Hiroshi Yamaguchi / Mbed 2 deprecated SimpleSocketExamples 1.0

SimpleSocket 1.0 examples

Dependencies:   EthernetNetIf SimpleSocket 1.0 mbed

supertweet.cpp@34:a108bcc26b69, 2011-11-04 (annotated)

Committer:
yamaguch
Date:
Fri Nov 04 06:04:36 2011 +0000
Revision:
34:a108bcc26b69
Parent:
33:39d9cdf99de8 
removed Serial mon,;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yamaguch 33:39d9cdf99de8 1 #include "EthernetNetIf.h"
yamaguch 32:00114e36de90 2 #include "SimpleSocket.h"
yamaguch 32:00114e36de90 3 #include <ctype.h>
yamaguch 33:39d9cdf99de8 4
yamaguch 33:39d9cdf99de8 5 void encodeBase64(char *ibuf, char *obuf);
yamaguch 33:39d9cdf99de8 6 int encodeFormUrl(char *s, char *t);
yamaguch 33:39d9cdf99de8 7
yamaguch 33:39d9cdf99de8 8 void supertweet() {
yamaguch 33:39d9cdf99de8 9 EthernetNetIf eth;
yamaguch 33:39d9cdf99de8 10 eth.setup();
yamaguch 33:39d9cdf99de8 11 ClientSocket client("66.180.175.246", 80); // api.supertweet.net
yamaguch 33:39d9cdf99de8 12
yamaguch 33:39d9cdf99de8 13 char user[16], password[16], message[64] = {};
yamaguch 33:39d9cdf99de8 14 printf("user => ");
yamaguch 33:39d9cdf99de8 15 scanf("%s", user);
yamaguch 33:39d9cdf99de8 16 printf("password => ");
yamaguch 33:39d9cdf99de8 17 scanf("%s", password);
yamaguch 33:39d9cdf99de8 18 printf("message => ");
yamaguch 33:39d9cdf99de8 19 int c = 0;
yamaguch 33:39d9cdf99de8 20 while (c < ' ' || 0x7E < c)
yamaguch 33:39d9cdf99de8 21 c = getc(stdin);
yamaguch 33:39d9cdf99de8 22 ungetc(c, stdin);
yamaguch 33:39d9cdf99de8 23 for (int i = 0; i < sizeof(message) - 1 && (c = getc(stdin)) >= ' '; i++)
yamaguch 33:39d9cdf99de8 24 message[i] = c;
yamaguch 33:39d9cdf99de8 25
yamaguch 33:39d9cdf99de8 26 char credential[48], credential2[64], message2[256];
yamaguch 33:39d9cdf99de8 27
yamaguch 33:39d9cdf99de8 28 sprintf(credential, "%s:%s", user, password);
yamaguch 33:39d9cdf99de8 29 encodeBase64(credential, credential2);
yamaguch 33:39d9cdf99de8 30 encodeFormUrl(message, message2);
yamaguch 33:39d9cdf99de8 31
yamaguch 33:39d9cdf99de8 32 const char *request =
yamaguch 33:39d9cdf99de8 33 "POST /1/statuses/update.xml HTTP/1.1\r\n"
yamaguch 33:39d9cdf99de8 34 "Host: api.supertweet.net\r\n"
yamaguch 33:39d9cdf99de8 35 "Authorization: Basic %s\r\n"
yamaguch 33:39d9cdf99de8 36 "Content-Length: %d\r\n"
yamaguch 33:39d9cdf99de8 37 "Content-Type: application/x-www-form-urlencoded\r\n"
yamaguch 33:39d9cdf99de8 38 "\r\n"
yamaguch 33:39d9cdf99de8 39 "status=%s";
yamaguch 33:39d9cdf99de8 40
yamaguch 33:39d9cdf99de8 41 client.printf(request, credential2, strlen(message2) + 7, message2);
yamaguch 33:39d9cdf99de8 42 printf(request, credential2, strlen(message2) + 7, message2);
yamaguch 33:39d9cdf99de8 43 printf("\n");
yamaguch 33:39d9cdf99de8 44
yamaguch 33:39d9cdf99de8 45 while (client) {
yamaguch 33:39d9cdf99de8 46 if (client.available()) {
yamaguch 33:39d9cdf99de8 47 while (client.available()) {
yamaguch 34:a108bcc26b69 48 char response[128] = {};
yamaguch 33:39d9cdf99de8 49 client.read(response, sizeof(response) - 1);
yamaguch 34:a108bcc26b69 50 printf("%s", response);
yamaguch 33:39d9cdf99de8 51 }
yamaguch 33:39d9cdf99de8 52 client.close();
yamaguch 33:39d9cdf99de8 53 }
yamaguch 33:39d9cdf99de8 54 }
yamaguch 34:a108bcc26b69 55 printf("\ndone\n");
yamaguch 33:39d9cdf99de8 56 }
yamaguch 32:00114e36de90 57
yamaguch 32:00114e36de90 58 int encodeFormUrl(char *s, char *t) {
yamaguch 32:00114e36de90 59 char *head = t;
yamaguch 32:00114e36de90 60 for (char c; (c = *s) != 0; s++)
yamaguch 32:00114e36de90 61 switch (c) {
yamaguch 32:00114e36de90 62 case '\r':
yamaguch 32:00114e36de90 63 break;
yamaguch 32:00114e36de90 64 case ' ' :
yamaguch 32:00114e36de90 65 *t++ = '+';
yamaguch 32:00114e36de90 66 break;
yamaguch 32:00114e36de90 67 default:
yamaguch 32:00114e36de90 68 t += sprintf(t, isalnum(c) ? "%c" : (c == '\n') ? "\r%c" : "%%%02X", c);
yamaguch 32:00114e36de90 69 }
yamaguch 32:00114e36de90 70 *t = '\0';
yamaguch 32:00114e36de90 71 return t - head;
yamaguch 32:00114e36de90 72 }
yamaguch 32:00114e36de90 73
yamaguch 32:00114e36de90 74 void encodeBase64(char ibuf[], int length, char *obuf) {
yamaguch 32:00114e36de90 75 const char BASE64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
yamaguch 32:00114e36de90 76 int i, j;
yamaguch 32:00114e36de90 77 for (i = j = 0; j < length; j += 3, i += 4) {
yamaguch 32:00114e36de90 78 long a = ibuf[j] << 16 | (j + 1 < length ? ibuf[j + 1] << 8 : 0) | (j + 2 < length ? ibuf[j + 2] : 0);
yamaguch 32:00114e36de90 79 for (int k = 3; k >= 0; k--, a >>= 6)
yamaguch 32:00114e36de90 80 obuf[i + k] = (j + k - 1) < length ? BASE64[a & 63] : '=';
yamaguch 32:00114e36de90 81 }
yamaguch 32:00114e36de90 82 obuf[i] = '\0';
yamaguch 32:00114e36de90 83 }
yamaguch 32:00114e36de90 84
yamaguch 32:00114e36de90 85 void encodeBase64(char *ibuf, char *obuf) {
yamaguch 32:00114e36de90 86 encodeBase64(ibuf, strlen(ibuf), obuf);
yamaguch 32:00114e36de90 87 }