1 files changed, 81 insertions, 0 deletions
diff --git a/gnss/common/utils/default/GnssReplayUtils.cpp b/gnss/common/utils/default/GnssReplayUtils.cpp
new file mode 100644
index 0000000000..d6769bdacc
--- /dev/null
+++ b/gnss/common/utils/default/GnssReplayUtils.cpp
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2021 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 "GnssReplayUtils.h"
+
+#include <array>
+
+namespace android {
+namespace hardware {
+namespace gnss {
+namespace common {
+
+std::string ReplayUtils::getGnssPath() {
+    std::array<char, PROPERTY_VALUE_MAX> devname_value;
+
+    devname_value.fill(0);
+    if (property_get("debug.location.gnss.devname", devname_value.begin(), NULL) > 0) {
+        return devname_value.begin();
+    }
+
+    devname_value.fill(0);
+    if (property_get("vendor.ser.gnss-uart", devname_value.begin(), NULL) > 0) {
+        return devname_value.begin();
+    }
+
+    return GNSS_PATH;
+}
+
+std::string ReplayUtils::getFixedLocationPath() {
+    std::array<char, PROPERTY_VALUE_MAX> devname_value;
+
+    devname_value.fill(0);
+    if (property_get("debug.location.fixedlocation.devname", devname_value.begin(), NULL) > 0) {
+        return devname_value.begin();
+    }
+
+    devname_value.fill(0);
+    if (property_get("vendor.ser.gnss-uart", devname_value.begin(), NULL) > 0) {
+        return devname_value.begin();
+    }
+
+    return FIXED_LOCATION_PATH;
+}
+
+bool ReplayUtils::hasGnssDeviceFile() {
+    struct stat sb;
+    return stat(getGnssPath().c_str(), &sb) != -1;
+}
+
+bool ReplayUtils::hasFixedLocationDeviceFile() {
+    struct stat sb;
+    return stat(getFixedLocationPath().c_str(), &sb) != -1;
+}
+
+bool ReplayUtils::isGnssRawMeasurement(const std::string& inputStr) {
+    // TODO: add more logic check to by pass invalid data.
+    return !inputStr.empty() && (inputStr.find("Raw") != std::string::npos);
+}
+
+bool ReplayUtils::isNMEA(const std::string& inputStr) {
+    return !inputStr.empty() && (inputStr.find("$GPRMC,", 0) != std::string::npos ||
+                                 inputStr.find("$GPRMA,", 0) != std::string::npos);
+}
+
+}  // namespace common
+}  // namespace gnss
+}  // namespace hardware
+}  // namespace android