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freeradius/freeradius-connection-fall-through-to-global-module-triggers.patch
Nikolai Kondrashov d3ba025501 Fix triggers 
Resolves: Bug#1110407
Resolves: Bug#1110414
Resolves: Bug#1110186
Resolves: Bug#1109164
2015-01-19 17:52:25 +02:00

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From 132992fe92d53d62499d8c4672feafe210efc573 Mon Sep 17 00:00:00 2001
From: Nikolai Kondrashov <Nikolai.Kondrashov@redhat.com>
Date: Fri, 24 Oct 2014 14:37:11 +0300
Subject: [PATCH 4/4] connection: Fall through to global module triggers
Make module connection pool triggers use global module trigger
configuration, if there is no "trigger" section in the pool section.
Use fully-qualified module-specific trigger names for module-specific
connection pools in connection.c.
E.g. trigger "modules.ldap.open", instead of just "open" for pools
initialized with fr_connection_pool_module_init, being passed "ldap"
config section.
Send triggers even if the pool has no "trigger" section.
This makes exec_trigger fall through to global module triggers, if the
pool configuration doesn't have the "trigger" section.
---
src/include/connection.h | 3 +-
src/main/connection.c | 81 ++++++++++++++++++++++++++++++------------------
2 files changed, 53 insertions(+), 31 deletions(-)
diff --git a/src/include/connection.h b/src/include/connection.h
index e3752d5..eaf44e8 100644
--- a/src/include/connection.h
+++ b/src/include/connection.h
@@ -81,7 +81,8 @@ fr_connection_pool_t *fr_connection_pool_init(CONF_SECTION *parent,
void *opaque,
fr_connection_create_t c,
fr_connection_alive_t a,
- char const *prefix);
+ char const *log_prefix,
+ char const *trigger_prefix);
void fr_connection_pool_delete(fr_connection_pool_t *pool);
void *fr_connection_get(fr_connection_pool_t *pool);
diff --git a/src/main/connection.c b/src/main/connection.c
index 5f0c8f6..aec4f9d 100644
--- a/src/main/connection.c
+++ b/src/main/connection.c
@@ -110,10 +110,6 @@ struct fr_connection_pool_t {
uint32_t idle_timeout; //!< How long a connection can be idle
//!< before being closed.
- bool trigger; //!< If true execute connection triggers
- //!< associated with the connection
- //!< pool.
-
bool spread; //!< If true requests will be spread
//!< across all connections, instead of
//!< re-using the most recently used
@@ -158,6 +154,11 @@ struct fr_connection_pool_t {
//!< messages created by the connection
//!< pool code.
+ char const *trigger_prefix; //!< Prefix to prepend to
+ //!< names of all triggers
+ //!< fired by the connection
+ //!< pool code.
+
fr_connection_create_t create; //!< Function used to create new
//!< connections.
fr_connection_alive_t alive; //!< Function used to check status
@@ -271,6 +272,20 @@ static void fr_connection_link_tail(fr_connection_pool_t *pool,
}
}
+/** Send a connection pool trigger.
+ *
+ * @param[in] pool to send trigger for.
+ * @param[in] name_suffix trigger name suffix.
+ */
+static void fr_connection_exec_trigger(fr_connection_pool_t *pool,
+ char const *name_suffix)
+{
+ char name[64];
+ rad_assert(pool != NULL);
+ rad_assert(name_suffix != NULL);
+ snprintf(name, sizeof(name), "%s%s", pool->trigger_prefix, name_suffix);
+ exec_trigger(NULL, pool->cs, name, true);
+}
/** Spawns a new connection
*
@@ -403,7 +418,7 @@ static fr_connection_t *fr_connection_spawn(fr_connection_pool_t *pool,
pthread_mutex_unlock(&pool->mutex);
- if (pool->trigger) exec_trigger(NULL, pool->cs, "open", true);
+ fr_connection_exec_trigger(pool, "open");
return this;
}
@@ -436,7 +451,7 @@ static void fr_connection_close(fr_connection_pool_t *pool,
pool->active--;
}
- if (pool->trigger) exec_trigger(NULL, pool->cs, "close", true);
+ fr_connection_exec_trigger(pool, "close");
fr_connection_unlink(pool, this);
rad_assert(pool->num > 0);
@@ -542,7 +557,7 @@ void fr_connection_pool_delete(fr_connection_pool_t *pool)
fr_connection_close(pool, this);
}
- if (pool->trigger) exec_trigger(NULL, pool->cs, "stop", true);
+ fr_connection_exec_trigger(pool, "stop");
rad_assert(pool->head == NULL);
rad_assert(pool->tail == NULL);
@@ -559,33 +574,36 @@ void fr_connection_pool_delete(fr_connection_pool_t *pool)
* @param[in] opaque data pointer to pass to callbacks.
* @param[in] c Callback to create new connections.
* @param[in] a Callback to check the status of connections.
- * @param[in] prefix override, if NULL will be set automatically from the module CONF_SECTION.
+ * @param[in] log_prefix override, if NULL will be set automatically from the module CONF_SECTION.
* @return A new connection pool or NULL on error.
*/
fr_connection_pool_t *fr_connection_pool_module_init(CONF_SECTION *module,
void *opaque,
fr_connection_create_t c,
fr_connection_alive_t a,
- char const *prefix)
+ char const *log_prefix)
{
CONF_SECTION *cs, *mycs;
char buff[128];
+ char trigger_prefix[64];
fr_connection_pool_t *pool;
+ char const *cs_name1, *cs_name2;
int ret;
#define CONNECTION_POOL_CF_KEY "connection_pool"
#define parent_name(_x) cf_section_name(cf_item_parent(cf_sectiontoitem(_x)))
- if (!prefix) {
- char const *cs_name1, *cs_name2;
- cs_name1 = cf_section_name1(module);
- cs_name2 = cf_section_name2(module);
- if (!cs_name2) cs_name2 = cs_name1;
+ cs_name1 = cf_section_name1(module);
+ cs_name2 = cf_section_name2(module);
+ if (!cs_name2) cs_name2 = cs_name1;
+
+ snprintf(trigger_prefix, sizeof(trigger_prefix), "modules.%s.", cs_name1);
+ if (!log_prefix) {
snprintf(buff, sizeof(buff), "rlm_%s (%s)", cs_name1, cs_name2);
- prefix = buff;
+ log_prefix = buff;
}
/*
@@ -597,11 +615,11 @@ fr_connection_pool_t *fr_connection_pool_module_init(CONF_SECTION *module,
return NULL;
case 1:
- DEBUG4("%s: Using pool section from \"%s\"", prefix, parent_name(cs));
+ DEBUG4("%s: Using pool section from \"%s\"", log_prefix, parent_name(cs));
break;
case 0:
- DEBUG4("%s: Using local pool section", prefix);
+ DEBUG4("%s: Using local pool section", log_prefix);
break;
}
@@ -610,7 +628,7 @@ fr_connection_pool_t *fr_connection_pool_module_init(CONF_SECTION *module,
*/
mycs = cf_section_sub_find(module, "pool");
if (!mycs) {
- DEBUG4("%s: Adding pool section to \"%s\" to store pool references", prefix,
+ DEBUG4("%s: Adding pool section to \"%s\" to store pool references", log_prefix,
cf_section_name(module));
mycs = cf_section_alloc(module, "pool", NULL);
@@ -622,7 +640,7 @@ fr_connection_pool_t *fr_connection_pool_module_init(CONF_SECTION *module,
* Use our own local pool.
*/
if (!cs) {
- DEBUG4("%s: \"%s.pool\" section not found, using \"%s.pool\"", prefix,
+ DEBUG4("%s: \"%s.pool\" section not found, using \"%s.pool\"", log_prefix,
parent_name(cs), parent_name(mycs));
cs = mycs;
}
@@ -636,16 +654,16 @@ fr_connection_pool_t *fr_connection_pool_module_init(CONF_SECTION *module,
*/
pool = cf_data_find(cs, CONNECTION_POOL_CF_KEY);
if (!pool) {
- DEBUG4("%s: No pool reference found in \"%s.pool\"", prefix, parent_name(cs));
- pool = fr_connection_pool_init(module, cs, opaque, c, a, prefix);
+ DEBUG4("%s: No pool reference found in \"%s.pool\"", log_prefix, parent_name(cs));
+ pool = fr_connection_pool_init(module, cs, opaque, c, a, log_prefix, trigger_prefix);
if (!pool) return NULL;
- DEBUG4("%s: Adding pool reference %p to \"%s.pool\"", prefix, pool, parent_name(cs));
+ DEBUG4("%s: Adding pool reference %p to \"%s.pool\"", log_prefix, pool, parent_name(cs));
cf_data_add(cs, CONNECTION_POOL_CF_KEY, pool, NULL);
return pool;
}
- DEBUG4("%s: Found pool reference %p in \"%s.pool\"", prefix, pool, parent_name(cs));
+ DEBUG4("%s: Found pool reference %p in \"%s.pool\"", log_prefix, pool, parent_name(cs));
/*
* We're reusing pool data add it to our local config
@@ -653,7 +671,7 @@ fr_connection_pool_t *fr_connection_pool_module_init(CONF_SECTION *module,
* re-use a pool through this module.
*/
if (mycs != cs) {
- DEBUG4("%s: Copying pool reference %p from \"%s.pool\" to \"%s.pool\"", prefix, pool,
+ DEBUG4("%s: Copying pool reference %p from \"%s.pool\" to \"%s.pool\"", log_prefix, pool,
parent_name(cs), parent_name(mycs));
cf_data_add(mycs, CONNECTION_POOL_CF_KEY, pool, NULL);
}
@@ -676,7 +694,8 @@ fr_connection_pool_t *fr_connection_pool_module_init(CONF_SECTION *module,
* @param[in] opaque data pointer to pass to callbacks.
* @param[in] c Callback to create new connections.
* @param[in] a Callback to check the status of connections.
- * @param[in] prefix to prepend to all log messages.
+ * @param[in] log_prefix prefix to prepend to all log messages.
+ * @param[in] trigger_prefix prefix to prepend to all trigger names.
* @return A new connection pool or NULL on error.
*/
fr_connection_pool_t *fr_connection_pool_init(CONF_SECTION *parent,
@@ -684,7 +703,8 @@ fr_connection_pool_t *fr_connection_pool_init(CONF_SECTION *parent,
void *opaque,
fr_connection_create_t c,
fr_connection_alive_t a,
- char const *prefix)
+ char const *log_prefix,
+ char const *trigger_prefix)
{
uint32_t i;
fr_connection_pool_t *pool;
@@ -720,7 +740,9 @@ fr_connection_pool_t *fr_connection_pool_init(CONF_SECTION *parent,
pool->head = pool->tail = NULL;
- pool->log_prefix = prefix ? talloc_typed_strdup(pool, prefix) : "core";
+ pool->log_prefix = log_prefix ? talloc_typed_strdup(pool, log_prefix) : "core";
+ pool->trigger_prefix = trigger_prefix ?
+ talloc_typed_strdup(pool, trigger_prefix) : "";
#ifdef HAVE_PTHREAD_H
pthread_mutex_init(&pool->mutex, NULL);
@@ -729,7 +751,6 @@ fr_connection_pool_t *fr_connection_pool_init(CONF_SECTION *parent,
DEBUG("%s: Initialising connection pool", pool->log_prefix);
if (cf_section_parse(cs, pool, connection_config) < 0) goto error;
- if (cf_section_sub_find(cs, "trigger")) pool->trigger = true;
/*
* Some simple limits
@@ -780,7 +801,7 @@ fr_connection_pool_t *fr_connection_pool_init(CONF_SECTION *parent,
}
}
- if (pool->trigger) exec_trigger(NULL, pool->cs, "start", true);
+ fr_connection_exec_trigger(pool, "start");
return pool;
}
@@ -1222,7 +1243,7 @@ void *fr_connection_reconnect(fr_connection_pool_t *pool, void *conn)
return NULL;
}
- if (pool->trigger) exec_trigger(NULL, pool->cs, "close", true);
+ fr_connection_exec_trigger(pool, "close");
this->connection = new_conn;
pthread_mutex_unlock(&pool->mutex);
--
2.1.1
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