DataLoader lifecycle.

- restarting DataLoaders for not fully downloaded mounts,
- exponential backoff retry on DataLoader restart.

Bug: 173223115
Bug: 160634487
Test: atest PackageManagerShellCommandTest PackageManagerShellCommandIncrementalTest IncrementalServiceTest PackageManagerServiceTest ChecksumsTest
Change-Id: I5a93fd515ef0fec09452ce7bb4cd79fbd283d45f

1 files changed, 7 insertions, 1 deletions

diff --git a/services/incremental/IncrementalService.h b/services/incremental/IncrementalService.h
index 5d53bac777b5..459ed3293510 100644
--- a/services/incremental/IncrementalService.h
+++ b/services/incremental/IncrementalService.h
@@ -245,7 +245,6 @@ private:
         void setTargetStatusLocked(int status);
 
         bool fsmStep();
-        bool fsmStep(int currentStatus, int targetStatus);
 
         void onHealthStatus(StorageHealthListener healthListener, int healthStatus);
         void updateHealthStatus(bool baseline = false);
@@ -259,6 +258,8 @@ private:
 
         BootClockTsUs getOldestPendingReadTs();
 
+        Milliseconds updateBindDelay();
+
         void registerForPendingReads();
         void unregisterFromPendingReads();
 
@@ -276,6 +277,9 @@ private:
         int mTargetStatus = content::pm::IDataLoaderStatusListener::DATA_LOADER_DESTROYED;
         TimePoint mTargetStatusTs = {};
 
+        TimePoint mPreviousBindTs = {};
+        Milliseconds mPreviousBindDelay = {};
+
         std::string mHealthPath;
         incfs::UniqueControl mHealthControl;
         struct {
@@ -370,6 +374,8 @@ private:
     void addBindMountRecordLocked(IncFsMount& ifs, StorageId storage, std::string&& metadataName,
                                   std::string&& source, std::string&& target, BindKind kind);
 
+    bool needStartDataLoaderLocked(IncFsMount& ifs);
+
     DataLoaderStubPtr prepareDataLoader(IncFsMount& ifs,
                                         content::pm::DataLoaderParamsParcel&& params,
                                         const DataLoaderStatusListener* statusListener = nullptr,