2016-07-01 15:49:52 +10:00

116 lines
2.7 KiB
C

/*
* Original Author: Fernando RUIZ CASAS (fernando.ruiz@ctv.es)
* May 2001
* Reworked by Till Straumann and .h overhauled by Joel Sherrill.
*
* Copyright (c) 2009 embedded brains GmbH and others.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* D-82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifndef _RTEMS_TELNETD_H
#define _RTEMS_TELNETD_H
#include <rtems.h>
#include <rtems/shell.h>
#ifdef __cplusplus
extern "C" {
#endif
bool rtems_telnetd_login_check(
const char *user,
const char *passphrase
);
/**
* @brief Telnet command type.
*/
typedef void (*rtems_telnetd_command)(
char * /* device name */,
void * /* arg */
);
/**
* @brief Telnet configuration structure.
*/
typedef struct {
/**
* @brief Function invoked for each Telnet connection.
*
* The first parameter contains the device name. The second parameter
* contains the argument pointer of this configuration table.
*/
rtems_telnetd_command command;
/**
* @brief Argument for command function.
*/
void *arg;
/**
* @brief Task priority.
*
* If this parameter is equal to zero, then the priority of network task is
* used or 100 if this priority is less than two.
*/
rtems_task_priority priority;
/**
* @brief Task stack size.
*/
size_t stack_size;
/**
* @brief Login check function.
*
* Method used for login checks. Use @c NULL to disable a login check.
*/
rtems_shell_login_check_t login_check;
/**
* @brief Keep standard IO of the caller.
*
* Telnet takes over the standard input, output and error associated with
* task, if this parameter is set to @c true. In this case, it will @b not
* listen on any sockets. When this parameter is @c false, Telnet will
* create other tasks for the shell which listen on sockets.
*/
bool keep_stdio;
} rtems_telnetd_config_table;
/**
* @brief Start the Telnet subsystem with the provided configuration.
*/
rtems_status_code rtems_telnetd_start(const rtems_telnetd_config_table* config);
/**
* @brief Telnet configuration.
*
* The application must provide this configuration table. It is used by
* rtems_telnetd_initialize() to configure the Telnet subsystem. Do not modify
* the entries after the intialization since it is used internally.
*/
extern rtems_telnetd_config_table rtems_telnetd_config;
/**
* @brief Initializes the Telnet subsystem.
*
* Uses the application provided @ref rtems_telnetd_config configuration table.
*/
rtems_status_code rtems_telnetd_initialize(void);
#ifdef __cplusplus
}
#endif
#endif