fix scg start time err

spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/util/PolarisCircuitBreakerUtils.java

@@ -77,7 +77,7 @@ public final class PolarisCircuitBreakerUtils {
 			if (Objects.nonNull(e.getFallbackInfo())) {
 				result.setRetCode(e.getFallbackInfo().getCode());
 			}
-			consumerAPI.updateServiceCallResult(result);
+//			consumerAPI.updateServiceCallResult(result);
 		}
 		catch (Throwable ex) {
 			LOG.error("[CircuitBreaker] report circuitbreaker call result fail ", ex);

spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/constant/HeaderConstant.java

@@ -47,8 +47,6 @@ public final class HeaderConstant {
 	 */
 	public static final String INTERNAL_CALLEE_INSTANCE_PORT = "internal-callee-instance-port";
 
-	public static final String INTERNAL_CALL_START_TIME = "internal-call-start-time";
-
 	private HeaderConstant() {
 	}
 }

spring-cloud-tencent-rpc-enhancement/src/main/java/com/tencent/cloud/rpc/enhancement/config/RpcEnhancementAutoConfiguration.java

@@ -29,6 +29,7 @@ import com.tencent.cloud.rpc.enhancement.feign.plugin.EnhancedFeignPlugin;
 import com.tencent.cloud.rpc.enhancement.feign.plugin.reporter.ExceptionPolarisReporter;
 import com.tencent.cloud.rpc.enhancement.feign.plugin.reporter.SuccessPolarisReporter;
 import com.tencent.cloud.rpc.enhancement.resttemplate.BlockingLoadBalancerClientAspect;
+import com.tencent.cloud.rpc.enhancement.scg.RecordRequestStartTimeGlobalFilter;
 import com.tencent.cloud.rpc.enhancement.webclient.PolarisLoadBalancerClientRequestTransformer;
 import com.tencent.cloud.rpc.enhancement.scg.EnhancedPolarisGatewayReporter;
 import com.tencent.cloud.rpc.enhancement.resttemplate.EnhancedPolarisRestTemplateReporter;
@@ -209,5 +210,11 @@ public class RpcEnhancementAutoConfiguration {
 			return new EnhancedPolarisGatewayReporter(properties, context, consumerAPI, circuitBreakAPI);
 		}
 
+		@Bean
+		@ConditionalOnClass(name = "org.springframework.cloud.gateway.filter.GlobalFilter")
+		public RecordRequestStartTimeGlobalFilter recordRequestStartTimeGlobalFilter() {
+			return new RecordRequestStartTimeGlobalFilter();
+		}
+
 	}
 }

spring-cloud-tencent-rpc-enhancement/src/main/java/com/tencent/cloud/rpc/enhancement/scg/EnhancedPolarisGatewayReporter.java

@@ -36,6 +36,7 @@ import org.springframework.http.server.reactive.ServerHttpRequest;
 import org.springframework.http.server.reactive.ServerHttpResponse;
 import org.springframework.web.server.ServerWebExchange;
 
+import static com.tencent.cloud.rpc.enhancement.scg.RecordRequestStartTimeGlobalFilter.START_TIME;
 import static org.springframework.cloud.gateway.support.ServerWebExchangeUtils.GATEWAY_LOADBALANCER_RESPONSE_ATTR;
 
 /**
@@ -70,17 +71,20 @@ public class EnhancedPolarisGatewayReporter extends AbstractPolarisReporterAdapt
 		if (!reportProperties.isEnabled()) {
 			return chain.filter(exchange);
 		}
-		long startTime = System.currentTimeMillis();
 		return chain.filter(exchange)
-				.doOnSuccess(v -> instrumentResponse(exchange, null, startTime))
-				.doOnError(t -> instrumentResponse(exchange, t, startTime));
+				.doOnSuccess(v -> instrumentResponse(exchange, null))
+				.doOnError(t -> instrumentResponse(exchange, t));
 	}
 
-	private void instrumentResponse(ServerWebExchange exchange, Throwable t, long startTime) {
+	private void instrumentResponse(ServerWebExchange exchange, Throwable t) {
 		ServerHttpResponse response = exchange.getResponse();
 		ServerHttpRequest request = exchange.getRequest();
 
-		long delay = System.currentTimeMillis() - startTime;
+		long delay = 0L;
+		Long startTime = exchange.getAttribute(START_TIME);
+		if (startTime != null) {
+			delay = System.currentTimeMillis() - startTime;
+		}
 		String serviceId = null;
 		String targetHost = null;
 		Integer targetPort = null;

spring-cloud-tencent-rpc-enhancement/src/main/java/com/tencent/cloud/rpc/enhancement/scg/RecordRequestStartTimeGlobalFilter.java

@@ -0,0 +1,46 @@
+/*
+ * Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
+ *
+ * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
+ *
+ * Licensed under the BSD 3-Clause License (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://opensource.org/licenses/BSD-3-Clause
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+
+package com.tencent.cloud.rpc.enhancement.scg;
+
+import reactor.core.publisher.Mono;
+
+import org.springframework.cloud.gateway.filter.GatewayFilterChain;
+import org.springframework.cloud.gateway.filter.GlobalFilter;
+import org.springframework.core.Ordered;
+import org.springframework.web.server.ServerWebExchange;
+
+/**
+ * RecordRequestStartTimeGlobalFilter.
+ *
+ * @author sean yu
+ */
+public class RecordRequestStartTimeGlobalFilter implements GlobalFilter, Ordered {
+
+	public static final String START_TIME = "START_TIME";
+
+	@Override
+	public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
+		exchange.getAttributes().put(START_TIME, System.currentTimeMillis());
+		return chain.filter(exchange);
+	}
+
+	@Override
+	public int getOrder() {
+		return Ordered.HIGHEST_PRECEDENCE;
+	}
+}