Make priority queue lambda function return error over a channel

pkg/server/api/bucket-handlers.go

@@ -0,0 +1,158 @@
+/*
+ * Minimalist Object Storage, (C) 2015 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package api
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/gorilla/mux"
+)
+
+// MinioAPI -
+type MinioAPI struct{}
+
+func (api MinioAPI) isValidOp(w http.ResponseWriter, req *http.Request, acceptsContentType contentType) bool {
+	vars := mux.Vars(req)
+	bucket := vars["bucket"]
+	log.Println(bucket)
+	return true
+}
+
+// ListMultipartUploadsHandler - GET Bucket (List Multipart uploads)
+// -------------------------
+// This operation lists in-progress multipart uploads. An in-progress
+// multipart upload is a multipart upload that has been initiated,
+// using the Initiate Multipart Upload request, but has not yet been completed or aborted.
+// This operation returns at most 1,000 multipart uploads in the response.
+//
+func (api MinioAPI) ListMultipartUploadsHandler(w http.ResponseWriter, req *http.Request) {
+	acceptsContentType := getContentType(req)
+	log.Println(acceptsContentType)
+
+	resources := getBucketMultipartResources(req.URL.Query())
+	if resources.MaxUploads == 0 {
+		resources.MaxUploads = maxObjectList
+	}
+
+	vars := mux.Vars(req)
+	bucket := vars["bucket"]
+	log.Println(bucket)
+}
+
+// ListObjectsHandler - GET Bucket (List Objects)
+// -------------------------
+// This implementation of the GET operation returns some or all (up to 1000)
+// of the objects in a bucket. You can use the request parameters as selection
+// criteria to return a subset of the objects in a bucket.
+//
+func (api MinioAPI) ListObjectsHandler(w http.ResponseWriter, req *http.Request) {
+	acceptsContentType := getContentType(req)
+	// verify if bucket allows this operation
+	if !api.isValidOp(w, req, acceptsContentType) {
+		return
+	}
+
+	if isRequestUploads(req.URL.Query()) {
+		api.ListMultipartUploadsHandler(w, req)
+		return
+	}
+
+	resources := getBucketResources(req.URL.Query())
+	if resources.Maxkeys == 0 {
+		resources.Maxkeys = maxObjectList
+	}
+
+	vars := mux.Vars(req)
+	bucket := vars["bucket"]
+	log.Println(bucket)
+
+}
+
+// ListBucketsHandler - GET Service
+// -----------
+// This implementation of the GET operation returns a list of all buckets
+// owned by the authenticated sender of the request.
+func (api MinioAPI) ListBucketsHandler(w http.ResponseWriter, req *http.Request) {
+	acceptsContentType := getContentType(req)
+	// uncomment this when we have webcli
+	// without access key credentials one cannot list buckets
+	// if _, err := stripAuth(req); err != nil {
+	//	writeErrorResponse(w, req, AccessDenied, acceptsContentType, req.URL.Path)
+	//	return
+	// }
+	log.Println(acceptsContentType)
+}
+
+// PutBucketHandler - PUT Bucket
+// ----------
+// This implementation of the PUT operation creates a new bucket for authenticated request
+func (api MinioAPI) PutBucketHandler(w http.ResponseWriter, req *http.Request) {
+	acceptsContentType := getContentType(req)
+	// uncomment this when we have webcli
+	// without access key credentials one cannot create a bucket
+	// if _, err := stripAuth(req); err != nil {
+	// 	writeErrorResponse(w, req, AccessDenied, acceptsContentType, req.URL.Path)
+	//	return
+	// }
+	if isRequestBucketACL(req.URL.Query()) {
+		api.PutBucketACLHandler(w, req)
+		return
+	}
+	// read from 'x-amz-acl'
+	aclType := getACLType(req)
+	if aclType == unsupportedACLType {
+		writeErrorResponse(w, req, NotImplemented, acceptsContentType, req.URL.Path)
+		return
+	}
+
+	vars := mux.Vars(req)
+	bucket := vars["bucket"]
+	log.Println(bucket)
+}
+
+// PutBucketACLHandler - PUT Bucket ACL
+// ----------
+// This implementation of the PUT operation modifies the bucketACL for authenticated request
+func (api MinioAPI) PutBucketACLHandler(w http.ResponseWriter, req *http.Request) {
+	acceptsContentType := getContentType(req)
+	// read from 'x-amz-acl'
+	aclType := getACLType(req)
+	if aclType == unsupportedACLType {
+		writeErrorResponse(w, req, NotImplemented, acceptsContentType, req.URL.Path)
+		return
+	}
+
+	vars := mux.Vars(req)
+	bucket := vars["bucket"]
+	log.Println(bucket)
+}
+
+// HeadBucketHandler - HEAD Bucket
+// ----------
+// This operation is useful to determine if a bucket exists.
+// The operation returns a 200 OK if the bucket exists and you
+// have permission to access it. Otherwise, the operation might
+// return responses such as 404 Not Found and 403 Forbidden.
+func (api MinioAPI) HeadBucketHandler(w http.ResponseWriter, req *http.Request) {
+	acceptsContentType := getContentType(req)
+	log.Println(acceptsContentType)
+
+	vars := mux.Vars(req)
+	bucket := vars["bucket"]
+	log.Println(bucket)
+}