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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
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3e0e024d
编写于
5月 22, 2022
作者:
如梦技术
🐛
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电子邮件补丁
差异文件
✨
TimingWheel 完善,待添加进业务。
上级
03aed804
变更
2
显示空白变更内容
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并排
Showing
2 changed file
with
124 addition
and
16 deletion
+124
-16
mica-mqtt-core/src/main/java/net/dreamlu/iot/mqtt/core/util/timer/TimingWheelThread.java
...t/dreamlu/iot/mqtt/core/util/timer/TimingWheelThread.java
+107
-0
mica-mqtt-core/src/test/java/net/dreamlu/iot/mqtt/core/timer/SystemTimerTest.java
...java/net/dreamlu/iot/mqtt/core/timer/SystemTimerTest.java
+17
-16
未找到文件。
mica-mqtt-core/src/main/java/net/dreamlu/iot/mqtt/core/util/timer/TimingWheelThread.java
0 → 100644
浏览文件 @
3e0e024d
/*
* Copyright (c) 2019-2029, Dreamlu 卢春梦 (596392912@qq.com & dreamlu.net).
*
* 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.
*/
package
net.dreamlu.iot.mqtt.core.util.timer
;
import
org.slf4j.Logger
;
import
org.slf4j.LoggerFactory
;
import
java.util.concurrent.CountDownLatch
;
/**
* TimingWheelThread
*
* @author L.cm
*/
public
class
TimingWheelThread
extends
Thread
{
private
static
final
Logger
log
=
LoggerFactory
.
getLogger
(
TimingWheelThread
.
class
);
private
final
Timer
timer
;
private
final
long
workTimeoutMs
;
private
final
CountDownLatch
shutdownInitiated
;
private
final
CountDownLatch
shutdownComplete
;
private
volatile
boolean
isStarted
=
false
;
public
TimingWheelThread
(
Timer
timer
)
{
this
(
timer
,
200L
);
}
public
TimingWheelThread
(
Timer
timer
,
long
workTimeoutMs
)
{
super
();
this
.
timer
=
timer
;
this
.
workTimeoutMs
=
workTimeoutMs
;
this
.
shutdownInitiated
=
new
CountDownLatch
(
1
);
this
.
shutdownComplete
=
new
CountDownLatch
(
1
);
this
.
setDaemon
(
false
);
}
public
boolean
isShutdownInitiated
()
{
return
shutdownInitiated
.
getCount
()
==
0
;
}
public
boolean
isRunning
()
{
return
!
isShutdownInitiated
();
}
@Override
public
void
run
()
{
isStarted
=
true
;
log
.
info
(
"Starting"
);
try
{
while
(
isRunning
())
{
timer
.
advanceClock
(
workTimeoutMs
);
}
}
catch
(
Exception
e
)
{
if
(
isRunning
())
{
log
.
error
(
"Error due to"
,
e
);
}
}
finally
{
shutdownComplete
.
countDown
();
}
log
.
info
(
"Stopped"
);
}
public
void
shutdown
()
{
initiateShutdown
();
awaitShutdown
();
}
private
void
initiateShutdown
()
{
synchronized
(
this
)
{
if
(
isRunning
())
{
shutdownInitiated
.
countDown
();
}
}
}
/**
* After calling initiateShutdown(), use this API to wait until the shutdown is complete
*/
private
void
awaitShutdown
()
{
if
(!
isShutdownInitiated
())
{
throw
new
IllegalStateException
(
"initiateShutdown() was not called before awaitShutdown()"
);
}
else
{
if
(
isStarted
)
{
try
{
shutdownComplete
.
await
();
}
catch
(
InterruptedException
e
)
{
Thread
.
currentThread
().
interrupt
();
}
}
}
}
}
mica-mqtt-core/src/test/java/net/dreamlu/iot/mqtt/core/timer/SystemTimerTest.java
浏览文件 @
3e0e024d
package
net.dreamlu.iot.mqtt.core.timer
;
import
net.dreamlu.iot.mqtt.core.util.timer.SystemTimer
;
import
net.dreamlu.iot.mqtt.core.util.timer.TimingWheelThread
;
public
class
SystemTimerTest
{
public
static
void
main
(
String
[]
args
)
{
public
static
void
main
(
String
[]
args
)
throws
InterruptedException
{
SystemTimer
systemTimer
=
new
SystemTimer
(
"timer"
);
TimingWheelThread
timingWheelThread
=
new
TimingWheelThread
(
systemTimer
);
timingWheelThread
.
start
();
System
.
out
.
println
(
System
.
currentTimeMillis
());
systemTimer
.
add
(
new
DelayedOperation
(
5000
));
systemTimer
.
add
(
new
DelayedOperation
(
7000
));
systemTimer
.
add
(
new
DelayedOperation
(
10000
));
systemTimer
.
add
(
new
DelayedOperation
(
14000
));
System
.
out
.
println
(
System
.
nanoTime
());
boolean
flag
=
true
;
while
(
flag
)
{
boolean
b
=
systemTimer
.
advanceClock
(
200
);
if
(
b
)
{
System
.
out
.
println
(
systemTimer
.
size
());
}
}
Thread
.
sleep
(
100000L
);
}
}
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