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sql: Use plugin features with dependency to database backend

This commit is contained in:
Tobias Brunner 2013-06-07 15:14:52 +02:00
parent 989ec772b5
commit 11a27ea28f
1 changed files with 62 additions and 33 deletions
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95
src/libcharon/plugins/sql/sql_plugin.c
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@ -1,4 +1,5 @@
/*
* Copyright (C) 2013 Tobias Brunner
* Copyright (C) 2008 Martin Willi
* Hochschule fuer Technik Rapperswil
*
@ -16,6 +17,8 @@
#include "sql_plugin.h"
#include <daemon.h>
#include <plugins/plugin_feature.h>
#include "sql_config.h"
#include "sql_cred.h"
#include "sql_logger.h"
@ -59,16 +62,67 @@ METHOD(plugin_t, get_name, char*,
return "sql";
}
/**
* Connect to database
*/
static bool open_database(private_sql_plugin_t *this,
plugin_feature_t *feature, bool reg, void *cb_data)
{
if (reg)
{
char *uri;
uri = lib->settings->get_str(lib->settings, "%s.plugins.sql.database",
NULL, charon->name);
if (!uri)
{
DBG1(DBG_CFG, "sql plugin: database URI not set");
return FALSE;
}
this->db = lib->db->create(lib->db, uri);
if (!this->db)
{
DBG1(DBG_CFG, "sql plugin failed to connect to database");
return FALSE;
}
this->config = sql_config_create(this->db);
this->cred = sql_cred_create(this->db);
this->logger = sql_logger_create(this->db);
charon->backends->add_backend(charon->backends, &this->config->backend);
lib->credmgr->add_set(lib->credmgr, &this->cred->set);
charon->bus->add_logger(charon->bus, &this->logger->logger);
}
else
{
charon->backends->remove_backend(charon->backends,
&this->config->backend);
lib->credmgr->remove_set(lib->credmgr, &this->cred->set);
charon->bus->remove_logger(charon->bus, &this->logger->logger);
this->config->destroy(this->config);
this->cred->destroy(this->cred);
this->logger->destroy(this->logger);
this->db->destroy(this->db);
}
return TRUE;
}
METHOD(plugin_t, get_features, int,
private_sql_plugin_t *this, plugin_feature_t *features[])
{
static plugin_feature_t f[] = {
PLUGIN_CALLBACK((plugin_feature_callback_t)open_database, NULL),
PLUGIN_PROVIDE(CUSTOM, "sql"),
PLUGIN_DEPENDS(DATABASE, DB_ANY),
};
*features = f;
return countof(f);
}
METHOD(plugin_t, destroy, void,
private_sql_plugin_t *this)
{
charon->backends->remove_backend(charon->backends, &this->config->backend);
lib->credmgr->remove_set(lib->credmgr, &this->cred->set);
charon->bus->remove_logger(charon->bus, &this->logger->logger);
this->config->destroy(this->config);
this->cred->destroy(this->cred);
this->logger->destroy(this->logger);
this->db->destroy(this->db);
free(this);
}
@ -77,42 +131,17 @@ METHOD(plugin_t, destroy, void,
*/
plugin_t *sql_plugin_create()
{
char *uri;
private_sql_plugin_t *this;
uri = lib->settings->get_str(lib->settings, "%s.plugins.sql.database",
NULL, charon->name);
if (!uri)
{
DBG1(DBG_CFG, "sql plugin: database URI not set");
return NULL;
}
INIT(this,
.public = {
.plugin = {
.get_name = _get_name,
.reload = (void*)return_false,
.get_features = _get_features,
.destroy = _destroy,
},
},
.db = lib->db->create(lib->db, uri),
);
if (!this->db)
{
DBG1(DBG_CFG, "sql plugin failed to connect to database");
free(this);
return NULL;
}
this->config = sql_config_create(this->db);
this->cred = sql_cred_create(this->db);
this->logger = sql_logger_create(this->db);
charon->backends->add_backend(charon->backends, &this->config->backend);
lib->credmgr->add_set(lib->credmgr, &this->cred->set);
charon->bus->add_logger(charon->bus, &this->logger->logger);
return &this->public.plugin;
}