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var http = require('http');
var express = require('express');
var app = express();
//I am alive
app.get("/",function(req, res){
res.send("ok");
})
//Get parameter valuye from other server
function getSimCtr(url, cb) {
var data = '';
http.get(url, (resp) => {
// A chunk of data has been recieved.
resp.on('data', (chunk) => {
data += chunk;
});
// The whole response has been received.
resp.on('end', () => {
//Pad data to fixed length
var i = 20-data.length;
while(i>0) {
data = data+" ";
i--;
}
cb(data);
});
}).on("error", (err) => {
console.log("Error: " + err.message);
cb("no response from simulator");
});
};
//Status variables, for parameters values fetched from other simulators
var mr1, mr2, mr3, mr4, mr5, mr6, mr7;
var dr1, dr2, dr3, dr4, dr5, dr6, dr7, dr8, dr9;
var drr1, drr2, drr3, drr4, drr5, drr6;
app.get("/mon",function(req, res){
//MR
getSimCtr("http://127.0.0.1:2222/ctr_requests", function(data) {
mr1 = data;
});
getSimCtr("http://127.0.0.1:2222/ctr_responses", function(data) {
mr2 = data;
});
getSimCtr("http://127.0.0.1:2222/ctr_unique_files", function(data) {
mr3 = data;
});
getSimCtr("http://127.0.0.1:2222/tc_info", function(data) {
mr4 = data;
});
getSimCtr("http://127.0.0.1:2222/ctr_events", function(data) {
mr5 = data;
});
getSimCtr("http://127.0.0.1:2222/execution_time", function(data) {
mr6 = data;
});
getSimCtr("http://127.0.0.1:2222/ctr_unique_PNFs", function(data) {
mr7 = data;
});
//DR
getSimCtr("http://127.0.0.1:3906/ctr_publish_query", function(data) {
dr1 = data;
});
getSimCtr("http://127.0.0.1:3906/ctr_publish_query_published", function(data) {
dr2 = data;
});
getSimCtr("http://127.0.0.1:3906/ctr_publish_query_not_published", function(data) {
dr3 = data;
});
getSimCtr("http://127.0.0.1:3906/ctr_publish_req", function(data) {
dr4 = data;
});
getSimCtr("http://127.0.0.1:3906/ctr_publish_req_redirect", function(data) {
dr5 = data;
});
getSimCtr("http://127.0.0.1:3906/ctr_publish_req_published", function(data) {
dr6 = data;
});
getSimCtr("http://127.0.0.1:3906/ctr_published_files", function(data) {
dr7 = data;
});
getSimCtr("http://127.0.0.1:3906/tc_info", function(data) {
dr8 = data;
});
getSimCtr("http://127.0.0.1:3906/execution_time", function(data) {
dr9 = data;
});
//DR REDIR
getSimCtr("http://127.0.0.1:3908/ctr_publish_requests", function(data) {
drr1 = data;
});
getSimCtr("http://127.0.0.1:3908/ctr_publish_responses", function(data) {
drr2 = data;
});
getSimCtr("http://127.0.0.1:3908/tc_info", function(data) {
drr3 = data;
});
getSimCtr("http://127.0.0.1:3908/execution_time", function(data) {
drr4 = data;
});
getSimCtr("http://127.0.0.1:3908/time_lastpublish", function(data) {
drr5 = data;
});
getSimCtr("http://127.0.0.1:3908/dwl_volume", function(data) {
drr6 = data;
});
//Build web page
var str = "<!DOCTYPE html>" +
"<html>" +
"<head>" +
"<meta http-equiv=\"refresh\" content=\"5\">"+ //5 sec auto reefresh
"<title>Simulator monitor</title>"+
"</head>" +
"<body>" +
"<h3>MR Simulator</h3>" +
"<font face=\"courier\">"+
"MR TC:........................................." + mr4 + "<br>" +
"Execution time (mm.ss):........................" + mr6 + "<br>" +
"Number of requests (polls):...................." + mr1 + "<br>" +
"Number of responses (polls):..................." + mr2 + "<br>" +
"Number of unique files in all responses:......." + mr3 + "<br>" +
"Number of events..............................." + mr5 + "<br>" +
"Number of unique PNFs.........................." + mr7 + "<br>" +
"</font>"+
"<h3>DR Simulator</h3>" +
"<font face=\"courier\">"+
"DR TC:........................................." + dr8 + "<br>" +
"Execution time (mm.ss):........................" + dr9 + "<br>" +
"Number of queries:............................." + dr1 + "<br>" +
"Number of query responses, file published:....." + dr2 + "<br>" +
"Number of query responses, file not published:." + dr3 + "<br>" +
"Number of requests:............................" + dr4 + "<br>" +
"Number of responses with redirect:............." + dr5 + "<br>" +
"Number of responses without redirect:.........." + dr6 + "<br>" +
"Number of published files:....................." + dr7 + "<br>" +
"</font>"+
"<h3>DR Redirect Simulator</h3>" +
"<font face=\"courier\">"+
"DR REDIR TC:..................................." + drr3 + "<br>" +
"Execution time (mm.ss):........................" + drr4 + "<br>" +
"Number of requests:............................" + drr1 + "<br>" +
"Number of responses:..........................." + drr2 + "<br>" +
"Downloaded volume (bytes):....................." + drr6 + "<br>" +
"Last publish (mm:ss):.........................." + drr5 + "<br>" +
"</font>"+
"</body>" +
"</html>";
res.send(str);
})
var httpServer = http.createServer(app);
var httpPort=9999;
httpServer.listen(httpPort);
console.log("Simulator monitor listening (http) at "+httpPort);
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