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@58:5303e962f711, 2018-11-18 (annotated)
- Committer:
- WiredHome
- Date:
- Sun Nov 18 04:04:16 2018 +0000
- Revision:
- 58:5303e962f711
- Parent:
- 57:fb81057b4d77
- Child:
- 59:9a71ac02c782
Use secure versions of strcpy, strcat.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
WiredHome | 0:729320f63c5c | 1 | // |
WiredHome | 44:71f09e4255f4 | 2 | // @note Copyright © 2014-2016 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 | 58:5303e962f711 | 14 | #include "SW_String.h" // Secure methods and others that were missing |
WiredHome | 29:00116fc9da74 | 15 | |
WiredHome | 58:5303e962f711 | 16 | #define DEBUG "HTTP" |
WiredHome | 38:c8fa31e6fe02 | 17 | #include <cstdio> |
WiredHome | 38:c8fa31e6fe02 | 18 | #if (defined(DEBUG) && !defined(TARGET_LPC11U24)) |
WiredHome | 58:5303e962f711 | 19 | #define DBG(x, ...) std::printf("[DBG %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); |
WiredHome | 58:5303e962f711 | 20 | #define WARN(x, ...) std::printf("[WRN %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); |
WiredHome | 58:5303e962f711 | 21 | #define ERR(x, ...) std::printf("[ERR %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); |
WiredHome | 58:5303e962f711 | 22 | #define INFO(x, ...) std::printf("[INF %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); |
WiredHome | 38:c8fa31e6fe02 | 23 | #else |
WiredHome | 38:c8fa31e6fe02 | 24 | #define DBG(x, ...) |
WiredHome | 38:c8fa31e6fe02 | 25 | #define WARN(x, ...) |
WiredHome | 38:c8fa31e6fe02 | 26 | #define ERR(x, ...) |
WiredHome | 38:c8fa31e6fe02 | 27 | #define INFO(x, ...) |
WiredHome | 38:c8fa31e6fe02 | 28 | #endif |
WiredHome | 38:c8fa31e6fe02 | 29 | |
WiredHome | 58:5303e962f711 | 30 | extern void ShowSignOfLife(int which); |
WiredHome | 33:ef165a67ab22 | 31 | |
WiredHome | 31:8f72be717a3c | 32 | #include "SW_HTTPServer.h" // define DEBUG before this |
WiredHome | 27:90a1f5a5392f | 33 | |
WiredHome | 33:ef165a67ab22 | 34 | #define CHUNK_SIZE 1500 // max size of a single chunk (probably limited by Ethernet to 1500) |
WiredHome | 33:ef165a67ab22 | 35 | #define HANG_TIMEOUT_MS 250 // If we're waiting on the host, which may never respond, this is the timeout |
WiredHome | 0:729320f63c5c | 36 | |
WiredHome | 0:729320f63c5c | 37 | const char * DEFAULT_FILENAME = "index.htm"; |
WiredHome | 0:729320f63c5c | 38 | |
WiredHome | 8:262583f054f6 | 39 | // Header information to always send (must be \r\n terminated) |
WiredHome | 44:71f09e4255f4 | 40 | static const char hdr_httpver[] = "HTTP/1.1"; // supported HTTP/1.1 protocol (sort of) |
WiredHome | 44:71f09e4255f4 | 41 | static const char nl[] = "\r\n"; // final \r\n for the termination of the header |
WiredHome | 0:729320f63c5c | 42 | |
WiredHome | 44:71f09e4255f4 | 43 | // Header items that are sent if the user does not provide their own options. |
WiredHome | 44:71f09e4255f4 | 44 | static const char hdr_age[] = "Max-age: 0\r\n"; // expires right away |
WiredHome | 44:71f09e4255f4 | 45 | static const char hdr_server[] = "Server: Smart_Server v0.2\r\n"; // Server |
WiredHome | 44:71f09e4255f4 | 46 | static const char hdr_close[] = "Connection: close\r\n"; // tell the client the server closes the connection immediately |
WiredHome | 14:19c5f6151319 | 47 | |
WiredHome | 0:729320f63c5c | 48 | static const struct { |
WiredHome | 0:729320f63c5c | 49 | char *ext; |
WiredHome | 0:729320f63c5c | 50 | char *filetype; |
WiredHome | 0:729320f63c5c | 51 | } extensions [] = { |
WiredHome | 3:17928786bdb5 | 52 | {".gif", "Content-Type: image/gif\r\n" }, |
WiredHome | 3:17928786bdb5 | 53 | {".jpg", "Content-Type: image/jpeg\r\n" }, |
WiredHome | 3:17928786bdb5 | 54 | {".jpeg","Content-Type: image/jpeg\r\n" }, |
WiredHome | 3:17928786bdb5 | 55 | {".ico", "Content-Type: image/x-icon\r\n" }, |
WiredHome | 33:ef165a67ab22 | 56 | {".bmp", "Content-Type: image/bmp\r\n" }, |
WiredHome | 3:17928786bdb5 | 57 | {".png", "Content-Type: image/png\r\n" }, |
WiredHome | 3:17928786bdb5 | 58 | {".zip", "Content-Type: image/zip\r\n" }, |
WiredHome | 3:17928786bdb5 | 59 | {".gz", "Content-Type: image/gz\r\n" }, |
WiredHome | 3:17928786bdb5 | 60 | {".tar", "Content-Type: image/tar\r\n" }, |
WiredHome | 3:17928786bdb5 | 61 | {".txt", "Content-Type: plain/text\r\n" }, |
WiredHome | 3:17928786bdb5 | 62 | {".pdf", "Content-Type: application/pdf\r\n" }, |
WiredHome | 3:17928786bdb5 | 63 | {".htm", "Content-Type: text/html\r\n" }, |
WiredHome | 3:17928786bdb5 | 64 | {".html","Content-Type: text/html\r\n" }, |
WiredHome | 44:71f09e4255f4 | 65 | {".xml", "Content-Type: text/xml\r\n" }, |
WiredHome | 47:4c29c8f0cff2 | 66 | {".js", "Content-Type: text/javascript\r\n" }, |
WiredHome | 0:729320f63c5c | 67 | {0,0} |
WiredHome | 0:729320f63c5c | 68 | }; |
WiredHome | 0:729320f63c5c | 69 | |
WiredHome | 44:71f09e4255f4 | 70 | typedef struct { |
WiredHome | 44:71f09e4255f4 | 71 | char * queryType; |
WiredHome | 44:71f09e4255f4 | 72 | int notused; |
WiredHome | 44:71f09e4255f4 | 73 | } QueryMethod; |
WiredHome | 44:71f09e4255f4 | 74 | |
WiredHome | 44:71f09e4255f4 | 75 | // Be sure to include a trailing space. |
WiredHome | 44:71f09e4255f4 | 76 | static const QueryMethod QueryMethodList[] = { |
WiredHome | 44:71f09e4255f4 | 77 | {"GET ", 0}, |
WiredHome | 44:71f09e4255f4 | 78 | {"POST ", 0}, |
WiredHome | 44:71f09e4255f4 | 79 | {"HEAD ", 0}, |
WiredHome | 44:71f09e4255f4 | 80 | {"PUT ", 0}, |
WiredHome | 44:71f09e4255f4 | 81 | {"OPTION ", 0}, |
WiredHome | 44:71f09e4255f4 | 82 | {"DELETE ", 0}, |
WiredHome | 44:71f09e4255f4 | 83 | {"TRACE ", 0}, |
WiredHome | 44:71f09e4255f4 | 84 | {"CONNECT ", 0}, |
WiredHome | 44:71f09e4255f4 | 85 | {NULL, 0} |
WiredHome | 44:71f09e4255f4 | 86 | }; |
WiredHome | 44:71f09e4255f4 | 87 | |
WiredHome | 30:864843965b40 | 88 | #if 0 && defined(DEBUG) |
WiredHome | 30:864843965b40 | 89 | // Haven't learned anything from this in a long time, so disabled. |
WiredHome | 12:109bf1558300 | 90 | // This uses standard library dynamic memory management, but for an |
WiredHome | 9:2ea342765c9d | 91 | // embedded system there are alternates that may make better sense - |
WiredHome | 9:2ea342765c9d | 92 | // search the web for embedded system malloc alternates. |
WiredHome | 29:00116fc9da74 | 93 | void * HTTPServer::MyMalloc(int x, int y) |
WiredHome | 8:262583f054f6 | 94 | { |
WiredHome | 29:00116fc9da74 | 95 | pc->printf("[INF HTTP%4d] malloc(%d)\r\n", y, x); |
WiredHome | 8:262583f054f6 | 96 | return malloc(x); |
WiredHome | 8:262583f054f6 | 97 | } |
WiredHome | 29:00116fc9da74 | 98 | char HTTPServer::toP(void * x) |
WiredHome | 11:17d84c41a7b3 | 99 | { |
WiredHome | 11:17d84c41a7b3 | 100 | char * c = (char *) x; |
WiredHome | 30:864843965b40 | 101 | if (*c >= ' ' && *c < 0x7F) // isprint() |
WiredHome | 11:17d84c41a7b3 | 102 | return *c; |
WiredHome | 11:17d84c41a7b3 | 103 | else |
WiredHome | 11:17d84c41a7b3 | 104 | return '.'; |
WiredHome | 11:17d84c41a7b3 | 105 | } |
WiredHome | 8:262583f054f6 | 106 | #define mymalloc(x) MyMalloc(x, __LINE__) |
WiredHome | 8:262583f054f6 | 107 | #define myfree(x) \ |
WiredHome | 25:f7d6df7a700a | 108 | pc->printf("[INF HTTP%4d] free(%02x %02x %02x %02x %02x ... %c%c%c%c%c)\r\n", __LINE__, \ |
WiredHome | 11:17d84c41a7b3 | 109 | *x, *(x+1), *(x+2), *(x+3), *(x+4), \ |
WiredHome | 11:17d84c41a7b3 | 110 | toP(x), toP(x+1), toP(x+2), toP(x+3), toP(x+4) ); \ |
WiredHome | 8:262583f054f6 | 111 | free(x); |
WiredHome | 8:262583f054f6 | 112 | #else |
WiredHome | 8:262583f054f6 | 113 | #define mymalloc(x) malloc(x) |
WiredHome | 8:262583f054f6 | 114 | #define myfree(x) free(x) |
WiredHome | 8:262583f054f6 | 115 | #endif |
WiredHome | 8:262583f054f6 | 116 | |
WiredHome | 58:5303e962f711 | 117 | |
WiredHome | 58:5303e962f711 | 118 | |
WiredHome | 3:17928786bdb5 | 119 | HTTPServer::HTTPServer( |
WiredHome | 7:99ad7a67f05e | 120 | int port, |
WiredHome | 7:99ad7a67f05e | 121 | const char * _webroot, |
WiredHome | 43:3fc773c2986e | 122 | int _maxheaderParams, |
WiredHome | 13:8975d7928678 | 123 | int _maxqueryParams, |
WiredHome | 7:99ad7a67f05e | 124 | int _maxdynamicpages, |
WiredHome | 49:cd391662f254 | 125 | int blockingtime, |
WiredHome | 7:99ad7a67f05e | 126 | PC * _pc, |
WiredHome | 7:99ad7a67f05e | 127 | int _allocforheader, |
WiredHome | 49:cd391662f254 | 128 | int _allocforfile |
WiredHome | 49:cd391662f254 | 129 | ) |
WiredHome | 0:729320f63c5c | 130 | { |
WiredHome | 58:5303e962f711 | 131 | int wrSize = strlen(_webroot)+1; |
WiredHome | 58:5303e962f711 | 132 | |
WiredHome | 58:5303e962f711 | 133 | webroot = (char *)malloc(wrSize); |
WiredHome | 58:5303e962f711 | 134 | strcpy_s(webroot, wrSize, _webroot); |
WiredHome | 27:90a1f5a5392f | 135 | if (strlen(webroot)>1 && webroot[strlen(webroot)-1] == '/') // remove trailing '/' |
WiredHome | 27:90a1f5a5392f | 136 | webroot[strlen(webroot)-1] = '\0'; |
WiredHome | 44:71f09e4255f4 | 137 | filenameAliasList = NULL; |
WiredHome | 43:3fc773c2986e | 138 | maxheaderParams = _maxheaderParams; |
WiredHome | 13:8975d7928678 | 139 | headerParams = (namevalue *)malloc(maxheaderParams * sizeof(namevalue)); |
WiredHome | 39:0427544a5c08 | 140 | |
WiredHome | 39:0427544a5c08 | 141 | maxqueryParams = _maxqueryParams; |
WiredHome | 13:8975d7928678 | 142 | queryParams = (namevalue *)malloc(maxqueryParams * sizeof(namevalue)); |
WiredHome | 39:0427544a5c08 | 143 | queryParamCount = 0; |
WiredHome | 39:0427544a5c08 | 144 | |
WiredHome | 39:0427544a5c08 | 145 | maxPostParams = _maxqueryParams; // Same as Query params, but for post method |
WiredHome | 39:0427544a5c08 | 146 | postParams = (namevalue *)malloc(maxPostParams * sizeof(namevalue)); |
WiredHome | 39:0427544a5c08 | 147 | postParamCount = 0; |
WiredHome | 43:3fc773c2986e | 148 | maxdynamicpages = _maxdynamicpages; |
WiredHome | 0:729320f63c5c | 149 | handlers = (handler *)malloc(maxdynamicpages * sizeof(handler)); |
WiredHome | 3:17928786bdb5 | 150 | headerbuffersize = _allocforheader; |
WiredHome | 3:17928786bdb5 | 151 | headerbuffer = (char *)malloc(headerbuffersize); |
WiredHome | 0:729320f63c5c | 152 | pc = _pc; |
WiredHome | 3:17928786bdb5 | 153 | queryType = NULL; |
WiredHome | 3:17928786bdb5 | 154 | queryString = NULL; |
WiredHome | 3:17928786bdb5 | 155 | postQueryString = NULL; |
WiredHome | 0:729320f63c5c | 156 | handlercount = 0; |
WiredHome | 3:17928786bdb5 | 157 | maxheaderbytes = 0; |
WiredHome | 0:729320f63c5c | 158 | server = new TCPSocketServer(); |
WiredHome | 0:729320f63c5c | 159 | server->bind(port); |
WiredHome | 51:758601b9bacd | 160 | server->listen(5); |
WiredHome | 57:fb81057b4d77 | 161 | server->set_blocking(false, blockingtime); |
WiredHome | 56:df915cb8ba9a | 162 | client.set_blocking(true, blockingtime); //@TODO client is separate from server. any way to combine? |
WiredHome | 3:17928786bdb5 | 163 | ResetPerformanceData(); |
WiredHome | 10:9c8d2c6a3469 | 164 | PerformanceTimer.start(); |
WiredHome | 0:729320f63c5c | 165 | } |
WiredHome | 0:729320f63c5c | 166 | |
WiredHome | 0:729320f63c5c | 167 | HTTPServer::~HTTPServer() |
WiredHome | 0:729320f63c5c | 168 | { |
WiredHome | 8:262583f054f6 | 169 | int i; |
WiredHome | 8:262583f054f6 | 170 | |
WiredHome | 8:262583f054f6 | 171 | for (i=0; i<handlercount; i++) |
WiredHome | 8:262583f054f6 | 172 | myfree(handlers[i].path); |
WiredHome | 8:262583f054f6 | 173 | myfree(headerbuffer); |
WiredHome | 8:262583f054f6 | 174 | myfree(handlers); |
WiredHome | 13:8975d7928678 | 175 | myfree(queryParams); |
WiredHome | 8:262583f054f6 | 176 | myfree(webroot); |
WiredHome | 0:729320f63c5c | 177 | webroot = NULL; |
WiredHome | 0:729320f63c5c | 178 | } |
WiredHome | 0:729320f63c5c | 179 | |
WiredHome | 44:71f09e4255f4 | 180 | void HTTPServer::RegisterFilenameAliasList(const namevalue * namevaluelist) |
WiredHome | 44:71f09e4255f4 | 181 | { |
WiredHome | 44:71f09e4255f4 | 182 | filenameAliasList = namevaluelist; |
WiredHome | 44:71f09e4255f4 | 183 | } |
WiredHome | 44:71f09e4255f4 | 184 | |
WiredHome | 3:17928786bdb5 | 185 | int HTTPServer::GetMaxHeaderSize() |
WiredHome | 3:17928786bdb5 | 186 | { |
WiredHome | 3:17928786bdb5 | 187 | return maxheaderbytes; |
WiredHome | 3:17928786bdb5 | 188 | } |
WiredHome | 3:17928786bdb5 | 189 | |
WiredHome | 0:729320f63c5c | 190 | bool HTTPServer::RegisterHandler(const char * path, Handler callback) |
WiredHome | 0:729320f63c5c | 191 | { |
WiredHome | 0:729320f63c5c | 192 | if (handlercount < maxdynamicpages && path && callback) { |
WiredHome | 8:262583f054f6 | 193 | handlers[handlercount].path = (char *)mymalloc(strlen(path)+1); |
WiredHome | 0:729320f63c5c | 194 | memcpy(handlers[handlercount].path, path, strlen(path)+1); |
WiredHome | 0:729320f63c5c | 195 | handlers[handlercount].callback = callback; |
WiredHome | 0:729320f63c5c | 196 | handlercount++; |
WiredHome | 0:729320f63c5c | 197 | return true; |
WiredHome | 0:729320f63c5c | 198 | } else { |
WiredHome | 0:729320f63c5c | 199 | return false; |
WiredHome | 0:729320f63c5c | 200 | } |
WiredHome | 0:729320f63c5c | 201 | } |
WiredHome | 0:729320f63c5c | 202 | |
WiredHome | 2:a29c32190037 | 203 | // Poll() |
WiredHome | 0:729320f63c5c | 204 | // |
WiredHome | 0:729320f63c5c | 205 | // *OPEN*GET /x=1 HTTP/1.1 |
WiredHome | 0:729320f63c5c | 206 | // Host: 192.168.1.140 |
WiredHome | 0:729320f63c5c | 207 | // Connection: keep-alive |
WiredHome | 0:729320f63c5c | 208 | // Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 |
WiredHome | 0:729320f63c5c | 209 | // 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 | 210 | // Accept-Encoding: gzip,deflate,sdch |
WiredHome | 0:729320f63c5c | 211 | // Accept-Language: en-US,en;q=0.8 |
WiredHome | 0:729320f63c5c | 212 | // |
WiredHome | 2:a29c32190037 | 213 | void HTTPServer::Poll() |
WiredHome | 0:729320f63c5c | 214 | { |
WiredHome | 3:17928786bdb5 | 215 | typedef enum { |
WiredHome | 3:17928786bdb5 | 216 | Idle, // waiting for a connection |
WiredHome | 29:00116fc9da74 | 217 | ReceivingHeader, // receiving header |
WiredHome | 29:00116fc9da74 | 218 | ReceivingPayload, // receiving a section after the Header |
WiredHome | 3:17928786bdb5 | 219 | Sending, // send the response |
WiredHome | 7:99ad7a67f05e | 220 | WaitingToClose, // small timeout to close |
WiredHome | 7:99ad7a67f05e | 221 | Reset |
WiredHome | 3:17928786bdb5 | 222 | } state; |
WiredHome | 0:729320f63c5c | 223 | static state op = Idle; |
WiredHome | 3:17928786bdb5 | 224 | static char * bPtr = headerbuffer; |
WiredHome | 0:729320f63c5c | 225 | int n; |
WiredHome | 16:6ebacf2946d8 | 226 | static unsigned int t_ref; // reference point for the PerformanceTimer |
WiredHome | 0:729320f63c5c | 227 | |
WiredHome | 20:786aa5749007 | 228 | #if defined(DEBUG) |
WiredHome | 8:262583f054f6 | 229 | static state lastOp = Reset; |
WiredHome | 7:99ad7a67f05e | 230 | if (lastOp != op) { |
WiredHome | 29:00116fc9da74 | 231 | const char *states[] = {"Idle", "ReceivingHeader", "ReceivingPayload", "Sending", "WaitingToClose", "Reset"}; |
WiredHome | 58:5303e962f711 | 232 | INFO("Poll: %-30s ######## %8u us", states[op], (unsigned int)PerformanceTimer.read_us()-t_ref); |
WiredHome | 7:99ad7a67f05e | 233 | lastOp = op; |
WiredHome | 7:99ad7a67f05e | 234 | } |
WiredHome | 8:262583f054f6 | 235 | #endif |
WiredHome | 0:729320f63c5c | 236 | switch(op) { |
WiredHome | 3:17928786bdb5 | 237 | default: // not expected to arrive here |
WiredHome | 3:17928786bdb5 | 238 | op = Idle; |
WiredHome | 3:17928786bdb5 | 239 | break; |
WiredHome | 8:262583f054f6 | 240 | |
WiredHome | 3:17928786bdb5 | 241 | case Idle: |
WiredHome | 58:5303e962f711 | 242 | ShowSignOfLife(3); |
WiredHome | 10:9c8d2c6a3469 | 243 | PerformanceTimer.reset(); |
WiredHome | 17:69ff00ce39f4 | 244 | t_ref = (unsigned int)PerformanceTimer.read_us(); |
WiredHome | 3:17928786bdb5 | 245 | bPtr = headerbuffer; |
WiredHome | 11:17d84c41a7b3 | 246 | if (0 == server->accept(client)) { |
WiredHome | 29:00116fc9da74 | 247 | op = ReceivingHeader; |
WiredHome | 17:69ff00ce39f4 | 248 | t_ref = RecordPerformanceData(&perfData.ConnectionAccepted, t_ref); |
WiredHome | 58:5303e962f711 | 249 | INFO("Accepted at %8u us", |
WiredHome | 58:5303e962f711 | 250 | (unsigned int)PerformanceTimer.read_us()-t_ref); |
WiredHome | 48:078adbe279ac | 251 | } else { |
WiredHome | 49:cd391662f254 | 252 | //INFO("Timeout waiting for accept()"); |
WiredHome | 3:17928786bdb5 | 253 | } |
WiredHome | 0:729320f63c5c | 254 | break; |
WiredHome | 8:262583f054f6 | 255 | |
WiredHome | 29:00116fc9da74 | 256 | case ReceivingHeader: |
WiredHome | 3:17928786bdb5 | 257 | n = client.receive(bPtr, headerbuffersize - (bPtr - headerbuffer)); |
WiredHome | 58:5303e962f711 | 258 | INFO("client.receive() returned %d, from %s", n, client.get_address()); |
WiredHome | 55:238dd90b6fb3 | 259 | if (n == -2) { |
WiredHome | 55:238dd90b6fb3 | 260 | // was hang here waiting ... op = Sending; which causes misses |
WiredHome | 58:5303e962f711 | 261 | op = WaitingToClose; |
WiredHome | 55:238dd90b6fb3 | 262 | } else if (n < 0) { |
WiredHome | 58:5303e962f711 | 263 | op = WaitingToClose; // bail out... |
WiredHome | 3:17928786bdb5 | 264 | } else if (n) { |
WiredHome | 3:17928786bdb5 | 265 | bPtr[n] = '\0'; |
WiredHome | 29:00116fc9da74 | 266 | switch (ParseHeader(headerbuffer)) { |
WiredHome | 29:00116fc9da74 | 267 | case ACCEPT_ERROR: |
WiredHome | 29:00116fc9da74 | 268 | break; |
WiredHome | 29:00116fc9da74 | 269 | case ACCEPT_COMPLETE: |
WiredHome | 29:00116fc9da74 | 270 | op = Sending; |
WiredHome | 29:00116fc9da74 | 271 | t_ref = RecordPerformanceData(&perfData.HeaderParsed, t_ref); |
WiredHome | 58:5303e962f711 | 272 | INFO("Header Parsed at %8u us", |
WiredHome | 58:5303e962f711 | 273 | (unsigned int)PerformanceTimer.read_us()-t_ref); |
WiredHome | 29:00116fc9da74 | 274 | break; |
WiredHome | 29:00116fc9da74 | 275 | case ACCEPT_CONTINUE: |
WiredHome | 29:00116fc9da74 | 276 | op = ReceivingPayload; |
WiredHome | 29:00116fc9da74 | 277 | break; |
WiredHome | 3:17928786bdb5 | 278 | } |
WiredHome | 3:17928786bdb5 | 279 | bPtr += n; |
WiredHome | 0:729320f63c5c | 280 | } |
WiredHome | 0:729320f63c5c | 281 | break; |
WiredHome | 8:262583f054f6 | 282 | |
WiredHome | 29:00116fc9da74 | 283 | case ReceivingPayload: |
WiredHome | 29:00116fc9da74 | 284 | // After the header, there is a payload that will be handled |
WiredHome | 33:ef165a67ab22 | 285 | #if 1 |
WiredHome | 58:5303e962f711 | 286 | INFO("ReceivingPayload %8u us", |
WiredHome | 58:5303e962f711 | 287 | (unsigned int)PerformanceTimer.read_us()-t_ref); |
WiredHome | 33:ef165a67ab22 | 288 | n = client.receive(bPtr, headerbuffersize - (bPtr - headerbuffer)); |
WiredHome | 33:ef165a67ab22 | 289 | if (n < 0) { |
WiredHome | 33:ef165a67ab22 | 290 | op = Sending; |
WiredHome | 33:ef165a67ab22 | 291 | INFO("*** client.receive() => %d", n); |
WiredHome | 33:ef165a67ab22 | 292 | } else if (n) { |
WiredHome | 33:ef165a67ab22 | 293 | bPtr[n] = '\0'; |
WiredHome | 33:ef165a67ab22 | 294 | INFO("*** payload size %d", n); |
WiredHome | 33:ef165a67ab22 | 295 | } |
WiredHome | 33:ef165a67ab22 | 296 | #else |
WiredHome | 29:00116fc9da74 | 297 | op = Sending; |
WiredHome | 33:ef165a67ab22 | 298 | #endif |
WiredHome | 29:00116fc9da74 | 299 | break; |
WiredHome | 29:00116fc9da74 | 300 | |
WiredHome | 0:729320f63c5c | 301 | case Sending: |
WiredHome | 58:5303e962f711 | 302 | INFO("SendResponse at %8u us", |
WiredHome | 58:5303e962f711 | 303 | (unsigned int)PerformanceTimer.read_us()-t_ref); |
WiredHome | 3:17928786bdb5 | 304 | SendResponse(); |
WiredHome | 0:729320f63c5c | 305 | op = WaitingToClose; |
WiredHome | 17:69ff00ce39f4 | 306 | t_ref = RecordPerformanceData(&perfData.ResponseSent, t_ref); |
WiredHome | 58:5303e962f711 | 307 | INFO("Response Sent at %8u us", |
WiredHome | 58:5303e962f711 | 308 | (unsigned int)PerformanceTimer.read_us()-t_ref); |
WiredHome | 0:729320f63c5c | 309 | break; |
WiredHome | 9:2ea342765c9d | 310 | |
WiredHome | 0:729320f63c5c | 311 | case WaitingToClose: |
WiredHome | 58:5303e962f711 | 312 | INFO("close_connection %8u us", |
WiredHome | 58:5303e962f711 | 313 | (unsigned int)PerformanceTimer.read_us()-t_ref); |
WiredHome | 3:17928786bdb5 | 314 | close_connection(); |
WiredHome | 0:729320f63c5c | 315 | op = Idle; |
WiredHome | 17:69ff00ce39f4 | 316 | RecordPerformanceData(&perfData.ConnectionClosed, t_ref); |
WiredHome | 58:5303e962f711 | 317 | INFO("Connection closed exit: %8u us\r\n\r\n", |
WiredHome | 58:5303e962f711 | 318 | (unsigned int)PerformanceTimer.read_us()-t_ref); |
WiredHome | 0:729320f63c5c | 319 | break; |
WiredHome | 0:729320f63c5c | 320 | } |
WiredHome | 0:729320f63c5c | 321 | } |
WiredHome | 0:729320f63c5c | 322 | |
WiredHome | 0:729320f63c5c | 323 | |
WiredHome | 0:729320f63c5c | 324 | const char * HTTPServer::GetSupportedType(const char * filename) |
WiredHome | 0:729320f63c5c | 325 | { |
WiredHome | 0:729320f63c5c | 326 | int i; |
WiredHome | 0:729320f63c5c | 327 | int buflen = strlen(filename); |
WiredHome | 0:729320f63c5c | 328 | int extlen; |
WiredHome | 0:729320f63c5c | 329 | |
WiredHome | 0:729320f63c5c | 330 | for (i=0; extensions[i].ext != 0; i++) { |
WiredHome | 0:729320f63c5c | 331 | extlen = strlen(extensions[i].ext); |
WiredHome | 0:729320f63c5c | 332 | if ( !strncmp(&filename[buflen-extlen], extensions[i].ext, extlen)) { |
WiredHome | 0:729320f63c5c | 333 | return extensions[i].filetype; |
WiredHome | 0:729320f63c5c | 334 | } |
WiredHome | 0:729320f63c5c | 335 | } |
WiredHome | 0:729320f63c5c | 336 | return NULL; |
WiredHome | 0:729320f63c5c | 337 | } |
WiredHome | 0:729320f63c5c | 338 | |
WiredHome | 3:17928786bdb5 | 339 | |
WiredHome | 53:e5d96abe5e9b | 340 | int HTTPServer::send(const char * msg, int bytes) |
WiredHome | 0:729320f63c5c | 341 | { |
WiredHome | 0:729320f63c5c | 342 | if (bytes == -1) |
WiredHome | 0:729320f63c5c | 343 | bytes = strlen(msg); |
WiredHome | 44:71f09e4255f4 | 344 | INFO("Sending %d bytes", bytes); |
WiredHome | 44:71f09e4255f4 | 345 | //INFO("send:\r\n%s", msg); |
WiredHome | 58:5303e962f711 | 346 | int r = client.send_all((char *)msg, bytes); |
WiredHome | 44:71f09e4255f4 | 347 | INFO("client.send returned: %d", r); |
WiredHome | 53:e5d96abe5e9b | 348 | return r; |
WiredHome | 0:729320f63c5c | 349 | } |
WiredHome | 0:729320f63c5c | 350 | |
WiredHome | 44:71f09e4255f4 | 351 | const char * HTTPServer::FindAlias(const HTTPServer::namevalue * haystack, const char * needle) |
WiredHome | 44:71f09e4255f4 | 352 | { |
WiredHome | 44:71f09e4255f4 | 353 | while (haystack && haystack->name) { |
WiredHome | 44:71f09e4255f4 | 354 | if (strcmp(haystack->name,needle) == 0) |
WiredHome | 44:71f09e4255f4 | 355 | return haystack->value; |
WiredHome | 44:71f09e4255f4 | 356 | haystack++; |
WiredHome | 44:71f09e4255f4 | 357 | } |
WiredHome | 44:71f09e4255f4 | 358 | return needle; |
WiredHome | 44:71f09e4255f4 | 359 | } |
WiredHome | 44:71f09e4255f4 | 360 | |
WiredHome | 44:71f09e4255f4 | 361 | uint32_t HTTPServer::FileSize(const char * filename) |
WiredHome | 44:71f09e4255f4 | 362 | { |
WiredHome | 44:71f09e4255f4 | 363 | uint32_t size = 0; |
WiredHome | 44:71f09e4255f4 | 364 | FILE * fh; |
WiredHome | 44:71f09e4255f4 | 365 | |
WiredHome | 44:71f09e4255f4 | 366 | filename = FindAlias(filenameAliasList, filename); |
WiredHome | 44:71f09e4255f4 | 367 | fh = fopen(filename, "r"); |
WiredHome | 44:71f09e4255f4 | 368 | if (fh) { |
WiredHome | 44:71f09e4255f4 | 369 | fseek(fh, 0, SEEK_END); // seek to end of file |
WiredHome | 44:71f09e4255f4 | 370 | size = ftell(fh); // get current file pointer |
WiredHome | 44:71f09e4255f4 | 371 | fclose(fh); |
WiredHome | 44:71f09e4255f4 | 372 | } |
WiredHome | 44:71f09e4255f4 | 373 | return size; |
WiredHome | 44:71f09e4255f4 | 374 | } |
WiredHome | 3:17928786bdb5 | 375 | |
WiredHome | 0:729320f63c5c | 376 | bool HTTPServer::SendFile(const char * filename, const char * filetype) |
WiredHome | 0:729320f63c5c | 377 | { |
WiredHome | 0:729320f63c5c | 378 | FILE * fp; |
WiredHome | 3:17928786bdb5 | 379 | |
WiredHome | 44:71f09e4255f4 | 380 | INFO("SendFile(%s,...)", filename); |
WiredHome | 44:71f09e4255f4 | 381 | filename = FindAlias(filenameAliasList, filename); |
WiredHome | 44:71f09e4255f4 | 382 | INFO(" Alias(%s,...)", filename); |
WiredHome | 0:729320f63c5c | 383 | fp = fopen(filename,"rb"); |
WiredHome | 0:729320f63c5c | 384 | if (fp) { // can open it |
WiredHome | 8:262583f054f6 | 385 | char *fbuffer = (char *)mymalloc(FILESEND_BUF_SIZE); |
WiredHome | 0:729320f63c5c | 386 | int bytes; |
WiredHome | 0:729320f63c5c | 387 | |
WiredHome | 3:17928786bdb5 | 388 | if (fbuffer) { |
WiredHome | 44:71f09e4255f4 | 389 | char ContentLen[30]; |
WiredHome | 44:71f09e4255f4 | 390 | snprintf(ContentLen, sizeof(ContentLen), "Content-Length: %u\r\n", FileSize(filename)); |
WiredHome | 44:71f09e4255f4 | 391 | header(OK, "OK", filetype, ContentLen); |
WiredHome | 44:71f09e4255f4 | 392 | header(""); |
WiredHome | 58:5303e962f711 | 393 | bytes = fread(fbuffer,sizeof(char),FILESEND_BUF_SIZE-1,fp); |
WiredHome | 53:e5d96abe5e9b | 394 | INFO("Start with %d bytes", bytes); |
WiredHome | 58:5303e962f711 | 395 | int retryCount = 2; |
WiredHome | 3:17928786bdb5 | 396 | while (bytes > 0) { |
WiredHome | 53:e5d96abe5e9b | 397 | int r = send(fbuffer, bytes); |
WiredHome | 53:e5d96abe5e9b | 398 | if (r >= 0) { |
WiredHome | 58:5303e962f711 | 399 | bytes = fread(fbuffer,sizeof(char),FILESEND_BUF_SIZE-1,fp); |
WiredHome | 53:e5d96abe5e9b | 400 | INFO(" Next %d bytes", bytes); |
WiredHome | 53:e5d96abe5e9b | 401 | //INFO("::%s", fbuffer); |
WiredHome | 58:5303e962f711 | 402 | } else if (r == -2) { |
WiredHome | 58:5303e962f711 | 403 | if (retryCount-- == 0) { |
WiredHome | 58:5303e962f711 | 404 | ERR("send failed with %d [retries] - terminating SendFile().", r); |
WiredHome | 58:5303e962f711 | 405 | break; |
WiredHome | 58:5303e962f711 | 406 | } |
WiredHome | 58:5303e962f711 | 407 | INFO("send failed with %d (timeout), hopefully it will recover.", r); |
WiredHome | 58:5303e962f711 | 408 | } else { |
WiredHome | 58:5303e962f711 | 409 | ERR("send failed with %d, but why? - terminating SendFile().", r); |
WiredHome | 58:5303e962f711 | 410 | break; |
WiredHome | 53:e5d96abe5e9b | 411 | } |
WiredHome | 3:17928786bdb5 | 412 | } |
WiredHome | 8:262583f054f6 | 413 | myfree(fbuffer); |
WiredHome | 3:17928786bdb5 | 414 | } else { |
WiredHome | 44:71f09e4255f4 | 415 | header(Server_Error, "Server Error", NULL, "Pragma: err - insufficient memory\r\n"); |
WiredHome | 44:71f09e4255f4 | 416 | header(""); |
WiredHome | 0:729320f63c5c | 417 | } |
WiredHome | 0:729320f63c5c | 418 | fclose(fp); |
WiredHome | 0:729320f63c5c | 419 | return true; |
WiredHome | 0:729320f63c5c | 420 | } else { |
WiredHome | 44:71f09e4255f4 | 421 | header(Not_Found, "Not Found", NULL, "Pragma: err - Can't open file\r\n"); |
WiredHome | 44:71f09e4255f4 | 422 | header(""); |
WiredHome | 0:729320f63c5c | 423 | return false; |
WiredHome | 0:729320f63c5c | 424 | } |
WiredHome | 0:729320f63c5c | 425 | } |
WiredHome | 0:729320f63c5c | 426 | |
WiredHome | 0:729320f63c5c | 427 | int HTTPServer::HexCharToInt(char c) |
WiredHome | 0:729320f63c5c | 428 | { |
WiredHome | 0:729320f63c5c | 429 | if (c >= 'a' && c <= 'f') |
WiredHome | 0:729320f63c5c | 430 | return (c - 'a' + 10); |
WiredHome | 0:729320f63c5c | 431 | else if (c >= 'A' && c <= 'F') |
WiredHome | 0:729320f63c5c | 432 | return (c - 'A' + 10); |
WiredHome | 0:729320f63c5c | 433 | else if (c >= '0' && c <= '9') |
WiredHome | 0:729320f63c5c | 434 | return c - '0'; |
WiredHome | 0:729320f63c5c | 435 | else |
WiredHome | 0:729320f63c5c | 436 | return 0; |
WiredHome | 0:729320f63c5c | 437 | } |
WiredHome | 0:729320f63c5c | 438 | |
WiredHome | 0:729320f63c5c | 439 | char HTTPServer::HexPairToChar(char * p) |
WiredHome | 0:729320f63c5c | 440 | { |
WiredHome | 0:729320f63c5c | 441 | return 16 * HexCharToInt(*p) + HexCharToInt(*(p+1)); |
WiredHome | 0:729320f63c5c | 442 | } |
WiredHome | 0:729320f63c5c | 443 | |
WiredHome | 39:0427544a5c08 | 444 | // modifies in-place |
WiredHome | 0:729320f63c5c | 445 | void HTTPServer::UnescapeString(char * encoded) |
WiredHome | 0:729320f63c5c | 446 | { |
WiredHome | 0:729320f63c5c | 447 | char *p; |
WiredHome | 0:729320f63c5c | 448 | |
WiredHome | 0:729320f63c5c | 449 | // first convert '+' to ' ' |
WiredHome | 0:729320f63c5c | 450 | p = strchr(encoded, '+'); |
WiredHome | 0:729320f63c5c | 451 | while (p) { |
WiredHome | 0:729320f63c5c | 452 | *p = ' '; |
WiredHome | 0:729320f63c5c | 453 | p = strchr(encoded, '+'); |
WiredHome | 0:729320f63c5c | 454 | } |
WiredHome | 0:729320f63c5c | 455 | // then convert hex '%xx' to char 'x' |
WiredHome | 0:729320f63c5c | 456 | p = strchr(encoded, '%'); |
WiredHome | 0:729320f63c5c | 457 | while (p) { |
WiredHome | 0:729320f63c5c | 458 | if (strchr("0123456789ABCDEFabcdef", *(p+1)) |
WiredHome | 0:729320f63c5c | 459 | && strchr("0123456789ABCDEFabcdef", *(p+2)) ) { |
WiredHome | 0:729320f63c5c | 460 | *p = HexPairToChar(p+1); |
WiredHome | 0:729320f63c5c | 461 | p++; // advance past the % |
WiredHome | 0:729320f63c5c | 462 | char * a = p; |
WiredHome | 0:729320f63c5c | 463 | char * b = p + 2; |
WiredHome | 0:729320f63c5c | 464 | do { |
WiredHome | 0:729320f63c5c | 465 | *a++ = *b++; |
WiredHome | 0:729320f63c5c | 466 | } while (*b); |
WiredHome | 0:729320f63c5c | 467 | *a = '\0'; |
WiredHome | 0:729320f63c5c | 468 | } |
WiredHome | 0:729320f63c5c | 469 | p = strchr(p, '%'); |
WiredHome | 0:729320f63c5c | 470 | } |
WiredHome | 0:729320f63c5c | 471 | } |
WiredHome | 0:729320f63c5c | 472 | |
WiredHome | 0:729320f63c5c | 473 | const char * HTTPServer::GetParameter(const char * name) |
WiredHome | 0:729320f63c5c | 474 | { |
WiredHome | 37:0cb2774e2410 | 475 | INFO("GetParameter(%s)", name); |
WiredHome | 13:8975d7928678 | 476 | for (int i=0; i<queryParamCount; i++) { |
WiredHome | 37:0cb2774e2410 | 477 | INFO(" %d: %s = %s", i, queryParams[i].name, queryParams[i].value); |
WiredHome | 13:8975d7928678 | 478 | if (strcmp(queryParams[i].name, name) == 0) { |
WiredHome | 37:0cb2774e2410 | 479 | INFO(" value {%s}", queryParams[i].value); |
WiredHome | 13:8975d7928678 | 480 | return queryParams[i].value; |
WiredHome | 0:729320f63c5c | 481 | } |
WiredHome | 0:729320f63c5c | 482 | } |
WiredHome | 0:729320f63c5c | 483 | return NULL; |
WiredHome | 0:729320f63c5c | 484 | } |
WiredHome | 0:729320f63c5c | 485 | |
WiredHome | 44:71f09e4255f4 | 486 | const HTTPServer::namevalue * HTTPServer::GetParameter(int index) |
WiredHome | 39:0427544a5c08 | 487 | { |
WiredHome | 39:0427544a5c08 | 488 | if (index < queryParamCount) |
WiredHome | 39:0427544a5c08 | 489 | return &queryParams[index]; |
WiredHome | 39:0427544a5c08 | 490 | else |
WiredHome | 39:0427544a5c08 | 491 | return NULL; |
WiredHome | 39:0427544a5c08 | 492 | } |
WiredHome | 39:0427544a5c08 | 493 | |
WiredHome | 39:0427544a5c08 | 494 | const char * HTTPServer::GetPostParameter(const char * name) |
WiredHome | 39:0427544a5c08 | 495 | { |
WiredHome | 39:0427544a5c08 | 496 | INFO("GetPostParameter(%s)", name); |
WiredHome | 39:0427544a5c08 | 497 | for (int i=0; i<postParamCount; i++) { |
WiredHome | 39:0427544a5c08 | 498 | INFO(" %d: %s = %s", i, postParams[i].name, postParams[i].value); |
WiredHome | 39:0427544a5c08 | 499 | if (strcmp(postParams[i].name, name) == 0) { |
WiredHome | 39:0427544a5c08 | 500 | INFO(" value {%s}", postParams[i].value); |
WiredHome | 39:0427544a5c08 | 501 | return postParams[i].value; |
WiredHome | 39:0427544a5c08 | 502 | } |
WiredHome | 39:0427544a5c08 | 503 | } |
WiredHome | 39:0427544a5c08 | 504 | return NULL; |
WiredHome | 39:0427544a5c08 | 505 | } |
WiredHome | 39:0427544a5c08 | 506 | |
WiredHome | 39:0427544a5c08 | 507 | HTTPServer::namevalue * HTTPServer::GetPostParameter(int index) |
WiredHome | 39:0427544a5c08 | 508 | { |
WiredHome | 39:0427544a5c08 | 509 | if (index < postParamCount) |
WiredHome | 39:0427544a5c08 | 510 | return &postParams[index]; |
WiredHome | 39:0427544a5c08 | 511 | else |
WiredHome | 39:0427544a5c08 | 512 | return NULL; |
WiredHome | 39:0427544a5c08 | 513 | } |
WiredHome | 37:0cb2774e2410 | 514 | |
WiredHome | 0:729320f63c5c | 515 | // this=that&who=what&more=stuff... |
WiredHome | 0:729320f63c5c | 516 | // ^ ^ ^ |
WiredHome | 39:0427544a5c08 | 517 | int HTTPServer::ParseParameters(namevalue * qP, int * qpCount, int maxP, char * pName) |
WiredHome | 0:729320f63c5c | 518 | { |
WiredHome | 0:729320f63c5c | 519 | char * pVal; |
WiredHome | 0:729320f63c5c | 520 | char * pNextName; |
WiredHome | 0:729320f63c5c | 521 | |
WiredHome | 13:8975d7928678 | 522 | // Parse queryParams |
WiredHome | 0:729320f63c5c | 523 | pVal = strchr(pName, '#'); // If there is a '#fragment_id', we can ignore it |
WiredHome | 0:729320f63c5c | 524 | if (pVal) |
WiredHome | 3:17928786bdb5 | 525 | *pVal = '\0'; |
WiredHome | 0:729320f63c5c | 526 | do { |
Sissors | 42:0d5b682bb17a | 527 | INFO("ParseParameters(%s), qpCount: %d", pName, *qpCount); |
WiredHome | 39:0427544a5c08 | 528 | qP->name = pName; |
WiredHome | 0:729320f63c5c | 529 | pVal = strchr(pName, '='); |
WiredHome | 0:729320f63c5c | 530 | pNextName = strchr(pName,'&'); |
WiredHome | 0:729320f63c5c | 531 | if (pVal) { |
WiredHome | 0:729320f63c5c | 532 | if (pNextName == NULL || (pNextName && pNextName > pVal)) { |
WiredHome | 0:729320f63c5c | 533 | *pVal++ = '\0'; |
WiredHome | 39:0427544a5c08 | 534 | qP->value = pVal; |
WiredHome | 0:729320f63c5c | 535 | pName = pVal; |
WiredHome | 0:729320f63c5c | 536 | } |
WiredHome | 0:729320f63c5c | 537 | } |
WiredHome | 0:729320f63c5c | 538 | if (pNextName) { |
WiredHome | 0:729320f63c5c | 539 | pName = pNextName; |
WiredHome | 0:729320f63c5c | 540 | *pName++ = '\0'; |
WiredHome | 0:729320f63c5c | 541 | } else { |
WiredHome | 0:729320f63c5c | 542 | pName = NULL; |
WiredHome | 0:729320f63c5c | 543 | } |
WiredHome | 39:0427544a5c08 | 544 | INFO(" param{%s}={%s}", qP->name, qP->value); |
WiredHome | 39:0427544a5c08 | 545 | *qpCount += 1; |
WiredHome | 39:0427544a5c08 | 546 | qP++; |
WiredHome | 39:0427544a5c08 | 547 | } while (pName && *qpCount < maxP); |
WiredHome | 39:0427544a5c08 | 548 | INFO(" count %d", *qpCount); |
WiredHome | 39:0427544a5c08 | 549 | return *qpCount; |
WiredHome | 0:729320f63c5c | 550 | } |
WiredHome | 0:729320f63c5c | 551 | |
WiredHome | 0:729320f63c5c | 552 | |
WiredHome | 44:71f09e4255f4 | 553 | void HTTPServer::header(HTTPServer::HeaderCodes code, const char * code_text, const char * content_type, const char * optional_text) |
WiredHome | 0:729320f63c5c | 554 | { |
WiredHome | 0:729320f63c5c | 555 | char http[100]; |
WiredHome | 0:729320f63c5c | 556 | |
WiredHome | 50:10db483f5154 | 557 | if (optional_text == NULL) |
WiredHome | 50:10db483f5154 | 558 | optional_text = ""; |
WiredHome | 53:e5d96abe5e9b | 559 | INFO("header(%d, %s, %s, %s)", code, code_text, content_type, optional_text); |
WiredHome | 44:71f09e4255f4 | 560 | snprintf(http, sizeof(http), "%s %i %s\r\n", hdr_httpver, code, code_text); |
WiredHome | 0:729320f63c5c | 561 | send(http); |
WiredHome | 0:729320f63c5c | 562 | if (content_type) { |
WiredHome | 0:729320f63c5c | 563 | send(content_type); |
WiredHome | 0:729320f63c5c | 564 | } |
WiredHome | 50:10db483f5154 | 565 | if (*optional_text != '\0') { |
WiredHome | 50:10db483f5154 | 566 | send(optional_text); |
WiredHome | 44:71f09e4255f4 | 567 | } else { |
WiredHome | 50:10db483f5154 | 568 | if (strlen(hdr_age) + strlen(hdr_server) + strlen(hdr_close) + strlen(nl) < sizeof(http)) { |
WiredHome | 58:5303e962f711 | 569 | strcpy_s(http, 100, hdr_age); |
WiredHome | 58:5303e962f711 | 570 | strcat_s(http, 100, hdr_server); |
WiredHome | 58:5303e962f711 | 571 | strcat_s(http, 100, hdr_close); |
WiredHome | 58:5303e962f711 | 572 | strcat_s(http, 100, nl); |
WiredHome | 50:10db483f5154 | 573 | send(http); |
WiredHome | 50:10db483f5154 | 574 | } else { |
WiredHome | 50:10db483f5154 | 575 | send(hdr_age); |
WiredHome | 50:10db483f5154 | 576 | send(hdr_server); |
WiredHome | 50:10db483f5154 | 577 | send(hdr_close); |
WiredHome | 50:10db483f5154 | 578 | send(nl); |
WiredHome | 50:10db483f5154 | 579 | } |
WiredHome | 0:729320f63c5c | 580 | } |
WiredHome | 0:729320f63c5c | 581 | } |
WiredHome | 0:729320f63c5c | 582 | |
WiredHome | 44:71f09e4255f4 | 583 | void HTTPServer::header(const char * partialheader) |
WiredHome | 44:71f09e4255f4 | 584 | { |
WiredHome | 44:71f09e4255f4 | 585 | if (!partialheader || *partialheader == '\0') |
WiredHome | 44:71f09e4255f4 | 586 | send(nl); |
WiredHome | 44:71f09e4255f4 | 587 | else |
WiredHome | 44:71f09e4255f4 | 588 | send(partialheader); |
WiredHome | 44:71f09e4255f4 | 589 | } |
WiredHome | 14:19c5f6151319 | 590 | |
WiredHome | 7:99ad7a67f05e | 591 | bool HTTPServer::close_connection() |
WiredHome | 0:729320f63c5c | 592 | { |
WiredHome | 7:99ad7a67f05e | 593 | bool res; |
WiredHome | 7:99ad7a67f05e | 594 | |
Sissors | 41:6f2f1fb96742 | 595 | res = client.close(); |
WiredHome | 27:90a1f5a5392f | 596 | INFO("close connection returned %d", res); |
WiredHome | 7:99ad7a67f05e | 597 | return res; |
WiredHome | 0:729320f63c5c | 598 | } |
WiredHome | 0:729320f63c5c | 599 | |
WiredHome | 14:19c5f6151319 | 600 | |
WiredHome | 0:729320f63c5c | 601 | bool HTTPServer::Extract(char * haystack, char * needle, char ** string) |
WiredHome | 0:729320f63c5c | 602 | { |
WiredHome | 0:729320f63c5c | 603 | bool ret = false; // assume failure until proven otherwise |
WiredHome | 0:729320f63c5c | 604 | char * qs = NULL; |
WiredHome | 0:729320f63c5c | 605 | char * eqs = NULL; |
WiredHome | 0:729320f63c5c | 606 | char * container = NULL; |
WiredHome | 0:729320f63c5c | 607 | char * get = strstr(haystack, needle); // what if not at the front? |
WiredHome | 44:71f09e4255f4 | 608 | |
WiredHome | 0:729320f63c5c | 609 | if (get) { |
WiredHome | 44:71f09e4255f4 | 610 | // Seems to be a valid "GET /QueryString HTTP/1.1" |
WiredHome | 44:71f09e4255f4 | 611 | // or "POST /upnp/control/metainfo1 HTTP/1.0" |
WiredHome | 8:262583f054f6 | 612 | // or "...<needle>param..." |
WiredHome | 0:729320f63c5c | 613 | qs = get + strlen(needle); // in case the needle didn't have space delimiters |
WiredHome | 0:729320f63c5c | 614 | while (*qs == ' ') |
WiredHome | 0:729320f63c5c | 615 | qs++; |
WiredHome | 0:729320f63c5c | 616 | // /QueryString\0HTTP/1.1\0\0 |
WiredHome | 0:729320f63c5c | 617 | if (*string) // recycle old string when working a new one |
WiredHome | 8:262583f054f6 | 618 | myfree(*string); |
WiredHome | 58:5303e962f711 | 619 | int ctSize = strlen(qs); |
WiredHome | 58:5303e962f711 | 620 | container = (char *)mymalloc(ctSize); |
WiredHome | 0:729320f63c5c | 621 | if (container) { |
WiredHome | 58:5303e962f711 | 622 | strcpy_s(container, ctSize, qs); |
WiredHome | 0:729320f63c5c | 623 | eqs = strchr(container, ' '); |
WiredHome | 0:729320f63c5c | 624 | if (eqs) |
WiredHome | 0:729320f63c5c | 625 | *eqs = '\0'; |
WiredHome | 0:729320f63c5c | 626 | *string = container; |
WiredHome | 27:90a1f5a5392f | 627 | INFO("Extract(%s) = %s", needle, container); |
WiredHome | 0:729320f63c5c | 628 | ret = true; |
WiredHome | 0:729320f63c5c | 629 | } else { |
WiredHome | 0:729320f63c5c | 630 | *string = NULL; // something bad happened... no memory |
WiredHome | 0:729320f63c5c | 631 | } |
WiredHome | 0:729320f63c5c | 632 | } |
WiredHome | 0:729320f63c5c | 633 | return ret; |
WiredHome | 0:729320f63c5c | 634 | } |
WiredHome | 0:729320f63c5c | 635 | |
WiredHome | 14:19c5f6151319 | 636 | |
WiredHome | 0:729320f63c5c | 637 | char * HTTPServer::rewriteWithDefaultFile(char * queryString) |
WiredHome | 0:729320f63c5c | 638 | { |
WiredHome | 58:5303e962f711 | 639 | int tSize = strlen(queryString) + strlen(DEFAULT_FILENAME) + 1; |
WiredHome | 58:5303e962f711 | 640 | char * temp = (char *)mymalloc(tSize); |
WiredHome | 0:729320f63c5c | 641 | |
WiredHome | 0:729320f63c5c | 642 | if (temp) { |
WiredHome | 0:729320f63c5c | 643 | *temp = '\0'; |
WiredHome | 58:5303e962f711 | 644 | strcpy_s(temp, tSize, queryString); |
WiredHome | 58:5303e962f711 | 645 | strcat_s(temp, tSize, DEFAULT_FILENAME); |
WiredHome | 8:262583f054f6 | 646 | myfree(queryString); |
WiredHome | 0:729320f63c5c | 647 | return temp; |
WiredHome | 0:729320f63c5c | 648 | } else { |
WiredHome | 0:729320f63c5c | 649 | return queryString; |
WiredHome | 0:729320f63c5c | 650 | } |
WiredHome | 0:729320f63c5c | 651 | } |
WiredHome | 0:729320f63c5c | 652 | |
WiredHome | 14:19c5f6151319 | 653 | |
WiredHome | 0:729320f63c5c | 654 | char * HTTPServer::rewritePrependWebroot(char * queryString) |
WiredHome | 0:729320f63c5c | 655 | { |
WiredHome | 58:5303e962f711 | 656 | int tSize = strlen(webroot) + strlen(queryString) + 2; |
WiredHome | 58:5303e962f711 | 657 | char * temp = (char *)mymalloc(tSize); // save room for '/' |
WiredHome | 0:729320f63c5c | 658 | |
WiredHome | 0:729320f63c5c | 659 | if (temp) { |
WiredHome | 24:062431453abb | 660 | char *lastC; |
WiredHome | 0:729320f63c5c | 661 | *temp = '\0'; |
WiredHome | 58:5303e962f711 | 662 | strcpy_s(temp, tSize, webroot); |
WiredHome | 24:062431453abb | 663 | lastC = &temp[strlen(temp)-1]; |
WiredHome | 24:062431453abb | 664 | if (*lastC == '/' && *queryString == '/') |
WiredHome | 24:062431453abb | 665 | queryString++; // don't create two '/' |
WiredHome | 24:062431453abb | 666 | else if (*lastC != '/' && *queryString != '/') |
WiredHome | 58:5303e962f711 | 667 | strcat_s(temp, tSize, "/"); |
WiredHome | 58:5303e962f711 | 668 | strcat_s(temp, tSize, queryString); |
WiredHome | 8:262583f054f6 | 669 | myfree(queryString); |
WiredHome | 0:729320f63c5c | 670 | return temp; |
WiredHome | 0:729320f63c5c | 671 | } else { |
WiredHome | 0:729320f63c5c | 672 | return queryString; |
WiredHome | 0:729320f63c5c | 673 | } |
WiredHome | 0:729320f63c5c | 674 | } |
WiredHome | 0:729320f63c5c | 675 | |
WiredHome | 14:19c5f6151319 | 676 | |
WiredHome | 3:17928786bdb5 | 677 | bool HTTPServer::CheckDynamicHandlers() |
WiredHome | 3:17928786bdb5 | 678 | { |
WiredHome | 3:17928786bdb5 | 679 | bool regHandled = false; |
WiredHome | 0:729320f63c5c | 680 | |
WiredHome | 3:17928786bdb5 | 681 | // If this queryString is in the list of registered handlers, call that |
WiredHome | 3:17928786bdb5 | 682 | for (int i=0; i<handlercount; i++) { |
WiredHome | 3:17928786bdb5 | 683 | if (strcmp(handlers[i].path, queryString) == 0) { |
WiredHome | 53:e5d96abe5e9b | 684 | INFO("CheckDynamicHandlers - SEND_PAGE %s", handlers[i].path); |
WiredHome | 13:8975d7928678 | 685 | (*handlers[i].callback)(this, SEND_PAGE, queryString, queryParams, queryParamCount); |
WiredHome | 3:17928786bdb5 | 686 | regHandled = true; |
WiredHome | 3:17928786bdb5 | 687 | break; // we only execute the first one |
WiredHome | 3:17928786bdb5 | 688 | } |
WiredHome | 3:17928786bdb5 | 689 | } |
WiredHome | 3:17928786bdb5 | 690 | return regHandled; |
WiredHome | 3:17928786bdb5 | 691 | } |
WiredHome | 3:17928786bdb5 | 692 | |
WiredHome | 14:19c5f6151319 | 693 | |
WiredHome | 3:17928786bdb5 | 694 | void HTTPServer::SendResponse() |
WiredHome | 3:17928786bdb5 | 695 | { |
WiredHome | 58:5303e962f711 | 696 | INFO("SendResponse(%5s) at %8u us", |
WiredHome | 58:5303e962f711 | 697 | queryType, (unsigned int)PerformanceTimer.read_us()); |
WiredHome | 44:71f09e4255f4 | 698 | if (strcmp(queryType, "GET ") == 0 || strcmp(queryType, "POST ") == 0) { |
WiredHome | 3:17928786bdb5 | 699 | if (!(queryString[0] == '.' && queryString[1] == '.')) { |
WiredHome | 3:17928786bdb5 | 700 | const char * fType; |
WiredHome | 3:17928786bdb5 | 701 | |
WiredHome | 3:17928786bdb5 | 702 | if (!CheckDynamicHandlers()) { |
WiredHome | 3:17928786bdb5 | 703 | // Otherwise, this queryString must be trying to reference a static file |
WiredHome | 3:17928786bdb5 | 704 | if (queryString[strlen(queryString)-1] == '/') { |
WiredHome | 3:17928786bdb5 | 705 | queryString = rewriteWithDefaultFile(queryString); |
WiredHome | 3:17928786bdb5 | 706 | } |
WiredHome | 44:71f09e4255f4 | 707 | INFO(" queryString: %s", queryString); |
WiredHome | 3:17928786bdb5 | 708 | // see if we support this file type |
WiredHome | 3:17928786bdb5 | 709 | fType = GetSupportedType(queryString); |
WiredHome | 3:17928786bdb5 | 710 | if (fType) { |
WiredHome | 3:17928786bdb5 | 711 | queryString = rewritePrependWebroot(queryString); |
WiredHome | 44:71f09e4255f4 | 712 | INFO(" SendFile(%s,%s)", queryString, fType); |
WiredHome | 3:17928786bdb5 | 713 | SendFile(queryString, fType); |
WiredHome | 3:17928786bdb5 | 714 | } else { |
WiredHome | 44:71f09e4255f4 | 715 | header(Not_Found, "Not Found", NULL, "Pragma: err - Unsupported type\r\n"); |
WiredHome | 44:71f09e4255f4 | 716 | header(""); |
WiredHome | 3:17928786bdb5 | 717 | } |
WiredHome | 3:17928786bdb5 | 718 | } |
WiredHome | 3:17928786bdb5 | 719 | } else { |
WiredHome | 44:71f09e4255f4 | 720 | header(Bad_Request, "Bad Request", NULL, "Pragma: err - Unsupported path\r\n"); |
WiredHome | 44:71f09e4255f4 | 721 | header(""); |
WiredHome | 3:17928786bdb5 | 722 | } |
WiredHome | 3:17928786bdb5 | 723 | } else { |
WiredHome | 44:71f09e4255f4 | 724 | header(Bad_Request, "Bad Request", NULL, "Pragma: err - Unsupported query type\r\n"); |
WiredHome | 44:71f09e4255f4 | 725 | header(""); |
WiredHome | 3:17928786bdb5 | 726 | } |
WiredHome | 58:5303e962f711 | 727 | INFO(" SendResponse complete at %8u us", |
WiredHome | 58:5303e962f711 | 728 | (unsigned int)PerformanceTimer.read_us()); |
WiredHome | 17:69ff00ce39f4 | 729 | |
WiredHome | 3:17928786bdb5 | 730 | if (queryType) { |
WiredHome | 8:262583f054f6 | 731 | myfree(queryType); |
WiredHome | 3:17928786bdb5 | 732 | queryType = NULL; |
WiredHome | 3:17928786bdb5 | 733 | } |
WiredHome | 3:17928786bdb5 | 734 | if (queryString) { |
WiredHome | 8:262583f054f6 | 735 | myfree(queryString); |
WiredHome | 3:17928786bdb5 | 736 | queryString = NULL; |
WiredHome | 3:17928786bdb5 | 737 | } |
WiredHome | 3:17928786bdb5 | 738 | if (postQueryString) { |
WiredHome | 8:262583f054f6 | 739 | myfree(postQueryString); |
WiredHome | 3:17928786bdb5 | 740 | postQueryString = NULL; |
WiredHome | 3:17928786bdb5 | 741 | } |
WiredHome | 58:5303e962f711 | 742 | INFO(" SendResponse free at %8u us", |
WiredHome | 58:5303e962f711 | 743 | (unsigned int)PerformanceTimer.read_us()); |
WiredHome | 3:17928786bdb5 | 744 | } |
WiredHome | 3:17928786bdb5 | 745 | |
WiredHome | 14:19c5f6151319 | 746 | |
WiredHome | 29:00116fc9da74 | 747 | HTTPServer::CallBackResults HTTPServer::ParseHeader(char * buffer) |
WiredHome | 3:17928786bdb5 | 748 | { |
WiredHome | 3:17928786bdb5 | 749 | char * dblCR; |
WiredHome | 29:00116fc9da74 | 750 | CallBackResults advanceState = ACCEPT_ERROR; |
WiredHome | 3:17928786bdb5 | 751 | int bytecount; |
WiredHome | 7:99ad7a67f05e | 752 | |
WiredHome | 3:17928786bdb5 | 753 | // Buffer could have partial, but the double \r\n is the key |
WiredHome | 13:8975d7928678 | 754 | // GET /QueryString?this=that&sky=blue HTTP/1.1\r\n |
WiredHome | 8:262583f054f6 | 755 | // GET /QueryString HTTP/1.1\r\nHost: 192.168.1.140\r\nCache-Con |
WiredHome | 8:262583f054f6 | 756 | // GET /QueryString HTTP/1.1\r\nHost: 192.168.1.140\r\nCache-Control: max-age=0\r\n\r\n |
WiredHome | 39:0427544a5c08 | 757 | // POST /dyn2 HTTP/1.2\r\nAccept: text/html, application/xhtml+xml, */*\r\n\r\n |
WiredHome | 3:17928786bdb5 | 758 | dblCR = strstr(buffer,"\r\n\r\n"); |
WiredHome | 3:17928786bdb5 | 759 | if (dblCR) { // Have to scan from the beginning in case split on \r |
WiredHome | 44:71f09e4255f4 | 760 | INFO("\r\n==\r\n%s\r\n==", buffer); |
WiredHome | 3:17928786bdb5 | 761 | char * soRec = buffer; // start of the next record of text |
WiredHome | 13:8975d7928678 | 762 | char * eoRec = strchr(soRec, '\n'); // search for end of the current record |
WiredHome | 7:99ad7a67f05e | 763 | |
WiredHome | 13:8975d7928678 | 764 | headerParamCount = 0; |
WiredHome | 3:17928786bdb5 | 765 | bytecount = strlen(buffer); |
WiredHome | 3:17928786bdb5 | 766 | if (bytecount > maxheaderbytes) |
WiredHome | 3:17928786bdb5 | 767 | maxheaderbytes = bytecount; |
WiredHome | 3:17928786bdb5 | 768 | while (eoRec) { |
WiredHome | 3:17928786bdb5 | 769 | *eoRec = '\0'; |
WiredHome | 3:17928786bdb5 | 770 | if (*(eoRec-1) == '\r') |
WiredHome | 3:17928786bdb5 | 771 | *(eoRec-1) = '\0'; |
WiredHome | 44:71f09e4255f4 | 772 | INFO("method: %s", soRec); |
WiredHome | 44:71f09e4255f4 | 773 | #if 1 |
WiredHome | 44:71f09e4255f4 | 774 | const QueryMethod * qm = QueryMethodList; |
WiredHome | 44:71f09e4255f4 | 775 | while (*qm->queryType) { |
WiredHome | 44:71f09e4255f4 | 776 | if (strstr(soRec, qm->queryType) == soRec) { |
WiredHome | 44:71f09e4255f4 | 777 | Extract(soRec, qm->queryType, &queryString); |
WiredHome | 44:71f09e4255f4 | 778 | if (queryString) { |
WiredHome | 58:5303e962f711 | 779 | int qSize = strlen(qm->queryType)+1; |
WiredHome | 58:5303e962f711 | 780 | queryType = (char *)mymalloc(qSize); |
WiredHome | 58:5303e962f711 | 781 | strcpy_s(queryType, qSize, qm->queryType); |
WiredHome | 44:71f09e4255f4 | 782 | } |
WiredHome | 44:71f09e4255f4 | 783 | } |
WiredHome | 44:71f09e4255f4 | 784 | qm++; |
WiredHome | 44:71f09e4255f4 | 785 | } |
WiredHome | 44:71f09e4255f4 | 786 | #else |
WiredHome | 8:262583f054f6 | 787 | // Inspect the supported query types (GET, POST) and ignore (HEAD, PUT, OPTION, DELETE, TRACE, CONNECT] |
WiredHome | 44:71f09e4255f4 | 788 | // This is presently very clumsy |
WiredHome | 44:71f09e4255f4 | 789 | if (strstr(soRec, "GET ") == soRec) { |
WiredHome | 8:262583f054f6 | 790 | Extract(soRec, "GET", &queryString); |
WiredHome | 8:262583f054f6 | 791 | if (queryString) { |
WiredHome | 58:5303e962f711 | 792 | int qSize = strlen("GET")+1; |
WiredHome | 58:5303e962f711 | 793 | queryType = (char *)mymalloc(qSize); |
WiredHome | 58:5303e962f711 | 794 | strcpy_s(queryType, qSize, "GET"); |
WiredHome | 8:262583f054f6 | 795 | } |
WiredHome | 8:262583f054f6 | 796 | } else if (strstr(soRec, "POST ") == soRec) { |
WiredHome | 39:0427544a5c08 | 797 | Extract(soRec, "POST", &queryString); |
WiredHome | 8:262583f054f6 | 798 | if (queryString) { |
WiredHome | 58:5303e962f711 | 799 | int qSize = strlen("POST")+1; |
WiredHome | 58:5303e962f711 | 800 | queryType = (char *)mymalloc(qSize); |
WiredHome | 58:5303e962f711 | 801 | strcpy_s(queryType, qSize, "POST"); |
WiredHome | 8:262583f054f6 | 802 | } |
WiredHome | 10:9c8d2c6a3469 | 803 | } |
WiredHome | 44:71f09e4255f4 | 804 | #endif |
WiredHome | 44:71f09e4255f4 | 805 | |
WiredHome | 13:8975d7928678 | 806 | // if there is a ": " delimiter, we have a header item to parse into name,value pair |
WiredHome | 13:8975d7928678 | 807 | // "Connection: keep-alive" becomes "Connection" "keep-alive" |
WiredHome | 13:8975d7928678 | 808 | char *delim = strstr(soRec, ": "); |
WiredHome | 13:8975d7928678 | 809 | char *chkSpace = strchr(soRec, ' '); // a field-name has no space ahead of the ":" |
WiredHome | 44:71f09e4255f4 | 810 | //INFO("hpc:%d,mhp:%d, {%s}", headerParamCount, maxheaderParams, soRec); |
WiredHome | 29:00116fc9da74 | 811 | if (delim |
WiredHome | 29:00116fc9da74 | 812 | && (!chkSpace || (chkSpace && delim < chkSpace)) |
WiredHome | 29:00116fc9da74 | 813 | && headerParamCount < maxheaderParams) { |
WiredHome | 14:19c5f6151319 | 814 | *delim++ = '\0'; // replace ": " with null |
WiredHome | 13:8975d7928678 | 815 | *delim++ = '\0'; |
WiredHome | 13:8975d7928678 | 816 | headerParams[headerParamCount].name = soRec; |
WiredHome | 13:8975d7928678 | 817 | headerParams[headerParamCount].value = delim; |
WiredHome | 37:0cb2774e2410 | 818 | INFO("%d: headerParams[%s] = {%s}", headerParamCount, |
WiredHome | 37:0cb2774e2410 | 819 | headerParams[headerParamCount].name, headerParams[headerParamCount].value); |
WiredHome | 13:8975d7928678 | 820 | headerParamCount++; |
WiredHome | 13:8975d7928678 | 821 | } |
WiredHome | 3:17928786bdb5 | 822 | soRec = eoRec + 1; |
WiredHome | 3:17928786bdb5 | 823 | eoRec = strchr(soRec, '\n'); |
WiredHome | 44:71f09e4255f4 | 824 | if (soRec > dblCR) // Just walked past the end of the header |
WiredHome | 44:71f09e4255f4 | 825 | break; |
WiredHome | 3:17928786bdb5 | 826 | } |
WiredHome | 29:00116fc9da74 | 827 | |
WiredHome | 3:17928786bdb5 | 828 | if (queryString) { |
WiredHome | 3:17928786bdb5 | 829 | // We have enough to try to reply |
WiredHome | 37:0cb2774e2410 | 830 | INFO("create reply queryType{%s}, queryString{%s}", queryType, queryString); |
WiredHome | 13:8975d7928678 | 831 | // parse queryParams - if any |
WiredHome | 3:17928786bdb5 | 832 | // /file.htm?name1=value1&name2=value2... |
WiredHome | 3:17928786bdb5 | 833 | // /file.htm?name1&name2=value2... |
WiredHome | 13:8975d7928678 | 834 | queryParamCount = 0; |
WiredHome | 3:17928786bdb5 | 835 | char * paramDelim = strchr(queryString, '?'); |
WiredHome | 3:17928786bdb5 | 836 | if (paramDelim) { |
WiredHome | 3:17928786bdb5 | 837 | *paramDelim++ = '\0'; |
WiredHome | 3:17928786bdb5 | 838 | UnescapeString(paramDelim); // everything after the '?' |
WiredHome | 39:0427544a5c08 | 839 | ParseParameters(queryParams, &queryParamCount, maxqueryParams, paramDelim); // pointing past the NULL, and there are queryParams here |
WiredHome | 3:17928786bdb5 | 840 | } |
WiredHome | 3:17928786bdb5 | 841 | } else { |
WiredHome | 29:00116fc9da74 | 842 | ERR("queryString not found in (%s) [this should never happen]", soRec); |
WiredHome | 3:17928786bdb5 | 843 | } |
WiredHome | 44:71f09e4255f4 | 844 | advanceState = ACCEPT_COMPLETE; // Should be ACCEPT_CONTINUE and the stuff below moves out of here |
WiredHome | 3:17928786bdb5 | 845 | buffer[0] = 0; |
WiredHome | 3:17928786bdb5 | 846 | |
WiredHome | 3:17928786bdb5 | 847 | // This part parses the extra data on a POST method. |
WiredHome | 3:17928786bdb5 | 848 | // Since there has to be a dynamic handler registered for this |
WiredHome | 3:17928786bdb5 | 849 | // it would make sense to move some of this responsibility to |
WiredHome | 3:17928786bdb5 | 850 | // that handler. It could then choose if it wanted to allocate |
WiredHome | 3:17928786bdb5 | 851 | // the requested 'Content-Length' amount of memory. |
WiredHome | 13:8975d7928678 | 852 | int postBytes = atoi(GetHeaderValue("Content-Length")); |
WiredHome | 28:f93ef41b78e1 | 853 | CallBackResults acceptIt = ACCEPT_ERROR; |
WiredHome | 44:71f09e4255f4 | 854 | INFO("Content-Length: %d", postBytes); |
WiredHome | 44:71f09e4255f4 | 855 | if (strcmp(queryType, "POST ") == 0 ) { |
WiredHome | 44:71f09e4255f4 | 856 | INFO("parse POST data %d bytes", postBytes); // We might have no idea how much data is coming... |
WiredHome | 44:71f09e4255f4 | 857 | int ndxHandler = 0; |
WiredHome | 44:71f09e4255f4 | 858 | bool regHandled = false; |
WiredHome | 44:71f09e4255f4 | 859 | // Registered Dynamic Handler |
WiredHome | 44:71f09e4255f4 | 860 | // Callback and ask if they want to accept this data |
WiredHome | 44:71f09e4255f4 | 861 | for (ndxHandler=0; ndxHandler<handlercount; ndxHandler++) { |
WiredHome | 44:71f09e4255f4 | 862 | INFO("is '%s' a handler for '%s' ?", handlers[ndxHandler].path, queryString); |
WiredHome | 44:71f09e4255f4 | 863 | if (strcmp(handlers[ndxHandler].path, queryString) == 0) { |
WiredHome | 44:71f09e4255f4 | 864 | acceptIt = (*handlers[ndxHandler].callback)(this, CONTENT_LENGTH_REQUEST, queryString, queryParams, queryParamCount); |
WiredHome | 44:71f09e4255f4 | 865 | regHandled = true; |
WiredHome | 44:71f09e4255f4 | 866 | break; // only one callback per path allowed |
WiredHome | 3:17928786bdb5 | 867 | } |
WiredHome | 44:71f09e4255f4 | 868 | } |
WiredHome | 44:71f09e4255f4 | 869 | INFO("reghandled: %d, acceptIt: %d", regHandled, acceptIt); |
WiredHome | 44:71f09e4255f4 | 870 | if (regHandled && acceptIt != ACCEPT_ERROR) { |
WiredHome | 44:71f09e4255f4 | 871 | // @todo need to refactor - if the thing is bigger than the buffer, |
WiredHome | 44:71f09e4255f4 | 872 | // then we can receive it a chunk at a time, and hand off |
WiredHome | 44:71f09e4255f4 | 873 | // the chunks to the callback. May need callbacks that |
WiredHome | 44:71f09e4255f4 | 874 | // are: DATA_TRANSFER: self-detect to extract the filename/object name, |
WiredHome | 44:71f09e4255f4 | 875 | // DATA_TRANSFER: subsequent chunk of data, |
WiredHome | 44:71f09e4255f4 | 876 | // DATA_TRANSFER_END: signals that last chunk is enclosed. |
WiredHome | 44:71f09e4255f4 | 877 | // |
WiredHome | 44:71f09e4255f4 | 878 | // If so, we'll make space for it |
WiredHome | 44:71f09e4255f4 | 879 | postQueryString = (char *)mymalloc(CHUNK_SIZE); |
WiredHome | 44:71f09e4255f4 | 880 | //INFO("Free space %d", Free()); |
WiredHome | 44:71f09e4255f4 | 881 | INFO("postQueryString %p", postQueryString); |
WiredHome | 44:71f09e4255f4 | 882 | if (postQueryString) { |
WiredHome | 44:71f09e4255f4 | 883 | int len = 0; |
WiredHome | 44:71f09e4255f4 | 884 | int ttlCount; |
WiredHome | 44:71f09e4255f4 | 885 | Timer escapePlan; |
WiredHome | 44:71f09e4255f4 | 886 | bool escape = false; |
WiredHome | 44:71f09e4255f4 | 887 | |
WiredHome | 44:71f09e4255f4 | 888 | INFO("Processing tail..."); |
WiredHome | 44:71f09e4255f4 | 889 | escapePlan.start(); |
WiredHome | 44:71f09e4255f4 | 890 | dblCR += 4; // There may be some after the double CR that we need |
WiredHome | 44:71f09e4255f4 | 891 | ttlCount = strlen(dblCR); |
WiredHome | 58:5303e962f711 | 892 | strcpy_s(postQueryString, CHUNK_SIZE, dblCR); |
WiredHome | 44:71f09e4255f4 | 893 | //INFO(" {%s}", postQueryString); |
WiredHome | 44:71f09e4255f4 | 894 | while ((!postBytes || ttlCount < postBytes) && !escape) { |
WiredHome | 44:71f09e4255f4 | 895 | INFO("ttlCount: %d < postBytes: %d, of max chunk alloc %d", ttlCount, postBytes, CHUNK_SIZE); |
WiredHome | 44:71f09e4255f4 | 896 | len = client.receive(postQueryString + ttlCount, CHUNK_SIZE - ttlCount); |
WiredHome | 44:71f09e4255f4 | 897 | if (len > 0) { |
WiredHome | 44:71f09e4255f4 | 898 | ttlCount += len; |
WiredHome | 44:71f09e4255f4 | 899 | postQueryString[ttlCount] = '\0'; // Whether binary or ASCII, this is ok as it's after the data |
WiredHome | 44:71f09e4255f4 | 900 | INFO(" postBytes %d: [%s], [%d]", postBytes, postQueryString, ndxHandler); |
WiredHome | 44:71f09e4255f4 | 901 | escapePlan.reset(); |
WiredHome | 44:71f09e4255f4 | 902 | } else if (len < 0) { |
WiredHome | 44:71f09e4255f4 | 903 | INFO("*** connection closed ***"); |
WiredHome | 44:71f09e4255f4 | 904 | break; // no more data, before the plan |
WiredHome | 44:71f09e4255f4 | 905 | } else { // n == 0 |
WiredHome | 44:71f09e4255f4 | 906 | ; |
WiredHome | 3:17928786bdb5 | 907 | } |
WiredHome | 44:71f09e4255f4 | 908 | if (escapePlan.read_ms() > HANG_TIMEOUT_MS) { // if no Content-Length, we wait... |
WiredHome | 44:71f09e4255f4 | 909 | escape = true; |
WiredHome | 44:71f09e4255f4 | 910 | WARN("Escape plan activated."); |
WiredHome | 44:71f09e4255f4 | 911 | } |
WiredHome | 44:71f09e4255f4 | 912 | if (postBytes > 0 && ttlCount >= postBytes) |
WiredHome | 44:71f09e4255f4 | 913 | break; |
WiredHome | 3:17928786bdb5 | 914 | } |
WiredHome | 44:71f09e4255f4 | 915 | //postParamCount = 0; |
WiredHome | 44:71f09e4255f4 | 916 | //INFO("post: %s", postQueryString); |
WiredHome | 44:71f09e4255f4 | 917 | //We're after the header, so there is "body" stuff which could be anything... |
WiredHome | 44:71f09e4255f4 | 918 | //but probably html or xml stuff... |
WiredHome | 44:71f09e4255f4 | 919 | //ParseParameters(postParams, &postParamCount, maxPostParams, postQueryString); |
WiredHome | 44:71f09e4255f4 | 920 | acceptIt = (*handlers[ndxHandler].callback)(this, DATA_TRANSFER, postQueryString, NULL, ttlCount); |
WiredHome | 44:71f09e4255f4 | 921 | INFO("..processing exit"); |
WiredHome | 44:71f09e4255f4 | 922 | acceptIt = (*handlers[ndxHandler].callback)(this, DATA_TRANSFER_END, NULL, NULL, 0); |
WiredHome | 3:17928786bdb5 | 923 | } else { |
WiredHome | 44:71f09e4255f4 | 924 | ERR("attempt to allocate %d failed.", CHUNK_SIZE); |
WiredHome | 44:71f09e4255f4 | 925 | } |
WiredHome | 44:71f09e4255f4 | 926 | } else { |
WiredHome | 44:71f09e4255f4 | 927 | // Simply copy it to the bitbucket |
WiredHome | 44:71f09e4255f4 | 928 | WARN("No handler, so to the bit bucket it goes ..."); |
WiredHome | 44:71f09e4255f4 | 929 | int bytesToDump = postBytes; |
WiredHome | 44:71f09e4255f4 | 930 | char * bitbucket = (char *)mymalloc(201); |
WiredHome | 44:71f09e4255f4 | 931 | |
WiredHome | 44:71f09e4255f4 | 932 | dblCR += 4; |
WiredHome | 44:71f09e4255f4 | 933 | while (*dblCR && *dblCR <= ' ') |
WiredHome | 44:71f09e4255f4 | 934 | dblCR++; |
WiredHome | 44:71f09e4255f4 | 935 | bytesToDump -= strlen(dblCR); |
WiredHome | 44:71f09e4255f4 | 936 | while (bytesToDump > 0) { |
WiredHome | 44:71f09e4255f4 | 937 | int n = (bytesToDump > 200) ? 200 : bytesToDump; |
WiredHome | 44:71f09e4255f4 | 938 | n = client.receive(bitbucket, n); |
WiredHome | 44:71f09e4255f4 | 939 | if (n < 0) { |
WiredHome | 44:71f09e4255f4 | 940 | ERR("to the bitbucket."); |
WiredHome | 44:71f09e4255f4 | 941 | break; |
WiredHome | 3:17928786bdb5 | 942 | } |
WiredHome | 44:71f09e4255f4 | 943 | bytesToDump -= n; |
WiredHome | 3:17928786bdb5 | 944 | } |
WiredHome | 44:71f09e4255f4 | 945 | myfree(bitbucket); |
WiredHome | 3:17928786bdb5 | 946 | } |
WiredHome | 3:17928786bdb5 | 947 | } |
WiredHome | 3:17928786bdb5 | 948 | } |
WiredHome | 3:17928786bdb5 | 949 | return advanceState; |
WiredHome | 3:17928786bdb5 | 950 | } |
WiredHome | 3:17928786bdb5 | 951 | |
WiredHome | 14:19c5f6151319 | 952 | |
WiredHome | 27:90a1f5a5392f | 953 | |
WiredHome | 13:8975d7928678 | 954 | const char * HTTPServer::GetHeaderValue(const char * hdr) |
WiredHome | 13:8975d7928678 | 955 | { |
WiredHome | 13:8975d7928678 | 956 | int i; |
WiredHome | 29:00116fc9da74 | 957 | |
WiredHome | 29:00116fc9da74 | 958 | for (i=0; i<headerParamCount; i++) { |
WiredHome | 13:8975d7928678 | 959 | if (strcmp(hdr, headerParams[i].name) == 0) |
WiredHome | 13:8975d7928678 | 960 | return headerParams[i].value; |
WiredHome | 29:00116fc9da74 | 961 | } |
WiredHome | 13:8975d7928678 | 962 | return NULL; |
WiredHome | 13:8975d7928678 | 963 | } |
WiredHome | 13:8975d7928678 | 964 | |
WiredHome | 12:109bf1558300 | 965 | |
WiredHome | 7:99ad7a67f05e | 966 | void HTTPServer::GetPerformanceData(SW_PerformanceData * p) |
WiredHome | 7:99ad7a67f05e | 967 | { |
WiredHome | 3:17928786bdb5 | 968 | memcpy(p, &perfData, sizeof(perfData)); |
WiredHome | 3:17928786bdb5 | 969 | } |
WiredHome | 3:17928786bdb5 | 970 | |
WiredHome | 17:69ff00ce39f4 | 971 | unsigned int HTTPServer::GetPerformanceClock() |
WiredHome | 17:69ff00ce39f4 | 972 | { |
WiredHome | 17:69ff00ce39f4 | 973 | return (unsigned int)PerformanceTimer.read_us(); |
WiredHome | 17:69ff00ce39f4 | 974 | } |
WiredHome | 14:19c5f6151319 | 975 | |
WiredHome | 16:6ebacf2946d8 | 976 | unsigned int HTTPServer::RecordPerformanceData(SW_PerformanceParam * param, unsigned int refTime) |
WiredHome | 7:99ad7a67f05e | 977 | { |
WiredHome | 16:6ebacf2946d8 | 978 | unsigned int t_now = (unsigned int)PerformanceTimer.read_us(); |
WiredHome | 3:17928786bdb5 | 979 | param->TotalTime_us += (t_now - refTime); |
WiredHome | 3:17928786bdb5 | 980 | param->Samples++; |
WiredHome | 3:17928786bdb5 | 981 | if ((t_now - refTime) > param->MaxTime_us) |
WiredHome | 3:17928786bdb5 | 982 | param->MaxTime_us = (t_now - refTime); |
WiredHome | 3:17928786bdb5 | 983 | return t_now; |
WiredHome | 3:17928786bdb5 | 984 | } |
WiredHome | 3:17928786bdb5 | 985 | |
WiredHome | 14:19c5f6151319 | 986 | |
WiredHome | 7:99ad7a67f05e | 987 | void HTTPServer::ResetPerformanceData() |
WiredHome | 7:99ad7a67f05e | 988 | { |
WiredHome | 3:17928786bdb5 | 989 | memset(&perfData, 0, sizeof(perfData)); |
WiredHome | 3:17928786bdb5 | 990 | } |
WiredHome | 3:17928786bdb5 | 991 |