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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [CORTEX_LM3Sxxxx_Eclipse/] [RTOSDemo/] [webserver/] [httpd-cgi.c] - Blame information for rev 581

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Line No. Rev Author Line
1 581 jeremybenn
/**
2
 * \addtogroup httpd
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 * @{
4
 */
5
 
6
/**
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 * \file
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 *         Web server script interface
9
 * \author
10
 *         Adam Dunkels <adam@sics.se>
11
 *
12
 */
13
 
14
/*
15
 * Copyright (c) 2001-2006, Adam Dunkels.
16
 * All rights reserved.
17
 *
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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:
21
 * 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
24
 *    notice, this list of conditions and the following disclaimer in the
25
 *    documentation and/or other materials provided with the distribution.
26
 * 3. The name of the author may not be used to endorse or promote
27
 *    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,
38
 * 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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 *
46
 */
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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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54
#include <stdio.h>
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#include <string.h>
56
 
57
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(run, "run-time", run_time );
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HTTPD_CGI_CALL(io, "led-io", led_io );
63
 
64
 
65
static const struct httpd_cgi_call *calls[] = { &file, &tcp, &net, &rtos, &run, &io, NULL };
66
 
67
/*---------------------------------------------------------------------------*/
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static
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PT_THREAD(nullfunction(struct httpd_state *s, char *ptr))
70
{
71
  PSOCK_BEGIN(&s->sout);
72
  PSOCK_END(&s->sout);
73
}
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/*---------------------------------------------------------------------------*/
75
httpd_cgifunction
76
httpd_cgi(char *name)
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{
78
  const struct httpd_cgi_call **f;
79
 
80
  /* Find the matching name in the table, return the function. */
81
  for(f = calls; *f != NULL; ++f) {
82
    if(strncmp((*f)->name, name, strlen((*f)->name)) == 0) {
83
      return (*f)->function;
84
    }
85
  }
86
  return nullfunction;
87
}
88
/*---------------------------------------------------------------------------*/
89
static unsigned short
90
generate_file_stats(void *arg)
91
{
92
  char *f = (char *)arg;
93
  return snprintf((char *)uip_appdata, UIP_APPDATA_SIZE, "%5u", httpd_fs_count(f));
94
}
95
/*---------------------------------------------------------------------------*/
96
static
97
PT_THREAD(file_stats(struct httpd_state *s, char *ptr))
98
{
99
  PSOCK_BEGIN(&s->sout);
100
 
101
  PSOCK_GENERATOR_SEND(&s->sout, generate_file_stats, strchr(ptr, ' ') + 1);
102
 
103
  PSOCK_END(&s->sout);
104
}
105
/*---------------------------------------------------------------------------*/
106
static const char closed[] =   /*  "CLOSED",*/
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{0x43, 0x4c, 0x4f, 0x53, 0x45, 0x44, 0};
108
static const char syn_rcvd[] = /*  "SYN-RCVD",*/
109
{0x53, 0x59, 0x4e, 0x2d, 0x52, 0x43, 0x56,
110
 0x44,  0};
111
static const char syn_sent[] = /*  "SYN-SENT",*/
112
{0x53, 0x59, 0x4e, 0x2d, 0x53, 0x45, 0x4e,
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 0x54,  0};
114
static const char established[] = /*  "ESTABLISHED",*/
115
{0x45, 0x53, 0x54, 0x41, 0x42, 0x4c, 0x49, 0x53, 0x48,
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 0x45, 0x44, 0};
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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};
120
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};
126
static const char time_wait[] = /*  "TIME-WAIT,"*/
127
{0x54, 0x49, 0x4d, 0x45, 0x2d, 0x57, 0x41,
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 0x49, 0x54, 0};
129
static const char last_ack[] = /*  "LAST-ACK"*/
130
{0x4c, 0x41, 0x53, 0x54, 0x2d, 0x41, 0x43,
131
 0x4b, 0};
132
 
133
static const char *states[] = {
134
  closed,
135
  syn_rcvd,
136
  syn_sent,
137
  established,
138
  fin_wait_1,
139
  fin_wait_2,
140
  closing,
141
  time_wait,
142
  last_ack};
143
 
144
 
145
static unsigned short
146
generate_tcp_stats(void *arg)
147
{
148
  struct uip_conn *conn;
149
  struct httpd_state *s = (struct httpd_state *)arg;
150
 
151
  conn = &uip_conns[s->count];
152
  return snprintf((char *)uip_appdata, UIP_APPDATA_SIZE,
153
                 "<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",
154
                 htons(conn->lport),
155
                 htons(conn->ripaddr[0]) >> 8,
156
                 htons(conn->ripaddr[0]) & 0xff,
157
                 htons(conn->ripaddr[1]) >> 8,
158
                 htons(conn->ripaddr[1]) & 0xff,
159
                 htons(conn->rport),
160
                 states[conn->tcpstateflags & UIP_TS_MASK],
161
                 conn->nrtx,
162
                 conn->timer,
163
                 (uip_outstanding(conn))? '*':' ',
164
                 (uip_stopped(conn))? '!':' ');
165
}
166
/*---------------------------------------------------------------------------*/
167
static
168
PT_THREAD(tcp_stats(struct httpd_state *s, char *ptr))
169
{
170
 
171
  PSOCK_BEGIN(&s->sout);
172
 
173
  for(s->count = 0; s->count < UIP_CONNS; ++s->count) {
174
    if((uip_conns[s->count].tcpstateflags & UIP_TS_MASK) != UIP_CLOSED) {
175
      PSOCK_GENERATOR_SEND(&s->sout, generate_tcp_stats, s);
176
    }
177
  }
178
 
179
  PSOCK_END(&s->sout);
180
}
181
/*---------------------------------------------------------------------------*/
182
static unsigned short
183
generate_net_stats(void *arg)
184
{
185
  struct httpd_state *s = (struct httpd_state *)arg;
186
  return snprintf((char *)uip_appdata, UIP_APPDATA_SIZE,
187
                  "%5u\n", ((uip_stats_t *)&uip_stat)[s->count]);
188
}
189
 
190
static
191
PT_THREAD(net_stats(struct httpd_state *s, char *ptr))
192
{
193
  PSOCK_BEGIN(&s->sout);
194
 
195
#if UIP_STATISTICS
196
 
197
  for(s->count = 0; s->count < sizeof(uip_stat) / sizeof(uip_stats_t);
198
      ++s->count) {
199
    PSOCK_GENERATOR_SEND(&s->sout, generate_net_stats, s);
200
  }
201
 
202
#endif /* UIP_STATISTICS */
203
 
204
  PSOCK_END(&s->sout);
205
}
206
/*---------------------------------------------------------------------------*/
207
 
208
extern void vTaskList( signed char *pcWriteBuffer );
209
static char cCountBuf[ 32 ];
210
long lRefreshCount = 0;
211
static unsigned short
212
generate_rtos_stats(void *arg)
213
{
214
        lRefreshCount++;
215
        sprintf( cCountBuf, "<p><br>Refresh count = %d", lRefreshCount );
216
    vTaskList( uip_appdata );
217
        strcat( uip_appdata, cCountBuf );
218
 
219
        return strlen( uip_appdata );
220
}
221
/*---------------------------------------------------------------------------*/
222
 
223
 
224
static
225
PT_THREAD(rtos_stats(struct httpd_state *s, char *ptr))
226
{
227
  PSOCK_BEGIN(&s->sout);
228
  PSOCK_GENERATOR_SEND(&s->sout, generate_rtos_stats, NULL);
229
  PSOCK_END(&s->sout);
230
}
231
/*---------------------------------------------------------------------------*/
232
 
233
char *pcStatus;
234
extern unsigned long uxParTestGetLED( unsigned long uxLED );
235
 
236
static unsigned short generate_io_state( void *arg )
237
{
238
        if( uxParTestGetLED( 0 ) )
239
        {
240
                pcStatus = "checked";
241
        }
242
        else
243
        {
244
                pcStatus = "";
245
        }
246
 
247
        sprintf( uip_appdata,
248
                "<input type=\"checkbox\" name=\"LED0\" value=\"1\" %s>LED"\
249
                "<p>"\
250
                "<input type=\"text\" name=\"LCD\" value=\"Enter LCD text\" size=\"16\">",
251
                pcStatus );
252
 
253
        return strlen( uip_appdata );
254
}
255
/*---------------------------------------------------------------------------*/
256
 
257
extern void vTaskGetRunTimeStats( signed char *pcWriteBuffer );
258
static unsigned short
259
generate_runtime_stats(void *arg)
260
{
261
        lRefreshCount++;
262
        sprintf( cCountBuf, "<p><br>Refresh count = %d", lRefreshCount );
263
    vTaskGetRunTimeStats( uip_appdata );
264
        strcat( uip_appdata, cCountBuf );
265
 
266
        return strlen( uip_appdata );
267
}
268
/*---------------------------------------------------------------------------*/
269
 
270
 
271
static
272
PT_THREAD(run_time(struct httpd_state *s, char *ptr))
273
{
274
  PSOCK_BEGIN(&s->sout);
275
  PSOCK_GENERATOR_SEND(&s->sout, generate_runtime_stats, NULL);
276
  PSOCK_END(&s->sout);
277
}
278
/*---------------------------------------------------------------------------*/
279
 
280
static PT_THREAD(led_io(struct httpd_state *s, char *ptr))
281
{
282
  PSOCK_BEGIN(&s->sout);
283
  PSOCK_GENERATOR_SEND(&s->sout, generate_io_state, NULL);
284
  PSOCK_END(&s->sout);
285
}
286
 
287
/** @} */
288
 
289
 
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