Quote:
varls = require('lightstreamer-client-node');
constconnect = (url, adapter) => {
const lsClient = new ls.LightstreamerClient(url, adapter);
lsClient.addListener({
onStatusChange: (newStatus) => {
console.log(newStatus)
},
});
lsClient.connect();
return lsClient;
};
var myClient1 = connect("https://push.lightstreamer1.com","WELCOME");
var myClient2 = connect("https://push.lightstreamer2.com", "WELCOME")
const lsSubscribe = (lsClient) => {
var mySubscription = new ls.Subscription("MERGE",["item1","item2","item3"],["stock_name","last_price"]);
mySubscription.setDataAdapter("STOCKS");
mySubscription.setRequestedSnapshot("yes");
mySubscription.addListener({
onSubscription: function() {
console.log("SUBSCRIBED");
},
onUnsubscription: function() {
console.log("UNSUBSCRIBED");
},
onItemUpdate: function(obj) {
console.log("Fst - " + obj.getValue("stock_name") + ": " + obj.getValue("last_price"));
}
});
lsClient.subscribe(mySubscription);
};
lsSubscribe(myClient1)
lsSubscribe(myClient2)