node-red-contrib-thinkp-sofia2
Version:
A Node-RED node to interact with Indra's Sofia2 IoT platform.
223 lines (199 loc) • 6.8 kB
JavaScript
module.exports = function(RED) {
var ssapMessageGenerator = require('../lib/SSAPMessageGenerator');
var sofia2Config = require('../sofia2-connection-config/sofia2-connection-config');
var ssapResourceGenerator = require('../lib/SSAPResourceGenerator');
var http = null;
var isHttps = false;
function Update(n) {
RED.nodes.createNode(this,n);
var node = this;
this.ontology = n.ontology;
this.query = n.query;
this.queryType = n.queryType;
// Retrieve the server (config) node
var server = RED.nodes.getNode(n.server);
this.on('input', function(msg) {
var ontologia="";
var queryType="";
var query="";
if(this.ontology==""){
ontologia = msg.ontology;
}else{
ontologia=this.ontology;
}
if(this.queryType==""){
queryType = msg.queryType;
}else{
queryType=this.queryType;
}
if(this.query==""){
query = msg.query;
}else{
query=this.query;
}
if (server) {
var protocol = server.protocol;
if(protocol.toUpperCase() == "MQTT".toUpperCase()){
var queryUpdate = ssapMessageGenerator.generateUpdateWithQueryTypeMessage(msg.payload,query, ontologia,queryType,server.sessionKey);
var state = server.sendToSib(queryUpdate);
state.then(function(response){
var body = JSON.parse(response.body);
if(body.ok){
console.log("The message is send.");
msg.payload=body;
node.send(msg);
}else{
console.log("Error sendind the update SSAP message.");
msg.payload=body.error;
if(body.errorCode == "AUTENTICATION"){
console.log("The sessionKey is not valid.");
server.generateSession();
}
node.send(msg);
}
});
}else if(protocol.toUpperCase() == "REST".toUpperCase()){
query = query.replace(/ /g, "+");
var endpoint = server.endpoint;
var arr = endpoint.toString().split(":");
var host;
var port = 80;
if (arr[0].toUpperCase()=='HTTPS'.toUpperCase()) {
isHttps=true;
console.log("Using HTTPS:"+arr[0]);
}
if(arr[0].toUpperCase()=="HTTP".toUpperCase()||arr[0].toUpperCase()=='HTTPS'.toUpperCase()){
host=arr[1].substring(2, arr[1].length);
if(arr.length>2){
port = parseInt(arr[arr.length-1]);
}
}else{
host = arr[0];
if(arr.length>1){
port = parseInt(arr[arr.length-1]);
}
}
//Se prepara el mensaje update
var queryUpdate='?$sessionKey='+server.sessionKey+'&$query='+query+'&$queryType='+queryType;
var postheadersUpdate = {
'Content-Type' : 'application/json',
'Accept' : 'application/json',
};
var optionsUpdate = {
host: host,
port: port,
path: '/sib/services/api_ssap/v01/SSAPResource/'+queryUpdate,
method: 'GET',
headers: postheadersUpdate,
rejectUnauthorized: false
};
// do the UPDATE GET call
var resultUpdate='';
if (isHttps)
http= require('https');
else
http = require('http');
var reqUpdate = http.request(optionsUpdate, function(res) {
console.log("Status code of the Update call: ", res.statusCode);
res.on('data', function(d) {
resultUpdate +=d;
});
res.on('end', function() {
if(res.statusCode==200){
console.log("The data has been updated.");
try{
resultUpdate = JSON.parse(resultUpdate);
msg.payload=resultUpdate;
} catch (err) {
msg.payload=resultUpdate;
}
node.send(msg);
}else if(res.statusCode==400 || res.statusCode==401){
var instance = server.kp + ':' + server.instance;
var queryJoin = ssapResourceGenerator.generateJoinByTokenMessage(server.kp, instance, server.token);
var postheadersJoin = {
'Content-Type' : 'application/json',
'Accept' : 'application/json',
'Content-Length' : Buffer.byteLength(queryJoin, 'utf8')
};
var optionsJoin = {
host: host,
port: port,
path: '/sib/services/api_ssap/v01/SSAPResource/',
method: 'POST',
headers: postheadersJoin,
rejectUnauthorized: false
};
// do the JOIN POST call
var result='';
var reqPost = http.request(optionsJoin, function(res) {
console.log("Status code of the Join call: ", res.statusCode);
res.on('data', function(d) {
result +=d;
});
res.on('end', function() {
result = JSON.parse(result);
server.sessionKey=result.sessionKey;
console.log("SessionKey obtained: " + server.sessionKey);
//Se prepara el mensaje update
var queryUpdate='?$sessionKey='+server.sessionKey+'&$query='+query+'&$queryType='+queryType;
var postheadersUpdate = {
'Content-Type' : 'application/json',
'Accept' : 'application/json',
};
var optionsUpdate = {
host: host,
port: port,
path: '/sib/services/api_ssap/v01/SSAPResource/'+queryUpdate,
method: 'GET',
headers: postheadersUpdate,
rejectUnauthorized: false
};
// do the UPDATE GET call
var resultUpdate='';
var reqUpdate = http.request(optionsUpdate, function(res) {
console.log("Status code of the Update call: ", res.statusCode);
res.on('data', function(d) {
resultUpdate +=d;
});
res.on('end', function() {
if(res.statusCode=="200"){
console.log("The data has been updated.");
try{
resultUpdate = JSON.parse(resultUpdate);
msg.payload=resultUpdate;
} catch (err) {
msg.payload=resultUpdate;
}
node.send(msg);
}
});
});
reqUpdate.end();
reqUpdate.on('error', function(err) {
console.log("There was an error updating the data: ", err);
});
});
});
reqPost.write(queryJoin);
reqPost.end();
reqPost.on('error', function(err) {
console.log("Error:"+err);
node.error("Error:"+err);
});
}
});
});
reqUpdate.end();
reqUpdate.on('error', function(err) {
console.log("There was an error updating the data: ", err);
});
}
} else {
console.log("Error:"+err);
node.error("Error:"+err);
}
});
}
RED.nodes.registerType("sofia2-update",Update);
}