8 * Web server script interface
10 * Adam Dunkels <adam@sics.se>
15 * Copyright (c) 2001-2006, Adam Dunkels.
16 * All rights reserved.
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
21 * 1. Redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer.
23 * 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
30 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
31 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
32 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
34 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
36 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
37 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
38 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
39 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
40 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 * This file is part of the uIP TCP/IP stack.
44 * $Id: httpd-cgi.c,v 1.2 2006/06/11 21:46:37 adam Exp $
48 #include "net/psock.h"
49 #include "apps/httpd/httpd.h"
50 #include "apps/httpd/httpd-cgi.h"
51 #include "apps/httpd/httpd-fs.h"
59 HTTPD_CGI_CALL( file, "file-stats", file_stats );
60 HTTPD_CGI_CALL( tcp, "tcp-connections", tcp_stats );
61 HTTPD_CGI_CALL( net, "net-stats", net_stats );
62 HTTPD_CGI_CALL( rtos, "rtos-stats", rtos_stats );
63 HTTPD_CGI_CALL( run, "run-time", run_time );
64 HTTPD_CGI_CALL( io, "led-io", led_io );
66 static const struct httpd_cgi_call *calls[] = { &file, &tcp, &net, &rtos, &run, &io, NULL };
68 /*---------------------------------------------------------------------------*/
69 static PT_THREAD( nullfunction ( struct httpd_state *s, char *ptr ) )
71 PSOCK_BEGIN( &s->sout );
73 ( void ) PT_YIELD_FLAG;
74 PSOCK_END( &s->sout );
77 /*---------------------------------------------------------------------------*/
78 httpd_cgifunction httpd_cgi( char *name )
80 const struct httpd_cgi_call **f;
82 /* Find the matching name in the table, return the function. */
83 for( f = calls; *f != NULL; ++f )
85 if( strncmp((*f)->name, name, strlen((*f)->name)) == 0 )
87 return( *f )->function;
94 /*---------------------------------------------------------------------------*/
95 static unsigned short generate_file_stats( void *arg )
97 char *f = ( char * ) arg;
98 return sprintf( ( char * ) uip_appdata, "%5u", httpd_fs_count(f) );
101 /*---------------------------------------------------------------------------*/
102 static PT_THREAD( file_stats ( struct httpd_state *s, char *ptr ) )
104 PSOCK_BEGIN( &s->sout );
106 ( void ) PT_YIELD_FLAG;
108 PSOCK_GENERATOR_SEND( &s->sout, generate_file_stats, strchr(ptr, ' ') + 1 );
110 PSOCK_END( &s->sout );
113 /*---------------------------------------------------------------------------*/
114 static const char closed[] = /* "CLOSED",*/ { 0x43, 0x4c, 0x4f, 0x53, 0x45, 0x44, 0 };
115 static const char syn_rcvd[] = /* "SYN-RCVD",*/ { 0x53, 0x59, 0x4e, 0x2d, 0x52, 0x43, 0x56, 0x44, 0 };
116 static const char syn_sent[] = /* "SYN-SENT",*/ { 0x53, 0x59, 0x4e, 0x2d, 0x53, 0x45, 0x4e, 0x54, 0 };
117 static const char established[] = /* "ESTABLISHED",*/ { 0x45, 0x53, 0x54, 0x41, 0x42, 0x4c, 0x49, 0x53, 0x48, 0x45, 0x44, 0 };
118 static const char fin_wait_1[] = /* "FIN-WAIT-1",*/ { 0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49, 0x54, 0x2d, 0x31, 0 };
119 static const char fin_wait_2[] = /* "FIN-WAIT-2",*/ { 0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49, 0x54, 0x2d, 0x32, 0 };
120 static const char closing[] = /* "CLOSING",*/ { 0x43, 0x4c, 0x4f, 0x53, 0x49, 0x4e, 0x47, 0 };
121 static const char time_wait[] = /* "TIME-WAIT,"*/ { 0x54, 0x49, 0x4d, 0x45, 0x2d, 0x57, 0x41, 0x49, 0x54, 0 };
122 static const char last_ack[] = /* "LAST-ACK"*/ { 0x4c, 0x41, 0x53, 0x54, 0x2d, 0x41, 0x43, 0x4b, 0 };
124 static const char *states[] = { closed, syn_rcvd, syn_sent, established, fin_wait_1, fin_wait_2, closing, time_wait, last_ack };
126 static unsigned short generate_tcp_stats( void *arg )
128 struct uip_conn *conn;
129 struct httpd_state *s = ( struct httpd_state * ) arg;
131 conn = &uip_conns[s->count];
132 return sprintf( ( char * ) uip_appdata,
133 "<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),
134 htons(conn->ripaddr.u16[0]) >> 8, htons(conn->ripaddr.u16[0]) & 0xff, htons(conn->ripaddr.u16[1]) >> 8,
135 htons(conn->ripaddr.u16[1]) & 0xff, htons(conn->rport), states[conn->tcpstateflags & UIP_TS_MASK], conn->nrtx, conn->timer,
136 (uip_outstanding(conn)) ? '*' : ' ', (uip_stopped(conn)) ? '!' : ' ' );
139 /*---------------------------------------------------------------------------*/
140 static PT_THREAD( tcp_stats ( struct httpd_state *s, char *ptr ) )
142 PSOCK_BEGIN( &s->sout );
144 ( void ) PT_YIELD_FLAG;
145 for( s->count = 0; s->count < UIP_CONNS; ++s->count )
147 if( (uip_conns[s->count].tcpstateflags & UIP_TS_MASK) != UIP_CLOSED )
149 PSOCK_GENERATOR_SEND( &s->sout, generate_tcp_stats, s );
153 PSOCK_END( &s->sout );
156 /*---------------------------------------------------------------------------*/
157 static unsigned short generate_net_stats( void *arg )
159 struct httpd_state *s = ( struct httpd_state * ) arg;
160 return sprintf( ( char * ) uip_appdata, "%5u\n", (( uip_stats_t * ) &uip_stat)[s->count] );
163 static PT_THREAD( net_stats ( struct httpd_state *s, char *ptr ) )
165 PSOCK_BEGIN( &s->sout );
167 ( void ) PT_YIELD_FLAG;
169 for( s->count = 0; s->count < sizeof(uip_stat) / sizeof(uip_stats_t); ++s->count )
171 PSOCK_GENERATOR_SEND( &s->sout, generate_net_stats, s );
174 #endif /* UIP_STATISTICS */
176 PSOCK_END( &s->sout );
179 /*---------------------------------------------------------------------------*/
180 extern void vTaskList( char *pcWriteBuffer );
181 extern char *pcGetTaskStatusMessage( void );
182 static char cCountBuf[128];
183 long lRefreshCount = 0;
184 static unsigned short generate_rtos_stats( void *arg )
188 sprintf( cCountBuf, "<p><br>Refresh count = %d<p><br>%s", ( int ) lRefreshCount, pcGetTaskStatusMessage() );
189 vTaskList( ( char * ) uip_appdata );
190 strcat( uip_appdata, cCountBuf );
192 return strlen( uip_appdata );
195 /*---------------------------------------------------------------------------*/
196 static PT_THREAD( rtos_stats ( struct httpd_state *s, char *ptr ) )
198 PSOCK_BEGIN( &s->sout );
200 ( void ) PT_YIELD_FLAG;
201 PSOCK_GENERATOR_SEND( &s->sout, generate_rtos_stats, NULL );
202 PSOCK_END( &s->sout );
205 /*---------------------------------------------------------------------------*/
207 unsigned long ulString;
209 static unsigned short generate_io_state( void *arg )
211 extern long lParTestGetLEDState( unsigned long ulLED );
214 /* Are the dynamically setable LEDs currently on or off? */
215 if( lParTestGetLEDState( 3 ) )
217 pcStatus = "checked";
224 sprintf( uip_appdata, "<input type=\"checkbox\" name=\"LED0\" value=\"1\" %s>LED<p><p>", pcStatus );
226 return strlen( uip_appdata );
229 /*---------------------------------------------------------------------------*/
230 extern void vTaskGetRunTimeStats( char *pcWriteBuffer );
231 extern unsigned short usMaxJitter;
232 static char cJitterBuffer[ 200 ];
233 static unsigned short generate_runtime_stats( void *arg )
237 sprintf( cCountBuf, "<p><br>Refresh count = %d", ( int ) lRefreshCount );
239 #ifdef INCLUDE_HIGH_FREQUENCY_TIMER_TEST
241 sprintf( cJitterBuffer, "<p><br>Max high frequency timer jitter = %d peripheral clock periods.<p><br>", ( int ) usMaxJitter );
242 vTaskGetRunTimeStats( ( char * ) uip_appdata );
243 strcat( uip_appdata, cJitterBuffer );
247 ( void ) cJitterBuffer;
248 strcpy( uip_appdata, "<p>Run time stats are only available in the debug_with_optimisation build configuration.<p>" );
252 strcat( uip_appdata, cCountBuf );
254 return strlen( uip_appdata );
257 /*---------------------------------------------------------------------------*/
258 static PT_THREAD( run_time ( struct httpd_state *s, char *ptr ) )
260 PSOCK_BEGIN( &s->sout );
262 ( void ) PT_YIELD_FLAG;
263 PSOCK_GENERATOR_SEND( &s->sout, generate_runtime_stats, NULL );
264 PSOCK_END( &s->sout );
267 /*---------------------------------------------------------------------------*/
268 static PT_THREAD( led_io ( struct httpd_state *s, char *ptr ) )
270 PSOCK_BEGIN( &s->sout );
272 ( void ) PT_YIELD_FLAG;
273 PSOCK_GENERATOR_SEND( &s->sout, generate_io_state, NULL );
274 PSOCK_END( &s->sout );