Hiroshi Yamaguchi / Mbed 2 deprecated SimpleSocketExamples 1.0

SimpleSocket 1.0 examples

Dependencies:   EthernetNetIf SimpleSocket 1.0 mbed

examples/supertweet.cpp@40:84182fc63956, 2013-02-04 (annotated)

Committer:
yamaguch
Date:
Mon Feb 04 09:04:25 2013 +0000
Revision:
40:84182fc63956
Parent:
supertweet.cpp@39:108499af2b53 
changed SimpleSocket libary name to SimpleSocketV1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yamaguch 39:108499af2b53 1 #include "EthernetNetIf.h"
yamaguch 39:108499af2b53 2 #include "SimpleSocket.h"
yamaguch 39:108499af2b53 3 #include <ctype.h>
yamaguch 39:108499af2b53 4
yamaguch 39:108499af2b53 5 void encodeBase64(char *ibuf, char *obuf);
yamaguch 39:108499af2b53 6 int encodeFormUrl(char *s, char *t);
yamaguch 39:108499af2b53 7
yamaguch 39:108499af2b53 8 void supertweet() {
yamaguch 39:108499af2b53 9 EthernetNetIf eth;
yamaguch 39:108499af2b53 10 eth.setup();
yamaguch 39:108499af2b53 11 ClientSocket client("66.180.175.246", 80); // api.supertweet.net
yamaguch 39:108499af2b53 12
yamaguch 39:108499af2b53 13 char user[16], password[16], message[64] = {};
yamaguch 39:108499af2b53 14 printf("user => ");
yamaguch 39:108499af2b53 15 scanf("%s", user);
yamaguch 39:108499af2b53 16 printf("password => ");
yamaguch 39:108499af2b53 17 scanf("%s", password);
yamaguch 39:108499af2b53 18 printf("message => ");
yamaguch 39:108499af2b53 19 int c = 0;
yamaguch 39:108499af2b53 20 while (c < ' ' || 0x7E < c)
yamaguch 39:108499af2b53 21 c = getc(stdin);
yamaguch 39:108499af2b53 22 ungetc(c, stdin);
yamaguch 39:108499af2b53 23 for (int i = 0; i < sizeof(message) - 1 && (c = getc(stdin)) >= ' '; i++)
yamaguch 39:108499af2b53 24 message[i] = c;
yamaguch 39:108499af2b53 25
yamaguch 39:108499af2b53 26 char credential[48], credential2[64], message2[256];
yamaguch 39:108499af2b53 27
yamaguch 39:108499af2b53 28 sprintf(credential, "%s:%s", user, password);
yamaguch 39:108499af2b53 29 encodeBase64(credential, credential2);
yamaguch 39:108499af2b53 30 encodeFormUrl(message, message2);
yamaguch 39:108499af2b53 31
yamaguch 39:108499af2b53 32 const char *request =
yamaguch 39:108499af2b53 33 "POST /1/statuses/update.xml HTTP/1.1\r\n"
yamaguch 39:108499af2b53 34 "Host: api.supertweet.net\r\n"
yamaguch 39:108499af2b53 35 "Authorization: Basic %s\r\n"
yamaguch 39:108499af2b53 36 "Content-Length: %d\r\n"
yamaguch 39:108499af2b53 37 "Content-Type: application/x-www-form-urlencoded\r\n"
yamaguch 39:108499af2b53 38 "\r\n"
yamaguch 39:108499af2b53 39 "status=%s";
yamaguch 39:108499af2b53 40
yamaguch 39:108499af2b53 41 client.printf(request, credential2, strlen(message2) + 7, message2);
yamaguch 39:108499af2b53 42 printf(request, credential2, strlen(message2) + 7, message2);
yamaguch 39:108499af2b53 43 printf("\n");
yamaguch 39:108499af2b53 44
yamaguch 39:108499af2b53 45 while (client) {
yamaguch 39:108499af2b53 46 if (client.available()) {
yamaguch 39:108499af2b53 47 while (client.available()) {
yamaguch 39:108499af2b53 48 char response[128] = {};
yamaguch 39:108499af2b53 49 client.read(response, sizeof(response) - 1);
yamaguch 39:108499af2b53 50 printf("%s", response);
yamaguch 39:108499af2b53 51 }
yamaguch 39:108499af2b53 52 client.close();
yamaguch 39:108499af2b53 53 }
yamaguch 39:108499af2b53 54 }
yamaguch 39:108499af2b53 55 printf("\ndone\n");
yamaguch 39:108499af2b53 56 }
yamaguch 39:108499af2b53 57
yamaguch 39:108499af2b53 58 int encodeFormUrl(char *s, char *t) {
yamaguch 39:108499af2b53 59 char *head = t;
yamaguch 39:108499af2b53 60 for (char c; (c = *s) != 0; s++)
yamaguch 39:108499af2b53 61 switch (c) {
yamaguch 39:108499af2b53 62 case '\r':
yamaguch 39:108499af2b53 63 break;
yamaguch 39:108499af2b53 64 case ' ' :
yamaguch 39:108499af2b53 65 *t++ = '+';
yamaguch 39:108499af2b53 66 break;
yamaguch 39:108499af2b53 67 default:
yamaguch 39:108499af2b53 68 t += sprintf(t, isalnum(c) ? "%c" : (c == '\n') ? "\r%c" : "%%%02X", c);
yamaguch 39:108499af2b53 69 }
yamaguch 39:108499af2b53 70 *t = '\0';
yamaguch 39:108499af2b53 71 return t - head;
yamaguch 39:108499af2b53 72 }
yamaguch 39:108499af2b53 73
yamaguch 39:108499af2b53 74 void encodeBase64(char ibuf[], int length, char *obuf) {
yamaguch 39:108499af2b53 75 const char BASE64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
yamaguch 39:108499af2b53 76 int i, j;
yamaguch 39:108499af2b53 77 for (i = j = 0; j < length; j += 3, i += 4) {
yamaguch 39:108499af2b53 78 long a = ibuf[j] << 16 | (j + 1 < length ? ibuf[j + 1] << 8 : 0) | (j + 2 < length ? ibuf[j + 2] : 0);
yamaguch 39:108499af2b53 79 for (int k = 3; k >= 0; k--, a >>= 6)
yamaguch 39:108499af2b53 80 obuf[i + k] = (j + k - 1) < length ? BASE64[a & 63] : '=';
yamaguch 39:108499af2b53 81 }
yamaguch 39:108499af2b53 82 obuf[i] = '\0';
yamaguch 39:108499af2b53 83 }
yamaguch 39:108499af2b53 84
yamaguch 39:108499af2b53 85 void encodeBase64(char *ibuf, char *obuf) {
yamaguch 39:108499af2b53 86 encodeBase64(ibuf, strlen(ibuf), obuf);
yamaguch 39:108499af2b53 87 }