begriffs open source - cmsis-freertos/blob - Demo/CORTEX_A2F200

1 /**

2 * \addtogroup httpd

3 * @{

4 */

6 /**

7 * \file

8 * Web server script interface

9 * \author

10 * Adam Dunkels <adam@sics.se>

11 *

12 */

14 /*

17 *

18 * 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.

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

28 * written permission.

29 *

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.

41 *

42 * This file is part of the uIP TCP/IP stack.

43 *

44 * $Id: httpd-cgi.c,v 1.2 2006/06/11 21:46:37 adam Exp $

45 *

46 */

47 #include "net/uip.h"

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"

52 #include "mss_ace.h"

54 #include <stdio.h>

55 #include <string.h>

57 #include "FreeRTOS.h"

58 #include "task.h"

60 HTTPD_CGI_CALL( file, "file-stats", file_stats );

61 HTTPD_CGI_CALL( tcp, "tcp-connections", tcp_stats );

62 HTTPD_CGI_CALL( net, "net-stats", net_stats );

63 HTTPD_CGI_CALL( rtos, "rtos-stats", rtos_stats );

64 HTTPD_CGI_CALL( run, "run-time", run_time );

65 HTTPD_CGI_CALL( io, "led-io", led_io );

67 static const struct httpd_cgi_call *calls[] = { &file, &tcp, &net, &rtos, &run, &io, NULL };

69 /*---------------------------------------------------------------------------*/

70 static PT_THREAD( nullfunction ( struct httpd_state *s, char *ptr ) )

71 {

72 PSOCK_BEGIN( &s->sout );

73 ( void ) ptr;

74 ( void ) PT_YIELD_FLAG;

75 PSOCK_END( &s->sout );

76 }

78 /*---------------------------------------------------------------------------*/

79 httpd_cgifunction httpd_cgi( char *name )

80 {

81 const struct httpd_cgi_call **f;

83 /* Find the matching name in the table, return the function. */

84 for( f = calls; *f != NULL; ++f )

85 {

86 if( strncmp((*f)->name, name, strlen((*f)->name)) == 0 )

87 {

88 return( *f )->function;

89 }

90 }

92 return nullfunction;

93 }

95 /*---------------------------------------------------------------------------*/

96 static unsigned short generate_file_stats( void *arg )

97 {

98 char *f = ( char * ) arg;

99 return sprintf( ( char * ) uip_appdata, "%5u", httpd_fs_count(f) );

100 }

101

102 /*---------------------------------------------------------------------------*/

103 static PT_THREAD( file_stats ( struct httpd_state *s, char *ptr ) )

104 {

105 PSOCK_BEGIN( &s->sout );

106

107 ( void ) PT_YIELD_FLAG;

108

109 PSOCK_GENERATOR_SEND( &s->sout, generate_file_stats, strchr(ptr, ' ') + 1 );

110

111 PSOCK_END( &s->sout );

112 }

113

114 /*---------------------------------------------------------------------------*/

115 static const char closed[] = /* "CLOSED",*/ { 0x43, 0x4c, 0x4f, 0x53, 0x45, 0x44, 0 };

116 static const char syn_rcvd[] = /* "SYN-RCVD",*/ { 0x53, 0x59, 0x4e, 0x2d, 0x52, 0x43, 0x56, 0x44, 0 };

117 static const char syn_sent[] = /* "SYN-SENT",*/ { 0x53, 0x59, 0x4e, 0x2d, 0x53, 0x45, 0x4e, 0x54, 0 };

118 static const char established[] = /* "ESTABLISHED",*/ { 0x45, 0x53, 0x54, 0x41, 0x42, 0x4c, 0x49, 0x53, 0x48, 0x45, 0x44, 0 };

119 static const char fin_wait_1[] = /* "FIN-WAIT-1",*/ { 0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49, 0x54, 0x2d, 0x31, 0 };

120 static const char fin_wait_2[] = /* "FIN-WAIT-2",*/ { 0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49, 0x54, 0x2d, 0x32, 0 };

121 static const char closing[] = /* "CLOSING",*/ { 0x43, 0x4c, 0x4f, 0x53, 0x49, 0x4e, 0x47, 0 };

122 static const char time_wait[] = /* "TIME-WAIT,"*/ { 0x54, 0x49, 0x4d, 0x45, 0x2d, 0x57, 0x41, 0x49, 0x54, 0 };

123 static const char last_ack[] = /* "LAST-ACK"*/ { 0x4c, 0x41, 0x53, 0x54, 0x2d, 0x41, 0x43, 0x4b, 0 };

124

125 static const char *states[] = { closed, syn_rcvd, syn_sent, established, fin_wait_1, fin_wait_2, closing, time_wait, last_ack };

126

127 static unsigned short generate_tcp_stats( void *arg )

128 {

129 struct uip_conn *conn;

130 struct httpd_state *s = ( struct httpd_state * ) arg;

131

132 conn = &uip_conns[s->count];

133 return sprintf( ( char * ) uip_appdata,

134 "<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),

135 htons(conn->ripaddr.u16[0]) >> 8, htons(conn->ripaddr.u16[0]) & 0xff, htons(conn->ripaddr.u16[1]) >> 8,

136 htons(conn->ripaddr.u16[1]) & 0xff, htons(conn->rport), states[conn->tcpstateflags & UIP_TS_MASK], conn->nrtx, conn->timer,

137 (uip_outstanding(conn)) ? '*' : ' ', (uip_stopped(conn)) ? '!' : ' ' );

138 }

139

140 /*---------------------------------------------------------------------------*/

141 static PT_THREAD( tcp_stats ( struct httpd_state *s, char *ptr ) )

142 {

143 PSOCK_BEGIN( &s->sout );

144 ( void ) ptr;

145 ( void ) PT_YIELD_FLAG;

146 for( s->count = 0; s->count < UIP_CONNS; ++s->count )

147 {

148 if( (uip_conns[s->count].tcpstateflags & UIP_TS_MASK) != UIP_CLOSED )

149 {

150 PSOCK_GENERATOR_SEND( &s->sout, generate_tcp_stats, s );

151 }

152 }

153

154 PSOCK_END( &s->sout );

155 }

156

157 /*---------------------------------------------------------------------------*/

158 static unsigned short generate_net_stats( void *arg )

159 {

160 struct httpd_state *s = ( struct httpd_state * ) arg;

161 return sprintf( ( char * ) uip_appdata, "%5u\n", (( uip_stats_t * ) &uip_stat)[s->count] );

162 }

163

164 static PT_THREAD( net_stats ( struct httpd_state *s, char *ptr ) )

165 {

166 PSOCK_BEGIN( &s->sout );

167 ( void ) ptr;

168 ( void ) PT_YIELD_FLAG;

169 #if UIP_STATISTICS

170 for( s->count = 0; s->count < sizeof(uip_stat) / sizeof(uip_stats_t); ++s->count )

171 {

172 PSOCK_GENERATOR_SEND( &s->sout, generate_net_stats, s );

173 }

174

175 #endif /* UIP_STATISTICS */

176

177 PSOCK_END( &s->sout );

178 }

179

180 /*---------------------------------------------------------------------------*/

181 extern void vTaskList( char *pcWriteBuffer );

182 extern char *pcGetTaskStatusMessage( void );

183 static char cCountBuf[128];

184 long lRefreshCount = 0;

185 static unsigned short generate_rtos_stats( void *arg )

186 {

187 ( void ) arg;

188 lRefreshCount++;

189 sprintf( cCountBuf, " Refresh count = %d %s", ( int ) lRefreshCount, pcGetTaskStatusMessage() );

190 vTaskList( ( char * ) uip_appdata );

191 strcat( uip_appdata, cCountBuf );

192

193 return strlen( uip_appdata );

194 }

195

196 /*---------------------------------------------------------------------------*/

197 static PT_THREAD( rtos_stats ( struct httpd_state *s, char *ptr ) )

198 {

199 PSOCK_BEGIN( &s->sout );

200 ( void ) ptr;

201 ( void ) PT_YIELD_FLAG;

202 PSOCK_GENERATOR_SEND( &s->sout, generate_rtos_stats, NULL );

203 PSOCK_END( &s->sout );

204 }

205

206 /*---------------------------------------------------------------------------*/

207 char *pcStatus;

208 unsigned long ulString;

209

210 static unsigned short generate_io_state( void *arg )

211 {

212 extern long lParTestGetLEDState( unsigned long ulLED );

213 unsigned short usRawVoltage;

214 const ace_channel_handle_t xVoltageChannel = ( ace_channel_handle_t ) 0;

215

216 ( void ) arg;

217

218 /* Are the dynamically setable LEDs currently on or off? */

219 if( lParTestGetLEDState( 3 ) )

220 {

221 pcStatus = "checked";

222 }

223 else

224 {

225 pcStatus = "";

226 }

227

228 usRawVoltage = ( unsigned short ) ACE_get_ppe_sample( xVoltageChannel );

229 sprintf( uip_appdata, "<input type=\"checkbox\" name=\"LED0\" value=\"1\" %s>LEDRaw voltage input is %d", pcStatus, usRawVoltage );

230

231 return strlen( uip_appdata );

232 }

233

234 /*---------------------------------------------------------------------------*/

235 extern void vTaskGetRunTimeStats( char *pcWriteBuffer );

236 extern unsigned short usMaxJitter;

237 static unsigned short generate_runtime_stats( void *arg )

238 {

239 ( void ) arg;

240 lRefreshCount++;

241 sprintf( cCountBuf, " Refresh count = %d", ( int ) lRefreshCount );

242

243 vTaskGetRunTimeStats( ( char * ) uip_appdata );

244 strcat( uip_appdata, cCountBuf );

245

246 return strlen( uip_appdata );

247 }

248

249 /*---------------------------------------------------------------------------*/

250 static PT_THREAD( run_time ( struct httpd_state *s, char *ptr ) )

251 {

252 PSOCK_BEGIN( &s->sout );

253 ( void ) ptr;

254 ( void ) PT_YIELD_FLAG;

255 PSOCK_GENERATOR_SEND( &s->sout, generate_runtime_stats, NULL );

256 PSOCK_END( &s->sout );

257 }

258

259 /*---------------------------------------------------------------------------*/

260 static PT_THREAD( led_io ( struct httpd_state *s, char *ptr ) )

261 {

262 PSOCK_BEGIN( &s->sout );

263 ( void ) ptr;

264 ( void ) PT_YIELD_FLAG;

265 PSOCK_GENERATOR_SEND( &s->sout, generate_io_state, NULL );

266 PSOCK_END( &s->sout );

267 }

268

269 /** @} */