localStore implementing ChunkStore interface

bzz/localstore.go

@@ -0,0 +1,29 @@
+// localstore.go
+package bzz
+
+type localStore struct {
+	memStore *memStore
+	dbStore  *dbStore
+}
+
+// localStore is itself a chunk store , to stores a chunk only
+// its integrity is checked ?
+func (self *localStore) Put(chunk *Chunk) {
+	self.memStore.Put(chunk)
+	self.dbStore.Put(chunk)
+}
+
+// Get(chunk *Chunk) looks up a chunk in the local stores
+// This method is blocking until the chunk is retrieved so additional timeout is needed to wrap this call
+func (self *localStore) Get(key Key) (chunk *Chunk, err error) {
+	chunk, err = self.memStore.Get(key)
+	if err == nil {
+		return
+	}
+	chunk, err = self.dbStore.Get(key)
+	if err != nil {
+		return
+	}
+	self.memStore.Put(chunk)
+	return
+}