gc history log (#519)

- Feature: Writes a `gc.log` with settings and detailed result after each GC execution (version 2 only)
- Break out file name rotate to allow access for gclog
- CompactBinaryToJson(MemoryView Data, StringBuilderBase& InBuilder)

1 files changed, 7 insertions, 0 deletions

diff --git a/src/zenstore/include/zenstore/gc.h b/src/zenstore/include/zenstore/gc.h
index 409c9b4d6..d4c7bba25 100644
--- a/src/zenstore/include/zenstore/gc.h
+++ b/src/zenstore/include/zenstore/gc.h
@@ -117,6 +117,10 @@ struct GcResult
 	void Sum();
 };
 
+class CbObjectWriter;
+
+void WriteGCResult(CbObjectWriter& Writer, const GcResult& Result, bool HumanReadable, bool IncludeDetails);
+
 struct GcCtx
 {
 	const GcSettings Settings;
@@ -491,6 +495,7 @@ private:
 	LoggerRef	 Log() { return m_Log; }
 	virtual bool AreDiskWritesAllowed() const override { return !m_AreDiskWritesBlocked.load(); }
 	DiskSpace	 CheckDiskSpace();
+	void		 AppendGCLog(GcClock::TimePoint GcStartTime, const GcSettings& Settings, const GcResult& Result);
 
 	LoggerRef		   m_Log;
 	GcManager&		   m_GcManager;
@@ -517,6 +522,8 @@ private:
 
 	TCasLogFile<DiskUsageWindow::DiskUsageEntry> m_DiskUsageLog;
 	DiskUsageWindow								 m_DiskUsageWindow;
+
+	RwLock m_GcLogLock;
 };
 
 void gc_forcelink();