http2: add altsvc support

Add support for sending and receiving ALTSVC frames.

PR-URL: https://github.com/nodejs/node/pull/17917
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/env.h b/src/env.h
index abd089dddd..88c0023707 100644
--- a/src/env.h
+++ b/src/env.h
@@ -179,6 +179,7 @@ class ModuleWrap;
   V(netmask_string, "netmask")                                                \
   V(nsname_string, "nsname")                                                  \
   V(ocsp_request_string, "OCSPRequest")                                       \
+  V(onaltsvc_string, "onaltsvc")                                              \
   V(onchange_string, "onchange")                                              \
   V(onclienthello_string, "onclienthello")                                    \
   V(oncomplete_string, "oncomplete")                                          \