commit 46241a628da3f4ebfa9a7c351b91fe2b171027df
author Yu-Han Yang <yuhany@google.com> Thu Aug 26 16:13:41 2021 -0700
committer Cherrypicker Worker <android-build-cherrypicker-worker@system.gserviceaccount.com> Tue Apr 11 21:10:19 2023 +0000
tree 07e43e351a2aecdaa69c7ecea0891ef391e9a025
parent b400e5f6fc611d2e4a117c1c33285f98517a641f

Implement deleteAidingData and simulate TTFF

Bug: 197671205
Test: atest GnssLocationRateChangeTest
Test: atest GnssMeasurementWhenNoLocationTest
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:ef24c7a10dff0e20048d59026013b507cf0fcbfb)
Merged-In: I9b6a196a1acc24ecb30b0706b4eceba08dad90e9
Change-Id: I9b6a196a1acc24ecb30b0706b4eceba08dad90e9

gnss/common/utils/default/include/v2_1/GnssTemplate.h

diff --git a/gnss/common/utils/default/include/v2_1/GnssTemplate.h b/gnss/common/utils/default/include/v2_1/GnssTemplate.h
index 131af24..92f5a71 100644
--- a/gnss/common/utils/default/include/v2_1/GnssTemplate.h
+++ b/gnss/common/utils/default/include/v2_1/GnssTemplate.h
@@ -44,6 +44,7 @@
 constexpr int INPUT_BUFFER_SIZE = 128;
 constexpr char CMD_GET_LOCATION[] = "CMD_GET_LOCATION";
 constexpr char GNSS_PATH[] = "/dev/gnss0";
+constexpr int TTFF_MILLIS = 2200;
 
 template <class T_IGnss>
 struct GnssTemplate : public T_IGnss {
@@ -129,6 +130,7 @@
     std::atomic<bool> mHardwareModeChecked;
     std::atomic<int> mGnssFd;
     std::thread mThread;
+    std::atomic<bool> mFirstFixReceived;
 
     mutable std::mutex mMutex;
     virtual hidl_vec<V2_1::IGnssCallback::GnssSvInfo> filterBlocklistedSatellitesV2_1(
@@ -150,7 +152,8 @@
     : mMinIntervalMs(1000),
       mGnssConfiguration{new V2_1::implementation::GnssConfiguration()},
       mHardwareModeChecked(false),
-      mGnssFd(-1) {}
+      mGnssFd(-1),
+      mFirstFixReceived(false) {}
 
 template <class T_IGnss>
 GnssTemplate<T_IGnss>::~GnssTemplate() {
@@ -218,6 +221,12 @@
     mIsActive = true;
     this->reportGnssStatusValue(V1_0::IGnssCallback::GnssStatusValue::SESSION_BEGIN);
     mThread = std::thread([this]() {
+        auto svStatus = filterBlocklistedSatellitesV2_1(Utils::getMockSvInfoListV2_1());
+        this->reportSvStatus(svStatus);
+        if (!mFirstFixReceived) {
+            std::this_thread::sleep_for(std::chrono::milliseconds(TTFF_MILLIS));
+            mFirstFixReceived = true;
+        }
         while (mIsActive == true) {
             auto svStatus = filterBlocklistedSatellitesV2_1(Utils::getMockSvInfoListV2_1());
             this->reportSvStatus(svStatus);
@@ -326,7 +335,7 @@
 
 template <class T_IGnss>
 Return<void> GnssTemplate<T_IGnss>::deleteAidingData(V1_0::IGnss::GnssAidingData) {
-    // TODO implement
+    mFirstFixReceived = false;
     return Void();
 }