新增超时转移逻辑

src/main/java/com/nanyan/securitylink/config/AppConfig.java

@@ -12,6 +12,12 @@ import org.springframework.context.annotation.Configuration;
 public class AppConfig {
     @Value("${alert.host}")
     String alertHost;
+    @Value("${gateway.request.timeout:100000}")
+    private int requestTimeout;
+
+    public int getRequestTimeout() {
+        return requestTimeout;
+    }
 
     public String getAlertHost() {
         return alertHost;

src/main/java/com/nanyan/securitylink/filter/FailoverGatewayFilterFactory.java

@@ -2,6 +2,7 @@ package com.nanyan.securitylink.filter;
 
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.JSONObject;
+import com.nanyan.securitylink.config.AppConfig;
 import com.nanyan.securitylink.service.AlertService;
 import com.nanyan.securitylink.service.TokenRouteMappingService;
 import lombok.Data;
@@ -21,7 +22,9 @@ import org.springframework.web.reactive.function.BodyInserters;
 import org.springframework.web.reactive.function.client.WebClient;
 import org.springframework.web.server.ServerWebExchange;
 import reactor.core.publisher.Mono;
+
 import java.nio.charset.StandardCharsets;
+import java.time.Duration;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
@@ -36,8 +39,11 @@ public class FailoverGatewayFilterFactory extends AbstractGatewayFilterFactory<F
     private static final int WINDOW_SIZE_SECONDS = 100; // 1分钟窗口
     private static final double ERROR_THRESHOLD = 0.5; // 75%错误率阈值
     private static Long lastAlarmTime = System.currentTimeMillis();
+
     @Autowired
     AlertService alertService;
+    @Autowired
+    AppConfig appConfig;
     private final Map<String, CircularQueue> errorStatsMap = new ConcurrentHashMap<>();
 
     public FailoverGatewayFilterFactory(WebClient.Builder webClientBuilder,
@@ -98,7 +104,7 @@ public class FailoverGatewayFilterFactory extends AbstractGatewayFilterFactory<F
     private boolean shouldSkipPrimary(String primaryUrl) {
         CircularQueue stats = getOrCreateErrorStats(primaryUrl);
         double errorRate = stats.getErrorRate();
-        log.info("rate: {}%, url: {}",errorRate * 100, primaryUrl);
+        log.info("rate: {}%, url: {}", errorRate * 100, primaryUrl);
         boolean skip = errorRate >= ERROR_THRESHOLD;
         if (skip) {
             // 发送告警
@@ -108,13 +114,15 @@ public class FailoverGatewayFilterFactory extends AbstractGatewayFilterFactory<F
         }
         return skip;
     }
+
     private final Map<String, Long> alarmSentMap = new ConcurrentHashMap<>();
+
     private void sendAlarmIfNeeded(String primaryUrl, double errorRate) {
         long currentTime = System.currentTimeMillis();
         Long lastAlarmTime = alarmSentMap.get(primaryUrl);
 
         // 如果从未发送过告警，或者距离上次告警已经超过冷却时间
-        if (lastAlarmTime == null || (currentTime - lastAlarmTime) > 20*60*1000) {
+        if (lastAlarmTime == null || (currentTime - lastAlarmTime) > 20 * 60 * 1000) {
             String alarmMessage = String.format(
                     "Service degradation detected: %s has high error rate (%.2f%%), switching to fallback service",
                     primaryUrl, errorRate * 100);
@@ -146,6 +154,7 @@ public class FailoverGatewayFilterFactory extends AbstractGatewayFilterFactory<F
                                     log.info("Found matching URI config for token: {}, sourceUri: {}", token, sourceUri);
                                     String primaryUrl = uriConfig.getPrimaryUrl();
                                     CircularQueue errorStats = getOrCreateErrorStats(primaryUrl);
+                                    long startTime = System.currentTimeMillis();
                                     // 检查是否应该跳过主地址
                                     if (shouldSkipPrimary(uriConfig.getPrimaryUrl())) {
                                         //告警日志
@@ -172,10 +181,14 @@ public class FailoverGatewayFilterFactory extends AbstractGatewayFilterFactory<F
                                             exchange,
                                             true,
                                             errorStats
-                                    ).onErrorResume(primaryError -> {
+                                    ).timeout(Duration.ofMillis(appConfig.getRequestTimeout()))
+                                            .onErrorResume(primaryError -> {
                                                 log.error("Primary endpoint failed: {}, error: {}",
                                                         uriConfig.getPrimaryUrl() + sourceUri,
                                                         primaryError.getMessage());
+                                                long duration = System.currentTimeMillis() - startTime;
+                                                log.info("Source request timed out after {}ms, switching to target: {}",
+                                                        duration, uriConfig.getTargetUri());
                                                 // 记录错误
                                                 getOrCreateErrorStats(uriConfig.getPrimaryUrl()).add(false);
 
@@ -275,7 +288,7 @@ public class FailoverGatewayFilterFactory extends AbstractGatewayFilterFactory<F
 
     private Mono<Void> handleResponse(ServerWebExchange exchange,
                                       org.springframework.web.reactive.function.client.ClientResponse clientResponse,
-                                      boolean isSourceRequest,CircularQueue errorStats) {
+                                      boolean isSourceRequest, CircularQueue errorStats) {
         HttpStatus responseStatus = clientResponse.statusCode();
 
         if (isSourceRequest) {
@@ -297,19 +310,19 @@ public class FailoverGatewayFilterFactory extends AbstractGatewayFilterFactory<F
                             JSONObject jsonBody = JSON.parseObject(body);
                             boolean success = false;
                             String bodyStatus = "";
-                            if(jsonBody.containsKey("status")){
+                            if (jsonBody.containsKey("status")) {
                                 Integer status = jsonBody.getInteger("status");
-                                bodyStatus = status +"";
+                                bodyStatus = status + "";
                             }
-                            if(jsonBody.containsKey("answer")){
+                            if (jsonBody.containsKey("answer")) {
                                 success = true;
                             }
 
-                            if(jsonBody.containsKey("data")){
+                            if (jsonBody.containsKey("data")) {
                                 JSONObject data = jsonBody.getJSONObject("data");
-                                if (data.containsKey("status")){
+                                if (data.containsKey("status")) {
                                     String status = data.getString("status");
-                                    if("succeeded".equalsIgnoreCase(status)){
+                                    if ("succeeded".equalsIgnoreCase(status)) {
                                         success = true;
                                     }
                                     bodyStatus = status;