-
Notifications
You must be signed in to change notification settings - Fork 1.2k
/
TraceSourceSdamEventSubscriber.cs
158 lines (133 loc) · 6.65 KB
/
TraceSourceSdamEventSubscriber.cs
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
/* Copyright 2018–present MongoDB Inc.
*
* Licensed 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;
using System.Diagnostics;
using System.Reflection;
using MongoDB.Driver.Core.Misc;
namespace MongoDB.Driver.Core.Events.Diagnostics
{
/// <summary>
/// An event subscriber that writes SDAM events to a trace source.
/// </summary>
public sealed class TraceSourceSdamEventSubscriber : IEventSubscriber
{
private readonly TraceSource _traceSource;
private readonly ReflectionEventSubscriber _subscriber;
/// <summary>
/// Initializes a new instance of the <see cref="TraceSourceSdamEventSubscriber"/> class.
/// </summary>
/// <param name="traceSource">The trace source.</param>
public TraceSourceSdamEventSubscriber(TraceSource traceSource)
{
_traceSource = Ensure.IsNotNull(traceSource, nameof(traceSource));
_subscriber = new ReflectionEventSubscriber(this, bindingFlags: BindingFlags.Instance | BindingFlags.NonPublic);
}
/// <inheritdoc />
public bool TryGetEventHandler<TEvent>(out Action<TEvent> handler)
{
return _subscriber.TryGetEventHandler(out handler);
}
// Clusters
private void Handle(ClusterOpeningEvent @event)
{
Info(TraceSourceEventHelper.ClusterIdBase, "{0}: opening.", TraceSourceEventHelper.Label(@event.ClusterId));
}
private void Handle(ClusterOpenedEvent @event)
{
Debug(TraceSourceEventHelper.ClusterIdBase + 1, "{0}: opened in {1}ms.", TraceSourceEventHelper.Label(@event.ClusterId), @event.Duration.TotalMilliseconds);
}
private void Handle(ClusterClosingEvent @event)
{
Debug(TraceSourceEventHelper.ClusterIdBase + 2, "{0}: closing.", TraceSourceEventHelper.Label(@event.ClusterId));
}
private void Handle(ClusterClosedEvent @event)
{
Info(TraceSourceEventHelper.ClusterIdBase + 3, "{0}: closed in {1}ms.", TraceSourceEventHelper.Label(@event.ClusterId), @event.Duration.TotalMilliseconds);
}
private void Handle(ClusterAddingServerEvent @event)
{
Info(TraceSourceEventHelper.ClusterIdBase + 4, "{0}: adding server at endpoint {1}.", TraceSourceEventHelper.Label(@event.ClusterId), TraceSourceEventHelper.Format(@event.EndPoint));
}
private void Handle(ClusterAddedServerEvent @event)
{
Debug(TraceSourceEventHelper.ClusterIdBase + 5, "{0}: added server {1} in {2}ms.", TraceSourceEventHelper.Label(@event.ServerId.ClusterId), TraceSourceEventHelper.Format(@event.ServerId), @event.Duration.TotalMilliseconds);
}
private void Handle(ClusterRemovingServerEvent @event)
{
Debug(TraceSourceEventHelper.ClusterIdBase + 6, "{0}: removing server {1}. Reason: {2}", TraceSourceEventHelper.Label(@event.ServerId.ClusterId), TraceSourceEventHelper.Format(@event.ServerId), @event.Reason);
}
private void Handle(ClusterRemovedServerEvent @event)
{
Info(TraceSourceEventHelper.ClusterIdBase + 7, "{0}: removed server {1} in {2}ms. Reason: {3}", TraceSourceEventHelper.Label(@event.ServerId.ClusterId), TraceSourceEventHelper.Format(@event.ServerId), @event.Duration.TotalMilliseconds, @event.Reason);
}
private void Handle(ClusterDescriptionChangedEvent @event)
{
Info(TraceSourceEventHelper.ClusterIdBase + 8, "{0}: {1}", TraceSourceEventHelper.Label(@event.OldDescription.ClusterId), @event.NewDescription);
}
private void Handle(SdamInformationEvent @event)
{
Info(TraceSourceEventHelper.ClusterIdBase + 9, "{0}", @event);
}
// Servers
private void Handle(ServerOpeningEvent @event)
{
Info(TraceSourceEventHelper.ServerIdBase, "{0}: opening.", TraceSourceEventHelper.Label(@event.ServerId));
}
private void Handle(ServerOpenedEvent @event)
{
Debug(TraceSourceEventHelper.ServerIdBase + 1, "{0}: opened in {1}ms.", TraceSourceEventHelper.Label(@event.ServerId), @event.Duration.TotalMilliseconds);
}
private void Handle(ServerClosingEvent @event)
{
Debug(TraceSourceEventHelper.ServerIdBase + 2, "{0}: closing.", TraceSourceEventHelper.Label(@event.ServerId));
}
private void Handle(ServerClosedEvent @event)
{
Info(TraceSourceEventHelper.ServerIdBase + 3, "{0}: closed in {1}ms.", TraceSourceEventHelper.Label(@event.ServerId), @event.Duration.TotalMilliseconds);
}
private void Handle(ServerHeartbeatStartedEvent @event)
{
Debug(TraceSourceEventHelper.ServerIdBase + 4, "{0}: sending heartbeat.", TraceSourceEventHelper.Label(@event.ConnectionId));
}
private void Handle(ServerHeartbeatSucceededEvent @event)
{
Debug(TraceSourceEventHelper.ServerIdBase + 5, "{0}: sent heartbeat in {1}ms.", TraceSourceEventHelper.Label(@event.ConnectionId), @event.Duration.TotalMilliseconds);
}
private void Handle(ServerHeartbeatFailedEvent @event)
{
Error(TraceSourceEventHelper.ServerIdBase + 6, @event.Exception, "{0}: error sending heartbeat.", TraceSourceEventHelper.Label(@event.ConnectionId));
}
private void Handle(ServerDescriptionChangedEvent @event)
{
Debug(TraceSourceEventHelper.ServerIdBase + 7, "{0}: {1}", TraceSourceEventHelper.Label(@event.OldDescription.ServerId), @event.NewDescription);
}
private void Debug(int id, string message, params object[] args)
{
_traceSource.TraceEvent(TraceEventType.Verbose, id, message, args);
}
private void Info(int id, string message, params object[] args)
{
_traceSource.TraceEvent(TraceEventType.Information, id, message, args);
}
private void Error(int id, Exception ex, string message, params object[] args)
{
_traceSource.TraceEvent(
TraceEventType.Error,
id,
message + Environment.NewLine + ex.ToString(),
args);
}
}
}