| /* |
| * Copyright (C) 2016 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.server.job; |
| |
| import android.app.AppGlobals; |
| import android.content.pm.IPackageManager; |
| import android.content.pm.PackageManager; |
| import android.os.Binder; |
| import android.os.RemoteException; |
| import android.os.ShellCommand; |
| import android.os.UserHandle; |
| |
| import java.io.PrintWriter; |
| |
| public class JobSchedulerShellCommand extends ShellCommand { |
| public static final int CMD_ERR_NO_PACKAGE = -1000; |
| public static final int CMD_ERR_NO_JOB = -1001; |
| public static final int CMD_ERR_CONSTRAINTS = -1002; |
| |
| JobSchedulerService mInternal; |
| IPackageManager mPM; |
| |
| JobSchedulerShellCommand(JobSchedulerService service) { |
| mInternal = service; |
| mPM = AppGlobals.getPackageManager(); |
| } |
| |
| @Override |
| public int onCommand(String cmd) { |
| final PrintWriter pw = getOutPrintWriter(); |
| try { |
| switch (cmd != null ? cmd : "") { |
| case "run": |
| return runJob(pw); |
| case "monitor-battery": |
| return runMonitorBattery(pw); |
| case "get-battery-seq": |
| return runGetBatterySeq(pw); |
| case "get-battery-charging": |
| return runGetBatteryCharging(pw); |
| case "get-battery-not-low": |
| return runGetBatteryNotLow(pw); |
| case "get-storage-seq": |
| return runGetStorageSeq(pw); |
| case "get-storage-not-low": |
| return runGetStorageNotLow(pw); |
| default: |
| return handleDefaultCommands(cmd); |
| } |
| } catch (Exception e) { |
| pw.println("Exception: " + e); |
| } |
| return -1; |
| } |
| |
| private void checkPermission(String operation) throws Exception { |
| final int uid = Binder.getCallingUid(); |
| if (uid == 0) { |
| // Root can do anything. |
| return; |
| } |
| final int perm = mPM.checkUidPermission( |
| "android.permission.CHANGE_APP_IDLE_STATE", uid); |
| if (perm != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Uid " + uid |
| + " not permitted to " + operation); |
| } |
| } |
| |
| private int runJob(PrintWriter pw) throws Exception { |
| checkPermission("force scheduled jobs"); |
| |
| boolean force = false; |
| int userId = UserHandle.USER_SYSTEM; |
| |
| String opt; |
| while ((opt = getNextOption()) != null) { |
| switch (opt) { |
| case "-f": |
| case "--force": |
| force = true; |
| break; |
| |
| case "-u": |
| case "--user": |
| userId = Integer.parseInt(getNextArgRequired()); |
| break; |
| |
| default: |
| pw.println("Error: unknown option '" + opt + "'"); |
| return -1; |
| } |
| } |
| |
| final String pkgName = getNextArgRequired(); |
| final int jobId = Integer.parseInt(getNextArgRequired()); |
| |
| int ret = mInternal.executeRunCommand(pkgName, userId, jobId, force); |
| switch (ret) { |
| case CMD_ERR_NO_PACKAGE: |
| pw.print("Package not found: "); |
| pw.print(pkgName); |
| pw.print(" / user "); |
| pw.println(userId); |
| break; |
| |
| case CMD_ERR_NO_JOB: |
| pw.print("Could not find job "); |
| pw.print(jobId); |
| pw.print(" in package "); |
| pw.print(pkgName); |
| pw.print(" / user "); |
| pw.println(userId); |
| break; |
| |
| case CMD_ERR_CONSTRAINTS: |
| pw.print("Job "); |
| pw.print(jobId); |
| pw.print(" in package "); |
| pw.print(pkgName); |
| pw.print(" / user "); |
| pw.print(userId); |
| pw.println(" has functional constraints but --force not specified"); |
| break; |
| |
| default: |
| // success! |
| pw.print("Running job"); |
| if (force) { |
| pw.print(" [FORCED]"); |
| } |
| pw.println(); |
| break; |
| } |
| return ret; |
| } |
| |
| private int runMonitorBattery(PrintWriter pw) throws Exception { |
| checkPermission("change battery monitoring"); |
| String opt = getNextArgRequired(); |
| boolean enabled; |
| if ("on".equals(opt)) { |
| enabled = true; |
| } else if ("off".equals(opt)) { |
| enabled = false; |
| } else { |
| getErrPrintWriter().println("Error: unknown option " + opt); |
| return 1; |
| } |
| mInternal.setMonitorBattery(enabled); |
| if (enabled) pw.println("Battery monitoring enabled"); |
| else pw.println("Battery monitoring disabled"); |
| return 0; |
| } |
| |
| private int runGetBatterySeq(PrintWriter pw) { |
| int seq = mInternal.getBatterySeq(); |
| pw.println(seq); |
| return 0; |
| } |
| |
| private int runGetBatteryCharging(PrintWriter pw) { |
| boolean val = mInternal.getBatteryCharging(); |
| pw.println(val); |
| return 0; |
| } |
| |
| private int runGetBatteryNotLow(PrintWriter pw) { |
| boolean val = mInternal.getBatteryNotLow(); |
| pw.println(val); |
| return 0; |
| } |
| |
| private int runGetStorageSeq(PrintWriter pw) { |
| int seq = mInternal.getStorageSeq(); |
| pw.println(seq); |
| return 0; |
| } |
| |
| private int runGetStorageNotLow(PrintWriter pw) { |
| boolean val = mInternal.getStorageNotLow(); |
| pw.println(val); |
| return 0; |
| } |
| |
| @Override |
| public void onHelp() { |
| final PrintWriter pw = getOutPrintWriter(); |
| |
| pw.println("Job scheduler (jobscheduler) commands:"); |
| pw.println(" help"); |
| pw.println(" Print this help text."); |
| pw.println(" run [-f | --force] [-u | --user USER_ID] PACKAGE JOB_ID"); |
| pw.println(" Trigger immediate execution of a specific scheduled job."); |
| pw.println(" Options:"); |
| pw.println(" -f or --force: run the job even if technical constraints such as"); |
| pw.println(" connectivity are not currently met"); |
| pw.println(" -u or --user: specify which user's job is to be run; the default is"); |
| pw.println(" the primary or system user"); |
| pw.println(" monitor-battery [on|off]"); |
| pw.println(" Control monitoring of all battery changes. Off by default. Turning"); |
| pw.println(" on makes get-battery-seq useful."); |
| pw.println(" get-battery-seq"); |
| pw.println(" Return the last battery update sequence number that was received."); |
| pw.println(" get-battery-charging"); |
| pw.println(" Return whether the battery is currently considered to be charging."); |
| pw.println(" get-battery-not-low"); |
| pw.println(" Return whether the battery is currently considered to not be low."); |
| pw.println(" get-storage-seq"); |
| pw.println(" Return the last storage update sequence number that was received."); |
| pw.println(" get-storage-not-low"); |
| pw.println(" Return whether storage is currently considered to not be low."); |
| pw.println(); |
| } |
| |
| } |