org.apache.skywalking.apm.plugin.okhttp.common

Class RealCallInterceptor

java.lang.Object

org.apache.skywalking.apm.plugin.okhttp.common.RealCallInterceptor

All Implemented Interfaces:

InstanceConstructorInterceptor, InstanceMethodsAroundInterceptor

public class RealCallInterceptor
extends Object
implements InstanceMethodsAroundInterceptor, InstanceConstructorInterceptor

RealCallInterceptor intercept the synchronous http calls by the discovery of okhttp.

Constructor Summary

Constructors

Constructor and Description
RealCallInterceptor()

Method Summary

Modifier and Type	Method and Description
Object	afterMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, Object ret) Get the status code from Response, when status code greater than 400, it means there was some errors in the server.
void	beforeMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, MethodInterceptResult result) Get the Request from EnhancedInstance, then create AbstractSpan and set host, port, kind, component, url from Request.
void	handleMethodException(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, Throwable t)
void	onConstruct(EnhancedInstance objInst, Object[] allArguments)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RealCallInterceptor

public RealCallInterceptor()

Method Detail

onConstruct

public void onConstruct(EnhancedInstance objInst,
                        Object[] allArguments)

Specified by:

onConstruct in interface InstanceConstructorInterceptor

beforeMethod

public void beforeMethod(EnhancedInstance objInst,
                         Method method,
                         Object[] allArguments,
                         Class<?>[] argumentsTypes,
                         MethodInterceptResult result)
                  throws Throwable

Get the Request from EnhancedInstance, then create AbstractSpan and set host, port, kind, component, url from Request. Through the reflection of the way, set the http header of context data into Request.headers().

Specified by:

beforeMethod in interface InstanceMethodsAroundInterceptor

Parameters:

result - change this result, if you want to truncate the method.

Throws:

Throwable

afterMethod

public Object afterMethod(EnhancedInstance objInst,
                          Method method,
                          Object[] allArguments,
                          Class<?>[] argumentsTypes,
                          Object ret)
                   throws Throwable

Get the status code from Response, when status code greater than 400, it means there was some errors in the server. Finish the AbstractSpan.

Specified by:

afterMethod in interface InstanceMethodsAroundInterceptor

Parameters:

ret - the method's original return value.

Throws:

Throwable

handleMethodException

public void handleMethodException(EnhancedInstance objInst,
                                  Method method,
                                  Object[] allArguments,
                                  Class<?>[] argumentsTypes,
                                  Throwable t)

Specified by:

handleMethodException in interface InstanceMethodsAroundInterceptor