Prototype of a callback that can be installed by the application at the
rustls_server_config
or rustls_client_config
. This callback will be
invoked by a TLS session when looking up the data for a TLS session id.
userdata
will be supplied based on rustls_{client,server}_session_set_userdata.
Prototype of a callback that can be installed by the application at the
rustls_server_config
or rustls_client_config
. This callback will be
invoked by a TLS session when a TLS session has been created and an id
for later use is handed to the client/has been received from the server.
userdata
will be supplied based on rustls_{client,server}_session_set_userdata.
Any context information the callback will receive when invoked.