/usr/share/gocode/src/github.com/jacobsa/bazilfuse/fs/fstestutil/record/record.go is in golang-github-jacobsa-bazilfuse-dev 0.0~git20150622-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import (
"sync"
"sync/atomic"
"github.com/jacobsa/bazilfuse"
"github.com/jacobsa/bazilfuse/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.
type Counter struct {
count uint32
}
func (r *Counter) Inc() {
atomic.AddUint32(&r.count, 1)
}
func (r *Counter) Count() uint32 {
return atomic.LoadUint32(&r.count)
}
// MarkRecorder records whether a thing has occurred.
type MarkRecorder struct {
count Counter
}
func (r *MarkRecorder) Mark() {
r.count.Inc()
}
func (r *MarkRecorder) Recorded() bool {
return r.count.Count() > 0
}
// Flushes notes whether a FUSE Flush call has been seen.
type Flushes struct {
rec MarkRecorder
}
var _ = fs.HandleFlusher(&Flushes{})
func (r *Flushes) Flush(ctx context.Context, req *fuse.FlushRequest) error {
r.rec.Mark()
return nil
}
func (r *Flushes) RecordedFlush() bool {
return r.rec.Recorded()
}
type Recorder struct {
mu sync.Mutex
val interface{}
}
// Record that we've seen value. A nil value is indistinguishable from
// no value recorded.
func (r *Recorder) Record(value interface{}) {
r.mu.Lock()
r.val = value
r.mu.Unlock()
}
func (r *Recorder) Recorded() interface{} {
r.mu.Lock()
val := r.val
r.mu.Unlock()
return val
}
type RequestRecorder struct {
rec Recorder
}
// Record a fuse.Request, after zeroing header fields that are hard to
// reproduce.
//
// Make sure to record a copy, not the original request.
func (r *RequestRecorder) RecordRequest(req fuse.Request) {
hdr := req.Hdr()
*hdr = fuse.Header{}
r.rec.Record(req)
}
func (r *RequestRecorder) Recorded() fuse.Request {
val := r.rec.Recorded()
if val == nil {
return nil
}
return val.(fuse.Request)
}
// Setattrs records a Setattr request and its fields.
type Setattrs struct {
rec RequestRecorder
}
var _ = fs.NodeSetattrer(&Setattrs{})
func (r *Setattrs) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *fuse.SetattrResponse) error {
tmp := *req
r.rec.RecordRequest(&tmp)
return nil
}
func (r *Setattrs) RecordedSetattr() fuse.SetattrRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.SetattrRequest{}
}
return *(val.(*fuse.SetattrRequest))
}
// Fsyncs records an Fsync request and its fields.
type Fsyncs struct {
rec RequestRecorder
}
var _ = fs.NodeFsyncer(&Fsyncs{})
func (r *Fsyncs) Fsync(ctx context.Context, req *fuse.FsyncRequest) error {
tmp := *req
r.rec.RecordRequest(&tmp)
return nil
}
func (r *Fsyncs) RecordedFsync() fuse.FsyncRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.FsyncRequest{}
}
return *(val.(*fuse.FsyncRequest))
}
// Mkdirs records a Mkdir request and its fields.
type Mkdirs struct {
rec RequestRecorder
}
var _ = fs.NodeMkdirer(&Mkdirs{})
// Mkdir records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Mkdirs) Mkdir(ctx context.Context, req *fuse.MkdirRequest) (fs.Node, error) {
tmp := *req
r.rec.RecordRequest(&tmp)
return nil, fuse.EIO
}
// RecordedMkdir returns information about the Mkdir request.
// If no request was seen, returns a zero value.
func (r *Mkdirs) RecordedMkdir() fuse.MkdirRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.MkdirRequest{}
}
return *(val.(*fuse.MkdirRequest))
}
// Symlinks records a Symlink request and its fields.
type Symlinks struct {
rec RequestRecorder
}
var _ = fs.NodeSymlinker(&Symlinks{})
// Symlink records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Symlinks) Symlink(ctx context.Context, req *fuse.SymlinkRequest) (fs.Node, error) {
tmp := *req
r.rec.RecordRequest(&tmp)
return nil, fuse.EIO
}
// RecordedSymlink returns information about the Symlink request.
// If no request was seen, returns a zero value.
func (r *Symlinks) RecordedSymlink() fuse.SymlinkRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.SymlinkRequest{}
}
return *(val.(*fuse.SymlinkRequest))
}
// Links records a Link request and its fields.
type Links struct {
rec RequestRecorder
}
var _ = fs.NodeLinker(&Links{})
// Link records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Links) Link(ctx context.Context, req *fuse.LinkRequest, old fs.Node) (fs.Node, error) {
tmp := *req
r.rec.RecordRequest(&tmp)
return nil, fuse.EIO
}
// RecordedLink returns information about the Link request.
// If no request was seen, returns a zero value.
func (r *Links) RecordedLink() fuse.LinkRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.LinkRequest{}
}
return *(val.(*fuse.LinkRequest))
}
// Mknods records a Mknod request and its fields.
type Mknods struct {
rec RequestRecorder
}
var _ = fs.NodeMknoder(&Mknods{})
// Mknod records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Mknods) Mknod(ctx context.Context, req *fuse.MknodRequest) (fs.Node, error) {
tmp := *req
r.rec.RecordRequest(&tmp)
return nil, fuse.EIO
}
// RecordedMknod returns information about the Mknod request.
// If no request was seen, returns a zero value.
func (r *Mknods) RecordedMknod() fuse.MknodRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.MknodRequest{}
}
return *(val.(*fuse.MknodRequest))
}
// Opens records a Open request and its fields.
type Opens struct {
rec RequestRecorder
}
var _ = fs.NodeOpener(&Opens{})
// Open records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Opens) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.OpenResponse) (fs.Handle, error) {
tmp := *req
r.rec.RecordRequest(&tmp)
return nil, fuse.EIO
}
// RecordedOpen returns information about the Open request.
// If no request was seen, returns a zero value.
func (r *Opens) RecordedOpen() fuse.OpenRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.OpenRequest{}
}
return *(val.(*fuse.OpenRequest))
}
// Getxattrs records a Getxattr request and its fields.
type Getxattrs struct {
rec RequestRecorder
}
var _ = fs.NodeGetxattrer(&Getxattrs{})
// Getxattr records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Getxattrs) Getxattr(ctx context.Context, req *fuse.GetxattrRequest, resp *fuse.GetxattrResponse) error {
tmp := *req
r.rec.RecordRequest(&tmp)
return fuse.ErrNoXattr
}
// RecordedGetxattr returns information about the Getxattr request.
// If no request was seen, returns a zero value.
func (r *Getxattrs) RecordedGetxattr() fuse.GetxattrRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.GetxattrRequest{}
}
return *(val.(*fuse.GetxattrRequest))
}
// Listxattrs records a Listxattr request and its fields.
type Listxattrs struct {
rec RequestRecorder
}
var _ = fs.NodeListxattrer(&Listxattrs{})
// Listxattr records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Listxattrs) Listxattr(ctx context.Context, req *fuse.ListxattrRequest, resp *fuse.ListxattrResponse) error {
tmp := *req
r.rec.RecordRequest(&tmp)
return fuse.ErrNoXattr
}
// RecordedListxattr returns information about the Listxattr request.
// If no request was seen, returns a zero value.
func (r *Listxattrs) RecordedListxattr() fuse.ListxattrRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.ListxattrRequest{}
}
return *(val.(*fuse.ListxattrRequest))
}
// Setxattrs records a Setxattr request and its fields.
type Setxattrs struct {
rec RequestRecorder
}
var _ = fs.NodeSetxattrer(&Setxattrs{})
// Setxattr records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Setxattrs) Setxattr(ctx context.Context, req *fuse.SetxattrRequest) error {
tmp := *req
// The byte slice points to memory that will be reused, so make a
// deep copy.
tmp.Xattr = append([]byte(nil), req.Xattr...)
r.rec.RecordRequest(&tmp)
return nil
}
// RecordedSetxattr returns information about the Setxattr request.
// If no request was seen, returns a zero value.
func (r *Setxattrs) RecordedSetxattr() fuse.SetxattrRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.SetxattrRequest{}
}
return *(val.(*fuse.SetxattrRequest))
}
// Removexattrs records a Removexattr request and its fields.
type Removexattrs struct {
rec RequestRecorder
}
var _ = fs.NodeRemovexattrer(&Removexattrs{})
// Removexattr records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Removexattrs) Removexattr(ctx context.Context, req *fuse.RemovexattrRequest) error {
tmp := *req
r.rec.RecordRequest(&tmp)
return nil
}
// RecordedRemovexattr returns information about the Removexattr request.
// If no request was seen, returns a zero value.
func (r *Removexattrs) RecordedRemovexattr() fuse.RemovexattrRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.RemovexattrRequest{}
}
return *(val.(*fuse.RemovexattrRequest))
}
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