David Smart / SW_HTTPServer

A simple web server that can be bound to either the EthernetInterface or the WiflyInterface.

Dependents:   Smart-WiFly-WebServer WattEye X10Svr SSDP_Server

SW_HTTPServer.cpp@14:19c5f6151319, 2013-08-12 (annotated)

Committer:
WiredHome
Date:
Mon Aug 12 23:03:25 2013 +0000
Revision:
14:19c5f6151319
Parent:
13:8975d7928678
Child:
16:6ebacf2946d8
Refactor the base64 encoder and decoder.; Refactor the http server code to simplify the parsing of the header.;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
WiredHome 0:729320f63c5c 1 //
WiredHome 2:a29c32190037 2 // @note Copyright © 2013 by Smartware Computing, all rights reserved.
WiredHome 0:729320f63c5c 3 // Individuals may use this application for evaluation or non-commercial
WiredHome 0:729320f63c5c 4 // purposes. Within this restriction, changes may be made to this application
WiredHome 0:729320f63c5c 5 // as long as this copyright notice is retained. The user shall make
WiredHome 0:729320f63c5c 6 // clear that their work is a derived work, and not the original.
WiredHome 0:729320f63c5c 7 // Users of this application and sources accept this application "as is" and
WiredHome 0:729320f63c5c 8 // shall hold harmless Smartware Computing, for any undesired results while
WiredHome 0:729320f63c5c 9 // using this application - whether real or imagined.
WiredHome 0:729320f63c5c 10 //
WiredHome 0:729320f63c5c 11 // author David Smart, Smartware Computing
WiredHome 0:729320f63c5c 12 //
WiredHome 0:729320f63c5c 13 #include "mbed.h"
WiredHome 0:729320f63c5c 14 #include "SW_HTTPServer.h"
WiredHome 0:729320f63c5c 15 #include "Utility.h"
WiredHome 0:729320f63c5c 16
WiredHome 12:109bf1558300 17 #define DEBUG
WiredHome 0:729320f63c5c 18
WiredHome 0:729320f63c5c 19 const char * DEFAULT_FILENAME = "index.htm";
WiredHome 0:729320f63c5c 20
WiredHome 8:262583f054f6 21 // Header information to always send (must be \r\n terminated)
WiredHome 8:262583f054f6 22 const char hdr_httpver[] = "HTTP/1.0"; // typically HTTP/1.0 or HTTP/1.1
WiredHome 8:262583f054f6 23 const char hdr_age[] = "Max-age: 0\r\n"; // expires right away
WiredHome 8:262583f054f6 24 const char hdr_server[] = "Server: Smart_Server v0.1\r\n"; // Server
WiredHome 8:262583f054f6 25 const char hdr_dnt[] = "DNT: 1\r\n"; // Do Not Track
WiredHome 8:262583f054f6 26 const char hdr_close[] = "Connection: close\r\n"; // tell the client to close the connection
WiredHome 8:262583f054f6 27 const char nl[] = "\r\n"; // final \r\n for the termination of the header
WiredHome 0:729320f63c5c 28
WiredHome 14:19c5f6151319 29
WiredHome 0:729320f63c5c 30 static const struct {
WiredHome 0:729320f63c5c 31 char *ext;
WiredHome 0:729320f63c5c 32 char *filetype;
WiredHome 0:729320f63c5c 33 } extensions [] = {
WiredHome 3:17928786bdb5 34 {".gif", "Content-Type: image/gif\r\n" },
WiredHome 3:17928786bdb5 35 {".jpg", "Content-Type: image/jpeg\r\n" },
WiredHome 3:17928786bdb5 36 {".jpeg","Content-Type: image/jpeg\r\n" },
WiredHome 3:17928786bdb5 37 {".ico", "Content-Type: image/x-icon\r\n" },
WiredHome 3:17928786bdb5 38 {".png", "Content-Type: image/png\r\n" },
WiredHome 3:17928786bdb5 39 {".zip", "Content-Type: image/zip\r\n" },
WiredHome 3:17928786bdb5 40 {".gz", "Content-Type: image/gz\r\n" },
WiredHome 3:17928786bdb5 41 {".tar", "Content-Type: image/tar\r\n" },
WiredHome 3:17928786bdb5 42 {".txt", "Content-Type: plain/text\r\n" },
WiredHome 3:17928786bdb5 43 {".pdf", "Content-Type: application/pdf\r\n" },
WiredHome 3:17928786bdb5 44 {".htm", "Content-Type: text/html\r\n" },
WiredHome 3:17928786bdb5 45 {".html","Content-Type: text/html\r\n" },
WiredHome 0:729320f63c5c 46 {0,0}
WiredHome 0:729320f63c5c 47 };
WiredHome 0:729320f63c5c 48
WiredHome 8:262583f054f6 49 #ifdef DEBUG
WiredHome 12:109bf1558300 50 // This uses standard library dynamic memory management, but for an
WiredHome 9:2ea342765c9d 51 // embedded system there are alternates that may make better sense -
WiredHome 9:2ea342765c9d 52 // search the web for embedded system malloc alternates.
WiredHome 8:262583f054f6 53 static void * MyMalloc(int x, int y)
WiredHome 8:262583f054f6 54 {
WiredHome 8:262583f054f6 55 std::printf("[%04d] malloc(%d)\r\n", y, x);
WiredHome 8:262583f054f6 56 return malloc(x);
WiredHome 8:262583f054f6 57 }
WiredHome 11:17d84c41a7b3 58 static char toP(void * x)
WiredHome 11:17d84c41a7b3 59 {
WiredHome 11:17d84c41a7b3 60 char * c = (char *) x;
WiredHome 11:17d84c41a7b3 61 if (*c >= ' ' && *c < 0x7F)
WiredHome 11:17d84c41a7b3 62 return *c;
WiredHome 11:17d84c41a7b3 63 else
WiredHome 11:17d84c41a7b3 64 return '.';
WiredHome 11:17d84c41a7b3 65 }
WiredHome 8:262583f054f6 66 #define mymalloc(x) MyMalloc(x, __LINE__)
WiredHome 8:262583f054f6 67 #define myfree(x) \
WiredHome 11:17d84c41a7b3 68 pc->printf("[%4d] free(%02x %02x %02x %02x %02x ... %c%c%c%c%c)\r\n", __LINE__, \
WiredHome 11:17d84c41a7b3 69 *x, *(x+1), *(x+2), *(x+3), *(x+4), \
WiredHome 11:17d84c41a7b3 70 toP(x), toP(x+1), toP(x+2), toP(x+3), toP(x+4) ); \
WiredHome 8:262583f054f6 71 free(x);
WiredHome 8:262583f054f6 72 #else
WiredHome 8:262583f054f6 73 #define mymalloc(x) malloc(x)
WiredHome 8:262583f054f6 74 #define myfree(x) free(x)
WiredHome 8:262583f054f6 75 #endif
WiredHome 8:262583f054f6 76
WiredHome 3:17928786bdb5 77 HTTPServer::HTTPServer(
WiredHome 7:99ad7a67f05e 78 Wifly * _wf,
WiredHome 7:99ad7a67f05e 79 int port,
WiredHome 7:99ad7a67f05e 80 const char * _webroot,
WiredHome 13:8975d7928678 81 int maxheaderParams,
WiredHome 13:8975d7928678 82 int _maxqueryParams,
WiredHome 7:99ad7a67f05e 83 int _maxdynamicpages,
WiredHome 7:99ad7a67f05e 84 PC * _pc,
WiredHome 7:99ad7a67f05e 85 int _allocforheader,
WiredHome 3:17928786bdb5 86 int _allocforfile)
WiredHome 0:729320f63c5c 87 {
WiredHome 0:729320f63c5c 88 wifly = _wf;
WiredHome 0:729320f63c5c 89 webroot = (char *)malloc(strlen(_webroot)+1);
WiredHome 0:729320f63c5c 90 strcpy(webroot, _webroot);
WiredHome 13:8975d7928678 91 maxqueryParams = _maxqueryParams;
WiredHome 0:729320f63c5c 92 maxdynamicpages = _maxdynamicpages;
WiredHome 13:8975d7928678 93 headerParams = (namevalue *)malloc(maxheaderParams * sizeof(namevalue));
WiredHome 13:8975d7928678 94 queryParams = (namevalue *)malloc(maxqueryParams * sizeof(namevalue));
WiredHome 0:729320f63c5c 95 handlers = (handler *)malloc(maxdynamicpages * sizeof(handler));
WiredHome 3:17928786bdb5 96 headerbuffersize = _allocforheader;
WiredHome 3:17928786bdb5 97 headerbuffer = (char *)malloc(headerbuffersize);
WiredHome 0:729320f63c5c 98 pc = _pc;
WiredHome 3:17928786bdb5 99 queryType = NULL;
WiredHome 3:17928786bdb5 100 queryString = NULL;
WiredHome 3:17928786bdb5 101 postQueryString = NULL;
WiredHome 13:8975d7928678 102 queryParamCount = 0;
WiredHome 0:729320f63c5c 103 handlercount = 0;
WiredHome 3:17928786bdb5 104 maxheaderbytes = 0;
WiredHome 0:729320f63c5c 105 server = new TCPSocketServer();
WiredHome 0:729320f63c5c 106 server->bind(port);
WiredHome 0:729320f63c5c 107 server->listen();
WiredHome 8:262583f054f6 108 // server->set_blocking(false, 0);
WiredHome 8:262583f054f6 109 // client.set_blocking(false, 0);
WiredHome 8:262583f054f6 110 // server->accept(client);
WiredHome 3:17928786bdb5 111 ResetPerformanceData();
WiredHome 10:9c8d2c6a3469 112 PerformanceTimer.start();
WiredHome 0:729320f63c5c 113 }
WiredHome 0:729320f63c5c 114
WiredHome 0:729320f63c5c 115 HTTPServer::~HTTPServer()
WiredHome 0:729320f63c5c 116 {
WiredHome 8:262583f054f6 117 int i;
WiredHome 8:262583f054f6 118
WiredHome 8:262583f054f6 119 for (i=0; i<handlercount; i++)
WiredHome 8:262583f054f6 120 myfree(handlers[i].path);
WiredHome 8:262583f054f6 121 myfree(headerbuffer);
WiredHome 8:262583f054f6 122 myfree(handlers);
WiredHome 13:8975d7928678 123 myfree(queryParams);
WiredHome 8:262583f054f6 124 myfree(webroot);
WiredHome 0:729320f63c5c 125 webroot = NULL;
WiredHome 0:729320f63c5c 126 }
WiredHome 0:729320f63c5c 127
WiredHome 3:17928786bdb5 128 int HTTPServer::GetMaxHeaderSize()
WiredHome 3:17928786bdb5 129 {
WiredHome 3:17928786bdb5 130 return maxheaderbytes;
WiredHome 3:17928786bdb5 131 }
WiredHome 3:17928786bdb5 132
WiredHome 0:729320f63c5c 133 bool HTTPServer::RegisterHandler(const char * path, Handler callback)
WiredHome 0:729320f63c5c 134 {
WiredHome 0:729320f63c5c 135 if (handlercount < maxdynamicpages && path && callback) {
WiredHome 8:262583f054f6 136 handlers[handlercount].path = (char *)mymalloc(strlen(path)+1);
WiredHome 0:729320f63c5c 137 memcpy(handlers[handlercount].path, path, strlen(path)+1);
WiredHome 0:729320f63c5c 138 handlers[handlercount].callback = callback;
WiredHome 0:729320f63c5c 139 handlercount++;
WiredHome 0:729320f63c5c 140 return true;
WiredHome 0:729320f63c5c 141 } else {
WiredHome 0:729320f63c5c 142 return false;
WiredHome 0:729320f63c5c 143 }
WiredHome 0:729320f63c5c 144 }
WiredHome 0:729320f63c5c 145
WiredHome 2:a29c32190037 146 // Poll()
WiredHome 0:729320f63c5c 147 //
WiredHome 0:729320f63c5c 148 // *OPEN*GET /x=1 HTTP/1.1
WiredHome 0:729320f63c5c 149 // Host: 192.168.1.140
WiredHome 0:729320f63c5c 150 // Connection: keep-alive
WiredHome 0:729320f63c5c 151 // Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
WiredHome 0:729320f63c5c 152 // User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.94 Safari/537.36
WiredHome 0:729320f63c5c 153 // Accept-Encoding: gzip,deflate,sdch
WiredHome 0:729320f63c5c 154 // Accept-Language: en-US,en;q=0.8
WiredHome 0:729320f63c5c 155 //
WiredHome 2:a29c32190037 156 void HTTPServer::Poll()
WiredHome 0:729320f63c5c 157 {
WiredHome 3:17928786bdb5 158 typedef enum {
WiredHome 3:17928786bdb5 159 Idle, // waiting for a connection
WiredHome 3:17928786bdb5 160 Receiving, // receiving data
WiredHome 3:17928786bdb5 161 Sending, // send the response
WiredHome 7:99ad7a67f05e 162 WaitingToClose, // small timeout to close
WiredHome 7:99ad7a67f05e 163 Reset
WiredHome 3:17928786bdb5 164 } state;
WiredHome 0:729320f63c5c 165 static state op = Idle;
WiredHome 3:17928786bdb5 166 static char * bPtr = headerbuffer;
WiredHome 0:729320f63c5c 167 int n;
WiredHome 10:9c8d2c6a3469 168 static int t_ref; // reference point for the PerformanceTimer
WiredHome 0:729320f63c5c 169
WiredHome 8:262583f054f6 170 #ifdef DEBUG
WiredHome 8:262583f054f6 171 static state lastOp = Reset;
WiredHome 7:99ad7a67f05e 172 if (lastOp != op) {
WiredHome 9:2ea342765c9d 173 const char *states[] = {"Idle", "Receiving", "Sending", "WaitingToClose", "Reset"};
WiredHome 8:262583f054f6 174 pc->printf("Poll: %s\r\n", states[op]);
WiredHome 7:99ad7a67f05e 175 lastOp = op;
WiredHome 7:99ad7a67f05e 176 }
WiredHome 8:262583f054f6 177 #endif
WiredHome 0:729320f63c5c 178 switch(op) {
WiredHome 3:17928786bdb5 179 default: // not expected to arrive here
WiredHome 3:17928786bdb5 180 op = Idle;
WiredHome 3:17928786bdb5 181 break;
WiredHome 8:262583f054f6 182
WiredHome 3:17928786bdb5 183 case Idle:
WiredHome 10:9c8d2c6a3469 184 PerformanceTimer.reset();
WiredHome 3:17928786bdb5 185 bPtr = headerbuffer;
WiredHome 11:17d84c41a7b3 186 if (0 == server->accept(client)) {
WiredHome 3:17928786bdb5 187 op = Receiving;
WiredHome 10:9c8d2c6a3469 188 t_ref = PerformanceTimer.read_us();
WiredHome 8:262583f054f6 189 #ifdef DEBUG
WiredHome 8:262583f054f6 190 pc->printf("Accept at %d\r\n", t_ref);
WiredHome 8:262583f054f6 191 #endif
WiredHome 3:17928786bdb5 192 }
WiredHome 0:729320f63c5c 193 break;
WiredHome 8:262583f054f6 194
WiredHome 3:17928786bdb5 195 case Receiving:
WiredHome 3:17928786bdb5 196 n = client.receive(bPtr, headerbuffersize - (bPtr - headerbuffer));
WiredHome 3:17928786bdb5 197 if (n < 0) {
WiredHome 9:2ea342765c9d 198 #ifdef DEBUG
WiredHome 8:262583f054f6 199 pc->printf("*** client.receive() => %d\r\n", n);
WiredHome 9:2ea342765c9d 200 #endif
WiredHome 3:17928786bdb5 201 } else if (n) {
WiredHome 3:17928786bdb5 202 bPtr[n] = '\0';
WiredHome 3:17928786bdb5 203 if (ParseHeader(headerbuffer)) {
WiredHome 3:17928786bdb5 204 op = Sending;
WiredHome 3:17928786bdb5 205 t_ref = RecordPerformanceData(&perfData.Header, t_ref);
WiredHome 3:17928786bdb5 206 }
WiredHome 3:17928786bdb5 207 bPtr += n;
WiredHome 0:729320f63c5c 208 }
WiredHome 0:729320f63c5c 209 break;
WiredHome 8:262583f054f6 210
WiredHome 0:729320f63c5c 211 case Sending:
WiredHome 3:17928786bdb5 212 SendResponse();
WiredHome 0:729320f63c5c 213 op = WaitingToClose;
WiredHome 3:17928786bdb5 214 RecordPerformanceData(&perfData.SendData, t_ref);
WiredHome 0:729320f63c5c 215 break;
WiredHome 9:2ea342765c9d 216
WiredHome 0:729320f63c5c 217 case WaitingToClose:
WiredHome 3:17928786bdb5 218 close_connection();
WiredHome 0:729320f63c5c 219 op = Idle;
WiredHome 0:729320f63c5c 220 break;
WiredHome 0:729320f63c5c 221 }
WiredHome 0:729320f63c5c 222 }
WiredHome 0:729320f63c5c 223
WiredHome 0:729320f63c5c 224
WiredHome 0:729320f63c5c 225 const char * HTTPServer::GetSupportedType(const char * filename)
WiredHome 0:729320f63c5c 226 {
WiredHome 0:729320f63c5c 227 int i;
WiredHome 0:729320f63c5c 228 int buflen = strlen(filename);
WiredHome 0:729320f63c5c 229 int extlen;
WiredHome 0:729320f63c5c 230
WiredHome 0:729320f63c5c 231 for (i=0; extensions[i].ext != 0; i++) {
WiredHome 0:729320f63c5c 232 extlen = strlen(extensions[i].ext);
WiredHome 0:729320f63c5c 233 if ( !strncmp(&filename[buflen-extlen], extensions[i].ext, extlen)) {
WiredHome 0:729320f63c5c 234 return extensions[i].filetype;
WiredHome 0:729320f63c5c 235 }
WiredHome 0:729320f63c5c 236 }
WiredHome 0:729320f63c5c 237 return NULL;
WiredHome 0:729320f63c5c 238 }
WiredHome 0:729320f63c5c 239
WiredHome 3:17928786bdb5 240
WiredHome 0:729320f63c5c 241 void HTTPServer::send(const char * msg, int bytes)
WiredHome 0:729320f63c5c 242 {
WiredHome 0:729320f63c5c 243 if (bytes == -1)
WiredHome 0:729320f63c5c 244 bytes = strlen(msg);
WiredHome 0:729320f63c5c 245 wifly->send(msg, bytes);
WiredHome 0:729320f63c5c 246 }
WiredHome 0:729320f63c5c 247
WiredHome 3:17928786bdb5 248
WiredHome 0:729320f63c5c 249 bool HTTPServer::SendFile(const char * filename, const char * filetype)
WiredHome 0:729320f63c5c 250 {
WiredHome 0:729320f63c5c 251 FILE * fp;
WiredHome 3:17928786bdb5 252
WiredHome 0:729320f63c5c 253 fp = fopen(filename,"rb");
WiredHome 0:729320f63c5c 254 if (fp) { // can open it
WiredHome 8:262583f054f6 255 char *fbuffer = (char *)mymalloc(FILESEND_BUF_SIZE);
WiredHome 0:729320f63c5c 256 int bytes;
WiredHome 0:729320f63c5c 257
WiredHome 3:17928786bdb5 258 if (fbuffer) {
WiredHome 3:17928786bdb5 259 header(200, "OK", filetype);
WiredHome 0:729320f63c5c 260 bytes = fread(fbuffer,sizeof(char),FILESEND_BUF_SIZE,fp);
WiredHome 3:17928786bdb5 261 while (bytes > 0) {
WiredHome 3:17928786bdb5 262 send(fbuffer, bytes);
WiredHome 3:17928786bdb5 263 bytes = fread(fbuffer,sizeof(char),FILESEND_BUF_SIZE,fp);
WiredHome 3:17928786bdb5 264 }
WiredHome 8:262583f054f6 265 myfree(fbuffer);
WiredHome 3:17928786bdb5 266 } else {
WiredHome 3:17928786bdb5 267 header(500, "Server Error", "Pragma: err - insufficient memory\r\n");
WiredHome 0:729320f63c5c 268 }
WiredHome 0:729320f63c5c 269 fclose(fp);
WiredHome 0:729320f63c5c 270 return true;
WiredHome 0:729320f63c5c 271 } else {
WiredHome 3:17928786bdb5 272 header(404, "Not Found", "Pragma: err - Can't open file\r\n");
WiredHome 0:729320f63c5c 273 return false;
WiredHome 0:729320f63c5c 274 }
WiredHome 0:729320f63c5c 275 }
WiredHome 0:729320f63c5c 276
WiredHome 0:729320f63c5c 277 int HTTPServer::HexCharToInt(char c)
WiredHome 0:729320f63c5c 278 {
WiredHome 0:729320f63c5c 279 if (c >= 'a' && c <= 'f')
WiredHome 0:729320f63c5c 280 return (c - 'a' + 10);
WiredHome 0:729320f63c5c 281 else if (c >= 'A' && c <= 'F')
WiredHome 0:729320f63c5c 282 return (c - 'A' + 10);
WiredHome 0:729320f63c5c 283 else if (c >= '0' && c <= '9')
WiredHome 0:729320f63c5c 284 return c - '0';
WiredHome 0:729320f63c5c 285 else
WiredHome 0:729320f63c5c 286 return 0;
WiredHome 0:729320f63c5c 287 }
WiredHome 0:729320f63c5c 288
WiredHome 0:729320f63c5c 289 char HTTPServer::HexPairToChar(char * p)
WiredHome 0:729320f63c5c 290 {
WiredHome 0:729320f63c5c 291 return 16 * HexCharToInt(*p) + HexCharToInt(*(p+1));
WiredHome 0:729320f63c5c 292 }
WiredHome 0:729320f63c5c 293
WiredHome 0:729320f63c5c 294 void HTTPServer::UnescapeString(char * encoded)
WiredHome 0:729320f63c5c 295 {
WiredHome 0:729320f63c5c 296 char *p;
WiredHome 0:729320f63c5c 297
WiredHome 0:729320f63c5c 298 // first convert '+' to ' '
WiredHome 0:729320f63c5c 299 p = strchr(encoded, '+');
WiredHome 0:729320f63c5c 300 while (p) {
WiredHome 0:729320f63c5c 301 *p = ' ';
WiredHome 0:729320f63c5c 302 p = strchr(encoded, '+');
WiredHome 0:729320f63c5c 303 }
WiredHome 0:729320f63c5c 304 // then convert hex '%xx' to char 'x'
WiredHome 0:729320f63c5c 305 p = strchr(encoded, '%');
WiredHome 0:729320f63c5c 306 while (p) {
WiredHome 0:729320f63c5c 307 if (strchr("0123456789ABCDEFabcdef", *(p+1))
WiredHome 0:729320f63c5c 308 && strchr("0123456789ABCDEFabcdef", *(p+2)) ) {
WiredHome 0:729320f63c5c 309 *p = HexPairToChar(p+1);
WiredHome 0:729320f63c5c 310 p++; // advance past the %
WiredHome 0:729320f63c5c 311 char * a = p;
WiredHome 0:729320f63c5c 312 char * b = p + 2;
WiredHome 0:729320f63c5c 313 do {
WiredHome 0:729320f63c5c 314 *a++ = *b++;
WiredHome 0:729320f63c5c 315 } while (*b);
WiredHome 0:729320f63c5c 316 *a = '\0';
WiredHome 0:729320f63c5c 317 }
WiredHome 0:729320f63c5c 318 p = strchr(p, '%');
WiredHome 0:729320f63c5c 319 }
WiredHome 0:729320f63c5c 320 }
WiredHome 0:729320f63c5c 321
WiredHome 0:729320f63c5c 322 const char * HTTPServer::GetParameter(const char * name)
WiredHome 0:729320f63c5c 323 {
WiredHome 13:8975d7928678 324 for (int i=0; i<queryParamCount; i++) {
WiredHome 13:8975d7928678 325 if (strcmp(queryParams[i].name, name) == 0) {
WiredHome 13:8975d7928678 326 return queryParams[i].value;
WiredHome 0:729320f63c5c 327 }
WiredHome 0:729320f63c5c 328 }
WiredHome 0:729320f63c5c 329 return NULL;
WiredHome 0:729320f63c5c 330 }
WiredHome 0:729320f63c5c 331
WiredHome 0:729320f63c5c 332 // this=that&who=what&more=stuff...
WiredHome 0:729320f63c5c 333 // ^ ^ ^
WiredHome 3:17928786bdb5 334 void HTTPServer::ParseParameters(char * pName)
WiredHome 0:729320f63c5c 335 {
WiredHome 0:729320f63c5c 336 char * pVal;
WiredHome 0:729320f63c5c 337 char * pNextName;
WiredHome 0:729320f63c5c 338
WiredHome 13:8975d7928678 339 // Parse queryParams
WiredHome 0:729320f63c5c 340 pVal = strchr(pName, '#'); // If there is a '#fragment_id', we can ignore it
WiredHome 0:729320f63c5c 341 if (pVal)
WiredHome 3:17928786bdb5 342 *pVal = '\0';
WiredHome 0:729320f63c5c 343 do {
WiredHome 13:8975d7928678 344 queryParams[queryParamCount].name = pName;
WiredHome 0:729320f63c5c 345 pVal = strchr(pName, '=');
WiredHome 0:729320f63c5c 346 pNextName = strchr(pName,'&');
WiredHome 0:729320f63c5c 347 if (pVal) {
WiredHome 0:729320f63c5c 348 if (pNextName == NULL || (pNextName && pNextName > pVal)) {
WiredHome 0:729320f63c5c 349 *pVal++ = '\0';
WiredHome 13:8975d7928678 350 queryParams[queryParamCount].value = pVal;
WiredHome 0:729320f63c5c 351 pName = pVal;
WiredHome 0:729320f63c5c 352 }
WiredHome 0:729320f63c5c 353 }
WiredHome 13:8975d7928678 354 queryParamCount++;
WiredHome 0:729320f63c5c 355 if (pNextName) {
WiredHome 0:729320f63c5c 356 pName = pNextName;
WiredHome 0:729320f63c5c 357 *pName++ = '\0';
WiredHome 0:729320f63c5c 358 } else {
WiredHome 0:729320f63c5c 359 pName = NULL;
WiredHome 0:729320f63c5c 360 }
WiredHome 13:8975d7928678 361 } while (pName && queryParamCount < maxqueryParams);
WiredHome 0:729320f63c5c 362 }
WiredHome 0:729320f63c5c 363
WiredHome 0:729320f63c5c 364
WiredHome 5:c9b27e718054 365 bool HTTPServer::GetRemoteAddr(char * str, int strSize)
WiredHome 0:729320f63c5c 366 {
WiredHome 0:729320f63c5c 367 bool res = false;
WiredHome 0:729320f63c5c 368 char *p;
WiredHome 0:729320f63c5c 369
WiredHome 4:f34642902056 370 if (strSize < 16) { // Can only guard it here w/o modifying Wifly class
WiredHome 3:17928786bdb5 371 *str = '\0';
WiredHome 5:c9b27e718054 372 return res;
WiredHome 3:17928786bdb5 373 }
WiredHome 5:c9b27e718054 374 res = wifly->sendCommand("show z\r", NULL, str, strSize);
WiredHome 0:729320f63c5c 375 if (res) {
WiredHome 0:729320f63c5c 376 p = strchr(str, '\n'); // truncate after the octets.
WiredHome 0:729320f63c5c 377 if (p) *p = '\0';
WiredHome 0:729320f63c5c 378 p = strchr(str, ' '); // or a space
WiredHome 0:729320f63c5c 379 if (p) *p = '\0';
WiredHome 0:729320f63c5c 380 p = strchr(str, '<'); // or a <
WiredHome 0:729320f63c5c 381 if (p) *p = '\0';
WiredHome 5:c9b27e718054 382 res = true;
WiredHome 0:729320f63c5c 383 }
WiredHome 0:729320f63c5c 384 wifly->exit();
WiredHome 5:c9b27e718054 385 return res;
WiredHome 0:729320f63c5c 386 }
WiredHome 0:729320f63c5c 387
WiredHome 0:729320f63c5c 388
WiredHome 0:729320f63c5c 389 void HTTPServer::header(int code, const char * code_text, const char * content_type, const char * optional_text)
WiredHome 0:729320f63c5c 390 {
WiredHome 0:729320f63c5c 391 char http[100];
WiredHome 0:729320f63c5c 392
WiredHome 0:729320f63c5c 393 sprintf(http, "%s %i %s\r\n", hdr_httpver, code, code_text);
WiredHome 0:729320f63c5c 394 send(http);
WiredHome 0:729320f63c5c 395 send(hdr_age);
WiredHome 0:729320f63c5c 396 send(hdr_server);
WiredHome 0:729320f63c5c 397 if (content_type) {
WiredHome 0:729320f63c5c 398 send(content_type);
WiredHome 0:729320f63c5c 399 }
WiredHome 0:729320f63c5c 400 if (optional_text) {
WiredHome 0:729320f63c5c 401 send(optional_text);
WiredHome 0:729320f63c5c 402 }
WiredHome 2:a29c32190037 403 send(hdr_dnt);
WiredHome 0:729320f63c5c 404 send(hdr_close);
WiredHome 0:729320f63c5c 405 send(nl);
WiredHome 0:729320f63c5c 406 }
WiredHome 0:729320f63c5c 407
WiredHome 14:19c5f6151319 408
WiredHome 7:99ad7a67f05e 409 bool HTTPServer::close_connection()
WiredHome 0:729320f63c5c 410 {
WiredHome 7:99ad7a67f05e 411 bool res;
WiredHome 7:99ad7a67f05e 412
WiredHome 14:19c5f6151319 413 res = server->close();
WiredHome 7:99ad7a67f05e 414 #ifdef DEBUG
WiredHome 7:99ad7a67f05e 415 pc->printf("close connection returned %d\r\n", res);
WiredHome 0:729320f63c5c 416 #endif
WiredHome 7:99ad7a67f05e 417 return res;
WiredHome 0:729320f63c5c 418 }
WiredHome 0:729320f63c5c 419
WiredHome 14:19c5f6151319 420
WiredHome 0:729320f63c5c 421 bool HTTPServer::Extract(char * haystack, char * needle, char ** string)
WiredHome 0:729320f63c5c 422 {
WiredHome 0:729320f63c5c 423 bool ret = false; // assume failure until proven otherwise
WiredHome 0:729320f63c5c 424 char * qs = NULL;
WiredHome 0:729320f63c5c 425 char * eqs = NULL;
WiredHome 0:729320f63c5c 426 char * container = NULL;
WiredHome 0:729320f63c5c 427 char * get = strstr(haystack, needle); // what if not at the front?
WiredHome 0:729320f63c5c 428 if (get) {
WiredHome 0:729320f63c5c 429 // Seems to be a valid "...GET /QueryString HTTP/1.1"
WiredHome 8:262583f054f6 430 // or "...<needle>param..."
WiredHome 0:729320f63c5c 431 qs = get + strlen(needle); // in case the needle didn't have space delimiters
WiredHome 0:729320f63c5c 432 while (*qs == ' ')
WiredHome 0:729320f63c5c 433 qs++;
WiredHome 0:729320f63c5c 434 // /QueryString\0HTTP/1.1\0\0
WiredHome 0:729320f63c5c 435 if (*string) // recycle old string when working a new one
WiredHome 8:262583f054f6 436 myfree(*string);
WiredHome 8:262583f054f6 437 container = (char *)mymalloc(strlen(qs));
WiredHome 0:729320f63c5c 438 if (container) {
WiredHome 0:729320f63c5c 439 strcpy(container, qs);
WiredHome 0:729320f63c5c 440 eqs = strchr(container, ' ');
WiredHome 0:729320f63c5c 441 if (eqs)
WiredHome 0:729320f63c5c 442 *eqs = '\0';
WiredHome 0:729320f63c5c 443 *string = container;
WiredHome 8:262583f054f6 444 #ifdef DEBUG
WiredHome 8:262583f054f6 445 pc->printf("Extract(%s) = %s\r\n", needle, container);
WiredHome 8:262583f054f6 446 #endif
WiredHome 0:729320f63c5c 447 ret = true;
WiredHome 0:729320f63c5c 448 } else {
WiredHome 0:729320f63c5c 449 *string = NULL; // something bad happened... no memory
WiredHome 0:729320f63c5c 450 }
WiredHome 0:729320f63c5c 451 }
WiredHome 0:729320f63c5c 452 return ret;
WiredHome 0:729320f63c5c 453 }
WiredHome 0:729320f63c5c 454
WiredHome 14:19c5f6151319 455
WiredHome 0:729320f63c5c 456 char * HTTPServer::rewriteWithDefaultFile(char * queryString)
WiredHome 0:729320f63c5c 457 {
WiredHome 8:262583f054f6 458 char * temp = (char *)mymalloc(strlen(queryString) + strlen(DEFAULT_FILENAME) + 1);
WiredHome 0:729320f63c5c 459
WiredHome 0:729320f63c5c 460 if (temp) {
WiredHome 0:729320f63c5c 461 *temp = '\0';
WiredHome 0:729320f63c5c 462 strcpy(temp, queryString);
WiredHome 0:729320f63c5c 463 strcat(temp, DEFAULT_FILENAME);
WiredHome 8:262583f054f6 464 myfree(queryString);
WiredHome 0:729320f63c5c 465 return temp;
WiredHome 0:729320f63c5c 466 } else {
WiredHome 0:729320f63c5c 467 return queryString;
WiredHome 0:729320f63c5c 468 }
WiredHome 0:729320f63c5c 469 }
WiredHome 0:729320f63c5c 470
WiredHome 14:19c5f6151319 471
WiredHome 0:729320f63c5c 472 char * HTTPServer::rewritePrependWebroot(char * queryString)
WiredHome 0:729320f63c5c 473 {
WiredHome 8:262583f054f6 474 char * temp = (char *)mymalloc(strlen(webroot) + strlen(queryString) + 1);
WiredHome 0:729320f63c5c 475
WiredHome 0:729320f63c5c 476 if (temp) {
WiredHome 0:729320f63c5c 477 *temp = '\0';
WiredHome 0:729320f63c5c 478 strcpy(temp, webroot);
WiredHome 0:729320f63c5c 479 if (temp[strlen(temp)-1] == '/' && *queryString == '/')
WiredHome 0:729320f63c5c 480 temp[strlen(temp)-1] = '\0';
WiredHome 0:729320f63c5c 481 strcat(temp, queryString);
WiredHome 8:262583f054f6 482 myfree(queryString);
WiredHome 0:729320f63c5c 483 return temp;
WiredHome 0:729320f63c5c 484 } else {
WiredHome 0:729320f63c5c 485 return queryString;
WiredHome 0:729320f63c5c 486 }
WiredHome 0:729320f63c5c 487 }
WiredHome 0:729320f63c5c 488
WiredHome 14:19c5f6151319 489
WiredHome 3:17928786bdb5 490 bool HTTPServer::CheckDynamicHandlers()
WiredHome 3:17928786bdb5 491 {
WiredHome 3:17928786bdb5 492 bool regHandled = false;
WiredHome 0:729320f63c5c 493
WiredHome 3:17928786bdb5 494 // If this queryString is in the list of registered handlers, call that
WiredHome 3:17928786bdb5 495 for (int i=0; i<handlercount; i++) {
WiredHome 3:17928786bdb5 496 if (strcmp(handlers[i].path, queryString) == 0) {
WiredHome 13:8975d7928678 497 (*handlers[i].callback)(this, SEND_PAGE, queryString, queryParams, queryParamCount);
WiredHome 3:17928786bdb5 498 regHandled = true;
WiredHome 3:17928786bdb5 499 break; // we only execute the first one
WiredHome 3:17928786bdb5 500 }
WiredHome 3:17928786bdb5 501 }
WiredHome 3:17928786bdb5 502 return regHandled;
WiredHome 3:17928786bdb5 503 }
WiredHome 3:17928786bdb5 504
WiredHome 14:19c5f6151319 505
WiredHome 3:17928786bdb5 506 void HTTPServer::SendResponse()
WiredHome 3:17928786bdb5 507 {
WiredHome 8:262583f054f6 508 #ifdef DEBUG
WiredHome 8:262583f054f6 509 pc->printf("SendResponse(%s) [%d]\r\n", queryType, __LINE__);
WiredHome 8:262583f054f6 510 #endif
WiredHome 3:17928786bdb5 511 if (strcmp(queryType, "GET") == 0 || strcmp(queryType, "POST") == 0) {
WiredHome 3:17928786bdb5 512 if (!(queryString[0] == '.' && queryString[1] == '.')) {
WiredHome 3:17928786bdb5 513 const char * fType;
WiredHome 3:17928786bdb5 514
WiredHome 8:262583f054f6 515 #ifdef DEBUG
WiredHome 8:262583f054f6 516 pc->printf(" SendResponse() [%d]\r\n", __LINE__);
WiredHome 8:262583f054f6 517 #endif
WiredHome 3:17928786bdb5 518 if (!CheckDynamicHandlers()) {
WiredHome 3:17928786bdb5 519 // Otherwise, this queryString must be trying to reference a static file
WiredHome 3:17928786bdb5 520 if (queryString[strlen(queryString)-1] == '/') {
WiredHome 3:17928786bdb5 521 queryString = rewriteWithDefaultFile(queryString);
WiredHome 3:17928786bdb5 522 }
WiredHome 3:17928786bdb5 523 // see if we support this file type
WiredHome 3:17928786bdb5 524 fType = GetSupportedType(queryString);
WiredHome 3:17928786bdb5 525 if (fType) {
WiredHome 3:17928786bdb5 526 queryString = rewritePrependWebroot(queryString);
WiredHome 3:17928786bdb5 527 SendFile(queryString, fType);
WiredHome 3:17928786bdb5 528 } else {
WiredHome 3:17928786bdb5 529 //pc->printf("Unsupported file type %s\r\n", queryString);
WiredHome 3:17928786bdb5 530 header(404, "Not Found", "Pragma: err - Unsupported type\r\n");
WiredHome 3:17928786bdb5 531 }
WiredHome 3:17928786bdb5 532 }
WiredHome 3:17928786bdb5 533 } else {
WiredHome 3:17928786bdb5 534 //pc->printf("Unsupported path %s\r\n", queryString);
WiredHome 3:17928786bdb5 535 header(400, "Bad Request", "Pragma: err - Unsupported path\r\n");
WiredHome 3:17928786bdb5 536 }
WiredHome 3:17928786bdb5 537 } else {
WiredHome 3:17928786bdb5 538 //pc->printf("Unsupported query type %s\r\n", queryType);
WiredHome 3:17928786bdb5 539 header(400, "Bad Request", "Pragma: err - Unsupported query type\r\n");
WiredHome 3:17928786bdb5 540 }
WiredHome 3:17928786bdb5 541 if (queryType) {
WiredHome 8:262583f054f6 542 myfree(queryType);
WiredHome 3:17928786bdb5 543 queryType = NULL;
WiredHome 3:17928786bdb5 544 }
WiredHome 3:17928786bdb5 545 if (queryString) {
WiredHome 8:262583f054f6 546 myfree(queryString);
WiredHome 3:17928786bdb5 547 queryString = NULL;
WiredHome 3:17928786bdb5 548 }
WiredHome 3:17928786bdb5 549 if (postQueryString) {
WiredHome 8:262583f054f6 550 myfree(postQueryString);
WiredHome 3:17928786bdb5 551 postQueryString = NULL;
WiredHome 3:17928786bdb5 552 }
WiredHome 3:17928786bdb5 553 }
WiredHome 3:17928786bdb5 554
WiredHome 14:19c5f6151319 555
WiredHome 3:17928786bdb5 556 bool HTTPServer::ParseHeader(char * buffer)
WiredHome 3:17928786bdb5 557 {
WiredHome 3:17928786bdb5 558 char * dblCR;
WiredHome 3:17928786bdb5 559 bool advanceState = false;
WiredHome 3:17928786bdb5 560 int bytecount;
WiredHome 7:99ad7a67f05e 561
WiredHome 3:17928786bdb5 562 // Buffer could have partial, but the double \r\n is the key
WiredHome 13:8975d7928678 563 // GET /QueryString?this=that&sky=blue HTTP/1.1\r\n
WiredHome 8:262583f054f6 564 // GET /QueryString HTTP/1.1\r\nHost: 192.168.1.140\r\nCache-Con
WiredHome 8:262583f054f6 565 // GET /QueryString HTTP/1.1\r\nHost: 192.168.1.140\r\nCache-Control: max-age=0\r\n\r\n
WiredHome 3:17928786bdb5 566 dblCR = strstr(buffer,"\r\n\r\n");
WiredHome 3:17928786bdb5 567 if (dblCR) { // Have to scan from the beginning in case split on \r
WiredHome 8:262583f054f6 568 #ifdef DEBUG
WiredHome 8:262583f054f6 569 pc->printf("==\r\n%s==\r\n", buffer);
WiredHome 3:17928786bdb5 570 #endif
WiredHome 3:17928786bdb5 571 char * soRec = buffer; // start of the next record of text
WiredHome 13:8975d7928678 572 char * eoRec = strchr(soRec, '\n'); // search for end of the current record
WiredHome 7:99ad7a67f05e 573
WiredHome 13:8975d7928678 574 headerParamCount = 0;
WiredHome 3:17928786bdb5 575 bytecount = strlen(buffer);
WiredHome 3:17928786bdb5 576 if (bytecount > maxheaderbytes)
WiredHome 3:17928786bdb5 577 maxheaderbytes = bytecount;
WiredHome 3:17928786bdb5 578 while (eoRec) {
WiredHome 3:17928786bdb5 579 *eoRec = '\0';
WiredHome 3:17928786bdb5 580 if (*(eoRec-1) == '\r')
WiredHome 3:17928786bdb5 581 *(eoRec-1) = '\0';
WiredHome 8:262583f054f6 582 // Inspect the supported query types (GET, POST) and ignore (HEAD, PUT, OPTION, DELETE, TRACE, CONNECT]
WiredHome 8:262583f054f6 583 // This is very clumsy
WiredHome 8:262583f054f6 584 if (strstr(soRec, "GET ") == soRec) {
WiredHome 8:262583f054f6 585 Extract(soRec, "GET", &queryString);
WiredHome 8:262583f054f6 586 if (queryString) {
WiredHome 8:262583f054f6 587 queryType = (char *)mymalloc(strlen("GET")+1);
WiredHome 8:262583f054f6 588 strcpy(queryType, "GET");
WiredHome 8:262583f054f6 589 }
WiredHome 8:262583f054f6 590 } else if (strstr(soRec, "POST ") == soRec) {
WiredHome 8:262583f054f6 591 Extract(soRec, "POST", &queryString);
WiredHome 8:262583f054f6 592 if (queryString) {
WiredHome 8:262583f054f6 593 queryType = (char *)mymalloc(strlen("POST")+1);
WiredHome 8:262583f054f6 594 strcpy(queryType, "POST");
WiredHome 8:262583f054f6 595 }
WiredHome 10:9c8d2c6a3469 596 }
WiredHome 13:8975d7928678 597
WiredHome 13:8975d7928678 598 // if there is a ": " delimiter, we have a header item to parse into name,value pair
WiredHome 13:8975d7928678 599 // "Connection: keep-alive" becomes "Connection" "keep-alive"
WiredHome 13:8975d7928678 600 char *delim = strstr(soRec, ": ");
WiredHome 13:8975d7928678 601 char *chkSpace = strchr(soRec, ' '); // a field-name has no space ahead of the ":"
WiredHome 13:8975d7928678 602 if (delim
WiredHome 13:8975d7928678 603 && (!chkSpace || (chkSpace && delim < chkSpace))
WiredHome 13:8975d7928678 604 && headerParamCount < maxheaderParams) {
WiredHome 14:19c5f6151319 605 *delim++ = '\0'; // replace ": " with null
WiredHome 13:8975d7928678 606 *delim++ = '\0';
WiredHome 13:8975d7928678 607 headerParams[headerParamCount].name = soRec;
WiredHome 13:8975d7928678 608 headerParams[headerParamCount].value = delim;
WiredHome 13:8975d7928678 609 #ifdef DEBUG
WiredHome 13:8975d7928678 610 pc->printf("%d: headerParams[%s] = {%s}\r\n", headerParamCount,
WiredHome 13:8975d7928678 611 headerParams[headerParamCount].name, headerParams[headerParamCount].value);
WiredHome 13:8975d7928678 612 #endif
WiredHome 13:8975d7928678 613 headerParamCount++;
WiredHome 13:8975d7928678 614 }
WiredHome 3:17928786bdb5 615 soRec = eoRec + 1;
WiredHome 3:17928786bdb5 616 eoRec = strchr(soRec, '\n');
WiredHome 3:17928786bdb5 617 }
WiredHome 3:17928786bdb5 618 if (queryString) {
WiredHome 3:17928786bdb5 619 // We have enough to try to reply
WiredHome 12:109bf1558300 620 #ifdef DEBUG
WiredHome 8:262583f054f6 621 pc->printf("create reply queryType{%s}, queryString{%s}\r\n", "GET", queryString);
WiredHome 12:109bf1558300 622 #endif
WiredHome 13:8975d7928678 623 // parse queryParams - if any
WiredHome 3:17928786bdb5 624 // /file.htm?name1=value1&name2=value2...
WiredHome 3:17928786bdb5 625 // /file.htm?name1&name2=value2...
WiredHome 13:8975d7928678 626 queryParamCount = 0;
WiredHome 3:17928786bdb5 627 char * paramDelim = strchr(queryString, '?');
WiredHome 3:17928786bdb5 628 if (paramDelim) {
WiredHome 3:17928786bdb5 629 *paramDelim++ = '\0';
WiredHome 3:17928786bdb5 630 UnescapeString(paramDelim); // everything after the '?'
WiredHome 13:8975d7928678 631 ParseParameters(paramDelim); // pointing at the NULL, but there are queryParams beyond
WiredHome 3:17928786bdb5 632 }
WiredHome 3:17928786bdb5 633 } else {
WiredHome 10:9c8d2c6a3469 634 pc->printf("ERROR: queryString not found in (%s)\r\n", soRec);
WiredHome 3:17928786bdb5 635 }
WiredHome 3:17928786bdb5 636 advanceState = true;
WiredHome 3:17928786bdb5 637 buffer[0] = 0;
WiredHome 3:17928786bdb5 638
WiredHome 3:17928786bdb5 639 // This part parses the extra data on a POST method.
WiredHome 3:17928786bdb5 640 // Since there has to be a dynamic handler registered for this
WiredHome 3:17928786bdb5 641 // it would make sense to move some of this responsibility to
WiredHome 3:17928786bdb5 642 // that handler. It could then choose if it wanted to allocate
WiredHome 3:17928786bdb5 643 // the requested 'Content-Length' amount of memory.
WiredHome 3:17928786bdb5 644 // Should we check the 'Content-Type' to see if it is
WiredHome 3:17928786bdb5 645 // 'application/x-www-form-urlencoded'?
WiredHome 13:8975d7928678 646 int postBytes = atoi(GetHeaderValue("Content-Length"));
WiredHome 3:17928786bdb5 647 bool acceptIt = false;
WiredHome 3:17928786bdb5 648 if (strcmp(queryType, "POST") == 0 && postBytes > 0 ) {
WiredHome 3:17928786bdb5 649 if (postBytes) {
WiredHome 3:17928786bdb5 650 bool regHandled = false;
WiredHome 3:17928786bdb5 651 // Registered Dynamic Handler
WiredHome 3:17928786bdb5 652 // Callback and ask if they want to accept this data
WiredHome 3:17928786bdb5 653 for (int i=0; i<handlercount; i++) {
WiredHome 3:17928786bdb5 654 if (strcmp(handlers[i].path, queryString) == 0) {
WiredHome 13:8975d7928678 655 acceptIt = (*handlers[i].callback)(this, CONTENT_LENGTH_REQUEST, queryString, queryParams, queryParamCount);
WiredHome 3:17928786bdb5 656 regHandled = true;
WiredHome 3:17928786bdb5 657 break; // we only execute the first one
WiredHome 3:17928786bdb5 658 }
WiredHome 3:17928786bdb5 659 }
WiredHome 3:17928786bdb5 660
WiredHome 3:17928786bdb5 661 if (regHandled && acceptIt) {
WiredHome 3:17928786bdb5 662 // If so, we'll make space for it
WiredHome 8:262583f054f6 663 postQueryString = (char *)mymalloc(postBytes + 1);
WiredHome 3:17928786bdb5 664 if (postQueryString) {
WiredHome 3:17928786bdb5 665 char * offset;
WiredHome 3:17928786bdb5 666 int len;
WiredHome 3:17928786bdb5 667
WiredHome 3:17928786bdb5 668 dblCR += 4; // If we slurped up any of the POST,
WiredHome 3:17928786bdb5 669 while (*dblCR && *dblCR <= ' ')
WiredHome 3:17928786bdb5 670 dblCR++;
WiredHome 3:17928786bdb5 671 strcpy(postQueryString, dblCR); // copy that in and then get the rest
WiredHome 3:17928786bdb5 672 while ((len = strlen(postQueryString)) < postBytes) {
WiredHome 3:17928786bdb5 673 int n;
WiredHome 3:17928786bdb5 674 offset = postQueryString + len;
WiredHome 3:17928786bdb5 675 n = client.receive(offset, postBytes - len);
WiredHome 3:17928786bdb5 676 if (n >=0) {
WiredHome 3:17928786bdb5 677 offset[n] = '\0';
WiredHome 3:17928786bdb5 678 }
WiredHome 3:17928786bdb5 679 }
WiredHome 3:17928786bdb5 680 if (len >= 0) {
WiredHome 3:17928786bdb5 681 UnescapeString(postQueryString);
WiredHome 3:17928786bdb5 682 ParseParameters(postQueryString);
WiredHome 3:17928786bdb5 683 }
WiredHome 3:17928786bdb5 684 }
WiredHome 3:17928786bdb5 685 } else {
WiredHome 3:17928786bdb5 686 // Simply copy it to the bitbucket
WiredHome 3:17928786bdb5 687 int bytesToDump = postBytes;
WiredHome 8:262583f054f6 688 char * bitbucket = (char *)mymalloc(201);
WiredHome 3:17928786bdb5 689 dblCR += 4;
WiredHome 3:17928786bdb5 690 while (*dblCR && *dblCR <= ' ')
WiredHome 3:17928786bdb5 691 dblCR++;
WiredHome 3:17928786bdb5 692 bytesToDump -= strlen(dblCR);
WiredHome 3:17928786bdb5 693 while (bytesToDump > 0) {
WiredHome 3:17928786bdb5 694 int n = (bytesToDump > 200) ? 200 : bytesToDump;
WiredHome 3:17928786bdb5 695 n = client.receive(bitbucket, n);
WiredHome 3:17928786bdb5 696 bytesToDump -= n;
WiredHome 3:17928786bdb5 697 }
WiredHome 8:262583f054f6 698 myfree(bitbucket);
WiredHome 3:17928786bdb5 699 }
WiredHome 3:17928786bdb5 700 }
WiredHome 3:17928786bdb5 701 }
WiredHome 3:17928786bdb5 702 }
WiredHome 3:17928786bdb5 703 return advanceState;
WiredHome 3:17928786bdb5 704 }
WiredHome 3:17928786bdb5 705
WiredHome 14:19c5f6151319 706
WiredHome 13:8975d7928678 707 const char * HTTPServer::GetHeaderValue(const char * hdr)
WiredHome 13:8975d7928678 708 {
WiredHome 13:8975d7928678 709 int i;
WiredHome 13:8975d7928678 710
WiredHome 13:8975d7928678 711 for (i=0; i<headerParamCount; i++)
WiredHome 13:8975d7928678 712 {
WiredHome 13:8975d7928678 713 if (strcmp(hdr, headerParams[i].name) == 0)
WiredHome 13:8975d7928678 714 return headerParams[i].value;
WiredHome 13:8975d7928678 715 }
WiredHome 13:8975d7928678 716 return NULL;
WiredHome 13:8975d7928678 717 }
WiredHome 13:8975d7928678 718
WiredHome 12:109bf1558300 719
WiredHome 7:99ad7a67f05e 720 void HTTPServer::GetPerformanceData(SW_PerformanceData * p)
WiredHome 7:99ad7a67f05e 721 {
WiredHome 3:17928786bdb5 722 memcpy(p, &perfData, sizeof(perfData));
WiredHome 3:17928786bdb5 723 }
WiredHome 3:17928786bdb5 724
WiredHome 14:19c5f6151319 725
WiredHome 7:99ad7a67f05e 726 int HTTPServer::RecordPerformanceData(SW_PerformanceParam * param, int refTime)
WiredHome 7:99ad7a67f05e 727 {
WiredHome 10:9c8d2c6a3469 728 int t_now = PerformanceTimer.read_us();
WiredHome 3:17928786bdb5 729 param->TotalTime_us += (t_now - refTime);
WiredHome 3:17928786bdb5 730 param->Samples++;
WiredHome 3:17928786bdb5 731 if ((t_now - refTime) > param->MaxTime_us)
WiredHome 3:17928786bdb5 732 param->MaxTime_us = (t_now - refTime);
WiredHome 3:17928786bdb5 733 return t_now;
WiredHome 3:17928786bdb5 734 }
WiredHome 3:17928786bdb5 735
WiredHome 14:19c5f6151319 736
WiredHome 7:99ad7a67f05e 737 void HTTPServer::ResetPerformanceData()
WiredHome 7:99ad7a67f05e 738 {
WiredHome 3:17928786bdb5 739 memset(&perfData, 0, sizeof(perfData));
WiredHome 3:17928786bdb5 740 }
WiredHome 3:17928786bdb5 741
WiredHome 4:f34642902056 742