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_http.cpp
- Committer:
- gsfan
- Date:
- 2013-02-11
- Revision:
- 25:f6e5622d2930
- Child:
- 29:1c4419512941
File content as of revision 25:f6e5622d2930:
/* Copyright (C) 2013 gsfan, MIT License * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software * and associated documentation files (the "Software"), to deal in the Software without restriction, * including without limitation the rights to use, copy, modify, merge, publish, distribute, * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or * substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /** @file * @brief Gainspan wi-fi module library for mbed * GS1011MIC, GS1011MIP, GainSpan WiFi Breakout, etc. */ #include "dbg.h" #include "mbed.h" #include "GSwifi.h" int GSwifi::httpGet (Host &host, const char *uri, const char *user, const char *pwd, int ssl, onGsReceiveFunc ponGsReceive) { char cmd[GS_CMD_SIZE]; if (! _connect || _status != GSSTAT_READY) return -1; if (host.getIp().isNull()) { if (getHostByName(host)) { if (getHostByName(host)) return -1; } } if (host.getPort() == 0) { if (ssl) { host.setPort(443); } else { host.setPort(80); } } command("AT+HTTPCONF=3,close", GSRES_NORMAL); // Connection: sprintf(cmd, "AT+HTTPCONF=11,%s", host.getName()); // Host: command(cmd, GSRES_NORMAL); if (user && pwd) { char tmp[GS_CMD_SIZE], tmp2[GS_CMD_SIZE]; snprintf(tmp, sizeof(tmp), "%s:%s", user, pwd); base64encode(tmp, strlen(tmp), tmp2, sizeof(tmp2)); sprintf(cmd, "AT+HTTPCONF=2,Basic %s", tmp2); // Authorization: command(cmd, GSRES_NORMAL); } else { command("AT+HTTPCONFDEL=2", GSRES_NORMAL); } command("AT+HTTPCONFDEL=5", GSRES_NORMAL); command("AT+HTTPCONFDEL=7", GSRES_NORMAL); sprintf(cmd, "AT+HTTPOPEN=%d.%d.%d.%d,%d", host.getIp()[0], host.getIp()[1], host.getIp()[2], host.getIp()[3], host.getPort()); if (ssl) { strcat(cmd, ",1"); } if (command(cmd, GSRES_HTTP)) return -1; newSock(_cid, GSTYPE_CLIENT, GSPROT_HTTPGET, ponGsReceive); sprintf(cmd, "AT+HTTPSEND=%d,1,%d,%s", _cid, GS_TIMEOUT / 1000, uri); // GET command(cmd, GSRES_NORMAL); return _cid; } int GSwifi::httpGet (Host &host, const char *uri, int ssl, onGsReceiveFunc ponGsReceive) { return httpGet (host, uri, NULL, NULL, ssl, ponGsReceive); } int GSwifi::httpPost (Host &host, const char *uri, const char *body, const char *user, const char *pwd, int ssl, onGsReceiveFunc ponGsReceive) { char cmd[GS_CMD_SIZE]; int i, len; if (! _connect || _status != GSSTAT_READY) return -1; if (host.getIp().isNull()) { if (getHostByName(host)) { if (getHostByName(host)) return -1; } } if (host.getPort() == 0) { if (ssl) { host.setPort(443); } else { host.setPort(80); } } len = strlen(body); command("AT+HTTPCONF=3,close", GSRES_NORMAL); // Connection: sprintf(cmd, "AT+HTTPCONF=11,%s", host.getName()); // Host: command(cmd, GSRES_NORMAL); sprintf(cmd, "AT+HTTPCONF=5,%d", len); // Content-Length: command(cmd, GSRES_NORMAL); command("AT+HTTPCONF=7,application/x-www-form-urlencoded", GSRES_NORMAL); // Content-type: if (user && pwd) { char tmp[GS_CMD_SIZE], tmp2[GS_CMD_SIZE]; snprintf(tmp, sizeof(tmp), "%s:%s", user, pwd); base64encode(tmp, strlen(tmp), tmp2, sizeof(tmp2)); sprintf(cmd, "AT+HTTPCONF=2,Basic %s", tmp2); // Authorization: command(cmd, GSRES_NORMAL); } else { command("AT+HTTPCONFDEL=2", GSRES_NORMAL); } sprintf(cmd, "AT+HTTPOPEN=%d.%d.%d.%d,%d", host.getIp()[0], host.getIp()[1], host.getIp()[2], host.getIp()[3], host.getPort()); if (ssl) { strcat(cmd, ",1"); } if (command(cmd, GSRES_HTTP)) return -1; newSock(_cid, GSTYPE_CLIENT, GSPROT_HTTPPOST, ponGsReceive); sprintf(cmd, "AT+HTTPSEND=%d,3,%d,%s,%d", _cid, GS_TIMEOUT / 1000, uri, len); // POST command(cmd, GSRES_NORMAL); _gs.printf("\x1bH%X", _cid); for (i = 0; i < len; i ++) { _gs_putc(body[i]); DBG("%c", body[i]); } return _cid; } int GSwifi::httpPost (Host &host, const char *uri, const char *body, int ssl, onGsReceiveFunc ponGsReceive) { return httpPost (host, uri, body, NULL, NULL, ssl, ponGsReceive); } /* base64encode code from * Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) */ int GSwifi::base64encode (char *input, int length, char *output, int len) { static const char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; unsigned int c, c1, c2, c3; if (len < ((((length-1)/3)+1)<<2)) return -1; for(unsigned int i = 0, j = 0; i<length; i+=3,j+=4) { c1 = ((((unsigned char)*((unsigned char *)&input[i])))); c2 = (length>i+1)?((((unsigned char)*((unsigned char *)&input[i+1])))):0; c3 = (length>i+2)?((((unsigned char)*((unsigned char *)&input[i+2])))):0; c = ((c1 & 0xFC) >> 2); output[j+0] = base64[c]; c = ((c1 & 0x03) << 4) | ((c2 & 0xF0) >> 4); output[j+1] = base64[c]; c = ((c2 & 0x0F) << 2) | ((c3 & 0xC0) >> 6); output[j+2] = (length>i+1)?base64[c]:'='; c = (c3 & 0x3F); output[j+3] = (length>i+2)?base64[c]:'='; } output[(((length-1)/3)+1)<<2] = '\0'; return 0; } /* urlencode code from * Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) */ int GSwifi::urlencode (char *str, char *buf, int len) { // char *pstr = str, *buf = (char*)malloc(strlen(str) * 3 + 1), *pbuf = buf; char *pstr = str, *pbuf = buf; if (len < (strlen(str) * 3 + 1)) return -1; while (*pstr) { if (isalnum(*pstr) || *pstr == '-' || *pstr == '_' || *pstr == '.' || *pstr == '~') *pbuf++ = *pstr; else if (*pstr == ' ') *pbuf++ = '+'; else *pbuf++ = '%', *pbuf++ = to_hex(*pstr >> 4), *pbuf++ = to_hex(*pstr & 15); pstr++; } *pbuf = '\0'; return 0; } /* urldecode code from * Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) */ int GSwifi::urldecode (char *str, char *buf, int len) { // char *pstr = str, *buf = (char*)malloc(strlen(str) + 1), *pbuf = buf; char *pstr = str, *pbuf = buf; if (len < (strlen(str) / 3 - 1)) return -1; while (*pstr) { if (*pstr == '%') { if (pstr[1] && pstr[2]) { *pbuf++ = from_hex(pstr[1]) << 4 | from_hex(pstr[2]); pstr += 2; } } else if (*pstr == '+') { *pbuf++ = ' '; } else { *pbuf++ = *pstr; } pstr++; } *pbuf = '\0'; return 0; }