guacamole-spice-protocol/src/guacd/user.h

102 lines
3.1 KiB
C

/*
* Copyright (C) 2013 Glyptodon LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef _GUACD_USER_H
#define _GUACD_USER_H
#include "config.h"
#include <guacamole/parser.h>
#include <guacamole/socket.h>
#include <guacamole/user.h>
/**
* The number of milliseconds to wait for messages in any phase before
* timing out and closing the connection with an error.
*/
#define GUACD_TIMEOUT 15000
/**
* The number of microseconds to wait for messages in any phase before
* timing out and closing the conncetion with an error. This is always
* equal to GUACD_TIMEOUT * 1000.
*/
#define GUACD_USEC_TIMEOUT (GUACD_TIMEOUT*1000)
/**
* The maximum number of concurrent connections to a single instance
* of guacd.
*/
#define GUACD_CLIENT_MAX_CONNECTIONS 65536
/**
* Parameters required by the user input thread.
*/
typedef struct guacd_user_input_thread_params {
/**
* The parser which will be used throughout the user's session.
*/
guac_parser* parser;
/**
* A reference to the connected user.
*/
guac_user* user;
} guacd_user_input_thread_params;
/**
* Starts the input/output threads of a new user. This function will block
* until the user disconnects. If an error prevents the input/output threads
* from starting, guac_user_stop() will be invoked on the given user.
*
* @param parser
* The guac_parser to use to handle all input from the given user.
*
* @param user
* The user whose associated I/O transfer threads should be started.
*
* @return
* Zero if the I/O threads started successfully and user has disconnected,
* or non-zero if the I/O threads could not be started.
*/
int guacd_user_start(guac_parser* parser, guac_user* user);
/**
* The thread which handles all user input, calling event handlers for received
* instructions.
*
* @param data
* A pointer to a guacd_user_input_thread_params structure describing the
* user whose input is being handled and the guac_parser with which to
* handle it.
*
* @return
* Always NULL.
*/
void* guacd_user_input_thread(void* data);
#endif