Revert "Update dataprotocol client" (#500)

* Revert "Fix #494 Connection error when connecting to an Azure SQL Server with no firewall rule (#497)"

This reverts commit edd867b6fc.

* Revert "Update dataprotocol client (#418)"

This reverts commit 7808496416.

dataprotocol-node/client/src/utils/processes.ts

@@ -0,0 +1,44 @@
+/* --------------------------------------------------------------------------------------------
+ * Copyright (c) Microsoft Corporation. All rights reserved.
+ * Licensed under the Source EULA. See License.txt in the project root for license information.
+ * ------------------------------------------------------------------------------------------ */
+'use strict';
+
+import * as cp from 'child_process';
+import ChildProcess = cp.ChildProcess;
+
+import { join } from 'path';
+
+const isWindows = (process.platform === 'win32');
+const isMacintosh = (process.platform === 'darwin');
+const isLinux = (process.platform === 'linux');
+export function terminate(process: ChildProcess, cwd?: string): boolean {
+	if (isWindows) {
+		try {
+			// This we run in Atom execFileSync is available.
+			// Ignore stderr since this is otherwise piped to parent.stderr
+			// which might be already closed.
+			let options: any = {
+				stdio: ['pipe', 'pipe', 'ignore']
+			};
+			if (cwd) {
+				options.cwd = cwd
+			}
+			(<any>cp).execFileSync('taskkill', ['/T', '/F', '/PID', process.pid.toString()], options);
+			return true;
+		} catch (err) {
+			return false;
+		}
+	} else if (isLinux || isMacintosh) {
+		try {
+			var cmd = join(__dirname, 'terminateProcess.sh');
+			var result = (<any>cp).spawnSync(cmd, [process.pid.toString()]);
+			return result.error ? false : true;
+		} catch (err) {
+			return false;
+		}
+	} else {
+		process.kill('SIGKILL');
+		return true;
+	}
+}