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chan_pjsip: Add PJSIPHangup dialplan app and manager action

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See UserNote below.

Exposed the existing Hangup AMI action in manager.c so we can use
all of it's channel search and AMI protocol handling without
duplicating that code in dialplan_functions.c.

Added a lookup function to res_pjsip.c that takes in the
string represenation of the pjsip_status_code enum and returns
the actual status code.  I.E.  ast_sip_str2rc("DECLINE") returns
603.  This allows the caller to specify PJSIPHangup(decline) in
the dialplan, just like Hangup(call_rejected).

Also extracted the XML documentation to its own file since it was
almost as large as the code itself.

UserNote: A new dialplan app PJSIPHangup and AMI action allows you
to hang up an unanswered incoming PJSIP call with a specific SIP
response code in the 400 -> 699 range.

(cherry picked from commit cd77953172)
This commit is contained in:
George Joseph
2023-10-31 15:08:14 -06:00
committed by Asterisk Development Team
parent f96d7ef7b5
commit 94f931a6d7
8 changed files with 992 additions and 562 deletions
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18
main/manager.c
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@@ -4649,7 +4649,9 @@ static int action_challenge(struct mansession *s, const struct message *m)
return 0;
}
static int action_hangup(struct mansession *s, const struct message *m)
int ast_manager_hangup_helper(struct mansession *s,
const struct message *m, manager_hangup_handler_t hangup_handler,
manager_hangup_cause_validator_t cause_validator)
{
struct ast_channel *c = NULL;
int causecode = 0; /* all values <= 0 mean 'do not set hangupcause in channel' */
@@ -4673,7 +4675,9 @@ static int action_hangup(struct mansession *s, const struct message *m)
idText[0] = '\0';
}
if (!ast_strlen_zero(cause)) {
if (cause_validator) {
causecode = cause_validator(name_or_regex, cause);
} else if (!ast_strlen_zero(cause)) {
char *endptr;
causecode = strtol(cause, &endptr, 10);
if (causecode < 0 || causecode > 127 || *endptr != '\0') {
@@ -4700,7 +4704,7 @@ static int action_hangup(struct mansession *s, const struct message *m)
ast_sockaddr_stringify_addr(&s->session->addr),
ast_channel_name(c));
ast_channel_softhangup_withcause_locked(c, causecode);
hangup_handler(c, causecode);
c = ast_channel_unref(c);
astman_send_ack(s, m, "Channel Hungup");
@@ -4746,7 +4750,7 @@ static int action_hangup(struct mansession *s, const struct message *m)
ast_sockaddr_stringify_addr(&s->session->addr),
ast_channel_name(c));
ast_channel_softhangup_withcause_locked(c, causecode);
hangup_handler(c, causecode);
channels_matched++;
astman_append(s,
@@ -4766,6 +4770,12 @@ static int action_hangup(struct mansession *s, const struct message *m)
return 0;
}
static int action_hangup(struct mansession *s, const struct message *m)
{
return ast_manager_hangup_helper(s, m,
ast_channel_softhangup_withcause_locked, NULL);
}
static int action_setvar(struct mansession *s, const struct message *m)
{
struct ast_channel *c = NULL;