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@27:90a1f5a5392f, 2013-10-10 (annotated)

Committer:
WiredHome
Date:
Thu Oct 10 20:38:12 2013 +0000
Revision:
27:90a1f5a5392f
Parent:
26:38102ef2b132
Child:
28:f93ef41b78e1
Diagnostic improvements.

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 27:90a1f5a5392f 17 #define DEBUG "HTTP"
WiredHome 27:90a1f5a5392f 18
WiredHome 27:90a1f5a5392f 19 #if (defined(DEBUG) && !defined(TARGET_LPC11U24))
WiredHome 27:90a1f5a5392f 20 #define DBG(x, ...) std::printf("[DBG %s%4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 27:90a1f5a5392f 21 #define WARN(x, ...) std::printf("[WRN %s%4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 27:90a1f5a5392f 22 #define ERR(x, ...) std::printf("[ERR %s%4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 27:90a1f5a5392f 23 #define INFO(x, ...) std::printf("[INF %s%4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 27:90a1f5a5392f 24 #else
WiredHome 27:90a1f5a5392f 25 #define DBG(x, ...)
WiredHome 27:90a1f5a5392f 26 #define WARN(x, ...)
WiredHome 27:90a1f5a5392f 27 #define ERR(x, ...)
WiredHome 27:90a1f5a5392f 28 #define INFO(x, ...)
WiredHome 27:90a1f5a5392f 29 #endif
WiredHome 27:90a1f5a5392f 30
WiredHome 0:729320f63c5c 31
WiredHome 0:729320f63c5c 32 const char * DEFAULT_FILENAME = "index.htm";
WiredHome 0:729320f63c5c 33
WiredHome 8:262583f054f6 34 // Header information to always send (must be \r\n terminated)
WiredHome 17:69ff00ce39f4 35 const char hdr_httpver[] = "HTTP/1.0"; // Wifly may not be able to support HTTP/1.1 protocol
WiredHome 8:262583f054f6 36 const char hdr_age[] = "Max-age: 0\r\n"; // expires right away
WiredHome 8:262583f054f6 37 const char hdr_server[] = "Server: Smart_Server v0.1\r\n"; // Server
WiredHome 17:69ff00ce39f4 38 const char hdr_close[] = "Connection: close\r\n"; // tell the client the server closes the connection immediately
WiredHome 8:262583f054f6 39 const char nl[] = "\r\n"; // final \r\n for the termination of the header
WiredHome 0:729320f63c5c 40
WiredHome 14:19c5f6151319 41
WiredHome 0:729320f63c5c 42 static const struct {
WiredHome 0:729320f63c5c 43 char *ext;
WiredHome 0:729320f63c5c 44 char *filetype;
WiredHome 0:729320f63c5c 45 } extensions [] = {
WiredHome 3:17928786bdb5 46 {".gif", "Content-Type: image/gif\r\n" },
WiredHome 3:17928786bdb5 47 {".jpg", "Content-Type: image/jpeg\r\n" },
WiredHome 3:17928786bdb5 48 {".jpeg","Content-Type: image/jpeg\r\n" },
WiredHome 3:17928786bdb5 49 {".ico", "Content-Type: image/x-icon\r\n" },
WiredHome 3:17928786bdb5 50 {".png", "Content-Type: image/png\r\n" },
WiredHome 3:17928786bdb5 51 {".zip", "Content-Type: image/zip\r\n" },
WiredHome 3:17928786bdb5 52 {".gz", "Content-Type: image/gz\r\n" },
WiredHome 3:17928786bdb5 53 {".tar", "Content-Type: image/tar\r\n" },
WiredHome 3:17928786bdb5 54 {".txt", "Content-Type: plain/text\r\n" },
WiredHome 3:17928786bdb5 55 {".pdf", "Content-Type: application/pdf\r\n" },
WiredHome 3:17928786bdb5 56 {".htm", "Content-Type: text/html\r\n" },
WiredHome 3:17928786bdb5 57 {".html","Content-Type: text/html\r\n" },
WiredHome 0:729320f63c5c 58 {0,0}
WiredHome 0:729320f63c5c 59 };
WiredHome 0:729320f63c5c 60
WiredHome 8:262583f054f6 61 #ifdef DEBUG
WiredHome 12:109bf1558300 62 // This uses standard library dynamic memory management, but for an
WiredHome 9:2ea342765c9d 63 // embedded system there are alternates that may make better sense -
WiredHome 9:2ea342765c9d 64 // search the web for embedded system malloc alternates.
WiredHome 8:262583f054f6 65 static void * MyMalloc(int x, int y)
WiredHome 8:262583f054f6 66 {
WiredHome 25:f7d6df7a700a 67 std::printf("[INF HTTP%4d] malloc(%d)\r\n", y, x);
WiredHome 8:262583f054f6 68 return malloc(x);
WiredHome 8:262583f054f6 69 }
WiredHome 11:17d84c41a7b3 70 static char toP(void * x)
WiredHome 11:17d84c41a7b3 71 {
WiredHome 11:17d84c41a7b3 72 char * c = (char *) x;
WiredHome 11:17d84c41a7b3 73 if (*c >= ' ' && *c < 0x7F)
WiredHome 11:17d84c41a7b3 74 return *c;
WiredHome 11:17d84c41a7b3 75 else
WiredHome 11:17d84c41a7b3 76 return '.';
WiredHome 11:17d84c41a7b3 77 }
WiredHome 8:262583f054f6 78 #define mymalloc(x) MyMalloc(x, __LINE__)
WiredHome 8:262583f054f6 79 #define myfree(x) \
WiredHome 25:f7d6df7a700a 80 pc->printf("[INF HTTP%4d] free(%02x %02x %02x %02x %02x ... %c%c%c%c%c)\r\n", __LINE__, \
WiredHome 11:17d84c41a7b3 81 *x, *(x+1), *(x+2), *(x+3), *(x+4), \
WiredHome 11:17d84c41a7b3 82 toP(x), toP(x+1), toP(x+2), toP(x+3), toP(x+4) ); \
WiredHome 8:262583f054f6 83 free(x);
WiredHome 8:262583f054f6 84 #else
WiredHome 8:262583f054f6 85 #define mymalloc(x) malloc(x)
WiredHome 8:262583f054f6 86 #define myfree(x) free(x)
WiredHome 8:262583f054f6 87 #endif
WiredHome 8:262583f054f6 88
WiredHome 3:17928786bdb5 89 HTTPServer::HTTPServer(
WiredHome 7:99ad7a67f05e 90 Wifly * _wf,
WiredHome 7:99ad7a67f05e 91 int port,
WiredHome 7:99ad7a67f05e 92 const char * _webroot,
WiredHome 13:8975d7928678 93 int maxheaderParams,
WiredHome 13:8975d7928678 94 int _maxqueryParams,
WiredHome 7:99ad7a67f05e 95 int _maxdynamicpages,
WiredHome 7:99ad7a67f05e 96 PC * _pc,
WiredHome 7:99ad7a67f05e 97 int _allocforheader,
WiredHome 3:17928786bdb5 98 int _allocforfile)
WiredHome 0:729320f63c5c 99 {
WiredHome 0:729320f63c5c 100 wifly = _wf;
WiredHome 0:729320f63c5c 101 webroot = (char *)malloc(strlen(_webroot)+1);
WiredHome 0:729320f63c5c 102 strcpy(webroot, _webroot);
WiredHome 27:90a1f5a5392f 103 if (strlen(webroot)>1 && webroot[strlen(webroot)-1] == '/') // remove trailing '/'
WiredHome 27:90a1f5a5392f 104 webroot[strlen(webroot)-1] = '\0';
WiredHome 13:8975d7928678 105 maxqueryParams = _maxqueryParams;
WiredHome 0:729320f63c5c 106 maxdynamicpages = _maxdynamicpages;
WiredHome 13:8975d7928678 107 headerParams = (namevalue *)malloc(maxheaderParams * sizeof(namevalue));
WiredHome 13:8975d7928678 108 queryParams = (namevalue *)malloc(maxqueryParams * sizeof(namevalue));
WiredHome 0:729320f63c5c 109 handlers = (handler *)malloc(maxdynamicpages * sizeof(handler));
WiredHome 3:17928786bdb5 110 headerbuffersize = _allocforheader;
WiredHome 3:17928786bdb5 111 headerbuffer = (char *)malloc(headerbuffersize);
WiredHome 0:729320f63c5c 112 pc = _pc;
WiredHome 3:17928786bdb5 113 queryType = NULL;
WiredHome 3:17928786bdb5 114 queryString = NULL;
WiredHome 3:17928786bdb5 115 postQueryString = NULL;
WiredHome 13:8975d7928678 116 queryParamCount = 0;
WiredHome 0:729320f63c5c 117 handlercount = 0;
WiredHome 3:17928786bdb5 118 maxheaderbytes = 0;
WiredHome 0:729320f63c5c 119 server = new TCPSocketServer();
WiredHome 0:729320f63c5c 120 server->bind(port);
WiredHome 0:729320f63c5c 121 server->listen();
WiredHome 16:6ebacf2946d8 122 server->set_blocking(false, 10);
WiredHome 3:17928786bdb5 123 ResetPerformanceData();
WiredHome 10:9c8d2c6a3469 124 PerformanceTimer.start();
WiredHome 0:729320f63c5c 125 }
WiredHome 0:729320f63c5c 126
WiredHome 0:729320f63c5c 127 HTTPServer::~HTTPServer()
WiredHome 0:729320f63c5c 128 {
WiredHome 8:262583f054f6 129 int i;
WiredHome 8:262583f054f6 130
WiredHome 8:262583f054f6 131 for (i=0; i<handlercount; i++)
WiredHome 8:262583f054f6 132 myfree(handlers[i].path);
WiredHome 8:262583f054f6 133 myfree(headerbuffer);
WiredHome 8:262583f054f6 134 myfree(handlers);
WiredHome 13:8975d7928678 135 myfree(queryParams);
WiredHome 8:262583f054f6 136 myfree(webroot);
WiredHome 0:729320f63c5c 137 webroot = NULL;
WiredHome 0:729320f63c5c 138 }
WiredHome 0:729320f63c5c 139
WiredHome 3:17928786bdb5 140 int HTTPServer::GetMaxHeaderSize()
WiredHome 3:17928786bdb5 141 {
WiredHome 3:17928786bdb5 142 return maxheaderbytes;
WiredHome 3:17928786bdb5 143 }
WiredHome 3:17928786bdb5 144
WiredHome 0:729320f63c5c 145 bool HTTPServer::RegisterHandler(const char * path, Handler callback)
WiredHome 0:729320f63c5c 146 {
WiredHome 0:729320f63c5c 147 if (handlercount < maxdynamicpages && path && callback) {
WiredHome 8:262583f054f6 148 handlers[handlercount].path = (char *)mymalloc(strlen(path)+1);
WiredHome 0:729320f63c5c 149 memcpy(handlers[handlercount].path, path, strlen(path)+1);
WiredHome 0:729320f63c5c 150 handlers[handlercount].callback = callback;
WiredHome 0:729320f63c5c 151 handlercount++;
WiredHome 0:729320f63c5c 152 return true;
WiredHome 0:729320f63c5c 153 } else {
WiredHome 0:729320f63c5c 154 return false;
WiredHome 0:729320f63c5c 155 }
WiredHome 0:729320f63c5c 156 }
WiredHome 0:729320f63c5c 157
WiredHome 2:a29c32190037 158 // Poll()
WiredHome 0:729320f63c5c 159 //
WiredHome 0:729320f63c5c 160 // *OPEN*GET /x=1 HTTP/1.1
WiredHome 0:729320f63c5c 161 // Host: 192.168.1.140
WiredHome 0:729320f63c5c 162 // Connection: keep-alive
WiredHome 0:729320f63c5c 163 // Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
WiredHome 0:729320f63c5c 164 // 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 165 // Accept-Encoding: gzip,deflate,sdch
WiredHome 0:729320f63c5c 166 // Accept-Language: en-US,en;q=0.8
WiredHome 0:729320f63c5c 167 //
WiredHome 2:a29c32190037 168 void HTTPServer::Poll()
WiredHome 0:729320f63c5c 169 {
WiredHome 3:17928786bdb5 170 typedef enum {
WiredHome 3:17928786bdb5 171 Idle, // waiting for a connection
WiredHome 3:17928786bdb5 172 Receiving, // receiving data
WiredHome 3:17928786bdb5 173 Sending, // send the response
WiredHome 7:99ad7a67f05e 174 WaitingToClose, // small timeout to close
WiredHome 7:99ad7a67f05e 175 Reset
WiredHome 3:17928786bdb5 176 } state;
WiredHome 0:729320f63c5c 177 static state op = Idle;
WiredHome 3:17928786bdb5 178 static char * bPtr = headerbuffer;
WiredHome 0:729320f63c5c 179 int n;
WiredHome 16:6ebacf2946d8 180 static unsigned int t_ref; // reference point for the PerformanceTimer
WiredHome 0:729320f63c5c 181
WiredHome 20:786aa5749007 182 #if defined(DEBUG)
WiredHome 8:262583f054f6 183 static state lastOp = Reset;
WiredHome 7:99ad7a67f05e 184 if (lastOp != op) {
WiredHome 9:2ea342765c9d 185 const char *states[] = {"Idle", "Receiving", "Sending", "WaitingToClose", "Reset"};
WiredHome 27:90a1f5a5392f 186 INFO("Poll: %s", states[op]);
WiredHome 7:99ad7a67f05e 187 lastOp = op;
WiredHome 7:99ad7a67f05e 188 }
WiredHome 8:262583f054f6 189 #endif
WiredHome 0:729320f63c5c 190 switch(op) {
WiredHome 3:17928786bdb5 191 default: // not expected to arrive here
WiredHome 3:17928786bdb5 192 op = Idle;
WiredHome 3:17928786bdb5 193 break;
WiredHome 8:262583f054f6 194
WiredHome 3:17928786bdb5 195 case Idle:
WiredHome 10:9c8d2c6a3469 196 PerformanceTimer.reset();
WiredHome 17:69ff00ce39f4 197 t_ref = (unsigned int)PerformanceTimer.read_us();
WiredHome 3:17928786bdb5 198 bPtr = headerbuffer;
WiredHome 11:17d84c41a7b3 199 if (0 == server->accept(client)) {
WiredHome 3:17928786bdb5 200 op = Receiving;
WiredHome 17:69ff00ce39f4 201 t_ref = RecordPerformanceData(&perfData.ConnectionAccepted, t_ref);
WiredHome 27:90a1f5a5392f 202 INFO("Accepted at %u", (unsigned int)PerformanceTimer.read_us());
WiredHome 3:17928786bdb5 203 }
WiredHome 0:729320f63c5c 204 break;
WiredHome 8:262583f054f6 205
WiredHome 3:17928786bdb5 206 case Receiving:
WiredHome 3:17928786bdb5 207 n = client.receive(bPtr, headerbuffersize - (bPtr - headerbuffer));
WiredHome 3:17928786bdb5 208 if (n < 0) {
WiredHome 27:90a1f5a5392f 209 INFO("*** client.receive() => %d", n);
WiredHome 3:17928786bdb5 210 } else if (n) {
WiredHome 3:17928786bdb5 211 bPtr[n] = '\0';
WiredHome 3:17928786bdb5 212 if (ParseHeader(headerbuffer)) {
WiredHome 3:17928786bdb5 213 op = Sending;
WiredHome 17:69ff00ce39f4 214 t_ref = RecordPerformanceData(&perfData.HeaderParsed, t_ref);
WiredHome 27:90a1f5a5392f 215 INFO("Header Parsed at %u", (unsigned int)PerformanceTimer.read_us());
WiredHome 3:17928786bdb5 216 }
WiredHome 3:17928786bdb5 217 bPtr += n;
WiredHome 0:729320f63c5c 218 }
WiredHome 0:729320f63c5c 219 break;
WiredHome 8:262583f054f6 220
WiredHome 0:729320f63c5c 221 case Sending:
WiredHome 3:17928786bdb5 222 SendResponse();
WiredHome 0:729320f63c5c 223 op = WaitingToClose;
WiredHome 17:69ff00ce39f4 224 t_ref = RecordPerformanceData(&perfData.ResponseSent, t_ref);
WiredHome 27:90a1f5a5392f 225 INFO("Response Sent at %u", (unsigned int)PerformanceTimer.read_us());
WiredHome 0:729320f63c5c 226 break;
WiredHome 9:2ea342765c9d 227
WiredHome 0:729320f63c5c 228 case WaitingToClose:
WiredHome 27:90a1f5a5392f 229 INFO("Connection closed entry %u", (unsigned int)PerformanceTimer.read_us());
WiredHome 3:17928786bdb5 230 close_connection();
WiredHome 0:729320f63c5c 231 op = Idle;
WiredHome 17:69ff00ce39f4 232 RecordPerformanceData(&perfData.ConnectionClosed, t_ref);
WiredHome 27:90a1f5a5392f 233 INFO("Connection closed exit %u", (unsigned int)PerformanceTimer.read_us());
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 3:17928786bdb5 272 if (fbuffer) {
WiredHome 3:17928786bdb5 273 header(200, "OK", filetype);
WiredHome 0:729320f63c5c 274 bytes = fread(fbuffer,sizeof(char),FILESEND_BUF_SIZE,fp);
WiredHome 3:17928786bdb5 275 while (bytes > 0) {
WiredHome 3:17928786bdb5 276 send(fbuffer, bytes);
WiredHome 3:17928786bdb5 277 bytes = fread(fbuffer,sizeof(char),FILESEND_BUF_SIZE,fp);
WiredHome 3:17928786bdb5 278 }
WiredHome 8:262583f054f6 279 myfree(fbuffer);
WiredHome 3:17928786bdb5 280 } else {
WiredHome 3:17928786bdb5 281 header(500, "Server Error", "Pragma: err - insufficient memory\r\n");
WiredHome 0:729320f63c5c 282 }
WiredHome 0:729320f63c5c 283 fclose(fp);
WiredHome 0:729320f63c5c 284 return true;
WiredHome 0:729320f63c5c 285 } else {
WiredHome 3:17928786bdb5 286 header(404, "Not Found", "Pragma: err - Can't open file\r\n");
WiredHome 0:729320f63c5c 287 return false;
WiredHome 0:729320f63c5c 288 }
WiredHome 0:729320f63c5c 289 }
WiredHome 0:729320f63c5c 290
WiredHome 0:729320f63c5c 291 int HTTPServer::HexCharToInt(char c)
WiredHome 0:729320f63c5c 292 {
WiredHome 0:729320f63c5c 293 if (c >= 'a' && c <= 'f')
WiredHome 0:729320f63c5c 294 return (c - 'a' + 10);
WiredHome 0:729320f63c5c 295 else if (c >= 'A' && c <= 'F')
WiredHome 0:729320f63c5c 296 return (c - 'A' + 10);
WiredHome 0:729320f63c5c 297 else if (c >= '0' && c <= '9')
WiredHome 0:729320f63c5c 298 return c - '0';
WiredHome 0:729320f63c5c 299 else
WiredHome 0:729320f63c5c 300 return 0;
WiredHome 0:729320f63c5c 301 }
WiredHome 0:729320f63c5c 302
WiredHome 0:729320f63c5c 303 char HTTPServer::HexPairToChar(char * p)
WiredHome 0:729320f63c5c 304 {
WiredHome 0:729320f63c5c 305 return 16 * HexCharToInt(*p) + HexCharToInt(*(p+1));
WiredHome 0:729320f63c5c 306 }
WiredHome 0:729320f63c5c 307
WiredHome 0:729320f63c5c 308 void HTTPServer::UnescapeString(char * encoded)
WiredHome 0:729320f63c5c 309 {
WiredHome 0:729320f63c5c 310 char *p;
WiredHome 0:729320f63c5c 311
WiredHome 0:729320f63c5c 312 // first convert '+' to ' '
WiredHome 0:729320f63c5c 313 p = strchr(encoded, '+');
WiredHome 0:729320f63c5c 314 while (p) {
WiredHome 0:729320f63c5c 315 *p = ' ';
WiredHome 0:729320f63c5c 316 p = strchr(encoded, '+');
WiredHome 0:729320f63c5c 317 }
WiredHome 0:729320f63c5c 318 // then convert hex '%xx' to char 'x'
WiredHome 0:729320f63c5c 319 p = strchr(encoded, '%');
WiredHome 0:729320f63c5c 320 while (p) {
WiredHome 0:729320f63c5c 321 if (strchr("0123456789ABCDEFabcdef", *(p+1))
WiredHome 0:729320f63c5c 322 && strchr("0123456789ABCDEFabcdef", *(p+2)) ) {
WiredHome 0:729320f63c5c 323 *p = HexPairToChar(p+1);
WiredHome 0:729320f63c5c 324 p++; // advance past the %
WiredHome 0:729320f63c5c 325 char * a = p;
WiredHome 0:729320f63c5c 326 char * b = p + 2;
WiredHome 0:729320f63c5c 327 do {
WiredHome 0:729320f63c5c 328 *a++ = *b++;
WiredHome 0:729320f63c5c 329 } while (*b);
WiredHome 0:729320f63c5c 330 *a = '\0';
WiredHome 0:729320f63c5c 331 }
WiredHome 0:729320f63c5c 332 p = strchr(p, '%');
WiredHome 0:729320f63c5c 333 }
WiredHome 0:729320f63c5c 334 }
WiredHome 0:729320f63c5c 335
WiredHome 0:729320f63c5c 336 const char * HTTPServer::GetParameter(const char * name)
WiredHome 0:729320f63c5c 337 {
WiredHome 13:8975d7928678 338 for (int i=0; i<queryParamCount; i++) {
WiredHome 13:8975d7928678 339 if (strcmp(queryParams[i].name, name) == 0) {
WiredHome 13:8975d7928678 340 return queryParams[i].value;
WiredHome 0:729320f63c5c 341 }
WiredHome 0:729320f63c5c 342 }
WiredHome 0:729320f63c5c 343 return NULL;
WiredHome 0:729320f63c5c 344 }
WiredHome 0:729320f63c5c 345
WiredHome 0:729320f63c5c 346 // this=that&who=what&more=stuff...
WiredHome 0:729320f63c5c 347 // ^ ^ ^
WiredHome 3:17928786bdb5 348 void HTTPServer::ParseParameters(char * pName)
WiredHome 0:729320f63c5c 349 {
WiredHome 0:729320f63c5c 350 char * pVal;
WiredHome 0:729320f63c5c 351 char * pNextName;
WiredHome 0:729320f63c5c 352
WiredHome 13:8975d7928678 353 // Parse queryParams
WiredHome 0:729320f63c5c 354 pVal = strchr(pName, '#'); // If there is a '#fragment_id', we can ignore it
WiredHome 0:729320f63c5c 355 if (pVal)
WiredHome 3:17928786bdb5 356 *pVal = '\0';
WiredHome 0:729320f63c5c 357 do {
WiredHome 13:8975d7928678 358 queryParams[queryParamCount].name = pName;
WiredHome 0:729320f63c5c 359 pVal = strchr(pName, '=');
WiredHome 0:729320f63c5c 360 pNextName = strchr(pName,'&');
WiredHome 0:729320f63c5c 361 if (pVal) {
WiredHome 0:729320f63c5c 362 if (pNextName == NULL || (pNextName && pNextName > pVal)) {
WiredHome 0:729320f63c5c 363 *pVal++ = '\0';
WiredHome 13:8975d7928678 364 queryParams[queryParamCount].value = pVal;
WiredHome 0:729320f63c5c 365 pName = pVal;
WiredHome 0:729320f63c5c 366 }
WiredHome 0:729320f63c5c 367 }
WiredHome 13:8975d7928678 368 queryParamCount++;
WiredHome 0:729320f63c5c 369 if (pNextName) {
WiredHome 0:729320f63c5c 370 pName = pNextName;
WiredHome 0:729320f63c5c 371 *pName++ = '\0';
WiredHome 0:729320f63c5c 372 } else {
WiredHome 0:729320f63c5c 373 pName = NULL;
WiredHome 0:729320f63c5c 374 }
WiredHome 13:8975d7928678 375 } while (pName && queryParamCount < maxqueryParams);
WiredHome 0:729320f63c5c 376 }
WiredHome 0:729320f63c5c 377
WiredHome 0:729320f63c5c 378
WiredHome 0:729320f63c5c 379 void HTTPServer::header(int code, const char * code_text, const char * content_type, const char * optional_text)
WiredHome 0:729320f63c5c 380 {
WiredHome 0:729320f63c5c 381 char http[100];
WiredHome 0:729320f63c5c 382
WiredHome 0:729320f63c5c 383 sprintf(http, "%s %i %s\r\n", hdr_httpver, code, code_text);
WiredHome 0:729320f63c5c 384 send(http);
WiredHome 0:729320f63c5c 385 send(hdr_age);
WiredHome 0:729320f63c5c 386 send(hdr_server);
WiredHome 0:729320f63c5c 387 if (content_type) {
WiredHome 0:729320f63c5c 388 send(content_type);
WiredHome 0:729320f63c5c 389 }
WiredHome 0:729320f63c5c 390 if (optional_text) {
WiredHome 0:729320f63c5c 391 send(optional_text);
WiredHome 0:729320f63c5c 392 }
WiredHome 0:729320f63c5c 393 send(hdr_close);
WiredHome 0:729320f63c5c 394 send(nl);
WiredHome 0:729320f63c5c 395 }
WiredHome 0:729320f63c5c 396
WiredHome 14:19c5f6151319 397
WiredHome 7:99ad7a67f05e 398 bool HTTPServer::close_connection()
WiredHome 0:729320f63c5c 399 {
WiredHome 7:99ad7a67f05e 400 bool res;
WiredHome 7:99ad7a67f05e 401
WiredHome 14:19c5f6151319 402 res = server->close();
WiredHome 27:90a1f5a5392f 403 INFO("close connection returned %d", res);
WiredHome 7:99ad7a67f05e 404 return res;
WiredHome 0:729320f63c5c 405 }
WiredHome 0:729320f63c5c 406
WiredHome 14:19c5f6151319 407
WiredHome 0:729320f63c5c 408 bool HTTPServer::Extract(char * haystack, char * needle, char ** string)
WiredHome 0:729320f63c5c 409 {
WiredHome 0:729320f63c5c 410 bool ret = false; // assume failure until proven otherwise
WiredHome 0:729320f63c5c 411 char * qs = NULL;
WiredHome 0:729320f63c5c 412 char * eqs = NULL;
WiredHome 0:729320f63c5c 413 char * container = NULL;
WiredHome 0:729320f63c5c 414 char * get = strstr(haystack, needle); // what if not at the front?
WiredHome 0:729320f63c5c 415 if (get) {
WiredHome 0:729320f63c5c 416 // Seems to be a valid "...GET /QueryString HTTP/1.1"
WiredHome 8:262583f054f6 417 // or "...<needle>param..."
WiredHome 0:729320f63c5c 418 qs = get + strlen(needle); // in case the needle didn't have space delimiters
WiredHome 0:729320f63c5c 419 while (*qs == ' ')
WiredHome 0:729320f63c5c 420 qs++;
WiredHome 0:729320f63c5c 421 // /QueryString\0HTTP/1.1\0\0
WiredHome 0:729320f63c5c 422 if (*string) // recycle old string when working a new one
WiredHome 8:262583f054f6 423 myfree(*string);
WiredHome 8:262583f054f6 424 container = (char *)mymalloc(strlen(qs));
WiredHome 0:729320f63c5c 425 if (container) {
WiredHome 0:729320f63c5c 426 strcpy(container, qs);
WiredHome 0:729320f63c5c 427 eqs = strchr(container, ' ');
WiredHome 0:729320f63c5c 428 if (eqs)
WiredHome 0:729320f63c5c 429 *eqs = '\0';
WiredHome 0:729320f63c5c 430 *string = container;
WiredHome 27:90a1f5a5392f 431 INFO("Extract(%s) = %s", needle, container);
WiredHome 0:729320f63c5c 432 ret = true;
WiredHome 0:729320f63c5c 433 } else {
WiredHome 0:729320f63c5c 434 *string = NULL; // something bad happened... no memory
WiredHome 0:729320f63c5c 435 }
WiredHome 0:729320f63c5c 436 }
WiredHome 0:729320f63c5c 437 return ret;
WiredHome 0:729320f63c5c 438 }
WiredHome 0:729320f63c5c 439
WiredHome 14:19c5f6151319 440
WiredHome 0:729320f63c5c 441 char * HTTPServer::rewriteWithDefaultFile(char * queryString)
WiredHome 0:729320f63c5c 442 {
WiredHome 8:262583f054f6 443 char * temp = (char *)mymalloc(strlen(queryString) + strlen(DEFAULT_FILENAME) + 1);
WiredHome 0:729320f63c5c 444
WiredHome 0:729320f63c5c 445 if (temp) {
WiredHome 0:729320f63c5c 446 *temp = '\0';
WiredHome 0:729320f63c5c 447 strcpy(temp, queryString);
WiredHome 0:729320f63c5c 448 strcat(temp, DEFAULT_FILENAME);
WiredHome 8:262583f054f6 449 myfree(queryString);
WiredHome 0:729320f63c5c 450 return temp;
WiredHome 0:729320f63c5c 451 } else {
WiredHome 0:729320f63c5c 452 return queryString;
WiredHome 0:729320f63c5c 453 }
WiredHome 0:729320f63c5c 454 }
WiredHome 0:729320f63c5c 455
WiredHome 14:19c5f6151319 456
WiredHome 0:729320f63c5c 457 char * HTTPServer::rewritePrependWebroot(char * queryString)
WiredHome 0:729320f63c5c 458 {
WiredHome 24:062431453abb 459 char * temp = (char *)mymalloc(strlen(webroot) + strlen(queryString) + 2); // save room for '/'
WiredHome 0:729320f63c5c 460
WiredHome 0:729320f63c5c 461 if (temp) {
WiredHome 24:062431453abb 462 char *lastC;
WiredHome 0:729320f63c5c 463 *temp = '\0';
WiredHome 0:729320f63c5c 464 strcpy(temp, webroot);
WiredHome 24:062431453abb 465 lastC = &temp[strlen(temp)-1];
WiredHome 24:062431453abb 466 if (*lastC == '/' && *queryString == '/')
WiredHome 24:062431453abb 467 queryString++; // don't create two '/'
WiredHome 24:062431453abb 468 else if (*lastC != '/' && *queryString != '/')
WiredHome 24:062431453abb 469 strcat(temp, "/");
WiredHome 0:729320f63c5c 470 strcat(temp, queryString);
WiredHome 8:262583f054f6 471 myfree(queryString);
WiredHome 0:729320f63c5c 472 return temp;
WiredHome 0:729320f63c5c 473 } else {
WiredHome 0:729320f63c5c 474 return queryString;
WiredHome 0:729320f63c5c 475 }
WiredHome 0:729320f63c5c 476 }
WiredHome 0:729320f63c5c 477
WiredHome 14:19c5f6151319 478
WiredHome 3:17928786bdb5 479 bool HTTPServer::CheckDynamicHandlers()
WiredHome 3:17928786bdb5 480 {
WiredHome 3:17928786bdb5 481 bool regHandled = false;
WiredHome 0:729320f63c5c 482
WiredHome 3:17928786bdb5 483 // If this queryString is in the list of registered handlers, call that
WiredHome 3:17928786bdb5 484 for (int i=0; i<handlercount; i++) {
WiredHome 3:17928786bdb5 485 if (strcmp(handlers[i].path, queryString) == 0) {
WiredHome 13:8975d7928678 486 (*handlers[i].callback)(this, SEND_PAGE, queryString, queryParams, queryParamCount);
WiredHome 3:17928786bdb5 487 regHandled = true;
WiredHome 3:17928786bdb5 488 break; // we only execute the first one
WiredHome 3:17928786bdb5 489 }
WiredHome 3:17928786bdb5 490 }
WiredHome 3:17928786bdb5 491 return regHandled;
WiredHome 3:17928786bdb5 492 }
WiredHome 3:17928786bdb5 493
WiredHome 14:19c5f6151319 494
WiredHome 3:17928786bdb5 495 void HTTPServer::SendResponse()
WiredHome 3:17928786bdb5 496 {
WiredHome 27:90a1f5a5392f 497 INFO("SendResponse(%s) at %u", queryType, (unsigned int)PerformanceTimer.read_us());
WiredHome 3:17928786bdb5 498 if (strcmp(queryType, "GET") == 0 || strcmp(queryType, "POST") == 0) {
WiredHome 3:17928786bdb5 499 if (!(queryString[0] == '.' && queryString[1] == '.')) {
WiredHome 3:17928786bdb5 500 const char * fType;
WiredHome 3:17928786bdb5 501
WiredHome 3:17928786bdb5 502 if (!CheckDynamicHandlers()) {
WiredHome 3:17928786bdb5 503 // Otherwise, this queryString must be trying to reference a static file
WiredHome 3:17928786bdb5 504 if (queryString[strlen(queryString)-1] == '/') {
WiredHome 3:17928786bdb5 505 queryString = rewriteWithDefaultFile(queryString);
WiredHome 3:17928786bdb5 506 }
WiredHome 3:17928786bdb5 507 // see if we support this file type
WiredHome 3:17928786bdb5 508 fType = GetSupportedType(queryString);
WiredHome 3:17928786bdb5 509 if (fType) {
WiredHome 3:17928786bdb5 510 queryString = rewritePrependWebroot(queryString);
WiredHome 3:17928786bdb5 511 SendFile(queryString, fType);
WiredHome 3:17928786bdb5 512 } else {
WiredHome 3:17928786bdb5 513 header(404, "Not Found", "Pragma: err - Unsupported type\r\n");
WiredHome 3:17928786bdb5 514 }
WiredHome 3:17928786bdb5 515 }
WiredHome 3:17928786bdb5 516 } else {
WiredHome 3:17928786bdb5 517 header(400, "Bad Request", "Pragma: err - Unsupported path\r\n");
WiredHome 3:17928786bdb5 518 }
WiredHome 3:17928786bdb5 519 } else {
WiredHome 3:17928786bdb5 520 header(400, "Bad Request", "Pragma: err - Unsupported query type\r\n");
WiredHome 3:17928786bdb5 521 }
WiredHome 27:90a1f5a5392f 522 INFO(" SendResponse complete at %u", (unsigned int)PerformanceTimer.read_us());
WiredHome 17:69ff00ce39f4 523
WiredHome 3:17928786bdb5 524 if (queryType) {
WiredHome 8:262583f054f6 525 myfree(queryType);
WiredHome 3:17928786bdb5 526 queryType = NULL;
WiredHome 3:17928786bdb5 527 }
WiredHome 3:17928786bdb5 528 if (queryString) {
WiredHome 8:262583f054f6 529 myfree(queryString);
WiredHome 3:17928786bdb5 530 queryString = NULL;
WiredHome 3:17928786bdb5 531 }
WiredHome 3:17928786bdb5 532 if (postQueryString) {
WiredHome 8:262583f054f6 533 myfree(postQueryString);
WiredHome 3:17928786bdb5 534 postQueryString = NULL;
WiredHome 3:17928786bdb5 535 }
WiredHome 27:90a1f5a5392f 536 INFO(" SendResponse free at %u", (unsigned int)PerformanceTimer.read_us());
WiredHome 3:17928786bdb5 537 }
WiredHome 3:17928786bdb5 538
WiredHome 14:19c5f6151319 539
WiredHome 3:17928786bdb5 540 bool HTTPServer::ParseHeader(char * buffer)
WiredHome 3:17928786bdb5 541 {
WiredHome 3:17928786bdb5 542 char * dblCR;
WiredHome 3:17928786bdb5 543 bool advanceState = false;
WiredHome 3:17928786bdb5 544 int bytecount;
WiredHome 7:99ad7a67f05e 545
WiredHome 3:17928786bdb5 546 // Buffer could have partial, but the double \r\n is the key
WiredHome 13:8975d7928678 547 // GET /QueryString?this=that&sky=blue HTTP/1.1\r\n
WiredHome 8:262583f054f6 548 // GET /QueryString HTTP/1.1\r\nHost: 192.168.1.140\r\nCache-Con
WiredHome 8:262583f054f6 549 // GET /QueryString HTTP/1.1\r\nHost: 192.168.1.140\r\nCache-Control: max-age=0\r\n\r\n
WiredHome 3:17928786bdb5 550 dblCR = strstr(buffer,"\r\n\r\n");
WiredHome 3:17928786bdb5 551 if (dblCR) { // Have to scan from the beginning in case split on \r
WiredHome 27:90a1f5a5392f 552 INFO("==\r\n%s==\r\n", buffer);
WiredHome 3:17928786bdb5 553 char * soRec = buffer; // start of the next record of text
WiredHome 13:8975d7928678 554 char * eoRec = strchr(soRec, '\n'); // search for end of the current record
WiredHome 7:99ad7a67f05e 555
WiredHome 13:8975d7928678 556 headerParamCount = 0;
WiredHome 3:17928786bdb5 557 bytecount = strlen(buffer);
WiredHome 3:17928786bdb5 558 if (bytecount > maxheaderbytes)
WiredHome 3:17928786bdb5 559 maxheaderbytes = bytecount;
WiredHome 3:17928786bdb5 560 while (eoRec) {
WiredHome 3:17928786bdb5 561 *eoRec = '\0';
WiredHome 3:17928786bdb5 562 if (*(eoRec-1) == '\r')
WiredHome 3:17928786bdb5 563 *(eoRec-1) = '\0';
WiredHome 8:262583f054f6 564 // Inspect the supported query types (GET, POST) and ignore (HEAD, PUT, OPTION, DELETE, TRACE, CONNECT]
WiredHome 8:262583f054f6 565 // This is very clumsy
WiredHome 8:262583f054f6 566 if (strstr(soRec, "GET ") == soRec) {
WiredHome 8:262583f054f6 567 Extract(soRec, "GET", &queryString);
WiredHome 8:262583f054f6 568 if (queryString) {
WiredHome 8:262583f054f6 569 queryType = (char *)mymalloc(strlen("GET")+1);
WiredHome 8:262583f054f6 570 strcpy(queryType, "GET");
WiredHome 8:262583f054f6 571 }
WiredHome 8:262583f054f6 572 } else if (strstr(soRec, "POST ") == soRec) {
WiredHome 8:262583f054f6 573 Extract(soRec, "POST", &queryString);
WiredHome 8:262583f054f6 574 if (queryString) {
WiredHome 8:262583f054f6 575 queryType = (char *)mymalloc(strlen("POST")+1);
WiredHome 8:262583f054f6 576 strcpy(queryType, "POST");
WiredHome 8:262583f054f6 577 }
WiredHome 10:9c8d2c6a3469 578 }
WiredHome 13:8975d7928678 579
WiredHome 13:8975d7928678 580 // if there is a ": " delimiter, we have a header item to parse into name,value pair
WiredHome 13:8975d7928678 581 // "Connection: keep-alive" becomes "Connection" "keep-alive"
WiredHome 13:8975d7928678 582 char *delim = strstr(soRec, ": ");
WiredHome 13:8975d7928678 583 char *chkSpace = strchr(soRec, ' '); // a field-name has no space ahead of the ":"
WiredHome 13:8975d7928678 584 if (delim
WiredHome 13:8975d7928678 585 && (!chkSpace || (chkSpace && delim < chkSpace))
WiredHome 13:8975d7928678 586 && headerParamCount < maxheaderParams) {
WiredHome 14:19c5f6151319 587 *delim++ = '\0'; // replace ": " with null
WiredHome 13:8975d7928678 588 *delim++ = '\0';
WiredHome 13:8975d7928678 589 headerParams[headerParamCount].name = soRec;
WiredHome 13:8975d7928678 590 headerParams[headerParamCount].value = delim;
WiredHome 27:90a1f5a5392f 591 INFO("%d: headerParams[%s] = {%s}", headerParamCount,
WiredHome 13:8975d7928678 592 headerParams[headerParamCount].name, headerParams[headerParamCount].value);
WiredHome 13:8975d7928678 593 headerParamCount++;
WiredHome 13:8975d7928678 594 }
WiredHome 3:17928786bdb5 595 soRec = eoRec + 1;
WiredHome 3:17928786bdb5 596 eoRec = strchr(soRec, '\n');
WiredHome 3:17928786bdb5 597 }
WiredHome 3:17928786bdb5 598 if (queryString) {
WiredHome 3:17928786bdb5 599 // We have enough to try to reply
WiredHome 27:90a1f5a5392f 600 INFO("create reply queryType{%s}, queryString{%s}", "GET", queryString);
WiredHome 13:8975d7928678 601 // parse queryParams - if any
WiredHome 3:17928786bdb5 602 // /file.htm?name1=value1&name2=value2...
WiredHome 3:17928786bdb5 603 // /file.htm?name1&name2=value2...
WiredHome 13:8975d7928678 604 queryParamCount = 0;
WiredHome 3:17928786bdb5 605 char * paramDelim = strchr(queryString, '?');
WiredHome 3:17928786bdb5 606 if (paramDelim) {
WiredHome 3:17928786bdb5 607 *paramDelim++ = '\0';
WiredHome 3:17928786bdb5 608 UnescapeString(paramDelim); // everything after the '?'
WiredHome 13:8975d7928678 609 ParseParameters(paramDelim); // pointing at the NULL, but there are queryParams beyond
WiredHome 3:17928786bdb5 610 }
WiredHome 3:17928786bdb5 611 } else {
WiredHome 27:90a1f5a5392f 612 ERR("queryString not found in (%s)", soRec);
WiredHome 3:17928786bdb5 613 }
WiredHome 3:17928786bdb5 614 advanceState = true;
WiredHome 3:17928786bdb5 615 buffer[0] = 0;
WiredHome 3:17928786bdb5 616
WiredHome 3:17928786bdb5 617 // This part parses the extra data on a POST method.
WiredHome 3:17928786bdb5 618 // Since there has to be a dynamic handler registered for this
WiredHome 3:17928786bdb5 619 // it would make sense to move some of this responsibility to
WiredHome 3:17928786bdb5 620 // that handler. It could then choose if it wanted to allocate
WiredHome 3:17928786bdb5 621 // the requested 'Content-Length' amount of memory.
WiredHome 3:17928786bdb5 622 // Should we check the 'Content-Type' to see if it is
WiredHome 3:17928786bdb5 623 // 'application/x-www-form-urlencoded'?
WiredHome 13:8975d7928678 624 int postBytes = atoi(GetHeaderValue("Content-Length"));
WiredHome 3:17928786bdb5 625 bool acceptIt = false;
WiredHome 3:17928786bdb5 626 if (strcmp(queryType, "POST") == 0 && postBytes > 0 ) {
WiredHome 3:17928786bdb5 627 if (postBytes) {
WiredHome 27:90a1f5a5392f 628 int ndxHandler = 0;
WiredHome 3:17928786bdb5 629 bool regHandled = false;
WiredHome 3:17928786bdb5 630 // Registered Dynamic Handler
WiredHome 3:17928786bdb5 631 // Callback and ask if they want to accept this data
WiredHome 27:90a1f5a5392f 632 for (ndxHandler=0; ndxHandler<handlercount; ndxHandler++) {
WiredHome 27:90a1f5a5392f 633 if (strcmp(handlers[ndxHandler].path, queryString) == 0) {
WiredHome 27:90a1f5a5392f 634 acceptIt = (*handlers[ndxHandler].callback)(this, CONTENT_LENGTH_REQUEST, queryString, queryParams, queryParamCount);
WiredHome 3:17928786bdb5 635 regHandled = true;
WiredHome 3:17928786bdb5 636 break; // we only execute the first one
WiredHome 3:17928786bdb5 637 }
WiredHome 3:17928786bdb5 638 }
WiredHome 3:17928786bdb5 639
WiredHome 3:17928786bdb5 640 if (regHandled && acceptIt) {
WiredHome 27:90a1f5a5392f 641 // @todo need to refactor - if the thing is bigger than the buffer,
WiredHome 27:90a1f5a5392f 642 // then we can receive it a chunk at a time, and hand off
WiredHome 27:90a1f5a5392f 643 // the chunks to the callback. May need callbacks that
WiredHome 27:90a1f5a5392f 644 // are: START: extract the filename/object name,
WiredHome 27:90a1f5a5392f 645 // NEXT: a chunk of data,
WiredHome 27:90a1f5a5392f 646 // END: signals that all chunks were delivered.
WiredHome 27:90a1f5a5392f 647 //
WiredHome 3:17928786bdb5 648 // If so, we'll make space for it
WiredHome 8:262583f054f6 649 postQueryString = (char *)mymalloc(postBytes + 1);
WiredHome 3:17928786bdb5 650 if (postQueryString) {
WiredHome 3:17928786bdb5 651 char * offset;
WiredHome 3:17928786bdb5 652 int len;
WiredHome 3:17928786bdb5 653
WiredHome 3:17928786bdb5 654 dblCR += 4; // If we slurped up any of the POST,
WiredHome 3:17928786bdb5 655 while (*dblCR && *dblCR <= ' ')
WiredHome 3:17928786bdb5 656 dblCR++;
WiredHome 3:17928786bdb5 657 strcpy(postQueryString, dblCR); // copy that in and then get the rest
WiredHome 3:17928786bdb5 658 while ((len = strlen(postQueryString)) < postBytes) {
WiredHome 3:17928786bdb5 659 int n;
WiredHome 3:17928786bdb5 660 offset = postQueryString + len;
WiredHome 3:17928786bdb5 661 n = client.receive(offset, postBytes - len);
WiredHome 3:17928786bdb5 662 if (n >=0) {
WiredHome 3:17928786bdb5 663 offset[n] = '\0';
WiredHome 27:90a1f5a5392f 664 //printf("HTTPd: %d of %d: [%s]\r\n", len, postBytes, offset);
WiredHome 27:90a1f5a5392f 665 } else if (n < 0) {
WiredHome 27:90a1f5a5392f 666 //printf("HTTPd: n=%d\r\n", n);
WiredHome 27:90a1f5a5392f 667 break; // no more data, before the plan
WiredHome 3:17928786bdb5 668 }
WiredHome 3:17928786bdb5 669 }
WiredHome 3:17928786bdb5 670 if (len >= 0) {
WiredHome 27:90a1f5a5392f 671 // UnescapeString(postQueryString);
WiredHome 27:90a1f5a5392f 672 // ParseParameters(postQueryString);
WiredHome 27:90a1f5a5392f 673 // use the same handler as for the length check
WiredHome 27:90a1f5a5392f 674 acceptIt = (*handlers[ndxHandler].callback)(this, DATA_TRANSFER, postQueryString, NULL, 0);
WiredHome 27:90a1f5a5392f 675 } else {
WiredHome 27:90a1f5a5392f 676 ERR("HTTPd: len error.");
WiredHome 3:17928786bdb5 677 }
WiredHome 27:90a1f5a5392f 678 } else {
WiredHome 27:90a1f5a5392f 679 ERR("HTTPd: attempt to allocate %d failed.", postBytes+1);
WiredHome 3:17928786bdb5 680 }
WiredHome 3:17928786bdb5 681 } else {
WiredHome 3:17928786bdb5 682 // Simply copy it to the bitbucket
WiredHome 3:17928786bdb5 683 int bytesToDump = postBytes;
WiredHome 8:262583f054f6 684 char * bitbucket = (char *)mymalloc(201);
WiredHome 3:17928786bdb5 685 dblCR += 4;
WiredHome 3:17928786bdb5 686 while (*dblCR && *dblCR <= ' ')
WiredHome 3:17928786bdb5 687 dblCR++;
WiredHome 3:17928786bdb5 688 bytesToDump -= strlen(dblCR);
WiredHome 3:17928786bdb5 689 while (bytesToDump > 0) {
WiredHome 3:17928786bdb5 690 int n = (bytesToDump > 200) ? 200 : bytesToDump;
WiredHome 3:17928786bdb5 691 n = client.receive(bitbucket, n);
WiredHome 3:17928786bdb5 692 bytesToDump -= n;
WiredHome 3:17928786bdb5 693 }
WiredHome 8:262583f054f6 694 myfree(bitbucket);
WiredHome 3:17928786bdb5 695 }
WiredHome 3:17928786bdb5 696 }
WiredHome 3:17928786bdb5 697 }
WiredHome 3:17928786bdb5 698 }
WiredHome 3:17928786bdb5 699 return advanceState;
WiredHome 3:17928786bdb5 700 }
WiredHome 3:17928786bdb5 701
WiredHome 14:19c5f6151319 702
WiredHome 27:90a1f5a5392f 703
WiredHome 13:8975d7928678 704 const char * HTTPServer::GetHeaderValue(const char * hdr)
WiredHome 13:8975d7928678 705 {
WiredHome 13:8975d7928678 706 int i;
WiredHome 13:8975d7928678 707
WiredHome 13:8975d7928678 708 for (i=0; i<headerParamCount; i++)
WiredHome 13:8975d7928678 709 {
WiredHome 13:8975d7928678 710 if (strcmp(hdr, headerParams[i].name) == 0)
WiredHome 13:8975d7928678 711 return headerParams[i].value;
WiredHome 13:8975d7928678 712 }
WiredHome 13:8975d7928678 713 return NULL;
WiredHome 13:8975d7928678 714 }
WiredHome 13:8975d7928678 715
WiredHome 12:109bf1558300 716
WiredHome 7:99ad7a67f05e 717 void HTTPServer::GetPerformanceData(SW_PerformanceData * p)
WiredHome 7:99ad7a67f05e 718 {
WiredHome 3:17928786bdb5 719 memcpy(p, &perfData, sizeof(perfData));
WiredHome 3:17928786bdb5 720 }
WiredHome 3:17928786bdb5 721
WiredHome 17:69ff00ce39f4 722 unsigned int HTTPServer::GetPerformanceClock()
WiredHome 17:69ff00ce39f4 723 {
WiredHome 17:69ff00ce39f4 724 return (unsigned int)PerformanceTimer.read_us();
WiredHome 17:69ff00ce39f4 725 }
WiredHome 14:19c5f6151319 726
WiredHome 16:6ebacf2946d8 727 unsigned int HTTPServer::RecordPerformanceData(SW_PerformanceParam * param, unsigned int refTime)
WiredHome 7:99ad7a67f05e 728 {
WiredHome 16:6ebacf2946d8 729 unsigned int t_now = (unsigned int)PerformanceTimer.read_us();
WiredHome 3:17928786bdb5 730 param->TotalTime_us += (t_now - refTime);
WiredHome 3:17928786bdb5 731 param->Samples++;
WiredHome 3:17928786bdb5 732 if ((t_now - refTime) > param->MaxTime_us)
WiredHome 3:17928786bdb5 733 param->MaxTime_us = (t_now - refTime);
WiredHome 3:17928786bdb5 734 return t_now;
WiredHome 3:17928786bdb5 735 }
WiredHome 3:17928786bdb5 736
WiredHome 14:19c5f6151319 737
WiredHome 7:99ad7a67f05e 738 void HTTPServer::ResetPerformanceData()
WiredHome 7:99ad7a67f05e 739 {
WiredHome 3:17928786bdb5 740 memset(&perfData, 0, sizeof(perfData));
WiredHome 3:17928786bdb5 741 }
WiredHome 3:17928786bdb5 742
WiredHome 4:f34642902056 743
WiredHome 21:660143f20b04 744 #ifdef INCLUDE_GETREMOTE
WiredHome 21:660143f20b04 745 bool HTTPServer::GetRemoteAddr(char * str, int strSize)
WiredHome 21:660143f20b04 746 {
WiredHome 21:660143f20b04 747 bool res = false;
WiredHome 21:660143f20b04 748 char *p;
WiredHome 21:660143f20b04 749
WiredHome 21:660143f20b04 750 if (strSize < 16) { // Can only guard it here w/o modifying Wifly class
WiredHome 21:660143f20b04 751 *str = '\0';
WiredHome 21:660143f20b04 752 return res;
WiredHome 21:660143f20b04 753 }
WiredHome 21:660143f20b04 754 res = wifly->sendCommand("show z\r", NULL, str, strSize);
WiredHome 21:660143f20b04 755 if (res) {
WiredHome 21:660143f20b04 756 p = strchr(str, '\n'); // truncate after the octets.
WiredHome 21:660143f20b04 757 if (p) *p = '\0';
WiredHome 21:660143f20b04 758 p = strchr(str, ' '); // or a space
WiredHome 21:660143f20b04 759 if (p) *p = '\0';
WiredHome 21:660143f20b04 760 p = strchr(str, '<'); // or a <
WiredHome 21:660143f20b04 761 if (p) *p = '\0';
WiredHome 21:660143f20b04 762 res = true;
WiredHome 21:660143f20b04 763 }
WiredHome 21:660143f20b04 764 wifly->exit();
WiredHome 21:660143f20b04 765 return res;
WiredHome 21:660143f20b04 766 }
WiredHome 21:660143f20b04 767 #endif