tree 2bcbd26faaf2b46102e6a320fae5bbb8e4cfaef6
parent 18f9a35da58ac8dccaa9a6ede0e4ec41e78994a7
author dschinazi <dschinazi@google.com> 1559160525 -0700
committer Copybara-Service <copybara-worker@google.com> 1559160673 -0700

Add a client connection ID to version negotiation packet creation

This CL adds a new client_connection_id parameter to the functions that build version negotiation packets, and pass it through to AppendIetfConnectionIds instead of EmptyQuicConnectionId. All callers of this function call it with EmptyQuicConnectionId. To verify this we have a DCHECK that makes sure client_connection_id is empty when the disabled flag quic_do_not_override_connection_id is false. This CL also adds QuicVersion::SupportsClientConnectionIds which subsequent CLs will build on.

gfe-relnote: no functional change, add function parameter that is always empty, not flag-protected
PiperOrigin-RevId: 250551156
Change-Id: I378c67df16fc262145c5c88a76ca5440f72a29d8