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98 lines
2.6 KiB
98 lines
2.6 KiB
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <binder/IServiceManager.h>
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#include <binder/Parcel.h>
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#include "../includes/common.h"
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using namespace android;
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typedef struct ThreadParams {
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sp<IBinder> service;
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} ThreadParams;
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static void *thread_getParameter(void *p) {
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ThreadParams *params = (ThreadParams *)p;
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int err;
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time_t currentTime = start_timer();
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while (timer_active(currentTime)) {
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Parcel data, reply;
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data.writeInterfaceToken(params->service->getInterfaceDescriptor());
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int key = (('m') << 24 | ('t') << 16 | ('r') << 8 | ('X'));
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data.writeInt32(key);
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err = params->service->transact(/*GET_PARAMETER_ID*/ 31, data, &reply, 0);
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if (err == EPIPE) {
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break;
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}
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usleep(5000);
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}
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return nullptr;
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}
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int main() {
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status_t err;
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sp<IServiceManager> sm = defaultServiceManager();
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String16 name(String16("media.player"));
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sp<IBinder> service = sm->checkService(name);
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sp<IBinder> binder = nullptr;
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if (not service) {
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return EXIT_FAILURE;
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}
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String16 interface_name = service->getInterfaceDescriptor();
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Parcel data, reply;
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data.writeInterfaceToken(interface_name);
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data.writeStrongBinder(new BBinder());
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for (int i = 0; i < 1024; ++i)
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data.writeInt32(1);
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if (service) {
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err = service->transact(/*CREATE_ID*/ 1, data, &reply, 0);
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binder = reply.readStrongBinder();
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}
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if (not binder) {
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return EXIT_FAILURE;
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}
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pthread_t t1, t2;
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ThreadParams *params = new ThreadParams();
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params->service = binder;
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pthread_create(&t1, nullptr, thread_getParameter, params);
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pthread_create(&t2, nullptr, thread_getParameter, params);
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time_t currentTime = start_timer();
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while (timer_active(currentTime)) {
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if (not binder) {
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break;
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}
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Parcel data, reply;
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data.writeInterfaceToken(binder->getInterfaceDescriptor());
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data.writeStrongBinder(binder);
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err = binder->transact(/*SET_DATA_SOURCE_URL_ID*/ 2, data, &reply, 0);
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if (err == EPIPE) {
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break;
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}
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usleep(500000);
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}
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pthread_join(t1, nullptr);
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pthread_join(t2, nullptr);
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delete params;
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return EXIT_SUCCESS;
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}
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