1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
#region Copyright notice and license
// Copyright 2015, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#endregion
using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Runtime.InteropServices;
using System.Text;
namespace Grpc.Core
{
/// <summary>
/// gRPC call metadata.
/// </summary>
public class Metadata
{
public static readonly Metadata Empty = new Metadata(ImmutableList<MetadataEntry>.Empty);
readonly ImmutableList<MetadataEntry> entries;
public Metadata(ImmutableList<MetadataEntry> entries)
{
this.entries = entries;
}
public ImmutableList<MetadataEntry> Entries
{
get
{
return this.entries;
}
}
public static Builder CreateBuilder()
{
return new Builder();
}
public struct MetadataEntry
{
readonly string key;
readonly byte[] valueBytes;
public MetadataEntry(string key, byte[] valueBytes)
{
this.key = key;
this.valueBytes = valueBytes;
}
public MetadataEntry(string key, string value)
{
this.key = key;
this.valueBytes = Encoding.ASCII.GetBytes(value);
}
public string Key
{
get
{
return this.key;
}
}
// TODO: using ByteString would guarantee immutability.
public byte[] ValueBytes
{
get
{
return this.valueBytes;
}
}
}
public class Builder
{
readonly List<Metadata.MetadataEntry> entries = new List<Metadata.MetadataEntry>();
public List<MetadataEntry> Entries
{
get
{
return entries;
}
}
public Builder Add(MetadataEntry entry)
{
entries.Add(entry);
return this;
}
public Metadata Build()
{
return new Metadata(entries.ToImmutableList());
}
}
}
}
|
