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Hangup handlers - Dialplan subroutines that run when the channel hangs up.

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Hangup handlers are an alternative to the h extension.  They can be used
in addition to the h extension.  The idea is to attach a Gosub routine to
a channel that will execute when the call hangs up.  Whereas which h
extension gets executed depends on the location of dialplan execution when
the call hangs up, hangup handlers are attached to the call channel.  You
can attach multiple handlers that will execute in the order of most
recently added first.

(closes issue ASTERISK-19549)
Reported by: Mark Murawski
Tested by: rmudgett

Review: https://reviewboard.asterisk.org/r/2002/


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@369493 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Richard Mudgett
2012-06-29 17:02:32 +00:00
parent 35c533156c
commit ac35b92b62
14 changed files with 628 additions and 183 deletions
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34
funcs/func_channel.c
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@@ -98,6 +98,29 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
<enum name="checkhangup">
<para>R/O Whether the channel is hanging up (1/0)</para>
</enum>
<enum name="hangup_handler_pop">
<para>W/O Replace the most recently added hangup handler
with a new hangup handler on the channel if supplied. The
assigned string is passed to the Gosub application when
the channel is hung up. Any optionally omitted context
and exten are supplied by the channel pushing the handler
before it is pushed.</para>
</enum>
<enum name="hangup_handler_push">
<para>W/O Push a hangup handler onto the channel hangup
handler stack. The assigned string is passed to the
Gosub application when the channel is hung up. Any
optionally omitted context and exten are supplied by the
channel pushing the handler before it is pushed.</para>
</enum>
<enum name="hangup_handler_wipe">
<para>W/O Wipe the entire hangup handler stack and replace
with a new hangup handler on the channel if supplied. The
assigned string is passed to the Gosub application when
the channel is hung up. Any optionally omitted context
and exten are supplied by the channel pushing the handler
before it is pushed.</para>
</enum>
<enum name="language">
<para>R/W language for sounds played.</para>
</enum>
@@ -523,6 +546,17 @@ static int func_channel_write_real(struct ast_channel *chan, const char *functio
break;
}
}
} else if (!strcasecmp(data, "hangup_handler_pop")) {
/* Pop one hangup handler before pushing the new handler. */
ast_pbx_hangup_handler_pop(chan);
ast_pbx_hangup_handler_push(chan, value);
} else if (!strcasecmp(data, "hangup_handler_push")) {
ast_pbx_hangup_handler_push(chan, value);
} else if (!strcasecmp(data, "hangup_handler_wipe")) {
/* Pop all hangup handlers before pushing the new handler. */
while (ast_pbx_hangup_handler_pop(chan)) {
}
ast_pbx_hangup_handler_push(chan, value);
} else if (!strncasecmp(data, "secure_bridge_", 14)) {
struct ast_datastore *ds;
struct ast_secure_call_store *store;