feat: 代理调试版本

internal/errors/ignorable_errors.go

@@ -0,0 +1,31 @@
+package errors
+
+import (
+	"strings"
+)
+
+// ignorableErrorSubstrings contains a list of substrings that indicate an error
+// can be safely ignored. These typically occur when a client disconnects prematurely.
+var ignorableErrorSubstrings = []string{
+	"context canceled",
+	"connection reset by peer",
+	"broken pipe",
+	"use of closed network connection",
+	"request canceled",
+}
+
+// IsIgnorableError checks if the given error is a common, non-critical error
+// that can occur when a client disconnects. This is used to prevent logging
+// unnecessary errors and to avoid marking keys as failed for client-side issues.
+func IsIgnorableError(err error) bool {
+	if err == nil {
+		return false
+	}
+	errStr := err.Error()
+	for _, sub := range ignorableErrorSubstrings {
+		if strings.Contains(errStr, sub) {
+			return true
+		}
+	}
+	return false
+}