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Merge "res_pjsip_mwi: Set up unsolicited MWI upon registration."

This commit is contained in:
Mark Michelson 2015-06-25 09:51:48 -05:00 committed by Gerrit Code Review
parent 6fffef78c3 7846f73432
commit 3f1fe83633
4 changed files with 126 additions and 68 deletions
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6
include/asterisk/res_pjsip.h
View File

@ -168,6 +168,8 @@ struct ast_sip_contact {
int authenticate_qualify;
/*! Qualify timeout. 0 is diabled. */
double qualify_timeout;
/*! Endpoint that added the contact, only available in observers */
struct ast_sip_endpoint *endpoint;
};
#define CONTACT_STATUS "contact_status"
@ -952,12 +954,14 @@ struct ast_sip_contact *ast_sip_location_retrieve_contact(const char *contact_na
* \param expiration_time Optional expiration time of the contact
* \param path_info Path information
* \param user_agent User-Agent header from REGISTER request
* \param endpoint The endpoint that resulted in the contact being added
*
* \retval -1 failure
* \retval 0 success
*/
int ast_sip_location_add_contact(struct ast_sip_aor *aor, const char *uri,
struct timeval expiration_time, const char *path_info, const char *user_agent);
struct timeval expiration_time, const char *path_info, const char *user_agent,
struct ast_sip_endpoint *endpoint);
/*!
* \brief Update a contact

6
res/res_pjsip/location.c
View File

@ -53,6 +53,7 @@ static void contact_destroy(void *obj)
struct ast_sip_contact *contact = obj;
ast_string_field_free_memory(contact);
ao2_cleanup(contact->endpoint);
}
/*! \brief Allocator for contact */
@ -228,7 +229,8 @@ struct ast_sip_contact *ast_sip_location_retrieve_contact(const char *contact_na
}
int ast_sip_location_add_contact(struct ast_sip_aor *aor, const char *uri,
struct timeval expiration_time, const char *path_info, const char *user_agent)
struct timeval expiration_time, const char *path_info, const char *user_agent,
struct ast_sip_endpoint *endpoint)
{
char name[MAX_OBJECT_FIELD * 2 + 3];
RAII_VAR(struct ast_sip_contact *, contact, NULL, ao2_cleanup);
@ -256,6 +258,8 @@ int ast_sip_location_add_contact(struct ast_sip_aor *aor, const char *uri,
ast_string_field_set(contact, user_agent, user_agent);
}
contact->endpoint = ao2_bump(endpoint);
return ast_sorcery_create(ast_sip_get_sorcery(), contact);
}

180
res/res_pjsip_mwi.c
View File

@ -40,7 +40,7 @@
#include "asterisk/app.h"
struct mwi_subscription;
AO2_GLOBAL_OBJ_STATIC(unsolicited_mwi);
static struct ao2_container *unsolicited_mwi;
#define STASIS_BUCKETS 13
#define MWI_BUCKETS 53
@ -297,7 +297,7 @@ static int mwi_sub_cmp(void *obj, void *arg, int flags)
static int get_message_count(void *obj, void *arg, int flags)
{
RAII_VAR(struct stasis_message *, msg, NULL, ao2_cleanup);
struct stasis_message *msg;
struct mwi_stasis_subscription *mwi_stasis = obj;
struct ast_sip_message_accumulator *counter = arg;
struct ast_mwi_state *mwi_state;
@ -310,6 +310,9 @@ static int get_message_count(void *obj, void *arg, int flags)
mwi_state = stasis_message_data(msg);
counter->old_msgs += mwi_state->old_msgs;
counter->new_msgs += mwi_state->new_msgs;
ao2_ref(msg, -1);
return 0;
}
@ -479,22 +482,24 @@ static int unsubscribe_stasis(void *obj, void *arg, int flags)
static void mwi_subscription_shutdown(struct ast_sip_subscription *sub)
{
struct mwi_subscription *mwi_sub;
RAII_VAR(struct ast_datastore *, mwi_datastore,
ast_sip_subscription_get_datastore(sub, MWI_DATASTORE), ao2_cleanup);
struct ast_datastore *mwi_datastore;
mwi_datastore = ast_sip_subscription_get_datastore(sub, MWI_DATASTORE);
if (!mwi_datastore) {
return;
}
mwi_sub = mwi_datastore->data;
ao2_callback(mwi_sub->stasis_subs, OBJ_UNLINK | OBJ_NODATA | OBJ_MULTIPLE, unsubscribe_stasis, NULL);
ao2_ref(mwi_datastore, -1);
}
static struct ast_datastore_info mwi_ds_info = { };
static int add_mwi_datastore(struct mwi_subscription *sub)
{
RAII_VAR(struct ast_datastore *, mwi_datastore, NULL, ao2_cleanup);
struct ast_datastore *mwi_datastore;
mwi_datastore = ast_sip_subscription_alloc_datastore(&mwi_ds_info, MWI_DATASTORE);
if (!mwi_datastore) {
@ -503,6 +508,7 @@ static int add_mwi_datastore(struct mwi_subscription *sub)
mwi_datastore->data = sub;
ast_sip_subscription_add_datastore(sub->sip_sub, mwi_datastore);
ao2_ref(mwi_datastore, -1);
return 0;
}
@ -517,18 +523,12 @@ static int add_mwi_datastore(struct mwi_subscription *sub)
static int endpoint_receives_unsolicited_mwi_for_mailbox(struct ast_sip_endpoint *endpoint,
const char *mailbox)
{
struct ao2_container *unsolicited = ao2_global_obj_ref(unsolicited_mwi);
struct ao2_iterator *mwi_subs;
struct mwi_subscription *mwi_sub;
const char *endpoint_id = ast_sorcery_object_get_id(endpoint);
int ret = 0;
if (!unsolicited) {
return 0;
}
mwi_subs = ao2_find(unsolicited, endpoint_id, OBJ_SEARCH_KEY | OBJ_MULTIPLE);
ao2_cleanup(unsolicited);
mwi_subs = ao2_find(unsolicited_mwi, endpoint_id, OBJ_SEARCH_KEY | OBJ_MULTIPLE);
if (!mwi_subs) {
return 0;
@ -597,11 +597,15 @@ static int mwi_on_aor(void *obj, void *arg, int flags)
mailboxes = ast_strdupa(aor->mailboxes);
while ((mailbox = strsep(&mailboxes, ","))) {
RAII_VAR(struct mwi_stasis_subscription *, mwi_stasis_sub,
mwi_stasis_subscription_alloc(mailbox, sub), ao2_cleanup);
if (mwi_stasis_sub) {
ao2_link(sub->stasis_subs, mwi_stasis_sub);
struct mwi_stasis_subscription *mwi_stasis_sub;
mwi_stasis_sub = mwi_stasis_subscription_alloc(mailbox, sub);
if (!mwi_stasis_sub) {
continue;
}
ao2_link(sub->stasis_subs, mwi_stasis_sub);
ao2_ref(mwi_stasis_sub, -1);
}
return 0;
@ -768,9 +772,9 @@ static void mwi_to_ami(struct ast_sip_subscription *sub,
struct ast_str **buf)
{
struct mwi_subscription *mwi_sub;
RAII_VAR(struct ast_datastore *, mwi_datastore,
ast_sip_subscription_get_datastore(sub, MWI_DATASTORE), ao2_cleanup);
struct ast_datastore *mwi_datastore;
mwi_datastore = ast_sip_subscription_get_datastore(sub, MWI_DATASTORE);
if (!mwi_datastore) {
return;
}
@ -781,6 +785,8 @@ static void mwi_to_ami(struct ast_sip_subscription *sub,
ast_str_append(buf, 0, "Mailboxes: ");
mwi_subscription_mailboxes_str(mwi_sub->stasis_subs, buf);
ast_str_append(buf, 0, "\r\n");
ao2_ref(mwi_datastore, -1);
}
static int serialized_notify(void *userdata)
@ -840,14 +846,38 @@ static int create_mwi_subscriptions_for_endpoint(void *obj, void *arg, int flags
{
RAII_VAR(struct mwi_subscription *, aggregate_sub, NULL, ao2_cleanup);
struct ast_sip_endpoint *endpoint = obj;
struct ao2_container *mwi_subscriptions = arg;
char *mailboxes;
char *mailbox;
char *endpoint_aors, *aor_name, *mailboxes, *mailbox;
struct ao2_container *contacts = NULL;
if (ast_strlen_zero(endpoint->subscription.mwi.mailboxes)) {
return 0;
}
endpoint_aors = ast_strdupa(endpoint->aors);
while ((aor_name = strsep(&endpoint_aors, ","))) {
RAII_VAR(struct ast_sip_aor *, aor, ast_sip_location_retrieve_aor(aor_name), ao2_cleanup);
if (!aor) {
continue;
}
contacts = ast_sip_location_retrieve_aor_contacts(aor);
if (!contacts || (ao2_container_count(contacts) == 0)) {
ao2_cleanup(contacts);
contacts = NULL;
continue;
}
break;
}
if (!contacts) {
return 0;
}
ao2_ref(contacts, -1);
if (endpoint->subscription.mwi.aggregate) {
aggregate_sub = mwi_subscription_alloc(endpoint, 0, NULL);
if (!aggregate_sub) {
@ -859,18 +889,20 @@ static int create_mwi_subscriptions_for_endpoint(void *obj, void *arg, int flags
while ((mailbox = strsep(&mailboxes, ","))) {
struct mwi_subscription *sub = aggregate_sub ?:
mwi_subscription_alloc(endpoint, 0, NULL);
RAII_VAR(struct mwi_stasis_subscription *, mwi_stasis_sub,
mwi_stasis_subscription_alloc(mailbox, sub), ao2_cleanup);
struct mwi_stasis_subscription *mwi_stasis_sub;
mwi_stasis_sub = mwi_stasis_subscription_alloc(mailbox, sub);
if (mwi_stasis_sub) {
ao2_link(sub->stasis_subs, mwi_stasis_sub);
ao2_ref(mwi_stasis_sub, -1);
}
if (!aggregate_sub) {
ao2_link(mwi_subscriptions, sub);
ao2_cleanup(sub);
if (!aggregate_sub && sub) {
ao2_link_flags(unsolicited_mwi, sub, OBJ_NOLOCK);
ao2_ref(sub, -1);
}
}
if (aggregate_sub) {
ao2_link(mwi_subscriptions, aggregate_sub);
ao2_link_flags(unsolicited_mwi, aggregate_sub, OBJ_NOLOCK);
}
return 0;
}
@ -886,13 +918,11 @@ static int unsubscribe(void *obj, void *arg, int flags)
static void create_mwi_subscriptions(void)
{
struct ao2_container *mwi_subscriptions = ao2_container_alloc(MWI_BUCKETS, mwi_sub_hash, mwi_sub_cmp);
RAII_VAR(struct ao2_container *, old_mwi_subscriptions, ao2_global_obj_ref(unsolicited_mwi), ao2_cleanup);
RAII_VAR(struct ao2_container *, endpoints, ast_sorcery_retrieve_by_fields(
ast_sip_get_sorcery(), "endpoint", AST_RETRIEVE_FLAG_MULTIPLE | AST_RETRIEVE_FLAG_ALL, NULL),
ao2_cleanup);
struct ao2_container *endpoints;
if (!mwi_subscriptions) {
endpoints = ast_sorcery_retrieve_by_fields(ast_sip_get_sorcery(), "endpoint",
AST_RETRIEVE_FLAG_MULTIPLE | AST_RETRIEVE_FLAG_ALL, NULL);
if (!endpoints) {
return;
}
@ -902,12 +932,12 @@ static void create_mwi_subscriptions(void)
* and resubscribing, up-to-date mailbox state will be sent out to the endpoint when the
* new stasis subscription is established
*/
if (old_mwi_subscriptions) {
ao2_callback(old_mwi_subscriptions, OBJ_UNLINK | OBJ_NODATA | OBJ_MULTIPLE, unsubscribe, NULL);
}
ao2_callback(endpoints, OBJ_NODATA, create_mwi_subscriptions_for_endpoint, mwi_subscriptions);
ao2_global_obj_replace_unref(unsolicited_mwi, mwi_subscriptions);
ao2_ref(mwi_subscriptions, -1);
ao2_lock(unsolicited_mwi);
ao2_callback(unsolicited_mwi, OBJ_NOLOCK | OBJ_UNLINK | OBJ_NODATA | OBJ_MULTIPLE, unsubscribe, NULL);
ao2_callback(endpoints, OBJ_NODATA, create_mwi_subscriptions_for_endpoint, NULL);
ao2_unlock(unsolicited_mwi);
ao2_ref(endpoints, -1);
}
/*! \brief Function called to send MWI NOTIFY on any unsolicited mailboxes relating to this AOR */
@ -927,40 +957,56 @@ static int send_contact_notify(void *obj, void *arg, int flags)
return 0;
}
/*! \brief Function called when a contact is created or updated */
static void mwi_contact_changed_observer(const void *object)
/*! \brief Function called when a contact is updated */
static void mwi_contact_updated(const void *object)
{
char *id = ast_strdupa(ast_sorcery_object_get_id(object)), *aor = NULL;
struct ao2_container *mwi_subscriptions = ao2_global_obj_ref(unsolicited_mwi);
if (!mwi_subscriptions) {
return;
}
aor = strsep(&id, ";@");
ao2_callback(mwi_subscriptions, OBJ_NODATA, send_contact_notify, aor);
ao2_ref(mwi_subscriptions, -1);
ao2_callback(unsolicited_mwi, OBJ_NODATA, send_contact_notify, aor);
}
/*! \brief Function called when a contact is added */
static void mwi_contact_added(const void *object)
{
const struct ast_sip_contact *contact = object;
struct ao2_iterator *mwi_subs;
struct mwi_subscription *mwi_sub;
const char *endpoint_id = ast_sorcery_object_get_id(contact->endpoint);
if (ast_strlen_zero(contact->endpoint->subscription.mwi.mailboxes)) {
return;
}
ao2_lock(unsolicited_mwi);
mwi_subs = ao2_find(unsolicited_mwi, endpoint_id, OBJ_SEARCH_KEY | OBJ_MULTIPLE | OBJ_NOLOCK | OBJ_UNLINK);
if (mwi_subs) {
for (; (mwi_sub = ao2_iterator_next(mwi_subs)); ao2_cleanup(mwi_sub)) {
unsubscribe(mwi_sub, NULL, 0);
}
ao2_iterator_destroy(mwi_subs);
}
create_mwi_subscriptions_for_endpoint(contact->endpoint, NULL, 0);
ao2_unlock(unsolicited_mwi);
mwi_contact_updated(object);
}
/*! \brief Observer for contacts so unsolicited MWI is sent when a contact changes */
static const struct ast_sorcery_observer mwi_contact_observer = {
.created = mwi_contact_changed_observer,
.updated = mwi_contact_changed_observer,
.created = mwi_contact_added,
.updated = mwi_contact_updated,
};
/*! \brief Task invoked to send initial MWI NOTIFY for unsolicited */
static int send_initial_notify_all(void *obj)
{
struct ao2_container *mwi_subscriptions = ao2_global_obj_ref(unsolicited_mwi);
if (!mwi_subscriptions) {
return 0;
}
ao2_callback(mwi_subscriptions, OBJ_NODATA, send_notify, NULL);
ao2_ref(mwi_subscriptions, -1);
ao2_callback(unsolicited_mwi, OBJ_NODATA, send_notify, NULL);
return 0;
}
@ -1000,6 +1046,13 @@ static int load_module(void)
if (ast_sip_register_subscription_handler(&mwi_handler)) {
return AST_MODULE_LOAD_DECLINE;
}
unsolicited_mwi = ao2_container_alloc(MWI_BUCKETS, mwi_sub_hash, mwi_sub_cmp);
if (!unsolicited_mwi) {
ast_sip_unregister_subscription_handler(&mwi_handler);
return AST_MODULE_LOAD_DECLINE;
}
create_mwi_subscriptions();
ast_sorcery_observer_add(ast_sip_get_sorcery(), "contact", &mwi_contact_observer);
@ -1014,12 +1067,9 @@ static int load_module(void)
static int unload_module(void)
{
RAII_VAR(struct ao2_container *, mwi_subscriptions, ao2_global_obj_ref(unsolicited_mwi), ao2_cleanup);
if (mwi_subscriptions) {
ao2_callback(mwi_subscriptions, OBJ_UNLINK | OBJ_NODATA | OBJ_MULTIPLE, unsubscribe, NULL);
ao2_global_obj_release(unsolicited_mwi);
ast_sorcery_observer_remove(ast_sip_get_sorcery(), "contact", &mwi_contact_observer);
}
ao2_callback(unsolicited_mwi, OBJ_UNLINK | OBJ_NODATA | OBJ_MULTIPLE, unsubscribe, NULL);
ao2_ref(unsolicited_mwi, -1);
ast_sorcery_observer_remove(ast_sip_get_sorcery(), "contact", &mwi_contact_observer);
ast_sip_unregister_subscription_handler(&mwi_handler);
return 0;
}

2
res/res_pjsip_registrar.c
View File

@ -500,7 +500,7 @@ static int rx_task(void *data)
if (ast_sip_location_add_contact(task_data->aor, contact_uri, ast_tvadd(ast_tvnow(),
ast_samp2tv(expiration, 1)), path_str ? ast_str_buffer(path_str) : NULL,
user_agent)) {
user_agent, task_data->endpoint)) {
ast_log(LOG_ERROR, "Unable to bind contact '%s' to AOR '%s'\n",
contact_uri, aor_name);
continue;