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// Webseiten/URLs abfragen mit Fehlerbehandlung, siehe: | |
// http://forum.iobroker.net/viewtopic.php?f=21&t=4259&p=40890&hilit=request#p40880 | |
var logOn = true; // Skript Logausgabe ein- (true) / ausschalten (false). Fehler werden immer ausgegeben. | |
var http = require('http'); // Node Module http verwenden | |
var deviceParams = ["level.color.hue", "level.color.saturation", "level.dimmer", "switch"]; | |
var objectId = 'rest.0.room0.rgb'; | |
deviceParams.forEach(function(param) { | |
var internalDeviceId = objectId + '.' + param; | |
var deviceUrl = '/api/v1/state'; | |
on({id: internalDeviceId, change: 'any'}, function (obj) { | |
if(obj.newState.val) { | |
doRequest(deviceUrl, "on"); | |
} else { | |
doRequest(deviceUrl, "off"); | |
} | |
}); | |
}); | |
// URL, die abgefragt, bzw. gesendet werden soll: | |
var options = { | |
host: '192.168.178.80', | |
port: '80', | |
path: '/api/v1/state', // will be overriden on call | |
method: 'POST' // in der Regel: "GET" | |
}; | |
// Funktionen: | |
function doRequest(baseUrl, state) { | |
log('REST HTTP call'); | |
var bodyData = {'state':"OFF",'brightness':0,'color':{'mode': 'hsv', 'h':0,'s':0,'v':0},'mode':"SOLID"}; | |
if(getState("rest.0.room0.rgb.switch").val > 0) { | |
var h = getState("rest.0.room0.rgb.level.color.hue").val; | |
var s = getState("rest.0.room0.rgb.level.color.saturation").val; | |
var v = getState("rest.0.room0.rgb.level.dimmer").val; | |
bodyData = {'state':"ON",'brightness':100,'color':{'mode': 'hsv', 'h':h,'s':s,'v':v},'mode':"SOLID"}; | |
} | |
if(logOn) log(bodyData); // Statuscode | |
if(logOn) log(JSON.stringify(bodyData)); // Statuscode | |
options.headers = { | |
'content-type': 'application/json', | |
'content-length': JSON.stringify(bodyData).length | |
} | |
if(logOn) log('OPTIONS: ' + JSON.stringify(options)); | |
var req = http.request(options, function(res) { | |
if(logOn) log('STATUS: ' + res.statusCode); // Statuscode | |
if(logOn) log('HEADERS: ' + JSON.stringify(res.headers)); // Header (Rückmeldung vom Webserver) | |
// Buffer the body entirely for processing as a whole. | |
var bodyChunks = []; | |
var chunkLine = 0; | |
res.on('data', function(chunk) { | |
chunkLine = chunkLine + 1; | |
if(logOn) log("Zeilennummer: " + chunkLine+ " ,Inhalt: " + chunk); | |
// Hier können die einzelnen Zeilen verarbeitet werden... | |
bodyChunks.push(chunk); | |
}).on('end', function() { | |
if(logOn) log("ARRAY mit den einzelnen Zeilen: " + bodyChunks); | |
if(logOn) log("ARRAY Länge: " + bodyChunks.length); | |
var body = Buffer.concat(bodyChunks); | |
if(logOn) log('BODY: ' + body); | |
// ...und/oder das Gesamtergebnis. | |
var jsonObject = JSON.parse(body); | |
}); | |
}); | |
req.on('error', function(e) { // Fehler abfangen | |
log('ERROR: ' + e.message,"warn"); | |
}); | |
req.write(JSON.stringify(bodyData)); | |
req.end(); | |
} |
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