diff options
author | Mark Michelson <mmichelson@digium.com> | 2013-10-02 22:22:17 +0000 |
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committer | Mark Michelson <mmichelson@digium.com> | 2013-10-02 22:22:17 +0000 |
commit | addbf276f5037dc5a265a1e43e383ae1d9e9d0d8 (patch) | |
tree | 0d9c84e9baffd708576d6c79fcd8adf768cba77d /main/stasis_wait.c | |
parent | e4ed9886e6527cab3858f45e8ba2d5f11a9aed08 (diff) |
Multiple revisions 400318-400319
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r400318 | mmichelson | 2013-10-02 17:08:49 -0500 (Wed, 02 Oct 2013) | 12 lines
Remove unnecessary waits from stasis.
Since caches are updated on publisher threads, there is no need
to wait for the cache updates to occur after a stasis message
is published.
In the case of chan_pjsip device state changes, this set of
changes caused an improvement to performance.
Review: https://reviewboard.asterisk.org/r/2890
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r400319 | mmichelson | 2013-10-02 17:10:54 -0500 (Wed, 02 Oct 2013) | 3 lines
Remove svn:mergeinfo property.
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Merged revisions 400318-400319 from http://svn.asterisk.org/svn/asterisk/branches/12
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@400335 65c4cc65-6c06-0410-ace0-fbb531ad65f3
Diffstat (limited to 'main/stasis_wait.c')
-rw-r--r-- | main/stasis_wait.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/main/stasis_wait.c b/main/stasis_wait.c deleted file mode 100644 index 32b59718c..000000000 --- a/main/stasis_wait.c +++ /dev/null @@ -1,133 +0,0 @@ -/* - * Asterisk -- An open source telephony toolkit. - * - * Copyright (C) 2013, Digium, Inc. - * - * Joshua Colp <jcolp@digium.com> - * - * See http://www.asterisk.org for more information about - * the Asterisk project. Please do not directly contact - * any of the maintainers of this project for assistance; - * the project provides a web site, mailing lists and IRC - * channels for your use. - * - * This program is free software, distributed under the terms of - * the GNU General Public License Version 2. See the LICENSE file - * at the top of the source tree. - */ - -/*! \file - * - * \brief Wait support for Stasis topics. - * - * \author Joshua Colp <jcolp@digium.com> - */ - -/*** MODULEINFO - <support_level>core</support_level> - ***/ - -#include "asterisk.h" - -ASTERISK_FILE_VERSION(__FILE__, "$Revision$") - -#include "asterisk/astobj2.h" -#include "asterisk/stasis.h" - -static struct stasis_message_type *cache_guarantee_type(void); -STASIS_MESSAGE_TYPE_DEFN(cache_guarantee_type); - -/*! \internal */ -struct caching_guarantee { - ast_mutex_t lock; - ast_cond_t cond; - unsigned int done:1; -}; - -static void caching_guarantee_dtor(void *obj) -{ - struct caching_guarantee *guarantee = obj; - - ast_assert(guarantee->done == 1); - - ast_mutex_destroy(&guarantee->lock); - ast_cond_destroy(&guarantee->cond); -} - -static void guarantee_handler(void *data, struct stasis_subscription *sub, - struct stasis_message *message) -{ - /* Wait for our particular message */ - if (data == message) { - struct caching_guarantee *guarantee; - ast_assert(cache_guarantee_type() == stasis_message_type(message)); - guarantee = stasis_message_data(message); - - ast_mutex_lock(&guarantee->lock); - guarantee->done = 1; - ast_cond_signal(&guarantee->cond); - ast_mutex_unlock(&guarantee->lock); - } -} - -static struct stasis_message *caching_guarantee_create(void) -{ - RAII_VAR(struct caching_guarantee *, guarantee, NULL, ao2_cleanup); - RAII_VAR(struct stasis_message *, msg, NULL, ao2_cleanup); - - if (!(guarantee = ao2_alloc(sizeof(*guarantee), caching_guarantee_dtor))) { - return NULL; - } - - ast_mutex_init(&guarantee->lock); - ast_cond_init(&guarantee->cond, NULL); - - if (!(msg = stasis_message_create(cache_guarantee_type(), guarantee))) { - return NULL; - } - - ao2_ref(msg, +1); - return msg; -} - -int stasis_topic_wait(struct stasis_topic *topic) -{ - RAII_VAR(struct stasis_message *, msg, NULL, ao2_cleanup); - RAII_VAR(struct stasis_subscription *, sub, NULL, stasis_unsubscribe); - struct caching_guarantee *guarantee; - - msg = caching_guarantee_create(); - if (!msg) { - return -1; - } - - sub = stasis_subscribe(topic, guarantee_handler, msg); - if (!sub) { - return -1; - } - - guarantee = stasis_message_data(msg); - - ast_mutex_lock(&guarantee->lock); - stasis_publish(topic, msg); - while (!guarantee->done) { - ast_cond_wait(&guarantee->cond, &guarantee->lock); - } - ast_mutex_unlock(&guarantee->lock); - return 0; -} - -static void wait_cleanup(void) -{ - STASIS_MESSAGE_TYPE_CLEANUP(cache_guarantee_type); -} - -int stasis_wait_init(void) -{ - ast_register_cleanup(wait_cleanup); - - if (STASIS_MESSAGE_TYPE_INIT(cache_guarantee_type) != 0) { - return -1; - } - return 0; -} |