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@23:6963f45e950a, 2013-10-10 (annotated)

Committer:
WiredHome
Date:
Thu Oct 10 16:00:23 2013 +0000
Revision:
23:6963f45e950a
Parent:
22:55974de690c1 
Enhanced debugging, but this version does not work. It hangs in the SendResponse, for reasons unknown.

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 23:6963f45e950a 17 #define DEBUG "HTTPd" // Debug aids report this
WiredHome 23:6963f45e950a 18 #include "DebugAid.h"
WiredHome 0:729320f63c5c 19
WiredHome 0:729320f63c5c 20 const char * DEFAULT_FILENAME = "index.htm";
WiredHome 0:729320f63c5c 21
WiredHome 8:262583f054f6 22 // Header information to always send (must be \r\n terminated)
WiredHome 17:69ff00ce39f4 23 const char hdr_httpver[] = "HTTP/1.0"; // Wifly may not be able to support HTTP/1.1 protocol
WiredHome 8:262583f054f6 24 const char hdr_age[] = "Max-age: 0\r\n"; // expires right away
WiredHome 8:262583f054f6 25 const char hdr_server[] = "Server: Smart_Server v0.1\r\n"; // Server
WiredHome 17:69ff00ce39f4 26 const char hdr_close[] = "Connection: close\r\n"; // tell the client the server closes the connection immediately
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 23:6963f45e950a 55 std::printf("[DBG %s%4d] malloc(%d)\r\n", DEBUG, 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 23:6963f45e950a 68 pc->printf("[DBG %s%4d] free(%02x %02x %02x %02x %02x ... %c%c%c%c%c)\r\n", DEBUG, __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 22:55974de690c1 91 if (strlen(webroot)>1 && webroot[strlen(webroot)-1] == '/') // remove trailing '/'
WiredHome 22:55974de690c1 92 webroot[strlen(webroot)-1] = '\0';
WiredHome 13:8975d7928678 93 maxqueryParams = _maxqueryParams;
WiredHome 0:729320f63c5c 94 maxdynamicpages = _maxdynamicpages;
WiredHome 13:8975d7928678 95 headerParams = (namevalue *)malloc(maxheaderParams * sizeof(namevalue));
WiredHome 13:8975d7928678 96 queryParams = (namevalue *)malloc(maxqueryParams * sizeof(namevalue));
WiredHome 0:729320f63c5c 97 handlers = (handler *)malloc(maxdynamicpages * sizeof(handler));
WiredHome 3:17928786bdb5 98 headerbuffersize = _allocforheader;
WiredHome 3:17928786bdb5 99 headerbuffer = (char *)malloc(headerbuffersize);
WiredHome 0:729320f63c5c 100 pc = _pc;
WiredHome 3:17928786bdb5 101 queryType = NULL;
WiredHome 3:17928786bdb5 102 queryString = NULL;
WiredHome 3:17928786bdb5 103 postQueryString = NULL;
WiredHome 13:8975d7928678 104 queryParamCount = 0;
WiredHome 0:729320f63c5c 105 handlercount = 0;
WiredHome 3:17928786bdb5 106 maxheaderbytes = 0;
WiredHome 0:729320f63c5c 107 server = new TCPSocketServer();
WiredHome 0:729320f63c5c 108 server->bind(port);
WiredHome 0:729320f63c5c 109 server->listen();
WiredHome 16:6ebacf2946d8 110 server->set_blocking(false, 10);
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 16:6ebacf2946d8 168 static unsigned int t_ref; // reference point for the PerformanceTimer
WiredHome 0:729320f63c5c 169
WiredHome 20:786aa5749007 170 #if defined(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 17:69ff00ce39f4 185 t_ref = (unsigned int)PerformanceTimer.read_us();
WiredHome 3:17928786bdb5 186 bPtr = headerbuffer;
WiredHome 11:17d84c41a7b3 187 if (0 == server->accept(client)) {
WiredHome 3:17928786bdb5 188 op = Receiving;
WiredHome 17:69ff00ce39f4 189 t_ref = RecordPerformanceData(&perfData.ConnectionAccepted, t_ref);
WiredHome 8:262583f054f6 190 #ifdef DEBUG
WiredHome 17:69ff00ce39f4 191 pc->printf("Accepted at %u\r\n", (unsigned int)PerformanceTimer.read_us());
WiredHome 8:262583f054f6 192 #endif
WiredHome 3:17928786bdb5 193 }
WiredHome 0:729320f63c5c 194 break;
WiredHome 8:262583f054f6 195
WiredHome 3:17928786bdb5 196 case Receiving:
WiredHome 3:17928786bdb5 197 n = client.receive(bPtr, headerbuffersize - (bPtr - headerbuffer));
WiredHome 3:17928786bdb5 198 if (n < 0) {
WiredHome 9:2ea342765c9d 199 #ifdef DEBUG
WiredHome 8:262583f054f6 200 pc->printf("*** client.receive() => %d\r\n", n);
WiredHome 9:2ea342765c9d 201 #endif
WiredHome 3:17928786bdb5 202 } else if (n) {
WiredHome 3:17928786bdb5 203 bPtr[n] = '\0';
WiredHome 3:17928786bdb5 204 if (ParseHeader(headerbuffer)) {
WiredHome 3:17928786bdb5 205 op = Sending;
WiredHome 17:69ff00ce39f4 206 t_ref = RecordPerformanceData(&perfData.HeaderParsed, t_ref);
WiredHome 17:69ff00ce39f4 207 #ifdef DEBUG
WiredHome 17:69ff00ce39f4 208 pc->printf("Header Parsed at %u\r\n", (unsigned int)PerformanceTimer.read_us());
WiredHome 17:69ff00ce39f4 209 #endif
WiredHome 3:17928786bdb5 210 }
WiredHome 3:17928786bdb5 211 bPtr += n;
WiredHome 0:729320f63c5c 212 }
WiredHome 0:729320f63c5c 213 break;
WiredHome 8:262583f054f6 214
WiredHome 0:729320f63c5c 215 case Sending:
WiredHome 3:17928786bdb5 216 SendResponse();
WiredHome 0:729320f63c5c 217 op = WaitingToClose;
WiredHome 17:69ff00ce39f4 218 t_ref = RecordPerformanceData(&perfData.ResponseSent, t_ref);
WiredHome 17:69ff00ce39f4 219 #ifdef DEBUG
WiredHome 17:69ff00ce39f4 220 pc->printf("Response Sent at %u\r\n", (unsigned int)PerformanceTimer.read_us());
WiredHome 17:69ff00ce39f4 221 #endif
WiredHome 0:729320f63c5c 222 break;
WiredHome 9:2ea342765c9d 223
WiredHome 0:729320f63c5c 224 case WaitingToClose:
WiredHome 17:69ff00ce39f4 225 #ifdef DEBUG
WiredHome 17:69ff00ce39f4 226 pc->printf("Connection closed entry %u\r\n", (unsigned int)PerformanceTimer.read_us());
WiredHome 17:69ff00ce39f4 227 #endif
WiredHome 3:17928786bdb5 228 close_connection();
WiredHome 0:729320f63c5c 229 op = Idle;
WiredHome 17:69ff00ce39f4 230 RecordPerformanceData(&perfData.ConnectionClosed, t_ref);
WiredHome 17:69ff00ce39f4 231 #ifdef DEBUG
WiredHome 17:69ff00ce39f4 232 pc->printf("Connection closed exit %u\r\n", (unsigned int)PerformanceTimer.read_us());
WiredHome 17:69ff00ce39f4 233 #endif
WiredHome 0:729320f63c5c 234 break;
WiredHome 0:729320f63c5c 235 }
WiredHome 0:729320f63c5c 236 }
WiredHome 0:729320f63c5c 237
WiredHome 0:729320f63c5c 238
WiredHome 0:729320f63c5c 239 const char * HTTPServer::GetSupportedType(const char * filename)
WiredHome 0:729320f63c5c 240 {
WiredHome 0:729320f63c5c 241 int i;
WiredHome 0:729320f63c5c 242 int buflen = strlen(filename);
WiredHome 0:729320f63c5c 243 int extlen;
WiredHome 0:729320f63c5c 244
WiredHome 0:729320f63c5c 245 for (i=0; extensions[i].ext != 0; i++) {
WiredHome 0:729320f63c5c 246 extlen = strlen(extensions[i].ext);
WiredHome 0:729320f63c5c 247 if ( !strncmp(&filename[buflen-extlen], extensions[i].ext, extlen)) {
WiredHome 0:729320f63c5c 248 return extensions[i].filetype;
WiredHome 0:729320f63c5c 249 }
WiredHome 0:729320f63c5c 250 }
WiredHome 0:729320f63c5c 251 return NULL;
WiredHome 0:729320f63c5c 252 }
WiredHome 0:729320f63c5c 253
WiredHome 3:17928786bdb5 254
WiredHome 0:729320f63c5c 255 void HTTPServer::send(const char * msg, int bytes)
WiredHome 0:729320f63c5c 256 {
WiredHome 0:729320f63c5c 257 if (bytes == -1)
WiredHome 0:729320f63c5c 258 bytes = strlen(msg);
WiredHome 20:786aa5749007 259 client.send((char *)msg, bytes);
WiredHome 0:729320f63c5c 260 }
WiredHome 0:729320f63c5c 261
WiredHome 3:17928786bdb5 262
WiredHome 0:729320f63c5c 263 bool HTTPServer::SendFile(const char * filename, const char * filetype)
WiredHome 0:729320f63c5c 264 {
WiredHome 0:729320f63c5c 265 FILE * fp;
WiredHome 3:17928786bdb5 266
WiredHome 0:729320f63c5c 267 fp = fopen(filename,"rb");
WiredHome 0:729320f63c5c 268 if (fp) { // can open it
WiredHome 8:262583f054f6 269 char *fbuffer = (char *)mymalloc(FILESEND_BUF_SIZE);
WiredHome 0:729320f63c5c 270 int bytes;
WiredHome 0:729320f63c5c 271
WiredHome 23:6963f45e950a 272 INFO("SendFile");
WiredHome 3:17928786bdb5 273 if (fbuffer) {
WiredHome 3:17928786bdb5 274 header(200, "OK", filetype);
WiredHome 0:729320f63c5c 275 bytes = fread(fbuffer,sizeof(char),FILESEND_BUF_SIZE,fp);
WiredHome 3:17928786bdb5 276 while (bytes > 0) {
WiredHome 3:17928786bdb5 277 send(fbuffer, bytes);
WiredHome 3:17928786bdb5 278 bytes = fread(fbuffer,sizeof(char),FILESEND_BUF_SIZE,fp);
WiredHome 3:17928786bdb5 279 }
WiredHome 8:262583f054f6 280 myfree(fbuffer);
WiredHome 3:17928786bdb5 281 } else {
WiredHome 3:17928786bdb5 282 header(500, "Server Error", "Pragma: err - insufficient memory\r\n");
WiredHome 0:729320f63c5c 283 }
WiredHome 0:729320f63c5c 284 fclose(fp);
WiredHome 0:729320f63c5c 285 return true;
WiredHome 0:729320f63c5c 286 } else {
WiredHome 3:17928786bdb5 287 header(404, "Not Found", "Pragma: err - Can't open file\r\n");
WiredHome 0:729320f63c5c 288 return false;
WiredHome 0:729320f63c5c 289 }
WiredHome 0:729320f63c5c 290 }
WiredHome 0:729320f63c5c 291
WiredHome 0:729320f63c5c 292 int HTTPServer::HexCharToInt(char c)
WiredHome 0:729320f63c5c 293 {
WiredHome 0:729320f63c5c 294 if (c >= 'a' && c <= 'f')
WiredHome 0:729320f63c5c 295 return (c - 'a' + 10);
WiredHome 0:729320f63c5c 296 else if (c >= 'A' && c <= 'F')
WiredHome 0:729320f63c5c 297 return (c - 'A' + 10);
WiredHome 0:729320f63c5c 298 else if (c >= '0' && c <= '9')
WiredHome 0:729320f63c5c 299 return c - '0';
WiredHome 0:729320f63c5c 300 else
WiredHome 0:729320f63c5c 301 return 0;
WiredHome 0:729320f63c5c 302 }
WiredHome 0:729320f63c5c 303
WiredHome 0:729320f63c5c 304 char HTTPServer::HexPairToChar(char * p)
WiredHome 0:729320f63c5c 305 {
WiredHome 0:729320f63c5c 306 return 16 * HexCharToInt(*p) + HexCharToInt(*(p+1));
WiredHome 0:729320f63c5c 307 }
WiredHome 0:729320f63c5c 308
WiredHome 0:729320f63c5c 309 void HTTPServer::UnescapeString(char * encoded)
WiredHome 0:729320f63c5c 310 {
WiredHome 0:729320f63c5c 311 char *p;
WiredHome 0:729320f63c5c 312
WiredHome 0:729320f63c5c 313 // first convert '+' to ' '
WiredHome 0:729320f63c5c 314 p = strchr(encoded, '+');
WiredHome 0:729320f63c5c 315 while (p) {
WiredHome 0:729320f63c5c 316 *p = ' ';
WiredHome 0:729320f63c5c 317 p = strchr(encoded, '+');
WiredHome 0:729320f63c5c 318 }
WiredHome 0:729320f63c5c 319 // then convert hex '%xx' to char 'x'
WiredHome 0:729320f63c5c 320 p = strchr(encoded, '%');
WiredHome 0:729320f63c5c 321 while (p) {
WiredHome 0:729320f63c5c 322 if (strchr("0123456789ABCDEFabcdef", *(p+1))
WiredHome 0:729320f63c5c 323 && strchr("0123456789ABCDEFabcdef", *(p+2)) ) {
WiredHome 0:729320f63c5c 324 *p = HexPairToChar(p+1);
WiredHome 0:729320f63c5c 325 p++; // advance past the %
WiredHome 0:729320f63c5c 326 char * a = p;
WiredHome 0:729320f63c5c 327 char * b = p + 2;
WiredHome 0:729320f63c5c 328 do {
WiredHome 0:729320f63c5c 329 *a++ = *b++;
WiredHome 0:729320f63c5c 330 } while (*b);
WiredHome 0:729320f63c5c 331 *a = '\0';
WiredHome 0:729320f63c5c 332 }
WiredHome 0:729320f63c5c 333 p = strchr(p, '%');
WiredHome 0:729320f63c5c 334 }
WiredHome 0:729320f63c5c 335 }
WiredHome 0:729320f63c5c 336
WiredHome 0:729320f63c5c 337 const char * HTTPServer::GetParameter(const char * name)
WiredHome 0:729320f63c5c 338 {
WiredHome 13:8975d7928678 339 for (int i=0; i<queryParamCount; i++) {
WiredHome 13:8975d7928678 340 if (strcmp(queryParams[i].name, name) == 0) {
WiredHome 13:8975d7928678 341 return queryParams[i].value;
WiredHome 0:729320f63c5c 342 }
WiredHome 0:729320f63c5c 343 }
WiredHome 0:729320f63c5c 344 return NULL;
WiredHome 0:729320f63c5c 345 }
WiredHome 0:729320f63c5c 346
WiredHome 0:729320f63c5c 347 // this=that&who=what&more=stuff...
WiredHome 0:729320f63c5c 348 // ^ ^ ^
WiredHome 3:17928786bdb5 349 void HTTPServer::ParseParameters(char * pName)
WiredHome 0:729320f63c5c 350 {
WiredHome 0:729320f63c5c 351 char * pVal;
WiredHome 0:729320f63c5c 352 char * pNextName;
WiredHome 0:729320f63c5c 353
WiredHome 13:8975d7928678 354 // Parse queryParams
WiredHome 0:729320f63c5c 355 pVal = strchr(pName, '#'); // If there is a '#fragment_id', we can ignore it
WiredHome 0:729320f63c5c 356 if (pVal)
WiredHome 3:17928786bdb5 357 *pVal = '\0';
WiredHome 0:729320f63c5c 358 do {
WiredHome 13:8975d7928678 359 queryParams[queryParamCount].name = pName;
WiredHome 0:729320f63c5c 360 pVal = strchr(pName, '=');
WiredHome 0:729320f63c5c 361 pNextName = strchr(pName,'&');
WiredHome 0:729320f63c5c 362 if (pVal) {
WiredHome 0:729320f63c5c 363 if (pNextName == NULL || (pNextName && pNextName > pVal)) {
WiredHome 0:729320f63c5c 364 *pVal++ = '\0';
WiredHome 13:8975d7928678 365 queryParams[queryParamCount].value = pVal;
WiredHome 0:729320f63c5c 366 pName = pVal;
WiredHome 0:729320f63c5c 367 }
WiredHome 0:729320f63c5c 368 }
WiredHome 13:8975d7928678 369 queryParamCount++;
WiredHome 0:729320f63c5c 370 if (pNextName) {
WiredHome 0:729320f63c5c 371 pName = pNextName;
WiredHome 0:729320f63c5c 372 *pName++ = '\0';
WiredHome 0:729320f63c5c 373 } else {
WiredHome 0:729320f63c5c 374 pName = NULL;
WiredHome 0:729320f63c5c 375 }
WiredHome 13:8975d7928678 376 } while (pName && queryParamCount < maxqueryParams);
WiredHome 0:729320f63c5c 377 }
WiredHome 0:729320f63c5c 378
WiredHome 0:729320f63c5c 379
WiredHome 0:729320f63c5c 380 void HTTPServer::header(int code, const char * code_text, const char * content_type, const char * optional_text)
WiredHome 0:729320f63c5c 381 {
WiredHome 0:729320f63c5c 382 char http[100];
WiredHome 0:729320f63c5c 383
WiredHome 0:729320f63c5c 384 sprintf(http, "%s %i %s\r\n", hdr_httpver, code, code_text);
WiredHome 23:6963f45e950a 385 INFO("header(%s)", http);
WiredHome 0:729320f63c5c 386 send(http);
WiredHome 0:729320f63c5c 387 send(hdr_age);
WiredHome 0:729320f63c5c 388 send(hdr_server);
WiredHome 0:729320f63c5c 389 if (content_type) {
WiredHome 0:729320f63c5c 390 send(content_type);
WiredHome 0:729320f63c5c 391 }
WiredHome 0:729320f63c5c 392 if (optional_text) {
WiredHome 0:729320f63c5c 393 send(optional_text);
WiredHome 0:729320f63c5c 394 }
WiredHome 0:729320f63c5c 395 send(hdr_close);
WiredHome 0:729320f63c5c 396 send(nl);
WiredHome 0:729320f63c5c 397 }
WiredHome 0:729320f63c5c 398
WiredHome 14:19c5f6151319 399
WiredHome 7:99ad7a67f05e 400 bool HTTPServer::close_connection()
WiredHome 0:729320f63c5c 401 {
WiredHome 7:99ad7a67f05e 402 bool res;
WiredHome 7:99ad7a67f05e 403
WiredHome 14:19c5f6151319 404 res = server->close();
WiredHome 7:99ad7a67f05e 405 #ifdef DEBUG
WiredHome 7:99ad7a67f05e 406 pc->printf("close connection returned %d\r\n", res);
WiredHome 0:729320f63c5c 407 #endif
WiredHome 7:99ad7a67f05e 408 return res;
WiredHome 0:729320f63c5c 409 }
WiredHome 0:729320f63c5c 410
WiredHome 14:19c5f6151319 411
WiredHome 0:729320f63c5c 412 bool HTTPServer::Extract(char * haystack, char * needle, char ** string)
WiredHome 0:729320f63c5c 413 {
WiredHome 0:729320f63c5c 414 bool ret = false; // assume failure until proven otherwise
WiredHome 0:729320f63c5c 415 char * qs = NULL;
WiredHome 0:729320f63c5c 416 char * eqs = NULL;
WiredHome 0:729320f63c5c 417 char * container = NULL;
WiredHome 0:729320f63c5c 418 char * get = strstr(haystack, needle); // what if not at the front?
WiredHome 0:729320f63c5c 419 if (get) {
WiredHome 0:729320f63c5c 420 // Seems to be a valid "...GET /QueryString HTTP/1.1"
WiredHome 8:262583f054f6 421 // or "...<needle>param..."
WiredHome 0:729320f63c5c 422 qs = get + strlen(needle); // in case the needle didn't have space delimiters
WiredHome 0:729320f63c5c 423 while (*qs == ' ')
WiredHome 0:729320f63c5c 424 qs++;
WiredHome 0:729320f63c5c 425 // /QueryString\0HTTP/1.1\0\0
WiredHome 0:729320f63c5c 426 if (*string) // recycle old string when working a new one
WiredHome 8:262583f054f6 427 myfree(*string);
WiredHome 8:262583f054f6 428 container = (char *)mymalloc(strlen(qs));
WiredHome 0:729320f63c5c 429 if (container) {
WiredHome 0:729320f63c5c 430 strcpy(container, qs);
WiredHome 0:729320f63c5c 431 eqs = strchr(container, ' ');
WiredHome 0:729320f63c5c 432 if (eqs)
WiredHome 0:729320f63c5c 433 *eqs = '\0';
WiredHome 0:729320f63c5c 434 *string = container;
WiredHome 8:262583f054f6 435 #ifdef DEBUG
WiredHome 8:262583f054f6 436 pc->printf("Extract(%s) = %s\r\n", needle, container);
WiredHome 8:262583f054f6 437 #endif
WiredHome 0:729320f63c5c 438 ret = true;
WiredHome 0:729320f63c5c 439 } else {
WiredHome 0:729320f63c5c 440 *string = NULL; // something bad happened... no memory
WiredHome 0:729320f63c5c 441 }
WiredHome 0:729320f63c5c 442 }
WiredHome 0:729320f63c5c 443 return ret;
WiredHome 0:729320f63c5c 444 }
WiredHome 0:729320f63c5c 445
WiredHome 14:19c5f6151319 446
WiredHome 0:729320f63c5c 447 char * HTTPServer::rewriteWithDefaultFile(char * queryString)
WiredHome 0:729320f63c5c 448 {
WiredHome 8:262583f054f6 449 char * temp = (char *)mymalloc(strlen(queryString) + strlen(DEFAULT_FILENAME) + 1);
WiredHome 0:729320f63c5c 450
WiredHome 0:729320f63c5c 451 if (temp) {
WiredHome 0:729320f63c5c 452 *temp = '\0';
WiredHome 0:729320f63c5c 453 strcpy(temp, queryString);
WiredHome 0:729320f63c5c 454 strcat(temp, DEFAULT_FILENAME);
WiredHome 8:262583f054f6 455 myfree(queryString);
WiredHome 0:729320f63c5c 456 return temp;
WiredHome 0:729320f63c5c 457 } else {
WiredHome 0:729320f63c5c 458 return queryString;
WiredHome 0:729320f63c5c 459 }
WiredHome 0:729320f63c5c 460 }
WiredHome 0:729320f63c5c 461
WiredHome 14:19c5f6151319 462
WiredHome 0:729320f63c5c 463 char * HTTPServer::rewritePrependWebroot(char * queryString)
WiredHome 0:729320f63c5c 464 {
WiredHome 22:55974de690c1 465 char * temp = (char *)mymalloc(strlen(webroot) + strlen(queryString) + 2); // room for /
WiredHome 0:729320f63c5c 466
WiredHome 0:729320f63c5c 467 if (temp) {
WiredHome 0:729320f63c5c 468 *temp = '\0';
WiredHome 22:55974de690c1 469 char lastchar;
WiredHome 0:729320f63c5c 470 strcpy(temp, webroot);
WiredHome 22:55974de690c1 471 lastchar = temp[strlen(temp)-1];
WiredHome 22:55974de690c1 472 if (lastchar != '/' && *queryString != '/')
WiredHome 22:55974de690c1 473 strcat(temp, "/");
WiredHome 22:55974de690c1 474 else if (lastchar == '/' && *queryString == '/')
WiredHome 22:55974de690c1 475 queryString++;
WiredHome 0:729320f63c5c 476 strcat(temp, queryString);
WiredHome 8:262583f054f6 477 myfree(queryString);
WiredHome 0:729320f63c5c 478 return temp;
WiredHome 0:729320f63c5c 479 } else {
WiredHome 0:729320f63c5c 480 return queryString;
WiredHome 0:729320f63c5c 481 }
WiredHome 0:729320f63c5c 482 }
WiredHome 0:729320f63c5c 483
WiredHome 14:19c5f6151319 484
WiredHome 3:17928786bdb5 485 bool HTTPServer::CheckDynamicHandlers()
WiredHome 3:17928786bdb5 486 {
WiredHome 3:17928786bdb5 487 bool regHandled = false;
WiredHome 0:729320f63c5c 488
WiredHome 3:17928786bdb5 489 // If this queryString is in the list of registered handlers, call that
WiredHome 3:17928786bdb5 490 for (int i=0; i<handlercount; i++) {
WiredHome 3:17928786bdb5 491 if (strcmp(handlers[i].path, queryString) == 0) {
WiredHome 13:8975d7928678 492 (*handlers[i].callback)(this, SEND_PAGE, queryString, queryParams, queryParamCount);
WiredHome 3:17928786bdb5 493 regHandled = true;
WiredHome 3:17928786bdb5 494 break; // we only execute the first one
WiredHome 3:17928786bdb5 495 }
WiredHome 3:17928786bdb5 496 }
WiredHome 3:17928786bdb5 497 return regHandled;
WiredHome 3:17928786bdb5 498 }
WiredHome 3:17928786bdb5 499
WiredHome 14:19c5f6151319 500
WiredHome 3:17928786bdb5 501 void HTTPServer::SendResponse()
WiredHome 3:17928786bdb5 502 {
WiredHome 8:262583f054f6 503 #ifdef DEBUG
WiredHome 17:69ff00ce39f4 504 pc->printf("SendResponse(%s) at %u\r\n", queryType, (unsigned int)PerformanceTimer.read_us());
WiredHome 8:262583f054f6 505 #endif
WiredHome 3:17928786bdb5 506 if (strcmp(queryType, "GET") == 0 || strcmp(queryType, "POST") == 0) {
WiredHome 3:17928786bdb5 507 if (!(queryString[0] == '.' && queryString[1] == '.')) {
WiredHome 3:17928786bdb5 508 const char * fType;
WiredHome 3:17928786bdb5 509
WiredHome 3:17928786bdb5 510 if (!CheckDynamicHandlers()) {
WiredHome 3:17928786bdb5 511 // Otherwise, this queryString must be trying to reference a static file
WiredHome 3:17928786bdb5 512 if (queryString[strlen(queryString)-1] == '/') {
WiredHome 3:17928786bdb5 513 queryString = rewriteWithDefaultFile(queryString);
WiredHome 3:17928786bdb5 514 }
WiredHome 3:17928786bdb5 515 // see if we support this file type
WiredHome 3:17928786bdb5 516 fType = GetSupportedType(queryString);
WiredHome 3:17928786bdb5 517 if (fType) {
WiredHome 3:17928786bdb5 518 queryString = rewritePrependWebroot(queryString);
WiredHome 3:17928786bdb5 519 SendFile(queryString, fType);
WiredHome 3:17928786bdb5 520 } else {
WiredHome 3:17928786bdb5 521 //pc->printf("Unsupported file type %s\r\n", queryString);
WiredHome 3:17928786bdb5 522 header(404, "Not Found", "Pragma: err - Unsupported type\r\n");
WiredHome 3:17928786bdb5 523 }
WiredHome 3:17928786bdb5 524 }
WiredHome 3:17928786bdb5 525 } else {
WiredHome 3:17928786bdb5 526 //pc->printf("Unsupported path %s\r\n", queryString);
WiredHome 3:17928786bdb5 527 header(400, "Bad Request", "Pragma: err - Unsupported path\r\n");
WiredHome 3:17928786bdb5 528 }
WiredHome 3:17928786bdb5 529 } else {
WiredHome 3:17928786bdb5 530 //pc->printf("Unsupported query type %s\r\n", queryType);
WiredHome 3:17928786bdb5 531 header(400, "Bad Request", "Pragma: err - Unsupported query type\r\n");
WiredHome 3:17928786bdb5 532 }
WiredHome 17:69ff00ce39f4 533 #ifdef DEBUG
WiredHome 17:69ff00ce39f4 534 pc->printf(" SendResponse complete at %u\r\n", (unsigned int)PerformanceTimer.read_us());
WiredHome 17:69ff00ce39f4 535 #endif
WiredHome 17:69ff00ce39f4 536
WiredHome 3:17928786bdb5 537 if (queryType) {
WiredHome 8:262583f054f6 538 myfree(queryType);
WiredHome 3:17928786bdb5 539 queryType = NULL;
WiredHome 3:17928786bdb5 540 }
WiredHome 3:17928786bdb5 541 if (queryString) {
WiredHome 8:262583f054f6 542 myfree(queryString);
WiredHome 3:17928786bdb5 543 queryString = NULL;
WiredHome 3:17928786bdb5 544 }
WiredHome 3:17928786bdb5 545 if (postQueryString) {
WiredHome 8:262583f054f6 546 myfree(postQueryString);
WiredHome 3:17928786bdb5 547 postQueryString = NULL;
WiredHome 3:17928786bdb5 548 }
WiredHome 17:69ff00ce39f4 549 #ifdef DEBUG
WiredHome 17:69ff00ce39f4 550 pc->printf(" SendResponse free at %u\r\n", (unsigned int)PerformanceTimer.read_us());
WiredHome 17:69ff00ce39f4 551 #endif
WiredHome 3:17928786bdb5 552 }
WiredHome 3:17928786bdb5 553
WiredHome 14:19c5f6151319 554
WiredHome 3:17928786bdb5 555 bool HTTPServer::ParseHeader(char * buffer)
WiredHome 3:17928786bdb5 556 {
WiredHome 3:17928786bdb5 557 char * dblCR;
WiredHome 3:17928786bdb5 558 bool advanceState = false;
WiredHome 3:17928786bdb5 559 int bytecount;
WiredHome 7:99ad7a67f05e 560
WiredHome 3:17928786bdb5 561 // Buffer could have partial, but the double \r\n is the key
WiredHome 13:8975d7928678 562 // GET /QueryString?this=that&sky=blue HTTP/1.1\r\n
WiredHome 8:262583f054f6 563 // GET /QueryString HTTP/1.1\r\nHost: 192.168.1.140\r\nCache-Con
WiredHome 8:262583f054f6 564 // GET /QueryString HTTP/1.1\r\nHost: 192.168.1.140\r\nCache-Control: max-age=0\r\n\r\n
WiredHome 3:17928786bdb5 565 dblCR = strstr(buffer,"\r\n\r\n");
WiredHome 3:17928786bdb5 566 if (dblCR) { // Have to scan from the beginning in case split on \r
WiredHome 8:262583f054f6 567 #ifdef DEBUG
WiredHome 8:262583f054f6 568 pc->printf("==\r\n%s==\r\n", buffer);
WiredHome 3:17928786bdb5 569 #endif
WiredHome 3:17928786bdb5 570 char * soRec = buffer; // start of the next record of text
WiredHome 13:8975d7928678 571 char * eoRec = strchr(soRec, '\n'); // search for end of the current record
WiredHome 7:99ad7a67f05e 572
WiredHome 13:8975d7928678 573 headerParamCount = 0;
WiredHome 3:17928786bdb5 574 bytecount = strlen(buffer);
WiredHome 3:17928786bdb5 575 if (bytecount > maxheaderbytes)
WiredHome 3:17928786bdb5 576 maxheaderbytes = bytecount;
WiredHome 3:17928786bdb5 577 while (eoRec) {
WiredHome 3:17928786bdb5 578 *eoRec = '\0';
WiredHome 3:17928786bdb5 579 if (*(eoRec-1) == '\r')
WiredHome 3:17928786bdb5 580 *(eoRec-1) = '\0';
WiredHome 8:262583f054f6 581 // Inspect the supported query types (GET, POST) and ignore (HEAD, PUT, OPTION, DELETE, TRACE, CONNECT]
WiredHome 8:262583f054f6 582 // This is very clumsy
WiredHome 8:262583f054f6 583 if (strstr(soRec, "GET ") == soRec) {
WiredHome 8:262583f054f6 584 Extract(soRec, "GET", &queryString);
WiredHome 8:262583f054f6 585 if (queryString) {
WiredHome 8:262583f054f6 586 queryType = (char *)mymalloc(strlen("GET")+1);
WiredHome 8:262583f054f6 587 strcpy(queryType, "GET");
WiredHome 8:262583f054f6 588 }
WiredHome 8:262583f054f6 589 } else if (strstr(soRec, "POST ") == soRec) {
WiredHome 8:262583f054f6 590 Extract(soRec, "POST", &queryString);
WiredHome 8:262583f054f6 591 if (queryString) {
WiredHome 8:262583f054f6 592 queryType = (char *)mymalloc(strlen("POST")+1);
WiredHome 8:262583f054f6 593 strcpy(queryType, "POST");
WiredHome 8:262583f054f6 594 }
WiredHome 10:9c8d2c6a3469 595 }
WiredHome 13:8975d7928678 596
WiredHome 13:8975d7928678 597 // if there is a ": " delimiter, we have a header item to parse into name,value pair
WiredHome 13:8975d7928678 598 // "Connection: keep-alive" becomes "Connection" "keep-alive"
WiredHome 13:8975d7928678 599 char *delim = strstr(soRec, ": ");
WiredHome 13:8975d7928678 600 char *chkSpace = strchr(soRec, ' '); // a field-name has no space ahead of the ":"
WiredHome 13:8975d7928678 601 if (delim
WiredHome 13:8975d7928678 602 && (!chkSpace || (chkSpace && delim < chkSpace))
WiredHome 13:8975d7928678 603 && headerParamCount < maxheaderParams) {
WiredHome 14:19c5f6151319 604 *delim++ = '\0'; // replace ": " with null
WiredHome 13:8975d7928678 605 *delim++ = '\0';
WiredHome 13:8975d7928678 606 headerParams[headerParamCount].name = soRec;
WiredHome 13:8975d7928678 607 headerParams[headerParamCount].value = delim;
WiredHome 13:8975d7928678 608 #ifdef DEBUG
WiredHome 13:8975d7928678 609 pc->printf("%d: headerParams[%s] = {%s}\r\n", headerParamCount,
WiredHome 13:8975d7928678 610 headerParams[headerParamCount].name, headerParams[headerParamCount].value);
WiredHome 13:8975d7928678 611 #endif
WiredHome 13:8975d7928678 612 headerParamCount++;
WiredHome 13:8975d7928678 613 }
WiredHome 3:17928786bdb5 614 soRec = eoRec + 1;
WiredHome 3:17928786bdb5 615 eoRec = strchr(soRec, '\n');
WiredHome 3:17928786bdb5 616 }
WiredHome 3:17928786bdb5 617 if (queryString) {
WiredHome 3:17928786bdb5 618 // We have enough to try to reply
WiredHome 12:109bf1558300 619 #ifdef DEBUG
WiredHome 8:262583f054f6 620 pc->printf("create reply queryType{%s}, queryString{%s}\r\n", "GET", queryString);
WiredHome 12:109bf1558300 621 #endif
WiredHome 13:8975d7928678 622 // parse queryParams - if any
WiredHome 3:17928786bdb5 623 // /file.htm?name1=value1&name2=value2...
WiredHome 3:17928786bdb5 624 // /file.htm?name1&name2=value2...
WiredHome 13:8975d7928678 625 queryParamCount = 0;
WiredHome 3:17928786bdb5 626 char * paramDelim = strchr(queryString, '?');
WiredHome 3:17928786bdb5 627 if (paramDelim) {
WiredHome 3:17928786bdb5 628 *paramDelim++ = '\0';
WiredHome 3:17928786bdb5 629 UnescapeString(paramDelim); // everything after the '?'
WiredHome 13:8975d7928678 630 ParseParameters(paramDelim); // pointing at the NULL, but there are queryParams beyond
WiredHome 3:17928786bdb5 631 }
WiredHome 3:17928786bdb5 632 } else {
WiredHome 10:9c8d2c6a3469 633 pc->printf("ERROR: queryString not found in (%s)\r\n", soRec);
WiredHome 3:17928786bdb5 634 }
WiredHome 3:17928786bdb5 635 advanceState = true;
WiredHome 3:17928786bdb5 636 buffer[0] = 0;
WiredHome 3:17928786bdb5 637
WiredHome 3:17928786bdb5 638 // This part parses the extra data on a POST method.
WiredHome 3:17928786bdb5 639 // Since there has to be a dynamic handler registered for this
WiredHome 3:17928786bdb5 640 // it would make sense to move some of this responsibility to
WiredHome 3:17928786bdb5 641 // that handler. It could then choose if it wanted to allocate
WiredHome 3:17928786bdb5 642 // the requested 'Content-Length' amount of memory.
WiredHome 3:17928786bdb5 643 // Should we check the 'Content-Type' to see if it is
WiredHome 3:17928786bdb5 644 // 'application/x-www-form-urlencoded'?
WiredHome 13:8975d7928678 645 int postBytes = atoi(GetHeaderValue("Content-Length"));
WiredHome 3:17928786bdb5 646 bool acceptIt = false;
WiredHome 3:17928786bdb5 647 if (strcmp(queryType, "POST") == 0 && postBytes > 0 ) {
WiredHome 3:17928786bdb5 648 if (postBytes) {
WiredHome 22:55974de690c1 649 int ndxHandler = 0;
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 22:55974de690c1 653 for (ndxHandler=0; ndxHandler<handlercount; ndxHandler++) {
WiredHome 22:55974de690c1 654 if (strcmp(handlers[ndxHandler].path, queryString) == 0) {
WiredHome 22:55974de690c1 655 acceptIt = (*handlers[ndxHandler].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 22:55974de690c1 662 // @todo need to refactor - if the thing is bigger than the buffer,
WiredHome 22:55974de690c1 663 // then we can receive it a chunk at a time, and hand off
WiredHome 22:55974de690c1 664 // the chunks to the callback. May need callbacks that
WiredHome 22:55974de690c1 665 // are: START: extract the filename/object name,
WiredHome 22:55974de690c1 666 // NEXT: a chunk of data,
WiredHome 22:55974de690c1 667 // END: signals that all chunks were delivered.
WiredHome 22:55974de690c1 668 //
WiredHome 3:17928786bdb5 669 // If so, we'll make space for it
WiredHome 8:262583f054f6 670 postQueryString = (char *)mymalloc(postBytes + 1);
WiredHome 3:17928786bdb5 671 if (postQueryString) {
WiredHome 3:17928786bdb5 672 char * offset;
WiredHome 3:17928786bdb5 673 int len;
WiredHome 3:17928786bdb5 674
WiredHome 3:17928786bdb5 675 dblCR += 4; // If we slurped up any of the POST,
WiredHome 3:17928786bdb5 676 while (*dblCR && *dblCR <= ' ')
WiredHome 3:17928786bdb5 677 dblCR++;
WiredHome 3:17928786bdb5 678 strcpy(postQueryString, dblCR); // copy that in and then get the rest
WiredHome 3:17928786bdb5 679 while ((len = strlen(postQueryString)) < postBytes) {
WiredHome 3:17928786bdb5 680 int n;
WiredHome 3:17928786bdb5 681 offset = postQueryString + len;
WiredHome 3:17928786bdb5 682 n = client.receive(offset, postBytes - len);
WiredHome 3:17928786bdb5 683 if (n >=0) {
WiredHome 3:17928786bdb5 684 offset[n] = '\0';
WiredHome 22:55974de690c1 685 //printf("HTTPd: %d of %d: [%s]\r\n", len, postBytes, offset);
WiredHome 22:55974de690c1 686 } else if (n < 0) {
WiredHome 22:55974de690c1 687 //printf("HTTPd: n=%d\r\n", n);
WiredHome 22:55974de690c1 688 break; // no more data, before the plan
WiredHome 3:17928786bdb5 689 }
WiredHome 3:17928786bdb5 690 }
WiredHome 3:17928786bdb5 691 if (len >= 0) {
WiredHome 22:55974de690c1 692 // UnescapeString(postQueryString);
WiredHome 22:55974de690c1 693 // ParseParameters(postQueryString);
WiredHome 22:55974de690c1 694 // use the same handler as for the length check
WiredHome 22:55974de690c1 695 acceptIt = (*handlers[ndxHandler].callback)(this, DATA_TRANSFER, postQueryString, NULL, 0);
WiredHome 22:55974de690c1 696 } else {
WiredHome 22:55974de690c1 697 pc->printf("HTTPd: len error.\r\n");
WiredHome 3:17928786bdb5 698 }
WiredHome 22:55974de690c1 699 } else {
WiredHome 22:55974de690c1 700 pc->printf("HTTPd: attempt to allocate %d failed.\r\n", postBytes+1);
WiredHome 3:17928786bdb5 701 }
WiredHome 3:17928786bdb5 702 } else {
WiredHome 3:17928786bdb5 703 // Simply copy it to the bitbucket
WiredHome 3:17928786bdb5 704 int bytesToDump = postBytes;
WiredHome 8:262583f054f6 705 char * bitbucket = (char *)mymalloc(201);
WiredHome 3:17928786bdb5 706 dblCR += 4;
WiredHome 3:17928786bdb5 707 while (*dblCR && *dblCR <= ' ')
WiredHome 3:17928786bdb5 708 dblCR++;
WiredHome 3:17928786bdb5 709 bytesToDump -= strlen(dblCR);
WiredHome 3:17928786bdb5 710 while (bytesToDump > 0) {
WiredHome 3:17928786bdb5 711 int n = (bytesToDump > 200) ? 200 : bytesToDump;
WiredHome 3:17928786bdb5 712 n = client.receive(bitbucket, n);
WiredHome 3:17928786bdb5 713 bytesToDump -= n;
WiredHome 3:17928786bdb5 714 }
WiredHome 8:262583f054f6 715 myfree(bitbucket);
WiredHome 3:17928786bdb5 716 }
WiredHome 3:17928786bdb5 717 }
WiredHome 3:17928786bdb5 718 }
WiredHome 3:17928786bdb5 719 }
WiredHome 3:17928786bdb5 720 return advanceState;
WiredHome 3:17928786bdb5 721 }
WiredHome 3:17928786bdb5 722
WiredHome 14:19c5f6151319 723
WiredHome 13:8975d7928678 724 const char * HTTPServer::GetHeaderValue(const char * hdr)
WiredHome 13:8975d7928678 725 {
WiredHome 13:8975d7928678 726 int i;
WiredHome 13:8975d7928678 727
WiredHome 13:8975d7928678 728 for (i=0; i<headerParamCount; i++)
WiredHome 13:8975d7928678 729 {
WiredHome 13:8975d7928678 730 if (strcmp(hdr, headerParams[i].name) == 0)
WiredHome 13:8975d7928678 731 return headerParams[i].value;
WiredHome 13:8975d7928678 732 }
WiredHome 13:8975d7928678 733 return NULL;
WiredHome 13:8975d7928678 734 }
WiredHome 13:8975d7928678 735
WiredHome 12:109bf1558300 736
WiredHome 7:99ad7a67f05e 737 void HTTPServer::GetPerformanceData(SW_PerformanceData * p)
WiredHome 7:99ad7a67f05e 738 {
WiredHome 3:17928786bdb5 739 memcpy(p, &perfData, sizeof(perfData));
WiredHome 3:17928786bdb5 740 }
WiredHome 3:17928786bdb5 741
WiredHome 17:69ff00ce39f4 742 unsigned int HTTPServer::GetPerformanceClock()
WiredHome 17:69ff00ce39f4 743 {
WiredHome 17:69ff00ce39f4 744 return (unsigned int)PerformanceTimer.read_us();
WiredHome 17:69ff00ce39f4 745 }
WiredHome 14:19c5f6151319 746
WiredHome 16:6ebacf2946d8 747 unsigned int HTTPServer::RecordPerformanceData(SW_PerformanceParam * param, unsigned int refTime)
WiredHome 7:99ad7a67f05e 748 {
WiredHome 16:6ebacf2946d8 749 unsigned int t_now = (unsigned int)PerformanceTimer.read_us();
WiredHome 3:17928786bdb5 750 param->TotalTime_us += (t_now - refTime);
WiredHome 3:17928786bdb5 751 param->Samples++;
WiredHome 3:17928786bdb5 752 if ((t_now - refTime) > param->MaxTime_us)
WiredHome 3:17928786bdb5 753 param->MaxTime_us = (t_now - refTime);
WiredHome 3:17928786bdb5 754 return t_now;
WiredHome 3:17928786bdb5 755 }
WiredHome 3:17928786bdb5 756
WiredHome 14:19c5f6151319 757
WiredHome 7:99ad7a67f05e 758 void HTTPServer::ResetPerformanceData()
WiredHome 7:99ad7a67f05e 759 {
WiredHome 3:17928786bdb5 760 memset(&perfData, 0, sizeof(perfData));
WiredHome 3:17928786bdb5 761 }
WiredHome 3:17928786bdb5 762
WiredHome 4:f34642902056 763
WiredHome 21:660143f20b04 764 #ifdef INCLUDE_GETREMOTE
WiredHome 21:660143f20b04 765 bool HTTPServer::GetRemoteAddr(char * str, int strSize)
WiredHome 21:660143f20b04 766 {
WiredHome 21:660143f20b04 767 bool res = false;
WiredHome 21:660143f20b04 768 char *p;
WiredHome 21:660143f20b04 769
WiredHome 21:660143f20b04 770 if (strSize < 16) { // Can only guard it here w/o modifying Wifly class
WiredHome 21:660143f20b04 771 *str = '\0';
WiredHome 21:660143f20b04 772 return res;
WiredHome 21:660143f20b04 773 }
WiredHome 21:660143f20b04 774 res = wifly->sendCommand("show z\r", NULL, str, strSize);
WiredHome 21:660143f20b04 775 if (res) {
WiredHome 21:660143f20b04 776 p = strchr(str, '\n'); // truncate after the octets.
WiredHome 21:660143f20b04 777 if (p) *p = '\0';
WiredHome 21:660143f20b04 778 p = strchr(str, ' '); // or a space
WiredHome 21:660143f20b04 779 if (p) *p = '\0';
WiredHome 21:660143f20b04 780 p = strchr(str, '<'); // or a <
WiredHome 21:660143f20b04 781 if (p) *p = '\0';
WiredHome 21:660143f20b04 782 res = true;
WiredHome 21:660143f20b04 783 }
WiredHome 21:660143f20b04 784 wifly->exit();
WiredHome 21:660143f20b04 785 return res;
WiredHome 21:660143f20b04 786 }
WiredHome 21:660143f20b04 787 #endif