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-rw-r--r--configs/stasis.conf.sample8
-rw-r--r--configs/stasis_core.conf.sample6
-rw-r--r--include/asterisk/stasis.h27
-rw-r--r--main/asterisk.c14
-rw-r--r--main/stasis.c17
-rw-r--r--main/stasis_config.c192
6 files changed, 241 insertions, 23 deletions
diff --git a/configs/stasis.conf.sample b/configs/stasis.conf.sample
new file mode 100644
index 000000000..c6466b489
--- /dev/null
+++ b/configs/stasis.conf.sample
@@ -0,0 +1,8 @@
+[threadpool]
+;initial_size = 0 ; Initial size of the threadpool
+
+;idle_timeout_sec = 20 ; Number of seconds a thread should be idle before dying
+; ; 0 means threads never time out
+
+;max_size = 200 ; Maximum number of threads in the threadpool
+; ; 0 means no limit to the threads in the threadpool
diff --git a/configs/stasis_core.conf.sample b/configs/stasis_core.conf.sample
deleted file mode 100644
index 840b13ae1..000000000
--- a/configs/stasis_core.conf.sample
+++ /dev/null
@@ -1,6 +0,0 @@
-[general]
-
-[threadpool]
-;initial_size = 0 ; Initial size of the threadpool
-;idle_timeout = 20 ; Number of seconds a thread should be idle before dying
-;max_size = 200 ; Maximum number of threads in the threadpool
diff --git a/include/asterisk/stasis.h b/include/asterisk/stasis.h
index fd51cf51d..fd60724c0 100644
--- a/include/asterisk/stasis.h
+++ b/include/asterisk/stasis.h
@@ -809,15 +809,19 @@ void stasis_log_bad_type_access(const char *name);
/*! @{ */
/*!
- * \brief Initialize the Stasis subsystem
+ * \brief Initialize the Stasis subsystem.
* \return 0 on success.
* \return Non-zero on error.
* \since 12
*/
int stasis_init(void);
+/*! @} */
+
+/*! @{ */
+
/*!
- * \private
+ * \internal
* \brief called by stasis_init() for cache initialization.
* \return 0 on success.
* \return Non-zero on error.
@@ -825,6 +829,25 @@ int stasis_init(void);
*/
int stasis_cache_init(void);
+/*!
+ * \internal
+ * \brief called by stasis_init for config initialization.
+ * \return 0 on success.
+ * \return Non-zero on error.
+ * \since 12
+ */
+int stasis_config_init(void);
+
+struct ast_threadpool_options;
+
+/*!
+ * \internal
+ * \brief Retrieves the Stasis threadpool configuration.
+ * \param[out] threadpool_options Filled with Stasis threadpool options.
+ */
+void stasis_config_get_threadpool_options(
+ struct ast_threadpool_options *threadpool_options);
+
/*! @} */
/*!
diff --git a/main/asterisk.c b/main/asterisk.c
index c53652aaf..c1ce2c0f1 100644
--- a/main/asterisk.c
+++ b/main/asterisk.c
@@ -4202,6 +4202,13 @@ int main(int argc, char *argv[])
exit(1);
}
+#ifdef AST_XML_DOCS
+ /* Load XML documentation. */
+ ast_xmldoc_load_documentation();
+#endif
+
+ aco_init();
+
if (stasis_init()) {
printf("Stasis initialization failed.\n%s", term_quit());
exit(1);
@@ -4261,13 +4268,6 @@ int main(int argc, char *argv[])
exit(1);
}
-#ifdef AST_XML_DOCS
- /* Load XML documentation. */
- ast_xmldoc_load_documentation();
-#endif
-
- aco_init();
-
if (app_init()) {
printf("App core initialization failed.\n%s", term_quit());
exit(1);
diff --git a/main/stasis.c b/main/stasis.c
index 406a1bb25..64f77e309 100644
--- a/main/stasis.c
+++ b/main/stasis.c
@@ -642,24 +642,25 @@ int stasis_init(void)
{
int cache_init;
- /* XXX Should this be configurable? */
- struct ast_threadpool_options opts = {
- .version = AST_THREADPOOL_OPTIONS_VERSION,
- .idle_timeout = 20,
- .auto_increment = 1,
- .initial_size = 0,
- .max_size = 200
- };
+ struct ast_threadpool_options opts;
/* Be sure the types are cleaned up after the message bus */
ast_register_cleanup(stasis_cleanup);
ast_register_atexit(stasis_exit);
+ if (stasis_config_init() != 0) {
+ ast_log(LOG_ERROR, "Stasis configuration failed\n");
+ return -1;
+ }
+
if (pool) {
ast_log(LOG_ERROR, "Stasis double-initialized\n");
return -1;
}
+ stasis_config_get_threadpool_options(&opts);
+ ast_debug(3, "Creating Stasis threadpool: initial_size = %d, max_size = %d, idle_timeout_secs = %d\n",
+ opts.initial_size, opts.max_size, opts.idle_timeout);
pool = ast_threadpool_create("stasis-core", NULL, &opts);
if (!pool) {
ast_log(LOG_ERROR, "Stasis threadpool allocation failed\n");
diff --git a/main/stasis_config.c b/main/stasis_config.c
new file mode 100644
index 000000000..f20d61977
--- /dev/null
+++ b/main/stasis_config.c
@@ -0,0 +1,192 @@
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2013, Digium, Inc.
+ *
+ * David M. Lee, II <dlee@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 Stasis Message Bus configuration API.
+ *
+ * \author David M. Lee, II <dlee@digium.com>
+ */
+
+/*** MODULEINFO
+ <support_level>core</support_level>
+ ***/
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#include "asterisk/config_options.h"
+#include "asterisk/stasis.h"
+#include "asterisk/threadpool.h"
+
+#include <limits.h>
+
+/*** DOCUMENTATION
+ <configInfo name="stasis" language="en_US">
+ <synopsis>Stasis message bus configuration.</synopsis>
+ <configFile name="stasis.conf">
+ <configObject name="threadpool">
+ <synopsis>Threadpool configuration.</synopsis>
+ <configOption name="initial_size" default="0">
+ <synopsis>Initial number of threads in the message bus threadpool.</synopsis>
+ </configOption>
+ <configOption name="idle_timeout_sec" default="20">
+ <synopsis>Number of seconds for an idle thread to be disposed of.</synopsis>
+ </configOption>
+ <configOption name="max_size" default="200">
+ <synopsis>Maximum number of threads in the threadpool.</synopsis>
+ </configOption>
+ </configObject>
+ </configFile>
+ </configInfo>
+ ***/
+
+/*! \brief Locking container for safe configuration access. */
+static AO2_GLOBAL_OBJ_STATIC(confs);
+
+struct stasis_threadpool_conf {
+ int initial_size;
+ int idle_timeout_sec;
+ int max_size;
+};
+
+struct stasis_conf {
+ struct stasis_threadpool_conf *threadpool;
+};
+
+/*! \brief Mapping of the stasis http conf struct's globals to the
+ * threadpool context in the config file. */
+static struct aco_type threadpool_option = {
+ .type = ACO_GLOBAL,
+ .name = "threadpool",
+ .item_offset = offsetof(struct stasis_conf, threadpool),
+ .category = "^threadpool$",
+ .category_match = ACO_WHITELIST,
+};
+
+static struct aco_type *threadpool_options[] = ACO_TYPES(&threadpool_option);
+
+#define CONF_FILENAME "stasis.conf"
+
+/*! \brief The conf file that's processed for the module. */
+static struct aco_file conf_file = {
+ /*! The config file name. */
+ .filename = CONF_FILENAME,
+ /*! The mapping object types to be processed. */
+ .types = ACO_TYPES(&threadpool_option),
+};
+
+static void conf_dtor(void *obj)
+{
+ struct stasis_conf *conf = obj;
+
+ ao2_cleanup(conf->threadpool);
+ conf->threadpool = NULL;
+}
+
+static void *conf_alloc(void)
+{
+ RAII_VAR(struct stasis_conf *, conf, NULL, ao2_cleanup);
+
+ conf = ao2_alloc_options(sizeof(*conf), conf_dtor,
+ AO2_ALLOC_OPT_LOCK_NOLOCK);
+ if (!conf) {
+ return NULL;
+ }
+
+ conf->threadpool = ao2_alloc_options(sizeof(*conf->threadpool), NULL,
+ AO2_ALLOC_OPT_LOCK_NOLOCK);
+ if (!conf->threadpool) {
+ return NULL;
+ }
+
+ aco_set_defaults(&threadpool_option, "threadpool", conf->threadpool);
+
+ ao2_ref(conf, +1);
+ return conf;
+}
+
+CONFIG_INFO_CORE("stasis", cfg_info, confs, conf_alloc,
+ .files = ACO_FILES(&conf_file));
+
+void stasis_config_get_threadpool_options(
+ struct ast_threadpool_options *threadpool_options)
+{
+ RAII_VAR(struct stasis_conf *, conf, NULL, ao2_cleanup);
+
+ conf = ao2_global_obj_ref(confs);
+
+ ast_assert(conf && conf->threadpool);
+
+ {
+ struct ast_threadpool_options newopts = {
+ .version = AST_THREADPOOL_OPTIONS_VERSION,
+ .initial_size = conf->threadpool->initial_size,
+ .auto_increment = 1,
+ .idle_timeout = conf->threadpool->idle_timeout_sec,
+ .max_size = conf->threadpool->max_size,
+ };
+
+ *threadpool_options = newopts;
+ }
+}
+
+/*! \brief Load (or reload) configuration. */
+static int process_config(int reload)
+{
+ switch (aco_process_config(&cfg_info, reload)) {
+ case ACO_PROCESS_ERROR:
+ return -1;
+ case ACO_PROCESS_OK:
+ case ACO_PROCESS_UNCHANGED:
+ break;
+ }
+
+ return 0;
+}
+
+static void config_exit(void)
+{
+ aco_info_destroy(&cfg_info);
+}
+
+int stasis_config_init(void)
+{
+ if (aco_info_init(&cfg_info)) {
+ aco_info_destroy(&cfg_info);
+ return -1;
+ }
+
+ ast_register_atexit(config_exit);
+
+ /* threadpool section */
+ aco_option_register(&cfg_info, "initial_size", ACO_EXACT,
+ threadpool_options, "0", OPT_INT_T, PARSE_IN_RANGE,
+ FLDSET(struct stasis_threadpool_conf, initial_size), 0,
+ INT_MAX);
+ aco_option_register(&cfg_info, "idle_timeout_sec", ACO_EXACT,
+ threadpool_options, "20", OPT_INT_T, PARSE_IN_RANGE,
+ FLDSET(struct stasis_threadpool_conf, idle_timeout_sec), 0,
+ INT_MAX);
+ aco_option_register(&cfg_info, "max_size", ACO_EXACT,
+ threadpool_options, "200", OPT_INT_T, PARSE_IN_RANGE,
+ FLDSET(struct stasis_threadpool_conf, max_size), 0, INT_MAX);
+
+ return process_config(0);
+}
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