kafka ThrottledChannel 源码
kafka ThrottledChannel 代码
文件路径：/core/src/main/scala/kafka/server/ThrottledChannel.scala
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 kafka.server
import java.util.concurrent.{Delayed, TimeUnit}
import kafka.utils.Logging
import org.apache.kafka.common.utils.Time
trait ThrottleCallback {
def startThrottling(): Unit
def endThrottling(): Unit
}
/**
* Represents a request whose response has been delayed.
* @param time Time instance to use
* @param throttleTimeMs Delay associated with this request
* @param callback Callback for channel throttling
*/
class ThrottledChannel(
val time: Time,
val throttleTimeMs: Int,
val callback: ThrottleCallback
) extends Delayed with Logging {
private val endTimeNanos = time.nanoseconds() + TimeUnit.MILLISECONDS.toNanos(throttleTimeMs)
// Notify the socket server that throttling has started for this channel.
callback.startThrottling()
// Notify the socket server that throttling has been done for this channel.
def notifyThrottlingDone(): Unit = {
trace(s"Channel throttled for: $throttleTimeMs ms")
callback.endThrottling()
}
override def getDelay(unit: TimeUnit): Long = {
unit.convert(endTimeNanos - time.nanoseconds(), TimeUnit.NANOSECONDS)
}
override def compareTo(d: Delayed): Int = {
val other = d.asInstanceOf[ThrottledChannel]
java.lang.Long.compare(this.endTimeNanos, other.endTimeNanos)
}
}
相关信息
相关文章
kafka AbstractFetcherManager 源码
kafka AbstractFetcherThread 源码
kafka AlterPartitionManager 源码
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
8、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦