Christopher Tate | 5d34605 | 2016-03-08 12:56:08 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.job; |
| 18 | |
| 19 | import android.app.AppGlobals; |
| 20 | import android.content.pm.IPackageManager; |
| 21 | import android.content.pm.PackageManager; |
| 22 | import android.os.Binder; |
| 23 | import android.os.RemoteException; |
| 24 | import android.os.ShellCommand; |
| 25 | import android.os.UserHandle; |
| 26 | |
| 27 | import java.io.PrintWriter; |
| 28 | |
| 29 | public class JobSchedulerShellCommand extends ShellCommand { |
| 30 | public static final int CMD_ERR_NO_PACKAGE = -1000; |
| 31 | public static final int CMD_ERR_NO_JOB = -1001; |
| 32 | public static final int CMD_ERR_CONSTRAINTS = -1002; |
| 33 | |
| 34 | JobSchedulerService mInternal; |
| 35 | IPackageManager mPM; |
| 36 | |
| 37 | JobSchedulerShellCommand(JobSchedulerService service) { |
| 38 | mInternal = service; |
| 39 | mPM = AppGlobals.getPackageManager(); |
| 40 | } |
| 41 | |
| 42 | @Override |
| 43 | public int onCommand(String cmd) { |
| 44 | final PrintWriter pw = getOutPrintWriter(); |
| 45 | try { |
| 46 | if ("run".equals(cmd)) { |
| 47 | return runJob(); |
| 48 | } else { |
| 49 | return handleDefaultCommands(cmd); |
| 50 | } |
| 51 | } catch (Exception e) { |
| 52 | pw.println("Exception: " + e); |
| 53 | } |
| 54 | return -1; |
| 55 | } |
| 56 | |
| 57 | private int runJob() { |
| 58 | try { |
| 59 | final int uid = Binder.getCallingUid(); |
| 60 | final int perm = mPM.checkUidPermission( |
| 61 | "android.permission.CHANGE_APP_IDLE_STATE", uid); |
| 62 | if (perm != PackageManager.PERMISSION_GRANTED) { |
| 63 | throw new SecurityException("Uid " + uid |
| 64 | + " not permitted to force scheduled jobs"); |
| 65 | } |
| 66 | } catch (RemoteException e) { |
| 67 | // Can't happen |
| 68 | } |
| 69 | |
| 70 | final PrintWriter pw = getOutPrintWriter(); |
| 71 | boolean force = false; |
| 72 | int userId = UserHandle.USER_SYSTEM; |
| 73 | |
| 74 | String opt; |
| 75 | while ((opt = getNextOption()) != null) { |
| 76 | switch (opt) { |
| 77 | case "-f": |
| 78 | case "--force": |
| 79 | force = true; |
| 80 | break; |
| 81 | |
| 82 | case "-u": |
| 83 | case "--user": |
| 84 | userId = Integer.parseInt(getNextArgRequired()); |
| 85 | break; |
| 86 | |
| 87 | default: |
| 88 | pw.println("Error: unknown option '" + opt + "'"); |
| 89 | return -1; |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | final String pkgName = getNextArgRequired(); |
| 94 | final int jobId = Integer.parseInt(getNextArgRequired()); |
| 95 | |
| 96 | int ret = mInternal.executeRunCommand(pkgName, userId, jobId, force); |
| 97 | switch (ret) { |
| 98 | case CMD_ERR_NO_PACKAGE: |
| 99 | pw.print("Package not found: "); |
| 100 | pw.print(pkgName); |
| 101 | pw.print(" / user "); |
| 102 | pw.println(userId); |
| 103 | break; |
| 104 | |
| 105 | case CMD_ERR_NO_JOB: |
| 106 | pw.print("Could not find job "); |
| 107 | pw.print(jobId); |
| 108 | pw.print(" in package "); |
| 109 | pw.print(pkgName); |
| 110 | pw.print(" / user "); |
| 111 | pw.println(userId); |
| 112 | break; |
| 113 | |
| 114 | case CMD_ERR_CONSTRAINTS: |
| 115 | pw.print("Job "); |
| 116 | pw.print(jobId); |
| 117 | pw.print(" in package "); |
| 118 | pw.print(pkgName); |
| 119 | pw.print(" / user "); |
| 120 | pw.print(userId); |
| 121 | pw.println(" has functional constraints but --force not specified"); |
| 122 | break; |
| 123 | |
| 124 | default: |
| 125 | // success! |
| 126 | pw.print("Running job"); |
| 127 | if (force) { |
| 128 | pw.print(" [FORCED]"); |
| 129 | } |
| 130 | pw.println(); |
| 131 | break; |
| 132 | } |
| 133 | return ret; |
| 134 | } |
| 135 | |
| 136 | @Override |
| 137 | public void onHelp() { |
| 138 | final PrintWriter pw = getOutPrintWriter(); |
| 139 | |
| 140 | pw.println("Job scheduler (jobscheduler) commands:"); |
| 141 | pw.println(" help"); |
| 142 | pw.println(" Print this help text."); |
| 143 | pw.println(); |
| 144 | pw.println(" run [-f | --force] [-u | --user USER_ID] PACKAGE JOB_ID"); |
| 145 | pw.println(" Trigger immediate execution of a specific scheduled job."); |
| 146 | pw.println(" Options:"); |
| 147 | pw.println(" -f or --force: run the job even if technical constraints such as"); |
| 148 | pw.println(" connectivity are not currently met"); |
| 149 | pw.println(" -u or --user: specify which user's job is to be run; the default is"); |
| 150 | pw.println(" the primary or system user"); |
| 151 | pw.println(); |
| 152 | } |
| 153 | |
| 154 | } |