github.com/slspeek/camlistore_namedsearch@v0.0.0-20140519202248-ed6f70f7721a/pkg/blobserver/protocol/protocol.go (about)

     1  /*
     2  Copyright 2014 The Camlistore Authors
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8       http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  // Package protocol contains types for Camlistore protocol types.
    18  package protocol
    19  
    20  import (
    21  	"encoding/json"
    22  
    23  	"camlistore.org/pkg/blob"
    24  )
    25  
    26  type RefAndSize struct {
    27  	Ref  blob.Ref `json:"blobRef"`
    28  	Size uint32   `json:"size"`
    29  }
    30  
    31  // StatResponse is the JSON document returned from the blob batch stat
    32  // handler.
    33  //
    34  // See doc/protocol/blob-stat-protocol.txt.
    35  type StatResponse struct {
    36  	Stat        []*RefAndSize `json:"stat"`
    37  	CanLongPoll bool          `json:"canLongPoll"` // TODO: move this to discovery?
    38  }
    39  
    40  func (p *StatResponse) MarshalJSON() ([]byte, error) {
    41  	v := *p
    42  	if v.Stat == nil {
    43  		v.Stat = []*RefAndSize{}
    44  	}
    45  	return json.Marshal(v)
    46  }
    47  
    48  // UploadResponse is the JSON document returned from the blob batch
    49  // upload handler.
    50  //
    51  // See doc/protocol/blob-upload-protocol.txt.
    52  type UploadResponse struct {
    53  	Received  []*RefAndSize `json:"received"`
    54  	ErrorText string        `json:"errortext,omitempty"`
    55  }
    56  
    57  func (p *UploadResponse) MarshalJSON() ([]byte, error) {
    58  	v := *p
    59  	if v.Received == nil {
    60  		v.Received = []*RefAndSize{}
    61  	}
    62  	return json.Marshal(v)
    63  }