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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [lwIP_AVR32_UC3/] [NETWORK/] [BasicWEB/] [BasicWEB.c] - Blame information for rev 617

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/*This file has been prepared for Doxygen automatic documentation generation.*/
/*! \file *********************************************************************
 *
 * \brief Basic WEB Server for AVR32 UC3.
 *
 * - Compiler:           GNU GCC for AVR32
 * - Supported devices:  All AVR32 devices can be used.
 * - AppNote:
 *
 * \author               Atmel Corporation: http://www.atmel.com \n
 *                       Support and FAQ: http://support.atmel.no/
 *
 *****************************************************************************/
 
/* Copyright (c) 2007, Atmel Corporation 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 ATMEL may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY ATMEL ``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 EXPRESSLY AND
 * SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
 */
 
 
/*
  Implements a simplistic WEB server.  Every time a connection is made and
  data is received a dynamic page that shows the current FreeRTOS.org kernel
  statistics is generated and returned.  The connection is then closed.
 
  This file was adapted from a FreeRTOS lwIP slip demo supplied by a third
  party.
*/
 
#if (HTTP_USED == 1)
 
 
/* Standard includes. */
#include <stdio.h>
#include <string.h>
 
#include "conf_eth.h"
 
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"
#include "semphr.h"
#include "partest.h"
#include "serial.h"
 
/* Demo includes. */
/* Demo app includes. */
#include "portmacro.h"
 
/* lwIP includes. */
#include "lwip/api.h"
#include "lwip/tcpip.h"
#include "lwip/memp.h"
#include "lwip/stats.h"
#include "netif/loopif.h"
 
/* ethernet includes */
#include "ethernet.h"
 
/*! The size of the buffer in which the dynamic WEB page is created. */
#define webMAX_PAGE_SIZE        512
 
/*! Standard GET response. */
#define webHTTP_OK      "HTTP/1.0 200 OK\r\nContent-type: text/html\r\n\r\n"
 
/*! The port on which we listen. */
#define webHTTP_PORT            ( 80 )
 
/*! Delay on close error. */
#define webSHORT_DELAY          ( 10 )
 
/*! Format of the dynamic page that is returned on each connection. */
#define webHTML_START \
"<html>\
<head>\
</head>\
<BODY onLoad=\"window.setTimeout(&quot;location.href='index.html'&quot;,1000)\" bgcolor=\"#FFFFFF\" text=\"#2477E6\">\
\r\nPage Hits = "
 
#define webHTML_END \
"\r\n</pre>\
\r\n</font></BODY>\
</html>"
 
portCHAR cDynamicPage[ webMAX_PAGE_SIZE ];
portCHAR cPageHits[ 11 ];
 
 
/*! Function to process the current connection */
static void prvweb_ParseHTMLRequest( struct netconn *pxNetCon );
 
 
/*! \brief WEB server main task
 *         check for incoming connection and process it
 *
 *  \param pvParameters   Input. Not Used.
 *
 */
portTASK_FUNCTION( vBasicWEBServer, pvParameters )
{
struct netconn *pxHTTPListener, *pxNewConnection;
 
        /* Create a new tcp connection handle */
        pxHTTPListener = netconn_new( NETCONN_TCP );
        netconn_bind(pxHTTPListener, NULL, webHTTP_PORT );
        netconn_listen( pxHTTPListener );
 
        /* Loop forever */
        for( ;; )
        {
                /* Wait for a first connection. */
                pxNewConnection = netconn_accept(pxHTTPListener);
                vParTestSetLED(webCONN_LED, pdTRUE);
 
                if(pxNewConnection != NULL)
                {
                        prvweb_ParseHTMLRequest(pxNewConnection);
                }/* end if new connection */
 
                vParTestSetLED(webCONN_LED, pdFALSE);
 
        } /* end infinite loop */
}
 
 
/*! \brief parse the incoming request
 *         parse the HTML request and send file
 *
 *  \param pxNetCon   Input. The netconn to use to send and receive data.
 *
 */
static void prvweb_ParseHTMLRequest( struct netconn *pxNetCon )
{
struct netbuf *pxRxBuffer;
portCHAR *pcRxString;
unsigned portSHORT usLength;
static unsigned portLONG ulPageHits = 0;
 
        /* We expect to immediately get data. */
        pxRxBuffer = netconn_recv( pxNetCon );
 
        if( pxRxBuffer != NULL )
        {
                /* Where is the data? */
                netbuf_data( pxRxBuffer, ( void * ) &pcRxString, &usLength );
 
                /* Is this a GET?  We don't handle anything else. */
                if( !strncmp( pcRxString, "GET", 3 ) )
                {
                        pcRxString = cDynamicPage;
 
                        /* Update the hit count. */
                        ulPageHits++;
                        sprintf( cPageHits, "%d", (int)ulPageHits );
 
                        /* Write out the HTTP OK header. */
                        netconn_write( pxNetCon, webHTTP_OK, (u16_t) strlen( webHTTP_OK ), NETCONN_COPY );
 
                        /* Generate the dynamic page... First the page header. */
                        strcpy( cDynamicPage, webHTML_START );
 
                        /* ... Then the hit count... */
                        strcat( cDynamicPage, cPageHits );
                        strcat( cDynamicPage, "<p><pre>Task          State  Priority  Stack     #<br>************************************************<br>" );
 
                        /* ... Then the list of tasks and their status... */
                        vTaskList( ( signed portCHAR * ) cDynamicPage + strlen( cDynamicPage ) );
 
                        /* ... Finally the page footer. */
                        strcat( cDynamicPage, webHTML_END );
 
                        /* Write out the dynamically generated page. */
                        netconn_write( pxNetCon, cDynamicPage, (u16_t) strlen( cDynamicPage ), NETCONN_COPY );
                }
                netbuf_delete( pxRxBuffer );
        }
 
        netconn_close( pxNetCon );
        netconn_delete( pxNetCon );
}
 
#endif
 

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Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [lwIP_AVR32_UC3/] [NETWORK/] [BasicWEB/] [BasicWEB.c] - Blame information for rev 617

Line No.	Rev	Author	Line
1	583	jeremybenn	`/This file has been prepared for Doxygen automatic documentation generation./`
2			`/! \file ********************************************************************`
3			`*`
4			`* \brief Basic WEB Server for AVR32 UC3.`
5			`*`
6			`* - Compiler: GNU GCC for AVR32`
7			`* - Supported devices: All AVR32 devices can be used.`
8			`* - AppNote:`
9			`*`
10			`* \author Atmel Corporation: http://www.atmel.com \n`
11			`* Support and FAQ: http://support.atmel.no/`
12			`*`
13			`*****************************************************************************/`
14
15			`/* Copyright (c) 2007, Atmel Corporation All rights reserved.`
16			`*`
17			`* Redistribution and use in source and binary forms, with or without`
18			`* modification, are permitted provided that the following conditions are met:`
19			`*`
20			`* 1. Redistributions of source code must retain the above copyright notice,`
21			`* this list of conditions and the following disclaimer.`
22			`*`
23			`* 2. Redistributions in binary form must reproduce the above copyright notice,`
24			`* this list of conditions and the following disclaimer in the documentation`
25			`* and/or other materials provided with the distribution.`
26			`*`
27			`* 3. The name of ATMEL may not be used to endorse or promote products derived`
28			`* from this software without specific prior written permission.`
29			`*`
30			* THIS SOFTWARE IS PROVIDED BY ATMEL ``AS IS'' AND ANY EXPRESS OR IMPLIED
31			`* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF`
32			`* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND`
33			`* SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT,`
34			`* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES`
35			`* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;`
36			`* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND`
37			`* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT`
38			`* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF`
39			`* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.`
40			`*/`
41
42
43			`/*`
44			`Implements a simplistic WEB server. Every time a connection is made and`
45			`data is received a dynamic page that shows the current FreeRTOS.org kernel`
46			`statistics is generated and returned. The connection is then closed.`
47
48			`This file was adapted from a FreeRTOS lwIP slip demo supplied by a third`
49			`party.`
50			`*/`
51
52			`#if (HTTP_USED == 1)`
53
54
55			`/* Standard includes. */`
56			`#include <stdio.h>`
57			`#include <string.h>`
58
59			`#include "conf_eth.h"`
60
61			`/* Scheduler includes. */`
62			`#include "FreeRTOS.h"`
63			`#include "task.h"`
64			`#include "semphr.h"`
65			`#include "partest.h"`
66			`#include "serial.h"`
67
68			`/* Demo includes. */`
69			`/* Demo app includes. */`
70			`#include "portmacro.h"`
71
72			`/* lwIP includes. */`
73			`#include "lwip/api.h"`
74			`#include "lwip/tcpip.h"`
75			`#include "lwip/memp.h"`
76			`#include "lwip/stats.h"`
77			`#include "netif/loopif.h"`
78
79			`/* ethernet includes */`
80			`#include "ethernet.h"`
81
82			`/! The size of the buffer in which the dynamic WEB page is created. /`
83			`#define webMAX_PAGE_SIZE 512`
84
85			`/! Standard GET response. /`
86			`#define webHTTP_OK "HTTP/1.0 200 OK\r\nContent-type: text/html\r\n\r\n"`
87
88			`/! The port on which we listen. /`
89			`#define webHTTP_PORT ( 80 )`
90
91			`/! Delay on close error. /`
92			`#define webSHORT_DELAY ( 10 )`
93
94			`/! Format of the dynamic page that is returned on each connection. /`
95			`#define webHTML_START \`
96			`"<html>\`
97			`<head>\`
98			`</head>\`
99			`<BODY onLoad=\"window.setTimeout("location.href='index.html'",1000)\" bgcolor=\"#FFFFFF\" text=\"#2477E6\">\`
100			`\r\nPage Hits = "`
101
102			`#define webHTML_END \`
103			`"\r\n</pre>\`
104			`\r\n</font></BODY>\`
105			`</html>"`
106
107			`portCHAR cDynamicPage[ webMAX_PAGE_SIZE ];`
108			`portCHAR cPageHits[ 11 ];`
109
110
111			`/! Function to process the current connection /`
112			`static void prvweb_ParseHTMLRequest( struct netconn *pxNetCon );`
113
114
115			`/*! \brief WEB server main task`
116			`* check for incoming connection and process it`
117			`*`
118			`* \param pvParameters Input. Not Used.`
119			`*`
120			`*/`
121			`portTASK_FUNCTION( vBasicWEBServer, pvParameters )`
122			`{`
123			`struct netconn pxHTTPListener, pxNewConnection;`
124
125			`/* Create a new tcp connection handle */`
126			`pxHTTPListener = netconn_new( NETCONN_TCP );`
127			`netconn_bind(pxHTTPListener, NULL, webHTTP_PORT );`
128			`netconn_listen( pxHTTPListener );`
129
130			`/* Loop forever */`
131			`for( ;; )`
132			`{`
133			`/* Wait for a first connection. */`
134			`pxNewConnection = netconn_accept(pxHTTPListener);`
135			`vParTestSetLED(webCONN_LED, pdTRUE);`
136
137			`if(pxNewConnection != NULL)`
138			`{`
139			`prvweb_ParseHTMLRequest(pxNewConnection);`
140			`}/* end if new connection */`
141
142			`vParTestSetLED(webCONN_LED, pdFALSE);`
143
144			`} /* end infinite loop */`
145			`}`
146
147
148			`/*! \brief parse the incoming request`
149			`* parse the HTML request and send file`
150			`*`
151			`* \param pxNetCon Input. The netconn to use to send and receive data.`
152			`*`
153			`*/`
154			`static void prvweb_ParseHTMLRequest( struct netconn *pxNetCon )`
155			`{`
156			`struct netbuf *pxRxBuffer;`
157			`portCHAR *pcRxString;`
158			`unsigned portSHORT usLength;`
159			`static unsigned portLONG ulPageHits = 0;`
160
161			`/* We expect to immediately get data. */`
162			`pxRxBuffer = netconn_recv( pxNetCon );`
163
164			`if( pxRxBuffer != NULL )`
165			`{`
166			`/* Where is the data? */`
167			`netbuf_data( pxRxBuffer, ( void * ) &pcRxString, &usLength );`
168
169			`/* Is this a GET? We don't handle anything else. */`
170			`if( !strncmp( pcRxString, "GET", 3 ) )`
171			`{`
172			`pcRxString = cDynamicPage;`
173
174			`/* Update the hit count. */`
175			`ulPageHits++;`
176			`sprintf( cPageHits, "%d", (int)ulPageHits );`
177
178			`/* Write out the HTTP OK header. */`
179			`netconn_write( pxNetCon, webHTTP_OK, (u16_t) strlen( webHTTP_OK ), NETCONN_COPY );`
180
181			`/* Generate the dynamic page... First the page header. */`
182			`strcpy( cDynamicPage, webHTML_START );`
183
184			`/* ... Then the hit count... */`
185			`strcat( cDynamicPage, cPageHits );`
186			`strcat( cDynamicPage, "<p><pre>Task State Priority Stack #<br>************************************************<br>" );`
187
188			`/* ... Then the list of tasks and their status... */`
189			`vTaskList( ( signed portCHAR * ) cDynamicPage + strlen( cDynamicPage ) );`
190
191			`/* ... Finally the page footer. */`
192			`strcat( cDynamicPage, webHTML_END );`
193
194			`/* Write out the dynamically generated page. */`
195			`netconn_write( pxNetCon, cDynamicPage, (u16_t) strlen( cDynamicPage ), NETCONN_COPY );`
196			`}`
197			`netbuf_delete( pxRxBuffer );`
198			`}`
199
200			`netconn_close( pxNetCon );`
201			`netconn_delete( pxNetCon );`
202			`}`
203
204			`#endif`
205