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      1 /*
      2  * Copyright (C) 2017 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 #include <android-base/logging.h>
     18 #include <hidl/HidlTransportSupport.h>
     19 #include <utils/StrongPointer.h>
     20 
     21 #include <application.h>
     22 #include <nos/AppClient.h>
     23 #include <nos/CitadeldProxyClient.h>
     24 
     25 #include <Weaver.h>
     26 #include <Weaver.client.h>
     27 
     28 using ::android::OK;
     29 using ::android::sp;
     30 using ::android::status_t;
     31 using ::android::hardware::configureRpcThreadpool;
     32 using ::android::hardware::joinRpcThreadpool;
     33 
     34 using ::android::hardware::weaver::Weaver;
     35 
     36 using ::nos::CitadeldProxyClient;
     37 using ::nos::AppClient;
     38 
     39 using WeaverClient = ::nugget::app::weaver::Weaver;
     40 
     41 int main() {
     42     LOG(INFO) << "Weaver HAL service starting";
     43 
     44     // Connect to citadeld
     45     CitadeldProxyClient citadeldProxy;
     46     citadeldProxy.Open();
     47     if (!citadeldProxy.IsOpen()) {
     48         LOG(FATAL) << "Failed to open citadeld client";
     49     }
     50 
     51     // This thread will become the only thread of the daemon
     52     constexpr bool thisThreadWillJoinPool = true;
     53     configureRpcThreadpool(1, thisThreadWillJoinPool);
     54 
     55     // Start the HAL service
     56     WeaverClient weaverClient{citadeldProxy};
     57     sp<Weaver> weaver = new Weaver{weaverClient};
     58     const status_t status = weaver->registerAsService();
     59     if (status != OK) {
     60       LOG(FATAL) << "Failed to register Weaver as a service (status: " << status << ")";
     61     }
     62 
     63     joinRpcThreadpool();
     64     return -1; // Should never be reached
     65 }
     66