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Side by Side Diff: net/quic/quic_crypto_server_stream.h

Issue 992733002: Remove //net (except for Android test stuff) and sdch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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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.
4
5 #ifndef NET_QUIC_QUIC_CRYPTO_SERVER_STREAM_H_
6 #define NET_QUIC_QUIC_CRYPTO_SERVER_STREAM_H_
7
8 #include <string>
9
10 #include "net/quic/crypto/crypto_handshake.h"
11 #include "net/quic/crypto/quic_crypto_server_config.h"
12 #include "net/quic/quic_config.h"
13 #include "net/quic/quic_crypto_stream.h"
14
15 namespace net {
16
17 class CachedNetworkParameters;
18 class CryptoHandshakeMessage;
19 class QuicCryptoServerConfig;
20 class QuicCryptoServerStream;
21 class QuicSession;
22 class SourceAddressTokens;
23
24 namespace test {
25 class CryptoTestUtils;
26 } // namespace test
27
28 // Receives a notification when the server hello (SHLO) has been ACKed by the
29 // peer. At this point we disable HANDSHAKE_MODE in the sent packet manager.
30 class NET_EXPORT_PRIVATE ServerHelloNotifier : public
31 QuicAckNotifier::DelegateInterface {
32 public:
33 explicit ServerHelloNotifier(QuicCryptoServerStream* stream)
34 : server_stream_(stream) {}
35
36 // QuicAckNotifier::DelegateInterface implementation
37 void OnAckNotification(int num_retransmitted_packets,
38 int num_retransmitted_bytes,
39 QuicTime::Delta delta_largest_observed) override;
40
41 private:
42 ~ServerHelloNotifier() override {}
43
44 QuicCryptoServerStream* server_stream_;
45
46 DISALLOW_COPY_AND_ASSIGN(ServerHelloNotifier);
47 };
48
49 class NET_EXPORT_PRIVATE QuicCryptoServerStream : public QuicCryptoStream {
50 public:
51 QuicCryptoServerStream(const QuicCryptoServerConfig& crypto_config,
52 QuicSession* session);
53 ~QuicCryptoServerStream() override;
54
55 // Cancel any outstanding callbacks, such as asynchronous validation of client
56 // hello.
57 void CancelOutstandingCallbacks();
58
59 // CryptoFramerVisitorInterface implementation
60 void OnHandshakeMessage(const CryptoHandshakeMessage& message) override;
61
62 // GetBase64SHA256ClientChannelID sets |*output| to the base64 encoded,
63 // SHA-256 hash of the client's ChannelID key and returns true, if the client
64 // presented a ChannelID. Otherwise it returns false.
65 bool GetBase64SHA256ClientChannelID(std::string* output) const;
66
67 uint8 num_handshake_messages() const { return num_handshake_messages_; }
68
69 int num_server_config_update_messages_sent() const {
70 return num_server_config_update_messages_sent_;
71 }
72
73 // Sends the latest server config and source-address token to the client.
74 virtual void SendServerConfigUpdate(
75 const CachedNetworkParameters* cached_network_params);
76
77 // Called by the ServerHello AckNotifier once the SHLO has been ACKed by the
78 // client.
79 void OnServerHelloAcked();
80
81 void set_previous_cached_network_params(
82 CachedNetworkParameters cached_network_params);
83
84 const CachedNetworkParameters* previous_cached_network_params() const;
85
86 protected:
87 virtual QuicErrorCode ProcessClientHello(
88 const CryptoHandshakeMessage& message,
89 const ValidateClientHelloResultCallback::Result& result,
90 CryptoHandshakeMessage* reply,
91 std::string* error_details);
92
93 // Hook that allows the server to set QuicConfig defaults just
94 // before going through the parameter negotiation step.
95 virtual void OverrideQuicConfigDefaults(QuicConfig* config);
96
97 private:
98 friend class test::CryptoTestUtils;
99
100 class ValidateCallback : public ValidateClientHelloResultCallback {
101 public:
102 explicit ValidateCallback(QuicCryptoServerStream* parent);
103 // To allow the parent to detach itself from the callback before deletion.
104 void Cancel();
105
106 // From ValidateClientHelloResultCallback
107 void RunImpl(const CryptoHandshakeMessage& client_hello,
108 const Result& result) override;
109
110 private:
111 QuicCryptoServerStream* parent_;
112
113 DISALLOW_COPY_AND_ASSIGN(ValidateCallback);
114 };
115
116 // Invoked by ValidateCallback::RunImpl once initial validation of
117 // the client hello is complete. Finishes processing of the client
118 // hello message and handles handshake success/failure.
119 void FinishProcessingHandshakeMessage(
120 const CryptoHandshakeMessage& message,
121 const ValidateClientHelloResultCallback::Result& result);
122
123 // crypto_config_ contains crypto parameters for the handshake.
124 const QuicCryptoServerConfig& crypto_config_;
125
126 // Pointer to the active callback that will receive the result of
127 // the client hello validation request and forward it to
128 // FinishProcessingHandshakeMessage for processing. nullptr if no
129 // handshake message is being validated.
130 ValidateCallback* validate_client_hello_cb_;
131
132 // Number of handshake messages received by this stream.
133 uint8 num_handshake_messages_;
134
135 // Number of server config update (SCUP) messages sent by this stream.
136 int num_server_config_update_messages_sent_;
137
138 // If the client provides CachedNetworkParameters in the STK in the CHLO, then
139 // store here, and send back in future STKs if we have no better bandwidth
140 // estimate to send.
141 scoped_ptr<CachedNetworkParameters> previous_cached_network_params_;
142
143 // Contains any source address tokens which were present in the CHLO.
144 SourceAddressTokens previous_source_address_tokens_;
145
146 DISALLOW_COPY_AND_ASSIGN(QuicCryptoServerStream);
147 };
148
149 } // namespace net
150
151 #endif // NET_QUIC_QUIC_CRYPTO_SERVER_STREAM_H_
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