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92 lines
1.9 KiB
C++
92 lines
1.9 KiB
C++
/*
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Twitter.cpp - Arduino library to Post messages to Twitter using OAuth.
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Copyright (c) NeoCat 2010-2011. All right reserved.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*/
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// ver1.2 - Use <string.h>
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// ver1.3 - Support IDE 1.0
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#include <string.h>
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#include "Twitter.h"
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#define LIB_DOMAIN "arduino-tweet.appspot.com"
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#if defined(ARDUINO) && ARDUINO < 100
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static uint8_t server[] = {0,0,0,0}; // IP address of LIB_DOMAIN
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Twitter::Twitter(const char *token) : client(server, 80), token(token)
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{
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}
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#else
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Twitter::Twitter(const char *token) : token(token)
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{
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}
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#endif
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bool Twitter::post(const char *msg)
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{
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#if defined(ARDUINO) && ARDUINO < 100
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DNSError err = EthernetDNS.resolveHostName(LIB_DOMAIN, server);
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if (err != DNSSuccess) {
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return false;
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}
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#endif
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parseStatus = 0;
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statusCode = 0;
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#if defined(ARDUINO) && ARDUINO < 100
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if (client.connect()) {
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#else
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if (client.connect(LIB_DOMAIN, 80)) {
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#endif
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client.println("POST http://" LIB_DOMAIN "/update HTTP/1.0");
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client.print("Content-Length: ");
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client.println(strlen(msg)+strlen(token)+14);
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client.println();
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client.print("token=");
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client.print(token);
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client.print("&status=");
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client.println(msg);
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} else {
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return false;
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}
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return true;
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}
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bool Twitter::checkStatus(Print *debug)
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{
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if (!client.connected()) {
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if (debug)
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while(client.available())
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debug->print((char)client.read());
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client.flush();
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client.stop();
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return false;
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}
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if (!client.available())
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return true;
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char c = client.read();
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if (debug)
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debug->print(c);
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switch(parseStatus) {
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case 0:
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if (c == ' ') parseStatus++; break; // skip "HTTP/1.1 "
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case 1:
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if (c >= '0' && c <= '9') {
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statusCode *= 10;
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statusCode += c - '0';
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} else {
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parseStatus++;
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}
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}
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return true;
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}
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int Twitter::wait(Print *debug)
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{
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while (checkStatus(debug));
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return statusCode;
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}
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