xrdp/sesman/session.h
Pavel Roskin 6664aac00f Use "void" for empty argument list in declarations
In C, an empty argument list in a declaration means that the function
can accept any arguments. Use "void" instead, it means "no arguments".

C++ treats void and empty list as "no arguments".
2017-01-05 17:27:20 -08:00

153 lines
3.3 KiB
C

/**
* xrdp: A Remote Desktop Protocol server.
*
* Copyright (C) Jay Sorg 2004-2013
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
*
* @file session.h
* @brief Session management definitions
* @author Jay Sorg, Simone Fedele
*
*/
#ifndef SESSION_H
#define SESSION_H
#include "libscp_types.h"
#define SESMAN_SESSION_TYPE_XRDP 1
#define SESMAN_SESSION_TYPE_XVNC 2
#define SESMAN_SESSION_TYPE_XORG 3
#define SESMAN_SESSION_STATUS_ACTIVE 0x01
#define SESMAN_SESSION_STATUS_IDLE 0x02
#define SESMAN_SESSION_STATUS_DISCONNECTED 0x04
/* future expansion
#define SESMAN_SESSION_STATUS_REMCONTROL 0x08
*/
#define SESMAN_SESSION_STATUS_ALL 0xFF
#define SESMAN_SESSION_KILL_OK 0
#define SESMAN_SESSION_KILL_NULLITEM 1
#define SESMAN_SESSION_KILL_NOTFOUND 2
struct session_date
{
tui16 year;
tui8 month;
tui8 day;
tui8 hour;
tui8 minute;
};
#define zero_time(s) { (s)->year=0; (s)->month=0; (s)->day=0; (s)->hour=0; (s)->minute=0; }
struct session_item
{
char name[256];
int pid; /* pid of sesman waiting for wm to end */
int display;
int width;
int height;
int bpp;
long data;
/* status info */
unsigned char status;
unsigned char type;
/* time data */
struct session_date connect_time;
struct session_date disconnect_time;
struct session_date idle_time;
char client_ip[256];
tui8 guid[16];
};
struct session_chain
{
struct session_chain* next;
struct session_item* item;
};
/**
*
* @brief finds a session matching the supplied parameters
* @return session data or 0
*
*/
struct session_item* DEFAULT_CC
session_get_bydata(const char *name, int width, int height, int bpp, int type,
const char *client_ip);
#ifndef session_find_item
#define session_find_item(a, b, c, d, e, f) session_get_bydata(a, b, c, d, e, f);
#endif
/**
*
* @brief starts a session
* @return 0 on error, display number if success
*
*/
int DEFAULT_CC
session_start(long data, tui8 type, struct SCP_SESSION *s);
int DEFAULT_CC
session_reconnect(int display, char* username);
/**
*
* @brief kills a session
* @param pid the pid of the session to be killed
* @return
*
*/
int DEFAULT_CC
session_kill(int pid);
/**
*
* @brief sends sigkill to all sessions
* @return
*
*/
void DEFAULT_CC
session_sigkill_all(void);
/**
*
* @brief retrieves a session's descriptor
* @param pid the session pid
* @return a pointer to the session descriptor on success, NULL otherwise
*
*/
struct session_item* DEFAULT_CC
session_get_bypid(int pid);
/**
*
* @brief retrieves a session's descriptor
* @param pid the session pid
* @return a pointer to the session descriptor on success, NULL otherwise
*
*/
struct SCP_DISCONNECTED_SESSION*
session_get_byuser(const char *user, int *cnt, unsigned char flags);
#endif