/**
* 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 <time.h>
#include "guid.h"
#include "scp_application_types.h"
#include "xrdp_constants.h"
struct login_info;
struct proc_exit_status;
/**
* Information used to start a session
*/
struct session_parameters
{
unsigned int display;
enum scp_session_type type;
unsigned short width;
unsigned short height;
unsigned char bpp;
struct guid guid;
const char *shell; // Must not be NULL
const char *directory; // Must not be NULL
};
/**
* Data involved in running a session ( opaque type )
*
* Allocate with session_start ( ) and free with
* session_data_free ( ) once session_active ( ) returns zero .
*/
struct session_data;
/**
*
* @ brief starts a session
*
* @ param login_info info for logged in user
* @ param s Session parameters
* @ param [ out ] session_data Pointer to session data for the session
*
* session_data is only set if E_SCP_CREATE_OK is returned
* @ return status
*/
enum scp_screate_status
session_start(struct login_info *login_info,
const struct session_parameters *s,
struct session_data **session_data);
/**
* Processes an exited child process
*
* The PID of the child process is removed from the session_data .
*
* @ param sd session_data for this session
* @ param pid PID of exited process
* @ param e Exit status of the exited process
*/
void
session_process_child_exit(struct session_data *sd,
int pid,
const struct proc_exit_status *e);
/**
* Returns a count of active processes in the session
*
* @ param sd session_data for this session
*/
unsigned int
session_active(const struct session_data *sd);
/**
* Returns the start time for an active session
*
* @ param sd session_data for this session
*/
time_t
session_get_start_time(const struct session_data *sd);
/***
* Ask a session to terminate by signalling the window manager
*
* @ param sd session_data for this session
*/
void
session_send_term(struct session_data *sd);
/**
* Frees a session_data object
*
* @ param sd session_data for this session
*
* Do not call this until session_active ( ) returns zero , or you
* lose the ability to track the session PIDs
*/
void
session_data_free(struct session_data *session_data);
/**
* Runs the reconnect script for the session
*/
void
session_reconnect(struct login_info *login_info,
struct session_data *sd);
#endif // SESSION_H
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