From 96ac98a86252591a3c2e1f50c3ba286cde381201 Mon Sep 17 00:00:00 2001
From: Marten Seemann <martenseemann@gmail.com>
Date: Fri, 6 Nov 2020 12:35:49 +0700
Subject: [PATCH] add the NO_VIABLE_PATH error

---
 internal/qerr/error_codes.go | 3 +++
 qlog/types.go                | 2 ++
 qlog/types_test.go           | 1 +
 3 files changed, 6 insertions(+)

diff --git a/internal/qerr/error_codes.go b/internal/qerr/error_codes.go
index 114210b74..7ac11603d 100644
--- a/internal/qerr/error_codes.go
+++ b/internal/qerr/error_codes.go
@@ -27,6 +27,7 @@ const (
 	CryptoBufferExceeded    ErrorCode = 0xd
 	KeyUpdateError          ErrorCode = 0xe
 	AEADLimitReached        ErrorCode = 0xf
+	NoViablePathError       ErrorCode = 0x10
 )
 
 func (e ErrorCode) isCryptoError() bool {
@@ -83,6 +84,8 @@ func (e ErrorCode) String() string {
 		return "KEY_UPDATE_ERROR"
 	case AEADLimitReached:
 		return "AEAD_LIMIT_REACHED"
+	case NoViablePathError:
+		return "NO_VIABLE_PATH"
 	default:
 		if e.isCryptoError() {
 			return fmt.Sprintf("CRYPTO_ERROR (%#x)", uint16(e))
diff --git a/qlog/types.go b/qlog/types.go
index d364f5567..50202c6c9 100644
--- a/qlog/types.go
+++ b/qlog/types.go
@@ -213,6 +213,8 @@ func (e transportError) String() string {
 		return "key_update_error"
 	case qerr.AEADLimitReached:
 		return "aead_limit_reached"
+	case qerr.NoViablePathError:
+		return "no_viable_path"
 	default:
 		return ""
 	}
diff --git a/qlog/types_test.go b/qlog/types_test.go
index 434398beb..276ff7127 100644
--- a/qlog/types_test.go
+++ b/qlog/types_test.go
@@ -121,6 +121,7 @@ var _ = Describe("Types", func() {
 			Expect(transportError(qerr.InvalidToken).String()).To(Equal("invalid_token"))
 			Expect(transportError(qerr.ApplicationError).String()).To(Equal("application_error"))
 			Expect(transportError(qerr.CryptoBufferExceeded).String()).To(Equal("crypto_buffer_exceeded"))
+			Expect(transportError(qerr.NoViablePathError).String()).To(Equal("no_viable_path"))
 			Expect(transportError(1337).String()).To(BeEmpty())
 		})
 	})