Alexis Legros / ProjetER3GR2BLegrosAbbs

ProjetER3GR2BLegrosAbbs

html.cpp@2:889c56a58376, 2021-01-18 (annotated)

Committer:
algrs
Date:
Mon Jan 18 05:18:44 2021 +0000
Revision:
2:889c56a58376
Parent:
1:ba608856b208 
ER3 projet VAE GR2B Legros Abbs;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
superphil06 0:539b0fc9d536 1 /****************************************************************************
superphil06 0:539b0fc9d536 2 *
superphil06 0:539b0fc9d536 3 * (C) 2000 by BECK IPC GmbH
superphil06 0:539b0fc9d536 4 *
algrs 2:889c56a58376 5 * BECK IPC GmbH
algrs 2:889c56a58376 6 * Garbenheimerstr. 38
algrs 2:889c56a58376 7 * D-35578 Wetzlar
superphil06 0:539b0fc9d536 8 *
algrs 2:889c56a58376 9 * Phone : (49)-6441-905-240
algrs 2:889c56a58376 10 * Fax : (49)-6441-905-245
superphil06 0:539b0fc9d536 11 *
superphil06 0:539b0fc9d536 12 * ---------------------------------------------------------------------------
algrs 2:889c56a58376 13 * Module : HTML.C
algrs 2:889c56a58376 14 * Function : contains functions to operate between HTML files and SC12
algrs 2:889c56a58376 15 * Cgi Interface. It read Html files, copy it into memory
algrs 2:889c56a58376 16 * block and save positions of '^VARDEF[x]' entry in var_field
algrs 2:889c56a58376 17 * struct to insert dynamtic code int the static file.
superphil06 0:539b0fc9d536 18
algrs 2:889c56a58376 19 By Example:
algrs 2:889c56a58376 20 On the flash exists the following htm file (a:\exp.htm):
algrs 2:889c56a58376 21 _______________________________________________________
superphil06 0:539b0fc9d536 22
algrs 2:889c56a58376 23 <HTML><HEAD><TITLE>Example Page</TITLE></HEAD>
algrs 2:889c56a58376 24 <BODY>
algrs 2:889c56a58376 25 The first Dynamic code/text ^VARDEF[0] = 32 <BR>
algrs 2:889c56a58376 26 And now the Dynamic code/text ^VARDEF[1] = 3 <BR>
algrs 2:889c56a58376 27 </BODY>
algrs 2:889c56a58376 28 </HTML>
algrs 2:889c56a58376 29 _______________________________________________________
superphil06 0:539b0fc9d536 30
algrs 2:889c56a58376 31 now you have to call the function in the following way:
superphil06 0:539b0fc9d536 32
superphil06 0:539b0fc9d536 33
algrs 2:889c56a58376 34 #include "html.h"
superphil06 0:539b0fc9d536 35
algrs 2:889c56a58376 36 vard_field_t exp_vardef[2]; // size “2”: 2 var defs in htm file
algrs 2:889c56a58376 37 char exp_page[1024]; // html code buffer (1024 bytes)
algrs 2:889c56a58376 38
algrs 2:889c56a58376 39 ....
superphil06 0:539b0fc9d536 40
algrs 2:889c56a58376 41 ....
algrs 2:889c56a58376 42 ..
superphil06 0:539b0fc9d536 43
algrs 2:889c56a58376 44 int main(void)
algrs 2:889c56a58376 45 {
algrs 2:889c56a58376 46 char tmpBuffer[1024];
algrs 2:889c56a58376 47 ...
superphil06 0:539b0fc9d536 48
superphil06 0:539b0fc9d536 49
algrs 2:889c56a58376 50 exp_page = Gen_HtmlCode_From_File( "a:\exp.htm", &exp_vardef, 2 );
superphil06 0:539b0fc9d536 51
algrs 2:889c56a58376 52 // know, if exp != Null the page is in the memory block.
algrs 2:889c56a58376 53 // the Vardef field are filled with blank spaces (ASCII 32).
algrs 2:889c56a58376 54 // The exp_vardef struct points to this vardefs fields.
algrs 2:889c56a58376 55 // So you can access to this empty fields in the
algrs 2:889c56a58376 56 // following way (normaly the filling of the Vardefs will
algrs 2:889c56a58376 57 // be done in the CGI function):
superphil06 0:539b0fc9d536 58
algrs 2:889c56a58376 59 // 1. text:
algrs 2:889c56a58376 60 strcpy( tmpBuffer, “I am the First text” );
algrs 2:889c56a58376 61 FILL_STR( tmpBuffer, exp_vardef[0].length ); // this will
algrs 2:889c56a58376 62 // to fill the not used characters of
algrs 2:889c56a58376 63 // the string with blank spaces
algrs 2:889c56a58376 64 memcpy( exp_vardef[0].ptr, tmpBufferm, exp_vardef[0].length );
superphil06 0:539b0fc9d536 65
superphil06 0:539b0fc9d536 66
algrs 2:889c56a58376 67 // 2. text:
algrs 2:889c56a58376 68 strcpy( tmpBuffer, “I am the First text” );
algrs 2:889c56a58376 69 FILL_STR( tmpBuffer, exp_vardef[0].length ); // this will
algrs 2:889c56a58376 70 // to fill the not used characters of
algrs 2:889c56a58376 71 // the string with blank spaces
algrs 2:889c56a58376 72 memcpy( exp_vardef[0].ptr, tmpBufferm, exp_vardef[0].length );
superphil06 0:539b0fc9d536 73
algrs 2:889c56a58376 74 .....
algrs 2:889c56a58376 75 ..
algrs 2:889c56a58376 76 return;
superphil06 0:539b0fc9d536 77
algrs 2:889c56a58376 78 }
superphil06 0:539b0fc9d536 79
superphil06 0:539b0fc9d536 80 *
algrs 2:889c56a58376 81 * Author : Stoidner
algrs 2:889c56a58376 82 * Date : 30.08.00
algrs 2:889c56a58376 83 * Version : V1.00
superphil06 0:539b0fc9d536 84 * ---------------------------------------------------------------------------
algrs 2:889c56a58376 85 * History :
superphil06 0:539b0fc9d536 86 *
algrs 2:889c56a58376 87 * Vx.yy Author Changes
superphil06 0:539b0fc9d536 88 *
algrs 2:889c56a58376 89 * V1.00 cs Create
superphil06 0:539b0fc9d536 90 **************************************************************/
superphil06 0:539b0fc9d536 91
superphil06 0:539b0fc9d536 92
superphil06 0:539b0fc9d536 93 //*******************
superphil06 0:539b0fc9d536 94 //* standard includes
superphil06 0:539b0fc9d536 95
superphil06 0:539b0fc9d536 96 #include "mbed.h"
superphil06 0:539b0fc9d536 97 #include <stdio.h>
superphil06 0:539b0fc9d536 98 #include <stdlib.h>
superphil06 0:539b0fc9d536 99 #include <string.h>
superphil06 1:ba608856b208 100 #include "EthernetInterface.h"
superphil06 1:ba608856b208 101 #include <stdlib.h>
superphil06 1:ba608856b208 102 #include <string.h>
superphil06 0:539b0fc9d536 103
superphil06 0:539b0fc9d536 104 //********************
superphil06 0:539b0fc9d536 105 //* specified includes
superphil06 0:539b0fc9d536 106 #include "html.h"
superphil06 1:ba608856b208 107
superphil06 1:ba608856b208 108 #include "rtos.h"
superphil06 0:539b0fc9d536 109
superphil06 0:539b0fc9d536 110
superphil06 1:ba608856b208 111 #define _HTML_DEBUG
superphil06 1:ba608856b208 112 #define _IP_DEBUG
superphil06 1:ba608856b208 113 #define _TCP_DEBUG
superphil06 1:ba608856b208 114 #define _HTTP_DEBUG
superphil06 1:ba608856b208 115 # define _HTML_DEBUG
superphil06 1:ba608856b208 116
algrs 2:889c56a58376 117 extern var_field_t tab_balise[10]; //une balise est présente dans le squelette
superphil06 1:ba608856b208 118
superphil06 1:ba608856b208 119
superphil06 1:ba608856b208 120 EthernetInterface eth; // ethernet layer management object
superphil06 1:ba608856b208 121 TCPSocketServer svr; //
superphil06 1:ba608856b208 122 bool serverIsListened = false;// flag to indicate server is listening
algrs 2:889c56a58376 123 #define PORT 80 // tcp port for socket listeningt
superphil06 1:ba608856b208 124 TCPSocketConnection client;// socket to identify client side
superphil06 1:ba608856b208 125 bool clientIsConnected = false;// flag that indicate if a web client is avalaible
superphil06 1:ba608856b208 126
superphil06 1:ba608856b208 127
algrs 2:889c56a58376 128 char *html_page; // pointer to memory area of Html Page
superphil06 1:ba608856b208 129 /*************** locals prototypes ***************/
superphil06 0:539b0fc9d536 130
superphil06 0:539b0fc9d536 131
superphil06 1:ba608856b208 132 //char * Gen_HtmlCode_From_File( char *Path, var_field_t *var_field, int max_vardef )
superphil06 1:ba608856b208 133 char * Gen_HtmlCode_From_File( char *Path, var_field_t *var_field, int max_vardef )
algrs 2:889c56a58376 134 {LocalFileSystem local("local");
algrs 2:889c56a58376 135 FILE *in; // File Handle
algrs 2:889c56a58376 136 //fpos_t filepos; // file position counter
algrs 2:889c56a58376 137 long filepos; // file position counter
algrs 2:889c56a58376 138 int data; // read data from file
algrs 2:889c56a58376 139 char value_str[40]; // to search for '^VARDEF[x]' entrys
algrs 2:889c56a58376 140 int i=0; // VarDef Counter ( '^VARDEF[i]' )
algrs 2:889c56a58376 141 long mem_pos = -1; // actually mem offset
algrs 2:889c56a58376 142 //char *html_page; // pointer to memory area of Html Page
superphil06 0:539b0fc9d536 143
algrs 2:889c56a58376 144 if ((in = fopen(Path, "rt")) == NULL)
algrs 2:889c56a58376 145 {
algrs 2:889c56a58376 146 printf("\r\nError Open File: -%s-", Path);
algrs 2:889c56a58376 147 return(NULL);
algrs 2:889c56a58376 148 }
superphil06 0:539b0fc9d536 149
algrs 2:889c56a58376 150 #ifdef _HTML_DEBUG
algrs 2:889c56a58376 151 printf("\r\nOpen File.. \"%s\"", Path);
algrs 2:889c56a58376 152 #endif
superphil06 0:539b0fc9d536 153
algrs 2:889c56a58376 154 // checking Html Page size and filling var_field struct
algrs 2:889c56a58376 155 while (!feof(in))
algrs 2:889c56a58376 156 {
algrs 2:889c56a58376 157 // serach for Commands
algrs 2:889c56a58376 158 mem_pos++;
superphil06 0:539b0fc9d536 159
algrs 2:889c56a58376 160 // check for unexpected page size
algrs 2:889c56a58376 161 if (mem_pos >= 0xFFFF)
algrs 2:889c56a58376 162 {
algrs 2:889c56a58376 163 fclose(in);
algrs 2:889c56a58376 164 return(NULL);
algrs 2:889c56a58376 165 }
superphil06 0:539b0fc9d536 166
algrs 2:889c56a58376 167 if ( fgetc(in) == CMD_HTML_SIGN )
algrs 2:889c56a58376 168 {
algrs 2:889c56a58376 169 //fgetpos(in, &filepos);
algrs 2:889c56a58376 170 filepos= ftell ( in );// replace fgetpos call
superphil06 0:539b0fc9d536 171
superphil06 0:539b0fc9d536 172
algrs 2:889c56a58376 173 if ( fscanf(in , "VARDEF[ %d ] = %s", &i, &value_str ) )
algrs 2:889c56a58376 174 {
algrs 2:889c56a58376 175 #ifdef _HTML_DEBUG
algrs 2:889c56a58376 176 printf("\r\nFound and save entry..");
algrs 2:889c56a58376 177 #endif
algrs 2:889c56a58376 178 mem_pos += atoi(value_str)-1;
algrs 2:889c56a58376 179 }
algrs 2:889c56a58376 180 else fseek( in, filepos, SEEK_SET );
algrs 2:889c56a58376 181 }
superphil06 0:539b0fc9d536 182
algrs 2:889c56a58376 183 } // while (!feof
algrs 2:889c56a58376 184
algrs 2:889c56a58376 185 // allocate memory
algrs 2:889c56a58376 186 html_page = (char *) malloc( (int) mem_pos+1 );
algrs 2:889c56a58376 187
algrs 2:889c56a58376 188 // check if alloc was successful
algrs 2:889c56a58376 189 if (html_page == NULL) return(NULL);
algrs 2:889c56a58376 190
algrs 2:889c56a58376 191 // jump to beginning of html file
algrs 2:889c56a58376 192 fseek( in, 0, SEEK_SET);
algrs 2:889c56a58376 193
algrs 2:889c56a58376 194 // now loading website into memory
algrs 2:889c56a58376 195 mem_pos = 0;
algrs 2:889c56a58376 196 #ifdef _HTML_DEBUG
algrs 2:889c56a58376 197 printf("\r\nReading Page");
algrs 2:889c56a58376 198 #endif
algrs 2:889c56a58376 199 while (!feof(in))
algrs 2:889c56a58376 200 {
algrs 2:889c56a58376 201 data = fgetc(in);
algrs 2:889c56a58376 202
algrs 2:889c56a58376 203 // serach for Commands
algrs 2:889c56a58376 204 if ( data == CMD_HTML_SIGN )
algrs 2:889c56a58376 205 {
algrs 2:889c56a58376 206 // fgetpos(in, &filepos);
algrs 2:889c56a58376 207 filepos =ftell ( in );// replace fgetpos call
algrs 2:889c56a58376 208
algrs 2:889c56a58376 209 if ( fscanf(in , "VARDEF[ %d ] = %s", &i, &value_str ) )
algrs 2:889c56a58376 210 {
algrs 2:889c56a58376 211 if (var_field)
algrs 2:889c56a58376 212 {
algrs 2:889c56a58376 213 // save VarDef
superphil06 0:539b0fc9d536 214
algrs 2:889c56a58376 215 // check if vardef index is valid
algrs 2:889c56a58376 216 if ( i>max_vardef ) { free(html_page); return(NULL); };
algrs 2:889c56a58376 217 //var_field[i].length = atoi(value_str);
algrs 2:889c56a58376 218 var_field[i].length=strlen(value_str);
algrs 2:889c56a58376 219 var_field[i].ptr = &html_page[(int)mem_pos];
algrs 2:889c56a58376 220 }
algrs 2:889c56a58376 221
algrs 2:889c56a58376 222 // insert free characters
algrs 2:889c56a58376 223 // for (i=0; i<=atoi(value_str)-1; i++)
algrs 2:889c56a58376 224 for(i=0;i<=strlen(value_str);i++)
algrs 2:889c56a58376 225 {
algrs 2:889c56a58376 226 html_page[(int)mem_pos] = (char) 32;
algrs 2:889c56a58376 227 mem_pos++;
algrs 2:889c56a58376 228 }
algrs 2:889c56a58376 229
algrs 2:889c56a58376 230 }
algrs 2:889c56a58376 231 else
algrs 2:889c56a58376 232 {
algrs 2:889c56a58376 233 // set data pointer back
algrs 2:889c56a58376 234 fseek( in, (long) filepos, SEEK_SET);
algrs 2:889c56a58376 235
algrs 2:889c56a58376 236 // copy data into memory
algrs 2:889c56a58376 237 html_page[(int)mem_pos] = (char)data;
algrs 2:889c56a58376 238 mem_pos++;
algrs 2:889c56a58376 239 }
algrs 2:889c56a58376 240
algrs 2:889c56a58376 241 }
algrs 2:889c56a58376 242 else
algrs 2:889c56a58376 243 {
algrs 2:889c56a58376 244 // copy data into memory
algrs 2:889c56a58376 245 html_page[(int)mem_pos] = (char)data;
algrs 2:889c56a58376 246 mem_pos++;
algrs 2:889c56a58376 247 }
algrs 2:889c56a58376 248
algrs 2:889c56a58376 249 } // while (!feof
algrs 2:889c56a58376 250
algrs 2:889c56a58376 251 // terminate string
algrs 2:889c56a58376 252 html_page[(int)mem_pos-1] = (char)'\0';
algrs 2:889c56a58376 253
algrs 2:889c56a58376 254 // close HTML Page
algrs 2:889c56a58376 255 fclose(in);
algrs 2:889c56a58376 256
algrs 2:889c56a58376 257 #ifdef _HTML_DEBUG
algrs 2:889c56a58376 258 printf("\r\nDone.");
algrs 2:889c56a58376 259 #endif
superphil06 0:539b0fc9d536 260
superphil06 0:539b0fc9d536 261
algrs 2:889c56a58376 262 return(html_page);
superphil06 0:539b0fc9d536 263 }
superphil06 0:539b0fc9d536 264 //simple function thatr load file from disk and return pointer
superphil06 0:539b0fc9d536 265
superphil06 0:539b0fc9d536 266 char *load_HtmlCode_From_File( char *Path,long * size)
algrs 2:889c56a58376 267 {LocalFileSystem local("local");
algrs 2:889c56a58376 268 FILE *in; // File Handle
algrs 2:889c56a58376 269 int data; // read data from file
algrs 2:889c56a58376 270 long mem_pos = -1; // actually mem offset
algrs 2:889c56a58376 271 char *html_page; // pointer to memory area of Html Page
algrs 2:889c56a58376 272 if ((in = fopen(Path, "rt")) == NULL)
algrs 2:889c56a58376 273 { printf("\r\nError Open File: -%s-", Path); //open file from disk
algrs 2:889c56a58376 274 return(NULL);
algrs 2:889c56a58376 275 }
superphil06 0:539b0fc9d536 276
algrs 2:889c56a58376 277 while (!feof(in)) // checking Html Page size
algrs 2:889c56a58376 278 {
algrs 2:889c56a58376 279 mem_pos++;
algrs 2:889c56a58376 280 if ( (fgetc(in) == EOF)||(mem_pos==0xFFFF) )
algrs 2:889c56a58376 281 {break;}
algrs 2:889c56a58376 282 }// while (!feof )
algrs 2:889c56a58376 283 html_page = (char *) malloc( (int) mem_pos+1 );// allocate memory
superphil06 0:539b0fc9d536 284
algrs 2:889c56a58376 285 // check if alloc was successful
algrs 2:889c56a58376 286 if (html_page == NULL) return(NULL);
algrs 2:889c56a58376 287 fseek( in, 0, SEEK_SET);// jump to beginning of html file
superphil06 0:539b0fc9d536 288
algrs 2:889c56a58376 289 mem_pos = 0; // now loading website into memory
algrs 2:889c56a58376 290 while (!feof(in))
algrs 2:889c56a58376 291 { data = fgetc(in);
algrs 2:889c56a58376 292 html_page[(int)mem_pos] = (char)data;
algrs 2:889c56a58376 293 mem_pos++;
algrs 2:889c56a58376 294 } // while (!feof
superphil06 0:539b0fc9d536 295
algrs 2:889c56a58376 296 html_page[(int)mem_pos-1] = (char)'\0'; // terminate string
algrs 2:889c56a58376 297 *size=mem_pos-1; //return size of file
algrs 2:889c56a58376 298 fclose(in); // close HTML Page
algrs 2:889c56a58376 299 return(html_page);
superphil06 0:539b0fc9d536 300 }
superphil06 0:539b0fc9d536 301
superphil06 0:539b0fc9d536 302 void Html_Patch ( var_field_t *pTab_Balise,int index, char * pChaine ){
superphil06 0:539b0fc9d536 303
algrs 2:889c56a58376 304 FILL_STR( pChaine,pTab_Balise[index].length );
algrs 2:889c56a58376 305 memcpy( pTab_Balise[index].ptr, pChaine, pTab_Balise[index].length );
superphil06 0:539b0fc9d536 306 }
superphil06 1:ba608856b208 307
superphil06 1:ba608856b208 308 void (*pfPtr) (void);
superphil06 1:ba608856b208 309
algrs 2:889c56a58376 310 int Init_Web_Server(void (*fPtr)(void) )// fptr pointer to a void interrupt CGI function
algrs 2:889c56a58376 311 {pfPtr=fPtr;// affectation du pointeur public
superphil06 1:ba608856b208 312
algrs 2:889c56a58376 313 //setup ethernet interface
algrs 2:889c56a58376 314 eth.init("134.59.29.92","255.255.255.192","134.59.29.126"); //Use static
algrs 2:889c56a58376 315 eth.connect();
algrs 2:889c56a58376 316 #ifdef _IP_DEBUG
algrs 2:889c56a58376 317 printf("IP Address is %s\n\r", eth.getIPAddress());// display server ip address
algrs 2:889c56a58376 318 #endif
algrs 2:889c56a58376 319 // Set the callbacks for Listening
algrs 2:889c56a58376 320 //srv.setOnEvent(&onListeningTCPSocketEvent); // create a call back fonction associated with listning socket
algrs 2:889c56a58376 321 //setup srv tcp socket
algrs 2:889c56a58376 322 if(svr.bind(PORT)< 0) {
algrs 2:889c56a58376 323 #ifdef _IP_DEBUG
algrs 2:889c56a58376 324 printf("tcp server bind failed.\n\r");
algrs 2:889c56a58376 325 #endif
algrs 2:889c56a58376 326 return -1;
algrs 2:889c56a58376 327 } else {
algrs 2:889c56a58376 328 #ifdef _IP_DEBUG
algrs 2:889c56a58376 329 printf("tcp server bind successed.\n\r");
algrs 2:889c56a58376 330 #endif
algrs 2:889c56a58376 331 serverIsListened = true;
algrs 2:889c56a58376 332 }
algrs 2:889c56a58376 333
algrs 2:889c56a58376 334 if(svr.listen(1) < 0) {
algrs 2:889c56a58376 335 #ifdef _IP_DEBUG
algrs 2:889c56a58376 336 printf("tcp server listen failed.\n\r");
algrs 2:889c56a58376 337 #endif
algrs 2:889c56a58376 338 return -1;
algrs 2:889c56a58376 339 } else {
algrs 2:889c56a58376 340 #ifdef _IP_DEBUG
algrs 2:889c56a58376 341 printf("tcp server is listening...\n\r");
algrs 2:889c56a58376 342 #endif
algrs 2:889c56a58376 343
superphil06 1:ba608856b208 344 return 0;
algrs 2:889c56a58376 345 }
algrs 2:889c56a58376 346
algrs 2:889c56a58376 347 }
superphil06 1:ba608856b208 348
superphil06 1:ba608856b208 349 //************* used to close srv socket and web server thread ***********************
superphil06 1:ba608856b208 350 int DeInit_Web_Server(void)
superphil06 1:ba608856b208 351 {int iError;
algrs 2:889c56a58376 352 serverIsListened=false;//
superphil06 1:ba608856b208 353 iError=svr.close (true);// close main server socket
superphil06 1:ba608856b208 354 return iError;
superphil06 1:ba608856b208 355
algrs 2:889c56a58376 356 }
superphil06 1:ba608856b208 357
superphil06 1:ba608856b208 358
superphil06 1:ba608856b208 359 /***************** thread section **************/
superphil06 1:ba608856b208 360
algrs 2:889c56a58376 361
algrs 2:889c56a58376 362 void Web_Server_Thread(void const *args)
algrs 2:889c56a58376 363 {
algrs 2:889c56a58376 364
algrs 2:889c56a58376 365 printf("web server thread start.. \n\r");
algrs 2:889c56a58376 366
algrs 2:889c56a58376 367 while ( serverIsListened) {
algrs 2:889c56a58376 368 //blocking mode(never timeout)
algrs 2:889c56a58376 369 if(svr.accept(client)<0) {
algrs 2:889c56a58376 370 #ifdef _TCP_DEBUG
algrs 2:889c56a58376 371 printf("failed to accept connection.\n\r");
algrs 2:889c56a58376 372 #endif
algrs 2:889c56a58376 373 } else {
algrs 2:889c56a58376 374 #ifdef _TCP_DEBUG
algrs 2:889c56a58376 375 printf("connection success!\n\rIP: %s\n\r",client.get_address());
algrs 2:889c56a58376 376 #endif
algrs 2:889c56a58376 377 clientIsConnected = true;
algrs 2:889c56a58376 378 // Setup the new socket events
algrs 2:889c56a58376 379 // client.setOnEvent(&onConnectedTCPSocketEvent);
algrs 2:889c56a58376 380 // We can find out from where the connection is coming by looking at the
algrs 2:889c56a58376 381 // Host parameter of the accept() method
algrs 2:889c56a58376 382
algrs 2:889c56a58376 383 while(clientIsConnected) {
algrs 2:889c56a58376 384 char buffer[1024] = {};
superphil06 1:ba608856b208 385
algrs 2:889c56a58376 386 switch(client.receive(buffer, 1023)) {
algrs 2:889c56a58376 387 case 0:
algrs 2:889c56a58376 388 #ifdef _TCP_DEBUG
algrs 2:889c56a58376 389 printf("recieved buffer is empty.\n\r");
algrs 2:889c56a58376 390 #endif
algrs 2:889c56a58376 391 clientIsConnected = false;
algrs 2:889c56a58376 392 break;
algrs 2:889c56a58376 393 case -1:
algrs 2:889c56a58376 394 #ifdef _TCP_DEBUG
algrs 2:889c56a58376 395 printf("failed to read data from client.\n\r");
algrs 2:889c56a58376 396 #endif
algrs 2:889c56a58376 397 clientIsConnected = false;
algrs 2:889c56a58376 398 break;
algrs 2:889c56a58376 399 default:
algrs 2:889c56a58376 400 #ifdef _HTTP_DEBUG
algrs 2:889c56a58376 401 printf("Recieved Data: %d\n\r\n\r%.*s\n\r",strlen(buffer),strlen(buffer),buffer);
algrs 2:889c56a58376 402 #endif
algrs 2:889c56a58376 403 if(buffer[0] == 'G' && buffer[1] == 'E' && buffer[2] == 'T' ) {
algrs 2:889c56a58376 404 #ifdef _HTTP_DEBUG
algrs 2:889c56a58376 405 printf("GET request incomming.\n\r");
algrs 2:889c56a58376 406 #endif
algrs 2:889c56a58376 407 //setup http response header & data
algrs 2:889c56a58376 408 /************* patch all dynamic data in html response page ************/
algrs 2:889c56a58376 409 int giCounter = 0;
algrs 2:889c56a58376 410 giCounter++;
algrs 2:889c56a58376 411
algrs 2:889c56a58376 412 (*pfPtr)();// call to external CGI function located in main
algrs 2:889c56a58376 413
algrs 2:889c56a58376 414 char ma_chaine4[20]={};// needed to form html response
algrs 2:889c56a58376 415 sprintf (ma_chaine4,"%d",(int)15);// convert speed as ascii string
algrs 2:889c56a58376 416 Html_Patch (tab_balise,0,ma_chaine4);// patch first label with dyn.string
algrs 2:889c56a58376 417
algrs 2:889c56a58376 418 sprintf (ma_chaine4,"%d",(int)16);// convert count as ascii string
algrs 2:889c56a58376 419 Html_Patch (tab_balise,1,ma_chaine4);// patch first label with dyn.string
algrs 2:889c56a58376 420
algrs 2:889c56a58376 421 sprintf (ma_chaine4,"%d",17);// convert count as ascii string
algrs 2:889c56a58376 422 Html_Patch (tab_balise,2,ma_chaine4);// patch first label with dyn.string
algrs 2:889c56a58376 423
algrs 2:889c56a58376 424 sprintf (ma_chaine4,"%d",18);// convert count as ascii string
algrs 2:889c56a58376 425 Html_Patch (tab_balise,3,ma_chaine4);// patch first label with dyn.string
algrs 2:889c56a58376 426
algrs 2:889c56a58376 427 sprintf (ma_chaine4,"%d",19);// convert count as ascii string
algrs 2:889c56a58376 428 Html_Patch (tab_balise,4,ma_chaine4);// patch first label with dyn.string
superphil06 1:ba608856b208 429
superphil06 1:ba608856b208 430
superphil06 1:ba608856b208 431
algrs 2:889c56a58376 432 char echoHeader[256] = {};
algrs 2:889c56a58376 433 sprintf(echoHeader,"HTTP/1.1 200 OK\n\rContent-Length: %d\n\rContent-Type: text\n\rConnection: Close\n\r",strlen(html_page));
algrs 2:889c56a58376 434 client.send(echoHeader,strlen(echoHeader));
algrs 2:889c56a58376 435 #ifdef _HTTP_DEBUG
algrs 2:889c56a58376 436 printf("%s",echoHeader);// debut http header sent
algrs 2:889c56a58376 437 #endif
algrs 2:889c56a58376 438 client.send(buffer,strlen(buffer));// realise echo request to client
algrs 2:889c56a58376 439
algrs 2:889c56a58376 440
algrs 2:889c56a58376 441 client.send(html_page,strlen(html_page));// realise echo request to client
algrs 2:889c56a58376 442 #ifdef _HTTP_DEBUG
algrs 2:889c56a58376 443 printf("%s",html_page);
algrs 2:889c56a58376 444 #endif
algrs 2:889c56a58376 445
algrs 2:889c56a58376 446 clientIsConnected = false;// close connection with this client at end of http response
algrs 2:889c56a58376 447 #ifdef _HTTP_DEBUG
algrs 2:889c56a58376 448 printf("web page sent.\n\r");
algrs 2:889c56a58376 449 #endif
algrs 2:889c56a58376 450 }
algrs 2:889c56a58376 451 break;
algrs 2:889c56a58376 452 }// end case
algrs 2:889c56a58376 453 Thread::wait(10);// sleep for 10 ms
algrs 2:889c56a58376 454 }// end while Client is Connected
algrs 2:889c56a58376 455 #ifdef _HTTP_DEBUG
algrs 2:889c56a58376 456 printf("close connection.\n\rtcp server is listening...\n\r");
algrs 2:889c56a58376 457 #endif
algrs 2:889c56a58376 458 client.close();
algrs 2:889c56a58376 459
algrs 2:889c56a58376 460
algrs 2:889c56a58376 461 }
algrs 2:889c56a58376 462 Thread::wait(10);// sleep for 10 ms
algrs 2:889c56a58376 463 } // end while ServerIs listening
algrs 2:889c56a58376 464 }