Add GnssAntennaInfo to HAL
Test: End to end test: run "atest GnssAntennaInfoRegistrationTest" on cuttlefish and watch "adb logcat | grep -i GnssAntennaInfo". Other tests: atest GnssAntennaInfoTest, atest GnssAntennaInfoProviderTest, atest GnssManagerServiceTest, atest VtsHalGnssV2_1TargetTest, atest LocationManagerFineTest.
Bug: 124556515
Change-Id: Ia63a1f5022efdda52ed583a56a50f32807e83130
diff --git a/gnss/2.1/default/GnssAntennaInfo.cpp b/gnss/2.1/default/GnssAntennaInfo.cpp
new file mode 100644
index 0000000..d32a0af
--- /dev/null
+++ b/gnss/2.1/default/GnssAntennaInfo.cpp
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2020 The Android Open Source 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 "GnssAntennaInfo"
+
+#include "GnssAntennaInfo.h"
+#include "Utils.h"
+
+#include <log/log.h>
+
+using ::android::hardware::gnss::common::Utils;
+
+namespace android {
+namespace hardware {
+namespace gnss {
+namespace V2_1 {
+namespace implementation {
+
+sp<IGnssAntennaInfoCallback> GnssAntennaInfo::sCallback = nullptr;
+
+GnssAntennaInfo::GnssAntennaInfo() : mMinIntervalMillis(1000) {}
+
+GnssAntennaInfo::~GnssAntennaInfo() {
+ stop();
+}
+
+// Methods from ::android::hardware::gnss::V2_1::IGnssAntennaInfo follow.
+Return<GnssAntennaInfo::GnssAntennaInfoStatus> GnssAntennaInfo::setCallback(
+ const sp<IGnssAntennaInfoCallback>& callback) {
+ ALOGD("setCallback");
+ std::unique_lock<std::mutex> lock(mMutex);
+ sCallback = callback;
+
+ if (mIsActive) {
+ ALOGW("GnssAntennaInfo callback already set. Resetting the callback...");
+ stop();
+ }
+ start();
+
+ return GnssAntennaInfoStatus::SUCCESS;
+}
+
+Return<void> GnssAntennaInfo::close() {
+ ALOGD("close");
+ std::unique_lock<std::mutex> lock(mMutex);
+ stop();
+ sCallback = nullptr;
+ return Void();
+}
+
+// Private methods
+void GnssAntennaInfo::start() {
+ ALOGD("start");
+ mIsActive = true;
+ mThread = std::thread([this]() {
+ while (mIsActive == true) {
+ if (sCallback != nullptr) {
+ auto antennaInfos = Utils::getMockAntennaInfos();
+ this->reportAntennaInfo(antennaInfos);
+ }
+
+ /** For mock implementation this is good. On real device, we should only report
+ antennaInfo at start and when there is a configuration change. **/
+ std::this_thread::sleep_for(std::chrono::milliseconds(mMinIntervalMillis));
+ }
+ });
+}
+
+void GnssAntennaInfo::stop() {
+ ALOGD("stop");
+ mIsActive = false;
+ if (mThread.joinable()) {
+ mThread.join();
+ }
+}
+
+void GnssAntennaInfo::reportAntennaInfo(
+ const hidl_vec<IGnssAntennaInfoCallback::GnssAntennaInfo>& antennaInfo) const {
+ std::unique_lock<std::mutex> lock(mMutex);
+
+ if (sCallback == nullptr) {
+ ALOGE("%s: No non-null callback", __func__);
+ return;
+ }
+
+ auto ret = sCallback->gnssAntennaInfoCb(antennaInfo);
+ if (!ret.isOk()) {
+ ALOGE("%s: Unable to invoke callback", __func__);
+ }
+}
+
+} // namespace implementation
+} // namespace V2_1
+} // namespace gnss
+} // namespace hardware
+} // namespace android
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