizeof(cc[x].netdev_name));
}
master = x;
}
} else if (!strcasecmp(keyword, "fcshdlc")) {
sig[x] = sigtype_to_str(DAHDI_SIG_HDLCFCS);
if (master) {
cc[x].sigtype = DAHDI_SIG_SLAVE;
cc[x].master = master;
} else {
cc[x].sigtype = DAHDI_SIG_HDLCFCS;
master = x;
}
} else if (!strcasecmp(keyword, "dchan")) {
sig[x] = "D-channel";
cc[x].sigtype = DAHDI_SIG_HDLCFCS;
} else if (!strcasecmp(keyword, "hardhdlc")) {
sig[x] = "Hardware assisted D-channel";
cc[x].sigtype = DAHDI_SIG_HARDHDLC;
} else if (!strcasecmp(keyword, "mtp2")) {
sig[x] = "MTP2";
cc[x].sigtype = DAHDI_SIG_MTP2;
} else {
fprintf(stderr, "Huh? (%s)\n", keyword);
}
if (cc[x].sigtype != DAHDI_SIG_CAS &&
cc[x].sigtype != DAHDI_SIG_DACS &&
cc[x].sigtype != DAHDI_SIG_DACS_RBS) {
if (NULL != idle) {
fprintf(stderr, "WARNING: idlebits are not valid on %s channels.\n", sig[x]);
}
}
}
}
return 0;
}
static int setlaw(char *keyword, char *args)
{
int res;
int law;
int x;
int chans[DAHDI_MAX_CHANNELS];
bzero(chans, sizeof(chans));
res = apply_channels(chans, args);
if (res <= 0)
return -1;
if (!strcasecmp(keyword, "alaw")) {
law = DAHDI_LAW_ALAW;
} else if (!strcasecmp(keyword, "mulaw")) {
law = DAHDI_LAW_MULAW;
} else if (!strcasecmp(keyword, "deflaw")) {
law = DAHDI_LAW_DEFAULT;
} else {
fprintf(stderr, "Huh??? Don't know about '%s' law\n", keyword);
return -1;
}
for (x=0;x<DAHDI_MAX_CHANNELS;x++) {
if (chans[x])
cc[x].deflaw = law;
}
return 0;
}
static int setfiftysixkhdlc(char *keyword, char *args)
{
int res;
res = apply_channels(fiftysixkhdlc, args);
if (res <= 0)
return -1;
return 0;
}
static int apply_fiftysix(void)
{
int x;
int rate;
int chanfd;
for (x = 1; x < DAHDI_MAX_CHANNELS; x++) {
if (skip_channel(x) || !cc[x].sigtype)
continue;
chanfd = open("/dev/dahdi/channel", O_RDWR);
if (chanfd == -1) {
fprintf(stderr,
"Couldn't open /dev/dahdi/channel: %s\n",
strerror(errno));
return -1;
}
if (ioctl(chanfd, DAHDI_SPECIFY, &x)) {
close(chanfd);
continue;
}
if (fiftysixkhdlc[x]) {
printf("Setting channel %d to 56K mode (only valid on HDLC channels)\n", x);
rate = 56;
} else {
rate = 64;
}
if (ioctl(chanfd, DAHDI_HDLC_RATE, &rate)) {
fprintf(stderr, "Error setting HDLC rate\n");
exit(-1);
}
close(chanfd);
}
return 0;
}
static int setechocan(char *keyword, char *args)
{
int res;
int chans[DAHDI_MAX_CHANNELS] = { 0, };
char *echocan, *chanlist;
unsigned int x;
echocan = strtok(args, ",");
while ((chanlist = strtok(NULL, ","))) {
res = apply_channels(chans, chanlist);
if (res <= 0) {
return -1;
}
}
for (x = 0; x < DAHDI_MAX_CHANNELS; x++) {
if (chans[x]) {
dahdi_copy_string(ae[x].echocan, echocan, sizeof(ae[x].echocan));
}
}
return 0;
}
static int registerzone(char *keyword, char *args)
{
if (numzones >= DAHDI_TONE_ZONE_MAX) {
error("Too many tone zones specified\n");
return 0;
}
dahdi_copy_string(zonestoload[numzones++], args, sizeof(zonestoload[0]));
return 0;
}
static int defaultzone(char *keyword, char *args)
{
struct tone_zone *z;
if (!(z = tone_zone_find(args))) {
error("No such tone zone known: %s\n", args);
return 0;
}
deftonezone = z->zone;
return 0;
}
#if 0
static int unimplemented(char *keyword, char *args)
{
fprintf(stderr, "Warning: '%s' is not yet implemented\n", keyword);
return 0;
}
#endif
/* Radio functions */
int ctcss(char *keyword, char *args)
{
static char *realargs[10];
int res;
int rxtone;
int rxtag;
int txtone;
int isdcs = 0;
res = parseargs(args, realargs, 3, ',');
if (res != 3) {
error("Incorrect number of arguments to 'ctcss' (should be <rxtone>,<rxtag>,<txtone>)\n");
return -1;
}
res = sscanf(realargs[0], "%d", &rxtone);
if ((res == 1) && (rxtone < 1))
res = -1;
if (res != 1) {
error("Invalid rxtone '%s', should be a number > 0.\n", realargs[0]);
return -1;
}
res = sscanf(realargs[1], "%d", &rxtag);
if ((res == 1) && (rxtag < 0))
res = -1;
if (res != 1) {
error("Invalid rxtag '%s', should be a number > 0.\n", realargs[1]);
return -1;
}
if ((*realargs[2] == 'D') || (*realargs[2] == 'd'))
{
realargs[2]++;
isdcs = 0x8000;
}
res = sscanf(realargs[2], "%d", &txtone);
if ((res == 1) && (rxtag < 0))
res = -1;
if (res != 1) {
error("Invalid txtone '%s', should be a number > 0.\n", realargs[2]);
return -1;
}
if (toneindex >= NUM_TONES)
{
error("Cannot specify more then %d CTCSS tones\n",NUM_TONES);
return -1;
}
rxtones[toneindex] = rxtone;
rxtags[toneindex] = rxtag;
txtones[toneindex] = txtone | isdcs;
toneindex++;
return 0;
}
int dcsrx(char *keyword, char *args)
{
static char *realargs[10];
int res;
int rxtone;
res = parseargs(args, realargs, 1, ',');
if (res != 1) {
error("Incorrect number of arguments to 'dcsrx' (should be <rxtone>)\n");
return -1;
}
res = sscanf(realargs[0], "%d", &rxtone);
if ((res == 1) && (rxtone < 1))
res = -1;
if (res != 1) {
error("Invalid rxtone '%s', should be a number > 0.\n", realargs[0]);
return -1;
}
rxtones[0] = rxtone;
return 0;
}
int tx(char *keyword, char *args)
{
static char *realargs[10];
int res;
int txtone;
int isdcs = 0;
res = parseargs(args, realargs, 1, ',');
if (res != 1) {
error("Incorrect number of arguments to 'tx' (should be <txtone>)\n");
return -1;
}
if ((*realargs[0] == 'D') || (*realargs[0] == 'd'))
{
realargs[0]++;
isdcs = 0x8000;
}
res = sscanf(realargs[0], "%d", &txtone);
if ((res == 1) && (txtone < 1))
res = -1;
if (res != 1) {
error("Invalid tx (tone) '%s', should be a number > 0.\n", realargs[0]);
return -1;
}
txtones[0] = txtone | isdcs;
return 0;
}
int debounce_time(char *keyword, char *args)
{
static char *realargs[10];
int res;
int val;
res = parseargs(args, realargs, 1, ',');
if (res != 1) {
error("Incorrect number of arguments to 'debouncetime' (should be <value>)\n");
return -1;
}
res = sscanf(realargs[0], "%d", &val);
if ((res == 1) && (val < 1))
res = -1;
if (res != 1) {
error("Invalid value '%s', should be a number > 0.\n", realargs[0]);
return -1;
}
debouncetime = val;
return 0;
}
int burst_time(char *keyword, char *args)
{
static char *realargs[10];
int res;
int val;
res = parseargs(args, realargs, 1, ',');
if (res != 1) {
error("Incorrect number of arguments to 'bursttime' (should be <value>)\n");
return -1;
}
res = sscanf(realargs[0], "%d", &val);
if ((res == 1) && (val < 1))
res = -1;
if (res != 1) {
error("Invalid value '%s', should be a number > 0.\n", realargs[0]);
return -1;
}
bursttime = val;
return 0;
}
int tx_gain(char *keyword, char *args)
{
static char *realargs[10];
int res;
int val;
res = parseargs(args, realargs, 1, ',');
if (res != 1) {
error("Incorrect number of arguments to 'txgain' (should be <value>)\n");
return -1;
}
res = sscanf(realargs[0], "%d", &val);
if (res != 1) {
error("Invalid value '%s', should be a number > 0.\n", realargs[0]);
return -1;
}
txgain = val;
return 0;
}
int rx_gain(char *keyword, char *args)
{
static char *realargs[10];
int res;
int val;
res = parseargs(args, realargs, 1, ',');
if (res != 1) {
error("Incorrect number of arguments to 'rxgain' (should be <value>)\n");
return -1;
}
res = sscanf(realargs[0], "%d", &val);
if (res != 1) {
error("Invalid value '%s', should be a number > 0.\n", realargs[0]);
return -1;
}
rxgain = val;
return 0;
}
int de_emp(char *keyword, char *args)
{
static char *realargs[10];
int res;
int val;
res = parseargs(args, realargs, 1, ',');
if (res != 1) {
error("Incorrect number of arguments to 'de-emp' (should be <value>)\n");
return -1;
}
res = sscanf(realargs[0], "%d", &val);
if ((res == 1) && (val < 1))
res = -1;
if (res != 1) {
error("Invalid value '%s', should be a number > 0.\n", realargs[0]);
return -1;
}
deemp = val;
return 0;
}
int pre_emp(char *keyword, char *args)
{
static char *realargs[10];
int res;
int val;
res = parseargs(args, realargs, 1, ',');
if (res != 1) {
error("Incorrect number of arguments to 'pre_emp' (should be <value>)\n");
return -1;
}
res = sscanf(realargs[0], "%d", &val);
if ((res == 1) && (val < 1))
res = -1;
if (res != 1) {
error("Invalid value '%s', should be a number > 0.\n", realargs[0]);
return -1;
}
preemp = val;
return 0;
}
int invert_cor(char *keyword, char *args)
{
static char *realargs[10];
int res;
int val;
res = parseargs(args, realargs, 1, ',');
if (res != 1) {
error("Incorrect number of arguments to 'invertcor' (should be <value>)\n");
return -1;
}
if ((*realargs[0] == 'y') || (*realargs[0] == 'Y')) val = 1;
else if ((*realargs[0] == 'n') || (*realargs[0] == 'N')) val = 0;
else
{
res = sscanf(realargs[0], "%d", &val);
if ((res == 1) && (val < 0))
res = -1;
if (res != 1) {
error("Invalid value '%s', should be a number > 0.\n", realargs[0]);
return -1;
}
}
invertcor = (val > 0);
return 0;
}
int ext_tone(char *keyword, char *args)
{
static char *realargs[10];
int res;
int val;
res = parseargs(args, realargs, 1, ',');
if (res != 1) {
error("Incorrect number of arguments to 'exttone' (should be <value>)\n");
return -1;
}
if ((*realargs[0] == 'y') || (*realargs[0] == 'Y')) val = 1;
else if ((*realargs[0] == 'n') || (*realargs[0] == 'N')) val = 0;
else if ((*realargs[0] == 'i') || (*realargs[0] == 'I')) val = 2;
else
{
res = sscanf(realargs[0], "%d", &val);
if ((res == 1) && (val < 0))
res = -1;
if (val > 2) res = -1;
if (res != 1) {
error("Invalid value '%s', should be a number > 0.\n", realargs[0]);
return -1;
}
}
exttone = val;
return 0;
}
int cor_thresh(char *keyword, char *args)
{
static char *realargs[10];
int res;
int val;
int x = 0;
res = parseargs(args, realargs, 1, ',');
if (res != 1) {
error("Incorrect number of arguments to 'corthresh' (should be <value>)\n");
return -1;
}
res = sscanf(realargs[0], "%d", &val);
if ((res == 1) && (val < 1))
res = -1;
for(x = 0; corthreshes[x]; x++)
{
if (corthreshes[x] == val) break;
}
if (!corthreshes[x]) res = -1;
if (res != 1) {
error("Invalid value '%s', should be a number > 0.\n", realargs[0]);
return -1;
}
corthresh = x + 1;
return 0;
}
static int rad_chanconfig(char *keyword, char *args)
{
int chans[DAHDI_MAX_CHANNELS];
int res = 0;
int x,i,n;
struct dahdi_radio_param p;
int chanfd;
toneindex = 1;
bzero(chans, sizeof(chans));
res = apply_channels(chans, args);
if (res <= 0)
return -1;
for (x=1;x<DAHDI_MAX_CHANNELS;x++) {
if (chans[x]) {
const char *CHANNEL_FILENAME = "/dev/dahdi/channel";
chanfd = open(CHANNEL_FILENAME, O_RDWR);
if (-1 == chanfd) {
error("Failed to open '%s'.\n", CHANNEL_FILENAME);
exit(-1);
}
res = ioctl(chanfd, DAHDI_SPECIFY, &x);
if (res) {
error("Failed to open channel %d.\n", x);
close(chanfd);
continue;
}
p.radpar = DAHDI_RADPAR_NUMTONES;
if (ioctl(chanfd,DAHDI_RADIO_GETPARAM,&p) == -1)
n = 0;
else
n = p.data;
if (n)
{
p.radpar = DAHDI_RADPAR_INITTONE;
if (ioctl(chanfd,DAHDI_RADIO_SETPARAM,&p) == -1) {
error("Cannot init tones for channel %d\n",x);
}
if (!rxtones[0]) for(i = 1; i <= n; i++)
{
if (rxtones[i])
{
p.radpar = DAHDI_RADPAR_RXTONE;
p.index = i;
p.data = rxtones[i];
if (ioctl(chanfd,DAHDI_RADIO_SETPARAM,&p) == -1)
error("Cannot set rxtone on channel %d\n",x);
}
if (rxtags[i])
{
p.radpar = DAHDI_RADPAR_RXTONECLASS;
p.index = i;
p.data = rxtags[i];
if (ioctl(chanfd,DAHDI_RADIO_SETPARAM,&p) == -1)
error("Cannot set rxtag on channel %d\n",x);
}
if (txtones[i])
{
p.radpar = DAHDI_RADPAR_TXTONE;
p.index = i;
p.data = txtones[i];
if (ioctl(chanfd,DAHDI_RADIO_SETPARAM,&p) == -1)
error("Cannot set txtone on channel %d\n",x);
}
} else { /* if we may have DCS receive */
if (rxtones[0])
{
p.radpar = DAHDI_RADPAR_RXTONE;
p.index = 0;
p.data = rxtones[0];
if (ioctl(chanfd,DAHDI_RADIO_SETPARAM,&p) == -1)
error("Cannot set DCS rxtone on channel %d\n",x);
}
}
if (txtones[0])
{
p.radpar = DAHDI_RADPAR_TXTONE;
p.index = 0;
p.data = txtones[0];
if (ioctl(chanfd,DAHDI_RADIO_SETPARAM,&p) == -1)
error("Cannot set default txtone on channel %d\n",x);
}
}
if (debouncetime)
{
p.radpar = DAHDI_RADPAR_DEBOUNCETIME;
p.data = debouncetime;
if (ioctl(chanfd,DAHDI_RADIO_SETPARAM,&p) == -1)
error("Cannot set debouncetime on channel %d\n",x);
}
if (bursttime)
{
p.radpar = DAHDI_RADPAR_BURSTTIME;
p.data = bursttime;
if (ioctl(chanfd,DAHDI_RADIO_SETPARAM,&p) == -1)
error("Cannot set bursttime on channel %d\n",x);
}
p.radpar = DAHDI_RADPAR_DEEMP;
p.data = deemp;
ioctl(chanfd,DAHDI_RADIO_SETPARAM,&p);
p.radpar = DAHDI_RADPAR_PREEMP;
p.data = preemp;
ioctl(chanfd,DAHDI_RADIO_SETPARAM,&p);
p.radpar = DAHDI_RADPAR_TXGAIN;
p.data = txgain;
ioctl(chanfd,DAHDI_RADIO_SETPARAM,&p);
p.radpar = DAHDI_RADPAR_RXGAIN;
p.data = rxgain;
ioctl(chanfd,DAHDI_RADIO_SETPARAM,&p);
p.radpar = DAHDI_RADPAR_INVERTCOR;
p.data = invertcor;
ioctl(chanfd,DAHDI_RADIO_SETPARAM,&p);
p.radpar = DAHDI_RADPAR_EXTRXTONE;
p.data = exttone;
ioctl(chanfd,DAHDI_RADIO_SETPARAM,&p);
if (corthresh)
{
p.radpar = DAHDI_RADPAR_CORTHRESH;
p.data = corthresh - 1;
if (ioctl(chanfd,DAHDI_RADIO_SETPARAM,&p) == -1)
error("Cannot set corthresh on channel %d\n",x);
}
close(chanfd);
}
}
clear_fields();
return 0;
}
/* End Radio functions */
static void printconfig(int fd)
{
int x,y;
int ps;
int configs=0;
struct dahdi_versioninfo vi;
strcpy(vi.version, "Unknown");
strcpy(vi.echo_canceller, "Unknown");
if (ioctl(fd, DAHDI_GETVERSION, &vi))
error("Unable to read DAHDI version information.\n");
printf("\nDAHDI Version: %s\n"
"Echo Canceller(s): %s\n"
"Configuration\n"
"======================\n\n", vi.version, vi.echo_canceller);
for (x = 0; x < spans; x++) {
if (only_span && only_span != lc[x].span)
continue;
printf("SPAN %d: %3s/%4s Build-out: %s\n",
lc[x].span,
(lc[x].lineconfig & DAHDI_CONFIG_D4 ? "D4" :
lc[x].lineconfig & DAHDI_CONFIG_ESF ? "ESF" :
lc[x].lineconfig & DAHDI_CONFIG_CCS ? "CCS" : "CAS"),
(lc[x].lineconfig & DAHDI_CONFIG_AMI ? "AMI" :
lc[x].lineconfig & DAHDI_CONFIG_B8ZS ? "B8ZS" :
lc[x].lineconfig & DAHDI_CONFIG_HDB3 ? "HDB3" : "???"),
lbostr[lc[x].lbo]);
}
for (x=0;x<numdynamic;x++) {
printf("Dynamic span %d: driver %s, addr %s, channels %d, timing %d\n",
x +1, zds[x].driver, zds[x].addr, zds[x].numchans, zds[x].timing);
}
if (verbose > 1) {
printf("\nChannel map:\n\n");
for (x=1;x<DAHDI_MAX_CHANNELS;x++) {
if (skip_channel(x))
continue;
if ((cc[x].sigtype != DAHDI_SIG_SLAVE) && (cc[x].sigtype)) {
configs++;
ps = 0;
if ((cc[x].sigtype & __DAHDI_SIG_DACS) == __DAHDI_SIG_DACS)
printf("Channel %02d %s to %02d", x, sig[x], cc[x].idlebits);
else {
printf("Channel %02d: %s (%s)", x, sig[x], laws[cc[x].deflaw]);
printf(" (Echo Canceler: %s)", ae[x].echocan[0] ? ae[x].echocan : "none");
for (y=1;y<DAHDI_MAX_CHANNELS;y++) {
if (cc[y].master == x) {
printf("%s%02d", ps++ ? " " : " (Slaves: ", y);
}
}
}
if (ps)
printf(")\n");
else
printf("\n");
} else
if (cc[x].sigtype) configs++;
}
} else {
for (x=1;x<DAHDI_MAX_CHANNELS;x++) {
if (skip_channel(x))
continue;
if (cc[x].sigtype)
configs++;
}
}
printf("\n%d channels to configure.\n\n", configs);
}
static struct handler {
char *keyword;
int (*func)(char *keyword, char *args);
} handlers[] = {
{ "span", spanconfig },
{ "dynamic", dspanconfig },
{ "loadzone", registerzone },
{ "defaultzone", defaultzone },
{ "e&m", chanconfig },
{ "e&me1", chanconfig },
{ "fxsls", chanconfig },
{ "fxsgs", chanconfig },
{ "fxsks", chanconfig },
{ "fxols", chanconfig },
{ "fxogs", chanconfig },
{ "fxoks", chanconfig },
{ "rawhdlc", chanconfig },
{ "nethdlc", chanconfig },
{ "fcshdlc", chanconfig },
{ "hardhdlc", chanconfig },
{ "mtp2", chanconfig },
{ "dchan", chanconfig },
{ "bchan", chanconfig },
{ "indclear", chanconfig },
{ "clear", chanconfig },
{ "unused", chanconfig },
{ "cas", chanconfig },
{ "dacs", chanconfig },
{ "dacsrbs", chanconfig },
{ "user", chanconfig },
{ "alaw", setlaw },
{ "mulaw", setlaw },
{ "deflaw", setlaw },
{ "ctcss", ctcss },
{ "dcsrx", dcsrx },
{ "rxdcs", dcsrx },
{ "tx", tx },
{ "debouncetime", debounce_time },
{ "bursttime", burst_time },
{ "exttone", ext_tone },
{ "invertcor", invert_cor },
{ "corthresh", cor_thresh },
{ "rxgain", rx_gain },
{ "txgain", tx_gain },
{ "deemp", de_emp },
{ "preemp", pre_emp },
{ "channel", rad_chanconfig },
{ "channels", rad_chanconfig },
{ "echocanceller", setechocan },
{ "56k", setfiftysixkhdlc },
};
static char *readline()
{
static char buf[256];
char *c;
do {
if (!fgets(buf, sizeof(buf), cf))
return NULL;
/* Strip comments */
c = strchr(buf, '#');
if (c)
*c = '\0';
trim(buf);
lineno++;
} while (!strlen(buf));
return buf;
}
static void usage(char *argv0, int exitcode)
{
char *c;
c = strrchr(argv0, '/');
if (!c)
c = argv0;
else
c++;
fprintf(stderr, "%s\n", dahdi_tools_version);
fprintf(stderr,
"Usage: %s [options]\n"
" Valid options are:\n"
" -c <filename> -- Use <filename> instead of " CONFIG_FILENAME "\n"
" -d [level] -- Generate debugging output. (Default level is 1.)\n"
" -f -- Always reconfigure every channel\n"
" -h -- Generate this help statement\n"
" -s -- Shutdown spans only\n"
" -t -- Test mode only, do not apply\n"
" -C <chan_list> -- Only configure specified channels\n"
" -S <spanno> -- Only configure specified span\n"
" -v -- Verbose (more -v's means more verbose)\n"
,c);
exit(exitcode);
}
static int chan_restrict(char *str)
{
if (apply_channels(selected_channels, str) < 0)
return 0;
restrict_channels = 1;
return 1;
}
static int span_restrict(char *str)
{
long spanno;
char *endptr;
spanno = strtol(str, &endptr, 10);
if (endptr == str) {
fprintf(stderr, "Missing valid span number after '-S'\n");
return 0;
}
if (*endptr != '\0') {
fprintf(stderr, "Extra garbage after span number in '-S'\n");
return 0;
}
only_span = spanno;
return 1;
}
static const char *SEM_NAME = "dahdi_cfg";
static sem_t *lock = SEM_FAILED;
static void signal_handler(int signal)
{
if (SEM_FAILED != lock) {
sem_unlink(SEM_NAME);
}
/* The default handler should have been restored before this handler was
* called, so we can let the "normal" processing finish the cleanup. */
raise(signal);
}
int main(int argc, char *argv[])
{
int c;
char *buf;
char *key, *value;
int x,found;
int exit_code = 0;
struct sigaction act;
while((c = getopt(argc, argv, "fthc:vsd::C:S:")) != -1) {
switch(c) {
case 'c':
filename=optarg;
break;
case 'h':
usage(argv[0], 0);
break;
case '?':
usage(argv[0], 1);
break;
case 'v':
verbose++;
break;
case 'f':
force++;
break;
case 't':
dry_run = 1;
break;
case 's':
stopmode = 1;
break;
case 'C':
if (!chan_restrict(optarg))
usage(argv[0], 1);
break;
case 'S':
if (!span_restrict(optarg))
usage(argv[0], 1);
break;
case 'd':
if (optarg)
debug = atoi(optarg);
else
debug = 1;
break;
}
}
if (verbose) {
fprintf(stderr, "%s\n", dahdi_tools_version);
}
if (!restrict_channels && only_span) {
error("-S requires -C\n");
goto finish;
}
if (!restrict_channels && !only_span) {
bool all_assigned = wait_for_all_spans_assigned(5);
if (!all_assigned) {
fprintf(stderr,
"Timeout waiting for all spans to be assigned.\n");
}
}
if (fd == -1) fd = open(MASTER_DEVICE, O_RDWR);
if (fd < 0) {
error("Unable to open master device '%s'\n", MASTER_DEVICE);
goto finish;
}
if (strcmp(filename, "-") == 0)
cf = fdopen(STDIN_FILENO, "r");
else
cf = fopen(filename, "r");
if (cf) {
while((buf = readline())) {
if (*buf == 10) /* skip new line */
continue;
if (debug & DEBUG_READER)
fprintf(stderr, "Line %d: %s\n", lineno, buf);
if ((value = strchr(buf, '='))) {
*value++ = '\0';
value = trim(value);
key = trim(buf);
}
if (!value || !*value || !*key) {
error("Syntax error. Should be <keyword>=<value>\n");
continue;
}
if (debug & DEBUG_PARSER)
fprintf(stderr, "Keyword: [%s], Value: [%s]\n", key, value);
found = 0;
for (x = 0; x < sizeof(handlers) / sizeof(handlers[0]); x++) {
if (!strcasecmp(key, handlers[x].keyword)) {
found++;
handlers[x].func(key, value);
break;
}
}
if (!found)
error("Unknown keyword '%s'\n", key);
}
if (debug & DEBUG_READER)
fprintf(stderr, "<End of File>\n");
/* fclose(cf); // causes seg fault (double free) */
} else {
error("Unable to open configuration file '%s'\n", filename);
}
finish:
if (errcnt) {
fprintf(stderr, "\n%d error(s) detected\n\n", errcnt);
exit(1);
}
if (verbose) {
printconfig(fd);
}
if (dry_run)
exit(0);
if (debug & DEBUG_APPLY) {
printf("About to open Master device\n");
fflush(stdout);
}
sigemptyset(&act.sa_mask);
act.sa_handler = signal_handler;
act.sa_flags = SA_RESETHAND;
if (sigaction(SIGTERM, &act, NULL) == -1) {
perror("Failed to install SIGTERM handler.");
exit(1);
}
if (sigaction(SIGINT, &act, NULL) == -1) {
perror("Failed to install SIGINT handler.");
exit(1);
}
lock = sem_open(SEM_NAME, O_CREAT, O_RDWR, 1);
if (SEM_FAILED == lock) {
perror("Unable to create 'dahdi_cfg' mutex");
exit_code = 1;
goto release_sem;
}
if (-1 == sem_wait(lock)) {
perror("Failed to wait for 'dahdi_cfg' mutex");
exit_code = 1;
goto unlink_sem;
}
if (!restrict_channels && !only_span) {
for (x=0;x<numdynamic;x++) {
/* destroy them all */
ioctl(fd, DAHDI_DYNAMIC_DESTROY, &zds[x]);
}
}
if (stopmode) {
for (x=0;x<spans;x++) {
if (only_span && lc[x].span != only_span)
continue;
if (ioctl(fd, DAHDI_SHUTDOWN, &lc[x].span)) {
fprintf(stderr, "DAHDI shutdown failed: %s\n", strerror(errno));
close(fd);
exit_code = 1;
goto release_sem;
}
}
exit_code = 1;
goto release_sem;
}
for (x=0;x<spans;x++) {
if (only_span && lc[x].span != only_span)
continue;
if (ioctl(fd, DAHDI_SPANCONFIG, lc + x)) {
fprintf(stderr, "DAHDI_SPANCONFIG failed on span %d: %s (%d)\n", lc[x].span, strerror(errno), errno);
close(fd);
exit_code = 1;
goto release_sem;
}
}
if (!restrict_channels && !only_span) {
sem_post(lock);
for (x=0;x<numdynamic;x++) {
if (ioctl(fd, DAHDI_DYNAMIC_CREATE, &zds[x])) {
fprintf(stderr, "DAHDI dynamic span creation failed: %s\n", strerror(errno));
close(fd);
exit_code = 1;
goto release_sem;
}
wait_for_all_spans_assigned(1);
}
if (-1 == sem_wait(lock)) {
perror("Failed to wait for 'dahdi_cfg' mutex after creating dynamic spans");
exit_code = 1;
goto unlink_sem;
}
}
for (x=1;x<DAHDI_MAX_CHANNELS;x++) {
struct dahdi_params current_state;
int master;
int needupdate = force;
if (skip_channel(x)) {
if (debug & DEBUG_APPLY) {
printf("Skip device %d\n", x);
fflush(stdout);
}
continue;
}
if (debug & DEBUG_APPLY) {
printf("Configuring device %d\n", x);
fflush(stdout);
}
if (!cc[x].sigtype)
continue;
if (!needupdate) {
memset(&current_state, 0, sizeof(current_state));
current_state.channo = cc[x].chan | DAHDI_GET_PARAMS_RETURN_MASTER;
if (ioctl(fd, DAHDI_GET_PARAMS, &current_state))
needupdate = 1;
}
if (!needupdate) {
master = current_state.channo >> 16;
if (cc[x].sigtype != current_state.sigtype) {
needupdate++;
if (verbose > 1)
printf("Changing signalling on channel %d from %s to %s\n",
cc[x].chan, sigtype_to_str(current_state.sigtype),
sigtype_to_str(cc[x].sigtype));
}
if ((cc[x].deflaw != DAHDI_LAW_DEFAULT) && (cc[x].deflaw != current_state.curlaw)) {
needupdate++;
if (verbose > 1)
printf("Changing law on channel %d from %s to %s\n",
cc[x].chan, laws[current_state.curlaw],
laws[cc[x].deflaw]);
}
if (cc[x].master != master) {
needupdate++;
if (verbose > 1)
printf("Changing master of channel %d from %d to %d\n",
cc[x].chan, master,
cc[x].master);
}
if (cc[x].idlebits != current_state.idlebits) {
needupdate++;
if (verbose > 1)
printf("Changing idle bits of channel %d from %d to %d\n",
cc[x].chan, current_state.idlebits,
cc[x].idlebits);
}
}
if (needupdate && ioctl(fd, DAHDI_CHANCONFIG, &cc[x])) {
fprintf(stderr, "DAHDI_CHANCONFIG failed on channel %d: %s (%d)\n", x, strerror(errno), errno);
if (errno == EINVAL) {
/* give helpful suggestions on signaling errors */
fprintf(stderr, "Selected signaling not "
"supported\n");
fprintf(stderr, "Possible causes:\n");
switch(cc[x].sigtype) {
case DAHDI_SIG_FXOKS:
case DAHDI_SIG_FXOLS:
case DAHDI_SIG_FXOGS:
fprintf(stderr, "\tFXO signaling is "
"being used on a FXO interface"
" (use a FXS signaling variant"
")\n");
fprintf(stderr, "\tRBS signaling is "
"being used on a E1 CCS span"
"\n");
break;
case DAHDI_SIG_FXSKS:
case DAHDI_SIG_FXSLS:
case DAHDI_SIG_FXSGS:
fprintf(stderr, "\tFXS signaling is "
"being used on a FXS interface"
" (use a FXO signaling variant"
")\n");
fprintf(stderr, "\tRBS signaling is "
"being used on a E1 CCS span"
"\n");
break;
case DAHDI_SIG_EM:
fprintf(stderr, "\te&m signaling is "
"being used on a E1 line (use"
" e&me1)\n");
break;
case DAHDI_SIG_EM_E1:
fprintf(stderr, "\te&me1 signaling is "
"being used on a T1 line (use "
"e&m)\n");
fprintf(stderr, "\tRBS signaling is "
"being used on a E1 CCS span"
"\n");
break;
case DAHDI_SIG_HARDHDLC:
fprintf(stderr, "\thardhdlc is being "
"used on a TE12x (use dchan)\n"
);
break;
case DAHDI_SIG_HDLCFCS:
fprintf(stderr, "\tdchan is being used"
" on a BRI span (use hardhdlc)"
"\n");
break;
default:
break;
}
fprintf(stderr, "\tSignaling is being assigned"
" to channel 16 of an E1 CAS span\n");
}
close(fd);
exit_code = 1;
goto release_sem;
}
ae[x].chan = x;
if (verbose) {
printf("Setting echocan for channel %d to %s\n", ae[x].chan, ae[x].echocan[0] ? ae[x].echocan : "none");
}
if (ioctl(fd, DAHDI_ATTACH_ECHOCAN, &ae[x])) {
fprintf(stderr, "DAHDI_ATTACH_ECHOCAN failed on channel %d: %s (%d)\n", x, strerror(errno), errno);
close(fd);
exit_code = 1;
goto release_sem;
}
}
if (0 == numzones) {
/* Default to the us zone if one wasn't specified. */
dahdi_copy_string(zonestoload[numzones++], "us", sizeof(zonestoload[0]));
deftonezone = 0;
}
for (x=0;x<numzones;x++) {
if (debug & DEBUG_APPLY) {
printf("Loading tone zone for %s\n", zonestoload[x]);
fflush(stdout);
}
if (tone_zone_register(fd, zonestoload[x])) {
if (errno != EBUSY)
error("Unable to register tone zone '%s'\n", zonestoload[x]);
}
}
if (debug & DEBUG_APPLY) {
printf("Doing startup\n");
fflush(stdout);
}
if (deftonezone > -1) {
if (ioctl(fd, DAHDI_DEFAULTZONE, &deftonezone)) {
fprintf(stderr, "DAHDI_DEFAULTZONE failed: %s (%d)\n", strerror(errno), errno);
close(fd);
exit_code = 1;
goto release_sem;
}
}
for (x=0;x<spans;x++) {
if (only_span && lc[x].span != only_span)
continue;
if (ioctl(fd, DAHDI_STARTUP, &lc[x].span)) {
fprintf(stderr, "DAHDI startup failed: %s\n", strerror(errno));
close(fd);
exit_code = 1;
goto release_sem;
}
}
exit_code = apply_fiftysix();
release_sem:
if (SEM_FAILED != lock)
sem_post(lock);
unlink_sem:
if (SEM_FAILED != lock)
sem_unlink(SEM_NAME);
exit(exit_code);
}