| /* |
| * Copyright (C) 2015 Google Inc. |
| * |
| * 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.google.caliper.platform.dalvik; |
| |
| import static com.google.common.base.Preconditions.checkState; |
| |
| import com.google.caliper.platform.Platform; |
| import com.google.common.base.Preconditions; |
| import com.google.common.base.Predicate; |
| import com.google.common.base.Predicates; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.base.Joiner; |
| |
| import java.io.File; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Map; |
| |
| /** |
| * An abstraction of the Dalvik (aka Android) platform. |
| * |
| * <p>Although this talks about dalvik it actually works with ART too. |
| */ |
| public final class DalvikPlatform extends Platform { |
| |
| // By default, use dalvikvm. |
| // However with --vm (by calling customVmHomeDir) we can change this. |
| private String vmExecutable = "dalvikvm"; |
| private String vmAndroidRoot = System.getenv("ANDROID_ROOT"); |
| |
| public DalvikPlatform() { |
| super(Type.DALVIK); |
| |
| if (vmAndroidRoot == null) { |
| // Shouldn't happen unless running it on the host and someone forgot to set it. |
| // On an actual device, ANDROID_ROOT is always set. |
| vmAndroidRoot = "/system"; |
| } |
| } |
| |
| @Override |
| public File vmExecutable(File vmHome) { |
| File bin = new File(vmHome, "bin"); |
| Preconditions.checkState(bin.exists() && bin.isDirectory(), |
| "Could not find %s under android root %s", bin, vmHome); |
| String executableName = vmExecutable; |
| File dalvikvm = new File(bin, executableName); |
| if (!dalvikvm.exists() || dalvikvm.isDirectory()) { |
| throw new IllegalStateException( |
| String.format("Cannot find %s binary in %s", executableName, bin)); |
| } |
| |
| return dalvikvm; |
| } |
| |
| @Override |
| public ImmutableSet<String> commonInstrumentVmArgs() { |
| return ImmutableSet.of(); |
| } |
| |
| @Override |
| public ImmutableSet<String> workerProcessArgs() { |
| if (vmExecutable.equals("app_process")) { |
| // app_process expects a parent_dir argument before the main class name, e.g. |
| // app_process -cp /path/to/dex/file /system/bin foo.bar.Main |
| return ImmutableSet.of(vmAndroidRoot + "/bin"); |
| } |
| return ImmutableSet.of(); |
| } |
| |
| @Override |
| public String workerClassPath() { |
| // TODO(user): Find a way to get the class path programmatically from the class loader. |
| return System.getProperty("java.class.path"); |
| } |
| |
| @Override |
| public Collection<String> inputArguments() { |
| return Collections.emptyList(); |
| } |
| |
| @Override |
| public Predicate<String> vmPropertiesToRetain() { |
| return Predicates.alwaysFalse(); |
| } |
| |
| @Override |
| public void checkVmProperties(Map<String, String> options) { |
| checkState(options.isEmpty()); |
| } |
| |
| @Override |
| public File customVmHomeDir(Map<String, String> vmGroupMap, String vmConfigName) { |
| // Support a handful of specific commands: |
| switch (vmConfigName) { |
| case "app_process": // run with Android framework code already initialized. |
| case "dalvikvm": // same as not using --vm (selects 64-bit on 64-bit, 32-bit on 32-bit) |
| case "dalvikvm32": // 32-bit specific dalvikvm (e.g. if running on 64-bit device) |
| case "dalvikvm64": // 64-bit specific dalvikvm (which is already default on 64-bit) |
| case "art": // similar to dalvikvm but goes through a script with better settings. |
| { |
| // Usually passed as vmHome to vmExecutable, but we don't get that passed here. |
| String vmHome = vmAndroidRoot; |
| |
| // Do not return the binary here. We return the new vmHome used by #vmExecutable. |
| // Remember that the home directory was changed, and accordingly update the executable name. |
| vmExecutable = vmConfigName; |
| |
| File androidRootFile = new File(vmHome); |
| |
| if (!androidRootFile.exists()) { |
| throw new IllegalStateException(String.format("%s does not exist", androidRootFile)); |
| } else if (!androidRootFile.isDirectory()) { |
| throw new IllegalStateException(String.format("%s is not a directory", androidRootFile)); |
| } |
| |
| return androidRootFile; |
| } |
| } |
| |
| // Unknown vm, throw an exception. |
| |
| Joiner.MapJoiner mapJoiner = Joiner.on(',').withKeyValueSeparator("="); |
| String mapString = (vmGroupMap == null) ? "<null>" : mapJoiner.join(vmGroupMap); |
| |
| if (vmConfigName == null) { |
| vmConfigName = "<null>"; |
| } |
| |
| throw new UnsupportedOperationException( |
| "Running with a custom Dalvik VM is not currently supported (group map = '" + mapString |
| + "', vmConfigName = '" + vmConfigName + "')"); |
| } |
| } |