phs fan
/
PHSShield_test
see: https://developer.mbed.org/users/phsfan/notebook/phsshield/
Diff: TinyHTTP_a3gs.cpp
- Revision:
- 0:864cc2bec4bf
diff -r 000000000000 -r 864cc2bec4bf TinyHTTP_a3gs.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TinyHTTP_a3gs.cpp Tue Mar 10 01:18:38 2015 +0000 @@ -0,0 +1,128 @@ +/* + * mbed Tiny HTTP Client for Ethernet Interface Library + * Copyright (c) 2012 Hiroshi Suga + * Released under the MIT License: http://mbed.org/license/mit + */ + +/** @file + * @brief Tiny HTTP Client + */ + +#include "mbed.h" +#include "TinyHTTP_a3gs.h" +#include "a3gs.h" +#include <ctype.h> + +//#define DEBUG + +extern A3GS a3gs; +static onHttpReceiveFunc onHttpReceive = NULL; + +// Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) +int base64enc(const char *input, unsigned 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; +} + +// Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) +int urlencode(char *str, char *buf, int len) { + static const char to_hex[] = "0123456789ABCDEF"; +// 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) & 0x0f]; + *pbuf++ = to_hex[*pstr & 0x0f]; + } + pstr++; + } + *pbuf = '\0'; + return 0; +} + +void createauth (char *user, char *pwd, char *buf, int len) { + char tmp[80]; + + strncpy(buf, "Authorization: Basic ", len); + snprintf(tmp, sizeof(tmp), "%s:%s", user, pwd); + base64enc(tmp, strlen(tmp), &buf[strlen(buf)], len - strlen(buf)); + strncat(buf, "\r\n", len - strlen(buf)); +} + +int httpRequest (int method, char *host, int port, char *uri, char *head, char *body, onHttpReceiveFunc func) { + char buf[1000]; + int i, ret = -1; + + onHttpReceive = func; + + if (a3gs.connectTCP(host, port)) return -1; + +#ifdef DEBUG + printf("connected\r\n"); +#endif + + // send request + if (method == METHOD_POST) { + a3gs.write((uint8_t*)"POST ", 5); + } else { + a3gs.write((uint8_t*)"GET ", 4); + } + a3gs.write((uint8_t*)uri, strlen(uri)); + a3gs.write((uint8_t*)" HTTP/1.1\r\nHost: ", 17); + a3gs.write((uint8_t*)host, strlen(host)); + a3gs.write((uint8_t*)"\r\n", 2); + a3gs.write((uint8_t*)"Connection: close\r\n", 19); + if (head) { + a3gs.write((uint8_t*)head, strlen(head)); + } + if (method == METHOD_POST) { + sprintf(buf, "Content-Length: %d\r\n", strlen(body)); + a3gs.write((uint8_t*)buf, strlen(buf)); + } + a3gs.write((uint8_t*)"\r\n", 2); + + // post method + if (method == METHOD_POST && body) { + a3gs.write((uint8_t*)body, strlen(body)); + } + + printf("wait for response\r\n"); + // recv + int err = 0; + for (;;) { + i = a3gs.read(buf, sizeof(buf) - 1); + if (i <= 0) break; + + if (onHttpReceive != NULL) onHttpReceive(buf, i); + } + ret = 0; + + a3gs.disconnectTCP(); + + return ret; +}