OtaDexoptShellCommand.java revision dbce0ac3da5f3d56cb01bb710605d12614bf83cd
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.server.pm;
18
19import android.content.pm.IOtaDexopt;
20import android.os.RemoteException;
21import android.os.ShellCommand;
22
23import java.io.PrintWriter;
24import java.util.Locale;
25
26class OtaDexoptShellCommand extends ShellCommand {
27    final IOtaDexopt mInterface;
28
29    OtaDexoptShellCommand(OtaDexoptService service) {
30        mInterface = service;
31    }
32
33    @Override
34    public int onCommand(String cmd) {
35        if (cmd == null) {
36            return handleDefaultCommands(null);
37        }
38
39        final PrintWriter pw = getOutPrintWriter();
40        try {
41            switch(cmd) {
42                case "prepare":
43                    return runOtaPrepare();
44                case "cleanup":
45                    return runOtaCleanup();
46                case "done":
47                    return runOtaDone();
48                case "step":
49                    return runOtaStep();
50                case "next":
51                    return runOtaNext();
52                case "progress":
53                    return runOtaProgress();
54                default:
55                    return handleDefaultCommands(cmd);
56            }
57        } catch (RemoteException e) {
58            pw.println("Remote exception: " + e);
59        }
60        return -1;
61    }
62
63    private int runOtaPrepare() throws RemoteException {
64        mInterface.prepare();
65        getOutPrintWriter().println("Success");
66        return 0;
67    }
68
69    private int runOtaCleanup() throws RemoteException {
70        mInterface.cleanup();
71        return 0;
72    }
73
74    private int runOtaDone() throws RemoteException {
75        final PrintWriter pw = getOutPrintWriter();
76        if (mInterface.isDone()) {
77            pw.println("OTA complete.");
78        } else {
79            pw.println("OTA incomplete.");
80        }
81        return 0;
82    }
83
84    private int runOtaStep() throws RemoteException {
85        mInterface.dexoptNextPackage();
86        return 0;
87    }
88
89    private int runOtaNext() throws RemoteException {
90        getOutPrintWriter().println(mInterface.nextDexoptCommand());
91        return 0;
92    }
93
94    private int runOtaProgress() throws RemoteException {
95        final float progress = mInterface.getProgress();
96        final PrintWriter pw = getOutPrintWriter();
97        // Note: The float output is parsed by update_engine. It does needs to be non-localized,
98        //       as it's always expected to be "0.xy," never "0,xy" or similar. So use the ROOT
99        //       Locale for formatting. (b/37760573)
100        pw.format(Locale.ROOT, "%.2f", progress);
101        return 0;
102    }
103
104    @Override
105    public void onHelp() {
106        final PrintWriter pw = getOutPrintWriter();
107        pw.println("OTA Dexopt (ota) commands:");
108        pw.println("  help");
109        pw.println("    Print this help text.");
110        pw.println("");
111        pw.println("  prepare");
112        pw.println("    Prepare an OTA dexopt pass, collecting all packages.");
113        pw.println("  done");
114        pw.println("    Replies whether the OTA is complete or not.");
115        pw.println("  step");
116        pw.println("    OTA dexopt the next package.");
117        pw.println("  next");
118        pw.println("    Get parameters for OTA dexopt of the next package.");
119        pw.println("  cleanup");
120        pw.println("    Clean up internal states. Ends an OTA session.");
121    }
122}
123