I have issue on connecting LS server one multiple page

[rvkvino]

I have changed the functionality as like below,
First created global file and in it created lsclient variable and created a connection on that. And for slave pages I have connected and subscribe the LS Server.
Global Declarationlsconnection.js)
var protocolToUse = document.location.protocol != "file:" ? document.location.protocol : "http:";
var portToUse = document.location.protocol == "https:" ? "443" : "8080";
var lsClient = new Lightstreamer.LightstreamerClient(protocolToUse+"//mydomain.com:"+portToUse,"SLNSTOCKLISTDEMO_REMOTE" );
lsClient.connectionOptions.setHttpExtraHeaders({"u sername" : "bullion"});
lsClient.enableSharing(new Lightstreamer.ConnectionSharing("CommonConnection" , "ATTACH", "CREATE"));

And my all the 3 pages used as like below(slave page)
lsClient.connect();
var liverateSubscription = new Lightstreamer.Subscription("COMMAND", liverateId, fieldList);
//my subscription
var liverateId = "Item";
var fieldList = ["key", "command", "desc", "bid", "ask", "high" , "low", "order"];
var bidaskfieldsList = ["desc", "bid", "ask", "low" , "high", "ratedisplay", "updatetime", "msg"];
var bidaskitemList = ["Gold", "Silver", "INR", "MGold", "MSilver", "Marketstatus"];

var liverateSubscription = new Lightstreamer.Subscription("COMMAND", liverateId, fieldList);
var liverateGrid = new Lightstreamer.DynaGrid("liverates",true);
liverateGrid.setAutoCleanBehavior(true,false);
liverateGrid.addListener({
onVisualUpdate: function(key,info) {
if (info == null) {
return;
}
info.forEachChangedField(function(fieldName,val) {
var lastPrice = info.getChangedFieldValue(fieldName);
if (lastPrice !== null) {
var prevPrice = liverateGrid.getValue(key,fieldName);
if(prevPrice != null){
if (!prevPrice || lastPrice > prevPrice) {
info.setAttribute("#2636f2",null,"backgroundColor" );
info.setAttribute("#FFFFFF",null,"color");
} else {
info.setAttribute("#FF0000",null,"backgroundColor" );
info.setAttribute("#FFFFFF",null,"color");
}
}
} else {
info.setAttribute("",null,"backgroundColor");
info.setAttribute("",null,"color");
}
});

}
});
liverateGrid.setSort("order", false);
liverateSubscription.setDataAdapter("QUOTE_ADAPTER ");
liverateSubscription.setRequestedSnapshot("yes");
liverateSubscription.addListener(liverateGrid);
lsClient.subscribe(liverateSubscription);
It is working without terminate the session. But showing unchanged text everywhere mostly. Whenever the rates getting change at that time only showing the rates, after that showing only UNCHANGED text. Attached the screenshot for your reference.

[giuseppe.corti]

Hi rvkvino,

Please could you confirm that every slave pages declare its own instance of lsClient?

Thank you,
Giuseppe

[rvkvino]

Could you please give me the code sample that creating an instance from lsClient. I have tried but showing lsClinet not having constructor method.

[giuseppe.corti]

Hi rvkvino,

Basically, in every page you should have something like this

var lsClientPageX = new LightstreamerClient(protocolToUse+"//mydomain.com:"+portToUse,"SLNSTOCKLISTDEMO_REMOTE" );

lsClientPageX.enableSharing(new Lightstreamer.ConnectionSharing("CommonConnection" , "ATTACH", "CREATE"));


Regards,
Giuseppe

[rvkvino]

Hi,
I have tried this already, But what happens means if I give this connection to open all the page means It terminating the session and continuously trying to reconnect the session. While I navigate the tabs more than 3 times means it disconnect the session.

[giuseppe.corti]

Hi rvkvino,

Any chance to collect the client log of one of the page?
You should add to your code something like this:

var loggerProvider = new SimpleLoggerProvider();<br /> LightstreamerClient.setLoggerProvider(loggerProvid er);<br /> <br /> var cats = ["lightstreamer.sharing","lightstreamer.stream","li ghtstreamer.protocol","lightstreamer.session","lig htstreamer.actions","lightstreamer.grids","lightst reamer.subscriptions"];<br /> for (var i=0; i<cats.length; i++) {<br /> var myAppender = new ConsoleAppender("DEBUG",cats[i]);<br /> loggerProvider.addLoggerAppender(myAppender);<br /> }

the log will appear in the browser console.

Regards,
Giuseppe

[rvkvino]

Hi,
I have tried this like below, It is working on my browser but not working on the device.
This file written in lsconnection.js and globally included in my application.
var protocolToUse = document.location.protocol != "file:" ? document.location.protocol : "http:";
var portToUse = document.location.protocol == "https:" ? "443" : "8080";
var lsClient = new Lightstreamer.LightstreamerClient(protocolToUse+"//mydomain.com:"+portToUse,"STOCKLIST_REMOTE");
lsClient.connectionOptions.setHttpExtraHeaders({"u sername" : "bullion"});
lsClient.enableSharing(new Lightstreamer.ConnectionSharing("CommonConnection" , "ATTACH", "CREATE"));
lsClient.connect();

And all of my three controllers written the code like bellow and subscribed in this controller only.
var protocolToUse = document.location.protocol != "file:" ? document.location.protocol : "http:";
var portToUse = document.location.protocol == "https:" ? "443" : "8080";
var lsClient = new Lightstreamer.LightstreamerClient(protocolToUse+"//mydomain.com:"+portToUse,"STOCKLIST_REMOTE");
lsClient.connectionOptions.setHttpExtraHeaders({"u sername" : "bullion"});
lsClient.enableSharing(new Lightstreamer.ConnectionSharing("CommonConnection" , "ATTACH", "CREATE"));
var liverateSubscription = new Lightstreamer.Subscription("COMMAND", liverateId, fieldList);

This working well without terminate the session on browser (ionic serve --lab). But not working after build the app and check in real device.