52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
package main
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import (
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"context"
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"fmt"
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"net"
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"github.com/go-git/go-billy/v5"
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"github.com/go-git/go-billy/v5/memfs"
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nfs "git.kmsign.ru/royalcat/tstor/pkg/go-nfs"
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"git.kmsign.ru/royalcat/tstor/pkg/go-nfs/helpers"
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nfshelper "git.kmsign.ru/royalcat/tstor/pkg/go-nfs/helpers"
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)
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// ROFS is an intercepter for the filesystem indicating it should
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// be read only. The undelrying billy.Memfs indicates it supports
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// writing, but does not in implement billy.Change to support
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// modification of permissions / modTimes, and as such cannot be
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// used as RW system.
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type ROFS struct {
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nfs.Filesystem
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}
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// Capabilities exports the filesystem as readonly
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func (ROFS) Capabilities() billy.Capability {
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return billy.ReadCapability | billy.SeekCapability
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}
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func main() {
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ctx := context.Background()
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listener, err := net.Listen("tcp", ":0")
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if err != nil {
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fmt.Printf("Failed to listen: %v\n", err)
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return
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}
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fmt.Printf("Server running at %s\n", listener.Addr())
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mem := helpers.WrapBillyFS(memfs.New())
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f, err := mem.Create(ctx, "hello.txt")
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if err != nil {
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fmt.Printf("Failed to create file: %v\n", err)
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return
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}
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_, _ = f.Write(ctx, []byte("hello world"))
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_ = f.Close(ctx)
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handler := nfshelper.NewNullAuthHandler(ROFS{mem})
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cacheHelper := nfshelper.NewCachingHandler(handler, 1024)
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fmt.Printf("%v", nfs.Serve(listener, cacheHelper))
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}
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