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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [ColdFire_MCF52233_Eclipse/] [RTOSDemo/] [webserver/] [httpd-cgi.c] - Blame information for rev 615

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Line No. Rev Author Line
1 578 jeremybenn
/**
2
 * \addtogroup httpd
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 * @{
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 */
5
 
6
/**
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 * \file
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 *         Web server script interface
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 * \author
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 *         Adam Dunkels <adam@sics.se>
11
 *
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 */
13
 
14
/*
15
 * Copyright (c) 2001-2006, Adam Dunkels.
16
 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
19
 * modification, are permitted provided that the following conditions
20
 * are met:
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 * 1. Redistributions of source code must retain the above copyright
22
 *    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.
26
 * 3. The name of the author may not be used to endorse or promote
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 *    products derived from this software without specific prior
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 *    written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
32
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 *
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 * This file is part of the uIP TCP/IP stack.
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 *
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 * $Id: httpd-cgi.c 2 2011-07-17 20:13:17Z filepang@gmail.com $
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 *
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 */
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48
#include "uip.h"
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#include "psock.h"
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#include "httpd.h"
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#include "httpd-cgi.h"
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#include "httpd-fs.h"
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#include "FreeRTOS.h"
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#include "partest.h"
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#include <stdio.h>
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#include <string.h>
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HTTPD_CGI_CALL(file, "file-stats", file_stats);
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HTTPD_CGI_CALL(tcp, "tcp-connections", tcp_stats);
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HTTPD_CGI_CALL(net, "net-stats", net_stats);
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HTTPD_CGI_CALL(rtos, "rtos-stats", rtos_stats );
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HTTPD_CGI_CALL(io, "led-io", led_io );
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64
 
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static const struct httpd_cgi_call *calls[] = { &file, &tcp, &net, &rtos, &io, NULL };
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67
/*---------------------------------------------------------------------------*/
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static
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PT_THREAD(nullfunction(struct httpd_state *s, char *ptr))
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{
71
  PSOCK_BEGIN(&s->sout);
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  ( void ) ptr;
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  PSOCK_END(&s->sout);
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}
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/*---------------------------------------------------------------------------*/
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httpd_cgifunction
77
httpd_cgi(char *name)
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{
79
  const struct httpd_cgi_call **f;
80
 
81
  /* Find the matching name in the table, return the function. */
82
  for(f = calls; *f != NULL; ++f) {
83
    if(strncmp((*f)->name, name, strlen((*f)->name)) == 0) {
84
      return (*f)->function;
85
    }
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  }
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  return nullfunction;
88
}
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/*---------------------------------------------------------------------------*/
90
static unsigned short
91
generate_file_stats(void *arg)
92
{
93
  char *f = (char *)arg;
94
  return snprintf((char *)uip_appdata, UIP_APPDATA_SIZE, "%5u", httpd_fs_count(f));
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}
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/*---------------------------------------------------------------------------*/
97
static
98
PT_THREAD(file_stats(struct httpd_state *s, char *ptr))
99
{
100
  PSOCK_BEGIN(&s->sout);
101
 
102
  PSOCK_GENERATOR_SEND(&s->sout, generate_file_stats, strchr(ptr, ' ') + 1);
103
 
104
  PSOCK_END(&s->sout);
105
}
106
/*---------------------------------------------------------------------------*/
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static const char closed[] =   /*  "CLOSED",*/
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{0x43, 0x4c, 0x4f, 0x53, 0x45, 0x44, 0};
109
static const char syn_rcvd[] = /*  "SYN-RCVD",*/
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{0x53, 0x59, 0x4e, 0x2d, 0x52, 0x43, 0x56,
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 0x44,  0};
112
static const char syn_sent[] = /*  "SYN-SENT",*/
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{0x53, 0x59, 0x4e, 0x2d, 0x53, 0x45, 0x4e,
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 0x54,  0};
115
static const char established[] = /*  "ESTABLISHED",*/
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{0x45, 0x53, 0x54, 0x41, 0x42, 0x4c, 0x49, 0x53, 0x48,
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 0x45, 0x44, 0};
118
static const char fin_wait_1[] = /*  "FIN-WAIT-1",*/
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{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49,
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 0x54, 0x2d, 0x31, 0};
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static const char fin_wait_2[] = /*  "FIN-WAIT-2",*/
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{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49,
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 0x54, 0x2d, 0x32, 0};
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static const char closing[] = /*  "CLOSING",*/
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{0x43, 0x4c, 0x4f, 0x53, 0x49,
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 0x4e, 0x47, 0};
127
static const char time_wait[] = /*  "TIME-WAIT,"*/
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{0x54, 0x49, 0x4d, 0x45, 0x2d, 0x57, 0x41,
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 0x49, 0x54, 0};
130
static const char last_ack[] = /*  "LAST-ACK"*/
131
{0x4c, 0x41, 0x53, 0x54, 0x2d, 0x41, 0x43,
132
 0x4b, 0};
133
 
134
static const char *states[] = {
135
  closed,
136
  syn_rcvd,
137
  syn_sent,
138
  established,
139
  fin_wait_1,
140
  fin_wait_2,
141
  closing,
142
  time_wait,
143
  last_ack};
144
 
145
 
146
static unsigned short
147
generate_tcp_stats(void *arg)
148
{
149
  struct uip_conn *conn;
150
  struct httpd_state *s = (struct httpd_state *)arg;
151
 
152
  conn = &uip_conns[s->count];
153
  return snprintf((char *)uip_appdata, UIP_APPDATA_SIZE,
154
                 "<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",
155
                 htons(conn->lport),
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                 htons(conn->ripaddr[0]) >> 8,
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                 htons(conn->ripaddr[0]) & 0xff,
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                 htons(conn->ripaddr[1]) >> 8,
159
                 htons(conn->ripaddr[1]) & 0xff,
160
                 htons(conn->rport),
161
                 states[conn->tcpstateflags & UIP_TS_MASK],
162
                 conn->nrtx,
163
                 conn->timer,
164
                 (uip_outstanding(conn))? '*':' ',
165
                 (uip_stopped(conn))? '!':' ');
166
}
167
/*---------------------------------------------------------------------------*/
168
static
169
PT_THREAD(tcp_stats(struct httpd_state *s, char *ptr))
170
{
171
 
172
  PSOCK_BEGIN(&s->sout);
173
  ( void ) ptr;
174
  for(s->count = 0; s->count < UIP_CONNS; ++s->count) {
175
    if((uip_conns[s->count].tcpstateflags & UIP_TS_MASK) != UIP_CLOSED) {
176
      PSOCK_GENERATOR_SEND(&s->sout, generate_tcp_stats, s);
177
    }
178
  }
179
 
180
  PSOCK_END(&s->sout);
181
}
182
/*---------------------------------------------------------------------------*/
183
static unsigned short
184
generate_net_stats(void *arg)
185
{
186
  struct httpd_state *s = (struct httpd_state *)arg;
187
  return snprintf((char *)uip_appdata, UIP_APPDATA_SIZE,
188
                  "%5u\n", ((uip_stats_t *)&uip_stat)[s->count]);
189
}
190
 
191
static
192
PT_THREAD(net_stats(struct httpd_state *s, char *ptr))
193
{
194
  PSOCK_BEGIN(&s->sout);
195
  ( void ) ptr;
196
#if UIP_STATISTICS
197
 
198
  for(s->count = 0; s->count < sizeof(uip_stat) / sizeof(uip_stats_t);
199
      ++s->count) {
200
    PSOCK_GENERATOR_SEND(&s->sout, generate_net_stats, s);
201
  }
202
 
203
#endif /* UIP_STATISTICS */
204
 
205
  PSOCK_END(&s->sout);
206
}
207
/*---------------------------------------------------------------------------*/
208
 
209
extern void vTaskList( signed char *pcWriteBuffer );
210
extern unsigned long ulGetErrorCode( void );
211
 
212
static char cCountBuf[ 32 ];
213
long lRefreshCount = 0;
214
static unsigned short
215
generate_rtos_stats(void *arg)
216
{
217
        ( void ) arg;
218
        lRefreshCount++;
219
        sprintf( cCountBuf, "<p><br>Refresh count = %d, Error code = %d (0 = no errors)", (int)lRefreshCount, (int)ulGetErrorCode() );
220
    vTaskList( uip_appdata );
221
        strcat( uip_appdata, cCountBuf );
222
 
223
        return strlen( uip_appdata );
224
}
225
/*---------------------------------------------------------------------------*/
226
 
227
 
228
static
229
PT_THREAD(rtos_stats(struct httpd_state *s, char *ptr))
230
{
231
  PSOCK_BEGIN(&s->sout);
232
  ( void ) ptr;
233
  PSOCK_GENERATOR_SEND(&s->sout, generate_rtos_stats, NULL);
234
  PSOCK_END(&s->sout);
235
}
236
/*---------------------------------------------------------------------------*/
237
 
238
char *pcStatus;
239
extern unsigned long uxParTestGetLED( unsigned long uxLED );
240
 
241
static unsigned short generate_io_state( void *arg )
242
{
243
        ( void ) arg;
244
 
245
        if( uxParTestGetLED( 3 ) )
246
        {
247
                pcStatus = "checked";
248
        }
249
        else
250
        {
251
                pcStatus = "";
252
        }
253
 
254
        sprintf( uip_appdata,
255
                "<input type=\"checkbox\" name=\"LED0\" value=\"1\" %s>LED",
256
                pcStatus );
257
 
258
        return strlen( uip_appdata );
259
}
260
/*---------------------------------------------------------------------------*/
261
 
262
static PT_THREAD(led_io(struct httpd_state *s, char *ptr))
263
{
264
  PSOCK_BEGIN(&s->sout);
265
  ( void ) ptr;
266
  PSOCK_GENERATOR_SEND(&s->sout, generate_io_state, NULL);
267
  PSOCK_END(&s->sout);
268
}
269
/*---------------------------------------------------------------------------*/
270
 
271
void vApplicationProcessFormInput( char *pcInputString )
272
{
273
char *c = pcInputString;
274
 
275
        /* Process the form input sent by the IO page of the served HTML.
276
        This just contains an instruction to either turn on or off the LED. */
277
        while( ( *c != '?' ) && ( *c != 0x00 ) )
278
        {
279
                c++;
280
        }
281
 
282
    if( *c == '?' )
283
    {
284
        c++;
285
                if( strcmp( c, "LED0=1" ) == 0 )
286
                {
287
                        vParTestSetLED( 3, 1 );
288
                }
289
                else
290
                {
291
                        vParTestSetLED( 3, 0 );
292
                }
293
    }
294
}
295
 
296
 
297
/** @} */
298
 
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