fscache: add placeholder [WIP]

Signed-off-by: Alejandro Mery <[email protected]>

cache.code-workspace

@@ -3,6 +3,9 @@
  {
  "path": "."
  },
+ {
+ "path": "x/fscache"
+ },
  {
  "path": "x/groupcache"
  },

x/fscache/LICENCE.txt

@@ -0,0 +1,19 @@
+Copyright 2023 JPI Technologies Ltd <[email protected]>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.

x/fscache/fscache.go

@@ -0,0 +1,44 @@
+// Package fscache implements a cache over fs.FS
+package fscache
+
+import (
+ "context"
+ "sync"
+ "time"
+
+ "darvaza.org/cache"
+ "darvaza.org/slog"
+)
+
+var (
+ _ cache.Store = (*Store)(nil)
+ _ cache.Cache = (*Cache)(nil)
+)
+
+type Store struct {
+ mu sync.Mutex
+ log slog.Logger
+ m map[string]*Cache
+}
+
+func (s *Store) SetLogger(log slog.Logger) {}
+
+func (s *Store) DeregisterCache(name string) {}
+
+func (s *Store) GetCache(name string) cache.Cache {}
+
+func (s *Store) NewCache(name string, cacheBytes int64, getter cache.Getter) cache.Cache {}
+
+type Cache struct {
+ mu sync.Mutex
+ name string
+ store *Store
+}
+
+func (g *Cache) Name() string { return g.name }
+func (g *Cache) Stats(t cache.Type) cache.Stats
+
+func (g *Cache) Get(ctx context.Context, key string, dest cache.Sink) error {}
+func (g *Cache) Set(ctx context.Context, key string, data []byte, expire time.Time, cacheType cache.Type) error {
+}
+func (g *Cache) Remove(ctx context.Context, key string) {}

x/fscache/go.mod

@@ -0,0 +1,15 @@
+module darvaza.org/cache/x/fscache
+
+go 1.19
+
+require (
+ darvaza.org/cache v0.2.1
+ darvaza.org/slog v0.5.2
+)
+
+require (
+ darvaza.org/core v0.9.4 // indirect
+ golang.org/x/exp v0.0.0-20230713183714-613f0c0eb8a1 // indirect
+ golang.org/x/net v0.12.0 // indirect
+ golang.org/x/text v0.11.0 // indirect
+)

x/fscache/go.sum

@@ -0,0 +1,12 @@
+darvaza.org/cache v0.2.1 h1:zu8aIPhp+NhQk/CWt83qaUBaTN35bVYjBPU01ByP3TE=
+darvaza.org/cache v0.2.1/go.mod h1:BJmVYj1dmYMWsuuGA7Htn2JmoCLoAV+MWtEv5lLs0Gw=
+darvaza.org/core v0.9.4 h1:HYKmYiWehDtqATF0vBv2i/DvdpNP7YJPu3pOW7h0CWI=
+darvaza.org/core v0.9.4/go.mod h1:O3tHBMlw+xB47uGh5CUx7dXAujBAMmD8BCRFPZmIw54=
+darvaza.org/slog v0.5.2 h1:8TG1WyHjOyh2vW6t3pjzZVaWzpko5MIIpeI7LWqHFvs=
+darvaza.org/slog v0.5.2/go.mod h1:HAkEpxTA/mkiLNUXJo5qsCh8EVCtA3evje8GAaCDWHI=
+golang.org/x/exp v0.0.0-20230713183714-613f0c0eb8a1 h1:MGwJjxBy0HJshjDNfLsYO8xppfqWlA5ZT9OhtUUhTNw=
+golang.org/x/exp v0.0.0-20230713183714-613f0c0eb8a1/go.mod h1:FXUEEKJgO7OQYeo8N01OfiKP8RXMtf6e8aTskBGqWdc=
+golang.org/x/net v0.12.0 h1:cfawfvKITfUsFCeJIHJrbSxpeu/E81khclypR0GVT50=
+golang.org/x/net v0.12.0/go.mod h1:zEVYFnQC7m/vmpQFELhcD1EWkZlX69l4oqgmer6hfKA=
+golang.org/x/text v0.11.0 h1:LAntKIrcmeSKERyiOh0XMV39LXS8IE9UL2yP7+f5ij4=
+golang.org/x/text v0.11.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=