forked from Astn/JSON-RPC.NET
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathJsonRpcProcessor.cs
More file actions
193 lines (177 loc) · 7.42 KB
/
JsonRpcProcessor.cs
File metadata and controls
193 lines (177 loc) · 7.42 KB
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
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
using System;
using System.Globalization;
using System.Threading;
using System.Threading.Tasks;
using System.Reflection;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Newtonsoft.Json;
namespace AustinHarris.JsonRpc
{
public static class JsonRpcProcessor
{
public static void Process(JsonRpcStateAsync async, object context = null)
{
Process(Handler.DefaultSessionId(), async, context);
}
public static void Process(string sessionId, JsonRpcStateAsync async, object context = null)
{
Process(sessionId, async.JsonRpc, context)
.ContinueWith(t =>
{
async.Result = t.Result;
async.SetCompleted();
});
}
public static Task<string> Process(string jsonRpc, object context = null)
{
return Process(Handler.DefaultSessionId(), jsonRpc, context);
}
public static Task<string> Process(string sessionId, string jsonRpc, object context = null)
{
return Task<string>.Factory.StartNew((_) =>
{
var tuple = (Tuple<string, string, object>)_;
return ProcessInternal(tuple.Item1, tuple.Item2, tuple.Item3);
}, new Tuple<string, string, object>(sessionId, jsonRpc, context));
}
private static string ProcessInternal(string sessionId, string jsonRpc, object jsonRpcContext)
{
var handler = Handler.GetSessionHandler(sessionId);
JsonRequest[] batch = null;
try
{
if (isSingleRpc(jsonRpc))
{
var foo = JsonConvert.DeserializeObject<JsonRequest>(jsonRpc);
batch = new[] { foo };
}
else
{
batch = JsonConvert.DeserializeObject<JsonRequest[]>(jsonRpc);
}
}
catch (Exception ex)
{
return Newtonsoft.Json.JsonConvert.SerializeObject(new JsonResponse
{
Error = handler.ProcessParseException(jsonRpc, new JsonRpcException(-32700, "Parse error", ex))
});
}
if (batch.Length == 0)
{
return Newtonsoft.Json.JsonConvert.SerializeObject(new JsonResponse
{
Error = handler.ProcessParseException(jsonRpc,
new JsonRpcException(3200, "Invalid Request", "Batch of calls was empty."))
});
}
var singleBatch = batch.Length == 1;
StringBuilder sbResult = null;
for (var i = 0; i < batch.Length; i++)
{
var jsonRequest = batch[i];
var jsonResponse = new JsonResponse();
if (jsonRequest == null)
{
jsonResponse.Error = handler.ProcessParseException(jsonRpc,
new JsonRpcException(-32700, "Parse error",
"Invalid JSON was received by the server. An error occurred on the server while parsing the JSON text."));
}
else if (jsonRequest.Method == null)
{
jsonResponse.Error = handler.ProcessParseException(jsonRpc,
new JsonRpcException(-32600, "Invalid Request", "Missing property 'method'"));
}
else if (!isSimpleValueType(jsonRequest.Id))
{
jsonResponse.Error = handler.ProcessParseException(jsonRpc,
new JsonRpcException(-32600, "Invalid Request", "Id property must be either null or string or integer."));
}
else
{
jsonResponse.Id = jsonRequest.Id;
var data = handler.Handle(jsonRequest, jsonRpcContext);
if (data == null) continue;
jsonResponse.JsonRpc = data.JsonRpc;
jsonResponse.Error = data.Error;
jsonResponse.Result = data.Result;
}
if (jsonResponse.Result == null && jsonResponse.Error == null)
{
// Per json rpc 2.0 spec
// result : This member is REQUIRED on success.
// This member MUST NOT exist if there was an error invoking the method.
// Either the result member or error member MUST be included, but both members MUST NOT be included.
jsonResponse.Result = new Newtonsoft.Json.Linq.JValue((Object)null);
}
// special case optimization for single Item batch
if (singleBatch && (jsonResponse.Id != null || jsonResponse.Error != null))
{
StringWriter sw = new StringWriter();
JsonTextWriter writer = new JsonTextWriter(sw);
writer.WriteStartObject();
if (!string.IsNullOrEmpty(jsonResponse.JsonRpc))
{
writer.WritePropertyName("jsonrpc"); writer.WriteValue(jsonResponse.JsonRpc);
}
if (jsonResponse.Error != null)
{
writer.WritePropertyName("error"); writer.WriteRawValue(JsonConvert.SerializeObject(jsonResponse.Error));
}
else
{
writer.WritePropertyName("result"); writer.WriteRawValue(JsonConvert.SerializeObject(jsonResponse.Result));
}
writer.WritePropertyName("id"); writer.WriteValue(jsonResponse.Id);
writer.WriteEndObject();
return sw.ToString();
//return JsonConvert.SerializeObject(jsonResponse);
}
else if (jsonResponse.Id == null && jsonResponse.Error == null)
{
// do nothing
sbResult = new StringBuilder(0);
}
else
{
// write out the response
if (i == 0)
{
sbResult = new StringBuilder("[");
}
sbResult.Append(JsonConvert.SerializeObject(jsonResponse));
if (i < batch.Length - 1)
{
sbResult.Append(',');
}
else if (i == batch.Length - 1)
{
sbResult.Append(']');
}
}
}
return sbResult.ToString();
}
private static bool isSingleRpc(string json)
{
for (int i = 0; i < json.Length; i++)
{
if (json[i] == '{') return true;
else if (json[i] == '[') return false;
}
return true;
}
private static bool isSimpleValueType(object property)
{
if (property == null)
return true;
return property.GetType() == typeof(System.String) ||
property.GetType() == typeof(System.Int64) ||
property.GetType() == typeof(System.Int32) ||
property.GetType() == typeof(System.Int16);
}
}
}