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Prometheus refactor.

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Chuanyi Li
2018-08-07 08:18:01 +08:00
parent 2084b1fc37
commit 75de57c102
16 changed files with 346 additions and 337 deletions
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86
server/src/main/java/com/alibaba/otter/canal/server/netty/CanalServerWithNettyProfiler.java
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@@ -1,105 +1,39 @@
package com.alibaba.otter.canal.server.netty;
import com.alibaba.otter.canal.server.embedded.CanalServerWithEmbedded;
import com.alibaba.otter.canal.common.AbstractCanalLifeCycle;
import com.alibaba.otter.canal.server.netty.listener.ChannelFutureAggregator.ClientRequestResult;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
/**
* @author Chuanyi Li
*/
public class CanalServerWithNettyProfiler {
public static final ClientInstanceProfilerFactory DISABLED = new DefaultClientInstanceProfilerFactory();
private volatile ClientInstanceProfilerFactory clientInstanceProfilerFactory;
private final ConcurrentMap<String, ClientInstanceProfiler> cliPfs;
private final CanalServerWithEmbedded server;
public static final ClientInstanceProfiler NOP = new DefaultClientInstanceProfiler();
private ClientInstanceProfiler instanceProfiler;
private static class SingletonHolder {
private static CanalServerWithNettyProfiler SINGLETON = new CanalServerWithNettyProfiler();
}
private CanalServerWithNettyProfiler() {
this.clientInstanceProfilerFactory = DISABLED;
this.cliPfs = new ConcurrentHashMap<String, ClientInstanceProfiler>();
this.server = CanalServerWithEmbedded.instance();
this.instanceProfiler = NOP;
}
public static CanalServerWithNettyProfiler profiler() {
return SingletonHolder.SINGLETON;
}
public void profiling(String destination, ClientRequestResult result) {
if (isDisabled()) {
return;
}
ClientInstanceProfiler profiler = cliPfs.get(destination);
if (profiler != null) {
profiler.profiling(result);
}
public void profiling(ClientRequestResult result) {
instanceProfiler.profiling(result);
}
public void start(String destination) {
if (isDisabled()) {
return;
}
if (server.isStart(destination)) {
throw new IllegalStateException("Instance profiler should not be start while running.");
}
ClientInstanceProfiler profiler = clientInstanceProfilerFactory.create(destination);
profiler.start();
cliPfs.put(destination, profiler);
public void setInstanceProfiler(ClientInstanceProfiler instanceProfiler) {
this.instanceProfiler = instanceProfiler;
}
/**
* Remove instance profiler for specified instance.
* Only accepted while instance is not running.
* @param destination canal instance destination
*/
public void stop(String destination) {
if (isDisabled()) {
return;
}
if (server.isStart(destination)) {
throw new IllegalStateException("Instance profiler should not be stop while running.");
}
ClientInstanceProfiler profiler = cliPfs.remove(destination);
if (profiler != null && profiler.isStart()) {
profiler.stop();
}
}
public void setInstanceProfilerFactory(ClientInstanceProfilerFactory factory) {
this.clientInstanceProfilerFactory = factory;
}
private boolean isDisabled() {
return clientInstanceProfilerFactory == DISABLED || clientInstanceProfilerFactory == null;
}
private ClientInstanceProfiler tryGet(String destination) {
//try fast get
ClientInstanceProfiler profiler = cliPfs.get(destination);
if (profiler == null) {
synchronized (cliPfs) {
if (server.isStart(destination)) {
// avoid overwriting
cliPfs.putIfAbsent(destination, clientInstanceProfilerFactory.create(destination));
profiler = cliPfs.get(destination);
if (!profiler.isStart()) {
profiler.start();
}
}
}
}
return profiler;
}
private static class DefaultClientInstanceProfilerFactory implements ClientInstanceProfilerFactory {
private static class DefaultClientInstanceProfiler extends AbstractCanalLifeCycle implements ClientInstanceProfiler {
@Override
public ClientInstanceProfiler create(String destination) {
throw new UnsupportedOperationException();
}
public void profiling(ClientRequestResult result) {}
}
}

6
server/src/main/java/com/alibaba/otter/canal/server/netty/ClientInstanceProfiler.java
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@@ -1,15 +1,13 @@
package com.alibaba.otter.canal.server.netty;
import com.alibaba.otter.canal.common.CanalLifeCycle;
import com.alibaba.otter.canal.server.netty.listener.ChannelFutureAggregator;
import com.alibaba.otter.canal.server.netty.listener.ChannelFutureAggregator.ClientRequestResult;
/**
* @author Chuanyi Li
*/
public interface ClientInstanceProfiler extends CanalLifeCycle {
String getDestination();
void profiling(ChannelFutureAggregator.ClientRequestResult result);
void profiling(ClientRequestResult result);
}

10
server/src/main/java/com/alibaba/otter/canal/server/netty/ClientInstanceProfilerFactory.java
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@@ -1,10 +0,0 @@
package com.alibaba.otter.canal.server.netty;
/**
* @author Chuanyi Li
*/
public interface ClientInstanceProfilerFactory {
ClientInstanceProfiler create(String destination);
}

2
server/src/main/java/com/alibaba/otter/canal/server/netty/listener/ChannelFutureAggregator.java
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@@ -45,7 +45,7 @@ public class ChannelFutureAggregator implements ChannelFutureListener {
if (future.getCause() != null) {
result.channelError = future.getCause();
}
profiler().profiling(result.destination, result);
profiler().profiling(result);
}
/**