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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
// Licensed to the Apache Software Foundation(ASF) under one
// or more contributor license agreements.See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.The ASF licenses this file
// to you 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.
using System.Threading;
using System.Threading.Tasks;
using Thrift.Protocols;
using Thrift.Protocols.Entities;
using Thrift.Protocols.Utilities;
namespace Thrift
{
// ReSharper disable once InconsistentNaming
public class TApplicationException : TException
{
public enum ExceptionType
{
Unknown,
UnknownMethod,
InvalidMessageType,
WrongMethodName,
BadSequenceId,
MissingResult,
InternalError,
ProtocolError,
InvalidTransform,
InvalidProtocol,
UnsupportedClientType
}
private const int MessageTypeFieldId = 1;
private const int ExTypeFieldId = 2;
protected ExceptionType Type;
public TApplicationException()
{
}
public TApplicationException(ExceptionType type)
{
Type = type;
}
public TApplicationException(ExceptionType type, string message)
: base(message)
{
Type = type;
}
public static async Task<TApplicationException> ReadAsync(TProtocol inputProtocol, CancellationToken cancellationToken)
{
string message = null;
var type = ExceptionType.Unknown;
await inputProtocol.ReadStructBeginAsync(cancellationToken);
while (true)
{
var field = await inputProtocol.ReadFieldBeginAsync(cancellationToken);
if (field.Type == TType.Stop)
{
break;
}
switch (field.ID)
{
case MessageTypeFieldId:
if (field.Type == TType.String)
{
message = await inputProtocol.ReadStringAsync(cancellationToken);
}
else
{
await TProtocolUtil.SkipAsync(inputProtocol, field.Type, cancellationToken);
}
break;
case ExTypeFieldId:
if (field.Type == TType.I32)
{
type = (ExceptionType) await inputProtocol.ReadI32Async(cancellationToken);
}
else
{
await TProtocolUtil.SkipAsync(inputProtocol, field.Type, cancellationToken);
}
break;
default:
await TProtocolUtil.SkipAsync(inputProtocol, field.Type, cancellationToken);
break;
}
await inputProtocol.ReadFieldEndAsync(cancellationToken);
}
await inputProtocol.ReadStructEndAsync(cancellationToken);
return new TApplicationException(type, message);
}
public async Task WriteAsync(TProtocol outputProtocol, CancellationToken cancellationToken)
{
if (cancellationToken.IsCancellationRequested)
{
await Task.FromCanceled(cancellationToken);
}
const string messageTypeFieldName = "message";
const string exTypeFieldName = "exType";
const string structApplicationExceptionName = "TApplicationException";
var struc = new TStruct(structApplicationExceptionName);
var field = new TField();
await outputProtocol.WriteStructBeginAsync(struc, cancellationToken);
if (!string.IsNullOrEmpty(Message))
{
field.Name = messageTypeFieldName;
field.Type = TType.String;
field.ID = MessageTypeFieldId;
await outputProtocol.WriteFieldBeginAsync(field, cancellationToken);
await outputProtocol.WriteStringAsync(Message, cancellationToken);
await outputProtocol.WriteFieldEndAsync(cancellationToken);
}
field.Name = exTypeFieldName;
field.Type = TType.I32;
field.ID = ExTypeFieldId;
await outputProtocol.WriteFieldBeginAsync(field, cancellationToken);
await outputProtocol.WriteI32Async((int) Type, cancellationToken);
await outputProtocol.WriteFieldEndAsync(cancellationToken);
await outputProtocol.WriteFieldStopAsync(cancellationToken);
await outputProtocol.WriteStructEndAsync(cancellationToken);
}
}
}
|