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Annotation of embedaddon/strongswan/src/libcharon/plugins/counters/counters_plugin.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2017 Tobias Brunner
                      3:  * HSR Hochschule fuer Technik Rapperswil
                      4:  *
                      5:  * This program is free software; you can redistribute it and/or modify it
                      6:  * under the terms of the GNU General Public License as published by the
                      7:  * Free Software Foundation; either version 2 of the License, or (at your
                      8:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
                      9:  *
                     10:  * This program is distributed in the hope that it will be useful, but
                     11:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
                     12:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
                     13:  * for more details.
                     14:  */
                     15: 
                     16: #include "counters_plugin.h"
                     17: 
                     18: #include <daemon.h>
                     19: #include <plugins/plugin_feature.h>
                     20: 
                     21: #include "counters_listener.h"
                     22: 
                     23: typedef struct private_counters_plugin_t private_counters_plugin_t;
                     24: 
                     25: /**
                     26:  * Private data
                     27:  */
                     28: struct private_counters_plugin_t {
                     29: 
                     30:        /**
                     31:         * Public interface
                     32:         */
                     33:        counters_plugin_t public;
                     34: 
                     35:        /**
                     36:         * Listener implementation
                     37:         */
                     38:        counters_listener_t *listener;
                     39: };
                     40: 
                     41: METHOD(plugin_t, get_name, char*,
                     42:        private_counters_plugin_t *this)
                     43: {
                     44:        return "counters";
                     45: }
                     46: 
                     47: /**
                     48:  * Register listener
                     49:  */
                     50: static bool plugin_cb(private_counters_plugin_t *this,
                     51:                                          plugin_feature_t *feature, bool reg, void *cb_data)
                     52: {
                     53:        if (reg)
                     54:        {
                     55:                charon->bus->add_listener(charon->bus, &this->listener->listener);
                     56:        }
                     57:        else
                     58:        {
                     59:                charon->bus->remove_listener(charon->bus, &this->listener->listener);
                     60:        }
                     61:        return TRUE;
                     62: }
                     63: 
                     64: METHOD(plugin_t, get_features, int,
                     65:        private_counters_plugin_t *this, plugin_feature_t *features[])
                     66: {
                     67:        static plugin_feature_t f[] = {
                     68:                PLUGIN_CALLBACK((plugin_feature_callback_t)plugin_cb, NULL),
                     69:                        PLUGIN_PROVIDE(CUSTOM, "counters"),
                     70:        };
                     71:        *features = f;
                     72:        return countof(f);
                     73: }
                     74: 
                     75: METHOD(plugin_t, destroy, void,
                     76:        private_counters_plugin_t *this)
                     77: {
                     78:        this->listener->destroy(this->listener);
                     79:        free(this);
                     80: }
                     81: 
                     82: /*
                     83:  * Described in header
                     84:  */
                     85: plugin_t *counters_plugin_create()
                     86: {
                     87:        private_counters_plugin_t *this;
                     88: 
                     89:        INIT(this,
                     90:                .public = {
                     91:                        .plugin = {
                     92:                                .get_name = _get_name,
                     93:                                .get_features = _get_features,
                     94:                                .destroy = _destroy,
                     95:                        },
                     96:                },
                     97:                .listener = counters_listener_create(),
                     98:        );
                     99: 
                    100:        return &this->public.plugin;
                    101: }