Add FreeRTOS-Plus directory.

FreeRTOS/Demo/CORTEX_A2F200_SoftConsole/WebServer/httpd-cgi.c

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+/**
+ * \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 "mss_ace.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 );
+	unsigned short usRawVoltage;
+	const ace_channel_handle_t xVoltageChannel = ( ace_channel_handle_t ) 0;
+
+	( void ) arg;
+
+	/* Are the dynamically setable LEDs currently on or off? */
+	if( lParTestGetLEDState( 3 ) )
+	{
+		pcStatus = "checked";
+	}
+	else
+	{
+		pcStatus = "";
+	}
+
+	usRawVoltage = ( unsigned short ) ACE_get_ppe_sample( xVoltageChannel );	
+	sprintf( uip_appdata, "<input type=\"checkbox\" name=\"LED0\" value=\"1\" %s>LED<p><p><p>Raw voltage input is %d", pcStatus, usRawVoltage );
+
+	return strlen( uip_appdata );
+}
+
+/*---------------------------------------------------------------------------*/
+extern void vTaskGetRunTimeStats( signed char *pcWriteBuffer );
+extern unsigned short usMaxJitter;
+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 );
+}
+
+/** @} */