/*
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* Copyright (c) 2018-2028, DreamLu All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* Neither the name of the dreamlu.net developer nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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* Author: DreamLu 卢春梦 (596392912@qq.com)
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*/
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package org.springblade.core.metrics.sentinel;
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import com.alibaba.csp.sentinel.metric.extension.MetricExtension;
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import com.alibaba.csp.sentinel.slots.block.BlockException;
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import io.micrometer.core.instrument.Metrics;
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import io.micrometer.core.instrument.Tags;
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import org.springblade.core.auto.service.AutoService;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicLong;
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/**
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* Sentinel Metrics Extension
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*
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* @author L.cm
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*/
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@AutoService(MetricExtension.class)
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public class SentinelMetricsExtension implements MetricExtension {
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public static final String PASS_REQUESTS_TOTAL = "sentinel_pass_requests_total";
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public static final String BLOCK_REQUESTS_TOTAL = "sentinel_block_requests_total";
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public static final String SUCCESS_REQUESTS_TOTAL = "sentinel_success_requests_total";
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public static final String EXCEPTION_REQUESTS_TOTAL = "sentinel_exception_requests_total";
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public static final String REQUESTS_LATENCY_SECONDS = "sentinel_requests_latency_seconds";
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public static final String CURRENT_THREADS = "sentinel_current_threads";
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public static final String DEFAULT_TAT_NAME = "resource";
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private final AtomicLong CURRENT_THREAD_COUNT = new AtomicLong(0);
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@Override
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public void addPass(String resource, int n, Object... args) {
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Metrics.counter(PASS_REQUESTS_TOTAL, DEFAULT_TAT_NAME, resource).increment(n);
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}
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@Override
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public void addBlock(String resource, int n, String origin, BlockException ex, Object... args) {
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Metrics.counter(BLOCK_REQUESTS_TOTAL, resource, ex.getClass().getSimpleName(), ex.getRuleLimitApp(), origin).increment(n);
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}
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@Override
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public void addSuccess(String resource, int n, Object... args) {
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Metrics.counter(SUCCESS_REQUESTS_TOTAL, DEFAULT_TAT_NAME, resource).increment(n);
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}
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@Override
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public void addException(String resource, int n, Throwable throwable) {
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Metrics.counter(EXCEPTION_REQUESTS_TOTAL, DEFAULT_TAT_NAME, resource).increment(n);
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}
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@Override
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public void addRt(String resource, long rt, Object... args) {
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Metrics.timer(REQUESTS_LATENCY_SECONDS, DEFAULT_TAT_NAME, resource).record(rt, TimeUnit.MICROSECONDS);
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}
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@Override
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public void increaseThreadNum(String resource, Object... args) {
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Tags tags = Tags.of(DEFAULT_TAT_NAME, resource);
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Metrics.gauge(CURRENT_THREADS, tags, CURRENT_THREAD_COUNT, AtomicLong::incrementAndGet);
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}
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@Override
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public void decreaseThreadNum(String resource, Object... args) {
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Tags tags = Tags.of(DEFAULT_TAT_NAME, resource);
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Metrics.gauge(CURRENT_THREADS, tags, CURRENT_THREAD_COUNT, AtomicLong::decrementAndGet);
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}
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}
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