1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef NET_QUIC_QUIC_CRYPTO_STREAM_H_
6 #define NET_QUIC_QUIC_CRYPTO_STREAM_H_
8 #include "net/quic/crypto/crypto_framer.h"
9 #include "net/quic/crypto/crypto_utils.h"
10 #include "net/quic/quic_config.h"
11 #include "net/quic/quic_protocol.h"
12 #include "net/quic/reliable_quic_stream.h"
16 class CryptoHandshakeMessage;
19 // Crypto handshake messages in QUIC take place over a reserved
20 // reliable stream with the id 1. Each endpoint (client and server)
21 // will allocate an instance of a subclass of QuicCryptoStream
22 // to send and receive handshake messages. (In the normal 1-RTT
23 // handshake, the client will send a client hello, CHLO, message.
24 // The server will receive this message and respond with a server
25 // hello message, SHLO. At this point both sides will have established
26 // a crypto context they can use to send encrypted messages.
28 // For more details: http://goto.google.com/quic-crypto
29 class NET_EXPORT_PRIVATE QuicCryptoStream
30 : public ReliableQuicStream,
31 public CryptoFramerVisitorInterface {
33 explicit QuicCryptoStream(QuicSession* session);
35 // CryptoFramerVisitorInterface implementation
36 virtual void OnError(CryptoFramer* framer) OVERRIDE;
37 virtual void OnHandshakeMessage(
38 const CryptoHandshakeMessage& message) OVERRIDE;
40 // ReliableQuicStream implementation
41 virtual uint32 ProcessData(const char* data, uint32 data_len) OVERRIDE;
43 // Sends |message| to the peer.
44 // TODO(wtc): return a success/failure status.
45 void SendHandshakeMessage(const CryptoHandshakeMessage& message);
47 bool encryption_established() { return encryption_established_; }
48 bool handshake_confirmed() { return handshake_confirmed_; }
50 const QuicCryptoNegotiatedParameters& crypto_negotiated_params() const;
53 bool encryption_established_;
54 bool handshake_confirmed_;
56 QuicCryptoNegotiatedParameters crypto_negotiated_params_;
59 CryptoFramer crypto_framer_;
61 DISALLOW_COPY_AND_ASSIGN(QuicCryptoStream);
66 #endif // NET_QUIC_QUIC_CRYPTO_STREAM_H_