docs: Add comments for each data types. (#1881)

master
Harshavardhana 9 years ago
parent 6f3bd76754
commit 71632b375e
  1. 202
      object-datatypes.go
  2. 65
      rpc-server-datatypes.go
  3. 30
      storage-datatypes.go

@ -20,96 +20,202 @@ import "time"
// StorageInfo - represents total capacity of underlying storage.
type StorageInfo struct {
Total int64 // Total disk space.
Free int64 // Free total available disk space.
// Total disk space.
Total int64
// Free available disk space.
Free int64
}
// BucketInfo - bucket name and create date
// BucketInfo - represents bucket metadata.
type BucketInfo struct {
Name string
// Name of the bucket.
Name string
// Date and time when the bucket was created.
Created time.Time
}
// ObjectInfo - object info.
// ObjectInfo - represents object metadata.
type ObjectInfo struct {
Bucket string
Name string
ModTime time.Time
Size int64
IsDir bool
MD5Sum string
ContentType string
// Name of the bucket.
Bucket string
// Name of the object.
Name string
// Date and time when the object was last modified.
ModTime time.Time
// Total object size.
Size int64
// IsDir indicates if the object is prefix.
IsDir bool
// Hex encoded md5 checksum of the object.
MD5Sum string
// A standard MIME type describing the format of the object.
ContentType string
// Specifies what content encodings have been applied to the object and thus
// what decoding mechanisms must be applied to obtain the object referenced
// by the Content-Type header field.
ContentEncoding string
}
// ListPartsInfo - various types of object resources.
// ListPartsInfo - represents list of all parts.
type ListPartsInfo struct {
Bucket string
Object string
UploadID string
StorageClass string
PartNumberMarker int
// Name of the bucket.
Bucket string
// Name of the object.
Object string
// Upload ID identifying the multipart upload whose parts are being listed.
UploadID string
// The class of storage used to store the object.
StorageClass string
// Part number after which listing begins.
PartNumberMarker int
// When a list is truncated, this element specifies the last part in the list,
// as well as the value to use for the part-number-marker request parameter
// in a subsequent request.
NextPartNumberMarker int
MaxParts int
IsTruncated bool
Parts []partInfo
EncodingType string
// Maximum number of parts that were allowed in the response.
MaxParts int
// Indicates whether the returned list of parts is truncated.
IsTruncated bool
// List of all parts.
Parts []partInfo
EncodingType string // Not supported yet.
}
// ListMultipartsInfo - various types of bucket resources for inprogress multipart uploads.
// ListMultipartsInfo - represnets bucket resources for incomplete multipart uploads.
type ListMultipartsInfo struct {
KeyMarker string
UploadIDMarker string
NextKeyMarker string
// Together with upload-id-marker, this parameter specifies the multipart upload
// after which listing should begin.
KeyMarker string
// Together with key-marker, specifies the multipart upload after which listing
// should begin. If key-marker is not specified, the upload-id-marker parameter
// is ignored.
UploadIDMarker string
// When a list is truncated, this element specifies the value that should be
// used for the key-marker request parameter in a subsequent request.
NextKeyMarker string
// When a list is truncated, this element specifies the value that should be
// used for the upload-id-marker request parameter in a subsequent request.
NextUploadIDMarker string
EncodingType string
MaxUploads int
IsTruncated bool
Uploads []uploadMetadata
Prefix string
Delimiter string
CommonPrefixes []string
// Maximum number of multipart uploads that could have been included in the
// response.
MaxUploads int
// Indicates whether the returned list of multipart uploads is truncated. A
// value of true indicates that the list was truncated. The list can be truncated
// if the number of multipart uploads exceeds the limit allowed or specified
// by max uploads.
IsTruncated bool
// List of all pending uploads.
Uploads []uploadMetadata
// When a prefix is provided in the request, The result contains only keys
// starting with the specified prefix.
Prefix string
// A character used to truncate the object prefixes.
// NOTE: only supported delimiter is '/'.
Delimiter string
// CommonPrefixes contains all (if there are any) keys between Prefix and the
// next occurrence of the string specified by delimiter.
CommonPrefixes []string
EncodingType string // Not supported yet.
}
// ListObjectsInfo - container for list objects.
type ListObjectsInfo struct {
// Indicates whether the returned list objects response is truncated. A
// value of true indicates that the list was truncated. The list can be truncated
// if the number of objects exceeds the limit allowed or specified
// by max keys.
IsTruncated bool
NextMarker string
Objects []ObjectInfo
Prefixes []string
// When response is truncated (the IsTruncated element value in the response
// is true), you can use the key name in this field as marker in the subsequent
// request to get next set of objects.
//
// NOTE: This element is returned only if you have delimiter request parameter
// specified.
NextMarker string
// List of objects info for this request.
Objects []ObjectInfo
// List of prefixes for this request.
Prefixes []string
}
// partInfo - various types of individual part resources.
// partInfo - represents individual part metadata.
type partInfo struct {
PartNumber int
// Part number that identifies the part. This is a positive integer between
// 1 and 10,000.
PartNumber int
// Date and time at which the part was uploaded.
LastModified time.Time
ETag string
Size int64
// Entity tag returned when the part was initially uploaded.
ETag string
// Size in bytes of the part.
Size int64
}
// uploadMetadata container capturing metadata on in progress multipart upload in a given bucket
// uploadMetadata - represents metadata in progress multipart upload.
type uploadMetadata struct {
Object string
UploadID string
StorageClass string
Initiated time.Time
// Object name for which the multipart upload was initiated.
Object string
// Unique identifier for this multipart upload.
UploadID string
// Date and time at which the multipart upload was initiated.
Initiated time.Time
StorageClass string // Not supported yet.
}
// completePart - completed part container.
type completePart struct {
// Part number identifying the part. This is a positive integer between 1 and
// 10,000
PartNumber int
ETag string
// Entity tag returned when the part was uploaded.
ETag string
}
// completedParts is a sortable interface for Part slice
// completedParts - is a collection satisfying sort.Interface.
type completedParts []completePart
func (a completedParts) Len() int { return len(a) }
func (a completedParts) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
func (a completedParts) Less(i, j int) bool { return a[i].PartNumber < a[j].PartNumber }
// completeMultipartUpload container for completing multipart upload
// completeMultipartUpload - represents input fields for completing multipart upload.
type completeMultipartUpload struct {
Parts []completePart `xml:"Part"`
}

@ -16,54 +16,83 @@
package main
// GenericReply generic rpc reply.
// GenericReply represents any generic RPC reply.
type GenericReply struct{}
// GenericArgs generic rpc args.
// GenericArgs represents any generic RPC arguments.
type GenericArgs struct{}
// ListVolsReply list vols rpc reply.
// ListVolsReply represents list of vols RPC reply.
type ListVolsReply struct {
// List of volumes stat information.
Vols []VolInfo
}
// ReadFileArgs contains read file arguments.
// ReadFileArgs represents read file RPC arguments.
type ReadFileArgs struct {
Vol string
Path string
// Name of the volume.
Vol string
// Name of the path.
Path string
// Starting offset to start reading into Buffer.
Offset int64
// Data buffer read from the path at offset.
Buffer []byte
}
// AppendFileArgs contains append file arguments.
// AppendFileArgs represents append file RPC arguments.
type AppendFileArgs struct {
Vol string
Path string
// Name of the volume.
Vol string
// Name of the path.
Path string
// Data buffer to be saved at path.
Buffer []byte
}
// StatFileArgs contains stat file arguments.
// StatFileArgs represents stat file RPC arguments.
type StatFileArgs struct {
Vol string
// Name of the volume.
Vol string
// Name of the path.
Path string
}
// DeleteFileArgs contains delete file arguments.
// DeleteFileArgs represents delete file RPC arguments.
type DeleteFileArgs struct {
Vol string
// Name of the volume.
Vol string
// Name of the path.
Path string
}
// ListDirArgs contains list dir arguments.
// ListDirArgs represents list contents RPC arguments.
type ListDirArgs struct {
Vol string
// Name of the volume.
Vol string
// Name of the path.
Path string
}
// RenameFileArgs contains rename file arguments.
// RenameFileArgs represents rename file RPC arguments.
type RenameFileArgs struct {
SrcVol string
// Name of source volume.
SrcVol string
// Source path to be renamed.
SrcPath string
DstVol string
// Name of destination volume.
DstVol string
// Destination path of renamed file.
DstPath string
}

@ -21,18 +21,32 @@ import (
"time"
)
// VolInfo - volume info
// VolInfo - represents volume stat information.
type VolInfo struct {
Name string
// Name of the volume.
Name string
// Date and time when the volume was created.
Created time.Time
}
// FileInfo - file stat information.
// FileInfo - represents file stat information.
type FileInfo struct {
Volume string
Name string
MD5Sum string
// Name of the volume.
Volume string
// Name of the file.
Name string
// Date and time when the file was last modified.
ModTime time.Time
Size int64
Mode os.FileMode
// Total file size.
Size int64
// File mode bits.
Mode os.FileMode
// Hex encoded md5 checksum of the file.
MD5Sum string
}

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