guacamole-spice-protocol/libguac/include/client-handlers.h
2012-10-23 11:17:25 -07:00

126 lines
4.6 KiB
C

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is libguac.
*
* The Initial Developer of the Original Code is
* Michael Jumper.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef _GUAC_CLIENT_HANDLERS__H
#define _GUAC_CLIENT_HANDLERS__H
#include "client.h"
#include "instruction.h"
/**
* Provides initial handler functions and a lookup structure for automatically
* handling client instructions. This is used only internally within libguac,
* and is not installed along with the library.
*
* @file client-handlers.h
*/
/**
* Internal handler for Guacamole instructions.
*/
typedef int __guac_instruction_handler(guac_client* client, guac_instruction* copied);
/**
* Structure mapping an instruction opcode to an instruction handler.
*/
typedef struct __guac_instruction_handler_mapping {
/**
* The instruction opcode which maps to a specific handler.
*/
char* opcode;
/**
* The handler which maps to a specific opcode.
*/
__guac_instruction_handler* handler;
} __guac_instruction_handler_mapping;
/**
* Internal initial handler for the sync instruction. When a sync instruction
* is received, this handler will be called. Sync instructions are automatically
* handled, thus there is no client handler for sync instruction.
*/
int __guac_handle_sync(guac_client* client, guac_instruction* instruction);
/**
* Internal initial handler for the mouse instruction. When a mouse instruction
* is received, this handler will be called. The client's mouse handler will
* be invoked if defined.
*/
int __guac_handle_mouse(guac_client* client, guac_instruction* instruction);
/**
* Internal initial handler for the key instruction. When a key instruction
* is received, this handler will be called. The client's key handler will
* be invoked if defined.
*/
int __guac_handle_key(guac_client* client, guac_instruction* instruction);
/**
* Internal initial handler for the clipboard instruction. When a clipboard instruction
* is received, this handler will be called. The client's clipboard handler will
* be invoked if defined.
*/
int __guac_handle_clipboard(guac_client* client, guac_instruction* instruction);
/**
* Internal initial handler for the size instruction. When a size instruction
* is received, this handler will be called. The client's size handler will
* be invoked if defined.
*/
int __guac_handle_size(guac_client* client, guac_instruction* instruction);
/**
* Internal initial handler for the disconnect instruction. When a disconnect instruction
* is received, this handler will be called. Disconnect instructions are automatically
* handled, thus there is no client handler for disconnect instruction.
*/
int __guac_handle_disconnect(guac_client* client, guac_instruction* instruction);
/**
* Instruction handler mapping table. This is a NULL-terminated array of
* __guac_instruction_handler_mapping structures, each mapping an opcode
* to a __guac_instruction_handler. The end of the array must be marked
* with a __guac_instruction_handler_mapping with the opcode set to
* NULL (the NULL terminator).
*/
extern __guac_instruction_handler_mapping __guac_instruction_handler_map[];
#endif