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outbound_registration: Add 'pjsip send register' and update 'send unregister'

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The current behavior of 'pjsip send unregister' is to send the unregister
(REGISTER with 0 exp) but let the next scheduled register proceed normally.
I don't think that's a good idea.  If you unregister, it should stay
unregistered until you decide to start registrations again.  So this patch
just adds a cancel_registration call to the current unregister_task to
cancel the timer.

Of course, now you need  a way to start registration again so I've added
a 'pjsip send register' command that unregisters and cancels any existing
registration (the same as send unregister), then sends an immediate
registration and starts the timer back up again.

Both changes also ripple to AMI.  There's a new PJSIPRegister command.

There's no harm in calling either command repeatedly.  They don't care
about the actual state.

Tested-by: George Joseph

Review: https://reviewboard.asterisk.org/r/4301/
........

Merged revisions 430223 from http://svn.asterisk.org/svn/asterisk/branches/13


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@430224 65c4cc65-6c06-0410-ace0-fbb531ad65f3
changes/42/42/1
George Joseph 10 years ago
parent 7dc0c88fc6
commit fb3c8e3424
2 changed files with 125 additions and 12 deletions
Show Stats Download Patch File Download Diff File

10
CHANGES
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@ -102,10 +102,18 @@ res_musiconhold
* New 'PJSIP_AOR' and 'PJSIP_CONTACT' dialplan functions have been added which
allow examining PJSIP AORs or contacts from the dialplan.
res_pjsip_outbound_registration
------------------
* The 'pjsip send unregister' command now stops further registrations.
* A new command 'pjsip send register' has been added which allows you to
start or restart periodic registration. It can be used after a
'send unregister' or after a 401 permanent error.
res_pjsip_config_wizard
------------------
* This is a new module that adds streamlined configuration capability for
chan_pjsip. It's targetted at users who have lots of basic configuration
chan_pjsip. It's targeted at users who have lots of basic configuration
scenarios like 'phone' or 'agent' or 'trunk'. Additional information
can be found in the sample configuration file at
config/samples/pjsip_wizard.conf.sample.

127
res/res_pjsip_outbound_registration.c
Unescape View File

@ -156,11 +156,27 @@
</syntax>
<description>
<para>
Send a SIP REGISTER request to the specified outbound registration with an expiration of 0.
This will cause the contact added by this registration to be removed on the remote system.
Note: The specified outbound registration will attempt to re-register according to it's last
registration expiration.
</para>
Unregisters the specified outbound registration and stops future registration attempts.
Call PJSIPRegister to start registration and schedule re-registrations according to configuration.
</para>
</description>
</manager>
<manager name="PJSIPRegister" language="en_US">
<synopsis>
Register an outbound registration.
</synopsis>
<syntax>
<xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
<parameter name="Registration" required="true">
<para>The outbound registration to register.</para>
</parameter>
</syntax>
<description>
<para>
Unregisters the specified outbound registration then starts registration and schedules re-registrations
according to configuration.
future registrations.
</para>
</description>
</manager>
<manager name="PJSIPShowRegistrationsOutbound" language="en_US">
@ -1124,6 +1140,8 @@ static int unregister_task(void *obj)
struct pjsip_regc *client = state->client_state->client;
pjsip_tx_data *tdata;
cancel_registration(state->client_state);
if (pjsip_regc_unregister(client, &tdata) != PJ_SUCCESS) {
return 0;
}
@ -1143,6 +1161,18 @@ static int queue_unregister(struct sip_outbound_registration_state *state)
ao2_ref(state, -1);
return -1;
}
return 0;
}
static int queue_register(struct sip_outbound_registration_state *state)
{
ao2_ref(state, +1);
if (ast_sip_push_task(state->client_state->serializer, sip_outbound_registration_perform, state)) {
ao2_ref(state, -1);
return -1;
}
return 0;
}
@ -1193,11 +1223,7 @@ static char *cli_unregister(struct ast_cli_entry *e, int cmd, struct ast_cli_arg
e->command = "pjsip send unregister";
e->usage =
"Usage: pjsip send unregister <registration>\n"
" Send a SIP REGISTER request to the specified outbound "
"registration with an expiration of 0. This will cause the contact "
"added by this registration to be removed on the remote system. Note: "
"The specified outbound registration will attempt to re-register "
"according to its last registration expiration.\n";
" Unregisters the specified outbound registration and stops future registration attempts.\n";
return NULL;
case CLI_GENERATE:
return cli_complete_registration(a->line, a->word, a->pos, a->n);
@ -1223,6 +1249,50 @@ static char *cli_unregister(struct ast_cli_entry *e, int cmd, struct ast_cli_arg
return CLI_SUCCESS;
}
static char *cli_register(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
RAII_VAR(struct sip_outbound_registration_state *, state, NULL, ao2_cleanup);
const char *registration_name;
switch (cmd) {
case CLI_INIT:
e->command = "pjsip send register";
e->usage =
"Usage: pjsip send register <registration>\n"
" Unregisters the specified outbound "
"registration then re-registers and re-schedules it.\n";
return NULL;
case CLI_GENERATE:
return cli_complete_registration(a->line, a->word, a->pos, a->n);
}
if (a->argc != 4) {
return CLI_SHOWUSAGE;
}
registration_name = a->argv[3];
state = get_state(registration_name);
if (!state) {
ast_cli(a->fd, "Unable to retrieve registration %s\n", registration_name);
return CLI_FAILURE;
}
/* We need to serialize the unregister and register so they need
* to be queued as separate tasks.
*/
if (queue_unregister(state)) {
ast_cli(a->fd, "Failed to queue unregistration");
return 0;
}
if (queue_register(state)) {
ast_cli(a->fd, "Failed to queue registration");
return 0;
}
return CLI_SUCCESS;
}
static int ami_unregister(struct mansession *s, const struct message *m)
{
const char *registration_name = astman_get_header(m, "Registration");
@ -1248,6 +1318,38 @@ static int ami_unregister(struct mansession *s, const struct message *m)
return 0;
}
static int ami_register(struct mansession *s, const struct message *m)
{
const char *registration_name = astman_get_header(m, "Registration");
RAII_VAR(struct sip_outbound_registration_state *, state, NULL, ao2_cleanup);
if (ast_strlen_zero(registration_name)) {
astman_send_error(s, m, "Registration parameter missing.");
return 0;
}
state = get_state(registration_name);
if (!state) {
astman_send_error(s, m, "Unable to retrieve registration entry\n");
return 0;
}
/* We need to serialize the unregister and register so they need
* to be queued as separate tasks.
*/
if (queue_unregister(state)) {
astman_send_ack(s, m, "Failed to queue unregistration");
return 0;
}
if (queue_register(state)) {
astman_send_ack(s, m, "Failed to queue unregistration");
return 0;
}
astman_send_ack(s, m, "Reregistration sent");
return 0;
}
struct sip_ami_outbound {
struct ast_sip_ami *ami;
int registered;
@ -1426,7 +1528,8 @@ static char *my_cli_traverse_objects(struct ast_cli_entry *e, int cmd, struct as
}
static struct ast_cli_entry cli_outbound_registration[] = {
AST_CLI_DEFINE(cli_unregister, "Send a REGISTER request to an outbound registration target with a expiration of 0"),
AST_CLI_DEFINE(cli_unregister, "Unregisters outbound registration target"),
AST_CLI_DEFINE(cli_register, "Registers an outbound registration target"),
AST_CLI_DEFINE(my_cli_traverse_objects, "List PJSIP Registrations",
.command = "pjsip list registrations",
.usage = "Usage: pjsip list registrations\n"
@ -1450,6 +1553,7 @@ static int unload_module(void)
ast_sip_unregister_cli_formatter(cli_formatter);
ast_manager_unregister("PJSIPShowRegistrationsOutbound");
ast_manager_unregister("PJSIPUnregister");
ast_manager_unregister("PJSIPRegister");
ao2_global_obj_release(current_states);
@ -1486,6 +1590,7 @@ static int load_module(void)
ast_sip_register_endpoint_identifier(&line_identifier);
ast_manager_register_xml("PJSIPUnregister", EVENT_FLAG_SYSTEM | EVENT_FLAG_REPORTING, ami_unregister);
ast_manager_register_xml("PJSIPRegister", EVENT_FLAG_SYSTEM | EVENT_FLAG_REPORTING, ami_register);
ast_manager_register_xml("PJSIPShowRegistrationsOutbound", EVENT_FLAG_SYSTEM | EVENT_FLAG_REPORTING, ami_show_outbound_registrations);
cli_formatter = ao2_alloc(sizeof(struct ast_sip_cli_formatter_entry), NULL);

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