refactor: flow control filters v2
This commit is contained in:
37
src/main/java/we/config/FlowControlConfig.java
Normal file
37
src/main/java/we/config/FlowControlConfig.java
Normal file
@@ -0,0 +1,37 @@
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/*
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* Copyright (C) 2020 the original author or authors.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package we.config;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import we.stats.FlowStat;
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/**
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* @author hongqiaowei
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*/
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@ConditionalOnProperty(name = "flowControl", havingValue = "true")
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@Configuration
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public class FlowControlConfig {
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@Bean
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public FlowStat flowStat() {
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return new FlowStat();
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}
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}
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@@ -22,12 +22,9 @@ import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.DependsOn;
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import org.springframework.data.redis.core.ReactiveStringRedisTemplate;
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import org.springframework.scheduling.annotation.EnableScheduling;
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import org.springframework.scheduling.annotation.Scheduled;
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// import we.filter.FlowControlFilter;
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import we.filter.GlobalFlowControlFilter;
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import we.flume.clients.log4j2appender.LogService;
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import we.stats.FlowStat;
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import we.stats.ResourceTimeWindowStat;
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@@ -51,10 +48,7 @@ import java.util.concurrent.atomic.AtomicLong;
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*/
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@Configuration
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// @ConditionalOnProperty(name="flowControl",havingValue = "true")
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@DependsOn(GlobalFlowControlFilter.GLOBAL_FLOW_CONTROL_FILTER)
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@EnableScheduling
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// @ConfigurationProperties(prefix = "flow-stat-sched")
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public class FlowStatSchedConfig extends SchedConfig {
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private static final Logger log = LoggerFactory.getLogger(FlowStatSchedConfig.class);
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@@ -79,8 +73,8 @@ public class FlowStatSchedConfig extends SchedConfig {
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@Value("${flowControl:false}")
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private boolean flowControl;
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// @Resource(name = FlowControlFilter.FLOW_CONTROL_FILTER)
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private FlowStat flowStat = GlobalFlowControlFilter.flowStat;
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@Resource
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private FlowStat flowStat;
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@Resource
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private ResourceRateLimitConfigService resourceRateLimitConfigService;
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@@ -108,7 +102,6 @@ public class FlowStatSchedConfig extends SchedConfig {
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if (!flowControl) {
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return;
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}
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// FlowStat flowStat = flowControlFilter.getFlowStat();
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if (startTimeSlot == 0) {
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startTimeSlot = getRecentEndTimeSlot(flowStat);
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return;
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@@ -17,17 +17,16 @@
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package we.controller;
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import com.alibaba.nacos.api.config.annotation.NacosValue;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.context.annotation.DependsOn;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import org.springframework.web.server.ServerWebExchange;
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import reactor.core.publisher.Mono;
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// import we.filter.FlowControlFilter;
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import we.filter.GlobalFlowControlFilter;
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import we.stats.FlowStat;
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import we.stats.ResourceTimeWindowStat;
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import we.stats.TimeWindowStat;
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@@ -47,60 +46,64 @@ import java.util.Map;
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*/
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@RestController
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@DependsOn(GlobalFlowControlFilter.GLOBAL_FLOW_CONTROL_FILTER)
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@RequestMapping("/admin/flowStat")
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public class FlowControlController {
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private static final Logger log = LoggerFactory.getLogger(FlowControlController.class);
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private static final Logger log = LoggerFactory.getLogger(FlowControlController.class);
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// @Resource(name = FlowControlFilter.FLOW_CONTROL_FILTER)
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// private FlowControlFilter flowControlFilter;
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@NacosValue(value = "${flowControl:false}", autoRefreshed = true)
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@Value("${flowControl:false}")
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private boolean flowControl;
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private FlowStat flowStat = GlobalFlowControlFilter.flowStat;
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@Resource
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private FlowStat flowStat;
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@GetMapping("/globalConcurrentsRps")
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public Mono<String> globalConcurrentsRps(ServerWebExchange exchange, @RequestParam(value = "recent", required = false, defaultValue = "3") int recent) {
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long concurrents = 0; double rps = 0;
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Map<String, Object> result = new HashMap<>();
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result.put("concurrents", concurrents);
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result.put("rps", rps);
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long concurrents = 0;
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double rps = 0;
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Map<String, Object> result = new HashMap<>();
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result.put("concurrents", concurrents);
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result.put("rps", rps);
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try {
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// FlowStat flowStat = flowControlFilter.getFlowStat();
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long currentTimeSlot = flowStat.currentTimeSlotId();
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long startTimeSlot = currentTimeSlot - recent * 1000;
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TimeWindowStat timeWindowStat = null;
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List<ResourceTimeWindowStat> wins = flowStat.getResourceTimeWindowStats(ResourceRateLimitConfig.GLOBAL, startTimeSlot, currentTimeSlot, recent);
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if (wins == null || wins.isEmpty()) {
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result.put("rps", 0);
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} else {
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concurrents = flowStat.getConcurrentRequests(ResourceRateLimitConfig.GLOBAL);
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result.put("concurrents", concurrents);
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timeWindowStat = wins.get(0).getWindows().get(0);
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BigDecimal winrps = timeWindowStat.getRps();
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if (winrps == null) {
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rps = 0;
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} else {
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rps = winrps.doubleValue();
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}
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result.put("rps", rps);
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}
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if (log.isDebugEnabled()) {
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long compReqs = -1;
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if (timeWindowStat != null) {
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compReqs = timeWindowStat.getCompReqs();
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}
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log.debug(toDP19(startTimeSlot) + " - " + toDP19(currentTimeSlot) + " result: " + JacksonUtils.writeValueAsString(result) + ", complete reqs: " + compReqs);
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}
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if (flowControl) {
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try {
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long currentTimeSlot = flowStat.currentTimeSlotId();
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long startTimeSlot = currentTimeSlot - recent * 1000;
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TimeWindowStat timeWindowStat = null;
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List<ResourceTimeWindowStat> wins = flowStat.getResourceTimeWindowStats(ResourceRateLimitConfig.GLOBAL, startTimeSlot, currentTimeSlot, recent);
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if (wins == null || wins.isEmpty()) {
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result.put("rps", 0);
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} else {
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concurrents = flowStat.getConcurrentRequests(ResourceRateLimitConfig.GLOBAL);
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result.put("concurrents", concurrents);
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timeWindowStat = wins.get(0).getWindows().get(0);
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BigDecimal winrps = timeWindowStat.getRps();
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if (winrps == null) {
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rps = 0;
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} else {
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rps = winrps.doubleValue();
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}
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result.put("rps", rps);
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}
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if (log.isDebugEnabled()) {
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long compReqs = -1;
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if (timeWindowStat != null) {
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compReqs = timeWindowStat.getCompReqs();
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}
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log.debug(toDP19(startTimeSlot) + " - " + toDP19(currentTimeSlot) + " result: " + JacksonUtils.writeValueAsString(result) + ", complete reqs: " + compReqs);
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}
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} catch (Throwable t) {
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log.error("get current global concurrents and rps error", t);
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}
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return Mono.just(JacksonUtils.writeValueAsString(result));
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} catch (Throwable t) {
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log.error("get current global concurrents and rps error", t);
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}
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}
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return Mono.just(JacksonUtils.writeValueAsString(result));
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}
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private String toDP19(long startTimeSlot) {
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return DateTimeUtils.toDate(startTimeSlot, Constants.DatetimePattern.DP19);
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}
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private String toDP19(long startTimeSlot) {
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return DateTimeUtils.toDate(startTimeSlot, Constants.DatetimePattern.DP19);
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}
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}
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80
src/main/java/we/filter/AbsFlowControlFilter.java
Normal file
80
src/main/java/we/filter/AbsFlowControlFilter.java
Normal file
@@ -0,0 +1,80 @@
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/*
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* Copyright (C) 2020 the original author or authors.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
|
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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* GNU General Public License for more details.
|
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package we.filter;
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import com.alibaba.nacos.api.config.annotation.NacosValue;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.server.reactive.ServerHttpResponse;
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import org.springframework.web.server.ServerWebExchange;
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import reactor.core.publisher.Mono;
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import we.flume.clients.log4j2appender.LogService;
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import we.stats.FlowStat;
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import we.stats.ratelimit.ResourceRateLimitConfig;
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import we.stats.ratelimit.ResourceRateLimitConfigService;
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import we.util.Constants;
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import we.util.ThreadContext;
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import we.util.WebUtils;
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import javax.annotation.Resource;
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/**
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* @author hongqiaowei
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*/
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public abstract class AbsFlowControlFilter extends ProxyAggrFilter {
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private static final Logger log = LoggerFactory.getLogger(AbsFlowControlFilter.class);
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protected static final String exceed = " exceed ";
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protected static final String concurrents = " concurrents ";
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protected static final String orQps = " or qps ";
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protected static final String currentTimeSlot = "currentTimeSlot";
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protected static final String start = "start";
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@NacosValue(value = "${flowControl:false}", autoRefreshed = true)
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@Value("${flowControl:false}")
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protected boolean flowControl;
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@Resource
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protected ResourceRateLimitConfigService resourceRateLimitConfigService;
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@Resource
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protected FlowStat flowStat;
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protected Mono<Void> generateExceedResponse(ServerWebExchange exchange, ResourceRateLimitConfig config) {
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StringBuilder b = ThreadContext.getStringBuilder();
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b.append(WebUtils.getClientService(exchange)).append(Constants.Symbol.SPACE).append(WebUtils.getClientReqPath(exchange));
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b.append(exceed) .append(config.resource) .append(concurrents) .append(config.concurrents).append(orQps).append(config.qps);
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log.warn(b.toString(), LogService.BIZ_ID, exchange.getRequest().getId());
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ServerHttpResponse resp = exchange.getResponse();
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resp.setStatusCode(HttpStatus.OK);
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resp.getHeaders().add(HttpHeaders.CONTENT_TYPE, config.responseType);
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return resp.writeWith(Mono.just(resp.bufferFactory().wrap(config.responseContent.getBytes())));
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}
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protected void inTheEnd(ServerWebExchange exchange, String resource, long start, long currentTimeSlot, boolean success) {
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long spend = System.currentTimeMillis() - start;
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flowStat.decrConcurrentRequest(resource, currentTimeSlot);
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flowStat.addRequestRT(resource, currentTimeSlot, spend, success);
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}
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}
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@@ -1,106 +1,74 @@
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/*
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* Copyright (C) 2020 the original author or authors.
|
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*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
*/
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package we.filter;
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import com.alibaba.nacos.api.config.annotation.NacosValue;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.core.annotation.Order;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.server.reactive.ServerHttpResponse;
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import org.springframework.stereotype.Component;
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import org.springframework.web.server.ServerWebExchange;
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import org.springframework.web.server.WebFilterChain;
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import reactor.core.publisher.Mono;
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import we.flume.clients.log4j2appender.LogService;
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import we.stats.FlowStat;
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import we.stats.ratelimit.ResourceRateLimitConfig;
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import we.stats.ratelimit.ResourceRateLimitConfigService;
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import we.util.Constants;
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import we.util.ThreadContext;
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import we.util.WebUtils;
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import javax.annotation.Resource;
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/**
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* @author hongqiaowei
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*/
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@Component(GlobalFlowControlFilter.GLOBAL_FLOW_CONTROL_FILTER)
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@Order(-4)
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public class GlobalFlowControlFilter extends ProxyAggrFilter {
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private static final Logger log = LoggerFactory.getLogger(GlobalFlowControlFilter.class);
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public static final String GLOBAL_FLOW_CONTROL_FILTER = "globalFlowControlFilter";
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private static final String exceed = " exceed ";
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private static final String concurrents = " concurrents ";
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private static final String orQps = " or qps ";
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@NacosValue(value = "${flowControl:false}", autoRefreshed = true)
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@Value("${flowControl:false}")
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private boolean flowControl;
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@Resource
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private ResourceRateLimitConfigService resourceRateLimitConfigService;
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public static FlowStat flowStat = new FlowStat();
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public class GlobalFlowControlFilter extends AbsFlowControlFilter {
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public static final String GLOBAL_FLOW_CONTROL_FILTER = "globalFlowControlFilter";
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@Override
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public Mono<Void> doFilter(ServerWebExchange exchange, WebFilterChain chain) {
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if (flowControl) {
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long currentTimeSlot = flowStat.currentTimeSlotId();
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exchange.getAttributes().put("currentTimeSlot", currentTimeSlot);
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exchange.getAttributes().put(AbsFlowControlFilter.currentTimeSlot, currentTimeSlot);
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ResourceRateLimitConfig config = resourceRateLimitConfigService.getResourceRateLimitConfig(ResourceRateLimitConfig.GLOBAL);
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if (config.isEnable()) {
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// 有流控配置
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boolean concurrentOrRpsExceed = !flowStat.incrRequest(ResourceRateLimitConfig.GLOBAL, currentTimeSlot, config.concurrents, config.qps);
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if (concurrentOrRpsExceed) {
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// 如果超了,直接响应
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StringBuilder b = ThreadContext.getStringBuilder();
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b.append(WebUtils.getClientService(exchange)).append(Constants.Symbol.SPACE).append(WebUtils.getClientReqPath(exchange));
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b.append(exceed) .append(config.resource) .append(concurrents).append(config.concurrents).append(orQps).append(config.qps);
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log.warn(b.toString(), LogService.BIZ_ID, exchange.getRequest().getId());
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ServerHttpResponse resp = exchange.getResponse();
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resp.setStatusCode(HttpStatus.OK);
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resp.getHeaders().add(HttpHeaders.CONTENT_TYPE, config.responseType);
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return resp.writeWith(Mono.just(resp.bufferFactory().wrap(config.responseContent.getBytes())));
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return generateExceedResponse(exchange, config);
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}
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} else {
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flowStat.incrRequest(ResourceRateLimitConfig.GLOBAL, currentTimeSlot, null, null);
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}
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// 没配置或没超配置
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long start = System.currentTimeMillis();
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exchange.getAttributes().put("start", start);
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long start = System.currentTimeMillis();
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exchange.getAttributes().put(AbsFlowControlFilter.start, start);
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return chain.filter(exchange)
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.doOnSuccess(
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r -> {
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inTheEnd(exchange, start, currentTimeSlot, true);
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inTheEnd(exchange, ResourceRateLimitConfig.GLOBAL, start, currentTimeSlot, true);
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}
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)
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.doOnError(
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t -> {
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inTheEnd(exchange, start, currentTimeSlot, false);
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inTheEnd(exchange, ResourceRateLimitConfig.GLOBAL, start, currentTimeSlot, false);
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}
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)
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.doOnCancel(
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() -> {
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inTheEnd(exchange, start, currentTimeSlot, false);
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inTheEnd(exchange, ResourceRateLimitConfig.GLOBAL, start, currentTimeSlot, false);
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}
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);
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}
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return chain.filter(exchange);
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}
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|
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private void inTheEnd(ServerWebExchange exchange, long start, long currentTimeSlot, boolean success) {
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long spend = System.currentTimeMillis() - start;
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flowStat.decrConcurrentRequest(ResourceRateLimitConfig.GLOBAL, currentTimeSlot);
|
||||
flowStat.addRequestRT(ResourceRateLimitConfig.GLOBAL, currentTimeSlot, spend, success);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -1,55 +1,45 @@
|
||||
/*
|
||||
* Copyright (C) 2020 the original author or authors.
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
package we.filter;
|
||||
|
||||
import com.alibaba.nacos.api.config.annotation.NacosValue;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
import org.springframework.beans.factory.annotation.Value;
|
||||
import org.springframework.context.annotation.DependsOn;
|
||||
import org.springframework.core.annotation.Order;
|
||||
import org.springframework.http.HttpHeaders;
|
||||
import org.springframework.http.HttpStatus;
|
||||
import org.springframework.http.server.reactive.ServerHttpResponse;
|
||||
import org.springframework.stereotype.Component;
|
||||
import org.springframework.web.server.ServerWebExchange;
|
||||
import org.springframework.web.server.WebFilterChain;
|
||||
import reactor.core.publisher.Mono;
|
||||
import we.flume.clients.log4j2appender.LogService;
|
||||
import we.stats.FlowStat;
|
||||
import we.stats.ratelimit.ResourceRateLimitConfig;
|
||||
import we.stats.ratelimit.ResourceRateLimitConfigService;
|
||||
import we.util.Constants;
|
||||
import we.util.ThreadContext;
|
||||
import we.util.WebUtils;
|
||||
|
||||
import javax.annotation.Resource;
|
||||
/**
|
||||
* @author hongqiaowei
|
||||
*/
|
||||
|
||||
@Component(ServiceFlowControlFilter.SERVICE_FLOW_CONTROL_FILTER)
|
||||
@DependsOn(GlobalFlowControlFilter.GLOBAL_FLOW_CONTROL_FILTER)
|
||||
@Order(-3)
|
||||
public class ServiceFlowControlFilter extends ProxyAggrFilter {
|
||||
public class ServiceFlowControlFilter extends AbsFlowControlFilter {
|
||||
|
||||
private static final Logger log = LoggerFactory.getLogger(ServiceFlowControlFilter.class);
|
||||
|
||||
public static final String SERVICE_FLOW_CONTROL_FILTER = "serviceFlowControlFilter";
|
||||
|
||||
|
||||
private static final String exceed = " exceed ";
|
||||
private static final String concurrents = " concurrents ";
|
||||
private static final String orQps = " or qps ";
|
||||
|
||||
@NacosValue(value = "${flowControl:false}", autoRefreshed = true)
|
||||
@Value("${flowControl:false}")
|
||||
private boolean flowControl;
|
||||
|
||||
private FlowStat flowStat = GlobalFlowControlFilter.flowStat;
|
||||
|
||||
@Resource
|
||||
private ResourceRateLimitConfigService resourceRateLimitConfigService;
|
||||
public static final String SERVICE_FLOW_CONTROL_FILTER = "serviceFlowControlFilter";
|
||||
|
||||
@Override
|
||||
public Mono<Void> doFilter(ServerWebExchange exchange, WebFilterChain chain) {
|
||||
|
||||
if (flowControl) {
|
||||
long currentTimeSlot = exchange.getAttribute("currentTimeSlot");
|
||||
long currentTimeSlot = exchange.getAttribute(AbsFlowControlFilter.currentTimeSlot);
|
||||
String service = WebUtils.getClientService(exchange);
|
||||
ResourceRateLimitConfig config = resourceRateLimitConfigService.getResourceRateLimitConfig(service);
|
||||
|
||||
@@ -57,52 +47,32 @@ public class ServiceFlowControlFilter extends ProxyAggrFilter {
|
||||
config = resourceRateLimitConfigService.getResourceRateLimitConfig(ResourceRateLimitConfig.SERVICE_DEFAULT);
|
||||
}
|
||||
if (config == null || !config.isEnable()) {
|
||||
// 无服务流控配置
|
||||
flowStat.incrRequest(service, currentTimeSlot, null, null);
|
||||
} else {
|
||||
boolean concurrentOrRpsExceed = !flowStat.incrRequest(service, currentTimeSlot, config.concurrents, config.qps);
|
||||
if (concurrentOrRpsExceed ) {
|
||||
StringBuilder b = ThreadContext.getStringBuilder();
|
||||
b.append(service).append(Constants.Symbol.SPACE).append(WebUtils.getClientReqPath(exchange));
|
||||
b.append(exceed) .append(config.resource) .append(concurrents).append(config.concurrents).append(orQps).append(config.qps);
|
||||
log.warn(b.toString(), LogService.BIZ_ID, exchange.getRequest().getId());
|
||||
|
||||
ResourceRateLimitConfig gc = resourceRateLimitConfigService.getResourceRateLimitConfig(ResourceRateLimitConfig.GLOBAL);
|
||||
|
||||
ServerHttpResponse resp = exchange.getResponse();
|
||||
resp.setStatusCode(HttpStatus.OK);
|
||||
resp.getHeaders().add(HttpHeaders.CONTENT_TYPE, gc.responseType);
|
||||
return resp.writeWith(Mono.just(resp.bufferFactory().wrap(gc.responseContent.getBytes())));
|
||||
if (concurrentOrRpsExceed) {
|
||||
return generateExceedResponse(exchange, config);
|
||||
}
|
||||
}
|
||||
|
||||
// 没配置或没超配置
|
||||
long start = exchange.getAttribute("start");
|
||||
long start = exchange.getAttribute(AbsFlowControlFilter.start);
|
||||
return chain.filter(exchange)
|
||||
.doOnSuccess(
|
||||
r -> {
|
||||
inTheEnd(exchange, start, currentTimeSlot, true);
|
||||
inTheEnd(exchange, service, start, currentTimeSlot, true);
|
||||
}
|
||||
)
|
||||
.doOnError(
|
||||
t -> {
|
||||
inTheEnd(exchange, start, currentTimeSlot, false);
|
||||
inTheEnd(exchange, service, start, currentTimeSlot, false);
|
||||
}
|
||||
)
|
||||
.doOnCancel(
|
||||
() -> {
|
||||
inTheEnd(exchange, start, currentTimeSlot, false);
|
||||
inTheEnd(exchange, service, start, currentTimeSlot, false);
|
||||
}
|
||||
);
|
||||
}
|
||||
|
||||
return chain.filter(exchange);
|
||||
}
|
||||
|
||||
private void inTheEnd(ServerWebExchange exchange, long start, long currentTimeSlot, boolean success) {
|
||||
long spend = System.currentTimeMillis() - start;
|
||||
String service = WebUtils.getClientService(exchange);
|
||||
flowStat.decrConcurrentRequest(service, currentTimeSlot);
|
||||
flowStat.addRequestRT(service, currentTimeSlot, spend, success);
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user