dubbo ProfilerServerFilter 源码
dubbo ProfilerServerFilter 代码
文件路径:/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/filter/ProfilerServerFilter.java
/*
* 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 org.apache.dubbo.rpc.filter;
import org.apache.dubbo.common.extension.Activate;
import org.apache.dubbo.common.logger.Logger;
import org.apache.dubbo.common.logger.LoggerFactory;
import org.apache.dubbo.common.profiler.Profiler;
import org.apache.dubbo.common.profiler.ProfilerEntry;
import org.apache.dubbo.common.profiler.ProfilerSwitch;
import org.apache.dubbo.rpc.BaseFilter;
import org.apache.dubbo.rpc.Filter;
import org.apache.dubbo.rpc.Invocation;
import org.apache.dubbo.rpc.Invoker;
import org.apache.dubbo.rpc.Result;
import org.apache.dubbo.rpc.RpcContext;
import org.apache.dubbo.rpc.RpcException;
import static org.apache.dubbo.common.constants.CommonConstants.DEFAULT_TIMEOUT;
import static org.apache.dubbo.common.constants.CommonConstants.PROVIDER;
import static org.apache.dubbo.common.constants.CommonConstants.TIMEOUT_KEY;
@Activate(group = PROVIDER, order = Integer.MIN_VALUE)
public class ProfilerServerFilter implements Filter, BaseFilter.Listener {
private final static String CLIENT_IP_KEY = "client_ip";
private final static Logger logger = LoggerFactory.getLogger(ProfilerServerFilter.class);
@Override
public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
if (ProfilerSwitch.isEnableSimpleProfiler()) {
ProfilerEntry bizProfiler;
Object localInvokeProfiler = invocation.get(Profiler.PROFILER_KEY);
if (localInvokeProfiler instanceof ProfilerEntry) {
bizProfiler = Profiler.enter((ProfilerEntry) localInvokeProfiler, "Receive request. Local server invoke begin.");
} else {
bizProfiler = Profiler.start("Receive request. Server invoke begin.");
}
invocation.put(Profiler.PROFILER_KEY, bizProfiler);
invocation.put(CLIENT_IP_KEY, RpcContext.getServiceContext().getRemoteAddressString());
}
return invoker.invoke(invocation);
}
@Override
public void onResponse(Result appResponse, Invoker<?> invoker, Invocation invocation) {
afterInvoke(invoker, invocation);
}
@Override
public void onError(Throwable t, Invoker<?> invoker, Invocation invocation) {
afterInvoke(invoker, invocation);
}
private void afterInvoke(Invoker<?> invoker, Invocation invocation) {
if (ProfilerSwitch.isEnableSimpleProfiler()) {
Object fromInvocation = invocation.get(Profiler.PROFILER_KEY);
if (fromInvocation instanceof ProfilerEntry) {
ProfilerEntry profiler = Profiler.release((ProfilerEntry) fromInvocation);
invocation.put(Profiler.PROFILER_KEY, profiler);
dumpIfNeed(invoker, invocation, (ProfilerEntry) fromInvocation);
}
}
}
private void dumpIfNeed(Invoker<?> invoker, Invocation invocation, ProfilerEntry profiler) {
int timeout;
Object timeoutValue = invocation.getObjectAttachmentWithoutConvert(TIMEOUT_KEY);
if (timeoutValue instanceof Integer) {
timeout = (Integer) timeoutValue;
} else {
timeout = invoker.getUrl().getMethodPositiveParameter(invocation.getMethodName(), TIMEOUT_KEY, DEFAULT_TIMEOUT);
}
long usage = profiler.getEndTime() - profiler.getStartTime();
if (((usage / (1000_000L * ProfilerSwitch.getWarnPercent())) > timeout) && timeout != -1) {
StringBuilder attachment = new StringBuilder();
invocation.foreachAttachment((entry) -> {
attachment.append(entry.getKey()).append("=").append(entry.getValue()).append(";\n");
});
logger.warn(String.format("[Dubbo-Provider] execute service %s#%s cost %d.%06d ms, this invocation almost (maybe already) timeout. Timeout: %dms\n" +
"client: %s\n" +
"invocation context:\n%s" +
"thread info: \n%s",
invocation.getTargetServiceUniqueName(), invocation.getMethodName(), usage / 1000_000, usage % 1000_000, timeout,
invocation.get(CLIENT_IP_KEY), attachment, Profiler.buildDetail(profiler)));
}
}
}
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