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