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 17#define LOG_TAG "cmd" 18 19#include <utils/Log.h> 20#include <binder/Parcel.h> 21#include <binder/ProcessState.h> 22#include <binder/IResultReceiver.h> 23#include <binder/IServiceManager.h> 24#include <binder/TextOutput.h> 25#include <utils/Vector.h> 26 27#include <getopt.h> 28#include <stdlib.h> 29#include <stdio.h> 30#include <string.h> 31#include <unistd.h> 32#include <sys/time.h> 33 34using namespace android; 35 36static int sort_func(const String16* lhs, const String16* rhs) 37{ 38 return lhs->compare(*rhs); 39} 40 41class MyResultReceiver : public BnResultReceiver 42{ 43public: 44 virtual void send(int32_t /*resultCode*/) { 45 } 46}; 47 48int main(int argc, char* const argv[]) 49{ 50 signal(SIGPIPE, SIG_IGN); 51 sp<ProcessState> proc = ProcessState::self(); 52 proc->startThreadPool(); 53 54 sp<IServiceManager> sm = defaultServiceManager(); 55 fflush(stdout); 56 if (sm == NULL) { 57 ALOGE("Unable to get default service manager!"); 58 aerr << "cmd: Unable to get default service manager!" << endl; 59 return 20; 60 } 61 62 if (argc == 1) { 63 aout << "cmd: no service specified; use -l to list all services" << endl; 64 return 20; 65 } 66 67 if ((argc == 2) && (strcmp(argv[1], "-l") == 0)) { 68 Vector<String16> services = sm->listServices(); 69 services.sort(sort_func); 70 aout << "Currently running services:" << endl; 71 72 for (size_t i=0; i<services.size(); i++) { 73 sp<IBinder> service = sm->checkService(services[i]); 74 if (service != NULL) { 75 aout << " " << services[i] << endl; 76 } 77 } 78 return 0; 79 } 80 81 Vector<String16> args; 82 for (int i=2; i<argc; i++) { 83 args.add(String16(argv[i])); 84 } 85 String16 cmd = String16(argv[1]); 86 sp<IBinder> service = sm->checkService(cmd); 87 if (service == NULL) { 88 aerr << "Can't find service: " << argv[1] << endl; 89 return 20; 90 } 91 92 // TODO: block until a result is returned to MyResultReceiver. 93 IBinder::shellCommand(service, STDIN_FILENO, STDOUT_FILENO, STDERR_FILENO, args, 94 new MyResultReceiver()); 95 return 0; 96} 97