network-performance-monitor
Version:
A comprehensive network performance monitoring tool that continuously tests and tracks your network's performance over time
178 lines (177 loc) • 9.29 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.WebsiteTest = void 0;
var axios_1 = require("axios");
var config_1 = require("./config");
var logger_1 = require("./logger");
var WebsiteTest = /** @class */ (function () {
function WebsiteTest(db) {
this.db = db;
}
WebsiteTest.prototype.testWebsite = function (url, networkName) {
return __awaiter(this, void 0, void 0, function () {
var result, startTime, response, error_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
result = {
url: url,
latency: null,
statusCode: null,
error: null,
success: false
};
startTime = Date.now();
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
return [4 /*yield*/, axios_1.default.get(url, {
timeout: 30000, // 30 second timeout
validateStatus: function () { return true; }, // Don't throw on any status code
maxRedirects: 5
})];
case 2:
response = _a.sent();
result.latency = Date.now() - startTime;
result.statusCode = response.status;
result.success = response.status >= 200 && response.status < 400;
if (!result.success) {
result.error = "HTTP ".concat(response.status, " ").concat(response.statusText);
}
return [3 /*break*/, 4];
case 3:
error_1 = _a.sent();
result.latency = Date.now() - startTime;
if (axios_1.default.isAxiosError(error_1)) {
if (error_1.code === 'ECONNABORTED') {
result.error = 'Request timeout';
}
else if (error_1.code === 'ENOTFOUND') {
result.error = 'DNS lookup failed';
}
else if (error_1.code === 'ECONNREFUSED') {
result.error = 'Connection refused';
}
else {
result.error = error_1.message;
}
}
else {
result.error = error_1 instanceof Error ? error_1.message : 'Unknown error';
}
return [3 /*break*/, 4];
case 4:
// Log the result
(0, logger_1.logTestResult)('WEBSITE', url, result.success, result.latency || undefined, result.error || undefined);
// Store in database
return [4 /*yield*/, this.db.insertWebsiteTest(url, result.latency, result.statusCode, result.error, networkName)];
case 5:
// Store in database
_a.sent();
if (!(result.success && result.latency !== null)) return [3 /*break*/, 7];
return [4 /*yield*/, this.db.updateBaseline('website', url, result.latency)];
case 6:
_a.sent();
_a.label = 7;
case 7: return [2 /*return*/, result];
}
});
});
};
WebsiteTest.prototype.testAllWebsites = function (networkName) {
return __awaiter(this, void 0, void 0, function () {
var results, _i, _a, url, result;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
results = [];
_i = 0, _a = config_1.config.websites;
_b.label = 1;
case 1:
if (!(_i < _a.length)) return [3 /*break*/, 4];
url = _a[_i];
return [4 /*yield*/, this.testWebsite(url, networkName)];
case 2:
result = _b.sent();
results.push(result);
_b.label = 3;
case 3:
_i++;
return [3 /*break*/, 1];
case 4: return [2 /*return*/, results];
}
});
});
};
WebsiteTest.prototype.checkForAnomalies = function (results) {
return __awaiter(this, void 0, void 0, function () {
var anomalyDetected, _i, results_1, result, baseline;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
anomalyDetected = false;
_i = 0, results_1 = results;
_a.label = 1;
case 1:
if (!(_i < results_1.length)) return [3 /*break*/, 4];
result = results_1[_i];
if (!result.success || result.latency === null) {
// Any failure is an anomaly
anomalyDetected = true;
return [3 /*break*/, 3];
}
return [4 /*yield*/, this.db.getBaseline('website', result.url)];
case 2:
baseline = _a.sent();
if (baseline !== null && result.latency > baseline * config_1.config.thresholds.latencyMultiplier) {
anomalyDetected = true;
(0, logger_1.logTestResult)('WEBSITE_ANOMALY', result.url, false, result.latency, "Latency ".concat(result.latency, "ms exceeds threshold (baseline: ").concat(baseline, "ms)"));
}
_a.label = 3;
case 3:
_i++;
return [3 /*break*/, 1];
case 4: return [2 /*return*/, anomalyDetected];
}
});
});
};
return WebsiteTest;
}());
exports.WebsiteTest = WebsiteTest;