Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Fork of SW_HTTPServer by
SW_HTTPServer.cpp@14:19c5f6151319, 2013-08-12 (annotated)
- Committer:
- WiredHome
- Date:
- Mon Aug 12 23:03:25 2013 +0000
- Revision:
- 14:19c5f6151319
- Parent:
- 13:8975d7928678
- Child:
- 16:6ebacf2946d8
Refactor the base64 encoder and decoder.; Refactor the http server code to simplify the parsing of the header.;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
WiredHome | 0:729320f63c5c | 1 | // |
WiredHome | 2:a29c32190037 | 2 | // @note Copyright © 2013 by Smartware Computing, all rights reserved. |
WiredHome | 0:729320f63c5c | 3 | // Individuals may use this application for evaluation or non-commercial |
WiredHome | 0:729320f63c5c | 4 | // purposes. Within this restriction, changes may be made to this application |
WiredHome | 0:729320f63c5c | 5 | // as long as this copyright notice is retained. The user shall make |
WiredHome | 0:729320f63c5c | 6 | // clear that their work is a derived work, and not the original. |
WiredHome | 0:729320f63c5c | 7 | // Users of this application and sources accept this application "as is" and |
WiredHome | 0:729320f63c5c | 8 | // shall hold harmless Smartware Computing, for any undesired results while |
WiredHome | 0:729320f63c5c | 9 | // using this application - whether real or imagined. |
WiredHome | 0:729320f63c5c | 10 | // |
WiredHome | 0:729320f63c5c | 11 | // author David Smart, Smartware Computing |
WiredHome | 0:729320f63c5c | 12 | // |
WiredHome | 0:729320f63c5c | 13 | #include "mbed.h" |
WiredHome | 0:729320f63c5c | 14 | #include "SW_HTTPServer.h" |
WiredHome | 0:729320f63c5c | 15 | #include "Utility.h" |
WiredHome | 0:729320f63c5c | 16 | |
WiredHome | 12:109bf1558300 | 17 | #define DEBUG |
WiredHome | 0:729320f63c5c | 18 | |
WiredHome | 0:729320f63c5c | 19 | const char * DEFAULT_FILENAME = "index.htm"; |
WiredHome | 0:729320f63c5c | 20 | |
WiredHome | 8:262583f054f6 | 21 | // Header information to always send (must be \r\n terminated) |
WiredHome | 8:262583f054f6 | 22 | const char hdr_httpver[] = "HTTP/1.0"; // typically HTTP/1.0 or HTTP/1.1 |
WiredHome | 8:262583f054f6 | 23 | const char hdr_age[] = "Max-age: 0\r\n"; // expires right away |
WiredHome | 8:262583f054f6 | 24 | const char hdr_server[] = "Server: Smart_Server v0.1\r\n"; // Server |
WiredHome | 8:262583f054f6 | 25 | const char hdr_dnt[] = "DNT: 1\r\n"; // Do Not Track |
WiredHome | 8:262583f054f6 | 26 | const char hdr_close[] = "Connection: close\r\n"; // tell the client to close the connection |
WiredHome | 8:262583f054f6 | 27 | const char nl[] = "\r\n"; // final \r\n for the termination of the header |
WiredHome | 0:729320f63c5c | 28 | |
WiredHome | 14:19c5f6151319 | 29 | |
WiredHome | 0:729320f63c5c | 30 | static const struct { |
WiredHome | 0:729320f63c5c | 31 | char *ext; |
WiredHome | 0:729320f63c5c | 32 | char *filetype; |
WiredHome | 0:729320f63c5c | 33 | } extensions [] = { |
WiredHome | 3:17928786bdb5 | 34 | {".gif", "Content-Type: image/gif\r\n" }, |
WiredHome | 3:17928786bdb5 | 35 | {".jpg", "Content-Type: image/jpeg\r\n" }, |
WiredHome | 3:17928786bdb5 | 36 | {".jpeg","Content-Type: image/jpeg\r\n" }, |
WiredHome | 3:17928786bdb5 | 37 | {".ico", "Content-Type: image/x-icon\r\n" }, |
WiredHome | 3:17928786bdb5 | 38 | {".png", "Content-Type: image/png\r\n" }, |
WiredHome | 3:17928786bdb5 | 39 | {".zip", "Content-Type: image/zip\r\n" }, |
WiredHome | 3:17928786bdb5 | 40 | {".gz", "Content-Type: image/gz\r\n" }, |
WiredHome | 3:17928786bdb5 | 41 | {".tar", "Content-Type: image/tar\r\n" }, |
WiredHome | 3:17928786bdb5 | 42 | {".txt", "Content-Type: plain/text\r\n" }, |
WiredHome | 3:17928786bdb5 | 43 | {".pdf", "Content-Type: application/pdf\r\n" }, |
WiredHome | 3:17928786bdb5 | 44 | {".htm", "Content-Type: text/html\r\n" }, |
WiredHome | 3:17928786bdb5 | 45 | {".html","Content-Type: text/html\r\n" }, |
WiredHome | 0:729320f63c5c | 46 | {0,0} |
WiredHome | 0:729320f63c5c | 47 | }; |
WiredHome | 0:729320f63c5c | 48 | |
WiredHome | 8:262583f054f6 | 49 | #ifdef DEBUG |
WiredHome | 12:109bf1558300 | 50 | // This uses standard library dynamic memory management, but for an |
WiredHome | 9:2ea342765c9d | 51 | // embedded system there are alternates that may make better sense - |
WiredHome | 9:2ea342765c9d | 52 | // search the web for embedded system malloc alternates. |
WiredHome | 8:262583f054f6 | 53 | static void * MyMalloc(int x, int y) |
WiredHome | 8:262583f054f6 | 54 | { |
WiredHome | 8:262583f054f6 | 55 | std::printf("[%04d] malloc(%d)\r\n", y, x); |
WiredHome | 8:262583f054f6 | 56 | return malloc(x); |
WiredHome | 8:262583f054f6 | 57 | } |
WiredHome | 11:17d84c41a7b3 | 58 | static char toP(void * x) |
WiredHome | 11:17d84c41a7b3 | 59 | { |
WiredHome | 11:17d84c41a7b3 | 60 | char * c = (char *) x; |
WiredHome | 11:17d84c41a7b3 | 61 | if (*c >= ' ' && *c < 0x7F) |
WiredHome | 11:17d84c41a7b3 | 62 | return *c; |
WiredHome | 11:17d84c41a7b3 | 63 | else |
WiredHome | 11:17d84c41a7b3 | 64 | return '.'; |
WiredHome | 11:17d84c41a7b3 | 65 | } |
WiredHome | 8:262583f054f6 | 66 | #define mymalloc(x) MyMalloc(x, __LINE__) |
WiredHome | 8:262583f054f6 | 67 | #define myfree(x) \ |
WiredHome | 11:17d84c41a7b3 | 68 | pc->printf("[%4d] free(%02x %02x %02x %02x %02x ... %c%c%c%c%c)\r\n", __LINE__, \ |
WiredHome | 11:17d84c41a7b3 | 69 | *x, *(x+1), *(x+2), *(x+3), *(x+4), \ |
WiredHome | 11:17d84c41a7b3 | 70 | toP(x), toP(x+1), toP(x+2), toP(x+3), toP(x+4) ); \ |
WiredHome | 8:262583f054f6 | 71 | free(x); |
WiredHome | 8:262583f054f6 | 72 | #else |
WiredHome | 8:262583f054f6 | 73 | #define mymalloc(x) malloc(x) |
WiredHome | 8:262583f054f6 | 74 | #define myfree(x) free(x) |
WiredHome | 8:262583f054f6 | 75 | #endif |
WiredHome | 8:262583f054f6 | 76 | |
WiredHome | 3:17928786bdb5 | 77 | HTTPServer::HTTPServer( |
WiredHome | 7:99ad7a67f05e | 78 | Wifly * _wf, |
WiredHome | 7:99ad7a67f05e | 79 | int port, |
WiredHome | 7:99ad7a67f05e | 80 | const char * _webroot, |
WiredHome | 13:8975d7928678 | 81 | int maxheaderParams, |
WiredHome | 13:8975d7928678 | 82 | int _maxqueryParams, |
WiredHome | 7:99ad7a67f05e | 83 | int _maxdynamicpages, |
WiredHome | 7:99ad7a67f05e | 84 | PC * _pc, |
WiredHome | 7:99ad7a67f05e | 85 | int _allocforheader, |
WiredHome | 3:17928786bdb5 | 86 | int _allocforfile) |
WiredHome | 0:729320f63c5c | 87 | { |
WiredHome | 0:729320f63c5c | 88 | wifly = _wf; |
WiredHome | 0:729320f63c5c | 89 | webroot = (char *)malloc(strlen(_webroot)+1); |
WiredHome | 0:729320f63c5c | 90 | strcpy(webroot, _webroot); |
WiredHome | 13:8975d7928678 | 91 | maxqueryParams = _maxqueryParams; |
WiredHome | 0:729320f63c5c | 92 | maxdynamicpages = _maxdynamicpages; |
WiredHome | 13:8975d7928678 | 93 | headerParams = (namevalue *)malloc(maxheaderParams * sizeof(namevalue)); |
WiredHome | 13:8975d7928678 | 94 | queryParams = (namevalue *)malloc(maxqueryParams * sizeof(namevalue)); |
WiredHome | 0:729320f63c5c | 95 | handlers = (handler *)malloc(maxdynamicpages * sizeof(handler)); |
WiredHome | 3:17928786bdb5 | 96 | headerbuffersize = _allocforheader; |
WiredHome | 3:17928786bdb5 | 97 | headerbuffer = (char *)malloc(headerbuffersize); |
WiredHome | 0:729320f63c5c | 98 | pc = _pc; |
WiredHome | 3:17928786bdb5 | 99 | queryType = NULL; |
WiredHome | 3:17928786bdb5 | 100 | queryString = NULL; |
WiredHome | 3:17928786bdb5 | 101 | postQueryString = NULL; |
WiredHome | 13:8975d7928678 | 102 | queryParamCount = 0; |
WiredHome | 0:729320f63c5c | 103 | handlercount = 0; |
WiredHome | 3:17928786bdb5 | 104 | maxheaderbytes = 0; |
WiredHome | 0:729320f63c5c | 105 | server = new TCPSocketServer(); |
WiredHome | 0:729320f63c5c | 106 | server->bind(port); |
WiredHome | 0:729320f63c5c | 107 | server->listen(); |
WiredHome | 8:262583f054f6 | 108 | // server->set_blocking(false, 0); |
WiredHome | 8:262583f054f6 | 109 | // client.set_blocking(false, 0); |
WiredHome | 8:262583f054f6 | 110 | // server->accept(client); |
WiredHome | 3:17928786bdb5 | 111 | ResetPerformanceData(); |
WiredHome | 10:9c8d2c6a3469 | 112 | PerformanceTimer.start(); |
WiredHome | 0:729320f63c5c | 113 | } |
WiredHome | 0:729320f63c5c | 114 | |
WiredHome | 0:729320f63c5c | 115 | HTTPServer::~HTTPServer() |
WiredHome | 0:729320f63c5c | 116 | { |
WiredHome | 8:262583f054f6 | 117 | int i; |
WiredHome | 8:262583f054f6 | 118 | |
WiredHome | 8:262583f054f6 | 119 | for (i=0; i<handlercount; i++) |
WiredHome | 8:262583f054f6 | 120 | myfree(handlers[i].path); |
WiredHome | 8:262583f054f6 | 121 | myfree(headerbuffer); |
WiredHome | 8:262583f054f6 | 122 | myfree(handlers); |
WiredHome | 13:8975d7928678 | 123 | myfree(queryParams); |
WiredHome | 8:262583f054f6 | 124 | myfree(webroot); |
WiredHome | 0:729320f63c5c | 125 | webroot = NULL; |
WiredHome | 0:729320f63c5c | 126 | } |
WiredHome | 0:729320f63c5c | 127 | |
WiredHome | 3:17928786bdb5 | 128 | int HTTPServer::GetMaxHeaderSize() |
WiredHome | 3:17928786bdb5 | 129 | { |
WiredHome | 3:17928786bdb5 | 130 | return maxheaderbytes; |
WiredHome | 3:17928786bdb5 | 131 | } |
WiredHome | 3:17928786bdb5 | 132 | |
WiredHome | 0:729320f63c5c | 133 | bool HTTPServer::RegisterHandler(const char * path, Handler callback) |
WiredHome | 0:729320f63c5c | 134 | { |
WiredHome | 0:729320f63c5c | 135 | if (handlercount < maxdynamicpages && path && callback) { |
WiredHome | 8:262583f054f6 | 136 | handlers[handlercount].path = (char *)mymalloc(strlen(path)+1); |
WiredHome | 0:729320f63c5c | 137 | memcpy(handlers[handlercount].path, path, strlen(path)+1); |
WiredHome | 0:729320f63c5c | 138 | handlers[handlercount].callback = callback; |
WiredHome | 0:729320f63c5c | 139 | handlercount++; |
WiredHome | 0:729320f63c5c | 140 | return true; |
WiredHome | 0:729320f63c5c | 141 | } else { |
WiredHome | 0:729320f63c5c | 142 | return false; |
WiredHome | 0:729320f63c5c | 143 | } |
WiredHome | 0:729320f63c5c | 144 | } |
WiredHome | 0:729320f63c5c | 145 | |
WiredHome | 2:a29c32190037 | 146 | // Poll() |
WiredHome | 0:729320f63c5c | 147 | // |
WiredHome | 0:729320f63c5c | 148 | // *OPEN*GET /x=1 HTTP/1.1 |
WiredHome | 0:729320f63c5c | 149 | // Host: 192.168.1.140 |
WiredHome | 0:729320f63c5c | 150 | // Connection: keep-alive |
WiredHome | 0:729320f63c5c | 151 | // Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 |
WiredHome | 0:729320f63c5c | 152 | // User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.94 Safari/537.36 |
WiredHome | 0:729320f63c5c | 153 | // Accept-Encoding: gzip,deflate,sdch |
WiredHome | 0:729320f63c5c | 154 | // Accept-Language: en-US,en;q=0.8 |
WiredHome | 0:729320f63c5c | 155 | // |
WiredHome | 2:a29c32190037 | 156 | void HTTPServer::Poll() |
WiredHome | 0:729320f63c5c | 157 | { |
WiredHome | 3:17928786bdb5 | 158 | typedef enum { |
WiredHome | 3:17928786bdb5 | 159 | Idle, // waiting for a connection |
WiredHome | 3:17928786bdb5 | 160 | Receiving, // receiving data |
WiredHome | 3:17928786bdb5 | 161 | Sending, // send the response |
WiredHome | 7:99ad7a67f05e | 162 | WaitingToClose, // small timeout to close |
WiredHome | 7:99ad7a67f05e | 163 | Reset |
WiredHome | 3:17928786bdb5 | 164 | } state; |
WiredHome | 0:729320f63c5c | 165 | static state op = Idle; |
WiredHome | 3:17928786bdb5 | 166 | static char * bPtr = headerbuffer; |
WiredHome | 0:729320f63c5c | 167 | int n; |
WiredHome | 10:9c8d2c6a3469 | 168 | static int t_ref; // reference point for the PerformanceTimer |
WiredHome | 0:729320f63c5c | 169 | |
WiredHome | 8:262583f054f6 | 170 | #ifdef DEBUG |
WiredHome | 8:262583f054f6 | 171 | static state lastOp = Reset; |
WiredHome | 7:99ad7a67f05e | 172 | if (lastOp != op) { |
WiredHome | 9:2ea342765c9d | 173 | const char *states[] = {"Idle", "Receiving", "Sending", "WaitingToClose", "Reset"}; |
WiredHome | 8:262583f054f6 | 174 | pc->printf("Poll: %s\r\n", states[op]); |
WiredHome | 7:99ad7a67f05e | 175 | lastOp = op; |
WiredHome | 7:99ad7a67f05e | 176 | } |
WiredHome | 8:262583f054f6 | 177 | #endif |
WiredHome | 0:729320f63c5c | 178 | switch(op) { |
WiredHome | 3:17928786bdb5 | 179 | default: // not expected to arrive here |
WiredHome | 3:17928786bdb5 | 180 | op = Idle; |
WiredHome | 3:17928786bdb5 | 181 | break; |
WiredHome | 8:262583f054f6 | 182 | |
WiredHome | 3:17928786bdb5 | 183 | case Idle: |
WiredHome | 10:9c8d2c6a3469 | 184 | PerformanceTimer.reset(); |
WiredHome | 3:17928786bdb5 | 185 | bPtr = headerbuffer; |
WiredHome | 11:17d84c41a7b3 | 186 | if (0 == server->accept(client)) { |
WiredHome | 3:17928786bdb5 | 187 | op = Receiving; |
WiredHome | 10:9c8d2c6a3469 | 188 | t_ref = PerformanceTimer.read_us(); |
WiredHome | 8:262583f054f6 | 189 | #ifdef DEBUG |
WiredHome | 8:262583f054f6 | 190 | pc->printf("Accept at %d\r\n", t_ref); |
WiredHome | 8:262583f054f6 | 191 | #endif |
WiredHome | 3:17928786bdb5 | 192 | } |
WiredHome | 0:729320f63c5c | 193 | break; |
WiredHome | 8:262583f054f6 | 194 | |
WiredHome | 3:17928786bdb5 | 195 | case Receiving: |
WiredHome | 3:17928786bdb5 | 196 | n = client.receive(bPtr, headerbuffersize - (bPtr - headerbuffer)); |
WiredHome | 3:17928786bdb5 | 197 | if (n < 0) { |
WiredHome | 9:2ea342765c9d | 198 | #ifdef DEBUG |
WiredHome | 8:262583f054f6 | 199 | pc->printf("*** client.receive() => %d\r\n", n); |
WiredHome | 9:2ea342765c9d | 200 | #endif |
WiredHome | 3:17928786bdb5 | 201 | } else if (n) { |
WiredHome | 3:17928786bdb5 | 202 | bPtr[n] = '\0'; |
WiredHome | 3:17928786bdb5 | 203 | if (ParseHeader(headerbuffer)) { |
WiredHome | 3:17928786bdb5 | 204 | op = Sending; |
WiredHome | 3:17928786bdb5 | 205 | t_ref = RecordPerformanceData(&perfData.Header, t_ref); |
WiredHome | 3:17928786bdb5 | 206 | } |
WiredHome | 3:17928786bdb5 | 207 | bPtr += n; |
WiredHome | 0:729320f63c5c | 208 | } |
WiredHome | 0:729320f63c5c | 209 | break; |
WiredHome | 8:262583f054f6 | 210 | |
WiredHome | 0:729320f63c5c | 211 | case Sending: |
WiredHome | 3:17928786bdb5 | 212 | SendResponse(); |
WiredHome | 0:729320f63c5c | 213 | op = WaitingToClose; |
WiredHome | 3:17928786bdb5 | 214 | RecordPerformanceData(&perfData.SendData, t_ref); |
WiredHome | 0:729320f63c5c | 215 | break; |
WiredHome | 9:2ea342765c9d | 216 | |
WiredHome | 0:729320f63c5c | 217 | case WaitingToClose: |
WiredHome | 3:17928786bdb5 | 218 | close_connection(); |
WiredHome | 0:729320f63c5c | 219 | op = Idle; |
WiredHome | 0:729320f63c5c | 220 | break; |
WiredHome | 0:729320f63c5c | 221 | } |
WiredHome | 0:729320f63c5c | 222 | } |
WiredHome | 0:729320f63c5c | 223 | |
WiredHome | 0:729320f63c5c | 224 | |
WiredHome | 0:729320f63c5c | 225 | const char * HTTPServer::GetSupportedType(const char * filename) |
WiredHome | 0:729320f63c5c | 226 | { |
WiredHome | 0:729320f63c5c | 227 | int i; |
WiredHome | 0:729320f63c5c | 228 | int buflen = strlen(filename); |
WiredHome | 0:729320f63c5c | 229 | int extlen; |
WiredHome | 0:729320f63c5c | 230 | |
WiredHome | 0:729320f63c5c | 231 | for (i=0; extensions[i].ext != 0; i++) { |
WiredHome | 0:729320f63c5c | 232 | extlen = strlen(extensions[i].ext); |
WiredHome | 0:729320f63c5c | 233 | if ( !strncmp(&filename[buflen-extlen], extensions[i].ext, extlen)) { |
WiredHome | 0:729320f63c5c | 234 | return extensions[i].filetype; |
WiredHome | 0:729320f63c5c | 235 | } |
WiredHome | 0:729320f63c5c | 236 | } |
WiredHome | 0:729320f63c5c | 237 | return NULL; |
WiredHome | 0:729320f63c5c | 238 | } |
WiredHome | 0:729320f63c5c | 239 | |
WiredHome | 3:17928786bdb5 | 240 | |
WiredHome | 0:729320f63c5c | 241 | void HTTPServer::send(const char * msg, int bytes) |
WiredHome | 0:729320f63c5c | 242 | { |
WiredHome | 0:729320f63c5c | 243 | if (bytes == -1) |
WiredHome | 0:729320f63c5c | 244 | bytes = strlen(msg); |
WiredHome | 0:729320f63c5c | 245 | wifly->send(msg, bytes); |
WiredHome | 0:729320f63c5c | 246 | } |
WiredHome | 0:729320f63c5c | 247 | |
WiredHome | 3:17928786bdb5 | 248 | |
WiredHome | 0:729320f63c5c | 249 | bool HTTPServer::SendFile(const char * filename, const char * filetype) |
WiredHome | 0:729320f63c5c | 250 | { |
WiredHome | 0:729320f63c5c | 251 | FILE * fp; |
WiredHome | 3:17928786bdb5 | 252 | |
WiredHome | 0:729320f63c5c | 253 | fp = fopen(filename,"rb"); |
WiredHome | 0:729320f63c5c | 254 | if (fp) { // can open it |
WiredHome | 8:262583f054f6 | 255 | char *fbuffer = (char *)mymalloc(FILESEND_BUF_SIZE); |
WiredHome | 0:729320f63c5c | 256 | int bytes; |
WiredHome | 0:729320f63c5c | 257 | |
WiredHome | 3:17928786bdb5 | 258 | if (fbuffer) { |
WiredHome | 3:17928786bdb5 | 259 | header(200, "OK", filetype); |
WiredHome | 0:729320f63c5c | 260 | bytes = fread(fbuffer,sizeof(char),FILESEND_BUF_SIZE,fp); |
WiredHome | 3:17928786bdb5 | 261 | while (bytes > 0) { |
WiredHome | 3:17928786bdb5 | 262 | send(fbuffer, bytes); |
WiredHome | 3:17928786bdb5 | 263 | bytes = fread(fbuffer,sizeof(char),FILESEND_BUF_SIZE,fp); |
WiredHome | 3:17928786bdb5 | 264 | } |
WiredHome | 8:262583f054f6 | 265 | myfree(fbuffer); |
WiredHome | 3:17928786bdb5 | 266 | } else { |
WiredHome | 3:17928786bdb5 | 267 | header(500, "Server Error", "Pragma: err - insufficient memory\r\n"); |
WiredHome | 0:729320f63c5c | 268 | } |
WiredHome | 0:729320f63c5c | 269 | fclose(fp); |
WiredHome | 0:729320f63c5c | 270 | return true; |
WiredHome | 0:729320f63c5c | 271 | } else { |
WiredHome | 3:17928786bdb5 | 272 | header(404, "Not Found", "Pragma: err - Can't open file\r\n"); |
WiredHome | 0:729320f63c5c | 273 | return false; |
WiredHome | 0:729320f63c5c | 274 | } |
WiredHome | 0:729320f63c5c | 275 | } |
WiredHome | 0:729320f63c5c | 276 | |
WiredHome | 0:729320f63c5c | 277 | int HTTPServer::HexCharToInt(char c) |
WiredHome | 0:729320f63c5c | 278 | { |
WiredHome | 0:729320f63c5c | 279 | if (c >= 'a' && c <= 'f') |
WiredHome | 0:729320f63c5c | 280 | return (c - 'a' + 10); |
WiredHome | 0:729320f63c5c | 281 | else if (c >= 'A' && c <= 'F') |
WiredHome | 0:729320f63c5c | 282 | return (c - 'A' + 10); |
WiredHome | 0:729320f63c5c | 283 | else if (c >= '0' && c <= '9') |
WiredHome | 0:729320f63c5c | 284 | return c - '0'; |
WiredHome | 0:729320f63c5c | 285 | else |
WiredHome | 0:729320f63c5c | 286 | return 0; |
WiredHome | 0:729320f63c5c | 287 | } |
WiredHome | 0:729320f63c5c | 288 | |
WiredHome | 0:729320f63c5c | 289 | char HTTPServer::HexPairToChar(char * p) |
WiredHome | 0:729320f63c5c | 290 | { |
WiredHome | 0:729320f63c5c | 291 | return 16 * HexCharToInt(*p) + HexCharToInt(*(p+1)); |
WiredHome | 0:729320f63c5c | 292 | } |
WiredHome | 0:729320f63c5c | 293 | |
WiredHome | 0:729320f63c5c | 294 | void HTTPServer::UnescapeString(char * encoded) |
WiredHome | 0:729320f63c5c | 295 | { |
WiredHome | 0:729320f63c5c | 296 | char *p; |
WiredHome | 0:729320f63c5c | 297 | |
WiredHome | 0:729320f63c5c | 298 | // first convert '+' to ' ' |
WiredHome | 0:729320f63c5c | 299 | p = strchr(encoded, '+'); |
WiredHome | 0:729320f63c5c | 300 | while (p) { |
WiredHome | 0:729320f63c5c | 301 | *p = ' '; |
WiredHome | 0:729320f63c5c | 302 | p = strchr(encoded, '+'); |
WiredHome | 0:729320f63c5c | 303 | } |
WiredHome | 0:729320f63c5c | 304 | // then convert hex '%xx' to char 'x' |
WiredHome | 0:729320f63c5c | 305 | p = strchr(encoded, '%'); |
WiredHome | 0:729320f63c5c | 306 | while (p) { |
WiredHome | 0:729320f63c5c | 307 | if (strchr("0123456789ABCDEFabcdef", *(p+1)) |
WiredHome | 0:729320f63c5c | 308 | && strchr("0123456789ABCDEFabcdef", *(p+2)) ) { |
WiredHome | 0:729320f63c5c | 309 | *p = HexPairToChar(p+1); |
WiredHome | 0:729320f63c5c | 310 | p++; // advance past the % |
WiredHome | 0:729320f63c5c | 311 | char * a = p; |
WiredHome | 0:729320f63c5c | 312 | char * b = p + 2; |
WiredHome | 0:729320f63c5c | 313 | do { |
WiredHome | 0:729320f63c5c | 314 | *a++ = *b++; |
WiredHome | 0:729320f63c5c | 315 | } while (*b); |
WiredHome | 0:729320f63c5c | 316 | *a = '\0'; |
WiredHome | 0:729320f63c5c | 317 | } |
WiredHome | 0:729320f63c5c | 318 | p = strchr(p, '%'); |
WiredHome | 0:729320f63c5c | 319 | } |
WiredHome | 0:729320f63c5c | 320 | } |
WiredHome | 0:729320f63c5c | 321 | |
WiredHome | 0:729320f63c5c | 322 | const char * HTTPServer::GetParameter(const char * name) |
WiredHome | 0:729320f63c5c | 323 | { |
WiredHome | 13:8975d7928678 | 324 | for (int i=0; i<queryParamCount; i++) { |
WiredHome | 13:8975d7928678 | 325 | if (strcmp(queryParams[i].name, name) == 0) { |
WiredHome | 13:8975d7928678 | 326 | return queryParams[i].value; |
WiredHome | 0:729320f63c5c | 327 | } |
WiredHome | 0:729320f63c5c | 328 | } |
WiredHome | 0:729320f63c5c | 329 | return NULL; |
WiredHome | 0:729320f63c5c | 330 | } |
WiredHome | 0:729320f63c5c | 331 | |
WiredHome | 0:729320f63c5c | 332 | // this=that&who=what&more=stuff... |
WiredHome | 0:729320f63c5c | 333 | // ^ ^ ^ |
WiredHome | 3:17928786bdb5 | 334 | void HTTPServer::ParseParameters(char * pName) |
WiredHome | 0:729320f63c5c | 335 | { |
WiredHome | 0:729320f63c5c | 336 | char * pVal; |
WiredHome | 0:729320f63c5c | 337 | char * pNextName; |
WiredHome | 0:729320f63c5c | 338 | |
WiredHome | 13:8975d7928678 | 339 | // Parse queryParams |
WiredHome | 0:729320f63c5c | 340 | pVal = strchr(pName, '#'); // If there is a '#fragment_id', we can ignore it |
WiredHome | 0:729320f63c5c | 341 | if (pVal) |
WiredHome | 3:17928786bdb5 | 342 | *pVal = '\0'; |
WiredHome | 0:729320f63c5c | 343 | do { |
WiredHome | 13:8975d7928678 | 344 | queryParams[queryParamCount].name = pName; |
WiredHome | 0:729320f63c5c | 345 | pVal = strchr(pName, '='); |
WiredHome | 0:729320f63c5c | 346 | pNextName = strchr(pName,'&'); |
WiredHome | 0:729320f63c5c | 347 | if (pVal) { |
WiredHome | 0:729320f63c5c | 348 | if (pNextName == NULL || (pNextName && pNextName > pVal)) { |
WiredHome | 0:729320f63c5c | 349 | *pVal++ = '\0'; |
WiredHome | 13:8975d7928678 | 350 | queryParams[queryParamCount].value = pVal; |
WiredHome | 0:729320f63c5c | 351 | pName = pVal; |
WiredHome | 0:729320f63c5c | 352 | } |
WiredHome | 0:729320f63c5c | 353 | } |
WiredHome | 13:8975d7928678 | 354 | queryParamCount++; |
WiredHome | 0:729320f63c5c | 355 | if (pNextName) { |
WiredHome | 0:729320f63c5c | 356 | pName = pNextName; |
WiredHome | 0:729320f63c5c | 357 | *pName++ = '\0'; |
WiredHome | 0:729320f63c5c | 358 | } else { |
WiredHome | 0:729320f63c5c | 359 | pName = NULL; |
WiredHome | 0:729320f63c5c | 360 | } |
WiredHome | 13:8975d7928678 | 361 | } while (pName && queryParamCount < maxqueryParams); |
WiredHome | 0:729320f63c5c | 362 | } |
WiredHome | 0:729320f63c5c | 363 | |
WiredHome | 0:729320f63c5c | 364 | |
WiredHome | 5:c9b27e718054 | 365 | bool HTTPServer::GetRemoteAddr(char * str, int strSize) |
WiredHome | 0:729320f63c5c | 366 | { |
WiredHome | 0:729320f63c5c | 367 | bool res = false; |
WiredHome | 0:729320f63c5c | 368 | char *p; |
WiredHome | 0:729320f63c5c | 369 | |
WiredHome | 4:f34642902056 | 370 | if (strSize < 16) { // Can only guard it here w/o modifying Wifly class |
WiredHome | 3:17928786bdb5 | 371 | *str = '\0'; |
WiredHome | 5:c9b27e718054 | 372 | return res; |
WiredHome | 3:17928786bdb5 | 373 | } |
WiredHome | 5:c9b27e718054 | 374 | res = wifly->sendCommand("show z\r", NULL, str, strSize); |
WiredHome | 0:729320f63c5c | 375 | if (res) { |
WiredHome | 0:729320f63c5c | 376 | p = strchr(str, '\n'); // truncate after the octets. |
WiredHome | 0:729320f63c5c | 377 | if (p) *p = '\0'; |
WiredHome | 0:729320f63c5c | 378 | p = strchr(str, ' '); // or a space |
WiredHome | 0:729320f63c5c | 379 | if (p) *p = '\0'; |
WiredHome | 0:729320f63c5c | 380 | p = strchr(str, '<'); // or a < |
WiredHome | 0:729320f63c5c | 381 | if (p) *p = '\0'; |
WiredHome | 5:c9b27e718054 | 382 | res = true; |
WiredHome | 0:729320f63c5c | 383 | } |
WiredHome | 0:729320f63c5c | 384 | wifly->exit(); |
WiredHome | 5:c9b27e718054 | 385 | return res; |
WiredHome | 0:729320f63c5c | 386 | } |
WiredHome | 0:729320f63c5c | 387 | |
WiredHome | 0:729320f63c5c | 388 | |
WiredHome | 0:729320f63c5c | 389 | void HTTPServer::header(int code, const char * code_text, const char * content_type, const char * optional_text) |
WiredHome | 0:729320f63c5c | 390 | { |
WiredHome | 0:729320f63c5c | 391 | char http[100]; |
WiredHome | 0:729320f63c5c | 392 | |
WiredHome | 0:729320f63c5c | 393 | sprintf(http, "%s %i %s\r\n", hdr_httpver, code, code_text); |
WiredHome | 0:729320f63c5c | 394 | send(http); |
WiredHome | 0:729320f63c5c | 395 | send(hdr_age); |
WiredHome | 0:729320f63c5c | 396 | send(hdr_server); |
WiredHome | 0:729320f63c5c | 397 | if (content_type) { |
WiredHome | 0:729320f63c5c | 398 | send(content_type); |
WiredHome | 0:729320f63c5c | 399 | } |
WiredHome | 0:729320f63c5c | 400 | if (optional_text) { |
WiredHome | 0:729320f63c5c | 401 | send(optional_text); |
WiredHome | 0:729320f63c5c | 402 | } |
WiredHome | 2:a29c32190037 | 403 | send(hdr_dnt); |
WiredHome | 0:729320f63c5c | 404 | send(hdr_close); |
WiredHome | 0:729320f63c5c | 405 | send(nl); |
WiredHome | 0:729320f63c5c | 406 | } |
WiredHome | 0:729320f63c5c | 407 | |
WiredHome | 14:19c5f6151319 | 408 | |
WiredHome | 7:99ad7a67f05e | 409 | bool HTTPServer::close_connection() |
WiredHome | 0:729320f63c5c | 410 | { |
WiredHome | 7:99ad7a67f05e | 411 | bool res; |
WiredHome | 7:99ad7a67f05e | 412 | |
WiredHome | 14:19c5f6151319 | 413 | res = server->close(); |
WiredHome | 7:99ad7a67f05e | 414 | #ifdef DEBUG |
WiredHome | 7:99ad7a67f05e | 415 | pc->printf("close connection returned %d\r\n", res); |
WiredHome | 0:729320f63c5c | 416 | #endif |
WiredHome | 7:99ad7a67f05e | 417 | return res; |
WiredHome | 0:729320f63c5c | 418 | } |
WiredHome | 0:729320f63c5c | 419 | |
WiredHome | 14:19c5f6151319 | 420 | |
WiredHome | 0:729320f63c5c | 421 | bool HTTPServer::Extract(char * haystack, char * needle, char ** string) |
WiredHome | 0:729320f63c5c | 422 | { |
WiredHome | 0:729320f63c5c | 423 | bool ret = false; // assume failure until proven otherwise |
WiredHome | 0:729320f63c5c | 424 | char * qs = NULL; |
WiredHome | 0:729320f63c5c | 425 | char * eqs = NULL; |
WiredHome | 0:729320f63c5c | 426 | char * container = NULL; |
WiredHome | 0:729320f63c5c | 427 | char * get = strstr(haystack, needle); // what if not at the front? |
WiredHome | 0:729320f63c5c | 428 | if (get) { |
WiredHome | 0:729320f63c5c | 429 | // Seems to be a valid "...GET /QueryString HTTP/1.1" |
WiredHome | 8:262583f054f6 | 430 | // or "...<needle>param..." |
WiredHome | 0:729320f63c5c | 431 | qs = get + strlen(needle); // in case the needle didn't have space delimiters |
WiredHome | 0:729320f63c5c | 432 | while (*qs == ' ') |
WiredHome | 0:729320f63c5c | 433 | qs++; |
WiredHome | 0:729320f63c5c | 434 | // /QueryString\0HTTP/1.1\0\0 |
WiredHome | 0:729320f63c5c | 435 | if (*string) // recycle old string when working a new one |
WiredHome | 8:262583f054f6 | 436 | myfree(*string); |
WiredHome | 8:262583f054f6 | 437 | container = (char *)mymalloc(strlen(qs)); |
WiredHome | 0:729320f63c5c | 438 | if (container) { |
WiredHome | 0:729320f63c5c | 439 | strcpy(container, qs); |
WiredHome | 0:729320f63c5c | 440 | eqs = strchr(container, ' '); |
WiredHome | 0:729320f63c5c | 441 | if (eqs) |
WiredHome | 0:729320f63c5c | 442 | *eqs = '\0'; |
WiredHome | 0:729320f63c5c | 443 | *string = container; |
WiredHome | 8:262583f054f6 | 444 | #ifdef DEBUG |
WiredHome | 8:262583f054f6 | 445 | pc->printf("Extract(%s) = %s\r\n", needle, container); |
WiredHome | 8:262583f054f6 | 446 | #endif |
WiredHome | 0:729320f63c5c | 447 | ret = true; |
WiredHome | 0:729320f63c5c | 448 | } else { |
WiredHome | 0:729320f63c5c | 449 | *string = NULL; // something bad happened... no memory |
WiredHome | 0:729320f63c5c | 450 | } |
WiredHome | 0:729320f63c5c | 451 | } |
WiredHome | 0:729320f63c5c | 452 | return ret; |
WiredHome | 0:729320f63c5c | 453 | } |
WiredHome | 0:729320f63c5c | 454 | |
WiredHome | 14:19c5f6151319 | 455 | |
WiredHome | 0:729320f63c5c | 456 | char * HTTPServer::rewriteWithDefaultFile(char * queryString) |
WiredHome | 0:729320f63c5c | 457 | { |
WiredHome | 8:262583f054f6 | 458 | char * temp = (char *)mymalloc(strlen(queryString) + strlen(DEFAULT_FILENAME) + 1); |
WiredHome | 0:729320f63c5c | 459 | |
WiredHome | 0:729320f63c5c | 460 | if (temp) { |
WiredHome | 0:729320f63c5c | 461 | *temp = '\0'; |
WiredHome | 0:729320f63c5c | 462 | strcpy(temp, queryString); |
WiredHome | 0:729320f63c5c | 463 | strcat(temp, DEFAULT_FILENAME); |
WiredHome | 8:262583f054f6 | 464 | myfree(queryString); |
WiredHome | 0:729320f63c5c | 465 | return temp; |
WiredHome | 0:729320f63c5c | 466 | } else { |
WiredHome | 0:729320f63c5c | 467 | return queryString; |
WiredHome | 0:729320f63c5c | 468 | } |
WiredHome | 0:729320f63c5c | 469 | } |
WiredHome | 0:729320f63c5c | 470 | |
WiredHome | 14:19c5f6151319 | 471 | |
WiredHome | 0:729320f63c5c | 472 | char * HTTPServer::rewritePrependWebroot(char * queryString) |
WiredHome | 0:729320f63c5c | 473 | { |
WiredHome | 8:262583f054f6 | 474 | char * temp = (char *)mymalloc(strlen(webroot) + strlen(queryString) + 1); |
WiredHome | 0:729320f63c5c | 475 | |
WiredHome | 0:729320f63c5c | 476 | if (temp) { |
WiredHome | 0:729320f63c5c | 477 | *temp = '\0'; |
WiredHome | 0:729320f63c5c | 478 | strcpy(temp, webroot); |
WiredHome | 0:729320f63c5c | 479 | if (temp[strlen(temp)-1] == '/' && *queryString == '/') |
WiredHome | 0:729320f63c5c | 480 | temp[strlen(temp)-1] = '\0'; |
WiredHome | 0:729320f63c5c | 481 | strcat(temp, queryString); |
WiredHome | 8:262583f054f6 | 482 | myfree(queryString); |
WiredHome | 0:729320f63c5c | 483 | return temp; |
WiredHome | 0:729320f63c5c | 484 | } else { |
WiredHome | 0:729320f63c5c | 485 | return queryString; |
WiredHome | 0:729320f63c5c | 486 | } |
WiredHome | 0:729320f63c5c | 487 | } |
WiredHome | 0:729320f63c5c | 488 | |
WiredHome | 14:19c5f6151319 | 489 | |
WiredHome | 3:17928786bdb5 | 490 | bool HTTPServer::CheckDynamicHandlers() |
WiredHome | 3:17928786bdb5 | 491 | { |
WiredHome | 3:17928786bdb5 | 492 | bool regHandled = false; |
WiredHome | 0:729320f63c5c | 493 | |
WiredHome | 3:17928786bdb5 | 494 | // If this queryString is in the list of registered handlers, call that |
WiredHome | 3:17928786bdb5 | 495 | for (int i=0; i<handlercount; i++) { |
WiredHome | 3:17928786bdb5 | 496 | if (strcmp(handlers[i].path, queryString) == 0) { |
WiredHome | 13:8975d7928678 | 497 | (*handlers[i].callback)(this, SEND_PAGE, queryString, queryParams, queryParamCount); |
WiredHome | 3:17928786bdb5 | 498 | regHandled = true; |
WiredHome | 3:17928786bdb5 | 499 | break; // we only execute the first one |
WiredHome | 3:17928786bdb5 | 500 | } |
WiredHome | 3:17928786bdb5 | 501 | } |
WiredHome | 3:17928786bdb5 | 502 | return regHandled; |
WiredHome | 3:17928786bdb5 | 503 | } |
WiredHome | 3:17928786bdb5 | 504 | |
WiredHome | 14:19c5f6151319 | 505 | |
WiredHome | 3:17928786bdb5 | 506 | void HTTPServer::SendResponse() |
WiredHome | 3:17928786bdb5 | 507 | { |
WiredHome | 8:262583f054f6 | 508 | #ifdef DEBUG |
WiredHome | 8:262583f054f6 | 509 | pc->printf("SendResponse(%s) [%d]\r\n", queryType, __LINE__); |
WiredHome | 8:262583f054f6 | 510 | #endif |
WiredHome | 3:17928786bdb5 | 511 | if (strcmp(queryType, "GET") == 0 || strcmp(queryType, "POST") == 0) { |
WiredHome | 3:17928786bdb5 | 512 | if (!(queryString[0] == '.' && queryString[1] == '.')) { |
WiredHome | 3:17928786bdb5 | 513 | const char * fType; |
WiredHome | 3:17928786bdb5 | 514 | |
WiredHome | 8:262583f054f6 | 515 | #ifdef DEBUG |
WiredHome | 8:262583f054f6 | 516 | pc->printf(" SendResponse() [%d]\r\n", __LINE__); |
WiredHome | 8:262583f054f6 | 517 | #endif |
WiredHome | 3:17928786bdb5 | 518 | if (!CheckDynamicHandlers()) { |
WiredHome | 3:17928786bdb5 | 519 | // Otherwise, this queryString must be trying to reference a static file |
WiredHome | 3:17928786bdb5 | 520 | if (queryString[strlen(queryString)-1] == '/') { |
WiredHome | 3:17928786bdb5 | 521 | queryString = rewriteWithDefaultFile(queryString); |
WiredHome | 3:17928786bdb5 | 522 | } |
WiredHome | 3:17928786bdb5 | 523 | // see if we support this file type |
WiredHome | 3:17928786bdb5 | 524 | fType = GetSupportedType(queryString); |
WiredHome | 3:17928786bdb5 | 525 | if (fType) { |
WiredHome | 3:17928786bdb5 | 526 | queryString = rewritePrependWebroot(queryString); |
WiredHome | 3:17928786bdb5 | 527 | SendFile(queryString, fType); |
WiredHome | 3:17928786bdb5 | 528 | } else { |
WiredHome | 3:17928786bdb5 | 529 | //pc->printf("Unsupported file type %s\r\n", queryString); |
WiredHome | 3:17928786bdb5 | 530 | header(404, "Not Found", "Pragma: err - Unsupported type\r\n"); |
WiredHome | 3:17928786bdb5 | 531 | } |
WiredHome | 3:17928786bdb5 | 532 | } |
WiredHome | 3:17928786bdb5 | 533 | } else { |
WiredHome | 3:17928786bdb5 | 534 | //pc->printf("Unsupported path %s\r\n", queryString); |
WiredHome | 3:17928786bdb5 | 535 | header(400, "Bad Request", "Pragma: err - Unsupported path\r\n"); |
WiredHome | 3:17928786bdb5 | 536 | } |
WiredHome | 3:17928786bdb5 | 537 | } else { |
WiredHome | 3:17928786bdb5 | 538 | //pc->printf("Unsupported query type %s\r\n", queryType); |
WiredHome | 3:17928786bdb5 | 539 | header(400, "Bad Request", "Pragma: err - Unsupported query type\r\n"); |
WiredHome | 3:17928786bdb5 | 540 | } |
WiredHome | 3:17928786bdb5 | 541 | if (queryType) { |
WiredHome | 8:262583f054f6 | 542 | myfree(queryType); |
WiredHome | 3:17928786bdb5 | 543 | queryType = NULL; |
WiredHome | 3:17928786bdb5 | 544 | } |
WiredHome | 3:17928786bdb5 | 545 | if (queryString) { |
WiredHome | 8:262583f054f6 | 546 | myfree(queryString); |
WiredHome | 3:17928786bdb5 | 547 | queryString = NULL; |
WiredHome | 3:17928786bdb5 | 548 | } |
WiredHome | 3:17928786bdb5 | 549 | if (postQueryString) { |
WiredHome | 8:262583f054f6 | 550 | myfree(postQueryString); |
WiredHome | 3:17928786bdb5 | 551 | postQueryString = NULL; |
WiredHome | 3:17928786bdb5 | 552 | } |
WiredHome | 3:17928786bdb5 | 553 | } |
WiredHome | 3:17928786bdb5 | 554 | |
WiredHome | 14:19c5f6151319 | 555 | |
WiredHome | 3:17928786bdb5 | 556 | bool HTTPServer::ParseHeader(char * buffer) |
WiredHome | 3:17928786bdb5 | 557 | { |
WiredHome | 3:17928786bdb5 | 558 | char * dblCR; |
WiredHome | 3:17928786bdb5 | 559 | bool advanceState = false; |
WiredHome | 3:17928786bdb5 | 560 | int bytecount; |
WiredHome | 7:99ad7a67f05e | 561 | |
WiredHome | 3:17928786bdb5 | 562 | // Buffer could have partial, but the double \r\n is the key |
WiredHome | 13:8975d7928678 | 563 | // GET /QueryString?this=that&sky=blue HTTP/1.1\r\n |
WiredHome | 8:262583f054f6 | 564 | // GET /QueryString HTTP/1.1\r\nHost: 192.168.1.140\r\nCache-Con |
WiredHome | 8:262583f054f6 | 565 | // GET /QueryString HTTP/1.1\r\nHost: 192.168.1.140\r\nCache-Control: max-age=0\r\n\r\n |
WiredHome | 3:17928786bdb5 | 566 | dblCR = strstr(buffer,"\r\n\r\n"); |
WiredHome | 3:17928786bdb5 | 567 | if (dblCR) { // Have to scan from the beginning in case split on \r |
WiredHome | 8:262583f054f6 | 568 | #ifdef DEBUG |
WiredHome | 8:262583f054f6 | 569 | pc->printf("==\r\n%s==\r\n", buffer); |
WiredHome | 3:17928786bdb5 | 570 | #endif |
WiredHome | 3:17928786bdb5 | 571 | char * soRec = buffer; // start of the next record of text |
WiredHome | 13:8975d7928678 | 572 | char * eoRec = strchr(soRec, '\n'); // search for end of the current record |
WiredHome | 7:99ad7a67f05e | 573 | |
WiredHome | 13:8975d7928678 | 574 | headerParamCount = 0; |
WiredHome | 3:17928786bdb5 | 575 | bytecount = strlen(buffer); |
WiredHome | 3:17928786bdb5 | 576 | if (bytecount > maxheaderbytes) |
WiredHome | 3:17928786bdb5 | 577 | maxheaderbytes = bytecount; |
WiredHome | 3:17928786bdb5 | 578 | while (eoRec) { |
WiredHome | 3:17928786bdb5 | 579 | *eoRec = '\0'; |
WiredHome | 3:17928786bdb5 | 580 | if (*(eoRec-1) == '\r') |
WiredHome | 3:17928786bdb5 | 581 | *(eoRec-1) = '\0'; |
WiredHome | 8:262583f054f6 | 582 | // Inspect the supported query types (GET, POST) and ignore (HEAD, PUT, OPTION, DELETE, TRACE, CONNECT] |
WiredHome | 8:262583f054f6 | 583 | // This is very clumsy |
WiredHome | 8:262583f054f6 | 584 | if (strstr(soRec, "GET ") == soRec) { |
WiredHome | 8:262583f054f6 | 585 | Extract(soRec, "GET", &queryString); |
WiredHome | 8:262583f054f6 | 586 | if (queryString) { |
WiredHome | 8:262583f054f6 | 587 | queryType = (char *)mymalloc(strlen("GET")+1); |
WiredHome | 8:262583f054f6 | 588 | strcpy(queryType, "GET"); |
WiredHome | 8:262583f054f6 | 589 | } |
WiredHome | 8:262583f054f6 | 590 | } else if (strstr(soRec, "POST ") == soRec) { |
WiredHome | 8:262583f054f6 | 591 | Extract(soRec, "POST", &queryString); |
WiredHome | 8:262583f054f6 | 592 | if (queryString) { |
WiredHome | 8:262583f054f6 | 593 | queryType = (char *)mymalloc(strlen("POST")+1); |
WiredHome | 8:262583f054f6 | 594 | strcpy(queryType, "POST"); |
WiredHome | 8:262583f054f6 | 595 | } |
WiredHome | 10:9c8d2c6a3469 | 596 | } |
WiredHome | 13:8975d7928678 | 597 | |
WiredHome | 13:8975d7928678 | 598 | // if there is a ": " delimiter, we have a header item to parse into name,value pair |
WiredHome | 13:8975d7928678 | 599 | // "Connection: keep-alive" becomes "Connection" "keep-alive" |
WiredHome | 13:8975d7928678 | 600 | char *delim = strstr(soRec, ": "); |
WiredHome | 13:8975d7928678 | 601 | char *chkSpace = strchr(soRec, ' '); // a field-name has no space ahead of the ":" |
WiredHome | 13:8975d7928678 | 602 | if (delim |
WiredHome | 13:8975d7928678 | 603 | && (!chkSpace || (chkSpace && delim < chkSpace)) |
WiredHome | 13:8975d7928678 | 604 | && headerParamCount < maxheaderParams) { |
WiredHome | 14:19c5f6151319 | 605 | *delim++ = '\0'; // replace ": " with null |
WiredHome | 13:8975d7928678 | 606 | *delim++ = '\0'; |
WiredHome | 13:8975d7928678 | 607 | headerParams[headerParamCount].name = soRec; |
WiredHome | 13:8975d7928678 | 608 | headerParams[headerParamCount].value = delim; |
WiredHome | 13:8975d7928678 | 609 | #ifdef DEBUG |
WiredHome | 13:8975d7928678 | 610 | pc->printf("%d: headerParams[%s] = {%s}\r\n", headerParamCount, |
WiredHome | 13:8975d7928678 | 611 | headerParams[headerParamCount].name, headerParams[headerParamCount].value); |
WiredHome | 13:8975d7928678 | 612 | #endif |
WiredHome | 13:8975d7928678 | 613 | headerParamCount++; |
WiredHome | 13:8975d7928678 | 614 | } |
WiredHome | 3:17928786bdb5 | 615 | soRec = eoRec + 1; |
WiredHome | 3:17928786bdb5 | 616 | eoRec = strchr(soRec, '\n'); |
WiredHome | 3:17928786bdb5 | 617 | } |
WiredHome | 3:17928786bdb5 | 618 | if (queryString) { |
WiredHome | 3:17928786bdb5 | 619 | // We have enough to try to reply |
WiredHome | 12:109bf1558300 | 620 | #ifdef DEBUG |
WiredHome | 8:262583f054f6 | 621 | pc->printf("create reply queryType{%s}, queryString{%s}\r\n", "GET", queryString); |
WiredHome | 12:109bf1558300 | 622 | #endif |
WiredHome | 13:8975d7928678 | 623 | // parse queryParams - if any |
WiredHome | 3:17928786bdb5 | 624 | // /file.htm?name1=value1&name2=value2... |
WiredHome | 3:17928786bdb5 | 625 | // /file.htm?name1&name2=value2... |
WiredHome | 13:8975d7928678 | 626 | queryParamCount = 0; |
WiredHome | 3:17928786bdb5 | 627 | char * paramDelim = strchr(queryString, '?'); |
WiredHome | 3:17928786bdb5 | 628 | if (paramDelim) { |
WiredHome | 3:17928786bdb5 | 629 | *paramDelim++ = '\0'; |
WiredHome | 3:17928786bdb5 | 630 | UnescapeString(paramDelim); // everything after the '?' |
WiredHome | 13:8975d7928678 | 631 | ParseParameters(paramDelim); // pointing at the NULL, but there are queryParams beyond |
WiredHome | 3:17928786bdb5 | 632 | } |
WiredHome | 3:17928786bdb5 | 633 | } else { |
WiredHome | 10:9c8d2c6a3469 | 634 | pc->printf("ERROR: queryString not found in (%s)\r\n", soRec); |
WiredHome | 3:17928786bdb5 | 635 | } |
WiredHome | 3:17928786bdb5 | 636 | advanceState = true; |
WiredHome | 3:17928786bdb5 | 637 | buffer[0] = 0; |
WiredHome | 3:17928786bdb5 | 638 | |
WiredHome | 3:17928786bdb5 | 639 | // This part parses the extra data on a POST method. |
WiredHome | 3:17928786bdb5 | 640 | // Since there has to be a dynamic handler registered for this |
WiredHome | 3:17928786bdb5 | 641 | // it would make sense to move some of this responsibility to |
WiredHome | 3:17928786bdb5 | 642 | // that handler. It could then choose if it wanted to allocate |
WiredHome | 3:17928786bdb5 | 643 | // the requested 'Content-Length' amount of memory. |
WiredHome | 3:17928786bdb5 | 644 | // Should we check the 'Content-Type' to see if it is |
WiredHome | 3:17928786bdb5 | 645 | // 'application/x-www-form-urlencoded'? |
WiredHome | 13:8975d7928678 | 646 | int postBytes = atoi(GetHeaderValue("Content-Length")); |
WiredHome | 3:17928786bdb5 | 647 | bool acceptIt = false; |
WiredHome | 3:17928786bdb5 | 648 | if (strcmp(queryType, "POST") == 0 && postBytes > 0 ) { |
WiredHome | 3:17928786bdb5 | 649 | if (postBytes) { |
WiredHome | 3:17928786bdb5 | 650 | bool regHandled = false; |
WiredHome | 3:17928786bdb5 | 651 | // Registered Dynamic Handler |
WiredHome | 3:17928786bdb5 | 652 | // Callback and ask if they want to accept this data |
WiredHome | 3:17928786bdb5 | 653 | for (int i=0; i<handlercount; i++) { |
WiredHome | 3:17928786bdb5 | 654 | if (strcmp(handlers[i].path, queryString) == 0) { |
WiredHome | 13:8975d7928678 | 655 | acceptIt = (*handlers[i].callback)(this, CONTENT_LENGTH_REQUEST, queryString, queryParams, queryParamCount); |
WiredHome | 3:17928786bdb5 | 656 | regHandled = true; |
WiredHome | 3:17928786bdb5 | 657 | break; // we only execute the first one |
WiredHome | 3:17928786bdb5 | 658 | } |
WiredHome | 3:17928786bdb5 | 659 | } |
WiredHome | 3:17928786bdb5 | 660 | |
WiredHome | 3:17928786bdb5 | 661 | if (regHandled && acceptIt) { |
WiredHome | 3:17928786bdb5 | 662 | // If so, we'll make space for it |
WiredHome | 8:262583f054f6 | 663 | postQueryString = (char *)mymalloc(postBytes + 1); |
WiredHome | 3:17928786bdb5 | 664 | if (postQueryString) { |
WiredHome | 3:17928786bdb5 | 665 | char * offset; |
WiredHome | 3:17928786bdb5 | 666 | int len; |
WiredHome | 3:17928786bdb5 | 667 | |
WiredHome | 3:17928786bdb5 | 668 | dblCR += 4; // If we slurped up any of the POST, |
WiredHome | 3:17928786bdb5 | 669 | while (*dblCR && *dblCR <= ' ') |
WiredHome | 3:17928786bdb5 | 670 | dblCR++; |
WiredHome | 3:17928786bdb5 | 671 | strcpy(postQueryString, dblCR); // copy that in and then get the rest |
WiredHome | 3:17928786bdb5 | 672 | while ((len = strlen(postQueryString)) < postBytes) { |
WiredHome | 3:17928786bdb5 | 673 | int n; |
WiredHome | 3:17928786bdb5 | 674 | offset = postQueryString + len; |
WiredHome | 3:17928786bdb5 | 675 | n = client.receive(offset, postBytes - len); |
WiredHome | 3:17928786bdb5 | 676 | if (n >=0) { |
WiredHome | 3:17928786bdb5 | 677 | offset[n] = '\0'; |
WiredHome | 3:17928786bdb5 | 678 | } |
WiredHome | 3:17928786bdb5 | 679 | } |
WiredHome | 3:17928786bdb5 | 680 | if (len >= 0) { |
WiredHome | 3:17928786bdb5 | 681 | UnescapeString(postQueryString); |
WiredHome | 3:17928786bdb5 | 682 | ParseParameters(postQueryString); |
WiredHome | 3:17928786bdb5 | 683 | } |
WiredHome | 3:17928786bdb5 | 684 | } |
WiredHome | 3:17928786bdb5 | 685 | } else { |
WiredHome | 3:17928786bdb5 | 686 | // Simply copy it to the bitbucket |
WiredHome | 3:17928786bdb5 | 687 | int bytesToDump = postBytes; |
WiredHome | 8:262583f054f6 | 688 | char * bitbucket = (char *)mymalloc(201); |
WiredHome | 3:17928786bdb5 | 689 | dblCR += 4; |
WiredHome | 3:17928786bdb5 | 690 | while (*dblCR && *dblCR <= ' ') |
WiredHome | 3:17928786bdb5 | 691 | dblCR++; |
WiredHome | 3:17928786bdb5 | 692 | bytesToDump -= strlen(dblCR); |
WiredHome | 3:17928786bdb5 | 693 | while (bytesToDump > 0) { |
WiredHome | 3:17928786bdb5 | 694 | int n = (bytesToDump > 200) ? 200 : bytesToDump; |
WiredHome | 3:17928786bdb5 | 695 | n = client.receive(bitbucket, n); |
WiredHome | 3:17928786bdb5 | 696 | bytesToDump -= n; |
WiredHome | 3:17928786bdb5 | 697 | } |
WiredHome | 8:262583f054f6 | 698 | myfree(bitbucket); |
WiredHome | 3:17928786bdb5 | 699 | } |
WiredHome | 3:17928786bdb5 | 700 | } |
WiredHome | 3:17928786bdb5 | 701 | } |
WiredHome | 3:17928786bdb5 | 702 | } |
WiredHome | 3:17928786bdb5 | 703 | return advanceState; |
WiredHome | 3:17928786bdb5 | 704 | } |
WiredHome | 3:17928786bdb5 | 705 | |
WiredHome | 14:19c5f6151319 | 706 | |
WiredHome | 13:8975d7928678 | 707 | const char * HTTPServer::GetHeaderValue(const char * hdr) |
WiredHome | 13:8975d7928678 | 708 | { |
WiredHome | 13:8975d7928678 | 709 | int i; |
WiredHome | 13:8975d7928678 | 710 | |
WiredHome | 13:8975d7928678 | 711 | for (i=0; i<headerParamCount; i++) |
WiredHome | 13:8975d7928678 | 712 | { |
WiredHome | 13:8975d7928678 | 713 | if (strcmp(hdr, headerParams[i].name) == 0) |
WiredHome | 13:8975d7928678 | 714 | return headerParams[i].value; |
WiredHome | 13:8975d7928678 | 715 | } |
WiredHome | 13:8975d7928678 | 716 | return NULL; |
WiredHome | 13:8975d7928678 | 717 | } |
WiredHome | 13:8975d7928678 | 718 | |
WiredHome | 12:109bf1558300 | 719 | |
WiredHome | 7:99ad7a67f05e | 720 | void HTTPServer::GetPerformanceData(SW_PerformanceData * p) |
WiredHome | 7:99ad7a67f05e | 721 | { |
WiredHome | 3:17928786bdb5 | 722 | memcpy(p, &perfData, sizeof(perfData)); |
WiredHome | 3:17928786bdb5 | 723 | } |
WiredHome | 3:17928786bdb5 | 724 | |
WiredHome | 14:19c5f6151319 | 725 | |
WiredHome | 7:99ad7a67f05e | 726 | int HTTPServer::RecordPerformanceData(SW_PerformanceParam * param, int refTime) |
WiredHome | 7:99ad7a67f05e | 727 | { |
WiredHome | 10:9c8d2c6a3469 | 728 | int t_now = PerformanceTimer.read_us(); |
WiredHome | 3:17928786bdb5 | 729 | param->TotalTime_us += (t_now - refTime); |
WiredHome | 3:17928786bdb5 | 730 | param->Samples++; |
WiredHome | 3:17928786bdb5 | 731 | if ((t_now - refTime) > param->MaxTime_us) |
WiredHome | 3:17928786bdb5 | 732 | param->MaxTime_us = (t_now - refTime); |
WiredHome | 3:17928786bdb5 | 733 | return t_now; |
WiredHome | 3:17928786bdb5 | 734 | } |
WiredHome | 3:17928786bdb5 | 735 | |
WiredHome | 14:19c5f6151319 | 736 | |
WiredHome | 7:99ad7a67f05e | 737 | void HTTPServer::ResetPerformanceData() |
WiredHome | 7:99ad7a67f05e | 738 | { |
WiredHome | 3:17928786bdb5 | 739 | memset(&perfData, 0, sizeof(perfData)); |
WiredHome | 3:17928786bdb5 | 740 | } |
WiredHome | 3:17928786bdb5 | 741 | |
WiredHome | 4:f34642902056 | 742 |