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res_pjsip_notify: Add option support for AMI.

Browse Source 
The PJSIP notify CLI commands allow for using
"options" configured in pjsip_notify.conf.

This allows these same options to be used in
AMI actions as well.

Additionally, as part of this improvement,
some repetitive common code is refactored.

ASTERISK-30263 #close

Change-Id: Ie4496b322b63b61eaf9672183a959ab99a04b6b5
pull/30/head
Naveen Albert 3 years ago committed by George Joseph
parent 99a4333f20
commit 005b6c8d50
2 changed files with 102 additions and 67 deletions
Show Stats Download Patch File Download Diff File

4
doc/CHANGES-staging/res_pjsip_notify_options.txt
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@ -0,0 +1,4 @@
Subject: res_pjsip_notify
Allows using the config options in pjsip_notify.conf
from AMI actions as with the existing CLI commands.

163
res/res_pjsip_notify.c
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@ -52,11 +52,16 @@
<parameter name="channel" required="false">
<para>Channel name to send the NOTIFY. Must be a PJSIP channel.</para>
</parameter>
<parameter name="Variable" required="true">
<parameter name="Option" required="false">
<para>The config section name from <literal>pjsip_notify.conf</literal> to use.</para>
<para>One of Option or Variable must be specified.</para>
</parameter>
<parameter name="Variable" required="false">
<para>Appends variables as headers/content to the NOTIFY. If the variable is
named <literal>Content</literal>, then the value will compose the body
of the message if another variable sets <literal>Content-Type</literal>.
<replaceable>name</replaceable>=<replaceable>value</replaceable></para>
<para>One of Option or Variable must be specified.</para>
</parameter>
</syntax>
<description>
@ -1071,40 +1076,40 @@ static struct ast_cli_entry cli_options[] = {
AST_CLI_DEFINE(cli_notify, "Send a NOTIFY request to a SIP endpoint")
};
/*!
* \internal
* \brief Completes SIPNotify AMI command in Endpoint mode.
*/
static void manager_notify_endpoint(struct mansession *s,
const struct message *m, const char *endpoint_name)
{
struct ast_variable *vars = astman_get_variables_order(m, ORDER_NATURAL);
if (!strncasecmp(endpoint_name, "sip/", 4)) {
endpoint_name += 4;
}
if (!strncasecmp(endpoint_name, "pjsip/", 6)) {
endpoint_name += 6;
}
enum notify_type {
NOTIFY_ENDPOINT,
NOTIFY_URI,
NOTIFY_CHANNEL,
};
switch (push_notify(endpoint_name, vars, notify_ami_data_create)) {
static void manager_send_response(struct mansession *s, const struct message *m, enum notify_type type, enum notify_result res, struct ast_variable *vars, const char *endpoint_name)
{
switch (res) {
case INVALID_CHANNEL:
if (type == NOTIFY_CHANNEL) {
ast_variables_destroy(vars);
astman_send_error(s, m, "Channel not found");
} else {
/* Shouldn't be possible. */
ast_assert(0);
}
break;
case INVALID_ENDPOINT:
if (type == NOTIFY_ENDPOINT) {
ast_variables_destroy(vars);
astman_send_error_va(s, m, "Unable to retrieve endpoint %s",
endpoint_name);
astman_send_error_va(s, m, "Unable to retrieve endpoint %s", endpoint_name);
} else {
/* Shouldn't be possible. */
ast_assert(0);
}
break;
case ALLOC_ERROR:
ast_variables_destroy(vars);
astman_send_error(s, m, "Unable to allocate NOTIFY task data");
break;
case TASK_PUSH_ERROR:
/* Don't need to destroy vars since it is handled by cleanup in push_notify */
astman_send_error(s, m, "Unable to push NOTIFY task");
/* Don't need to destroy vars since it is handled by cleanup in push_notify, push_notify_uri, etc. */
astman_send_error(s, m, "Unable to push Notify task");
break;
case SUCCESS:
astman_send_ack(s, m, "NOTIFY sent");
@ -1112,6 +1117,44 @@ static void manager_notify_endpoint(struct mansession *s,
}
}
/*!
* \internal
* \brief Completes SIPNotify AMI command in Endpoint mode.
*/
static void manager_notify_endpoint(struct mansession *s,
const struct message *m, const char *endpoint_name)
{
RAII_VAR(struct notify_cfg *, cfg, NULL, ao2_cleanup);
RAII_VAR(struct notify_option *, option, NULL, ao2_cleanup);
struct ast_variable *vars = NULL;
enum notify_result res;
const char *option_name = astman_get_header(m, "Option");
if (!ast_strlen_zero(option_name) && (cfg = ao2_global_obj_ref(globals)) && !(option = notify_option_find(cfg->notify_options, option_name))) {
astman_send_error_va(s, m, "Unable to find notify type '%s'\n", option_name);
return;
}
if (!option) {
vars = astman_get_variables_order(m, ORDER_NATURAL);
}
if (!strncasecmp(endpoint_name, "sip/", 4)) {
endpoint_name += 4;
}
if (!strncasecmp(endpoint_name, "pjsip/", 6)) {
endpoint_name += 6;
}
if (option) {
res = push_notify(endpoint_name, option, notify_cli_data_create); /* The CLI version happens to be suitable for options. */
} else {
res = push_notify(endpoint_name, vars, notify_ami_data_create);
}
manager_send_response(s, m, NOTIFY_ENDPOINT, res, vars, endpoint_name);
}
/*!
* \internal
* \brief Completes SIPNotify AMI command in URI mode.
@ -1119,29 +1162,27 @@ static void manager_notify_endpoint(struct mansession *s,
static void manager_notify_uri(struct mansession *s,
const struct message *m, const char *uri)
{
struct ast_variable *vars = astman_get_variables_order(m, ORDER_NATURAL);
RAII_VAR(struct notify_cfg *, cfg, NULL, ao2_cleanup);
RAII_VAR(struct notify_option *, option, NULL, ao2_cleanup);
enum notify_result res;
const char *option_name = astman_get_header(m, "Option");
struct ast_variable *vars = NULL;
switch (push_notify_uri(uri, vars, notify_ami_uri_data_create)) {
case INVALID_CHANNEL:
/* Shouldn't be possible. */
ast_assert(0);
break;
case INVALID_ENDPOINT:
/* Shouldn't be possible. */
ast_assert(0);
break;
case ALLOC_ERROR:
ast_variables_destroy(vars);
astman_send_error(s, m, "Unable to allocate NOTIFY task data");
break;
case TASK_PUSH_ERROR:
/* Don't need to destroy vars since it is handled by cleanup in push_notify_uri */
astman_send_error(s, m, "Unable to push Notify task");
break;
case SUCCESS:
astman_send_ack(s, m, "NOTIFY sent");
break;
if (!ast_strlen_zero(option_name) && (cfg = ao2_global_obj_ref(globals)) && !(option = notify_option_find(cfg->notify_options, option_name))) {
astman_send_error_va(s, m, "Unable to find notify type '%s'\n", option_name);
return;
}
if (!option) {
vars = astman_get_variables_order(m, ORDER_NATURAL);
}
if (option) {
res = push_notify_uri(uri, option, notify_cli_uri_data_create);
} else {
res = push_notify_uri(uri, vars, notify_ami_uri_data_create);
}
manager_send_response(s, m, NOTIFY_URI, res, vars, NULL);
}
/*!
@ -1151,29 +1192,13 @@ static void manager_notify_uri(struct mansession *s,
static void manager_notify_channel(struct mansession *s,
const struct message *m, const char *channel)
{
struct ast_variable *vars = astman_get_variables_order(m, ORDER_NATURAL);
enum notify_result res;
struct ast_variable *vars = NULL;
switch (push_notify_channel(channel, vars, notify_ami_channel_data_create)) {
case INVALID_CHANNEL:
ast_variables_destroy(vars);
astman_send_error(s, m, "Channel not found");
break;
case INVALID_ENDPOINT:
/* Shouldn't be possible. */
ast_assert(0);
break;
case ALLOC_ERROR:
ast_variables_destroy(vars);
astman_send_error(s, m, "Unable to allocate NOTIFY task data");
break;
case TASK_PUSH_ERROR:
/* Don't need to destroy vars since it is handled by cleanup in push_notify_channel */
astman_send_error(s, m, "Unable to push Notify task");
break;
case SUCCESS:
astman_send_ack(s, m, "NOTIFY sent");
break;
}
vars = astman_get_variables_order(m, ORDER_NATURAL);
res = push_notify_channel(channel, vars, notify_ami_channel_data_create);
manager_send_response(s, m, NOTIFY_CHANNEL, res, vars, NULL);
}
/*!
@ -1185,6 +1210,8 @@ static int manager_notify(struct mansession *s, const struct message *m)
const char *endpoint_name = astman_get_header(m, "Endpoint");
const char *uri = astman_get_header(m, "URI");
const char *channel = astman_get_header(m, "Channel");
const char *variables = astman_get_header(m, "Variable");
const char *option = astman_get_header(m, "Option");
int count = 0;
if (!ast_strlen_zero(endpoint_name)) {
@ -1197,7 +1224,11 @@ static int manager_notify(struct mansession *s, const struct message *m)
++count;
}
if (1 < count) {
if ((!ast_strlen_zero(option) && !ast_strlen_zero(variables)) || (ast_strlen_zero(option) && ast_strlen_zero(variables))) {
astman_send_error(s, m,
"PJSIPNotify requires either an Option or Variable(s)."
"You must use only one of them.");
} else if (1 < count) {
astman_send_error(s, m,
"PJSIPNotify requires either an endpoint name, a SIP URI, or a channel. "
"You must use only one of them.");

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