Annotation of embedaddon/strongswan/src/libcharon/plugins/sql/sql_plugin.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2013 Tobias Brunner
! 3: * Copyright (C) 2008 Martin Willi
! 4: * HSR Hochschule fuer Technik Rapperswil
! 5: *
! 6: * This program is free software; you can redistribute it and/or modify it
! 7: * under the terms of the GNU General Public License as published by the
! 8: * Free Software Foundation; either version 2 of the License, or (at your
! 9: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
! 10: *
! 11: * This program is distributed in the hope that it will be useful, but
! 12: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 13: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
! 14: * for more details.
! 15: */
! 16:
! 17: #include "sql_plugin.h"
! 18:
! 19: #include <daemon.h>
! 20: #include <plugins/plugin_feature.h>
! 21:
! 22: #include "sql_config.h"
! 23: #include "sql_cred.h"
! 24: #include "sql_logger.h"
! 25:
! 26: typedef struct private_sql_plugin_t private_sql_plugin_t;
! 27:
! 28: /**
! 29: * private data of sql plugin
! 30: */
! 31: struct private_sql_plugin_t {
! 32:
! 33: /**
! 34: * implements plugin interface
! 35: */
! 36: sql_plugin_t public;
! 37:
! 38: /**
! 39: * database connection instance
! 40: */
! 41: database_t *db;
! 42:
! 43: /**
! 44: * configuration backend
! 45: */
! 46: sql_config_t *config;
! 47:
! 48: /**
! 49: * credential set
! 50: */
! 51: sql_cred_t *cred;
! 52:
! 53: /**
! 54: * bus listener/logger
! 55: */
! 56: sql_logger_t *logger;
! 57: };
! 58:
! 59: METHOD(plugin_t, get_name, char*,
! 60: private_sql_plugin_t *this)
! 61: {
! 62: return "sql";
! 63: }
! 64:
! 65: /**
! 66: * Connect to database
! 67: */
! 68: static bool open_database(private_sql_plugin_t *this,
! 69: plugin_feature_t *feature, bool reg, void *cb_data)
! 70: {
! 71: if (reg)
! 72: {
! 73: char *uri;
! 74:
! 75: uri = lib->settings->get_str(lib->settings, "%s.plugins.sql.database",
! 76: NULL, lib->ns);
! 77: if (!uri)
! 78: {
! 79: DBG1(DBG_CFG, "sql plugin: database URI not set");
! 80: return FALSE;
! 81: }
! 82:
! 83: this->db = lib->db->create(lib->db, uri);
! 84: if (!this->db)
! 85: {
! 86: DBG1(DBG_CFG, "sql plugin failed to connect to database");
! 87: return FALSE;
! 88: }
! 89: this->config = sql_config_create(this->db);
! 90: this->cred = sql_cred_create(this->db);
! 91: this->logger = sql_logger_create(this->db);
! 92:
! 93: charon->backends->add_backend(charon->backends, &this->config->backend);
! 94: lib->credmgr->add_set(lib->credmgr, &this->cred->set);
! 95: charon->bus->add_logger(charon->bus, &this->logger->logger);
! 96: }
! 97: else
! 98: {
! 99: charon->backends->remove_backend(charon->backends,
! 100: &this->config->backend);
! 101: lib->credmgr->remove_set(lib->credmgr, &this->cred->set);
! 102: charon->bus->remove_logger(charon->bus, &this->logger->logger);
! 103: this->config->destroy(this->config);
! 104: this->cred->destroy(this->cred);
! 105: this->logger->destroy(this->logger);
! 106: this->db->destroy(this->db);
! 107: }
! 108: return TRUE;
! 109: }
! 110:
! 111: METHOD(plugin_t, get_features, int,
! 112: private_sql_plugin_t *this, plugin_feature_t *features[])
! 113: {
! 114: static plugin_feature_t f[] = {
! 115: PLUGIN_CALLBACK((plugin_feature_callback_t)open_database, NULL),
! 116: PLUGIN_PROVIDE(CUSTOM, "sql"),
! 117: PLUGIN_DEPENDS(DATABASE, DB_ANY),
! 118: };
! 119: *features = f;
! 120: return countof(f);
! 121: }
! 122:
! 123: METHOD(plugin_t, destroy, void,
! 124: private_sql_plugin_t *this)
! 125: {
! 126: free(this);
! 127: }
! 128:
! 129: /*
! 130: * see header file
! 131: */
! 132: plugin_t *sql_plugin_create()
! 133: {
! 134: private_sql_plugin_t *this;
! 135:
! 136: INIT(this,
! 137: .public = {
! 138: .plugin = {
! 139: .get_name = _get_name,
! 140: .get_features = _get_features,
! 141: .destroy = _destroy,
! 142: },
! 143: },
! 144: );
! 145:
! 146: return &this->public.plugin;
! 147: }
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