oplog and cache stats (#244)

* basic oplog stats
* add GetValueStats to cache store
* RwLock::ExclusiveLockScope -> RwLock::SharedLockScope
* add rawhash and attachment count to CacheValueStats
* added cache-stats and project-stats commands
* add cast to make Mac overload detection happy
* fix accept type in cache-stats command
* Add options to project-stats command
* use resource paths for stats in project store
* use resource paths for stats in cache
* fix cache-info and project-info url discriminator
* more control over details$ output
* cleanup
* changelog

1 files changed, 2 insertions, 2 deletions

diff --git a/zenstore/include/zenstore/blockstore.h b/zenstore/include/zenstore/blockstore.h
index 5ef2d4694..857ccae38 100644
--- a/zenstore/include/zenstore/blockstore.h
+++ b/zenstore/include/zenstore/blockstore.h
@@ -132,7 +132,7 @@ public:
 
 	void WriteChunk(const void* Data, uint64_t Size, uint64_t Alignment, const WriteChunkCallback& Callback);
 
-	IoBuffer TryGetChunk(const BlockStoreLocation& Location);
+	IoBuffer TryGetChunk(const BlockStoreLocation& Location) const;
 	void	 Flush();
 
 	ReclaimSnapshotState GetReclaimSnapshotState();
@@ -157,7 +157,7 @@ public:
 private:
 	std::unordered_map<uint32_t, Ref<BlockStoreFile>> m_ChunkBlocks;
 
-	RwLock				  m_InsertLock;	 // used to serialize inserts
+	mutable RwLock		  m_InsertLock;	 // used to serialize inserts
 	Ref<BlockStoreFile>	  m_WriteBlock;
 	std::uint64_t		  m_CurrentInsertOffset = 0;
 	std::atomic_uint32_t  m_WriteBlockIndex{};