SQL Operations Studio Public Preview 1 (0.23) release source code

src/vs/base/node/id.ts

@@ -0,0 +1,93 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as getmac from 'getmac';
+import * as crypto from 'crypto';
+import { TPromise } from 'vs/base/common/winjs.base';
+import * as errors from 'vs/base/common/errors';
+import * as uuid from 'vs/base/common/uuid';
+import { networkInterfaces } from 'os';
+import { TrieMap } from 'vs/base/common/map';
+
+// http://www.techrepublic.com/blog/data-center/mac-address-scorecard-for-common-virtual-machine-platforms/
+// VMware ESX 3, Server, Workstation, Player	00-50-56, 00-0C-29, 00-05-69
+// Microsoft Hyper-V, Virtual Server, Virtual PC	00-03-FF
+// Parallells Desktop, Workstation, Server, Virtuozzo	00-1C-42
+// Virtual Iron 4	00-0F-4B
+// Red Hat Xen	00-16-3E
+// Oracle VM	00-16-3E
+// XenSource	00-16-3E
+// Novell Xen	00-16-3E
+// Sun xVM VirtualBox	08-00-27
+export const virtualMachineHint: { value(): number } = new class {
+
+	private _virtualMachineOUIs: TrieMap<boolean>;
+	private _value: number;
+
+	private _isVirtualMachineMacAdress(mac: string): boolean {
+		if (!this._virtualMachineOUIs) {
+			this._virtualMachineOUIs = new TrieMap<boolean>(s => s.split(/[-:]/));
+			// this._virtualMachineOUIs.insert('00-00-00', true);
+			this._virtualMachineOUIs.insert('00-50-56', true);
+			this._virtualMachineOUIs.insert('00-0C-29', true);
+			this._virtualMachineOUIs.insert('00-05-69', true);
+			this._virtualMachineOUIs.insert('00-03-FF', true);
+			this._virtualMachineOUIs.insert('00-1C-42', true);
+			this._virtualMachineOUIs.insert('00-16-3E', true);
+			this._virtualMachineOUIs.insert('08-00-27', true);
+
+		}
+		return this._virtualMachineOUIs.findSubstr(mac);
+	}
+
+	value(): number {
+		if (this._value === undefined) {
+			let vmOui = 0;
+			let interfaceCount = 0;
+
+			const interfaces = networkInterfaces();
+			for (let name in interfaces) {
+				if (Object.prototype.hasOwnProperty.call(interfaces, name)) {
+					for (const { mac, internal } of interfaces[name]) {
+						if (!internal) {
+							interfaceCount += 1;
+							if (this._isVirtualMachineMacAdress(mac.toUpperCase())) {
+								vmOui += 1;
+							}
+						}
+					}
+				}
+			}
+			this._value = interfaceCount > 0
+				? vmOui / interfaceCount
+				: 0;
+		}
+
+		return this._value;
+	}
+};
+
+let machineId: TPromise<string>;
+export function getMachineId(): TPromise<string> {
+	return machineId || (machineId = getMacMachineId()
+		.then(id => id || uuid.generateUuid())); // fallback, generate a UUID
+}
+
+function getMacMachineId(): TPromise<string> {
+	return new TPromise<string>(resolve => {
+		try {
+			getmac.getMac((error, macAddress) => {
+				if (!error) {
+					resolve(crypto.createHash('sha256').update(macAddress, 'utf8').digest('hex'));
+				} else {
+					resolve(undefined);
+				}
+			});
+		} catch (err) {
+			errors.onUnexpectedError(err);
+			resolve(undefined);
+		}
+	});
+}