完善日志中间件

FastGithub.ReverseProxy/RequestLoggingMilldeware.cs

@@ -1,5 +1,6 @@
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Logging;
+using System;
 using System.Diagnostics;
 using System.Threading.Tasks;
 
@@ -45,14 +46,15 @@ namespace FastGithub.ReverseProxy
             var response = context.Response;
             var message = $"{request.Method} {request.Scheme}://{request.Host}{request.Path} responded {response.StatusCode} in {stopwatch.Elapsed.TotalMilliseconds} ms";
 
-            if (500 <= response.StatusCode && response.StatusCode <= 599)
-            {
-                this.logger.LogError(message);
-            }
-            else
+            var exception = context.GetForwarderErrorFeature()?.Exception;
+            if (exception == null)
             {
                 this.logger.LogInformation(message);
             }
+            else
+            {
+                this.logger.LogError($"{message}{Environment.NewLine}{exception.Message}");
+            }
         }
     }
 }

FastGithub.ReverseProxy/ReverseProxyMiddleware.cs

@@ -60,7 +60,7 @@ namespace FastGithub.ReverseProxy
                 using var httpClient = new HttpClient(this.httpClientHanlder, tlsSniPattern);
 
                 var error = await httpForwarder.SendAsync(context, destinationPrefix, httpClient, requestConfig);
-                await ResponseErrorAsync(context, error);
+                await HandleErrorAsync(context, error);
             }
         }
 
@@ -85,12 +85,12 @@ namespace FastGithub.ReverseProxy
         }
 
         /// <summary>
-        /// 写入错误信息
+        /// 处理错误信息
         /// </summary>
         /// <param name="context"></param>
         /// <param name="error"></param>
         /// <returns></returns>
-        private static async Task ResponseErrorAsync(HttpContext context, ForwarderError error)
+        private static async Task HandleErrorAsync(HttpContext context, ForwarderError error)
         {
             if (error == ForwarderError.None)
             {