GainSpan Wi-Fi library see: http://mbed.org/users/gsfan/notebook/gainspan_wifi/
Dependents: GSwifi_httpd GSwifi_websocket GSwifi_tcpclient GSwifi_tcpserver ... more
Fork of GSwifi by
GainSpan Wi-Fi library
The GS1011 is an ultra low power 802.11b wireless module from GainSpan.
see: http://mbed.org/users/gsfan/notebook/gainspan_wifi/
ゲインスパン Wi-Fi モジュール ライブラリ
ゲインスパン社の低電力 Wi-Fiモジュール(無線LAN) GS1011 シリーズ用のライブラリです。
解説: http://mbed.org/users/gsfan/notebook/gainspan_wifi/
GSwifi_httpd.cpp@23:a783c62c36d0, 2013-01-21 (annotated)
- Committer:
- gsfan
- Date:
- Mon Jan 21 05:58:28 2013 +0000
- Revision:
- 23:a783c62c36d0
- Parent:
- 22:9b077e2823ce
- Child:
- 24:5c350ae2e703
support websocket
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
gsfan | 18:4b97804c37d1 | 1 | #include "dbg.h" |
gsfan | 18:4b97804c37d1 | 2 | #include "mbed.h" |
gsfan | 18:4b97804c37d1 | 3 | #include "GSwifi.h" |
gsfan | 23:a783c62c36d0 | 4 | #include "sha1.h" |
gsfan | 23:a783c62c36d0 | 5 | #include <string.h> |
gsfan | 18:4b97804c37d1 | 6 | |
gsfan | 20:151b5a4fdd29 | 7 | #ifdef GS_USE_HTTPD |
gsfan | 20:151b5a4fdd29 | 8 | |
gsfan | 22:9b077e2823ce | 9 | #define MIMETABLE_NUM 8 |
gsfan | 19:cad912f5a6ba | 10 | struct { |
gsfan | 20:151b5a4fdd29 | 11 | char ext[6]; |
gsfan | 22:9b077e2823ce | 12 | char type[24]; |
gsfan | 19:cad912f5a6ba | 13 | } mimetable[MIMETABLE_NUM] = { |
gsfan | 19:cad912f5a6ba | 14 | {".txt", "text/plain"}, |
gsfan | 20:151b5a4fdd29 | 15 | {".html", "text/html"}, |
gsfan | 19:cad912f5a6ba | 16 | {".htm", "text/html"}, |
gsfan | 19:cad912f5a6ba | 17 | {".css", "text/css"}, |
gsfan | 22:9b077e2823ce | 18 | {".js", "application/javascript"}, |
gsfan | 19:cad912f5a6ba | 19 | {".jpg", "image/jpeg"}, |
gsfan | 19:cad912f5a6ba | 20 | {".png", "image/png"}, |
gsfan | 19:cad912f5a6ba | 21 | {".gif", "image/gif"}, |
gsfan | 19:cad912f5a6ba | 22 | }; |
gsfan | 19:cad912f5a6ba | 23 | |
gsfan | 18:4b97804c37d1 | 24 | int GSwifi::httpd (int port) { |
gsfan | 18:4b97804c37d1 | 25 | int i; |
gsfan | 18:4b97804c37d1 | 26 | char cmd[GS_CMD_SIZE]; |
gsfan | 18:4b97804c37d1 | 27 | |
gsfan | 18:4b97804c37d1 | 28 | if (! _connect || _status != GSSTAT_READY) return -1; |
gsfan | 18:4b97804c37d1 | 29 | |
gsfan | 23:a783c62c36d0 | 30 | memset(&_httpd, 0, sizeof(_httpd)); |
gsfan | 18:4b97804c37d1 | 31 | for (i = 0; i < 16; i ++) { |
gsfan | 23:a783c62c36d0 | 32 | _httpd[i].mode = GSHTTPDMODE_REQUEST; |
gsfan | 18:4b97804c37d1 | 33 | } |
gsfan | 18:4b97804c37d1 | 34 | _handler_count = 0; |
gsfan | 18:4b97804c37d1 | 35 | |
gsfan | 18:4b97804c37d1 | 36 | sprintf(cmd, "AT+NSTCP=%d", port); |
gsfan | 18:4b97804c37d1 | 37 | if (command(cmd, GSRES_CONNECT)) return -1; |
gsfan | 18:4b97804c37d1 | 38 | |
gsfan | 18:4b97804c37d1 | 39 | newSock(_cid, GSTYPE_SERVER, GSPROT_HTTPD, NULL); |
gsfan | 19:cad912f5a6ba | 40 | /* |
gsfan | 19:cad912f5a6ba | 41 | // newSock(_cid, GSTYPE_SERVER, GSPROT_HTTPD, &GSwifi::poll_httpd); |
gsfan | 19:cad912f5a6ba | 42 | // newSock(_cid, GSTYPE_SERVER, GSPROT_HTTPD, reinterpret_cast<onGsReceiveFunc>(&GSwifi::poll_httpd)); |
gsfan | 19:cad912f5a6ba | 43 | void (GSwifi::*f1)(int,int) = &GSwifi::poll_httpd; |
gsfan | 19:cad912f5a6ba | 44 | onGsReceiveFunc f2 = reinterpret_cast<onGsReceiveFunc>(f1); |
gsfan | 19:cad912f5a6ba | 45 | newSock(_cid, GSTYPE_SERVER, GSPROT_HTTPD, f2); |
gsfan | 19:cad912f5a6ba | 46 | */ |
gsfan | 18:4b97804c37d1 | 47 | return _cid; |
gsfan | 18:4b97804c37d1 | 48 | } |
gsfan | 18:4b97804c37d1 | 49 | |
gsfan | 18:4b97804c37d1 | 50 | void GSwifi::poll_httpd (int cid, int len) { |
gsfan | 18:4b97804c37d1 | 51 | int i, j, flg = 0; |
gsfan | 18:4b97804c37d1 | 52 | char c; |
gsfan | 18:4b97804c37d1 | 53 | |
gsfan | 18:4b97804c37d1 | 54 | if (len == 0) { |
gsfan | 23:a783c62c36d0 | 55 | // start request |
gsfan | 23:a783c62c36d0 | 56 | _httpd[cid].mode = GSHTTPDMODE_REQUEST; |
gsfan | 18:4b97804c37d1 | 57 | _httpd[cid].len = 0; |
gsfan | 18:4b97804c37d1 | 58 | _httpd[cid].keepalive = 0; |
gsfan | 23:a783c62c36d0 | 59 | #ifdef GS_USE_WEBSOCKET |
gsfan | 23:a783c62c36d0 | 60 | _httpd[cid].websocket = 0; |
gsfan | 23:a783c62c36d0 | 61 | #endif |
gsfan | 18:4b97804c37d1 | 62 | return; |
gsfan | 18:4b97804c37d1 | 63 | } |
gsfan | 18:4b97804c37d1 | 64 | |
gsfan | 23:a783c62c36d0 | 65 | #ifdef GS_USE_WEBSOCKET |
gsfan | 23:a783c62c36d0 | 66 | if (_httpd[cid].mode >= GSHTTPDMODE_WEBSOCKET) { |
gsfan | 23:a783c62c36d0 | 67 | poll_websocket(cid, len); |
gsfan | 23:a783c62c36d0 | 68 | return; |
gsfan | 23:a783c62c36d0 | 69 | } |
gsfan | 23:a783c62c36d0 | 70 | #endif |
gsfan | 23:a783c62c36d0 | 71 | |
gsfan | 18:4b97804c37d1 | 72 | while (_gs_sock[cid].connect && _gs_sock[cid].data->use()) { |
gsfan | 18:4b97804c37d1 | 73 | flg = 0; |
gsfan | 18:4b97804c37d1 | 74 | if (_httpd[cid].buf == NULL) { |
gsfan | 18:4b97804c37d1 | 75 | _httpd[cid].buf = new char[HTTPD_BUF_SIZE]; |
gsfan | 18:4b97804c37d1 | 76 | } |
gsfan | 23:a783c62c36d0 | 77 | // get 1 line |
gsfan | 18:4b97804c37d1 | 78 | for (j = 0; j < len; j ++) { |
gsfan | 18:4b97804c37d1 | 79 | _gs_sock[cid].data->get(&c); |
gsfan | 18:4b97804c37d1 | 80 | if (c == '\r') continue; |
gsfan | 23:a783c62c36d0 | 81 | if (c == '\n' && _httpd[cid].mode != GSHTTPDMODE_BODY) break; |
gsfan | 18:4b97804c37d1 | 82 | |
gsfan | 18:4b97804c37d1 | 83 | if (_httpd[cid].len < HTTPD_BUF_SIZE - 1) { |
gsfan | 18:4b97804c37d1 | 84 | _httpd[cid].buf[_httpd[cid].len] = c; |
gsfan | 18:4b97804c37d1 | 85 | } |
gsfan | 18:4b97804c37d1 | 86 | _httpd[cid].len ++; |
gsfan | 23:a783c62c36d0 | 87 | if (_httpd[cid].mode == GSHTTPDMODE_BODY && _httpd[cid].len >= _httpd[cid].length) break; // end of body |
gsfan | 18:4b97804c37d1 | 88 | } |
gsfan | 23:a783c62c36d0 | 89 | if (j >= len) return; // continue |
gsfan | 18:4b97804c37d1 | 90 | if (_httpd[cid].len < HTTPD_BUF_SIZE) { |
gsfan | 18:4b97804c37d1 | 91 | _httpd[cid].buf[_httpd[cid].len] = 0; |
gsfan | 20:151b5a4fdd29 | 92 | DBG("httpd %d: %d %s (%d)\r\n", cid, _httpd[cid].mode, _httpd[cid].buf, _httpd[cid].len); |
gsfan | 18:4b97804c37d1 | 93 | } |
gsfan | 18:4b97804c37d1 | 94 | |
gsfan | 23:a783c62c36d0 | 95 | // parse |
gsfan | 18:4b97804c37d1 | 96 | switch (_httpd[cid].mode) { |
gsfan | 23:a783c62c36d0 | 97 | case GSHTTPDMODE_REQUEST: |
gsfan | 23:a783c62c36d0 | 98 | if (strnicmp(_httpd[cid].buf, "GET ", 4) == 0) { |
gsfan | 19:cad912f5a6ba | 99 | _httpd[cid].type = GSPROT_HTTPGET; |
gsfan | 18:4b97804c37d1 | 100 | j = 4; |
gsfan | 18:4b97804c37d1 | 101 | } else |
gsfan | 23:a783c62c36d0 | 102 | if (strnicmp(_httpd[cid].buf, "POST ", 5) == 0) { |
gsfan | 19:cad912f5a6ba | 103 | _httpd[cid].type = GSPROT_HTTPPOST; |
gsfan | 18:4b97804c37d1 | 104 | j = 5; |
gsfan | 18:4b97804c37d1 | 105 | } else { |
gsfan | 23:a783c62c36d0 | 106 | _httpd[cid].mode = GSHTTPDMODE_ERROR; |
gsfan | 18:4b97804c37d1 | 107 | break; |
gsfan | 18:4b97804c37d1 | 108 | } |
gsfan | 18:4b97804c37d1 | 109 | |
gsfan | 23:a783c62c36d0 | 110 | // get uri |
gsfan | 18:4b97804c37d1 | 111 | for (i = j; i < _httpd[cid].len; i ++) { |
gsfan | 18:4b97804c37d1 | 112 | if (_httpd[cid].buf[i] == ' ') break; |
gsfan | 18:4b97804c37d1 | 113 | } |
gsfan | 18:4b97804c37d1 | 114 | i = i - j; |
gsfan | 18:4b97804c37d1 | 115 | if (i) { |
gsfan | 18:4b97804c37d1 | 116 | if (_httpd[cid].uri == NULL) { |
gsfan | 18:4b97804c37d1 | 117 | _httpd[cid].uri = new char[HTTPD_URI_SIZE]; |
gsfan | 18:4b97804c37d1 | 118 | } |
gsfan | 18:4b97804c37d1 | 119 | strncpy(_httpd[cid].uri, &_httpd[cid].buf[j], i); |
gsfan | 18:4b97804c37d1 | 120 | _httpd[cid].uri[i] = 0; |
gsfan | 18:4b97804c37d1 | 121 | } |
gsfan | 23:a783c62c36d0 | 122 | _httpd[cid].mode = GSHTTPDMODE_HEAD; |
gsfan | 18:4b97804c37d1 | 123 | _httpd[cid].length = 0; |
gsfan | 18:4b97804c37d1 | 124 | DBG("uri: %s\r\n", _httpd[cid].uri); |
gsfan | 18:4b97804c37d1 | 125 | break; |
gsfan | 18:4b97804c37d1 | 126 | |
gsfan | 23:a783c62c36d0 | 127 | case GSHTTPDMODE_HEAD: |
gsfan | 18:4b97804c37d1 | 128 | if (_httpd[cid].len == 0) { |
gsfan | 23:a783c62c36d0 | 129 | // blank line (end of header) |
gsfan | 23:a783c62c36d0 | 130 | _httpd[cid].mode = GSHTTPDMODE_BODY; |
gsfan | 19:cad912f5a6ba | 131 | if (_httpd[cid].length == 0) flg = 1; // no body |
gsfan | 23:a783c62c36d0 | 132 | #ifdef GS_USE_WEBSOCKET |
gsfan | 23:a783c62c36d0 | 133 | if (_httpd[cid].websocket && _httpd[cid].websocket_key) { |
gsfan | 23:a783c62c36d0 | 134 | // enter websocket |
gsfan | 23:a783c62c36d0 | 135 | _httpd[cid].mode = GSHTTPDMODE_WEBSOCKET; |
gsfan | 23:a783c62c36d0 | 136 | _httpd[cid].len = 0; |
gsfan | 23:a783c62c36d0 | 137 | flg = 1; |
gsfan | 23:a783c62c36d0 | 138 | } |
gsfan | 23:a783c62c36d0 | 139 | #endif |
gsfan | 18:4b97804c37d1 | 140 | } else |
gsfan | 23:a783c62c36d0 | 141 | if (strnicmp(_httpd[cid].buf, "Content-Length: ", 16) == 0) { |
gsfan | 18:4b97804c37d1 | 142 | _httpd[cid].length = atoi(&_httpd[cid].buf[16]); |
gsfan | 18:4b97804c37d1 | 143 | } else |
gsfan | 23:a783c62c36d0 | 144 | if (strnicmp(_httpd[cid].buf, "Connection: Keep-Alive", 22) == 0) { |
gsfan | 18:4b97804c37d1 | 145 | if (! _httpd[cid].keepalive) { |
gsfan | 18:4b97804c37d1 | 146 | _httpd[cid].keepalive = HTTPD_KEEPALIVE; |
gsfan | 18:4b97804c37d1 | 147 | } |
gsfan | 23:a783c62c36d0 | 148 | #ifdef GS_USE_WEBSOCKET |
gsfan | 23:a783c62c36d0 | 149 | } else |
gsfan | 23:a783c62c36d0 | 150 | if (strnicmp(_httpd[cid].buf, "Upgrade: websocket", 18) == 0) { |
gsfan | 23:a783c62c36d0 | 151 | if (! _httpd[cid].websocket) _httpd[cid].websocket = 1; |
gsfan | 23:a783c62c36d0 | 152 | } else |
gsfan | 23:a783c62c36d0 | 153 | if (strnicmp(_httpd[cid].buf, "Sec-WebSocket-Version: ", 23) == 0) { |
gsfan | 23:a783c62c36d0 | 154 | _httpd[cid].websocket = atoi(&_httpd[cid].buf[23]); |
gsfan | 23:a783c62c36d0 | 155 | } else |
gsfan | 23:a783c62c36d0 | 156 | if (strnicmp(_httpd[cid].buf, "Sec-WebSocket-Key: ", 19) == 0) { |
gsfan | 23:a783c62c36d0 | 157 | if (_httpd[cid].websocket_key == NULL) { |
gsfan | 23:a783c62c36d0 | 158 | _httpd[cid].websocket_key = new char[30]; |
gsfan | 23:a783c62c36d0 | 159 | } |
gsfan | 23:a783c62c36d0 | 160 | strncpy(_httpd[cid].websocket_key, &_httpd[cid].buf[19], 30); |
gsfan | 23:a783c62c36d0 | 161 | #endif |
gsfan | 18:4b97804c37d1 | 162 | } |
gsfan | 18:4b97804c37d1 | 163 | break; |
gsfan | 18:4b97804c37d1 | 164 | |
gsfan | 23:a783c62c36d0 | 165 | case GSHTTPDMODE_BODY: |
gsfan | 18:4b97804c37d1 | 166 | if (_httpd[cid].len >= _httpd[cid].length) { |
gsfan | 18:4b97804c37d1 | 167 | DBG("body: %s\r\n", _httpd[cid].buf); |
gsfan | 18:4b97804c37d1 | 168 | flg = 1; |
gsfan | 18:4b97804c37d1 | 169 | } |
gsfan | 18:4b97804c37d1 | 170 | break; |
gsfan | 23:a783c62c36d0 | 171 | |
gsfan | 18:4b97804c37d1 | 172 | } |
gsfan | 18:4b97804c37d1 | 173 | |
gsfan | 23:a783c62c36d0 | 174 | #ifdef GS_USE_WEBSOCKET |
gsfan | 23:a783c62c36d0 | 175 | if (flg && _httpd[cid].mode == GSHTTPDMODE_WEBSOCKET) { |
gsfan | 23:a783c62c36d0 | 176 | // websocket |
gsfan | 23:a783c62c36d0 | 177 | send_websocket_accept(cid); |
gsfan | 23:a783c62c36d0 | 178 | break; // break while |
gsfan | 23:a783c62c36d0 | 179 | |
gsfan | 23:a783c62c36d0 | 180 | } else |
gsfan | 23:a783c62c36d0 | 181 | #endif |
gsfan | 18:4b97804c37d1 | 182 | if (flg) { |
gsfan | 18:4b97804c37d1 | 183 | // http request |
gsfan | 18:4b97804c37d1 | 184 | _httpd[cid].buf[_httpd[cid].len] = 0; |
gsfan | 19:cad912f5a6ba | 185 | |
gsfan | 23:a783c62c36d0 | 186 | i = get_handler(_httpd[cid].uri); |
gsfan | 23:a783c62c36d0 | 187 | if (i >= 0) { |
gsfan | 23:a783c62c36d0 | 188 | _httpd[cid].host = _gs_sock[cid].host; |
gsfan | 23:a783c62c36d0 | 189 | j = strlen(_handler[i].uri); |
gsfan | 23:a783c62c36d0 | 190 | _httpd[cid].file = &_httpd[cid].uri[j]; |
gsfan | 23:a783c62c36d0 | 191 | _httpd[cid].query = NULL; |
gsfan | 23:a783c62c36d0 | 192 | for (; j < strlen(_httpd[cid].uri); j ++) { |
gsfan | 23:a783c62c36d0 | 193 | if (_httpd[cid].uri[j] == '?') { |
gsfan | 23:a783c62c36d0 | 194 | // query string |
gsfan | 23:a783c62c36d0 | 195 | _httpd[cid].uri[j] = 0; |
gsfan | 23:a783c62c36d0 | 196 | _httpd[cid].query = &_httpd[cid].uri[j + 1]; |
gsfan | 23:a783c62c36d0 | 197 | break; |
gsfan | 18:4b97804c37d1 | 198 | } |
gsfan | 18:4b97804c37d1 | 199 | } |
gsfan | 23:a783c62c36d0 | 200 | |
gsfan | 23:a783c62c36d0 | 201 | if (_handler[i].dir) { |
gsfan | 23:a783c62c36d0 | 202 | // file |
gsfan | 23:a783c62c36d0 | 203 | httpd_request(cid, &_httpd[cid], _handler[i].dir); |
gsfan | 23:a783c62c36d0 | 204 | flg = 1; |
gsfan | 23:a783c62c36d0 | 205 | } else |
gsfan | 23:a783c62c36d0 | 206 | if (_handler[i].onHttpCgi) { |
gsfan | 23:a783c62c36d0 | 207 | // cgi |
gsfan | 23:a783c62c36d0 | 208 | _handler[i].onHttpCgi(cid, &_httpd[cid]); |
gsfan | 23:a783c62c36d0 | 209 | _httpd[cid].keepalive = 0; |
gsfan | 23:a783c62c36d0 | 210 | LOG("%d.%d.%d.%d ", _httpd[cid].host.getIp()[0], _httpd[cid].host.getIp()[1], _httpd[cid].host.getIp()[2], _httpd[cid].host.getIp()[3]); |
gsfan | 23:a783c62c36d0 | 211 | LOG("%s %s %d 200 -\r\n", _httpd[cid].type == GSPROT_HTTPGET ? "GET" : "POST", _httpd[cid].uri, _httpd[cid].length); |
gsfan | 23:a783c62c36d0 | 212 | flg = 1; |
gsfan | 23:a783c62c36d0 | 213 | } |
gsfan | 23:a783c62c36d0 | 214 | } else { |
gsfan | 19:cad912f5a6ba | 215 | // not found |
gsfan | 18:4b97804c37d1 | 216 | send_httpd_error(cid, 403); |
gsfan | 18:4b97804c37d1 | 217 | } |
gsfan | 18:4b97804c37d1 | 218 | |
gsfan | 18:4b97804c37d1 | 219 | if (_httpd[cid].keepalive) { |
gsfan | 23:a783c62c36d0 | 220 | _httpd[cid].mode = GSHTTPDMODE_REQUEST; |
gsfan | 18:4b97804c37d1 | 221 | _httpd[cid].len = 0; |
gsfan | 18:4b97804c37d1 | 222 | _httpd[cid].length = 0; |
gsfan | 18:4b97804c37d1 | 223 | _httpd[cid].keepalive --; |
gsfan | 18:4b97804c37d1 | 224 | } else { |
gsfan | 18:4b97804c37d1 | 225 | close(cid); |
gsfan | 18:4b97804c37d1 | 226 | } |
gsfan | 18:4b97804c37d1 | 227 | } |
gsfan | 18:4b97804c37d1 | 228 | |
gsfan | 23:a783c62c36d0 | 229 | if (_httpd[cid].mode == GSHTTPDMODE_ERROR) { |
gsfan | 18:4b97804c37d1 | 230 | send_httpd_error(cid, 400); |
gsfan | 18:4b97804c37d1 | 231 | } |
gsfan | 18:4b97804c37d1 | 232 | |
gsfan | 18:4b97804c37d1 | 233 | _httpd[cid].len = 0; |
gsfan | 23:a783c62c36d0 | 234 | } // while |
gsfan | 23:a783c62c36d0 | 235 | } |
gsfan | 23:a783c62c36d0 | 236 | |
gsfan | 23:a783c62c36d0 | 237 | int GSwifi::get_handler (char *uri) { |
gsfan | 23:a783c62c36d0 | 238 | int i, j; |
gsfan | 23:a783c62c36d0 | 239 | |
gsfan | 23:a783c62c36d0 | 240 | for (i = 0; i < _handler_count; i ++) { |
gsfan | 23:a783c62c36d0 | 241 | j = strlen(_handler[i].uri); |
gsfan | 23:a783c62c36d0 | 242 | if (strncmp(uri, _handler[i].uri, j) == NULL) { |
gsfan | 23:a783c62c36d0 | 243 | // found |
gsfan | 23:a783c62c36d0 | 244 | return i; |
gsfan | 23:a783c62c36d0 | 245 | } |
gsfan | 23:a783c62c36d0 | 246 | } |
gsfan | 23:a783c62c36d0 | 247 | return -1; |
gsfan | 18:4b97804c37d1 | 248 | } |
gsfan | 18:4b97804c37d1 | 249 | |
gsfan | 19:cad912f5a6ba | 250 | int GSwifi::httpd_request (int cid, GS_httpd *gshttpd, char *dir) { |
gsfan | 18:4b97804c37d1 | 251 | FILE *fp; |
gsfan | 20:151b5a4fdd29 | 252 | int i, len; |
gsfan | 20:151b5a4fdd29 | 253 | char buf[HTTPD_BUF_SIZE]; |
gsfan | 20:151b5a4fdd29 | 254 | char file[HTTPD_URI_SIZE]; |
gsfan | 18:4b97804c37d1 | 255 | |
gsfan | 20:151b5a4fdd29 | 256 | strcpy(file, dir); |
gsfan | 20:151b5a4fdd29 | 257 | strcat(file, gshttpd->file); |
gsfan | 20:151b5a4fdd29 | 258 | if (file[strlen(file) - 1] == '/') { |
gsfan | 20:151b5a4fdd29 | 259 | strcat(file, "index.htm"); |
gsfan | 18:4b97804c37d1 | 260 | } |
gsfan | 20:151b5a4fdd29 | 261 | DBG("file: %s\r\n", file); |
gsfan | 18:4b97804c37d1 | 262 | |
gsfan | 20:151b5a4fdd29 | 263 | fp = fopen(file, "r"); |
gsfan | 18:4b97804c37d1 | 264 | if (fp) { |
gsfan | 19:cad912f5a6ba | 265 | send(cid, "HTTP/1.1 200 OK\r\n", 17); |
gsfan | 18:4b97804c37d1 | 266 | { |
gsfan | 19:cad912f5a6ba | 267 | // file size |
gsfan | 20:151b5a4fdd29 | 268 | i = ftell(fp); |
gsfan | 18:4b97804c37d1 | 269 | fseek(fp, 0, SEEK_END); |
gsfan | 20:151b5a4fdd29 | 270 | len = ftell(fp); |
gsfan | 20:151b5a4fdd29 | 271 | fseek(fp, i, SEEK_SET); |
gsfan | 18:4b97804c37d1 | 272 | } |
gsfan | 20:151b5a4fdd29 | 273 | sprintf(buf, "Content-Length: %d\r\n", len); |
gsfan | 18:4b97804c37d1 | 274 | send(cid, buf, strlen(buf)); |
gsfan | 20:151b5a4fdd29 | 275 | sprintf(buf, "Content-Type: %s\r\n", mimetype(file)); |
gsfan | 18:4b97804c37d1 | 276 | send(cid, buf, strlen(buf)); |
gsfan | 19:cad912f5a6ba | 277 | if (gshttpd->keepalive) { |
gsfan | 18:4b97804c37d1 | 278 | strcpy(buf, "Connection: Keep-Alive\r\n"); |
gsfan | 18:4b97804c37d1 | 279 | } else { |
gsfan | 18:4b97804c37d1 | 280 | strcpy(buf, "Connection: close\r\n"); |
gsfan | 18:4b97804c37d1 | 281 | } |
gsfan | 18:4b97804c37d1 | 282 | send(cid, buf, strlen(buf)); |
gsfan | 18:4b97804c37d1 | 283 | strcpy(buf, "Server: GSwifi httpd\r\n"); |
gsfan | 18:4b97804c37d1 | 284 | send(cid, buf, strlen(buf)); |
gsfan | 18:4b97804c37d1 | 285 | send(cid, "\r\n", 2); |
gsfan | 18:4b97804c37d1 | 286 | |
gsfan | 18:4b97804c37d1 | 287 | for (;;) { |
gsfan | 18:4b97804c37d1 | 288 | i = fread(buf, sizeof(char), sizeof(buf), fp); |
gsfan | 20:151b5a4fdd29 | 289 | if (i <= 0) break; |
gsfan | 22:9b077e2823ce | 290 | if (! _gs_sock[cid].connect) break; |
gsfan | 18:4b97804c37d1 | 291 | send(cid, buf, i); |
gsfan | 20:151b5a4fdd29 | 292 | #if defined(TARGET_LPC1768) || defined(TARGET_LPC2368) |
gsfan | 18:4b97804c37d1 | 293 | if (feof(fp)) break; |
gsfan | 20:151b5a4fdd29 | 294 | #endif |
gsfan | 18:4b97804c37d1 | 295 | } |
gsfan | 18:4b97804c37d1 | 296 | fclose(fp); |
gsfan | 20:151b5a4fdd29 | 297 | LOG("%d.%d.%d.%d ", _httpd[cid].host.getIp()[0], _httpd[cid].host.getIp()[1], _httpd[cid].host.getIp()[2], _httpd[cid].host.getIp()[3]); |
gsfan | 20:151b5a4fdd29 | 298 | LOG("%s %s %d 200 %d\r\n", _httpd[cid].type == GSPROT_HTTPGET ? "GET" : "POST", _httpd[cid].uri, _httpd[cid].length, len); |
gsfan | 18:4b97804c37d1 | 299 | return 0; |
gsfan | 18:4b97804c37d1 | 300 | } |
gsfan | 18:4b97804c37d1 | 301 | |
gsfan | 18:4b97804c37d1 | 302 | send_httpd_error(cid, 404); |
gsfan | 18:4b97804c37d1 | 303 | return -1; |
gsfan | 18:4b97804c37d1 | 304 | } |
gsfan | 18:4b97804c37d1 | 305 | |
gsfan | 19:cad912f5a6ba | 306 | char *GSwifi::mimetype (char *file) { |
gsfan | 19:cad912f5a6ba | 307 | int i, j; |
gsfan | 19:cad912f5a6ba | 308 | |
gsfan | 20:151b5a4fdd29 | 309 | DBG("<%s>\r\n", file); |
gsfan | 19:cad912f5a6ba | 310 | for (i = 0; i < MIMETABLE_NUM; i ++) { |
gsfan | 19:cad912f5a6ba | 311 | j = strlen(mimetable[i].ext); |
gsfan | 23:a783c62c36d0 | 312 | if (strnicmp(&file[strlen(file) - j], mimetable[i].ext, j) == NULL) { |
gsfan | 19:cad912f5a6ba | 313 | return mimetable[i].type; |
gsfan | 19:cad912f5a6ba | 314 | } |
gsfan | 19:cad912f5a6ba | 315 | } |
gsfan | 19:cad912f5a6ba | 316 | return mimetable[0].type; |
gsfan | 19:cad912f5a6ba | 317 | } |
gsfan | 19:cad912f5a6ba | 318 | |
gsfan | 23:a783c62c36d0 | 319 | int GSwifi::strnicmp (char *p1, char *p2, int n) { |
gsfan | 23:a783c62c36d0 | 320 | int i, r; |
gsfan | 23:a783c62c36d0 | 321 | char c1, c2; |
gsfan | 23:a783c62c36d0 | 322 | |
gsfan | 23:a783c62c36d0 | 323 | for (i = 0; i < n; i ++) { |
gsfan | 23:a783c62c36d0 | 324 | c1 = (p1[i] >= 'a' && p1[i] <= 'z') ? p1[i] - ('a' - 'A'): p1[i]; |
gsfan | 23:a783c62c36d0 | 325 | c2 = (p2[i] >= 'a' && p2[i] <= 'z') ? p2[i] - ('a' - 'A'): p2[i]; |
gsfan | 23:a783c62c36d0 | 326 | r = c1 - c2; |
gsfan | 23:a783c62c36d0 | 327 | if (r) break; |
gsfan | 23:a783c62c36d0 | 328 | } |
gsfan | 23:a783c62c36d0 | 329 | return r; |
gsfan | 23:a783c62c36d0 | 330 | } |
gsfan | 23:a783c62c36d0 | 331 | |
gsfan | 18:4b97804c37d1 | 332 | void GSwifi::send_httpd_error (int cid, int err) { |
gsfan | 18:4b97804c37d1 | 333 | char buf[100], msg[30]; |
gsfan | 18:4b97804c37d1 | 334 | |
gsfan | 18:4b97804c37d1 | 335 | switch (err) { |
gsfan | 18:4b97804c37d1 | 336 | case 400: |
gsfan | 18:4b97804c37d1 | 337 | strcpy(msg, "Bad Request"); |
gsfan | 18:4b97804c37d1 | 338 | break; |
gsfan | 18:4b97804c37d1 | 339 | case 403: |
gsfan | 18:4b97804c37d1 | 340 | strcpy(msg, "Forbidden"); |
gsfan | 18:4b97804c37d1 | 341 | break; |
gsfan | 18:4b97804c37d1 | 342 | case 404: |
gsfan | 18:4b97804c37d1 | 343 | strcpy(msg, "Not Found"); |
gsfan | 18:4b97804c37d1 | 344 | break; |
gsfan | 18:4b97804c37d1 | 345 | case 500: |
gsfan | 18:4b97804c37d1 | 346 | default: |
gsfan | 18:4b97804c37d1 | 347 | strcpy(msg, "Internal Server Error"); |
gsfan | 18:4b97804c37d1 | 348 | break; |
gsfan | 18:4b97804c37d1 | 349 | } |
gsfan | 18:4b97804c37d1 | 350 | DBG("httpd error: %d %d %s\r\n", cid, err, msg); |
gsfan | 18:4b97804c37d1 | 351 | |
gsfan | 18:4b97804c37d1 | 352 | sprintf(buf, "HTTP/1.1 %d %s\r\n", err, msg); |
gsfan | 18:4b97804c37d1 | 353 | send(cid, buf, strlen(buf)); |
gsfan | 18:4b97804c37d1 | 354 | strcpy(buf, "Content-Type: text/html\r\n"); |
gsfan | 18:4b97804c37d1 | 355 | send(cid, buf, strlen(buf)); |
gsfan | 18:4b97804c37d1 | 356 | send(cid, "\r\n", 2); |
gsfan | 18:4b97804c37d1 | 357 | |
gsfan | 18:4b97804c37d1 | 358 | sprintf(buf, "<html><head><title>%d %s</title></head>\r\n", err, msg); |
gsfan | 18:4b97804c37d1 | 359 | send(cid, buf, strlen(buf)); |
gsfan | 18:4b97804c37d1 | 360 | sprintf(buf, "<body><h1>%s</h1></body></html>\r\n", msg); |
gsfan | 18:4b97804c37d1 | 361 | send(cid, buf, strlen(buf)); |
gsfan | 18:4b97804c37d1 | 362 | close(cid); |
gsfan | 20:151b5a4fdd29 | 363 | LOG("%d.%d.%d.%d ", _httpd[cid].host.getIp()[0], _httpd[cid].host.getIp()[1], _httpd[cid].host.getIp()[2], _httpd[cid].host.getIp()[3]); |
gsfan | 20:151b5a4fdd29 | 364 | LOG("%s %s %d %d -\r\n", _httpd[cid].type == GSPROT_HTTPGET ? "GET" : "POST", _httpd[cid].uri, _httpd[cid].length, err); |
gsfan | 18:4b97804c37d1 | 365 | } |
gsfan | 18:4b97804c37d1 | 366 | |
gsfan | 19:cad912f5a6ba | 367 | int GSwifi::attach_httpd (const char *uri, const char *dir) { |
gsfan | 18:4b97804c37d1 | 368 | if (_handler_count < HTTPD_HANDLE) { |
gsfan | 18:4b97804c37d1 | 369 | _handler[_handler_count].uri = new char[strlen(uri) + 1]; |
gsfan | 18:4b97804c37d1 | 370 | strcpy(_handler[_handler_count].uri, uri); |
gsfan | 18:4b97804c37d1 | 371 | _handler[_handler_count].dir = new char[strlen(dir) + 1]; |
gsfan | 18:4b97804c37d1 | 372 | strcpy(_handler[_handler_count].dir, dir); |
gsfan | 18:4b97804c37d1 | 373 | _handler[_handler_count].onHttpCgi = NULL; |
gsfan | 18:4b97804c37d1 | 374 | _handler_count ++; |
gsfan | 18:4b97804c37d1 | 375 | return 0; |
gsfan | 18:4b97804c37d1 | 376 | } else { |
gsfan | 18:4b97804c37d1 | 377 | return -1; |
gsfan | 18:4b97804c37d1 | 378 | } |
gsfan | 18:4b97804c37d1 | 379 | } |
gsfan | 18:4b97804c37d1 | 380 | |
gsfan | 19:cad912f5a6ba | 381 | int GSwifi::attach_httpd (const char *uri, onHttpdCgiFunc ponHttpCgi) { |
gsfan | 18:4b97804c37d1 | 382 | if (_handler_count < HTTPD_HANDLE) { |
gsfan | 18:4b97804c37d1 | 383 | _handler[_handler_count].uri = new char[strlen(uri) + 1]; |
gsfan | 18:4b97804c37d1 | 384 | strcpy(_handler[_handler_count].uri, uri); |
gsfan | 18:4b97804c37d1 | 385 | _handler[_handler_count].dir = NULL; |
gsfan | 18:4b97804c37d1 | 386 | _handler[_handler_count].onHttpCgi = ponHttpCgi; |
gsfan | 18:4b97804c37d1 | 387 | _handler_count ++; |
gsfan | 18:4b97804c37d1 | 388 | return 0; |
gsfan | 18:4b97804c37d1 | 389 | } else { |
gsfan | 18:4b97804c37d1 | 390 | return -1; |
gsfan | 18:4b97804c37d1 | 391 | } |
gsfan | 18:4b97804c37d1 | 392 | } |
gsfan | 20:151b5a4fdd29 | 393 | |
gsfan | 23:a783c62c36d0 | 394 | #ifdef GS_USE_WEBSOCKET |
gsfan | 23:a783c62c36d0 | 395 | void GSwifi::poll_websocket (int cid, int len) { |
gsfan | 23:a783c62c36d0 | 396 | int i, j, flg; |
gsfan | 23:a783c62c36d0 | 397 | unsigned char c; |
gsfan | 23:a783c62c36d0 | 398 | |
gsfan | 23:a783c62c36d0 | 399 | while (_gs_sock[cid].connect && _gs_sock[cid].data->use()) { |
gsfan | 23:a783c62c36d0 | 400 | flg = 0; |
gsfan | 23:a783c62c36d0 | 401 | // get 1 line |
gsfan | 23:a783c62c36d0 | 402 | for (j = 0; j < len; j ++) { |
gsfan | 23:a783c62c36d0 | 403 | _gs_sock[cid].data->get((char*)&c); |
gsfan | 23:a783c62c36d0 | 404 | // DBG("_%c", c); |
gsfan | 23:a783c62c36d0 | 405 | |
gsfan | 23:a783c62c36d0 | 406 | switch (_httpd[cid].mode) { |
gsfan | 23:a783c62c36d0 | 407 | case GSHTTPDMODE_WEBSOCKET: |
gsfan | 23:a783c62c36d0 | 408 | if (_httpd[cid].len == 0) { |
gsfan | 23:a783c62c36d0 | 409 | _httpd[cid].type = c & 0x0f; |
gsfan | 23:a783c62c36d0 | 410 | _httpd[cid].websocket_flg = c << 8; |
gsfan | 23:a783c62c36d0 | 411 | _httpd[cid].len ++; |
gsfan | 23:a783c62c36d0 | 412 | } else |
gsfan | 23:a783c62c36d0 | 413 | if (_httpd[cid].len == 1) { |
gsfan | 23:a783c62c36d0 | 414 | _httpd[cid].websocket_flg |= c; |
gsfan | 23:a783c62c36d0 | 415 | _httpd[cid].length = c & 0x7f; |
gsfan | 23:a783c62c36d0 | 416 | _httpd[cid].len ++; |
gsfan | 23:a783c62c36d0 | 417 | if (_httpd[cid].length < 126) { |
gsfan | 23:a783c62c36d0 | 418 | _httpd[cid].len = 0; |
gsfan | 23:a783c62c36d0 | 419 | if (_httpd[cid].websocket_flg & 0x0080) { |
gsfan | 23:a783c62c36d0 | 420 | _httpd[cid].mode = GSHTTPDMODE_WEBSOCKET_MASK; |
gsfan | 23:a783c62c36d0 | 421 | } else { |
gsfan | 23:a783c62c36d0 | 422 | _httpd[cid].mode = GSHTTPDMODE_WEBSOCKET_BODY; |
gsfan | 23:a783c62c36d0 | 423 | } |
gsfan | 23:a783c62c36d0 | 424 | DBG("ws length %d\r\n", _httpd[cid].length); |
gsfan | 23:a783c62c36d0 | 425 | } |
gsfan | 23:a783c62c36d0 | 426 | } else { |
gsfan | 23:a783c62c36d0 | 427 | // length 16bit,64bit |
gsfan | 23:a783c62c36d0 | 428 | if (_httpd[cid].len == 2) { |
gsfan | 23:a783c62c36d0 | 429 | _httpd[cid].length = c; |
gsfan | 23:a783c62c36d0 | 430 | _httpd[cid].len ++; |
gsfan | 23:a783c62c36d0 | 431 | } else |
gsfan | 23:a783c62c36d0 | 432 | if (_httpd[cid].len < 9 && (_httpd[cid].websocket_flg & 0x7f) == 127) { |
gsfan | 23:a783c62c36d0 | 433 | // 64bit |
gsfan | 23:a783c62c36d0 | 434 | _httpd[cid].length = (_httpd[cid].length << 8) | c; |
gsfan | 23:a783c62c36d0 | 435 | _httpd[cid].len ++; |
gsfan | 23:a783c62c36d0 | 436 | } else { |
gsfan | 23:a783c62c36d0 | 437 | _httpd[cid].length = (_httpd[cid].length << 8) | c; |
gsfan | 23:a783c62c36d0 | 438 | _httpd[cid].len = 0; |
gsfan | 23:a783c62c36d0 | 439 | if (_httpd[cid].websocket_flg & 0x0080) { |
gsfan | 23:a783c62c36d0 | 440 | _httpd[cid].mode = GSHTTPDMODE_WEBSOCKET_MASK; |
gsfan | 23:a783c62c36d0 | 441 | } else { |
gsfan | 23:a783c62c36d0 | 442 | _httpd[cid].mode = GSHTTPDMODE_WEBSOCKET_BODY; |
gsfan | 23:a783c62c36d0 | 443 | } |
gsfan | 23:a783c62c36d0 | 444 | DBG("ws length2 %d\r\n", _httpd[cid].length); |
gsfan | 23:a783c62c36d0 | 445 | } |
gsfan | 23:a783c62c36d0 | 446 | } |
gsfan | 23:a783c62c36d0 | 447 | break; |
gsfan | 23:a783c62c36d0 | 448 | |
gsfan | 23:a783c62c36d0 | 449 | case GSHTTPDMODE_WEBSOCKET_MASK: |
gsfan | 23:a783c62c36d0 | 450 | _httpd[cid].websocket_mask[_httpd[cid].len] = c; |
gsfan | 23:a783c62c36d0 | 451 | _httpd[cid].len ++; |
gsfan | 23:a783c62c36d0 | 452 | if (_httpd[cid].len >= 4) { |
gsfan | 23:a783c62c36d0 | 453 | _httpd[cid].len = 0; |
gsfan | 23:a783c62c36d0 | 454 | _httpd[cid].mode = GSHTTPDMODE_WEBSOCKET_BODY; |
gsfan | 23:a783c62c36d0 | 455 | DBG("ws mask\r\n"); |
gsfan | 23:a783c62c36d0 | 456 | } |
gsfan | 23:a783c62c36d0 | 457 | break; |
gsfan | 23:a783c62c36d0 | 458 | |
gsfan | 23:a783c62c36d0 | 459 | case GSHTTPDMODE_WEBSOCKET_BODY: |
gsfan | 23:a783c62c36d0 | 460 | if (_httpd[cid].len < HTTPD_BUF_SIZE - 1) { |
gsfan | 23:a783c62c36d0 | 461 | if (_httpd[cid].websocket_flg & 0x0080) { |
gsfan | 23:a783c62c36d0 | 462 | _httpd[cid].buf[_httpd[cid].len] = c ^ _httpd[cid].websocket_mask[_httpd[cid].len & 0x03]; |
gsfan | 23:a783c62c36d0 | 463 | } else { |
gsfan | 23:a783c62c36d0 | 464 | _httpd[cid].buf[_httpd[cid].len] = c; |
gsfan | 23:a783c62c36d0 | 465 | } |
gsfan | 23:a783c62c36d0 | 466 | _httpd[cid].len ++; |
gsfan | 23:a783c62c36d0 | 467 | } |
gsfan | 23:a783c62c36d0 | 468 | break; |
gsfan | 23:a783c62c36d0 | 469 | } |
gsfan | 23:a783c62c36d0 | 470 | |
gsfan | 23:a783c62c36d0 | 471 | if (_httpd[cid].mode == GSHTTPDMODE_WEBSOCKET_BODY && _httpd[cid].len >= _httpd[cid].length) { |
gsfan | 23:a783c62c36d0 | 472 | flg = 1; |
gsfan | 23:a783c62c36d0 | 473 | break; |
gsfan | 23:a783c62c36d0 | 474 | } |
gsfan | 23:a783c62c36d0 | 475 | } |
gsfan | 23:a783c62c36d0 | 476 | if (j >= len) return; // continue |
gsfan | 23:a783c62c36d0 | 477 | if (_httpd[cid].len < HTTPD_BUF_SIZE) { |
gsfan | 23:a783c62c36d0 | 478 | _httpd[cid].buf[_httpd[cid].len] = 0; |
gsfan | 23:a783c62c36d0 | 479 | DBG("websocket %d: (%d)\r\n", cid, _httpd[cid].len); |
gsfan | 23:a783c62c36d0 | 480 | } |
gsfan | 23:a783c62c36d0 | 481 | |
gsfan | 23:a783c62c36d0 | 482 | if (flg) { |
gsfan | 23:a783c62c36d0 | 483 | // websocket request |
gsfan | 23:a783c62c36d0 | 484 | DBG("ws type %d\r\n", _httpd[cid].type); |
gsfan | 23:a783c62c36d0 | 485 | switch (_httpd[cid].type) { |
gsfan | 23:a783c62c36d0 | 486 | case 0x00: // continuation |
gsfan | 23:a783c62c36d0 | 487 | case 0x01: // text |
gsfan | 23:a783c62c36d0 | 488 | case 0x02: // binary |
gsfan | 23:a783c62c36d0 | 489 | i = get_handler(_httpd[cid].uri); |
gsfan | 23:a783c62c36d0 | 490 | if (i >= 0) { |
gsfan | 23:a783c62c36d0 | 491 | _httpd[cid].host = _gs_sock[cid].host; |
gsfan | 23:a783c62c36d0 | 492 | j = strlen(_handler[i].uri); |
gsfan | 23:a783c62c36d0 | 493 | _httpd[cid].file = &_httpd[cid].uri[j]; |
gsfan | 23:a783c62c36d0 | 494 | _httpd[cid].query = NULL; |
gsfan | 23:a783c62c36d0 | 495 | |
gsfan | 23:a783c62c36d0 | 496 | if (_handler[i].onHttpCgi) { |
gsfan | 23:a783c62c36d0 | 497 | // cgi |
gsfan | 23:a783c62c36d0 | 498 | _handler[i].onHttpCgi(cid, &_httpd[cid]); |
gsfan | 23:a783c62c36d0 | 499 | LOG("%d.%d.%d.%d ", _httpd[cid].host.getIp()[0], _httpd[cid].host.getIp()[1], _httpd[cid].host.getIp()[2], _httpd[cid].host.getIp()[3]); |
gsfan | 23:a783c62c36d0 | 500 | LOG("%s %s %d 200 -\r\n", _httpd[cid].type == GSPROT_HTTPGET ? "GET" : "POST", _httpd[cid].uri, _httpd[cid].length); |
gsfan | 23:a783c62c36d0 | 501 | flg = 1; |
gsfan | 23:a783c62c36d0 | 502 | } |
gsfan | 23:a783c62c36d0 | 503 | } |
gsfan | 23:a783c62c36d0 | 504 | break; |
gsfan | 23:a783c62c36d0 | 505 | |
gsfan | 23:a783c62c36d0 | 506 | case 0x08: // close |
gsfan | 23:a783c62c36d0 | 507 | close(cid); |
gsfan | 23:a783c62c36d0 | 508 | break; |
gsfan | 23:a783c62c36d0 | 509 | |
gsfan | 23:a783c62c36d0 | 510 | case 0x09: // ping |
gsfan | 23:a783c62c36d0 | 511 | _gs_putc(0x8a); // pong |
gsfan | 23:a783c62c36d0 | 512 | _gs_putc(0x04); |
gsfan | 23:a783c62c36d0 | 513 | for (i = 0; i < _httpd[cid].len; i ++) { |
gsfan | 23:a783c62c36d0 | 514 | _gs_putc(_httpd[cid].buf[i]); |
gsfan | 23:a783c62c36d0 | 515 | } |
gsfan | 23:a783c62c36d0 | 516 | break; |
gsfan | 23:a783c62c36d0 | 517 | |
gsfan | 23:a783c62c36d0 | 518 | case 0x0a: // pong |
gsfan | 23:a783c62c36d0 | 519 | break; |
gsfan | 23:a783c62c36d0 | 520 | } |
gsfan | 23:a783c62c36d0 | 521 | _httpd[cid].mode = GSHTTPDMODE_WEBSOCKET; |
gsfan | 23:a783c62c36d0 | 522 | _httpd[cid].len = 0; |
gsfan | 23:a783c62c36d0 | 523 | _httpd[cid].length = 0; |
gsfan | 23:a783c62c36d0 | 524 | } |
gsfan | 23:a783c62c36d0 | 525 | } // while |
gsfan | 23:a783c62c36d0 | 526 | } |
gsfan | 23:a783c62c36d0 | 527 | |
gsfan | 23:a783c62c36d0 | 528 | int GSwifi::send_websocket (int cid, const char *buf, int len) { |
gsfan | 23:a783c62c36d0 | 529 | int r; |
gsfan | 23:a783c62c36d0 | 530 | char tmp[10]; |
gsfan | 23:a783c62c36d0 | 531 | |
gsfan | 23:a783c62c36d0 | 532 | tmp[0] = 0x81; // single, text frame |
gsfan | 23:a783c62c36d0 | 533 | if (len < 126) { |
gsfan | 23:a783c62c36d0 | 534 | tmp[1] = len; |
gsfan | 23:a783c62c36d0 | 535 | r = send(cid, tmp, 2); |
gsfan | 23:a783c62c36d0 | 536 | } else { |
gsfan | 23:a783c62c36d0 | 537 | tmp[1] = 126; |
gsfan | 23:a783c62c36d0 | 538 | tmp[2] = (len >> 8) & 0xff; |
gsfan | 23:a783c62c36d0 | 539 | tmp[3] = len & 0xff; |
gsfan | 23:a783c62c36d0 | 540 | r = send(cid, tmp, 4); |
gsfan | 23:a783c62c36d0 | 541 | } |
gsfan | 23:a783c62c36d0 | 542 | if (r == 0) { |
gsfan | 23:a783c62c36d0 | 543 | r = send(cid, buf, len); |
gsfan | 23:a783c62c36d0 | 544 | } |
gsfan | 23:a783c62c36d0 | 545 | return r; |
gsfan | 23:a783c62c36d0 | 546 | } |
gsfan | 23:a783c62c36d0 | 547 | |
gsfan | 23:a783c62c36d0 | 548 | void GSwifi::send_websocket_accept (int cid) { |
gsfan | 23:a783c62c36d0 | 549 | char buf[100], buf2[20]; |
gsfan | 23:a783c62c36d0 | 550 | |
gsfan | 23:a783c62c36d0 | 551 | DBG("websocket accept: %d\r\n", cid); |
gsfan | 23:a783c62c36d0 | 552 | |
gsfan | 23:a783c62c36d0 | 553 | send(cid, "HTTP/1.1 101 Switching Protocols\r\n", 34); |
gsfan | 23:a783c62c36d0 | 554 | send(cid, "Upgrade: websocket\r\n", 20); |
gsfan | 23:a783c62c36d0 | 555 | send(cid, "Connection: Upgrade\r\n", 21); |
gsfan | 23:a783c62c36d0 | 556 | |
gsfan | 23:a783c62c36d0 | 557 | send(cid, "Sec-WebSocket-Accept: ", 22); |
gsfan | 23:a783c62c36d0 | 558 | strcpy(buf, _httpd[cid].websocket_key); |
gsfan | 23:a783c62c36d0 | 559 | strcat(buf, "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"); |
gsfan | 23:a783c62c36d0 | 560 | sha1(buf, strlen(buf), buf2); |
gsfan | 23:a783c62c36d0 | 561 | base64encode(buf2, 20, buf, sizeof(buf)); |
gsfan | 23:a783c62c36d0 | 562 | send(cid, buf, strlen(buf)); |
gsfan | 23:a783c62c36d0 | 563 | send(cid, "\r\n", 2); |
gsfan | 23:a783c62c36d0 | 564 | |
gsfan | 23:a783c62c36d0 | 565 | // send(cid, "Sec-WebSocket-Protocol: chat\r\n", 30); |
gsfan | 23:a783c62c36d0 | 566 | send(cid, "\r\n", 2); |
gsfan | 23:a783c62c36d0 | 567 | LOG("%d.%d.%d.%d ", _httpd[cid].host.getIp()[0], _httpd[cid].host.getIp()[1], _httpd[cid].host.getIp()[2], _httpd[cid].host.getIp()[3]); |
gsfan | 23:a783c62c36d0 | 568 | LOG("%s %s %d 101 - %s\r\n", _httpd[cid].type == GSPROT_HTTPGET ? "GET" : "POST", _httpd[cid].uri, _httpd[cid].length, buf); |
gsfan | 23:a783c62c36d0 | 569 | } |
gsfan | 20:151b5a4fdd29 | 570 | #endif |
gsfan | 23:a783c62c36d0 | 571 | |
gsfan | 23:a783c62c36d0 | 572 | #endif |