app-init

internal/navicat/error.go

@@ -0,0 +1,45 @@
+package navicat
+
+import "fmt"
+
+// Error is a tunnel-layer or remote MySQL error. It never includes passwords or tokens.
+type Error struct {
+	Kind       string // http, tunnel, mysql
+	HTTPStatus int
+	Errno      uint32
+	Message    string
+}
+
+func (e *Error) Error() string {
+	if e == nil {
+		return ""
+	}
+	msg := e.Message
+	if msg == "" {
+		msg = "unknown error"
+	}
+	switch e.Kind {
+	case "http":
+		if e.HTTPStatus != 0 {
+			return fmt.Sprintf("tunnel http %d: %s", e.HTTPStatus, msg)
+		}
+		return "tunnel http: " + msg
+	case "mysql":
+		return fmt.Sprintf("mysql errno %d: %s", e.Errno, msg)
+	default:
+		return fmtErrno(e.Errno, msg)
+	}
+}
+
+func headerError(h Header, httpStatus int) *Error {
+	kind := "tunnel"
+	switch h.Errno {
+	case ErrnoUnsupportedPHP, ErrnoInvalidParams, ErrnoMySQLMissing, ErrnoInvalidToken:
+		kind = "tunnel"
+	default:
+		if h.Errno > 0 {
+			kind = "mysql"
+		}
+	}
+	return &Error{Kind: kind, HTTPStatus: httpStatus, Errno: h.Errno, Message: h.Message}
+}