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SpanAsyncEventSimpleAroundInterceptor.java
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/
SpanAsyncEventSimpleAroundInterceptor.java
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package com.navercorp.pinpoint.bootstrap.interceptor;
import com.navercorp.pinpoint.bootstrap.MetadataAccessor;
import com.navercorp.pinpoint.bootstrap.context.AsyncTraceId;
import com.navercorp.pinpoint.bootstrap.context.SpanEventRecorder;
import com.navercorp.pinpoint.bootstrap.context.Trace;
import com.navercorp.pinpoint.bootstrap.context.TraceContext;
import com.navercorp.pinpoint.bootstrap.interceptor.SimpleAroundInterceptor;
import com.navercorp.pinpoint.bootstrap.logging.PLogger;
import com.navercorp.pinpoint.bootstrap.logging.PLoggerFactory;
import com.navercorp.pinpoint.common.trace.ServiceType;
public abstract class SpanAsyncEventSimpleAroundInterceptor implements SimpleAroundInterceptor {
protected final PLogger logger = PLoggerFactory.getLogger(getClass());
protected final boolean isDebug = logger.isDebugEnabled();
protected final MethodDescriptor methodDescriptor;
protected final TraceContext traceContext;
private MetadataAccessor asyncTraceIdAccessor;
final MethodDescriptor asyncMethodDescriptor = new AsyncMethodDescriptor();
public SpanAsyncEventSimpleAroundInterceptor(TraceContext traceContext, MethodDescriptor methodDescriptor, MetadataAccessor asyncTraceIdAccessor) {
this.traceContext = traceContext;
this.methodDescriptor = methodDescriptor;
this.asyncTraceIdAccessor = asyncTraceIdAccessor;
traceContext.cacheApi(asyncMethodDescriptor);
}
@Override
public void before(Object target, Object[] args) {
if (isDebug) {
logger.beforeInterceptor(target, methodDescriptor.getClassName(), methodDescriptor.getMethodName(), "", args);
}
if (!asyncTraceIdAccessor.isApplicable(target) || asyncTraceIdAccessor.get(target) == null) {
logger.debug("Not found asynchronous invocation metadata");
return;
}
final AsyncTraceId asyncTraceId = asyncTraceIdAccessor.get(target);
Trace trace = traceContext.currentTraceObject();
if (trace == null) {
trace = traceContext.continueAsyncTraceObject(asyncTraceId, asyncTraceId.getAsyncId(), asyncTraceId.getSpanStartTime());
if (trace == null) {
logger.warn("Failed to continue async trace. 'result is null'");
return;
}
if(isDebug) {
logger.debug("Continue async trace. {}", asyncTraceId);
}
traceFirstBlockBegin(trace);
}
try {
final SpanEventRecorder recorder = trace.traceBlockBegin();
doInBeforeTrace(recorder, asyncTraceId, target, args);
} catch (Throwable th) {
if (logger.isWarnEnabled()) {
logger.warn("before. Caused:{}", th.getMessage(), th);
}
}
}
private void traceFirstBlockBegin(final Trace trace) {
// first block
final SpanEventRecorder recorder = trace.getSpanEventRecorder();
recorder.markBeforeTime();
recorder.recordServiceType(ServiceType.ASYNC);
recorder.recordApi(asyncMethodDescriptor);
}
protected abstract void doInBeforeTrace(SpanEventRecorder recorder, AsyncTraceId asyncTraceId, Object target, Object[] args);
@Override
public void after(Object target, Object[] args, Object result, Throwable throwable) {
if (isDebug) {
logger.afterInterceptor(target, methodDescriptor.getClassName(), methodDescriptor.getMethodName(), "", args, result, throwable);
}
if (!asyncTraceIdAccessor.isApplicable(target) || asyncTraceIdAccessor.get(target) == null) {
logger.debug("Not found asynchronous invocation metadata");
return;
}
Trace trace = traceContext.currentTraceObject();
if (trace == null) {
return;
}
try {
final SpanEventRecorder recorder = trace.getSpanEventRecorder();
doInAfterTrace(recorder, target, args, result, throwable);
} catch (Throwable th) {
if (logger.isWarnEnabled()) {
logger.warn("after error. Caused:{}", th.getMessage(), th);
}
} finally {
trace.traceBlockEnd();
if (trace.isAsync() && trace.isRootStack()) {
if(isDebug) {
logger.debug("Close async trace. {}");
}
traceFirstBlockEnd(trace);
trace.close();
traceContext.removeTraceObject();
}
}
}
private void traceFirstBlockEnd(final Trace trace) {
// first block
final SpanEventRecorder recorder = trace.getSpanEventRecorder();
recorder.markAfterTime();
}
protected abstract void doInAfterTrace(SpanEventRecorder recorder, Object target, Object[] args, Object result, Throwable throwable);
public class AsyncMethodDescriptor implements MethodDescriptor {
private int apiId = 0;
@Override
public String getMethodName() {
return "";
}
@Override
public String getClassName() {
return "";
}
@Override
public String[] getParameterTypes() {
return null;
}
@Override
public String[] getParameterVariableName() {
return null;
}
@Override
public String getParameterDescriptor() {
return "";
}
@Override
public int getLineNumber() {
return -1;
}
@Override
public String getFullName() {
return AsyncMethodDescriptor.class.getName();
}
@Override
public void setApiId(int apiId) {
this.apiId = apiId;
}
@Override
public int getApiId() {
return apiId;
}
@Override
public String getApiDescriptor() {
return "Asynchronous Invocation";
}
@Override
public int getType() {
return 200;
}
}
}