diff options
author | Kinsey Moore <kmoore@digium.com> | 2013-03-16 15:45:58 +0000 |
---|---|---|
committer | Kinsey Moore <kmoore@digium.com> | 2013-03-16 15:45:58 +0000 |
commit | 99aa02d17f7f1815f9a2abf75282f815a975cd67 (patch) | |
tree | 5ebb9cf3ddecd7153afb9e30f767d170c44b2142 /main/app.c | |
parent | 5d45596f6257b86189bef2dfaf5d9cc0b001fa46 (diff) |
Transition MWI to Stasis-core
Remove MWI's dependency on the event system by moving it to
Stasis-core. This also introduces forwarding topic pools in Stasis-core
which aggregate many dynamically allocated topics into a single primary
topic.
Review: https://reviewboard.asterisk.org/r/2368/
(closes issue ASTERISK-21097)
Patch-by: Kinsey Moore
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@383284 65c4cc65-6c06-0410-ace0-fbb531ad65f3
Diffstat (limited to 'main/app.c')
-rw-r--r-- | main/app.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/main/app.c b/main/app.c index 6db65f371..dca74849f 100644 --- a/main/app.c +++ b/main/app.c @@ -66,6 +66,10 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$") #include "asterisk/threadstorage.h" #include "asterisk/test.h" #include "asterisk/module.h" +#include "asterisk/astobj2.h" +#include "asterisk/stasis.h" + +#define MWI_TOPIC_BUCKETS 57 AST_THREADSTORAGE_PUBLIC(ast_str_thread_global_buf); @@ -78,6 +82,11 @@ struct zombie { static AST_LIST_HEAD_STATIC(zombies, zombie); +static struct stasis_topic *mwi_topic_all; +static struct stasis_caching_topic *mwi_topic_cached; +static struct stasis_message_type *mwi_message_type; +static struct stasis_topic_pool *mwi_topic_pool; + static void *shaun_of_the_dead(void *data) { struct zombie *cur; @@ -2632,3 +2641,123 @@ int ast_app_parse_timelen(const char *timestr, int *result, enum ast_timelen uni return 0; } + + +static void mwi_state_dtor(void *obj) +{ + struct stasis_mwi_state *mwi_state = obj; + ast_string_field_free_memory(mwi_state); +} + +struct stasis_topic *stasis_mwi_topic_all(void) +{ + return mwi_topic_all; +} + +struct stasis_caching_topic *stasis_mwi_topic_cached(void) +{ + return mwi_topic_cached; +} + +struct stasis_message_type *stasis_mwi_state_message(void) +{ + return mwi_message_type; +} + +struct stasis_topic *stasis_mwi_topic(const char *uniqueid) +{ + return stasis_topic_pool_get_topic(mwi_topic_pool, uniqueid); +} + +int stasis_publish_mwi_state_full( + const char *mailbox, + const char *context, + int new_msgs, + int old_msgs, + struct ast_eid *eid) +{ + RAII_VAR(struct stasis_mwi_state *, mwi_state, NULL, ao2_cleanup); + RAII_VAR(struct stasis_message *, message, NULL, ao2_cleanup); + struct ast_str *uniqueid = ast_str_alloca(AST_MAX_MAILBOX_UNIQUEID); + struct stasis_topic *mailbox_specific_topic; + + ast_assert(!ast_strlen_zero(mailbox)); + ast_assert(!ast_strlen_zero(context)); + + ast_str_set(&uniqueid, 0, "%s@%s", mailbox, context); + + mwi_state = ao2_alloc(sizeof(*mwi_state), mwi_state_dtor); + if (ast_string_field_init(mwi_state, 256)) { + return -1; + } + + ast_string_field_set(mwi_state, uniqueid, ast_str_buffer(uniqueid)); + ast_string_field_set(mwi_state, mailbox, mailbox); + ast_string_field_set(mwi_state, context, context); + mwi_state->new_msgs = new_msgs; + mwi_state->old_msgs = old_msgs; + if (eid) { + mwi_state->eid = *eid; + } else { + ast_set_default_eid(&mwi_state->eid); + } + + message = stasis_message_create(stasis_mwi_state_message(), mwi_state); + + mailbox_specific_topic = stasis_mwi_topic(ast_str_buffer(uniqueid)); + if (!mailbox_specific_topic) { + return -1; + } + + stasis_publish(mailbox_specific_topic, message); + + return 0; +} + +static const char *mwi_state_get_id(struct stasis_message *message) +{ + if (stasis_mwi_state_message() == stasis_message_type(message)) { + struct stasis_mwi_state *mwi_state = stasis_message_data(message); + return mwi_state->uniqueid; + } else if (stasis_subscription_change() == stasis_message_type(message)) { + struct stasis_subscription_change *change = stasis_message_data(message); + return change->uniqueid; + } + + return NULL; +} + +static void app_exit(void) +{ + ao2_cleanup(mwi_topic_all); + mwi_topic_all = NULL; + mwi_topic_cached = stasis_caching_unsubscribe(mwi_topic_cached); + ao2_cleanup(mwi_message_type); + mwi_message_type = NULL; + ao2_cleanup(mwi_topic_pool); + mwi_topic_pool = NULL; +} + +int app_init(void) +{ + mwi_topic_all = stasis_topic_create("stasis_mwi_topic"); + if (!mwi_topic_all) { + return -1; + } + mwi_topic_cached = stasis_caching_topic_create(mwi_topic_all, mwi_state_get_id); + if (!mwi_topic_cached) { + return -1; + } + mwi_message_type = stasis_message_type_create("stasis_mwi_state"); + if (!mwi_message_type) { + return -1; + } + mwi_topic_pool = stasis_topic_pool_create(mwi_topic_all); + if (!mwi_topic_pool) { + return -1; + } + + ast_register_atexit(app_exit); + return 0; +} + |