summaryrefslogtreecommitdiff
path: root/internal/fusefrontend_reverse/rpath_cache.go
diff options
context:
space:
mode:
authorJakob Unterwurzacher2020-08-01 20:47:59 +0200
committerJakob Unterwurzacher2020-08-01 21:14:10 +0200
commit13dc7657ba0aac4da3f4b80ba231a919fdfae0f5 (patch)
treed13781bacb4a02327f519d399e946f83fd13e5c7 /internal/fusefrontend_reverse/rpath_cache.go
parentdd3d8c100bc9e84c44b2efb55e536b2fc0ded37e (diff)
v2api/reverse: move old fusefrontend_reverse out of the way
fusefrontend_reverse -> fusefrontend_reverse_v1api
Diffstat (limited to 'internal/fusefrontend_reverse/rpath_cache.go')
-rw-r--r--internal/fusefrontend_reverse/rpath_cache.go45
1 files changed, 0 insertions, 45 deletions
diff --git a/internal/fusefrontend_reverse/rpath_cache.go b/internal/fusefrontend_reverse/rpath_cache.go
deleted file mode 100644
index 221f578..0000000
--- a/internal/fusefrontend_reverse/rpath_cache.go
+++ /dev/null
@@ -1,45 +0,0 @@
-package fusefrontend_reverse
-
-import (
- "sync"
-)
-
-// rPathCacheContainer is a simple one entry path cache. Because the dirIV
-// is generated deterministically from the directory path, there is no need
-// to ever invalidate entries.
-type rPathCacheContainer struct {
- sync.Mutex
- // Relative ciphertext path to the directory
- cPath string
- // Relative plaintext path
- pPath string
- // Directory IV of the directory
- dirIV []byte
-}
-
-// lookup relative ciphertext path "cPath". Returns dirIV, relative
-// plaintext path.
-func (c *rPathCacheContainer) lookup(cPath string) ([]byte, string) {
- c.Lock()
- defer c.Unlock()
- if cPath == c.cPath {
- // hit
- return c.dirIV, c.pPath
- }
- // miss
- return nil, ""
-}
-
-// store - write entry for the directory at relative ciphertext path "cPath"
-// into the cache.
-// "dirIV" = directory IV of the directory, "pPath" = relative plaintext path
-func (c *rPathCacheContainer) store(cPath string, dirIV []byte, pPath string) {
- c.Lock()
- defer c.Unlock()
- c.cPath = cPath
- c.dirIV = dirIV
- c.pPath = pPath
-}
-
-// rPathCache: see rPathCacheContainer above for a detailed description
-var rPathCache rPathCacheContainer