Persist server's crypto config data to disk cache for 0-RTT

net/quic/quic_crypto_client_stream.h

Index: net/quic/quic_crypto_client_stream.h
diff --git a/net/quic/quic_crypto_client_stream.h b/net/quic/quic_crypto_client_stream.h
index 1ca423f012b25c022000d69ac2cc0cdb77d20c87..8712a557934acc21f276b0a628d6fb9a6e13be7e 100644
--- a/net/quic/quic_crypto_client_stream.h
+++ b/net/quic/quic_crypto_client_stream.h
@@ -48,6 +48,8 @@ class NET_EXPORT_PRIVATE QuicCryptoClientStream : public QuicCryptoStream {
   // Gets the SSL connection information.
   virtual bool GetSSLInfo(SSLInfo* ssl_info);
 
+  void OnIOComplete(int result);
+
  private:
   // ProofVerifierCallbackImpl is passed as the callback method to VerifyProof.
   // The ProofVerifier calls this class with the result of proof verification
@@ -75,6 +77,7 @@ class NET_EXPORT_PRIVATE QuicCryptoClientStream : public QuicCryptoStream {
 
   enum State {
     STATE_IDLE,
+    STATE_LOAD_QUIC_SERVER_INFO,
     STATE_SEND_CHLO,
     STATE_RECV_REJ,
     STATE_VERIFY_PROOF,
@@ -86,6 +89,10 @@ class NET_EXPORT_PRIVATE QuicCryptoClientStream : public QuicCryptoStream {
   // |in| may be NULL if the call did not result from a received message
   void DoHandshakeLoop(const CryptoHandshakeMessage* in);
 
+  // Calls QuicServerInfo's WaitForDataReady to load the server information from
+  // the disk cache.
+  int DoLoadQuicServerInfo(QuicCryptoClientConfig::CachedState* cached);

[wtc, 2014/02/07 00:54:11]

Right now STATE_LOAD_QUIC_SERVER_INFO is the only state that has a DoXXX
function.

Please add a TODO comment to convert the other states of the state machine into
DoXXX functions. Alternatively, just inline this function into DoHandshakeLoop.

[ramant (doing other things), 2014/02/07 20:30:51]

Added a TODO.

Done.

+
   State next_state_;
   // num_client_hellos_ contains the number of client hello messages that this
   // connection has sent.