2013-12-29 04:53:12 +00:00
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/*
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* Copyright (C) 2013 Glyptodon LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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2012-09-04 01:16:16 +00:00
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#ifndef _GUAC_PLUGIN_H
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#define _GUAC_PLUGIN_H
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2014-04-09 22:43:09 +00:00
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#include "client-types.h"
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#include "plugin-constants.h"
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#include "plugin-types.h"
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2012-09-05 02:06:14 +00:00
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2012-09-04 01:16:16 +00:00
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/**
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* Provides functions and structures required for handling a client plugin.
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*
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* @file plugin.h
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*/
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struct guac_client_plugin {
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/**
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* Reference to dlopen'd client plugin.
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*/
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void* __client_plugin_handle;
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/**
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* Reference to the init handler of this client plugin. This
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* function will be called when the client plugin is started.
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*/
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guac_client_init_handler* init_handler;
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/**
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* NULL-terminated array of all arguments accepted by this client
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* plugin, in order. The values of these arguments will be passed
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* to the init_handler if the client plugin is started.
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*/
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const char** args;
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};
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/**
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* Open the plugin which provides support for the given protocol, if it
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* exists.
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*
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* @param protocol The name of the protocol to retrieve the client plugin
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* for.
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* @return The client plugin supporting the given protocol, or NULL if
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* an error occurs or no such plugin exists.
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*/
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guac_client_plugin* guac_client_plugin_open(const char* protocol);
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/**
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* Close the given plugin, releasing all associated resources. This function
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* must be called after use of a client plugin is finished.
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*
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* @param plugin The client plugin to close.
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* @return Zero on success, non-zero if an error occurred while releasing
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* the resources associated with the plugin.
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*/
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int guac_client_plugin_close(guac_client_plugin* plugin);
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/**
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* Initializes the given guac_client using the initialization routine provided
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* by the given guac_client_plugin.
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*
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* @param plugin The client plugin to use to initialize the new client.
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* @param client The guac_client to initialize.
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* @param argc The number of arguments being passed to the client.
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* @param argv All arguments to be passed to the client.
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* @return Zero if initialization was successful, non-zero otherwise.
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*/
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int guac_client_plugin_init_client(guac_client_plugin* plugin,
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guac_client* client, int argc, char** argv);
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#endif
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