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Made chan_dahdi able to ignore incoming calls that are not in a MSN list for ISDN PTMP CPE spans.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@215757 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Richard Mudgett
2009-09-02 23:25:33 +00:00
parent a83cf36204
commit 595ab444af
5 changed files with 57 additions and 0 deletions
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42
channels/sig_pri.c
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@@ -999,6 +999,39 @@ void pri_event_noalarm(struct sig_pri_pri *pri, int index, int before_start_pri)
pri_restart(pri->dchans[index]);
}
/*!
* \internal
* \brief Determine if the given extension matches one of the MSNs in the pattern list.
* \since 1.6.3
*
* \param msn_patterns Comma separated list of MSN patterns to match.
* \param exten Extension to match in the MSN list.
*
* \retval 1 if matches.
* \retval 0 if no match.
*/
static int sig_pri_msn_match(const char *msn_patterns, const char *exten)
{
char *pattern;
char *msn_list;
char *list_tail;
msn_list = strdupa(msn_patterns);
list_tail = NULL;
pattern = strtok_r(msn_list, ",", &list_tail);
while (pattern) {
pattern = ast_strip(pattern);
if (!ast_strlen_zero(pattern) && ast_extension_match(pattern, exten)) {
/* Extension matched the pattern. */
return 1;
}
pattern = strtok_r(NULL, ",", &list_tail);
}
/* Did not match any pattern in the list. */
return 0;
}
/*!
* \internal
* \brief Obtain the sig_pri owner channel lock if the owner exists.
@@ -1621,6 +1654,15 @@ static void *pri_dchannel(void *vpri)
break;
#endif
case PRI_EVENT_RING:
if (!ast_strlen_zero(pri->msn_list)
&& !sig_pri_msn_match(pri->msn_list, e->ring.callednum)) {
/* The call is not for us so ignore it. */
ast_verb(3,
"Ignoring call to '%s' on span %d. Its not in the MSN list: %s\n",
e->ring.callednum, pri->span, pri->msn_list);
pri_destroycall(pri->pri, e->ring.call);
break;
}
if (e->ring.channel == -1)
chanpos = pri_find_empty_chan(pri, 1);
else