GuiSong01 opened a new issue #6842:
URL: https://github.com/apache/skywalking/issues/6842
Please answer these questions before submitting your issue.
- Why do you submit this issue?
- [ ] Question or discussion
- [ ] Bug
- [ ] Requirement
- [ ] Feature or performance improvement
___
### Question
- What do you want to know?
NettyRoutingFilterInterceptor code in apm-spring-cloud-gateway-2.1.x-plugin.
`
public class NettyRoutingFilterInterceptor implements
InstanceMethodsAroundInterceptor {
@Override
public void beforeMethod(EnhancedInstance objInst, Method method,
Object[] allArguments, Class<?>[] argumentsTypes,
MethodInterceptResult result) throws Throwable {
ServerWebExchange exchange = (ServerWebExchange) allArguments[0];
EnhancedInstance enhancedInstance = getInstance(exchange);
AbstractSpan span =
ContextManager.createLocalSpan("SpringCloudGateway/RoutingFilter");
if (enhancedInstance != null &&
enhancedInstance.getSkyWalkingDynamicField() != null) {
ContextManager.continued((ContextSnapshot)
enhancedInstance.getSkyWalkingDynamicField());
}
span.setComponent(SPRING_CLOUD_GATEWAY);
}
public static EnhancedInstance getInstance(Object o) {
EnhancedInstance instance = null;
if (o instanceof DefaultServerWebExchange) {
instance = (EnhancedInstance) o;
} else if (o instanceof ServerWebExchangeDecorator) {
ServerWebExchange delegate = ((ServerWebExchangeDecorator)
o).getDelegate();
return getInstance(delegate);
}
return instance;
}
@Override
public Object afterMethod(EnhancedInstance objInst, Method method,
Object[] allArguments, Class<?>[] argumentsTypes,
Object ret) throws Throwable {
return ret;
}
@Override
public void handleMethodException(EnhancedInstance objInst, Method
method, Object[] allArguments,
Class<?>[] argumentsTypes, Throwable
t) {
ContextManager.activeSpan().log(t);
}
}
`
afterMethod function do nothing, how to clear trace context in CONTEXT
ThreadLocal.
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