Remove some api server code bringing in new cleanup

pkg/api/api-bucket-handlers.go

@@ -0,0 +1,155 @@
+/*
+ * 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"
+)
+
+func (server *minioAPI) isValidOp(w http.ResponseWriter, req *http.Request, acceptsContentType contentType) bool {
+	vars := mux.Vars(req)
+	bucket := vars["bucket"]
+	log.Println(bucket)
+	return true
+}
+
+// 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 (server *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)
+}
+
+// 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 (server *minioAPI) listObjectsHandler(w http.ResponseWriter, req *http.Request) {
+	acceptsContentType := getContentType(req)
+	// verify if bucket allows this operation
+	if !server.isValidOp(w, req, acceptsContentType) {
+		return
+	}
+
+	if isRequestUploads(req.URL.Query()) {
+		server.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)
+
+}
+
+// GET Service
+// -----------
+// This implementation of the GET operation returns a list of all buckets
+// owned by the authenticated sender of the request.
+func (server *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)
+}
+
+// PUT Bucket
+// ----------
+// This implementation of the PUT operation creates a new bucket for authenticated request
+func (server *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()) {
+		server.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)
+}
+
+// PUT Bucket ACL
+// ----------
+// This implementation of the PUT operation modifies the bucketACL for authenticated request
+func (server *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)
+}
+
+// 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 (server *minioAPI) headBucketHandler(w http.ResponseWriter, req *http.Request) {
+	acceptsContentType := getContentType(req)
+	log.Println(acceptsContentType)
+
+	vars := mux.Vars(req)
+	bucket := vars["bucket"]
+	log.Println(bucket)
+}

pkg/api/api-generic-handlers.go

@@ -98,7 +98,7 @@ func stripAuth(r *http.Request) (*auth, error) {
 	return a, nil
 }
 
-func getDate(req *http.Request) (time.Time, error) {
+func parseDate(req *http.Request) (time.Time, error) {
 	amzDate := req.Header.Get("X-Amz-Date")
 	switch {
 	case amzDate != "":
@@ -154,7 +154,7 @@ func (h timeHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 			writeErrorResponse(w, r, RequestTimeTooSkewed, acceptsContentType, r.URL.Path)
 			return
 		}
-		date, err := getDate(r)
+		date, err := parseDate(r)
 		if err != nil {
 			// there is no way to knowing if this is a valid request, could be a attack reject such clients
 			writeErrorResponse(w, r, RequestTimeTooSkewed, acceptsContentType, r.URL.Path)

pkg/api/api-logging-handlers.go

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package logging
+package api
 
 import (
 	"bytes"
@@ -31,12 +31,12 @@ import (
 )
 
 type logHandler struct {
-	http.Handler
-	Logger chan<- []byte
+	handler http.Handler
+	logger  chan<- []byte
 }
 
-// LogMessage is a serializable json log message
-type LogMessage struct {
+// logMessage is a serializable json log message
+type logMessage struct {
 	StartTime     time.Time
 	Duration      time.Duration
 	StatusMessage string // human readable http status message
@@ -49,38 +49,38 @@ type LogMessage struct {
 	}
 }
 
-// LogWriter is used to capture status for log messages
-type LogWriter struct {
-	ResponseWriter http.ResponseWriter
-	LogMessage     *LogMessage
+// logWriter is used to capture status for log messages
+type logWriter struct {
+	responseWriter http.ResponseWriter
+	logMessage     *logMessage
 }
 
 // WriteHeader writes headers and stores status in LogMessage
-func (w *LogWriter) WriteHeader(status int) {
-	w.LogMessage.StatusMessage = http.StatusText(status)
-	w.ResponseWriter.WriteHeader(status)
+func (w *logWriter) WriteHeader(status int) {
+	w.logMessage.StatusMessage = http.StatusText(status)
+	w.responseWriter.WriteHeader(status)
 }
 
 // Header Dummy wrapper for LogWriter
-func (w *LogWriter) Header() http.Header {
-	return w.ResponseWriter.Header()
+func (w *logWriter) Header() http.Header {
+	return w.responseWriter.Header()
 }
 
 // Write Dummy wrapper for LogWriter
-func (w *LogWriter) Write(data []byte) (int, error) {
-	return w.ResponseWriter.Write(data)
+func (w *logWriter) Write(data []byte) (int, error) {
+	return w.responseWriter.Write(data)
 }
 
 func (h *logHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
-	logMessage := &LogMessage{
+	logMessage := &logMessage{
 		StartTime: time.Now().UTC(),
 	}
-	logWriter := &LogWriter{ResponseWriter: w, LogMessage: logMessage}
-	h.Handler.ServeHTTP(logWriter, req)
-	h.Logger <- getLogMessage(logMessage, w, req)
+	logWriter := &logWriter{responseWriter: w, logMessage: logMessage}
+	h.handler.ServeHTTP(logWriter, req)
+	h.logger <- getLogMessage(logMessage, w, req)
 }
 
-func getLogMessage(logMessage *LogMessage, w http.ResponseWriter, req *http.Request) []byte {
+func getLogMessage(logMessage *logMessage, w http.ResponseWriter, req *http.Request) []byte {
 	// store lower level details
 	logMessage.HTTP.ResponseHeaders = w.Header()
 	logMessage.HTTP.Request = req
@@ -94,14 +94,14 @@ func getLogMessage(logMessage *LogMessage, w http.ResponseWriter, req *http.Requ
 	return js
 }
 
-// LogHandler logs requests
-func LogHandler(h http.Handler) http.Handler {
-	logger, _ := FileLogger("access.log")
-	return &logHandler{Handler: h, Logger: logger}
+// loggingHandler logs requests
+func loggingHandler(h http.Handler) http.Handler {
+	logger, _ := fileLogger("access.log")
+	return &logHandler{handler: h, logger: logger}
 }
 
-// FileLogger returns a channel that is used to write to the logger
-func FileLogger(filename string) (chan<- []byte, error) {
+// fileLogger returns a channel that is used to write to the logger
+func fileLogger(filename string) (chan<- []byte, error) {
 	ch := make(chan []byte)
 	file, err := os.OpenFile(filename, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0600)
 	if err != nil {

pkg/api/api-object-handlers.go

@@ -25,7 +25,6 @@ import (
 
 	"github.com/gorilla/mux"
 	"github.com/minio/minio/pkg/iodine"
-	"github.com/minio/minio/pkg/storage/drivers"
 	"github.com/minio/minio/pkg/utils/log"
 )
 
@@ -48,47 +47,8 @@ func (server *minioAPI) getObjectHandler(w http.ResponseWriter, req *http.Reques
 	vars := mux.Vars(req)
 	bucket = vars["bucket"]
 	object = vars["object"]
+	log.Println(bucket, object)
 
-	metadata, err := server.driver.GetObjectMetadata(bucket, object)
-	switch iodine.ToError(err).(type) {
-	case nil: // success
-		{
-			httpRange, err := getRequestedRange(req, metadata.Size)
-			if err != nil {
-				writeErrorResponse(w, req, InvalidRange, acceptsContentType, req.URL.Path)
-				return
-			}
-			switch httpRange.start == 0 && httpRange.length == 0 {
-			case true:
-				setObjectHeaders(w, metadata)
-				if _, err := server.driver.GetObject(w, bucket, object); err != nil {
-					// unable to write headers, we've already printed data. Just close the connection.
-					log.Error.Println(iodine.New(err, nil))
-				}
-			case false:
-				metadata.Size = httpRange.length
-				setRangeObjectHeaders(w, metadata, httpRange)
-				w.WriteHeader(http.StatusPartialContent)
-				if _, err := server.driver.GetPartialObject(w, bucket, object, httpRange.start, httpRange.length); err != nil {
-					// unable to write headers, we've already printed data. Just close the connection.
-					log.Error.Println(iodine.New(err, nil))
-				}
-			}
-		}
-	case drivers.ObjectNotFound:
-		{
-			writeErrorResponse(w, req, NoSuchKey, acceptsContentType, req.URL.Path)
-		}
-	case drivers.ObjectNameInvalid:
-		{
-			writeErrorResponse(w, req, NoSuchKey, acceptsContentType, req.URL.Path)
-		}
-	default:
-		{
-			log.Error.Println(iodine.New(err, nil))
-			writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
-		}
-	}
 }
 
 // HEAD Object
@@ -105,34 +65,7 @@ func (server *minioAPI) headObjectHandler(w http.ResponseWriter, req *http.Reque
 	vars := mux.Vars(req)
 	bucket = vars["bucket"]
 	object = vars["object"]
-
-	metadata, err := server.driver.GetObjectMetadata(bucket, object)
-	switch iodine.ToError(err).(type) {
-	case nil:
-		{
-			setObjectHeaders(w, metadata)
-			w.WriteHeader(http.StatusOK)
-		}
-	case drivers.ObjectNotFound:
-		{
-			error := getErrorCode(NoSuchKey)
-			w.Header().Set("Server", "Minio")
-			w.WriteHeader(error.HTTPStatusCode)
-		}
-	case drivers.ObjectNameInvalid:
-		{
-			error := getErrorCode(NoSuchKey)
-			w.Header().Set("Server", "Minio")
-			w.WriteHeader(error.HTTPStatusCode)
-		}
-	default:
-		{
-			log.Error.Println(iodine.New(err, nil))
-			error := getErrorCode(InternalError)
-			w.Header().Set("Server", "Minio")
-			w.WriteHeader(error.HTTPStatusCode)
-		}
-	}
+	log.Println(bucket, object)
 }
 
 // PUT Object
@@ -182,36 +115,7 @@ func (server *minioAPI) putObjectHandler(w http.ResponseWriter, req *http.Reques
 		writeErrorResponse(w, req, InvalidRequest, acceptsContentType, req.URL.Path)
 		return
 	}
-	calculatedMD5, err := server.driver.CreateObject(bucket, object, "", md5, sizeInt64, req.Body)
-	switch iodine.ToError(err).(type) {
-	case nil:
-		{
-			w.Header().Set("ETag", calculatedMD5)
-			writeSuccessResponse(w, acceptsContentType)
-
-		}
-	case drivers.ObjectExists:
-		{
-			writeErrorResponse(w, req, MethodNotAllowed, acceptsContentType, req.URL.Path)
-		}
-	case drivers.BadDigest:
-		{
-			writeErrorResponse(w, req, BadDigest, acceptsContentType, req.URL.Path)
-		}
-	case drivers.EntityTooLarge:
-		{
-			writeErrorResponse(w, req, EntityTooLarge, acceptsContentType, req.URL.Path)
-		}
-	case drivers.InvalidDigest:
-		{
-			writeErrorResponse(w, req, InvalidDigest, acceptsContentType, req.URL.Path)
-		}
-	default:
-		{
-			log.Error.Println(iodine.New(err, nil))
-			writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
-		}
-	}
+	log.Println(bucket, object, sizeInt64)
 }
 
 /// Multipart API
@@ -233,27 +137,7 @@ func (server *minioAPI) newMultipartUploadHandler(w http.ResponseWriter, req *ht
 	vars := mux.Vars(req)
 	bucket = vars["bucket"]
 	object = vars["object"]
-	uploadID, err := server.driver.NewMultipartUpload(bucket, object, "")
-	switch iodine.ToError(err).(type) {
-	case nil:
-		{
-			response := generateInitiateMultipartUploadResult(bucket, object, uploadID)
-			encodedSuccessResponse := encodeSuccessResponse(response, acceptsContentType)
-			// write headers
-			setCommonHeaders(w, getContentTypeString(acceptsContentType), len(encodedSuccessResponse))
-			// write body
-			w.Write(encodedSuccessResponse)
-		}
-	case drivers.ObjectExists:
-		{
-			writeErrorResponse(w, req, MethodNotAllowed, acceptsContentType, req.URL.Path)
-		}
-	default:
-		{
-			log.Error.Println(iodine.New(err, nil))
-			writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
-		}
-	}
+	log.Println(bucket, object)
 }
 
 // Upload part
@@ -293,6 +177,7 @@ func (server *minioAPI) putObjectPartHandler(w http.ResponseWriter, req *http.Re
 	vars := mux.Vars(req)
 	bucket := vars["bucket"]
 	object := vars["object"]
+	log.Println(bucket, object, sizeInt64)
 
 	uploadID := req.URL.Query().Get("uploadId")
 	partIDString := req.URL.Query().Get("partNumber")
@@ -301,40 +186,7 @@ func (server *minioAPI) putObjectPartHandler(w http.ResponseWriter, req *http.Re
 	if err != nil {
 		writeErrorResponse(w, req, InvalidPart, acceptsContentType, req.URL.Path)
 	}
-	calculatedMD5, err := server.driver.CreateObjectPart(bucket, object, uploadID, partID, "", md5, sizeInt64, req.Body)
-	switch iodine.ToError(err).(type) {
-	case nil:
-		{
-			w.Header().Set("ETag", calculatedMD5)
-			writeSuccessResponse(w, acceptsContentType)
-
-		}
-	case drivers.InvalidUploadID:
-		{
-			writeErrorResponse(w, req, NoSuchUpload, acceptsContentType, req.URL.Path)
-		}
-	case drivers.ObjectExists:
-		{
-			writeErrorResponse(w, req, MethodNotAllowed, acceptsContentType, req.URL.Path)
-		}
-	case drivers.BadDigest:
-		{
-			writeErrorResponse(w, req, BadDigest, acceptsContentType, req.URL.Path)
-		}
-	case drivers.EntityTooLarge:
-		{
-			writeErrorResponse(w, req, EntityTooLarge, acceptsContentType, req.URL.Path)
-		}
-	case drivers.InvalidDigest:
-		{
-			writeErrorResponse(w, req, InvalidDigest, acceptsContentType, req.URL.Path)
-		}
-	default:
-		{
-			log.Error.Println(iodine.New(err, nil))
-			writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
-		}
-	}
+	log.Println(uploadID, partID)
 }
 
 // Abort multipart upload
@@ -349,25 +201,8 @@ func (server *minioAPI) abortMultipartUploadHandler(w http.ResponseWriter, req *
 	bucket := vars["bucket"]
 	object := vars["object"]
 
-	objectResourcesMetadata := getObjectResources(req.URL.Query())
-
-	err := server.driver.AbortMultipartUpload(bucket, object, objectResourcesMetadata.UploadID)
-	switch iodine.ToError(err).(type) {
-	case nil:
-		{
-			setCommonHeaders(w, getContentTypeString(acceptsContentType), 0)
-			w.WriteHeader(http.StatusNoContent)
-		}
-	case drivers.InvalidUploadID:
-		{
-			writeErrorResponse(w, req, NoSuchUpload, acceptsContentType, req.URL.Path)
-		}
-	default:
-		{
-			log.Error.Println(iodine.New(err, nil))
-			writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
-		}
-	}
+	//objectResourcesMetadata := getObjectResources(req.URL.Query())
+	log.Println(bucket, object)
 }
 
 // List object parts
@@ -386,28 +221,7 @@ func (server *minioAPI) listObjectPartsHandler(w http.ResponseWriter, req *http.
 	vars := mux.Vars(req)
 	bucket := vars["bucket"]
 	object := vars["object"]
-
-	objectResourcesMetadata, err := server.driver.ListObjectParts(bucket, object, objectResourcesMetadata)
-	switch iodine.ToError(err).(type) {
-	case nil:
-		{
-			response := generateListPartsResult(objectResourcesMetadata)
-			encodedSuccessResponse := encodeSuccessResponse(response, acceptsContentType)
-			// write headers
-			setCommonHeaders(w, getContentTypeString(acceptsContentType), len(encodedSuccessResponse))
-			// write body
-			w.Write(encodedSuccessResponse)
-		}
-	case drivers.InvalidUploadID:
-		{
-			writeErrorResponse(w, req, NoSuchUpload, acceptsContentType, req.URL.Path)
-		}
-	default:
-		{
-			log.Error.Println(iodine.New(err, nil))
-			writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
-		}
-	}
+	log.Println(bucket, object)
 }
 
 // Complete multipart upload
@@ -434,34 +248,15 @@ func (server *minioAPI) completeMultipartUploadHandler(w http.ResponseWriter, re
 	vars := mux.Vars(req)
 	bucket := vars["bucket"]
 	object := vars["object"]
-	objectResourcesMetadata := getObjectResources(req.URL.Query())
+	log.Println(bucket, object)
+
+	//objectResourcesMetadata := getObjectResources(req.URL.Query())
 
 	partMap := make(map[int]string)
 	for _, part := range parts.Part {
 		partMap[part.PartNumber] = part.ETag
 	}
 
-	etag, err := server.driver.CompleteMultipartUpload(bucket, object, objectResourcesMetadata.UploadID, partMap)
-	switch iodine.ToError(err).(type) {
-	case nil:
-		{
-			response := generateCompleteMultpartUploadResult(bucket, object, "", etag)
-			encodedSuccessResponse := encodeSuccessResponse(response, acceptsContentType)
-			// write headers
-			setCommonHeaders(w, getContentTypeString(acceptsContentType), len(encodedSuccessResponse))
-			// write body
-			w.Write(encodedSuccessResponse)
-		}
-	case drivers.InvalidUploadID:
-		{
-			writeErrorResponse(w, req, NoSuchUpload, acceptsContentType, req.URL.Path)
-		}
-	default:
-		{
-			log.Error.Println(iodine.New(err, nil))
-			writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
-		}
-	}
 }
 
 /// Delete API

pkg/api/api-ratelimit-handlers.go

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package quota
+package api
 
 import "net/http"
 
@@ -24,26 +24,26 @@ type rateLimit struct {
 	rateQueue chan bool
 }
 
-func (c *rateLimit) Add() {
+func (c rateLimit) Add() {
 	c.rateQueue <- true // fill in the queue
 	return
 }
 
-func (c *rateLimit) Remove() {
+func (c rateLimit) Remove() {
 	<-c.rateQueue // invalidate the queue, after the request is served
 	return
 }
 
 // ServeHTTP is an http.Handler ServeHTTP method
-func (c *rateLimit) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+func (c rateLimit) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	c.Add()                     // add
 	c.handler.ServeHTTP(w, req) // serve
 	c.Remove()                  // remove
 }
 
-// RateLimit limits the number of concurrent http requests
-func RateLimit(handle http.Handler, limit int) http.Handler {
-	return &rateLimit{
+// rateLimitHandler limits the number of concurrent http requests
+func rateLimitHandler(handle http.Handler, limit int) http.Handler {
+	return rateLimit{
 		handler:   handle,
 		rateQueue: make(chan bool, limit),
 	}

pkg/api/api-router.go

@@ -16,42 +16,15 @@
 
 package api
 
-import (
-	"net/http"
+import router "github.com/gorilla/mux"
 
-	router "github.com/gorilla/mux"
-	"github.com/minio/minio/pkg/api/logging"
-	"github.com/minio/minio/pkg/api/quota"
-	"github.com/minio/minio/pkg/storage/drivers"
-)
+type minioAPI struct{}
 
-type minioAPI struct {
-	driver drivers.Driver
-}
-
-// Config api configurable parameters
-type Config struct {
-	RateLimit int
-	driver    drivers.Driver
-}
-
-// GetDriver - get a an existing set driver
-func (c Config) GetDriver() drivers.Driver {
-	return c.driver
-}
-
-// SetDriver - set a new driver
-func (c *Config) SetDriver(driver drivers.Driver) {
-	c.driver = driver
-}
-
-// HTTPHandler - http wrapper handler
-func HTTPHandler(config Config) http.Handler {
-	var mux *router.Router
+// Handler - api wrapper handler
+func New(config Config) API {
 	var api = minioAPI{}
-	api.driver = config.GetDriver()
 
-	mux = router.NewRouter()
+	mux := router.NewRouter()
 	mux.HandleFunc("/", api.listBucketsHandler).Methods("GET")
 	mux.HandleFunc("/{bucket}", api.listObjectsHandler).Methods("GET")
 	mux.HandleFunc("/{bucket}", api.putBucketHandler).Methods("PUT")
@@ -75,12 +48,7 @@ func HTTPHandler(config Config) http.Handler {
 	handler = timeValidityHandler(handler)
 	handler = ignoreResourcesHandler(handler)
 	handler = validateAuthHeaderHandler(handler)
-	//	handler = quota.BandwidthCap(h, 25*1024*1024, time.Duration(30*time.Minute))
-	//	handler = quota.BandwidthCap(h, 100*1024*1024, time.Duration(24*time.Hour))
-	//	handler = quota.RequestLimit(h, 100, time.Duration(30*time.Minute))
-	//	handler = quota.RequestLimit(h, 1000, time.Duration(24*time.Hour))
-	//      handler = quota.ConnectionLimit(handler, config.ConnectionLimit)
-	handler = quota.RateLimit(handler, config.RateLimit)
-	handler = logging.LogHandler(handler)
-	return handler
+	handler = rateLimitHandler(handler, config.RateLimit)
+	handler = loggingHandler(handler)
+	return API{config, handler}
 }

pkg/api/api_bucket_handlers.go

@@ -1,320 +0,0 @@
-/*
- * 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 (
-	"net/http"
-
-	"github.com/gorilla/mux"
-	"github.com/minio/minio/pkg/iodine"
-	"github.com/minio/minio/pkg/storage/drivers"
-	"github.com/minio/minio/pkg/utils/log"
-)
-
-func (server *minioAPI) isValidOp(w http.ResponseWriter, req *http.Request, acceptsContentType contentType) bool {
-	vars := mux.Vars(req)
-	bucket := vars["bucket"]
-
-	bucketMetadata, err := server.driver.GetBucketMetadata(bucket)
-	switch iodine.ToError(err).(type) {
-	case drivers.BucketNotFound:
-		{
-			writeErrorResponse(w, req, NoSuchBucket, acceptsContentType, req.URL.Path)
-			return false
-		}
-	case drivers.BucketNameInvalid:
-		{
-			writeErrorResponse(w, req, InvalidBucketName, acceptsContentType, req.URL.Path)
-			return false
-		}
-	case nil:
-		if _, err := stripAuth(req); err != nil {
-			if bucketMetadata.ACL.IsPrivate() {
-				return true
-				//uncomment this when we have webcli
-				//writeErrorResponse(w, req, AccessDenied, acceptsContentType, req.URL.Path)
-				//return false
-			}
-			if bucketMetadata.ACL.IsPublicRead() && req.Method == "PUT" {
-				return true
-				//uncomment this when we have webcli
-				//writeErrorResponse(w, req, AccessDenied, acceptsContentType, req.URL.Path)
-				//return false
-			}
-		}
-	default:
-		{
-			log.Error.Println(iodine.New(err, nil))
-			writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
-		}
-	}
-	return true
-}
-
-// 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 (server *minioAPI) listMultipartUploadsHandler(w http.ResponseWriter, req *http.Request) {
-	acceptsContentType := getContentType(req)
-
-	resources := getBucketMultipartResources(req.URL.Query())
-	if resources.MaxUploads == 0 {
-		resources.MaxUploads = maxObjectList
-	}
-
-	vars := mux.Vars(req)
-	bucket := vars["bucket"]
-
-	resources, err := server.driver.ListMultipartUploads(bucket, resources)
-	switch iodine.ToError(err).(type) {
-	case nil: // success
-		{
-			// generate response
-			response := generateListMultipartUploadsResult(bucket, resources)
-			encodedSuccessResponse := encodeSuccessResponse(response, acceptsContentType)
-			// write headers
-			setCommonHeaders(w, getContentTypeString(acceptsContentType), len(encodedSuccessResponse))
-			// write body
-			w.Write(encodedSuccessResponse)
-		}
-	case drivers.BucketNotFound:
-		{
-			writeErrorResponse(w, req, NoSuchBucket, acceptsContentType, req.URL.Path)
-		}
-	default:
-		{
-			log.Error.Println(iodine.New(err, nil))
-			writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
-		}
-	}
-
-}
-
-// 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 (server *minioAPI) listObjectsHandler(w http.ResponseWriter, req *http.Request) {
-	acceptsContentType := getContentType(req)
-	// verify if bucket allows this operation
-	if !server.isValidOp(w, req, acceptsContentType) {
-		return
-	}
-
-	if isRequestUploads(req.URL.Query()) {
-		server.listMultipartUploadsHandler(w, req)
-		return
-	}
-
-	resources := getBucketResources(req.URL.Query())
-	if resources.Maxkeys == 0 {
-		resources.Maxkeys = maxObjectList
-	}
-
-	vars := mux.Vars(req)
-	bucket := vars["bucket"]
-
-	objects, resources, err := server.driver.ListObjects(bucket, resources)
-	switch iodine.ToError(err).(type) {
-	case nil: // success
-		{
-			// generate response
-			response := generateListObjectsResponse(bucket, objects, resources)
-			encodedSuccessResponse := encodeSuccessResponse(response, acceptsContentType)
-			// write headers
-			setCommonHeaders(w, getContentTypeString(acceptsContentType), len(encodedSuccessResponse))
-			// write body
-			w.Write(encodedSuccessResponse)
-		}
-	case drivers.ObjectNotFound:
-		{
-			writeErrorResponse(w, req, NoSuchKey, acceptsContentType, req.URL.Path)
-		}
-	case drivers.ObjectNameInvalid:
-		{
-			writeErrorResponse(w, req, NoSuchKey, acceptsContentType, req.URL.Path)
-		}
-	default:
-		{
-			log.Error.Println(iodine.New(err, nil))
-			writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
-		}
-	}
-}
-
-// GET Service
-// -----------
-// This implementation of the GET operation returns a list of all buckets
-// owned by the authenticated sender of the request.
-func (server *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
-	// }
-	buckets, err := server.driver.ListBuckets()
-	switch iodine.ToError(err).(type) {
-	case nil:
-		{
-			// generate response
-			response := generateListBucketsResponse(buckets)
-			encodedSuccessResponse := encodeSuccessResponse(response, acceptsContentType)
-			// write headers
-			setCommonHeaders(w, getContentTypeString(acceptsContentType), len(encodedSuccessResponse))
-			// write response
-			w.Write(encodedSuccessResponse)
-		}
-	default:
-		{
-			log.Error.Println(iodine.New(err, nil))
-			writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
-		}
-	}
-}
-
-// PUT Bucket
-// ----------
-// This implementation of the PUT operation creates a new bucket for authenticated request
-func (server *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()) {
-		server.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"]
-	err := server.driver.CreateBucket(bucket, getACLTypeString(aclType))
-	switch iodine.ToError(err).(type) {
-	case nil:
-		{
-			// Make sure to add Location information here only for bucket
-			w.Header().Set("Location", "/"+bucket)
-			writeSuccessResponse(w, acceptsContentType)
-		}
-	case drivers.TooManyBuckets:
-		{
-			writeErrorResponse(w, req, TooManyBuckets, acceptsContentType, req.URL.Path)
-		}
-	case drivers.BucketNameInvalid:
-		{
-			writeErrorResponse(w, req, InvalidBucketName, acceptsContentType, req.URL.Path)
-		}
-	case drivers.BucketExists:
-		{
-			writeErrorResponse(w, req, BucketAlreadyExists, acceptsContentType, req.URL.Path)
-		}
-	default:
-		{
-			log.Error.Println(iodine.New(err, nil))
-			writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
-		}
-	}
-}
-
-// PUT Bucket ACL
-// ----------
-// This implementation of the PUT operation modifies the bucketACL for authenticated request
-func (server *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"]
-	err := server.driver.SetBucketMetadata(bucket, getACLTypeString(aclType))
-	switch iodine.ToError(err).(type) {
-	case nil:
-		{
-			writeSuccessResponse(w, acceptsContentType)
-		}
-	case drivers.BucketNameInvalid:
-		{
-			writeErrorResponse(w, req, InvalidBucketName, acceptsContentType, req.URL.Path)
-		}
-	case drivers.BucketNotFound:
-		{
-			writeErrorResponse(w, req, NoSuchBucket, acceptsContentType, req.URL.Path)
-		}
-	default:
-		{
-			log.Error.Println(iodine.New(err, nil))
-			writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
-		}
-	}
-}
-
-// 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 (server *minioAPI) headBucketHandler(w http.ResponseWriter, req *http.Request) {
-	acceptsContentType := getContentType(req)
-
-	vars := mux.Vars(req)
-	bucket := vars["bucket"]
-
-	_, err := server.driver.GetBucketMetadata(bucket)
-	switch iodine.ToError(err).(type) {
-	case nil:
-		{
-			writeSuccessResponse(w, acceptsContentType)
-		}
-	case drivers.BucketNotFound:
-		{
-			error := getErrorCode(NoSuchBucket)
-			w.WriteHeader(error.HTTPStatusCode)
-		}
-	case drivers.BucketNameInvalid:
-		{
-			error := getErrorCode(InvalidBucketName)
-			w.WriteHeader(error.HTTPStatusCode)
-		}
-	default:
-		{
-			log.Error.Println(iodine.New(err, nil))
-			error := getErrorCode(InternalError)
-			w.WriteHeader(error.HTTPStatusCode)
-		}
-	}
-}

pkg/api/quota/bandwidth_cap.go

@@ -1,152 +0,0 @@
-/*
- * 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 quota
-
-import (
-	"errors"
-	"io"
-	"net"
-	"net/http"
-	"time"
-
-	"sync"
-
-	"github.com/minio/minio/pkg/iodine"
-	"github.com/minio/minio/pkg/utils/log"
-)
-
-// bandwidthQuotaHandler
-type bandwidthQuotaHandler struct {
-	handler http.Handler
-	quotas  *quotaMap
-}
-
-// ServeHTTP is an http.Handler ServeHTTP method
-func (h *bandwidthQuotaHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
-	host, _, _ := net.SplitHostPort(req.RemoteAddr)
-	longIP := longIP{net.ParseIP(host)}.IptoUint32()
-	if h.quotas.WillExceedQuota(longIP, req.ContentLength) {
-		hosts, _ := net.LookupAddr(uint32ToIP(longIP).String())
-		log.Debug.Printf("Offending Host: %s, BandwidthUsed: %d", hosts, h.quotas.GetQuotaUsed(longIP))
-		writeErrorResponse(w, req, BandWidthInsufficientToProceed, req.URL.Path)
-		return
-	}
-	qr := &quotaReader{
-		ReadCloser: req.Body,
-		quotas:     h.quotas,
-		ip:         longIP,
-		w:          w,
-		req:        req,
-		lock:       &sync.RWMutex{},
-	}
-	req.Body = qr
-	w = &quotaWriter{
-		ResponseWriter: w,
-		quotas:         h.quotas,
-		ip:             longIP,
-		quotaReader:    qr,
-	}
-	h.handler.ServeHTTP(w, req)
-}
-
-// BandwidthCap sets a quote based upon bandwidth used
-func BandwidthCap(h http.Handler, limit int64, duration time.Duration) http.Handler {
-	return &bandwidthQuotaHandler{
-		handler: h,
-		quotas: &quotaMap{
-			data:        make(map[int64]map[uint32]int64),
-			limit:       int64(limit),
-			duration:    duration,
-			segmentSize: segmentSize(duration),
-		},
-	}
-}
-
-type quotaReader struct {
-	io.ReadCloser
-	quotas *quotaMap
-	ip     uint32
-	w      http.ResponseWriter
-	req    *http.Request
-	err    bool
-	lock   *sync.RWMutex
-}
-
-func (q *quotaReader) Read(b []byte) (int, error) {
-	log.Println(q.quotas.GetQuotaUsed(q.ip))
-	log.Println(q.quotas.limit)
-	q.lock.Lock()
-	defer q.lock.Unlock()
-	if q.err {
-		return 0, iodine.New(errors.New("Quota Met"), nil)
-	}
-	if q.err == false && q.quotas.IsQuotaMet(q.ip) {
-		defer q.lock.Unlock()
-		q.err = true
-		hosts, _ := net.LookupAddr(uint32ToIP(q.ip).String())
-		log.Debug.Printf("Offending Host: %s, BandwidthUsed: %d", hosts, q.quotas.GetQuotaUsed(q.ip))
-		writeErrorResponse(q.w, q.req, BandWidthQuotaExceeded, q.req.URL.Path)
-		return 0, iodine.New(errors.New("Quota Met"), nil)
-	}
-	n, err := q.ReadCloser.Read(b)
-	q.quotas.Add(q.ip, int64(n))
-	return n, iodine.New(err, nil)
-}
-
-func (q *quotaReader) Close() error {
-	return iodine.New(q.ReadCloser.Close(), nil)
-}
-
-type quotaWriter struct {
-	ResponseWriter http.ResponseWriter
-	quotas         *quotaMap
-	ip             uint32
-	quotaReader    *quotaReader
-}
-
-func (q *quotaWriter) Write(b []byte) (int, error) {
-	q.quotaReader.lock.RLock()
-	defer q.quotaReader.lock.RUnlock()
-	if q.quotas.IsQuotaMet(q.ip) {
-		return 0, iodine.New(errors.New("Quota Met"), nil)
-	}
-	q.quotas.Add(q.ip, int64(len(b)))
-	n, err := q.ResponseWriter.Write(b)
-	// remove from quota if a full write isn't performed
-	q.quotas.Add(q.ip, int64(n-len(b)))
-	return n, iodine.New(err, nil)
-}
-func (q *quotaWriter) Header() http.Header {
-	return q.ResponseWriter.Header()
-}
-
-func (q *quotaWriter) WriteHeader(status int) {
-	q.quotaReader.lock.RLock()
-	defer q.quotaReader.lock.RUnlock()
-	if q.quotas.IsQuotaMet(q.ip) || q.quotaReader.err {
-		return
-	}
-	q.ResponseWriter.WriteHeader(status)
-}
-
-func segmentSize(duration time.Duration) time.Duration {
-	var segmentSize time.Duration
-	for i := int64(1); i < duration.Nanoseconds(); i = i * 10 {
-		segmentSize = time.Duration(i)
-	}
-	return segmentSize
-}

pkg/api/quota/conn_limit.go

@@ -1,89 +0,0 @@
-/*
- * 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 quota
-
-import (
-	"net"
-	"net/http"
-	"sync"
-
-	"github.com/minio/minio/pkg/utils/log"
-)
-
-// requestLimitHandler
-type connLimit struct {
-	sync.RWMutex
-	handler     http.Handler
-	connections map[uint32]int
-	limit       int
-}
-
-func (c *connLimit) IsLimitExceeded(ip uint32) bool {
-	if c.connections[ip] >= c.limit {
-		return true
-	}
-	return false
-}
-
-func (c *connLimit) GetUsed(ip uint32) int {
-	return c.connections[ip]
-}
-
-func (c *connLimit) Add(ip uint32) {
-	c.Lock()
-	defer c.Unlock()
-	count := c.connections[ip]
-	count = count + 1
-	c.connections[ip] = count
-	return
-}
-
-func (c *connLimit) Remove(ip uint32) {
-	c.Lock()
-	defer c.Unlock()
-	count, _ := c.connections[ip]
-	count = count - 1
-	if count <= 0 {
-		delete(c.connections, ip)
-		return
-	}
-	c.connections[ip] = count
-}
-
-// ServeHTTP is an http.Handler ServeHTTP method
-func (c *connLimit) ServeHTTP(w http.ResponseWriter, req *http.Request) {
-	host, _, _ := net.SplitHostPort(req.RemoteAddr)
-	longIP := longIP{net.ParseIP(host)}.IptoUint32()
-	if c.IsLimitExceeded(longIP) {
-		hosts, _ := net.LookupAddr(uint32ToIP(longIP).String())
-		log.Debug.Printf("Connection limit reached - Host: %s, Total Connections: %d\n", hosts, c.GetUsed(longIP))
-		writeErrorResponse(w, req, ConnectionLimitExceeded, req.URL.Path)
-		return
-	}
-	c.Add(longIP)
-	defer c.Remove(longIP)
-	c.handler.ServeHTTP(w, req)
-}
-
-// ConnectionLimit limits the number of concurrent connections
-func ConnectionLimit(h http.Handler, limit int) http.Handler {
-	return &connLimit{
-		handler:     h,
-		connections: make(map[uint32]int),
-		limit:       limit,
-	}
-}

pkg/api/quota/errors.go

@@ -1,127 +0,0 @@
-/*
- * 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 quota
-
-import (
-	"bytes"
-	"encoding/xml"
-	"net/http"
-)
-
-// copied from api, no cyclic deps allowed
-
-// Error structure
-type Error struct {
-	Code           string
-	Description    string
-	HTTPStatusCode int
-}
-
-// ErrorResponse - error response format
-type ErrorResponse struct {
-	XMLName   xml.Name `xml:"Error" json:"-"`
-	Code      string
-	Message   string
-	Resource  string
-	RequestID string
-	HostID    string
-}
-
-// Quota standard errors non exhaustive list
-const (
-	RequestTimeTooSkewed = iota
-	BandWidthQuotaExceeded
-	BandWidthInsufficientToProceed
-	ConnectionLimitExceeded
-	SlowDown
-)
-
-// Golang http doesn't implement these
-const (
-	StatusTooManyRequests = 429
-)
-
-func writeErrorResponse(w http.ResponseWriter, req *http.Request, errorType int, resource string) {
-	error := getErrorCode(errorType)
-	errorResponse := getErrorResponse(error, resource)
-	encodedErrorResponse := encodeErrorResponse(errorResponse)
-	// set headers
-	writeErrorHeaders(w)
-	w.WriteHeader(error.HTTPStatusCode)
-	// write body
-	w.Write(encodedErrorResponse)
-}
-
-func writeErrorHeaders(w http.ResponseWriter) {
-	w.Header().Set("Server", "Minio")
-	w.Header().Set("Accept-Ranges", "bytes")
-	w.Header().Set("Content-Type", "application/xml")
-	w.Header().Set("Connection", "close")
-}
-
-// Error code to Error structure map
-var errorCodeResponse = map[int]Error{
-	BandWidthQuotaExceeded: {
-		Code:           "BandwidthQuotaExceeded",
-		Description:    "Bandwidth Quota Exceeded.",
-		HTTPStatusCode: StatusTooManyRequests,
-	},
-	BandWidthInsufficientToProceed: {
-		Code:           "BandwidthQuotaWillBeExceeded",
-		Description:    "Bandwidth quota will be exceeded with this request.",
-		HTTPStatusCode: StatusTooManyRequests,
-	},
-	ConnectionLimitExceeded: {
-		Code:           "ConnectionLimitExceeded",
-		Description:    "Connections Limit Exceeded.",
-		HTTPStatusCode: StatusTooManyRequests,
-	},
-	SlowDown: {
-		Code:           "SlowDown",
-		Description:    "Reduce your request rate.",
-		HTTPStatusCode: StatusTooManyRequests,
-	},
-}
-
-// Write error response headers
-func encodeErrorResponse(response interface{}) []byte {
-	var bytesBuffer bytes.Buffer
-	encoder := xml.NewEncoder(&bytesBuffer)
-	encoder.Encode(response)
-	return bytesBuffer.Bytes()
-}
-
-// errorCodeError provides errorCode to Error. It returns empty if the code provided is unknown
-func getErrorCode(code int) Error {
-	return errorCodeResponse[code]
-}
-
-// getErrorResponse gets in standard error and resource value and
-// provides a encodable populated response values
-func getErrorResponse(err Error, resource string) ErrorResponse {
-	var data = ErrorResponse{}
-	data.Code = err.Code
-	data.Message = err.Description
-	if resource != "" {
-		data.Resource = resource
-	}
-	// TODO implement this in future
-	data.RequestID = "3L137"
-	data.HostID = "3L137"
-
-	return data
-}

pkg/api/quota/quota_handler.go

@@ -1,96 +0,0 @@
-/*
- * 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 quota
-
-import (
-	"encoding/binary"
-	"net"
-	"sync"
-	"time"
-)
-
-// map[minute][address] = current quota
-type quotaMap struct {
-	sync.RWMutex
-	data        map[int64]map[uint32]int64
-	limit       int64
-	duration    time.Duration
-	segmentSize time.Duration
-}
-
-func (q *quotaMap) CanExpire() {
-	q.Lock()
-	defer q.Unlock()
-	currentMinute := time.Now().UTC().UnixNano() / q.segmentSize.Nanoseconds()
-	// divide by segmentSize, otherwise expiredQuotas will always be negative
-	expiredQuotas := currentMinute - (q.duration.Nanoseconds() / q.segmentSize.Nanoseconds())
-	for time := range q.data {
-		if time < expiredQuotas {
-			delete(q.data, time)
-		}
-	}
-}
-
-func (q *quotaMap) Add(ip uint32, size int64) {
-	q.CanExpire()
-	q.Lock()
-	defer q.Unlock()
-	currentMinute := time.Now().UTC().UnixNano() / q.segmentSize.Nanoseconds()
-	if _, ok := q.data[currentMinute]; !ok {
-		q.data[currentMinute] = make(map[uint32]int64)
-	}
-	currentData, _ := q.data[currentMinute][ip]
-	proposedDataSize := currentData + size
-	q.data[currentMinute][ip] = proposedDataSize
-}
-
-func (q *quotaMap) IsQuotaMet(ip uint32) bool {
-	q.CanExpire()
-	if q.GetQuotaUsed(ip) >= q.limit {
-		return true
-	}
-	return false
-}
-
-func (q *quotaMap) GetQuotaUsed(ip uint32) (total int64) {
-	q.CanExpire()
-	q.RLock()
-	defer q.RUnlock()
-	for _, segment := range q.data {
-		if used, ok := segment[ip]; ok {
-			total += used
-		}
-	}
-	return
-}
-
-func (q *quotaMap) WillExceedQuota(ip uint32, size int64) (result bool) {
-	return q.GetQuotaUsed(ip)+size > q.limit
-}
-
-type longIP struct {
-	net.IP
-}
-
-// []byte to uint32 representation
-func (p longIP) IptoUint32() (result uint32) {
-	ip := p.To4()
-	if ip == nil {
-		return 0
-	}
-	return binary.BigEndian.Uint32(ip)
-}

pkg/api/quota/request_limit.go

@@ -1,65 +0,0 @@
-/*
- * 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 quota
-
-import (
-	"encoding/binary"
-	"net"
-	"net/http"
-	"time"
-
-	"github.com/minio/minio/pkg/utils/log"
-)
-
-// requestLimitHandler
-type requestLimitHandler struct {
-	handler http.Handler
-	quotas  *quotaMap
-}
-
-//convert a uint32 to an ipv4
-func uint32ToIP(ip uint32) net.IP {
-	addr := net.IP{0, 0, 0, 0}
-	binary.BigEndian.PutUint32(addr, ip)
-	return addr
-}
-
-// ServeHTTP is an http.Handler ServeHTTP method
-func (h *requestLimitHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
-	host, _, _ := net.SplitHostPort(req.RemoteAddr)
-	longIP := longIP{net.ParseIP(host)}.IptoUint32()
-	if h.quotas.IsQuotaMet(longIP) {
-		hosts, _ := net.LookupAddr(uint32ToIP(longIP).String())
-		log.Debug.Printf("Offending Host: %s, RequestUSED: %d\n", hosts, h.quotas.GetQuotaUsed(longIP))
-		writeErrorResponse(w, req, SlowDown, req.URL.Path)
-	}
-	h.quotas.Add(longIP, 1)
-	h.handler.ServeHTTP(w, req)
-}
-
-// RequestLimit sets a quote based upon number of requests allowed over a time period
-func RequestLimit(h http.Handler, limit int64, duration time.Duration) http.Handler {
-	return &requestLimitHandler{
-		handler: h,
-		quotas: &quotaMap{
-			data:        make(map[int64]map[uint32]int64),
-			limit:       int64(limit),
-			duration:    duration,
-			segmentSize: segmentSize(duration),
-		},
-	}
-}

pkg/api/server.go

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package httpserver
+package api
 
 import (
 	"fmt"
@@ -32,38 +32,27 @@ type Config struct {
 	RateLimit int
 }
 
-// Server - http server related
-type Server struct {
-	config  Config
-	handler http.Handler
-}
-
 // Start http server
-func Start(handler http.Handler, config Config) (chan<- string, <-chan error, Server) {
-	ctrlChannel := make(chan string)
-	errorChannel := make(chan error)
-	server := Server{
-		config:  config,
-		handler: handler,
-	}
-	go start(ctrlChannel, errorChannel, server)
-	return ctrlChannel, errorChannel, server
+func Start(a API) <-chan error {
+	errCh := make(chan error)
+	go start(errCh, a)
+	return errCh
 }
 
-func start(ctrlChannel <-chan string, errorChannel chan<- error, server Server) {
-	defer close(errorChannel)
+func start(errCh chan error, a API) {
+	defer close(errCh)
 
 	var err error
 	// Minio server config
 	httpServer := &http.Server{
-		Addr:           server.config.Address,
-		Handler:        server.handler,
+		Addr:           a.config.Address,
+		Handler:        a.handler,
 		MaxHeaderBytes: 1 << 20,
 	}
 
-	host, port, err := net.SplitHostPort(server.config.Address)
+	host, port, err := net.SplitHostPort(a.config.Address)
 	if err != nil {
-		errorChannel <- err
+		errCh <- err
 		return
 	}
 
@@ -74,7 +63,7 @@ func start(ctrlChannel <-chan string, errorChannel chan<- error, server Server)
 	default:
 		addrs, err := net.InterfaceAddrs()
 		if err != nil {
-			errorChannel <- err
+			errCh <- err
 			return
 		}
 		for _, addr := range addrs {
@@ -92,14 +81,31 @@ func start(ctrlChannel <-chan string, errorChannel chan<- error, server Server)
 			fmt.Printf("Starting minio server on: http://%s:%s\n", host, port)
 		}
 		err = httpServer.ListenAndServe()
-	case server.config.TLS == true:
+	case a.config.TLS == true:
 		for _, host := range hosts {
 			fmt.Printf("Starting minio server on: https://%s:%s\n", host, port)
 		}
-		err = httpServer.ListenAndServeTLS(server.config.CertFile, server.config.KeyFile)
+		err = httpServer.ListenAndServeTLS(a.config.CertFile, a.config.KeyFile)
 	}
 	if err != nil {
-		errorChannel <- err
+		errCh <- err
 	}
+	errCh <- nil
+	return
+}
 
+// API is used to build api server
+type API struct {
+	config  Config
+	handler http.Handler
+}
+
+// StartServer APIFactory builds api server
+func StartServer(conf Config) error {
+	for err := range Start(New(conf)) {
+		if err != nil {
+			return err
+		}
+	}
+	return nil
 }

pkg/server/server.go

@@ -1,129 +0,0 @@
-/*
- * Minimalist Object Storage, (C) 2014 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 server
-
-import (
-	"errors"
-	"fmt"
-	"reflect"
-	"time"
-
-	"github.com/minio/minio/pkg/api"
-	"github.com/minio/minio/pkg/api/web"
-	"github.com/minio/minio/pkg/iodine"
-	"github.com/minio/minio/pkg/server/httpserver"
-	"github.com/minio/minio/pkg/storage/drivers"
-	"github.com/minio/minio/pkg/storage/drivers/cache"
-	"github.com/minio/minio/pkg/storage/drivers/donut"
-	"github.com/minio/minio/pkg/utils/log"
-)
-
-// WebFactory is used to build web cli server
-type WebFactory struct {
-	httpserver.Config
-}
-
-// GetStartServerFunc builds web cli server
-func (f WebFactory) GetStartServerFunc() StartServerFunc {
-	return func() (chan<- string, <-chan error) {
-		ctrl, status, _ := httpserver.Start(web.HTTPHandler(), f.Config)
-		return ctrl, status
-	}
-}
-
-// Factory is used to build api server
-type Factory struct {
-	httpserver.Config
-	Paths      []string
-	MaxMemory  uint64
-	Expiration time.Duration
-}
-
-// GetStartServerFunc Factory builds api server
-func (f Factory) GetStartServerFunc() StartServerFunc {
-	return func() (chan<- string, <-chan error) {
-		conf := api.Config{RateLimit: f.RateLimit}
-		var driver drivers.Driver
-		var err error
-		if len(f.Paths) != 0 {
-			driver, err = donut.NewDriver(f.Paths)
-			if err != nil {
-				log.Fatalln(err)
-			}
-			driver, err = cache.NewDriver(f.MaxMemory, f.Expiration, driver)
-			if err != nil {
-				log.Fatalln(err)
-			}
-		}
-		conf.SetDriver(driver)
-		ctrl, status, _ := httpserver.Start(api.HTTPHandler(conf), f.Config)
-		return ctrl, status
-	}
-}
-
-// StartServerFunc describes a function that can be used to start a server with StartMinio
-type StartServerFunc func() (chan<- string, <-chan error)
-
-// StartMinio starts minio server
-func StartMinio(servers []StartServerFunc) {
-	var ctrlChannels []chan<- string
-	var errChannels []<-chan error
-	for _, server := range servers {
-		ctrlChannel, errChannel := server()
-		ctrlChannels = append(ctrlChannels, ctrlChannel)
-		errChannels = append(errChannels, errChannel)
-	}
-	cases := createSelectCases(errChannels)
-	for len(cases) > 0 {
-		chosen, value, recvOk := reflect.Select(cases)
-		switch recvOk {
-		case true:
-			// Status Message Received
-			switch true {
-			case value.Interface() != nil:
-				// For any error received cleanup all existing channels and fail
-				for _, ch := range ctrlChannels {
-					close(ch)
-				}
-				msg := fmt.Sprintf("%q", value.Interface())
-				log.Fatal(iodine.New(errors.New(msg), nil))
-			}
-		case false:
-			// Channel closed, remove from list
-			var aliveStatusChans []<-chan error
-			for i, ch := range errChannels {
-				if i != chosen {
-					aliveStatusChans = append(aliveStatusChans, ch)
-				}
-			}
-			// create new select cases without defunct channel
-			errChannels = aliveStatusChans
-			cases = createSelectCases(errChannels)
-		}
-	}
-}
-
-func createSelectCases(channels []<-chan error) []reflect.SelectCase {
-	cases := make([]reflect.SelectCase, len(channels))
-	for i, ch := range channels {
-		cases[i] = reflect.SelectCase{
-			Dir:  reflect.SelectRecv,
-			Chan: reflect.ValueOf(ch),
-		}
-	}
-	return cases
-}