Sm.java revision 82bfca4609244f2b8169bd779765791d6638b448
1/* 2 * Copyright (C) 2015 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 17package com.android.commands.sm; 18 19import android.os.RemoteException; 20import android.os.ServiceManager; 21import android.os.SystemProperties; 22import android.os.storage.DiskInfo; 23import android.os.storage.IMountService; 24import android.os.storage.StorageManager; 25import android.os.storage.VolumeInfo; 26import android.util.Log; 27 28public final class Sm { 29 private static final String TAG = "Sm"; 30 31 IMountService mSm; 32 33 private String[] mArgs; 34 private int mNextArg; 35 private String mCurArgData; 36 37 public static void main(String[] args) { 38 boolean success = false; 39 try { 40 new Sm().run(args); 41 success = true; 42 } catch (Exception e) { 43 if (e instanceof IllegalArgumentException) { 44 showUsage(); 45 System.exit(1); 46 } 47 Log.e(TAG, "Error", e); 48 System.err.println("Error: " + e); 49 } 50 System.exit(success ? 0 : 1); 51 } 52 53 public void run(String[] args) throws Exception { 54 if (args.length < 1) { 55 throw new IllegalArgumentException(); 56 } 57 58 mSm = IMountService.Stub.asInterface(ServiceManager.getService("mount")); 59 if (mSm == null) { 60 throw new RemoteException("Failed to find running mount service"); 61 } 62 63 mArgs = args; 64 String op = args[0]; 65 mNextArg = 1; 66 67 if ("list-disks".equals(op)) { 68 runListDisks(); 69 } else if ("list-volumes".equals(op)) { 70 runListVolumes(); 71 } else if ("has-adoptable".equals(op)) { 72 runHasAdoptable(); 73 } else if ("get-primary-storage-uuid".equals(op)) { 74 runGetPrimaryStorageUuid(); 75 } else if ("set-force-adoptable".equals(op)) { 76 runSetForceAdoptable(); 77 } else if ("partition".equals(op)) { 78 runPartition(); 79 } else if ("mount".equals(op)) { 80 runMount(); 81 } else if ("unmount".equals(op)) { 82 runUnmount(); 83 } else if ("format".equals(op)) { 84 runFormat(); 85 } else if ("benchmark".equals(op)) { 86 runBenchmark(); 87 } else if ("forget".equals(op)) { 88 runForget(); 89 } else { 90 throw new IllegalArgumentException(); 91 } 92 } 93 94 public void runListDisks() throws RemoteException { 95 final boolean onlyAdoptable = "adoptable".equals(nextArg()); 96 final DiskInfo[] disks = mSm.getDisks(); 97 for (DiskInfo disk : disks) { 98 if (!onlyAdoptable || disk.isAdoptable()) { 99 System.out.println(disk.getId()); 100 } 101 } 102 } 103 104 public void runListVolumes() throws RemoteException { 105 final String filter = nextArg(); 106 final int filterType; 107 if ("public".equals(filter)) { 108 filterType = VolumeInfo.TYPE_PUBLIC; 109 } else if ("private".equals(filter)) { 110 filterType = VolumeInfo.TYPE_PRIVATE; 111 } else if ("emulated".equals(filter)) { 112 filterType = VolumeInfo.TYPE_EMULATED; 113 } else { 114 filterType = -1; 115 } 116 117 final VolumeInfo[] vols = mSm.getVolumes(0); 118 for (VolumeInfo vol : vols) { 119 if (filterType == -1 || filterType == vol.getType()) { 120 final String envState = VolumeInfo.getEnvironmentForState(vol.getState()); 121 System.out.println(vol.getId() + " " + envState + " " + vol.getFsUuid()); 122 } 123 } 124 } 125 126 public void runHasAdoptable() { 127 System.out.println(SystemProperties.getBoolean(StorageManager.PROP_HAS_ADOPTABLE, false)); 128 } 129 130 public void runGetPrimaryStorageUuid() throws RemoteException { 131 System.out.println(mSm.getPrimaryStorageUuid()); 132 } 133 134 public void runSetForceAdoptable() throws RemoteException { 135 final boolean forceAdoptable = Boolean.parseBoolean(nextArg()); 136 mSm.setDebugFlags(forceAdoptable ? StorageManager.DEBUG_FORCE_ADOPTABLE : 0, 137 StorageManager.DEBUG_FORCE_ADOPTABLE); 138 } 139 140 public void runPartition() throws RemoteException { 141 final String diskId = nextArg(); 142 final String type = nextArg(); 143 if ("public".equals(type)) { 144 mSm.partitionPublic(diskId); 145 } else if ("private".equals(type)) { 146 mSm.partitionPrivate(diskId); 147 } else if ("mixed".equals(type)) { 148 final int ratio = Integer.parseInt(nextArg()); 149 mSm.partitionMixed(diskId, ratio); 150 } else { 151 throw new IllegalArgumentException("Unsupported partition type " + type); 152 } 153 } 154 155 public void runMount() throws RemoteException { 156 final String volId = nextArg(); 157 mSm.mount(volId); 158 } 159 160 public void runUnmount() throws RemoteException { 161 final String volId = nextArg(); 162 mSm.unmount(volId); 163 } 164 165 public void runFormat() throws RemoteException { 166 final String volId = nextArg(); 167 mSm.format(volId); 168 } 169 170 public void runBenchmark() throws RemoteException { 171 final String volId = nextArg(); 172 mSm.benchmark(volId); 173 } 174 175 public void runForget() throws RemoteException{ 176 final String fsUuid = nextArg(); 177 if ("all".equals(fsUuid)) { 178 mSm.forgetAllVolumes(); 179 } else { 180 mSm.forgetVolume(fsUuid); 181 } 182 } 183 184 private String nextArg() { 185 if (mNextArg >= mArgs.length) { 186 return null; 187 } 188 String arg = mArgs[mNextArg]; 189 mNextArg++; 190 return arg; 191 } 192 193 private static int showUsage() { 194 System.err.println("usage: sm list-disks [adoptable]"); 195 System.err.println(" sm list-volumes [public|private|emulated|all]"); 196 System.err.println(" sm has-adoptable"); 197 System.err.println(" sm get-primary-storage-uuid"); 198 System.err.println(" sm set-force-adoptable [true|false]"); 199 System.err.println(""); 200 System.err.println(" sm partition DISK [public|private|mixed] [ratio]"); 201 System.err.println(" sm mount VOLUME"); 202 System.err.println(" sm unmount VOLUME"); 203 System.err.println(" sm format VOLUME"); 204 System.err.println(" sm benchmark VOLUME"); 205 System.err.println(""); 206 System.err.println(" sm forget [UUID|all]"); 207 System.err.println(""); 208 return 1; 209 } 210} 211