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Add new psock layer; telnet session is now wrapped in a character device
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4347 7fd9a85b-ad96-42d3-883c-3090e2eb8679
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patacongo
@@ -1,14 +1,8 @@
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/****************************************************************************
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* include/apps/netutils/telnetd.h
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*
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* Copyright (C) 2007, 2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* This is a leverage of similar logic from uIP:
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*
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* Author: Adam Dunkels <adam@sics.se>
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* Copyright (c) 2003, Adam Dunkels.
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* All rights reserved.
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* Copyright (C) 2007, 2011-2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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@@ -17,35 +11,83 @@
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name Gregory Nutt nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __APPS_NETUTILS_TELNETD_H
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#define __APPS_NETUTILS_TELNETD_H
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#ifndef __APPS_INCLUDE_NETUTILS_TELNETD_H
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#define __APPS_INCLUDE_NETUTILS_TELNETD_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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/****************************************************************************
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* Included Files
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* Pre-processor Definitions
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****************************************************************************/
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/* CONFIG_TELNETD_CONSOLE - Use the first telnet session as the default
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* console.
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* CONFIG_TELNETD_NPOLLWAITERS - If the poll method is enabled, then this
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* value will defined the maximum number of threads that can be waiting
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* for events. Default: 1
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* CONFIG_TELNETD_DUMPBUFFER - dumping of all input/output buffers.
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*/
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#ifndef CONFIG_TELNETD_NPOLLWAITERS
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# define CONFIG_TELNETD_NPOLLWAITERS 1
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#endif
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/* Configurable settings */
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#ifndef CONFIG_TELNETD_IOBUFFER_SIZE
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# define CONFIG_TELNETD_IOBUFFER_SIZE 512
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#endif
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* An instance of the struct telnetd_config_s structure must be passed to
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* telnetd_start in order to configure the new telnet daemon.
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*/
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struct telnetd_config_s
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{
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/* These fields describe the telnet daemon */
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int d_port; /* The port to listen on (in network byte order) */
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int d_priority; /* The execution priority of the telnet daemon task */
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int d_stacksize; /* The stack size needed by the telnet daemon task */
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/* These fields describe the priority of each thread created by the telnet
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* daemon.
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*/
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int t_priority; /* The execution priority of the spawned task, */
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int t_stacksize; /* The stack size needed by the spawned task */
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main_t t_entry; /* The entrypoint of the task to spawn when a new
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* connection is accepted. */
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};
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/****************************************************************************
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* Public Function Prototypes
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@@ -58,13 +100,29 @@ extern "C" {
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#define EXTERN extern
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#endif
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/* Start the telnet server -- does not return unless an error occurs */
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/****************************************************************************
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* Name: telnetd_start
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*
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* Description:
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* Start the telnet daemon.
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*
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* Parameters:
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* config A pointer to a configuration structure that characterizes the
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* telnet daemon. This configuration structure may be defined
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* on the caller's stack because it is not retained by the
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* daemon.
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*
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* Return:
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* The process ID (pid) of the new telnet daemon is returned on
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* success; A negated errno is returned if the daemon was not successfully
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* started.
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*
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****************************************************************************/
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EXTERN void telnetd_init(void);
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EXTERN int telnetd_start(FAR struct telnetd_config_s *config);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __APPS_NETUTILS_TELNETD_H */
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#endif /* __APPS_INCLUDE_NETUTILS_TELNETD_H */
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