FreeRTOS/Demo/CORTEX_Kinetis_K60_Tower_IAR/webserver/httpd-cgi.c - third_party/github/FreeRTOS/FreeRTOS-Kernel - Git at Google

 /**
  * \addtogroup httpd
  * @{
  */

 /**
  * \file
  *         Web server script interface
  * \author
  *         Adam Dunkels <adam@sics.se>
  *
  */

 /*
  * Copyright (c) 2001-2006, Adam Dunkels.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. The name of the author may not be used to endorse or promote
  *    products derived from this software without specific prior
  *    written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  * This file is part of the uIP TCP/IP stack.
  *
  * $Id: httpd-cgi.c,v 1.2 2006/06/11 21:46:37 adam Exp $
  *
  */
 #include "net/uip.h"
 #include "net/psock.h"
 #include "apps/httpd/httpd.h"
 #include "apps/httpd/httpd-cgi.h"
 #include "apps/httpd/httpd-fs.h"

 #include <stdio.h>
 #include <string.h>

 #include "FreeRTOS.h"
 #include "task.h"

 HTTPD_CGI_CALL( file, "file-stats", file_stats );
 HTTPD_CGI_CALL( tcp, "tcp-connections", tcp_stats );
 HTTPD_CGI_CALL( net, "net-stats", net_stats );
 HTTPD_CGI_CALL( rtos, "rtos-stats", rtos_stats );
 HTTPD_CGI_CALL( run, "run-time", run_time );
 HTTPD_CGI_CALL( io, "led-io", led_io );

 static const struct httpd_cgi_call	*calls[] = { &file, &tcp, &net, &rtos, &run, &io, NULL };

 /*---------------------------------------------------------------------------*/
 static PT_THREAD( nullfunction ( struct httpd_state *s, char *ptr ) )
 {
 	PSOCK_BEGIN( &s->sout );
 	( void ) ptr;
 	( void ) PT_YIELD_FLAG;
 	PSOCK_END( &s->sout );
 }

 /*---------------------------------------------------------------------------*/
 httpd_cgifunction httpd_cgi( char *name )
 {
 	const struct httpd_cgi_call **f;

 	/* Find the matching name in the table, return the function. */
 	for( f = calls; *f != NULL; ++f )
 	{
 		if( strncmp((*f)->name, name, strlen((*f)->name)) == 0 )
 		{
 			return( *f )->function;
 		}
 	}

 	return nullfunction;
 }

 /*---------------------------------------------------------------------------*/
 static unsigned short generate_file_stats( void *arg )
 {
 	char	*f = ( char * ) arg;
 	return sprintf( ( char * ) uip_appdata, "%5u", httpd_fs_count(f) );
 }

 /*---------------------------------------------------------------------------*/
 static PT_THREAD( file_stats ( struct httpd_state *s, char *ptr ) )
 {
 	PSOCK_BEGIN( &s->sout );

 	( void ) PT_YIELD_FLAG;

 	PSOCK_GENERATOR_SEND( &s->sout, generate_file_stats, strchr(ptr, ' ') + 1 );

 	PSOCK_END( &s->sout );
 }

 /*---------------------------------------------------------------------------*/
 static const char	closed[] = /*  "CLOSED",*/ { 0x43, 0x4c, 0x4f, 0x53, 0x45, 0x44, 0 };
 static const char	syn_rcvd[] = /*  "SYN-RCVD",*/ { 0x53, 0x59, 0x4e, 0x2d, 0x52, 0x43, 0x56, 0x44, 0 };
 static const char	syn_sent[] = /*  "SYN-SENT",*/ { 0x53, 0x59, 0x4e, 0x2d, 0x53, 0x45, 0x4e, 0x54, 0 };
 static const char	established[] = /*  "ESTABLISHED",*/ { 0x45, 0x53, 0x54, 0x41, 0x42, 0x4c, 0x49, 0x53, 0x48, 0x45, 0x44, 0 };
 static const char	fin_wait_1[] = /*  "FIN-WAIT-1",*/ { 0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49, 0x54, 0x2d, 0x31, 0 };
 static const char	fin_wait_2[] = /*  "FIN-WAIT-2",*/ { 0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49, 0x54, 0x2d, 0x32, 0 };
 static const char	closing[] = /*  "CLOSING",*/ { 0x43, 0x4c, 0x4f, 0x53, 0x49, 0x4e, 0x47, 0 };
 static const char	time_wait[] = /*  "TIME-WAIT,"*/ { 0x54, 0x49, 0x4d, 0x45, 0x2d, 0x57, 0x41, 0x49, 0x54, 0 };
 static const char	last_ack[] = /*  "LAST-ACK"*/ { 0x4c, 0x41, 0x53, 0x54, 0x2d, 0x41, 0x43, 0x4b, 0 };

 static const char	*states[] = { closed, syn_rcvd, syn_sent, established, fin_wait_1, fin_wait_2, closing, time_wait, last_ack };

 static unsigned short generate_tcp_stats( void *arg )
 {
 	struct uip_conn		*conn;
 	struct httpd_state	*s = ( struct httpd_state * ) arg;

 	conn = &uip_conns[s->count];
 	return sprintf( ( char * ) uip_appdata,
 					 "<tr><td>%d</td><td>%u.%u.%u.%u:%u</td><td>%s</td><td>%u</td><td>%u</td><td>%c %c</td></tr>\r\n", htons(conn->lport),
 					 htons(conn->ripaddr.u16[0]) >> 8, htons(conn->ripaddr.u16[0]) & 0xff, htons(conn->ripaddr.u16[1]) >> 8,
 					 htons(conn->ripaddr.u16[1]) & 0xff, htons(conn->rport), states[conn->tcpstateflags & UIP_TS_MASK], conn->nrtx, conn->timer,
 					 (uip_outstanding(conn)) ? '*' : ' ', (uip_stopped(conn)) ? '!' : ' ' );
 }

 /*---------------------------------------------------------------------------*/
 static PT_THREAD( tcp_stats ( struct httpd_state *s, char *ptr ) )
 {
 	PSOCK_BEGIN( &s->sout );
 	( void ) ptr;
 	( void ) PT_YIELD_FLAG;
 	for( s->count = 0; s->count < UIP_CONNS; ++s->count )
 	{
 		if( (uip_conns[s->count].tcpstateflags & UIP_TS_MASK) != UIP_CLOSED )
 		{
 			PSOCK_GENERATOR_SEND( &s->sout, generate_tcp_stats, s );
 		}
 	}

 	PSOCK_END( &s->sout );
 }

 /*---------------------------------------------------------------------------*/
 static unsigned short generate_net_stats( void *arg )
 {
 	struct httpd_state	*s = ( struct httpd_state * ) arg;
 	return sprintf( ( char * ) uip_appdata, "%5u\n", (( uip_stats_t * ) &uip_stat)[s->count] );
 }

 static PT_THREAD( net_stats ( struct httpd_state *s, char *ptr ) )
 {
 	PSOCK_BEGIN( &s->sout );
 	( void ) ptr;
 	( void ) PT_YIELD_FLAG;
 #if UIP_STATISTICS
 	for( s->count = 0; s->count < sizeof(uip_stat) / sizeof(uip_stats_t); ++s->count )
 	{
 		PSOCK_GENERATOR_SEND( &s->sout, generate_net_stats, s );
 	}

 #endif /* UIP_STATISTICS */

 	PSOCK_END( &s->sout );
 }

 /*---------------------------------------------------------------------------*/
 extern void vTaskList( signed char *pcWriteBuffer );
 extern char *pcGetTaskStatusMessage( void );
 static char cCountBuf[128];
 long		lRefreshCount = 0;
 static unsigned short generate_rtos_stats( void *arg )
 {
 	( void ) arg;
 	lRefreshCount++;
 	sprintf( cCountBuf, "<p><br>Refresh count = %d<p><br>%s", ( int ) lRefreshCount, pcGetTaskStatusMessage() );
 	vTaskList( uip_appdata );
 	strcat( uip_appdata, cCountBuf );

 	return strlen( uip_appdata );
 }

 /*---------------------------------------------------------------------------*/
 static PT_THREAD( rtos_stats ( struct httpd_state *s, char *ptr ) )
 {
 	PSOCK_BEGIN( &s->sout );
 	( void ) ptr;
 	( void ) PT_YIELD_FLAG;
 	PSOCK_GENERATOR_SEND( &s->sout, generate_rtos_stats, NULL );
 	PSOCK_END( &s->sout );
 }

 /*---------------------------------------------------------------------------*/
 char			*pcStatus;
 unsigned long	ulString;

 static unsigned short generate_io_state( void *arg )
 {
 	extern long lParTestGetLEDState( unsigned long ulLED );
 	( void ) arg;
 	const unsigned long ulYellowLED = 2UL;

 	/* Are the dynamically setable LEDs currently on or off? */
 	if( lParTestGetLEDState( ulYellowLED ) == pdTRUE )
 	{
 		pcStatus = "checked";
 	}
 	else
 	{
 		pcStatus = "";
 	}

 	sprintf( uip_appdata, "<input type=\"checkbox\" name=\"LED0\" value=\"1\" %s>LED<p><p>", pcStatus );

 	return strlen( uip_appdata );
 }

 /*---------------------------------------------------------------------------*/
 extern void vTaskGetRunTimeStats( signed char *pcWriteBuffer );
 static unsigned short generate_runtime_stats( void *arg )
 {
 	( void ) arg;
 	lRefreshCount++;
 	sprintf( cCountBuf, "<p><br>Refresh count = %d", ( int ) lRefreshCount );
 	vTaskGetRunTimeStats( uip_appdata );
 	strcat( uip_appdata, cCountBuf );

 	return strlen( uip_appdata );
 }

 /*---------------------------------------------------------------------------*/
 static PT_THREAD( run_time ( struct httpd_state *s, char *ptr ) )
 {
 	PSOCK_BEGIN( &s->sout );
 	( void ) ptr;
 	( void ) PT_YIELD_FLAG;
 	PSOCK_GENERATOR_SEND( &s->sout, generate_runtime_stats, NULL );
 	PSOCK_END( &s->sout );
 }

 /*---------------------------------------------------------------------------*/
 static PT_THREAD( led_io ( struct httpd_state *s, char *ptr ) )
 {
 	PSOCK_BEGIN( &s->sout );
 	( void ) ptr;
 	( void ) PT_YIELD_FLAG;
 	PSOCK_GENERATOR_SEND( &s->sout, generate_io_state, NULL );
 	PSOCK_END( &s->sout );
 }

 /** @} */
	/**
	* \addtogroup httpd
	* @{
	*/

	/**
	* \file
	* Web server script interface
	* \author
	* Adam Dunkels <adam@sics.se>
	*
	*/

	/*
	* Copyright (c) 2001-2006, Adam Dunkels.
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	* 3. The name of the author may not be used to endorse or promote
	* products derived from this software without specific prior
	* written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
	* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
	* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
	* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
	* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
	* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*
	* This file is part of the uIP TCP/IP stack.
	*
	* $Id: httpd-cgi.c,v 1.2 2006/06/11 21:46:37 adam Exp $
	*
	*/
	#include "net/uip.h"
	#include "net/psock.h"
	#include "apps/httpd/httpd.h"
	#include "apps/httpd/httpd-cgi.h"
	#include "apps/httpd/httpd-fs.h"

	#include <stdio.h>
	#include <string.h>

	#include "FreeRTOS.h"
	#include "task.h"

	HTTPD_CGI_CALL( file, "file-stats", file_stats );
	HTTPD_CGI_CALL( tcp, "tcp-connections", tcp_stats );
	HTTPD_CGI_CALL( net, "net-stats", net_stats );
	HTTPD_CGI_CALL( rtos, "rtos-stats", rtos_stats );
	HTTPD_CGI_CALL( run, "run-time", run_time );
	HTTPD_CGI_CALL( io, "led-io", led_io );

	static const struct httpd_cgi_call *calls[] = { &file, &tcp, &net, &rtos, &run, &io, NULL };

	/---------------------------------------------------------------------------/
	static PT_THREAD( nullfunction ( struct httpd_state s, char ptr ) )
	{
	PSOCK_BEGIN( &s->sout );
	( void ) ptr;
	( void ) PT_YIELD_FLAG;
	PSOCK_END( &s->sout );
	}

	/---------------------------------------------------------------------------/
	httpd_cgifunction httpd_cgi( char *name )
	{
	const struct httpd_cgi_call **f;

	/* Find the matching name in the table, return the function. */
	for( f = calls; *f != NULL; ++f )
	{
	if( strncmp((f)->name, name, strlen((f)->name)) == 0 )
	{
	return( *f )->function;
	}
	}

	return nullfunction;
	}

	/---------------------------------------------------------------------------/
	static unsigned short generate_file_stats( void *arg )
	{
	char f = ( char ) arg;
	return sprintf( ( char * ) uip_appdata, "%5u", httpd_fs_count(f) );
	}

	/---------------------------------------------------------------------------/
	static PT_THREAD( file_stats ( struct httpd_state s, char ptr ) )
	{
	PSOCK_BEGIN( &s->sout );

	( void ) PT_YIELD_FLAG;

	PSOCK_GENERATOR_SEND( &s->sout, generate_file_stats, strchr(ptr, ' ') + 1 );

	PSOCK_END( &s->sout );
	}

	/---------------------------------------------------------------------------/
	static const char closed[] = /* "CLOSED",*/ { 0x43, 0x4c, 0x4f, 0x53, 0x45, 0x44, 0 };
	static const char syn_rcvd[] = /* "SYN-RCVD",*/ { 0x53, 0x59, 0x4e, 0x2d, 0x52, 0x43, 0x56, 0x44, 0 };
	static const char syn_sent[] = /* "SYN-SENT",*/ { 0x53, 0x59, 0x4e, 0x2d, 0x53, 0x45, 0x4e, 0x54, 0 };
	static const char established[] = /* "ESTABLISHED",*/ { 0x45, 0x53, 0x54, 0x41, 0x42, 0x4c, 0x49, 0x53, 0x48, 0x45, 0x44, 0 };
	static const char fin_wait_1[] = /* "FIN-WAIT-1",*/ { 0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49, 0x54, 0x2d, 0x31, 0 };
	static const char fin_wait_2[] = /* "FIN-WAIT-2",*/ { 0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49, 0x54, 0x2d, 0x32, 0 };
	static const char closing[] = /* "CLOSING",*/ { 0x43, 0x4c, 0x4f, 0x53, 0x49, 0x4e, 0x47, 0 };
	static const char time_wait[] = /* "TIME-WAIT,"*/ { 0x54, 0x49, 0x4d, 0x45, 0x2d, 0x57, 0x41, 0x49, 0x54, 0 };
	static const char last_ack[] = /* "LAST-ACK"*/ { 0x4c, 0x41, 0x53, 0x54, 0x2d, 0x41, 0x43, 0x4b, 0 };

	static const char *states[] = { closed, syn_rcvd, syn_sent, established, fin_wait_1, fin_wait_2, closing, time_wait, last_ack };

	static unsigned short generate_tcp_stats( void *arg )
	{
	struct uip_conn *conn;
	struct httpd_state s = ( struct httpd_state ) arg;

	conn = &uip_conns[s->count];
	return sprintf( ( char * ) uip_appdata,
	"<tr><td>%d</td><td>%u.%u.%u.%u:%u</td><td>%s</td><td>%u</td><td>%u</td><td>%c %c</td></tr>\r\n", htons(conn->lport),
	htons(conn->ripaddr.u16[0]) >> 8, htons(conn->ripaddr.u16[0]) & 0xff, htons(conn->ripaddr.u16[1]) >> 8,
	htons(conn->ripaddr.u16[1]) & 0xff, htons(conn->rport), states[conn->tcpstateflags & UIP_TS_MASK], conn->nrtx, conn->timer,
	(uip_outstanding(conn)) ? '*' : ' ', (uip_stopped(conn)) ? '!' : ' ' );
	}

	/---------------------------------------------------------------------------/
	static PT_THREAD( tcp_stats ( struct httpd_state s, char ptr ) )
	{
	PSOCK_BEGIN( &s->sout );
	( void ) ptr;
	( void ) PT_YIELD_FLAG;
	for( s->count = 0; s->count < UIP_CONNS; ++s->count )
	{
	if( (uip_conns[s->count].tcpstateflags & UIP_TS_MASK) != UIP_CLOSED )
	{
	PSOCK_GENERATOR_SEND( &s->sout, generate_tcp_stats, s );
	}
	}

	PSOCK_END( &s->sout );
	}

	/---------------------------------------------------------------------------/
	static unsigned short generate_net_stats( void *arg )
	{
	struct httpd_state s = ( struct httpd_state ) arg;
	return sprintf( ( char * ) uip_appdata, "%5u\n", (( uip_stats_t * ) &uip_stat)[s->count] );
	}

	static PT_THREAD( net_stats ( struct httpd_state s, char ptr ) )
	{
	PSOCK_BEGIN( &s->sout );
	( void ) ptr;
	( void ) PT_YIELD_FLAG;
	#if UIP_STATISTICS
	for( s->count = 0; s->count < sizeof(uip_stat) / sizeof(uip_stats_t); ++s->count )
	{
	PSOCK_GENERATOR_SEND( &s->sout, generate_net_stats, s );
	}

	#endif /* UIP_STATISTICS */

	PSOCK_END( &s->sout );
	}

	/---------------------------------------------------------------------------/
	extern void vTaskList( signed char *pcWriteBuffer );
	extern char *pcGetTaskStatusMessage( void );
	static char cCountBuf[128];
	long lRefreshCount = 0;
	static unsigned short generate_rtos_stats( void *arg )
	{
	( void ) arg;
	lRefreshCount++;
	sprintf( cCountBuf, "<p><br>Refresh count = %d<p><br>%s", ( int ) lRefreshCount, pcGetTaskStatusMessage() );
	vTaskList( uip_appdata );
	strcat( uip_appdata, cCountBuf );

	return strlen( uip_appdata );
	}

	/---------------------------------------------------------------------------/
	static PT_THREAD( rtos_stats ( struct httpd_state s, char ptr ) )
	{
	PSOCK_BEGIN( &s->sout );
	( void ) ptr;
	( void ) PT_YIELD_FLAG;
	PSOCK_GENERATOR_SEND( &s->sout, generate_rtos_stats, NULL );
	PSOCK_END( &s->sout );
	}

	/---------------------------------------------------------------------------/
	char *pcStatus;
	unsigned long ulString;

	static unsigned short generate_io_state( void *arg )
	{
	extern long lParTestGetLEDState( unsigned long ulLED );
	( void ) arg;
	const unsigned long ulYellowLED = 2UL;

	/* Are the dynamically setable LEDs currently on or off? */
	if( lParTestGetLEDState( ulYellowLED ) == pdTRUE )
	{
	pcStatus = "checked";
	}
	else
	{
	pcStatus = "";
	}

	sprintf( uip_appdata, "<input type=\"checkbox\" name=\"LED0\" value=\"1\" %s>LED<p><p>", pcStatus );

	return strlen( uip_appdata );
	}

	/---------------------------------------------------------------------------/
	extern void vTaskGetRunTimeStats( signed char *pcWriteBuffer );
	static unsigned short generate_runtime_stats( void *arg )
	{
	( void ) arg;
	lRefreshCount++;
	sprintf( cCountBuf, "<p><br>Refresh count = %d", ( int ) lRefreshCount );
	vTaskGetRunTimeStats( uip_appdata );
	strcat( uip_appdata, cCountBuf );

	return strlen( uip_appdata );
	}

	/---------------------------------------------------------------------------/
	static PT_THREAD( run_time ( struct httpd_state s, char ptr ) )
	{
	PSOCK_BEGIN( &s->sout );
	( void ) ptr;
	( void ) PT_YIELD_FLAG;
	PSOCK_GENERATOR_SEND( &s->sout, generate_runtime_stats, NULL );
	PSOCK_END( &s->sout );
	}

	/---------------------------------------------------------------------------/
	static PT_THREAD( led_io ( struct httpd_state s, char ptr ) )
	{
	PSOCK_BEGIN( &s->sout );
	( void ) ptr;
	( void ) PT_YIELD_FLAG;
	PSOCK_GENERATOR_SEND( &s->sout, generate_io_state, NULL );
	PSOCK_END( &s->sout );
	}

	/** @} */