| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.tools.idea.sdk.remote.internal; |
| |
| import com.android.SdkConstants; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| /** |
| * A lightweight wrapper to start & stop ADB. |
| * This is <b>specific</b> to the SDK Manager install process. |
| */ |
| public class AdbWrapper { |
| |
| /* |
| * Note: we could bring ddmlib in SdkManager for that purpose, however this allows us to |
| * specialize the start/stop methods to our needs (e.g. a task monitor, etc.) |
| */ |
| |
| private final String mAdbOsLocation; |
| private final ITaskMonitor mMonitor; |
| |
| /** |
| * Creates a new lightweight ADB wrapper. |
| * |
| * @param osSdkPath The root OS path of the SDK. Cannot be null. |
| * @param monitor A logger object. Cannot be null. |
| */ |
| public AdbWrapper(String osSdkPath, ITaskMonitor monitor) { |
| mMonitor = monitor; |
| |
| if (!osSdkPath.endsWith(File.separator)) { |
| osSdkPath += File.separator; |
| } |
| mAdbOsLocation = osSdkPath + SdkConstants.OS_SDK_PLATFORM_TOOLS_FOLDER + SdkConstants.FN_ADB; |
| } |
| |
| private void display(String format, Object... args) { |
| mMonitor.log(format, args); |
| } |
| |
| private void displayError(String format, Object... args) { |
| mMonitor.logError(format, args); |
| } |
| |
| /** |
| * Starts the adb host side server. |
| * |
| * @return true if success |
| */ |
| public synchronized boolean startAdb() { |
| if (mAdbOsLocation == null) { |
| displayError("Error: missing path to ADB."); //$NON-NLS-1$ |
| return false; |
| } |
| |
| Process proc; |
| int status = -1; |
| |
| try { |
| ProcessBuilder processBuilder = new ProcessBuilder(mAdbOsLocation, "start-server"); //$NON-NLS-1$ |
| proc = processBuilder.start(); |
| status = proc.waitFor(); |
| |
| // Implementation note: normally on Windows we need to capture stderr/stdout |
| // to make sure the process isn't blocked if it's output isn't read. However |
| // in this case this happens to hang when reading stdout with no proper way |
| // to properly close the streams. On the other hand the output from start |
| // server is rather short and not very interesting so we just drop it. |
| |
| } |
| catch (IOException ioe) { |
| displayError("Unable to run 'adb': %1$s.", ioe.getMessage()); //$NON-NLS-1$ |
| // we'll return false; |
| } |
| catch (InterruptedException ie) { |
| displayError("Unable to run 'adb': %1$s.", ie.getMessage()); //$NON-NLS-1$ |
| // we'll return false; |
| } |
| |
| if (status != 0) { |
| displayError(String.format("Starting ADB server failed (code %d).", //$NON-NLS-1$ |
| status)); |
| return false; |
| } |
| |
| display("Starting ADB server succeeded."); //$NON-NLS-1$ |
| |
| return true; |
| } |
| |
| /** |
| * Stops the adb host side server. |
| * |
| * @return true if success |
| */ |
| public synchronized boolean stopAdb() { |
| if (mAdbOsLocation == null) { |
| displayError("Error: missing path to ADB."); //$NON-NLS-1$ |
| return false; |
| } |
| |
| Process proc; |
| int status = -1; |
| |
| try { |
| String[] command = new String[2]; |
| command[0] = mAdbOsLocation; |
| command[1] = "kill-server"; //$NON-NLS-1$ |
| proc = Runtime.getRuntime().exec(command); |
| status = proc.waitFor(); |
| |
| // See comment in startAdb about not needing/wanting to capture stderr/stdout. |
| } |
| catch (IOException ioe) { |
| // we'll return false; |
| } |
| catch (InterruptedException ie) { |
| // we'll return false; |
| } |
| |
| // adb kill-server returns: |
| // 0 if adb was running and was correctly killed. |
| // 1 if adb wasn't running and thus wasn't killed. |
| // This error case is not worth reporting. |
| |
| if (status != 0 && status != 1) { |
| displayError(String.format("Stopping ADB server failed (code %d).", //$NON-NLS-1$ |
| status)); |
| return false; |
| } |
| |
| display("Stopping ADB server succeeded."); //$NON-NLS-1$ |
| return true; |
| } |
| } |