Skywalking hablar de log4j2-activación

secuencia

En este trabajo, nos fijamos skywalking de log4j2-activación

skywalking-plugin.def

skywalking-6.6.0 / apm-sniffer / apm-toolkit-activación / apm-toolkit-log4j-2.x-activación / src / principales recursos / / skywalking-plugin.def

toolkit-log4j2=org.apache.skywalking.apm.toolkit.activation.log.log4j.v2.x.TraceIdConverterActivation
toolkit-log4j2=org.apache.skywalking.apm.toolkit.activation.log.log4j.v2.x.async.AsyncLoggerConfigInstrumentation
toolkit-log4j2=org.apache.skywalking.apm.toolkit.activation.log.log4j.v2.x.async.Log4jLogEventInstrumentation
toolkit-log4j2=org.apache.skywalking.apm.toolkit.activation.log.log4j.v2.x.async.RingBufferLogEventInstrumentation
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skywalking de log4j2-activación define TraceIdConverterActivation, AsyncLoggerConfigInstrumentation, Log4jLogEventInstrumentation, RingBufferLogEventInstrumentation estas mejoras

TraceIdConverterActivation

skywalking-6.6.0 / apm-sniffer / apm-toolkit-activación / apm-toolkit-log4j-2.x-activación / src / main / java / org / apache / skywalking / apm / toolkit / activación / log / log4j / v2 / x / TraceIdConverterActivation.java

public class TraceIdConverterActivation extends ClassInstanceMethodsEnhancePluginDefine {

    private static final String INTERCEPT_CLASS = "org.apache.skywalking.apm.toolkit.activation.log.log4j.v2.x.TraceIdConverterMethodInterceptor";
    private static final String ENHANCE_CLASS = "org.apache.skywalking.apm.toolkit.log.log4j.v2.x.TraceIdConverter";
    private static final String ENHANCE_METHOD = "format";

    @Override
    public ConstructorInterceptPoint[] getConstructorsInterceptPoints() {
        return new ConstructorInterceptPoint[0];
    }

    @Override
    public InstanceMethodsInterceptPoint[] getInstanceMethodsInterceptPoints() {
        return new InstanceMethodsInterceptPoint[]{
            new InstanceMethodsInterceptPoint() {
                @Override
                public ElementMatcher<MethodDescription> getMethodsMatcher() {

                    return named(ENHANCE_METHOD);
                }

                @Override
                public String getMethodsInterceptor() {
                    return INTERCEPT_CLASS;
                }

                @Override
                public boolean isOverrideArgs() {
                    return false;
                }
            }
        };
    }

    @Override
    protected ClassMatch enhanceClass() {
        return byName(ENHANCE_CLASS);
    }
}
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TraceIdConverterActivation heredó ClassInstanceMethodsEnhancePluginDefine, mejora la utilización de org.apache.skywalking.apm.toolkit.log.log4j.v2.x.TraceIdConverter org.apache.skywalking.apm.toolkit.activation.log.log4j.v2.x.TraceIdConverterMethodInterceptor método de formato

TraceIdConverterMethodInterceptor

public class TraceIdConverterMethodInterceptor implements InstanceMethodsAroundInterceptor {


    @Override
    public void beforeMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes,
                             MethodInterceptResult result) throws Throwable {
        String tid = "";

        //Async Thread, where ContextManager is not active
        if (!ContextManager.isActive() && allArguments[0] instanceof EnhancedInstance) {
            tid = (String) ((EnhancedInstance) allArguments[0]).getSkyWalkingDynamicField();
            if (tid == null) {
                tid = "N/A";
            }
        } else {
            tid = ContextManager.getGlobalTraceId();
        }
        ((StringBuilder) allArguments[1]).append("TID: ").append(tid);
        result.defineReturnValue(null);
    }

    @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) {
    }
}
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TraceIdConverterMethodInterceptor InstanceMethodsAroundInterceptor implementa una interfaz, método que se adquiere principalmente tid beforeMethod de ContextManager.getGlobalTraceId (), y luego a allArguments [1] añadido TID:valor de prefijo tid

AsyncLoggerConfigInstrumentation

public class AsyncLoggerConfigInstrumentation extends ClassInstanceMethodsEnhancePluginDefine {

    private static final String INTERCEPT_CLASS = "org.apache.skywalking.apm.toolkit.activation.log.log4j.v2.x.async.AsyncLoggerConfigMethodInterceptor";
    private static final String ENHANCE_CLASS = "org.apache.logging.log4j.core.async.AsyncLoggerConfig";
    private static final String ENHANCE_METHOD = "populateLazilyInitializedFields";

    @Override
    public ConstructorInterceptPoint[] getConstructorsInterceptPoints() {
        return new ConstructorInterceptPoint[0];
    }

    @Override
    public InstanceMethodsInterceptPoint[] getInstanceMethodsInterceptPoints() {
        return new InstanceMethodsInterceptPoint[]{
            new InstanceMethodsInterceptPoint() {
                @Override
                public ElementMatcher<MethodDescription> getMethodsMatcher() {
                    return named(ENHANCE_METHOD);
                }

                @Override
                public String getMethodsInterceptor() {
                    return INTERCEPT_CLASS;
                }

                @Override
                public boolean isOverrideArgs() {
                    return false;
                }
            }
        };
    }

    @Override
    protected ClassMatch enhanceClass() {
        return byName(ENHANCE_CLASS);
    }
}
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AsyncLoggerConfigInstrumentation heredó ClassInstanceMethodsEnhancePluginDefine, utiliza org.apache.skywalking.apm.toolkit.activation.log.log4j.v2.x.async.AsyncLoggerConfigMethodInterceptor mejorado método org.apache.logging.log4j.core.async.AsyncLoggerConfig de populateLazilyInitializedFields

AsyncLoggerConfigMethodInterceptor

public class AsyncLoggerConfigMethodInterceptor implements InstanceMethodsAroundInterceptor {


    @Override
    public void beforeMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes,
                             MethodInterceptResult result) throws Throwable {
        if (allArguments[0] instanceof EnhancedInstance) {
            EnhancedInstance instances = (EnhancedInstance) allArguments[0];
            instances.setSkyWalkingDynamicField(ContextManager.getGlobalTraceId());
        }
    }

    @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) {
    }
}
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AsyncLoggerConfigMethodInterceptor InstanceMethodsAroundInterceptor implementa una interfaz, método que se está provista beforeMethod ContextManager.getGlobalTraceId () para allArguments [0] de skyWalkingDynamicField

Log4jLogEventInstrumentation

public class Log4jLogEventInstrumentation extends ClassInstanceMethodsEnhancePluginDefine {
    @Override
    public ConstructorInterceptPoint[] getConstructorsInterceptPoints() {
        return new ConstructorInterceptPoint[]{
            new ConstructorInterceptPoint() {
                @Override
                public ElementMatcher<MethodDescription> getConstructorMatcher() {
                    return any();
                }

                @Override
                public String getConstructorInterceptor() {
                    return "org.apache.skywalking.apm.toolkit.activation.log.log4j.v2.x.async.Log4jLogEventConstructorInterceptor";
                }
            }
        };
    }

    @Override
    public InstanceMethodsInterceptPoint[] getInstanceMethodsInterceptPoints() {
        return new InstanceMethodsInterceptPoint[0];
    }

    @Override
    protected ClassMatch enhanceClass() {
        return byName("org.apache.logging.log4j.core.impl.Log4jLogEvent");
    }
}
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Log4jLogEventInstrumentation heredó ClassInstanceMethodsEnhancePluginDefine, utiliza org.apache.skywalking.apm.toolkit.activation.log.log4j.v2.x.async.Log4jLogEventConstructorInterceptor mejorada constructor org.apache.logging.log4j.core.impl.Log4jLogEvent

Log4jLogEventConstructorInterceptor

public class Log4jLogEventConstructorInterceptor implements InstanceConstructorInterceptor {

    @Override
    public void onConstruct(EnhancedInstance objInst, Object[] allArguments) {
    }
}
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Log4jLogEventConstructorInterceptor se dio cuenta de interfaz de InstanceConstructorInterceptor, el método Actualmente no opera onConstruct

RingBufferLogEventInstrumentation

public class RingBufferLogEventInstrumentation extends ClassInstanceMethodsEnhancePluginDefine {
    private static final String INTERCEPT_CLASS = "org.apache.skywalking.apm.toolkit.activation.log.log4j.v2.x.async.RingBufferLogEventMethodInterceptor";
    private static final String ENHANCE_CLASS = "org.apache.logging.log4j.core.async.RingBufferLogEvent";
    private static final String ENHANCE_METHOD = "setMessage";
    @Override
    public ConstructorInterceptPoint[] getConstructorsInterceptPoints() {
        return new ConstructorInterceptPoint[0];
    }

    @Override
    public InstanceMethodsInterceptPoint[] getInstanceMethodsInterceptPoints() {
        return new InstanceMethodsInterceptPoint[]{
            new InstanceMethodsInterceptPoint() {
                @Override
                public ElementMatcher<MethodDescription> getMethodsMatcher() {
                    return named(ENHANCE_METHOD);
                }

                @Override
                public String getMethodsInterceptor() {
                    return INTERCEPT_CLASS;
                }

                @Override
                public boolean isOverrideArgs() {
                    return false;
                }
            }
        };
    }

    @Override
    protected ClassMatch enhanceClass() {
        return byName(ENHANCE_CLASS);
    }
}
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RingBufferLogEventInstrumentation heredó ClassInstanceMethodsEnhancePluginDefine, mejora el uso del método de org.apache.skywalking.apm.toolkit.activation.log.log4j.v2.x.async.RingBufferLogEventMethodInterceptor setMessage org.apache.logging.log4j.core.async.RingBufferLogEvent

RingBufferLogEventMethodInterceptor

public class RingBufferLogEventMethodInterceptor implements InstanceMethodsAroundInterceptor {


    @Override
    public void beforeMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes,
                             MethodInterceptResult result) throws Throwable {
        objInst.setSkyWalkingDynamicField(ContextManager.getGlobalTraceId());
    }

    @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) {
    }
}
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RingBufferLogEventMethodInterceptor InstanceMethodsAroundInterceptor implementa una interfaz, método que beforeMethod ContextManager.getGlobalTraceId () se proporciona a OBJINST skyWalkingDynamicField

resumen

skywalking de log4j2-activación define TraceIdConverterActivation, AsyncLoggerConfigInstrumentation, Log4jLogEventInstrumentation, RingBufferLogEventInstrumentation estas mejoras