Expand description
The upgrade of a request to a WebSocket or to SPDY, by the protocols the client asks for.
Constants§
- ACCEPTED_
PROTOCOL_ 🔒VERSIONS_ HEADER - The protocols the server supports, if it supports none of the client.
- PROTOCOL_
VERSION_ 🔒HEADER - The streaming protocols of a SPDY upgrade request, and the one the server picked in the response.
- SPDY_31 🔒
- The upgrade SPDY clients ask for, of exec, attach and port forwarding.