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@29:00116fc9da74, 2013-10-11 (annotated)

Committer:
WiredHome
Date:
Fri Oct 11 23:47:31 2013 +0000
Revision:
29:00116fc9da74
Parent:
28:f93ef41b78e1
Child:
30:864843965b40
Picked up new MODSERIAL lib from Erik Olieman, which captures stdout.

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 29:00116fc9da74 14
WiredHome 0:729320f63c5c 15 #include "Utility.h"
WiredHome 0:729320f63c5c 16
WiredHome 27:90a1f5a5392f 17 #define DEBUG "HTTP"
WiredHome 29:00116fc9da74 18 #include "SW_HTTPServer.h"
WiredHome 27:90a1f5a5392f 19
WiredHome 27:90a1f5a5392f 20 #if (defined(DEBUG) && !defined(TARGET_LPC11U24))
WiredHome 29:00116fc9da74 21 #define DBG(x, ...) pc->printf("[DBG %s%4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 29:00116fc9da74 22 #define WARN(x, ...) pc->printf("[WRN %s%4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 29:00116fc9da74 23 #define ERR(x, ...) pc->printf("[ERR %s%4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 29:00116fc9da74 24 #define INFO(x, ...) pc->printf("[INF %s%4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 27:90a1f5a5392f 25 #else
WiredHome 27:90a1f5a5392f 26 #define DBG(x, ...)
WiredHome 27:90a1f5a5392f 27 #define WARN(x, ...)
WiredHome 27:90a1f5a5392f 28 #define ERR(x, ...)
WiredHome 27:90a1f5a5392f 29 #define INFO(x, ...)
WiredHome 27:90a1f5a5392f 30 #endif
WiredHome 27:90a1f5a5392f 31
WiredHome 0:729320f63c5c 32
WiredHome 0:729320f63c5c 33 const char * DEFAULT_FILENAME = "index.htm";
WiredHome 0:729320f63c5c 34
WiredHome 8:262583f054f6 35 // Header information to always send (must be \r\n terminated)
WiredHome 17:69ff00ce39f4 36 const char hdr_httpver[] = "HTTP/1.0"; // Wifly may not be able to support HTTP/1.1 protocol
WiredHome 8:262583f054f6 37 const char hdr_age[] = "Max-age: 0\r\n"; // expires right away
WiredHome 8:262583f054f6 38 const char hdr_server[] = "Server: Smart_Server v0.1\r\n"; // Server
WiredHome 17:69ff00ce39f4 39 const char hdr_close[] = "Connection: close\r\n"; // tell the client the server closes the connection immediately
WiredHome 8:262583f054f6 40 const char nl[] = "\r\n"; // final \r\n for the termination of the header
WiredHome 0:729320f63c5c 41
WiredHome 14:19c5f6151319 42
WiredHome 0:729320f63c5c 43 static const struct {
WiredHome 0:729320f63c5c 44 char *ext;
WiredHome 0:729320f63c5c 45 char *filetype;
WiredHome 0:729320f63c5c 46 } extensions [] = {
WiredHome 3:17928786bdb5 47 {".gif", "Content-Type: image/gif\r\n" },
WiredHome 3:17928786bdb5 48 {".jpg", "Content-Type: image/jpeg\r\n" },
WiredHome 3:17928786bdb5 49 {".jpeg","Content-Type: image/jpeg\r\n" },
WiredHome 3:17928786bdb5 50 {".ico", "Content-Type: image/x-icon\r\n" },
WiredHome 3:17928786bdb5 51 {".png", "Content-Type: image/png\r\n" },
WiredHome 3:17928786bdb5 52 {".zip", "Content-Type: image/zip\r\n" },
WiredHome 3:17928786bdb5 53 {".gz", "Content-Type: image/gz\r\n" },
WiredHome 3:17928786bdb5 54 {".tar", "Content-Type: image/tar\r\n" },
WiredHome 3:17928786bdb5 55 {".txt", "Content-Type: plain/text\r\n" },
WiredHome 3:17928786bdb5 56 {".pdf", "Content-Type: application/pdf\r\n" },
WiredHome 3:17928786bdb5 57 {".htm", "Content-Type: text/html\r\n" },
WiredHome 3:17928786bdb5 58 {".html","Content-Type: text/html\r\n" },
WiredHome 0:729320f63c5c 59 {0,0}
WiredHome 0:729320f63c5c 60 };
WiredHome 0:729320f63c5c 61
WiredHome 8:262583f054f6 62 #ifdef DEBUG
WiredHome 12:109bf1558300 63 // This uses standard library dynamic memory management, but for an
WiredHome 9:2ea342765c9d 64 // embedded system there are alternates that may make better sense -
WiredHome 9:2ea342765c9d 65 // search the web for embedded system malloc alternates.
WiredHome 29:00116fc9da74 66 void * HTTPServer::MyMalloc(int x, int y)
WiredHome 8:262583f054f6 67 {
WiredHome 29:00116fc9da74 68 pc->printf("[INF HTTP%4d] malloc(%d)\r\n", y, x);
WiredHome 8:262583f054f6 69 return malloc(x);
WiredHome 8:262583f054f6 70 }
WiredHome 29:00116fc9da74 71 char HTTPServer::toP(void * x)
WiredHome 11:17d84c41a7b3 72 {
WiredHome 11:17d84c41a7b3 73 char * c = (char *) x;
WiredHome 11:17d84c41a7b3 74 if (*c >= ' ' && *c < 0x7F)
WiredHome 11:17d84c41a7b3 75 return *c;
WiredHome 11:17d84c41a7b3 76 else
WiredHome 11:17d84c41a7b3 77 return '.';
WiredHome 11:17d84c41a7b3 78 }
WiredHome 8:262583f054f6 79 #define mymalloc(x) MyMalloc(x, __LINE__)
WiredHome 8:262583f054f6 80 #define myfree(x) \
WiredHome 25:f7d6df7a700a 81 pc->printf("[INF HTTP%4d] free(%02x %02x %02x %02x %02x ... %c%c%c%c%c)\r\n", __LINE__, \
WiredHome 11:17d84c41a7b3 82 *x, *(x+1), *(x+2), *(x+3), *(x+4), \
WiredHome 11:17d84c41a7b3 83 toP(x), toP(x+1), toP(x+2), toP(x+3), toP(x+4) ); \
WiredHome 8:262583f054f6 84 free(x);
WiredHome 8:262583f054f6 85 #else
WiredHome 8:262583f054f6 86 #define mymalloc(x) malloc(x)
WiredHome 8:262583f054f6 87 #define myfree(x) free(x)
WiredHome 8:262583f054f6 88 #endif
WiredHome 8:262583f054f6 89
WiredHome 3:17928786bdb5 90 HTTPServer::HTTPServer(
WiredHome 7:99ad7a67f05e 91 Wifly * _wf,
WiredHome 7:99ad7a67f05e 92 int port,
WiredHome 7:99ad7a67f05e 93 const char * _webroot,
WiredHome 13:8975d7928678 94 int maxheaderParams,
WiredHome 13:8975d7928678 95 int _maxqueryParams,
WiredHome 7:99ad7a67f05e 96 int _maxdynamicpages,
WiredHome 7:99ad7a67f05e 97 PC * _pc,
WiredHome 7:99ad7a67f05e 98 int _allocforheader,
WiredHome 3:17928786bdb5 99 int _allocforfile)
WiredHome 0:729320f63c5c 100 {
WiredHome 0:729320f63c5c 101 wifly = _wf;
WiredHome 0:729320f63c5c 102 webroot = (char *)malloc(strlen(_webroot)+1);
WiredHome 0:729320f63c5c 103 strcpy(webroot, _webroot);
WiredHome 27:90a1f5a5392f 104 if (strlen(webroot)>1 && webroot[strlen(webroot)-1] == '/') // remove trailing '/'
WiredHome 27:90a1f5a5392f 105 webroot[strlen(webroot)-1] = '\0';
WiredHome 13:8975d7928678 106 maxqueryParams = _maxqueryParams;
WiredHome 0:729320f63c5c 107 maxdynamicpages = _maxdynamicpages;
WiredHome 13:8975d7928678 108 headerParams = (namevalue *)malloc(maxheaderParams * sizeof(namevalue));
WiredHome 13:8975d7928678 109 queryParams = (namevalue *)malloc(maxqueryParams * sizeof(namevalue));
WiredHome 0:729320f63c5c 110 handlers = (handler *)malloc(maxdynamicpages * sizeof(handler));
WiredHome 3:17928786bdb5 111 headerbuffersize = _allocforheader;
WiredHome 3:17928786bdb5 112 headerbuffer = (char *)malloc(headerbuffersize);
WiredHome 0:729320f63c5c 113 pc = _pc;
WiredHome 3:17928786bdb5 114 queryType = NULL;
WiredHome 3:17928786bdb5 115 queryString = NULL;
WiredHome 3:17928786bdb5 116 postQueryString = NULL;
WiredHome 13:8975d7928678 117 queryParamCount = 0;
WiredHome 0:729320f63c5c 118 handlercount = 0;
WiredHome 3:17928786bdb5 119 maxheaderbytes = 0;
WiredHome 0:729320f63c5c 120 server = new TCPSocketServer();
WiredHome 0:729320f63c5c 121 server->bind(port);
WiredHome 0:729320f63c5c 122 server->listen();
WiredHome 16:6ebacf2946d8 123 server->set_blocking(false, 10);
WiredHome 3:17928786bdb5 124 ResetPerformanceData();
WiredHome 10:9c8d2c6a3469 125 PerformanceTimer.start();
WiredHome 0:729320f63c5c 126 }
WiredHome 0:729320f63c5c 127
WiredHome 0:729320f63c5c 128 HTTPServer::~HTTPServer()
WiredHome 0:729320f63c5c 129 {
WiredHome 8:262583f054f6 130 int i;
WiredHome 8:262583f054f6 131
WiredHome 8:262583f054f6 132 for (i=0; i<handlercount; i++)
WiredHome 8:262583f054f6 133 myfree(handlers[i].path);
WiredHome 8:262583f054f6 134 myfree(headerbuffer);
WiredHome 8:262583f054f6 135 myfree(handlers);
WiredHome 13:8975d7928678 136 myfree(queryParams);
WiredHome 8:262583f054f6 137 myfree(webroot);
WiredHome 0:729320f63c5c 138 webroot = NULL;
WiredHome 0:729320f63c5c 139 }
WiredHome 0:729320f63c5c 140
WiredHome 3:17928786bdb5 141 int HTTPServer::GetMaxHeaderSize()
WiredHome 3:17928786bdb5 142 {
WiredHome 3:17928786bdb5 143 return maxheaderbytes;
WiredHome 3:17928786bdb5 144 }
WiredHome 3:17928786bdb5 145
WiredHome 0:729320f63c5c 146 bool HTTPServer::RegisterHandler(const char * path, Handler callback)
WiredHome 0:729320f63c5c 147 {
WiredHome 0:729320f63c5c 148 if (handlercount < maxdynamicpages && path && callback) {
WiredHome 8:262583f054f6 149 handlers[handlercount].path = (char *)mymalloc(strlen(path)+1);
WiredHome 0:729320f63c5c 150 memcpy(handlers[handlercount].path, path, strlen(path)+1);
WiredHome 0:729320f63c5c 151 handlers[handlercount].callback = callback;
WiredHome 0:729320f63c5c 152 handlercount++;
WiredHome 0:729320f63c5c 153 return true;
WiredHome 0:729320f63c5c 154 } else {
WiredHome 0:729320f63c5c 155 return false;
WiredHome 0:729320f63c5c 156 }
WiredHome 0:729320f63c5c 157 }
WiredHome 0:729320f63c5c 158
WiredHome 2:a29c32190037 159 // Poll()
WiredHome 0:729320f63c5c 160 //
WiredHome 0:729320f63c5c 161 // *OPEN*GET /x=1 HTTP/1.1
WiredHome 0:729320f63c5c 162 // Host: 192.168.1.140
WiredHome 0:729320f63c5c 163 // Connection: keep-alive
WiredHome 0:729320f63c5c 164 // Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
WiredHome 0:729320f63c5c 165 // 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 166 // Accept-Encoding: gzip,deflate,sdch
WiredHome 0:729320f63c5c 167 // Accept-Language: en-US,en;q=0.8
WiredHome 0:729320f63c5c 168 //
WiredHome 2:a29c32190037 169 void HTTPServer::Poll()
WiredHome 0:729320f63c5c 170 {
WiredHome 3:17928786bdb5 171 typedef enum {
WiredHome 3:17928786bdb5 172 Idle, // waiting for a connection
WiredHome 29:00116fc9da74 173 ReceivingHeader, // receiving header
WiredHome 29:00116fc9da74 174 ReceivingPayload, // receiving a section after the Header
WiredHome 3:17928786bdb5 175 Sending, // send the response
WiredHome 7:99ad7a67f05e 176 WaitingToClose, // small timeout to close
WiredHome 7:99ad7a67f05e 177 Reset
WiredHome 3:17928786bdb5 178 } state;
WiredHome 0:729320f63c5c 179 static state op = Idle;
WiredHome 3:17928786bdb5 180 static char * bPtr = headerbuffer;
WiredHome 0:729320f63c5c 181 int n;
WiredHome 16:6ebacf2946d8 182 static unsigned int t_ref; // reference point for the PerformanceTimer
WiredHome 0:729320f63c5c 183
WiredHome 20:786aa5749007 184 #if defined(DEBUG)
WiredHome 8:262583f054f6 185 static state lastOp = Reset;
WiredHome 7:99ad7a67f05e 186 if (lastOp != op) {
WiredHome 29:00116fc9da74 187 const char *states[] = {"Idle", "ReceivingHeader", "ReceivingPayload", "Sending", "WaitingToClose", "Reset"};
WiredHome 27:90a1f5a5392f 188 INFO("Poll: %s", states[op]);
WiredHome 7:99ad7a67f05e 189 lastOp = op;
WiredHome 7:99ad7a67f05e 190 }
WiredHome 8:262583f054f6 191 #endif
WiredHome 0:729320f63c5c 192 switch(op) {
WiredHome 3:17928786bdb5 193 default: // not expected to arrive here
WiredHome 3:17928786bdb5 194 op = Idle;
WiredHome 3:17928786bdb5 195 break;
WiredHome 8:262583f054f6 196
WiredHome 3:17928786bdb5 197 case Idle:
WiredHome 10:9c8d2c6a3469 198 PerformanceTimer.reset();
WiredHome 17:69ff00ce39f4 199 t_ref = (unsigned int)PerformanceTimer.read_us();
WiredHome 3:17928786bdb5 200 bPtr = headerbuffer;
WiredHome 11:17d84c41a7b3 201 if (0 == server->accept(client)) {
WiredHome 29:00116fc9da74 202 op = ReceivingHeader;
WiredHome 17:69ff00ce39f4 203 t_ref = RecordPerformanceData(&perfData.ConnectionAccepted, t_ref);
WiredHome 27:90a1f5a5392f 204 INFO("Accepted at %u", (unsigned int)PerformanceTimer.read_us());
WiredHome 3:17928786bdb5 205 }
WiredHome 0:729320f63c5c 206 break;
WiredHome 8:262583f054f6 207
WiredHome 29:00116fc9da74 208 case ReceivingHeader:
WiredHome 3:17928786bdb5 209 n = client.receive(bPtr, headerbuffersize - (bPtr - headerbuffer));
WiredHome 3:17928786bdb5 210 if (n < 0) {
WiredHome 29:00116fc9da74 211 op = Sending;
WiredHome 27:90a1f5a5392f 212 INFO("*** client.receive() => %d", n);
WiredHome 3:17928786bdb5 213 } else if (n) {
WiredHome 3:17928786bdb5 214 bPtr[n] = '\0';
WiredHome 29:00116fc9da74 215 switch (ParseHeader(headerbuffer)) {
WiredHome 29:00116fc9da74 216 case ACCEPT_ERROR:
WiredHome 29:00116fc9da74 217 break;
WiredHome 29:00116fc9da74 218 case ACCEPT_COMPLETE:
WiredHome 29:00116fc9da74 219 op = Sending;
WiredHome 29:00116fc9da74 220 t_ref = RecordPerformanceData(&perfData.HeaderParsed, t_ref);
WiredHome 29:00116fc9da74 221 INFO("Header Parsed at %u", (unsigned int)PerformanceTimer.read_us());
WiredHome 29:00116fc9da74 222 break;
WiredHome 29:00116fc9da74 223 case ACCEPT_CONTINUE:
WiredHome 29:00116fc9da74 224 op = ReceivingPayload;
WiredHome 29:00116fc9da74 225 break;
WiredHome 3:17928786bdb5 226 }
WiredHome 3:17928786bdb5 227 bPtr += n;
WiredHome 0:729320f63c5c 228 }
WiredHome 0:729320f63c5c 229 break;
WiredHome 8:262583f054f6 230
WiredHome 29:00116fc9da74 231 case ReceivingPayload:
WiredHome 29:00116fc9da74 232 // After the header, there is a payload that will be handled
WiredHome 29:00116fc9da74 233 op = Sending;
WiredHome 29:00116fc9da74 234 break;
WiredHome 29:00116fc9da74 235
WiredHome 0:729320f63c5c 236 case Sending:
WiredHome 3:17928786bdb5 237 SendResponse();
WiredHome 0:729320f63c5c 238 op = WaitingToClose;
WiredHome 17:69ff00ce39f4 239 t_ref = RecordPerformanceData(&perfData.ResponseSent, t_ref);
WiredHome 27:90a1f5a5392f 240 INFO("Response Sent at %u", (unsigned int)PerformanceTimer.read_us());
WiredHome 0:729320f63c5c 241 break;
WiredHome 9:2ea342765c9d 242
WiredHome 0:729320f63c5c 243 case WaitingToClose:
WiredHome 27:90a1f5a5392f 244 INFO("Connection closed entry %u", (unsigned int)PerformanceTimer.read_us());
WiredHome 3:17928786bdb5 245 close_connection();
WiredHome 0:729320f63c5c 246 op = Idle;
WiredHome 17:69ff00ce39f4 247 RecordPerformanceData(&perfData.ConnectionClosed, t_ref);
WiredHome 27:90a1f5a5392f 248 INFO("Connection closed exit %u", (unsigned int)PerformanceTimer.read_us());
WiredHome 0:729320f63c5c 249 break;
WiredHome 0:729320f63c5c 250 }
WiredHome 0:729320f63c5c 251 }
WiredHome 0:729320f63c5c 252
WiredHome 0:729320f63c5c 253
WiredHome 0:729320f63c5c 254 const char * HTTPServer::GetSupportedType(const char * filename)
WiredHome 0:729320f63c5c 255 {
WiredHome 0:729320f63c5c 256 int i;
WiredHome 0:729320f63c5c 257 int buflen = strlen(filename);
WiredHome 0:729320f63c5c 258 int extlen;
WiredHome 0:729320f63c5c 259
WiredHome 0:729320f63c5c 260 for (i=0; extensions[i].ext != 0; i++) {
WiredHome 0:729320f63c5c 261 extlen = strlen(extensions[i].ext);
WiredHome 0:729320f63c5c 262 if ( !strncmp(&filename[buflen-extlen], extensions[i].ext, extlen)) {
WiredHome 0:729320f63c5c 263 return extensions[i].filetype;
WiredHome 0:729320f63c5c 264 }
WiredHome 0:729320f63c5c 265 }
WiredHome 0:729320f63c5c 266 return NULL;
WiredHome 0:729320f63c5c 267 }
WiredHome 0:729320f63c5c 268
WiredHome 3:17928786bdb5 269
WiredHome 0:729320f63c5c 270 void HTTPServer::send(const char * msg, int bytes)
WiredHome 0:729320f63c5c 271 {
WiredHome 0:729320f63c5c 272 if (bytes == -1)
WiredHome 0:729320f63c5c 273 bytes = strlen(msg);
WiredHome 20:786aa5749007 274 client.send((char *)msg, bytes);
WiredHome 0:729320f63c5c 275 }
WiredHome 0:729320f63c5c 276
WiredHome 3:17928786bdb5 277
WiredHome 0:729320f63c5c 278 bool HTTPServer::SendFile(const char * filename, const char * filetype)
WiredHome 0:729320f63c5c 279 {
WiredHome 0:729320f63c5c 280 FILE * fp;
WiredHome 3:17928786bdb5 281
WiredHome 0:729320f63c5c 282 fp = fopen(filename,"rb");
WiredHome 0:729320f63c5c 283 if (fp) { // can open it
WiredHome 8:262583f054f6 284 char *fbuffer = (char *)mymalloc(FILESEND_BUF_SIZE);
WiredHome 0:729320f63c5c 285 int bytes;
WiredHome 0:729320f63c5c 286
WiredHome 3:17928786bdb5 287 if (fbuffer) {
WiredHome 3:17928786bdb5 288 header(200, "OK", filetype);
WiredHome 0:729320f63c5c 289 bytes = fread(fbuffer,sizeof(char),FILESEND_BUF_SIZE,fp);
WiredHome 3:17928786bdb5 290 while (bytes > 0) {
WiredHome 3:17928786bdb5 291 send(fbuffer, bytes);
WiredHome 3:17928786bdb5 292 bytes = fread(fbuffer,sizeof(char),FILESEND_BUF_SIZE,fp);
WiredHome 3:17928786bdb5 293 }
WiredHome 8:262583f054f6 294 myfree(fbuffer);
WiredHome 3:17928786bdb5 295 } else {
WiredHome 3:17928786bdb5 296 header(500, "Server Error", "Pragma: err - insufficient memory\r\n");
WiredHome 0:729320f63c5c 297 }
WiredHome 0:729320f63c5c 298 fclose(fp);
WiredHome 0:729320f63c5c 299 return true;
WiredHome 0:729320f63c5c 300 } else {
WiredHome 3:17928786bdb5 301 header(404, "Not Found", "Pragma: err - Can't open file\r\n");
WiredHome 0:729320f63c5c 302 return false;
WiredHome 0:729320f63c5c 303 }
WiredHome 0:729320f63c5c 304 }
WiredHome 0:729320f63c5c 305
WiredHome 0:729320f63c5c 306 int HTTPServer::HexCharToInt(char c)
WiredHome 0:729320f63c5c 307 {
WiredHome 0:729320f63c5c 308 if (c >= 'a' && c <= 'f')
WiredHome 0:729320f63c5c 309 return (c - 'a' + 10);
WiredHome 0:729320f63c5c 310 else if (c >= 'A' && c <= 'F')
WiredHome 0:729320f63c5c 311 return (c - 'A' + 10);
WiredHome 0:729320f63c5c 312 else if (c >= '0' && c <= '9')
WiredHome 0:729320f63c5c 313 return c - '0';
WiredHome 0:729320f63c5c 314 else
WiredHome 0:729320f63c5c 315 return 0;
WiredHome 0:729320f63c5c 316 }
WiredHome 0:729320f63c5c 317
WiredHome 0:729320f63c5c 318 char HTTPServer::HexPairToChar(char * p)
WiredHome 0:729320f63c5c 319 {
WiredHome 0:729320f63c5c 320 return 16 * HexCharToInt(*p) + HexCharToInt(*(p+1));
WiredHome 0:729320f63c5c 321 }
WiredHome 0:729320f63c5c 322
WiredHome 0:729320f63c5c 323 void HTTPServer::UnescapeString(char * encoded)
WiredHome 0:729320f63c5c 324 {
WiredHome 0:729320f63c5c 325 char *p;
WiredHome 0:729320f63c5c 326
WiredHome 0:729320f63c5c 327 // first convert '+' to ' '
WiredHome 0:729320f63c5c 328 p = strchr(encoded, '+');
WiredHome 0:729320f63c5c 329 while (p) {
WiredHome 0:729320f63c5c 330 *p = ' ';
WiredHome 0:729320f63c5c 331 p = strchr(encoded, '+');
WiredHome 0:729320f63c5c 332 }
WiredHome 0:729320f63c5c 333 // then convert hex '%xx' to char 'x'
WiredHome 0:729320f63c5c 334 p = strchr(encoded, '%');
WiredHome 0:729320f63c5c 335 while (p) {
WiredHome 0:729320f63c5c 336 if (strchr("0123456789ABCDEFabcdef", *(p+1))
WiredHome 0:729320f63c5c 337 && strchr("0123456789ABCDEFabcdef", *(p+2)) ) {
WiredHome 0:729320f63c5c 338 *p = HexPairToChar(p+1);
WiredHome 0:729320f63c5c 339 p++; // advance past the %
WiredHome 0:729320f63c5c 340 char * a = p;
WiredHome 0:729320f63c5c 341 char * b = p + 2;
WiredHome 0:729320f63c5c 342 do {
WiredHome 0:729320f63c5c 343 *a++ = *b++;
WiredHome 0:729320f63c5c 344 } while (*b);
WiredHome 0:729320f63c5c 345 *a = '\0';
WiredHome 0:729320f63c5c 346 }
WiredHome 0:729320f63c5c 347 p = strchr(p, '%');
WiredHome 0:729320f63c5c 348 }
WiredHome 0:729320f63c5c 349 }
WiredHome 0:729320f63c5c 350
WiredHome 0:729320f63c5c 351 const char * HTTPServer::GetParameter(const char * name)
WiredHome 0:729320f63c5c 352 {
WiredHome 13:8975d7928678 353 for (int i=0; i<queryParamCount; i++) {
WiredHome 13:8975d7928678 354 if (strcmp(queryParams[i].name, name) == 0) {
WiredHome 13:8975d7928678 355 return queryParams[i].value;
WiredHome 0:729320f63c5c 356 }
WiredHome 0:729320f63c5c 357 }
WiredHome 0:729320f63c5c 358 return NULL;
WiredHome 0:729320f63c5c 359 }
WiredHome 0:729320f63c5c 360
WiredHome 0:729320f63c5c 361 // this=that&who=what&more=stuff...
WiredHome 0:729320f63c5c 362 // ^ ^ ^
WiredHome 3:17928786bdb5 363 void HTTPServer::ParseParameters(char * pName)
WiredHome 0:729320f63c5c 364 {
WiredHome 0:729320f63c5c 365 char * pVal;
WiredHome 0:729320f63c5c 366 char * pNextName;
WiredHome 0:729320f63c5c 367
WiredHome 13:8975d7928678 368 // Parse queryParams
WiredHome 0:729320f63c5c 369 pVal = strchr(pName, '#'); // If there is a '#fragment_id', we can ignore it
WiredHome 0:729320f63c5c 370 if (pVal)
WiredHome 3:17928786bdb5 371 *pVal = '\0';
WiredHome 0:729320f63c5c 372 do {
WiredHome 13:8975d7928678 373 queryParams[queryParamCount].name = pName;
WiredHome 0:729320f63c5c 374 pVal = strchr(pName, '=');
WiredHome 0:729320f63c5c 375 pNextName = strchr(pName,'&');
WiredHome 0:729320f63c5c 376 if (pVal) {
WiredHome 0:729320f63c5c 377 if (pNextName == NULL || (pNextName && pNextName > pVal)) {
WiredHome 0:729320f63c5c 378 *pVal++ = '\0';
WiredHome 13:8975d7928678 379 queryParams[queryParamCount].value = pVal;
WiredHome 0:729320f63c5c 380 pName = pVal;
WiredHome 0:729320f63c5c 381 }
WiredHome 0:729320f63c5c 382 }
WiredHome 13:8975d7928678 383 queryParamCount++;
WiredHome 0:729320f63c5c 384 if (pNextName) {
WiredHome 0:729320f63c5c 385 pName = pNextName;
WiredHome 0:729320f63c5c 386 *pName++ = '\0';
WiredHome 0:729320f63c5c 387 } else {
WiredHome 0:729320f63c5c 388 pName = NULL;
WiredHome 0:729320f63c5c 389 }
WiredHome 13:8975d7928678 390 } while (pName && queryParamCount < maxqueryParams);
WiredHome 0:729320f63c5c 391 }
WiredHome 0:729320f63c5c 392
WiredHome 0:729320f63c5c 393
WiredHome 0:729320f63c5c 394 void HTTPServer::header(int code, const char * code_text, const char * content_type, const char * optional_text)
WiredHome 0:729320f63c5c 395 {
WiredHome 0:729320f63c5c 396 char http[100];
WiredHome 0:729320f63c5c 397
WiredHome 0:729320f63c5c 398 sprintf(http, "%s %i %s\r\n", hdr_httpver, code, code_text);
WiredHome 0:729320f63c5c 399 send(http);
WiredHome 0:729320f63c5c 400 send(hdr_age);
WiredHome 0:729320f63c5c 401 send(hdr_server);
WiredHome 0:729320f63c5c 402 if (content_type) {
WiredHome 0:729320f63c5c 403 send(content_type);
WiredHome 0:729320f63c5c 404 }
WiredHome 0:729320f63c5c 405 if (optional_text) {
WiredHome 0:729320f63c5c 406 send(optional_text);
WiredHome 0:729320f63c5c 407 }
WiredHome 0:729320f63c5c 408 send(hdr_close);
WiredHome 0:729320f63c5c 409 send(nl);
WiredHome 0:729320f63c5c 410 }
WiredHome 0:729320f63c5c 411
WiredHome 14:19c5f6151319 412
WiredHome 7:99ad7a67f05e 413 bool HTTPServer::close_connection()
WiredHome 0:729320f63c5c 414 {
WiredHome 7:99ad7a67f05e 415 bool res;
WiredHome 7:99ad7a67f05e 416
WiredHome 14:19c5f6151319 417 res = server->close();
WiredHome 27:90a1f5a5392f 418 INFO("close connection returned %d", res);
WiredHome 7:99ad7a67f05e 419 return res;
WiredHome 0:729320f63c5c 420 }
WiredHome 0:729320f63c5c 421
WiredHome 14:19c5f6151319 422
WiredHome 0:729320f63c5c 423 bool HTTPServer::Extract(char * haystack, char * needle, char ** string)
WiredHome 0:729320f63c5c 424 {
WiredHome 0:729320f63c5c 425 bool ret = false; // assume failure until proven otherwise
WiredHome 0:729320f63c5c 426 char * qs = NULL;
WiredHome 0:729320f63c5c 427 char * eqs = NULL;
WiredHome 0:729320f63c5c 428 char * container = NULL;
WiredHome 0:729320f63c5c 429 char * get = strstr(haystack, needle); // what if not at the front?
WiredHome 0:729320f63c5c 430 if (get) {
WiredHome 0:729320f63c5c 431 // Seems to be a valid "...GET /QueryString HTTP/1.1"
WiredHome 8:262583f054f6 432 // or "...<needle>param..."
WiredHome 0:729320f63c5c 433 qs = get + strlen(needle); // in case the needle didn't have space delimiters
WiredHome 0:729320f63c5c 434 while (*qs == ' ')
WiredHome 0:729320f63c5c 435 qs++;
WiredHome 0:729320f63c5c 436 // /QueryString\0HTTP/1.1\0\0
WiredHome 0:729320f63c5c 437 if (*string) // recycle old string when working a new one
WiredHome 8:262583f054f6 438 myfree(*string);
WiredHome 8:262583f054f6 439 container = (char *)mymalloc(strlen(qs));
WiredHome 0:729320f63c5c 440 if (container) {
WiredHome 0:729320f63c5c 441 strcpy(container, qs);
WiredHome 0:729320f63c5c 442 eqs = strchr(container, ' ');
WiredHome 0:729320f63c5c 443 if (eqs)
WiredHome 0:729320f63c5c 444 *eqs = '\0';
WiredHome 0:729320f63c5c 445 *string = container;
WiredHome 27:90a1f5a5392f 446 INFO("Extract(%s) = %s", needle, container);
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 24:062431453abb 474 char * temp = (char *)mymalloc(strlen(webroot) + strlen(queryString) + 2); // save room for '/'
WiredHome 0:729320f63c5c 475
WiredHome 0:729320f63c5c 476 if (temp) {
WiredHome 24:062431453abb 477 char *lastC;
WiredHome 0:729320f63c5c 478 *temp = '\0';
WiredHome 0:729320f63c5c 479 strcpy(temp, webroot);
WiredHome 24:062431453abb 480 lastC = &temp[strlen(temp)-1];
WiredHome 24:062431453abb 481 if (*lastC == '/' && *queryString == '/')
WiredHome 24:062431453abb 482 queryString++; // don't create two '/'
WiredHome 24:062431453abb 483 else if (*lastC != '/' && *queryString != '/')
WiredHome 24:062431453abb 484 strcat(temp, "/");
WiredHome 0:729320f63c5c 485 strcat(temp, queryString);
WiredHome 8:262583f054f6 486 myfree(queryString);
WiredHome 0:729320f63c5c 487 return temp;
WiredHome 0:729320f63c5c 488 } else {
WiredHome 0:729320f63c5c 489 return queryString;
WiredHome 0:729320f63c5c 490 }
WiredHome 0:729320f63c5c 491 }
WiredHome 0:729320f63c5c 492
WiredHome 14:19c5f6151319 493
WiredHome 3:17928786bdb5 494 bool HTTPServer::CheckDynamicHandlers()
WiredHome 3:17928786bdb5 495 {
WiredHome 3:17928786bdb5 496 bool regHandled = false;
WiredHome 0:729320f63c5c 497
WiredHome 3:17928786bdb5 498 // If this queryString is in the list of registered handlers, call that
WiredHome 3:17928786bdb5 499 for (int i=0; i<handlercount; i++) {
WiredHome 3:17928786bdb5 500 if (strcmp(handlers[i].path, queryString) == 0) {
WiredHome 13:8975d7928678 501 (*handlers[i].callback)(this, SEND_PAGE, queryString, queryParams, queryParamCount);
WiredHome 3:17928786bdb5 502 regHandled = true;
WiredHome 3:17928786bdb5 503 break; // we only execute the first one
WiredHome 3:17928786bdb5 504 }
WiredHome 3:17928786bdb5 505 }
WiredHome 3:17928786bdb5 506 return regHandled;
WiredHome 3:17928786bdb5 507 }
WiredHome 3:17928786bdb5 508
WiredHome 14:19c5f6151319 509
WiredHome 3:17928786bdb5 510 void HTTPServer::SendResponse()
WiredHome 3:17928786bdb5 511 {
WiredHome 27:90a1f5a5392f 512 INFO("SendResponse(%s) at %u", queryType, (unsigned int)PerformanceTimer.read_us());
WiredHome 3:17928786bdb5 513 if (strcmp(queryType, "GET") == 0 || strcmp(queryType, "POST") == 0) {
WiredHome 3:17928786bdb5 514 if (!(queryString[0] == '.' && queryString[1] == '.')) {
WiredHome 3:17928786bdb5 515 const char * fType;
WiredHome 3:17928786bdb5 516
WiredHome 3:17928786bdb5 517 if (!CheckDynamicHandlers()) {
WiredHome 3:17928786bdb5 518 // Otherwise, this queryString must be trying to reference a static file
WiredHome 3:17928786bdb5 519 if (queryString[strlen(queryString)-1] == '/') {
WiredHome 3:17928786bdb5 520 queryString = rewriteWithDefaultFile(queryString);
WiredHome 3:17928786bdb5 521 }
WiredHome 3:17928786bdb5 522 // see if we support this file type
WiredHome 3:17928786bdb5 523 fType = GetSupportedType(queryString);
WiredHome 3:17928786bdb5 524 if (fType) {
WiredHome 3:17928786bdb5 525 queryString = rewritePrependWebroot(queryString);
WiredHome 3:17928786bdb5 526 SendFile(queryString, fType);
WiredHome 3:17928786bdb5 527 } else {
WiredHome 3:17928786bdb5 528 header(404, "Not Found", "Pragma: err - Unsupported type\r\n");
WiredHome 3:17928786bdb5 529 }
WiredHome 3:17928786bdb5 530 }
WiredHome 3:17928786bdb5 531 } else {
WiredHome 3:17928786bdb5 532 header(400, "Bad Request", "Pragma: err - Unsupported path\r\n");
WiredHome 3:17928786bdb5 533 }
WiredHome 3:17928786bdb5 534 } else {
WiredHome 3:17928786bdb5 535 header(400, "Bad Request", "Pragma: err - Unsupported query type\r\n");
WiredHome 3:17928786bdb5 536 }
WiredHome 27:90a1f5a5392f 537 INFO(" SendResponse complete at %u", (unsigned int)PerformanceTimer.read_us());
WiredHome 17:69ff00ce39f4 538
WiredHome 3:17928786bdb5 539 if (queryType) {
WiredHome 8:262583f054f6 540 myfree(queryType);
WiredHome 3:17928786bdb5 541 queryType = NULL;
WiredHome 3:17928786bdb5 542 }
WiredHome 3:17928786bdb5 543 if (queryString) {
WiredHome 8:262583f054f6 544 myfree(queryString);
WiredHome 3:17928786bdb5 545 queryString = NULL;
WiredHome 3:17928786bdb5 546 }
WiredHome 3:17928786bdb5 547 if (postQueryString) {
WiredHome 8:262583f054f6 548 myfree(postQueryString);
WiredHome 3:17928786bdb5 549 postQueryString = NULL;
WiredHome 3:17928786bdb5 550 }
WiredHome 27:90a1f5a5392f 551 INFO(" SendResponse free at %u", (unsigned int)PerformanceTimer.read_us());
WiredHome 3:17928786bdb5 552 }
WiredHome 3:17928786bdb5 553
WiredHome 14:19c5f6151319 554
WiredHome 29:00116fc9da74 555 HTTPServer::CallBackResults HTTPServer::ParseHeader(char * buffer)
WiredHome 3:17928786bdb5 556 {
WiredHome 3:17928786bdb5 557 char * dblCR;
WiredHome 29:00116fc9da74 558 CallBackResults advanceState = ACCEPT_ERROR;
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 29:00116fc9da74 567 INFO("\r\n==\r\n%s==", buffer);
WiredHome 3:17928786bdb5 568 char * soRec = buffer; // start of the next record of text
WiredHome 13:8975d7928678 569 char * eoRec = strchr(soRec, '\n'); // search for end of the current record
WiredHome 7:99ad7a67f05e 570
WiredHome 13:8975d7928678 571 headerParamCount = 0;
WiredHome 3:17928786bdb5 572 bytecount = strlen(buffer);
WiredHome 3:17928786bdb5 573 if (bytecount > maxheaderbytes)
WiredHome 3:17928786bdb5 574 maxheaderbytes = bytecount;
WiredHome 3:17928786bdb5 575 while (eoRec) {
WiredHome 3:17928786bdb5 576 *eoRec = '\0';
WiredHome 3:17928786bdb5 577 if (*(eoRec-1) == '\r')
WiredHome 3:17928786bdb5 578 *(eoRec-1) = '\0';
WiredHome 8:262583f054f6 579 // Inspect the supported query types (GET, POST) and ignore (HEAD, PUT, OPTION, DELETE, TRACE, CONNECT]
WiredHome 8:262583f054f6 580 // This is very clumsy
WiredHome 8:262583f054f6 581 if (strstr(soRec, "GET ") == soRec) {
WiredHome 8:262583f054f6 582 Extract(soRec, "GET", &queryString);
WiredHome 8:262583f054f6 583 if (queryString) {
WiredHome 8:262583f054f6 584 queryType = (char *)mymalloc(strlen("GET")+1);
WiredHome 8:262583f054f6 585 strcpy(queryType, "GET");
WiredHome 8:262583f054f6 586 }
WiredHome 8:262583f054f6 587 } else if (strstr(soRec, "POST ") == soRec) {
WiredHome 8:262583f054f6 588 Extract(soRec, "POST", &queryString);
WiredHome 8:262583f054f6 589 if (queryString) {
WiredHome 8:262583f054f6 590 queryType = (char *)mymalloc(strlen("POST")+1);
WiredHome 8:262583f054f6 591 strcpy(queryType, "POST");
WiredHome 8:262583f054f6 592 }
WiredHome 10:9c8d2c6a3469 593 }
WiredHome 13:8975d7928678 594
WiredHome 13:8975d7928678 595 // if there is a ": " delimiter, we have a header item to parse into name,value pair
WiredHome 13:8975d7928678 596 // "Connection: keep-alive" becomes "Connection" "keep-alive"
WiredHome 13:8975d7928678 597 char *delim = strstr(soRec, ": ");
WiredHome 13:8975d7928678 598 char *chkSpace = strchr(soRec, ' '); // a field-name has no space ahead of the ":"
WiredHome 29:00116fc9da74 599 if (delim
WiredHome 29:00116fc9da74 600 && (!chkSpace || (chkSpace && delim < chkSpace))
WiredHome 29:00116fc9da74 601 && headerParamCount < maxheaderParams) {
WiredHome 14:19c5f6151319 602 *delim++ = '\0'; // replace ": " with null
WiredHome 13:8975d7928678 603 *delim++ = '\0';
WiredHome 13:8975d7928678 604 headerParams[headerParamCount].name = soRec;
WiredHome 13:8975d7928678 605 headerParams[headerParamCount].value = delim;
WiredHome 27:90a1f5a5392f 606 INFO("%d: headerParams[%s] = {%s}", headerParamCount,
WiredHome 29:00116fc9da74 607 headerParams[headerParamCount].name, headerParams[headerParamCount].value);
WiredHome 13:8975d7928678 608 headerParamCount++;
WiredHome 13:8975d7928678 609 }
WiredHome 3:17928786bdb5 610 soRec = eoRec + 1;
WiredHome 3:17928786bdb5 611 eoRec = strchr(soRec, '\n');
WiredHome 3:17928786bdb5 612 }
WiredHome 29:00116fc9da74 613
WiredHome 3:17928786bdb5 614 if (queryString) {
WiredHome 3:17928786bdb5 615 // We have enough to try to reply
WiredHome 27:90a1f5a5392f 616 INFO("create reply queryType{%s}, queryString{%s}", "GET", queryString);
WiredHome 13:8975d7928678 617 // parse queryParams - if any
WiredHome 3:17928786bdb5 618 // /file.htm?name1=value1&name2=value2...
WiredHome 3:17928786bdb5 619 // /file.htm?name1&name2=value2...
WiredHome 13:8975d7928678 620 queryParamCount = 0;
WiredHome 3:17928786bdb5 621 char * paramDelim = strchr(queryString, '?');
WiredHome 3:17928786bdb5 622 if (paramDelim) {
WiredHome 3:17928786bdb5 623 *paramDelim++ = '\0';
WiredHome 3:17928786bdb5 624 UnescapeString(paramDelim); // everything after the '?'
WiredHome 29:00116fc9da74 625 ParseParameters(paramDelim); // pointing at the NULL, but there are queryParams beyond
WiredHome 3:17928786bdb5 626 }
WiredHome 3:17928786bdb5 627 } else {
WiredHome 29:00116fc9da74 628 ERR("queryString not found in (%s) [this should never happen]", soRec);
WiredHome 3:17928786bdb5 629 }
WiredHome 29:00116fc9da74 630 advanceState = ACCEPT_COMPLETE;
WiredHome 3:17928786bdb5 631 buffer[0] = 0;
WiredHome 3:17928786bdb5 632
WiredHome 3:17928786bdb5 633 // This part parses the extra data on a POST method.
WiredHome 3:17928786bdb5 634 // Since there has to be a dynamic handler registered for this
WiredHome 3:17928786bdb5 635 // it would make sense to move some of this responsibility to
WiredHome 3:17928786bdb5 636 // that handler. It could then choose if it wanted to allocate
WiredHome 3:17928786bdb5 637 // the requested 'Content-Length' amount of memory.
WiredHome 13:8975d7928678 638 int postBytes = atoi(GetHeaderValue("Content-Length"));
WiredHome 28:f93ef41b78e1 639 CallBackResults acceptIt = ACCEPT_ERROR;
WiredHome 3:17928786bdb5 640 if (strcmp(queryType, "POST") == 0 && postBytes > 0 ) {
WiredHome 3:17928786bdb5 641 if (postBytes) {
WiredHome 27:90a1f5a5392f 642 int ndxHandler = 0;
WiredHome 3:17928786bdb5 643 bool regHandled = false;
WiredHome 3:17928786bdb5 644 // Registered Dynamic Handler
WiredHome 3:17928786bdb5 645 // Callback and ask if they want to accept this data
WiredHome 27:90a1f5a5392f 646 for (ndxHandler=0; ndxHandler<handlercount; ndxHandler++) {
WiredHome 27:90a1f5a5392f 647 if (strcmp(handlers[ndxHandler].path, queryString) == 0) {
WiredHome 27:90a1f5a5392f 648 acceptIt = (*handlers[ndxHandler].callback)(this, CONTENT_LENGTH_REQUEST, queryString, queryParams, queryParamCount);
WiredHome 3:17928786bdb5 649 regHandled = true;
WiredHome 29:00116fc9da74 650 break; // only one callback per path allowed
WiredHome 3:17928786bdb5 651 }
WiredHome 3:17928786bdb5 652 }
WiredHome 3:17928786bdb5 653
WiredHome 28:f93ef41b78e1 654 if (regHandled && acceptIt != ACCEPT_ERROR) {
WiredHome 27:90a1f5a5392f 655 // @todo need to refactor - if the thing is bigger than the buffer,
WiredHome 27:90a1f5a5392f 656 // then we can receive it a chunk at a time, and hand off
WiredHome 27:90a1f5a5392f 657 // the chunks to the callback. May need callbacks that
WiredHome 27:90a1f5a5392f 658 // are: START: extract the filename/object name,
WiredHome 27:90a1f5a5392f 659 // NEXT: a chunk of data,
WiredHome 27:90a1f5a5392f 660 // END: signals that all chunks were delivered.
WiredHome 27:90a1f5a5392f 661 //
WiredHome 3:17928786bdb5 662 // If so, we'll make space for it
WiredHome 8:262583f054f6 663 postQueryString = (char *)mymalloc(postBytes + 1);
WiredHome 28:f93ef41b78e1 664 INFO("Free space %d", Free());
WiredHome 3:17928786bdb5 665 if (postQueryString) {
WiredHome 3:17928786bdb5 666 char * offset;
WiredHome 3:17928786bdb5 667 int len;
WiredHome 3:17928786bdb5 668
WiredHome 28:f93ef41b78e1 669 INFO("Processing");
WiredHome 3:17928786bdb5 670 dblCR += 4; // If we slurped up any of the POST,
WiredHome 3:17928786bdb5 671 while (*dblCR && *dblCR <= ' ')
WiredHome 3:17928786bdb5 672 dblCR++;
WiredHome 3:17928786bdb5 673 strcpy(postQueryString, dblCR); // copy that in and then get the rest
WiredHome 3:17928786bdb5 674 while ((len = strlen(postQueryString)) < postBytes) {
WiredHome 3:17928786bdb5 675 int n;
WiredHome 3:17928786bdb5 676 offset = postQueryString + len;
WiredHome 3:17928786bdb5 677 n = client.receive(offset, postBytes - len);
WiredHome 3:17928786bdb5 678 if (n >=0) {
WiredHome 3:17928786bdb5 679 offset[n] = '\0';
WiredHome 28:f93ef41b78e1 680 INFO("HTTPd: %d of %d: [%s]", len, postBytes, offset);
WiredHome 27:90a1f5a5392f 681 } else if (n < 0) {
WiredHome 29:00116fc9da74 682 INFO("*** receive returned %d ***", n);
WiredHome 27:90a1f5a5392f 683 break; // no more data, before the plan
WiredHome 3:17928786bdb5 684 }
WiredHome 3:17928786bdb5 685 }
WiredHome 3:17928786bdb5 686 if (len >= 0) {
WiredHome 27:90a1f5a5392f 687 // UnescapeString(postQueryString);
WiredHome 27:90a1f5a5392f 688 // ParseParameters(postQueryString);
WiredHome 27:90a1f5a5392f 689 // use the same handler as for the length check
WiredHome 28:f93ef41b78e1 690 INFO("calling user code");
WiredHome 27:90a1f5a5392f 691 acceptIt = (*handlers[ndxHandler].callback)(this, DATA_TRANSFER, postQueryString, NULL, 0);
WiredHome 27:90a1f5a5392f 692 } else {
WiredHome 27:90a1f5a5392f 693 ERR("HTTPd: len error.");
WiredHome 3:17928786bdb5 694 }
WiredHome 27:90a1f5a5392f 695 } else {
WiredHome 27:90a1f5a5392f 696 ERR("HTTPd: attempt to allocate %d failed.", postBytes+1);
WiredHome 3:17928786bdb5 697 }
WiredHome 3:17928786bdb5 698 } else {
WiredHome 3:17928786bdb5 699 // Simply copy it to the bitbucket
WiredHome 3:17928786bdb5 700 int bytesToDump = postBytes;
WiredHome 8:262583f054f6 701 char * bitbucket = (char *)mymalloc(201);
WiredHome 29:00116fc9da74 702
WiredHome 3:17928786bdb5 703 dblCR += 4;
WiredHome 3:17928786bdb5 704 while (*dblCR && *dblCR <= ' ')
WiredHome 3:17928786bdb5 705 dblCR++;
WiredHome 3:17928786bdb5 706 bytesToDump -= strlen(dblCR);
WiredHome 3:17928786bdb5 707 while (bytesToDump > 0) {
WiredHome 3:17928786bdb5 708 int n = (bytesToDump > 200) ? 200 : bytesToDump;
WiredHome 3:17928786bdb5 709 n = client.receive(bitbucket, n);
WiredHome 29:00116fc9da74 710 if (n < 0) {
WiredHome 29:00116fc9da74 711 ERR("to the bitbucket.");
WiredHome 29:00116fc9da74 712 break;
WiredHome 29:00116fc9da74 713 }
WiredHome 3:17928786bdb5 714 bytesToDump -= n;
WiredHome 3:17928786bdb5 715 }
WiredHome 8:262583f054f6 716 myfree(bitbucket);
WiredHome 3:17928786bdb5 717 }
WiredHome 3:17928786bdb5 718 }
WiredHome 3:17928786bdb5 719 }
WiredHome 3:17928786bdb5 720 }
WiredHome 3:17928786bdb5 721 return advanceState;
WiredHome 3:17928786bdb5 722 }
WiredHome 3:17928786bdb5 723
WiredHome 14:19c5f6151319 724
WiredHome 27:90a1f5a5392f 725
WiredHome 13:8975d7928678 726 const char * HTTPServer::GetHeaderValue(const char * hdr)
WiredHome 13:8975d7928678 727 {
WiredHome 13:8975d7928678 728 int i;
WiredHome 29:00116fc9da74 729
WiredHome 29:00116fc9da74 730 for (i=0; i<headerParamCount; i++) {
WiredHome 13:8975d7928678 731 if (strcmp(hdr, headerParams[i].name) == 0)
WiredHome 13:8975d7928678 732 return headerParams[i].value;
WiredHome 29:00116fc9da74 733 }
WiredHome 13:8975d7928678 734 return NULL;
WiredHome 13:8975d7928678 735 }
WiredHome 13:8975d7928678 736
WiredHome 12:109bf1558300 737
WiredHome 7:99ad7a67f05e 738 void HTTPServer::GetPerformanceData(SW_PerformanceData * p)
WiredHome 7:99ad7a67f05e 739 {
WiredHome 3:17928786bdb5 740 memcpy(p, &perfData, sizeof(perfData));
WiredHome 3:17928786bdb5 741 }
WiredHome 3:17928786bdb5 742
WiredHome 17:69ff00ce39f4 743 unsigned int HTTPServer::GetPerformanceClock()
WiredHome 17:69ff00ce39f4 744 {
WiredHome 17:69ff00ce39f4 745 return (unsigned int)PerformanceTimer.read_us();
WiredHome 17:69ff00ce39f4 746 }
WiredHome 14:19c5f6151319 747
WiredHome 16:6ebacf2946d8 748 unsigned int HTTPServer::RecordPerformanceData(SW_PerformanceParam * param, unsigned int refTime)
WiredHome 7:99ad7a67f05e 749 {
WiredHome 16:6ebacf2946d8 750 unsigned int t_now = (unsigned int)PerformanceTimer.read_us();
WiredHome 3:17928786bdb5 751 param->TotalTime_us += (t_now - refTime);
WiredHome 3:17928786bdb5 752 param->Samples++;
WiredHome 3:17928786bdb5 753 if ((t_now - refTime) > param->MaxTime_us)
WiredHome 3:17928786bdb5 754 param->MaxTime_us = (t_now - refTime);
WiredHome 3:17928786bdb5 755 return t_now;
WiredHome 3:17928786bdb5 756 }
WiredHome 3:17928786bdb5 757
WiredHome 14:19c5f6151319 758
WiredHome 7:99ad7a67f05e 759 void HTTPServer::ResetPerformanceData()
WiredHome 7:99ad7a67f05e 760 {
WiredHome 3:17928786bdb5 761 memset(&perfData, 0, sizeof(perfData));
WiredHome 3:17928786bdb5 762 }
WiredHome 3:17928786bdb5 763
WiredHome 4:f34642902056 764
WiredHome 21:660143f20b04 765 #ifdef INCLUDE_GETREMOTE
WiredHome 21:660143f20b04 766 bool HTTPServer::GetRemoteAddr(char * str, int strSize)
WiredHome 21:660143f20b04 767 {
WiredHome 21:660143f20b04 768 bool res = false;
WiredHome 21:660143f20b04 769 char *p;
WiredHome 21:660143f20b04 770
WiredHome 21:660143f20b04 771 if (strSize < 16) { // Can only guard it here w/o modifying Wifly class
WiredHome 21:660143f20b04 772 *str = '\0';
WiredHome 21:660143f20b04 773 return res;
WiredHome 21:660143f20b04 774 }
WiredHome 21:660143f20b04 775 res = wifly->sendCommand("show z\r", NULL, str, strSize);
WiredHome 21:660143f20b04 776 if (res) {
WiredHome 21:660143f20b04 777 p = strchr(str, '\n'); // truncate after the octets.
WiredHome 21:660143f20b04 778 if (p) *p = '\0';
WiredHome 21:660143f20b04 779 p = strchr(str, ' '); // or a space
WiredHome 21:660143f20b04 780 if (p) *p = '\0';
WiredHome 21:660143f20b04 781 p = strchr(str, '<'); // or a <
WiredHome 21:660143f20b04 782 if (p) *p = '\0';
WiredHome 21:660143f20b04 783 res = true;
WiredHome 21:660143f20b04 784 }
WiredHome 21:660143f20b04 785 wifly->exit();
WiredHome 21:660143f20b04 786 return res;
WiredHome 21:660143f20b04 787 }
WiredHome 21:660143f20b04 788 #endif