Golang HandleWriterの例

コード例 #1

ファイル: record.go プロジェクト: suffuse/fuse

import (
	"sync"
	"sync/atomic"

	"github.com/suffuse/fuse"
	"github.com/suffuse/fuse/fs"
	"golang.org/x/net/context"
)

// Writes gathers data from FUSE Write calls.
type Writes struct {
	buf Buffer
}

var _ = fs.HandleWriter(&Writes{})

func (w *Writes) Write(ctx context.Context, req *fuse.WriteRequest, resp *fuse.WriteResponse) error {
	n, err := w.buf.Write(req.Data)
	resp.Size = n
	if err != nil {
		return err
	}
	return nil
}

func (w *Writes) RecordedWriteData() []byte {
	return w.buf.Bytes()
}

// Counter records number of times a thing has occurred.

コード例 #2

ファイル: bench_test.go プロジェクト: suffuse/fuse

	l := []fuse.Dirent{
		{Inode: 2, Name: "bench", Type: fuse.DT_File},
	}
	return l, nil
}

type benchFile struct {
	conf *benchConfig
}

var _ = fs.Node(benchFile{})
var _ = fs.NodeOpener(benchFile{})
var _ = fs.NodeFsyncer(benchFile{})
var _ = fs.Handle(benchFile{})
var _ = fs.HandleReader(benchFile{})
var _ = fs.HandleWriter(benchFile{})

func (benchFile) Attr(ctx context.Context, a *fuse.Attr) error {
	a.Inode = 2
	a.Mode = 0644
	a.Size = 9999999999999999
	return nil
}

func (f benchFile) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.OpenResponse) (fs.Handle, error) {
	if f.conf.directIO {
		resp.Flags |= fuse.OpenDirectIO
	}
	// TODO configurable?
	resp.Flags |= fuse.OpenKeepCache
	return f, nil