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
|
// Copyright (c) ZeroC, Inc. All rights reserved.
using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
namespace ZeroC.Ice
{
// This partial interface extends the IAsyncPropertieAdmin interface generated from the Slice interface
// PropertiesAdmin.
public partial interface IAsyncPropertiesAdmin
{
/// <summary>The Updated event is triggered when the communicator's properties are updated through a remote call
/// to the setProperties operation implemented by this Properties admin facet. The event's args include only the
/// communicator properties that were updated by this remote call.</summary>
public abstract event EventHandler<IReadOnlyDictionary<string, string>>? Updated;
}
// Default implementation of the Properties Admin facet.
internal sealed class PropertiesAdmin : IAsyncPropertiesAdmin
{
public event EventHandler<IReadOnlyDictionary<string, string>>? Updated;
private const string TraceCategory = "Ice.Admin.Properties";
private readonly Communicator _communicator;
private readonly ILogger _logger;
public ValueTask<string> GetPropertyAsync(string key, Current current, CancellationToken cancel) =>
new(_communicator.GetProperty(key) ?? "");
public ValueTask<IReadOnlyDictionary<string, string>> GetPropertiesForPrefixAsync(
string prefix,
Current current,
CancellationToken cancel) =>
new(_communicator.GetProperties(forPrefix: prefix));
public ValueTask SetPropertiesAsync(
Dictionary<string, string> newProperties,
Current current,
CancellationToken cancel)
{
int? traceLevel = _communicator.GetPropertyAsInt("Ice.Trace.Admin.Properties");
// Update the communicator's properties and remove the properties that did not change from props.
_communicator.SetProperties(newProperties);
if (traceLevel > 0 && newProperties.Count > 0)
{
var message = new System.Text.StringBuilder("Summary of property changes");
message.Append("\nNew or updated properties:");
foreach (KeyValuePair<string, string> e in newProperties)
{
if (e.Value.Length > 0)
{
message.Append("\n ");
message.Append(e.Key);
if (traceLevel > 1)
{
message.Append(" = ");
message.Append(e.Value);
}
}
}
message.Append("\nRemoved properties:");
foreach (KeyValuePair<string, string> e in newProperties)
{
if (e.Value.Length == 0)
{
message.Append("\n ");
message.Append(e.Key);
}
}
_logger.Trace(TraceCategory, message.ToString());
}
Updated?.Invoke(_communicator, newProperties);
return default;
}
internal PropertiesAdmin(Communicator communicator)
{
_communicator = communicator;
_logger = communicator.Logger;
}
}
}
|
