universal7885: Minor cleanup with hidl aidl

universal7885-common/hardware/samsung/fingerprint/service.cpp

@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2019 The LineageOS Project
+ *
+ * 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.
+ */
+
+#define LOG_TAG "android.hardware.biometrics.fingerprint@2.3-service.samsung"
+
+#include <android-base/logging.h>
+#include <hidl/HidlTransportSupport.h>
+#include <utils/Errors.h>
+
+#include "BiometricsFingerprint.h"
+
+using android::hardware::configureRpcThreadpool;
+using android::hardware::joinRpcThreadpool;
+
+using android::hardware::biometrics::fingerprint::V2_3::IBiometricsFingerprint;
+using android::hardware::biometrics::fingerprint::V2_3::implementation::
+    BiometricsFingerprint;
+
+using android::OK;
+using android::sp;
+
+int main() {
+  android::sp<IBiometricsFingerprint> bio =
+      BiometricsFingerprint::getInstance();
+
+  configureRpcThreadpool(1, true);
+
+  if (bio == nullptr || bio->registerAsService() != OK) {
+    LOG(ERROR) << "Could not register service for Fingerprint HAL";
+    goto shutdown;
+  }
+
+  LOG(INFO) << "Fingerprint HAL service is Ready.";
+  joinRpcThreadpool();
+
+shutdown:
+  // In normal operation, we don't expect the thread pool to shutdown
+  LOG(ERROR) << "Fingerprint HAL failed to join thread pool.";
+  return 1;
+}