本文整理汇总了Golang中github.com/golang/groupcache.Sink.SetBytes方法的典型用法代码示例。如果您正苦于以下问题:Golang Sink.SetBytes方法的具体用法?Golang Sink.SetBytes怎么用?Golang Sink.SetBytes使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/golang/groupcache.Sink
的用法示例。
在下文中一共展示了Sink.SetBytes方法的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: radosGetter
func radosGetter(ctx groupcache.Context, key string, dest groupcache.Sink) error {
rr := ctx.(*RadosReaderAt)
k := &Key{}
err := k.FromString(key)
if err != nil {
return err
}
buf := chunkPool.Get().([]byte)
defer chunkPool.Put(buf)
readP := buf
readN := 0
off := k.offset
for readN < cap(buf) {
count, err := rr.striper.Read(rr.filename, readP, uint64(off))
if err != nil {
return fmt.Errorf("Timeout or Read Error: %s", err.Error())
}
if count == 0 {
break
}
readN += count
off += int64(count)
readP = buf[count:]
}
return dest.SetBytes(buf[:readN])
}
示例2: Get
// Get implements Getter.
func (gt *Getter) Get(ctx groupcache.Context, key string, dest groupcache.Sink) error {
myctx, ok := ctx.(*Context)
if !ok {
return fmt.Errorf("invalid context type: %T", ctx)
}
if myctx == nil {
return fmt.Errorf("context is nil")
}
if myctx.Params == nil {
return fmt.Errorf("context has nil Params")
}
im, err := gt.Server.Get(myctx.Params)
if err != nil {
return err
}
data, err := im.MarshalBinary()
if err != nil {
return err
}
err = dest.SetBytes(data)
if err != nil {
return err
}
return nil
}
示例3: Get
func (g widthLimitedImageGetter) Get(ctx groupcache.Context, key string, dest groupcache.Sink) error {
files, ok := ctx.(map[string]string)
if !ok {
return errors.New("Context type wrong. (expecting map[string]string)")
}
filePath, ok := files[key]
if !ok {
return errors.New(fmt.Sprintf("Requested key (%s) does not exist.", key))
}
file, err := os.Open(filePath)
if err != nil {
return err
}
img, _, err := image.Decode(file)
file.Close()
if err != nil {
return err
}
resized := resize.Resize(uint(g), 0, img, resize.NearestNeighbor)
buf := bytes.NewBuffer(nil)
err = jpeg.Encode(buf, resized, nil)
if err != nil {
return err
}
return dest.SetBytes(buf.Bytes())
}
示例4: Get
func (g fetcherGetter) Get(_ groupcache.Context, key string, dest groupcache.Sink) error {
q, err := url.ParseQuery(key)
if err != nil {
return err
}
bytes, err := g.Generate(q)
if err != nil {
return err
}
return dest.SetBytes(bytes)
}
示例5: Get
func (g zoomedImageGetter) Get(ctx groupcache.Context, key string, dest groupcache.Sink) error {
bfz := &BuildingFloorZoom{}
if err := json.Unmarshal([]byte(key), bfz); err != nil {
return err
}
floor := g.s.GetBuildingFloor(bfz.Building, bfz.Floor)
var err error
floor.ImageOnce.Do(func() {
var img, origImg draw.Image
floor.ImageWG.Add(1)
defer floor.ImageWG.Done()
origImg, err = floor.LoadImage()
if err != nil {
return
}
img = origImg
if floor.Rotation != 0 {
rotatedWidth, rotatedHeight := newImageDimentions(origImg, floor.Rotation)
img = image.NewNRGBA64(image.Rect(0, 0, rotatedWidth, rotatedHeight))
if err = graphics.Rotate(img, origImg, &graphics.RotateOptions{Angle: floor.Rotation}); err != nil {
return
}
}
floor.RotatedImage = img
})
floor.ImageWG.Wait()
if err != nil {
return err
}
img := floor.RotatedImage
coords := ctx.(*models.Coords)
pixelsPerLongitude := TileSize / coords.DLng()
pixelsPerLatitude := TileSize / coords.DLat()
newWidth := floor.Coords.DLng() * pixelsPerLongitude
newHeight := floor.Coords.DLat() * pixelsPerLatitude
log.Printf("Generating resized image %f %f", newWidth, newHeight)
resizedImg := resize.Resize(uint(newWidth), uint(newHeight), img, resize.NearestNeighbor)
var buf bytes.Buffer
if err := tileEncoder.Encode(&buf, resizedImg); err != nil {
return err
}
return dest.SetBytes(buf.Bytes())
}
示例6: generatorFunc
func generatorFunc(ctx groupcache.Context, key string, sink groupcache.Sink) error {
siteURL := ctx.(string)
icons, err := FetchIcons(siteURL)
if err != nil {
// Don't cache errors
return err
}
res := result{Icons: icons}
if err != nil {
res.Error = err.Error()
}
bytes, err := json.Marshal(res)
if err != nil {
panic(err)
}
sink.SetBytes(bytes)
return nil
}