distribution/layerupload.go

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package registry
import (
"net/http"
"github.com/gorilla/handlers"
)
// layerUploadDispatcher constructs and returns the layer upload handler for
// the given request context.
func layerUploadDispatcher(ctx *Context, r *http.Request) http.Handler {
layerUploadHandler := &layerUploadHandler{
Context: ctx,
TarSum: ctx.vars["tarsum"],
UUID: ctx.vars["uuid"],
}
layerUploadHandler.log = layerUploadHandler.log.WithField("tarsum", layerUploadHandler.TarSum)
if layerUploadHandler.UUID != "" {
layerUploadHandler.log = layerUploadHandler.log.WithField("uuid", layerUploadHandler.UUID)
}
return handlers.MethodHandler{
"POST": http.HandlerFunc(layerUploadHandler.StartLayerUpload),
"GET": http.HandlerFunc(layerUploadHandler.GetUploadStatus),
"HEAD": http.HandlerFunc(layerUploadHandler.GetUploadStatus),
"PUT": http.HandlerFunc(layerUploadHandler.PutLayerChunk),
"DELETE": http.HandlerFunc(layerUploadHandler.CancelLayerUpload),
}
}
// layerUploadHandler handles the http layer upload process.
type layerUploadHandler struct {
*Context
// TarSum is the unique identifier of the layer being uploaded.
TarSum string
// UUID identifies the upload instance for the current request.
UUID string
}
// StartLayerUpload begins the layer upload process and allocates a server-
// side upload session.
func (luh *layerUploadHandler) StartLayerUpload(w http.ResponseWriter, r *http.Request) {
}
// GetUploadStatus returns the status of a given upload, identified by uuid.
func (luh *layerUploadHandler) GetUploadStatus(w http.ResponseWriter, r *http.Request) {
}
// PutLayerChunk receives a layer chunk during the layer upload process,
// possible completing the upload with a checksum and length.
func (luh *layerUploadHandler) PutLayerChunk(w http.ResponseWriter, r *http.Request) {
}
// CancelLayerUpload cancels an in-progress upload of a layer.
func (luh *layerUploadHandler) CancelLayerUpload(w http.ResponseWriter, r *http.Request) {
}