blob: 294e9a9dc99e79523101b11f689bec9ad46aee89 (
plain)
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
|
// **********************************************************************
//
// Copyright (c) 2003-2016 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
using System.Diagnostics;
namespace Ice
{
/// <summary>
/// Base class that allows a server intercept incoming requests.
/// The application must derive a concrete class from DispatchInterceptor
/// that implements the DispatchInterceptor.dispatch operation. An instance of this derived
/// class can be registered with an object adapter like any other servant.
/// A dispatch interceptor is useful particularly to automatically retry requests
/// that have failed due to a recoverable error condition.
/// </summary>
public abstract class DispatchInterceptor : Ice.ObjectImpl
{
/// <summary>
/// Called by the Ice run time to dispatch an incoming request. The implementation
/// of <code>dispatch</code> must dispatch the request to the actual servant.
/// </summary>
/// <param name="request">The details of the incoming request.</param>
/// <returns>For synchronous dispatch, the return value must be whatever is
/// returned ice_dispatch. For asynchronous dispatch, the return
/// value must be DispatchAsync.</returns>
public abstract DispatchStatus
dispatch(Request request);
public override DispatchStatus
dispatch__(IceInternal.Incoming inc, Current current)
{
try
{
DispatchStatus status = dispatch(inc);
if(status != DispatchStatus.DispatchAsync)
{
//
// Make sure 'inc' owns the connection etc.
//
inc.killAsync();
}
return status;
}
catch(ResponseSentException)
{
return DispatchStatus.DispatchAsync;
}
catch(System.Exception)
{
try
{
inc.killAsync();
throw;
}
catch(ResponseSentException)
{
return DispatchStatus.DispatchAsync;
}
}
}
}
}
|
