Add parser to support CSV location data
Bug: 213225295
Test: launch_cvd -cpus 16 -memory_mb 16192 --start_gnss_proxy
--gnss_file_path=/google/data/rw/users/yu/yuchenhe/input.txt (Running blue
dot in Google Maps)
Change-Id: I572315888c2f57ce701e695acb03aa6b28787f31
diff --git a/gnss/common/utils/default/Android.bp b/gnss/common/utils/default/Android.bp
index 05bec88..b896f04 100644
--- a/gnss/common/utils/default/Android.bp
+++ b/gnss/common/utils/default/Android.bp
@@ -39,6 +39,7 @@
"v2_1/GnssMeasurement.cpp",
"v2_1/GnssMeasurementCorrections.cpp",
"DeviceFileReader.cpp",
+ "FixLocationParser.cpp",
"GnssRawMeasurementParser.cpp",
"GnssReplayUtils.cpp",
"MockLocation.cpp",
diff --git a/gnss/common/utils/default/FixLocationParser.cpp b/gnss/common/utils/default/FixLocationParser.cpp
new file mode 100644
index 0000000..f391d96
--- /dev/null
+++ b/gnss/common/utils/default/FixLocationParser.cpp
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#include "FixLocationParser.h"
+
+namespace android {
+namespace hardware {
+namespace gnss {
+namespace common {
+
+using aidl::android::hardware::gnss::ElapsedRealtime;
+using aidl::android::hardware::gnss::GnssLocation;
+
+std::unique_ptr<GnssLocation> FixLocationParser::getLocationFromInputStr(
+ const std::string& locationStr) {
+ /*
+ * Fix,Provider,LatitudeDegrees,LongitudeDegrees,AltitudeMeters,SpeedMps,
+ * AccuracyMeters,BearingDegrees,UnixTimeMillis,SpeedAccuracyMps,BearingAccuracyDegrees,
+ * elapsedRealtimeNanos
+ */
+ if (locationStr.empty()) {
+ return nullptr;
+ }
+ std::vector<std::string> locationStrRecords;
+ ParseUtils::splitStr(locationStr, LINE_SEPARATOR, locationStrRecords);
+ if (locationStrRecords.empty()) {
+ return nullptr;
+ }
+
+ std::vector<std::string> locationValues;
+ ParseUtils::splitStr(locationStrRecords[0], COMMA_SEPARATOR, locationValues);
+ if (locationValues.size() < 12) {
+ return nullptr;
+ }
+ ElapsedRealtime elapsedRealtime = {
+ .flags = ElapsedRealtime::HAS_TIMESTAMP_NS | ElapsedRealtime::HAS_TIME_UNCERTAINTY_NS,
+ .timestampNs = ::android::elapsedRealtimeNano(),
+ // This is an hardcoded value indicating a 1ms of uncertainty between the two clocks.
+ // In an actual implementation provide an estimate of the synchronization uncertainty
+ // or don't set the field.
+ .timeUncertaintyNs = 1020400};
+
+ GnssLocation location = {
+ .gnssLocationFlags = 0xFF,
+ .latitudeDegrees = ParseUtils::tryParseDouble(locationValues[2], 0),
+ .longitudeDegrees = ParseUtils::tryParseDouble(locationValues[3], 0),
+ .altitudeMeters = ParseUtils::tryParseDouble(locationValues[4], 0),
+ .speedMetersPerSec = ParseUtils::tryParseDouble(locationValues[5], 0),
+ .bearingDegrees = ParseUtils::tryParseDouble(locationValues[7], 0),
+ .horizontalAccuracyMeters = ParseUtils::tryParseDouble(locationValues[6], 0),
+ .verticalAccuracyMeters = ParseUtils::tryParseDouble(locationValues[6], 0),
+ .speedAccuracyMetersPerSecond = ParseUtils::tryParseDouble(locationValues[9], 0),
+ .bearingAccuracyDegrees = ParseUtils::tryParseDouble(locationValues[10], 0),
+ .timestampMillis = ParseUtils::tryParseLongLong(locationValues[8], 0),
+ .elapsedRealtime = elapsedRealtime};
+ return std::make_unique<GnssLocation>(location);
+}
+
+} // namespace common
+} // namespace gnss
+} // namespace hardware
+} // namespace android
\ No newline at end of file
diff --git a/gnss/common/utils/default/include/FixLocationParser.h b/gnss/common/utils/default/include/FixLocationParser.h
new file mode 100644
index 0000000..a738914
--- /dev/null
+++ b/gnss/common/utils/default/include/FixLocationParser.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#ifndef android_hardware_gnss_common_default_FixLocationParser_H_
+#define android_hardware_gnss_common_default_FixLocationParser_H_
+
+#include <aidl/android/hardware/gnss/BnGnss.h>
+
+#include <utils/SystemClock.h>
+#include <string>
+#include <vector>
+
+#include <Constants.h>
+#include <Utils.h>
+#include <log/log.h>
+#include "Constants.h"
+#include "ParseUtils.h"
+
+namespace android {
+namespace hardware {
+namespace gnss {
+namespace common {
+
+struct FixLocationParser {
+ public:
+ static std::unique_ptr<aidl::android::hardware::gnss::GnssLocation> getLocationFromInputStr(
+ const std::string& inputStr);
+};
+
+} // namespace common
+} // namespace gnss
+} // namespace hardware
+} // namespace android
+
+#endif // android_hardware_gnss_common_default_FixLocationParser_H_
\ No newline at end of file