77 lines
3.3 KiB
JavaScript
77 lines
3.3 KiB
JavaScript
"use strict";
|
|
var https = require("https");
|
|
var AutoCollectHttpDependencies = require("../AutoCollection/HttpDependencies");
|
|
var Logging = require("./Logging");
|
|
var QuickPulseUtil = require("./QuickPulseUtil");
|
|
var Util = require("./Util");
|
|
var QuickPulseConfig = {
|
|
method: "POST",
|
|
time: "x-ms-qps-transmission-time",
|
|
subscribed: "x-ms-qps-subscribed"
|
|
};
|
|
var QuickPulseSender = (function () {
|
|
function QuickPulseSender(config) {
|
|
this._config = config;
|
|
this._consecutiveErrors = 0;
|
|
}
|
|
QuickPulseSender.prototype.ping = function (envelope, done) {
|
|
this._submitData(envelope, done, "ping");
|
|
};
|
|
QuickPulseSender.prototype.post = function (envelope, done) {
|
|
// Important: When POSTing data, envelope must be an array
|
|
this._submitData([envelope], done, "post");
|
|
};
|
|
QuickPulseSender.prototype._submitData = function (envelope, done, postOrPing) {
|
|
var _this = this;
|
|
var payload = JSON.stringify(envelope);
|
|
var options = (_a = {},
|
|
_a[AutoCollectHttpDependencies.disableCollectionRequestOption] = true,
|
|
_a.host = this._config.quickPulseHost,
|
|
_a.method = QuickPulseConfig.method,
|
|
_a.path = "/QuickPulseService.svc/" + postOrPing + "?ikey=" + this._config.instrumentationKey,
|
|
_a.headers = (_b = {
|
|
'Expect': '100-continue'
|
|
},
|
|
_b[QuickPulseConfig.time] = QuickPulseUtil.getTransmissionTime(),
|
|
_b['Content-Type'] = 'application\/json',
|
|
_b['Content-Length'] = Buffer.byteLength(payload),
|
|
_b),
|
|
_a);
|
|
// HTTPS only
|
|
if (this._config.httpsAgent) {
|
|
options.agent = this._config.httpsAgent;
|
|
}
|
|
else {
|
|
options.agent = Util.tlsRestrictedAgent;
|
|
}
|
|
var req = https.request(options, function (res) {
|
|
var shouldPOSTData = res.headers[QuickPulseConfig.subscribed] === "true";
|
|
_this._consecutiveErrors = 0;
|
|
done(shouldPOSTData, res);
|
|
});
|
|
req.on("error", function (error) {
|
|
// Unable to contact qps endpoint.
|
|
// Do nothing for now.
|
|
_this._consecutiveErrors++;
|
|
// LOG every error, but WARN instead when X number of consecutive errors occur
|
|
var notice = "Transient error connecting to the Live Metrics endpoint. This packet will not appear in your Live Metrics Stream. Error:";
|
|
if (_this._consecutiveErrors % QuickPulseSender.MAX_QPS_FAILURES_BEFORE_WARN === 0) {
|
|
notice = "Live Metrics endpoint could not be reached " + _this._consecutiveErrors + " consecutive times. Most recent error:";
|
|
Logging.warn(QuickPulseSender.TAG, notice, error);
|
|
}
|
|
else {
|
|
// Potentially transient error, do not change the ping/post state yet.
|
|
Logging.info(QuickPulseSender.TAG, notice, error);
|
|
}
|
|
done();
|
|
});
|
|
req.write(payload);
|
|
req.end();
|
|
var _a, _b;
|
|
};
|
|
QuickPulseSender.TAG = "QuickPulseSender";
|
|
QuickPulseSender.MAX_QPS_FAILURES_BEFORE_WARN = 25;
|
|
return QuickPulseSender;
|
|
}());
|
|
module.exports = QuickPulseSender;
|
|
//# sourceMappingURL=QuickPulseSender.js.map
|