commit ac52a86ba8de40b89f111a87cd07f1932caa8459
author nharper <nharper@google.com> Mon Jun 08 12:41:06 2020 -0700
committer Copybara-Service <copybara-worker@google.com> Mon Jun 08 12:41:41 2020 -0700
tree 323c7a0bbc9dcd487ce0606e29a647c8c125e211
parent 58879516a1fe658dec5fffbd80baa317d7e8b3d3

Add support for accepting 0-RTT in TlsServerHandshaker

This adds support at the crypto handshake layer for supporting 0-RTT TLS
handshakes on the server. Part of this support includes receiving a signal
from the application layer, via a new method
QuicCryptoStream::SetServerApplicationStateForResumption. This method
replaces the previously client-only
QuicCryptoClientStream::OnApplicationState.

Introduce quic 0-rtt tls support, protected by quic_enable_zero_rtt_for_tls

PiperOrigin-RevId: 315331343
Change-Id: Ife83cf526be38bd4f5c8a3de0e6cd4c40be6f7ae

quic/core/tls_client_handshaker.cc

diff --git a/quic/core/tls_client_handshaker.cc b/quic/core/tls_client_handshaker.cc
index 864040c..cf754ec 100644
--- a/quic/core/tls_client_handshaker.cc
+++ b/quic/core/tls_client_handshaker.cc
@@ -149,7 +149,7 @@
   session()->OnConfigNegotiated();
 
   if (has_application_state_) {
-    if (!session()->SetApplicationState(cached_state->application_state)) {
+    if (!session()->ResumeApplicationState(cached_state->application_state)) {
       QUIC_BUG << "Unable to parse cached application state.";
       CloseConnection(QUIC_HANDSHAKE_FAILED,
                       "Client failed to parse cached application state.");
@@ -617,7 +617,7 @@
   TlsHandshaker::WriteMessage(level, data);
 }
 
-void TlsClientHandshaker::OnApplicationState(
+void TlsClientHandshaker::SetServerApplicationStateForResumption(
     std::unique_ptr<ApplicationState> application_state) {
   DCHECK_EQ(STATE_HANDSHAKE_COMPLETE, state_);
   received_application_state_ = std::move(application_state);