Added CidStore, currently used to track relationships between compressed and uncompressed chunk hashes

This first implementation is in-memory only, persistence is next

1 files changed, 33 insertions, 0 deletions

diff --git a/zenstore/cidstore.cpp b/zenstore/cidstore.cpp
new file mode 100644
index 000000000..6e558e639
--- /dev/null
+++ b/zenstore/cidstore.cpp
@@ -0,0 +1,33 @@
+// Copyright Epic Games, Inc. All Rights Reserved.
+
+#include "zenstore/cidstore.h"
+#include "zenstore/CAS.h"
+
+namespace zen {
+
+CidStore::CidStore(CasStore& InCasStore) : m_CasStore(InCasStore)
+{
+}
+
+CidStore::~CidStore()
+{
+}
+
+void
+CidStore::AddCompressedCid(const IoHash& DecompressedId, const IoHash& Compressed)
+{
+	m_CidMap.insert_or_assign(DecompressedId, Compressed);
+}
+
+IoBuffer
+CidStore::FindChunkByCid(const IoHash& DecompressedId)
+{
+	if (auto It = m_CidMap.find(DecompressedId); It != m_CidMap.end())
+	{
+		return m_CasStore.FindChunk(It->second);
+	}
+
+	return IoBuffer();
+}
+
+}  // namespace zen