1 /* 2 * Copyright (C) 2025 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 package android.edi.cts; 17 18 import com.android.compatibility.common.util.DeviceInfo; 19 import com.android.compatibility.common.util.HostInfoStore; 20 import com.android.tradefed.device.ITestDevice; 21 import com.android.tradefed.log.LogUtil.CLog; 22 import com.android.tradefed.util.CommandResult; 23 24 import java.util.Set; 25 26 public class ServiceDeviceInfo extends DeviceInfo { 27 // Add new binder services to be monitored in the following Set 28 private static final Set<String> MONITORED_SERVICES = Set.of("tradeinmode"); 29 30 private static final String PACKAGE = "binder_services"; 31 private static final String NAME = "name"; 32 private static final String INTERFACE_DESCRIPTOR = "interface_descriptor"; 33 private static final String AVAILABILITY = "is_available"; 34 35 private static class ServiceEntry { 36 public String name; 37 public String interfaceDescriptor; 38 } 39 parseServicesLine(HostInfoStore store, String line)40 protected ServiceEntry parseServicesLine(HostInfoStore store, String line) throws Exception { 41 // The first line begins returns the number of services found and can 42 // be skipped. It's the only line string with "Found". 43 if (line.startsWith("Found")) { 44 return null; 45 } 46 47 // Each line has the format: 48 // "<int:line number> <str:service name>: [<interface descriptor>] 49 String[] entries = line.split("\\s+"); 50 if (entries.length != 3) { 51 return null; 52 } 53 54 // Remove the last character of the string as it corresponds to a colon. 55 if (entries[1].length() == 0) { 56 return null; 57 } 58 59 ServiceEntry se = new ServiceEntry(); 60 61 se.name = entries[1].substring(0, entries[1].length() - 1); 62 63 // Remove the first and last characters of the string as they correspond 64 // to square brackets. 65 if (entries.length > 2 && entries[2].length() > 2) { 66 se.interfaceDescriptor = entries[2].substring(1, entries[2].length() - 1); 67 } 68 69 return se; 70 } 71 72 @Override collectDeviceInfo(HostInfoStore store)73 protected void collectDeviceInfo(HostInfoStore store) throws Exception { 74 ITestDevice device = getDevice(); 75 76 CommandResult commandResult = device.executeShellV2Command("service list"); 77 if (commandResult.getExitCode() != 0) { 78 CLog.e("The 'service' command exited with error"); 79 return; 80 } 81 82 String output = commandResult.getStdout(); 83 if (output == null) { 84 CLog.e("Empty output"); 85 return; 86 } 87 88 output = output.trim(); 89 if (output.isEmpty()) { 90 CLog.e("Empty output"); 91 return; 92 } 93 94 store.startArray(PACKAGE); 95 96 for (String name : MONITORED_SERVICES) { 97 ServiceEntry se = null; 98 boolean found = false; 99 100 // Iterate over every line of the output, each line corresponding to a 101 // service found in the device. 102 for (String line : output.split("\\r?\\n")) { 103 se = parseServicesLine(store, line); 104 if (se != null && name.equals(se.name)) { 105 found = true; 106 break; 107 } 108 } 109 store.startGroup(); 110 store.addResult(NAME, name); 111 store.addResult(INTERFACE_DESCRIPTOR, found ? se.interfaceDescriptor : ""); 112 store.addResult(AVAILABILITY, found); 113 store.endGroup(); 114 } 115 116 store.endArray(); 117 } 118 } 119