blob: 7941d3cb700b5465fe5dcbaace1f2295283cb646 (
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
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
|
// **********************************************************************
//
// Copyright (c) 2003-2014 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.
//
// **********************************************************************
package IceInternal;
public final class ConnectionMonitor implements IceInternal.TimerTask
{
//
// Renamed from destroy to _destroy to avoid a deprecation warning caused
// by the destroy method inherited from Thread.
//
synchronized public void
destroy()
{
assert(_instance != null);
_instance = null;
_connections = null;
}
public void
checkIntervalForACM(int acmTimeout)
{
if(acmTimeout <= 0)
{
return;
}
//
// If Ice.MonitorConnections isn't set (_interval == 0), the given ACM is used
// to determine the check interval: 1/10 of the ACM timeout with a minmal value
// of 5 seconds and a maximum value of 5 minutes.
//
// Note: if Ice.MonitorConnections is set, the timer is schedulded only if ACM
// is configured for the communicator or some object adapters.
//
int interval;
if(_interval == 0)
{
interval = java.lang.Math.min(300, java.lang.Math.max(5, (int)acmTimeout / 10));
}
else if(_scheduledInterval == _interval)
{
return; // Nothing to do, the timer is already scheduled.
}
else
{
interval = _interval;
}
//
// If no timer is scheduled yet or if the given ACM requires a smaller interval,
// we re-schedule the timer.
//
synchronized(this)
{
if(_scheduledInterval == 0 || _scheduledInterval > interval)
{
_scheduledInterval = interval;
_instance.timer().cancel(this);
_instance.timer().scheduleRepeated(this, interval * 1000);
}
}
}
public synchronized void
add(Ice.ConnectionI connection)
{
assert(_instance != null);
_connections.add(connection);
}
public synchronized void
remove(Ice.ConnectionI connection)
{
assert(_instance != null);
_connections.remove(connection);
}
//
// Only for use by Instance.
//
ConnectionMonitor(Instance instance, int interval)
{
_instance = instance;
_interval = interval;
_scheduledInterval = 0;
}
protected synchronized void
finalize()
throws Throwable
{
try
{
IceUtilInternal.Assert.FinalizerAssert(_instance == null);
IceUtilInternal.Assert.FinalizerAssert(_connections == null);
}
catch(java.lang.Exception ex)
{
}
finally
{
super.finalize();
}
}
public void
runTimerTask()
{
java.util.Set<Ice.ConnectionI> connections = new java.util.HashSet<Ice.ConnectionI>();
synchronized(this)
{
if(_instance == null)
{
return;
}
connections.clear();
connections.addAll(_connections);
}
//
// Monitor connections outside the thread synchronization,
// so that connections can be added or removed during
// monitoring.
//
long now = IceInternal.Time.currentMonotonicTimeMillis();
for(Ice.ConnectionI conn : connections)
{
try
{
conn.monitor(now);
}
catch(java.lang.Exception ex)
{
synchronized(this)
{
if(_instance == null)
{
return;
}
String s = "exception in connection monitor:\n" + Ex.toString(ex);
_instance.initializationData().logger.error(s);
}
}
}
}
private Instance _instance;
private final int _interval;
private int _scheduledInterval;
private java.util.Set<Ice.ConnectionI> _connections = new java.util.HashSet<Ice.ConnectionI>();
}
|
