net/tools/quic/quic_server_session.h

   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 // A server specific QuicSession subclass.
   6
   7 #ifndef NET_TOOLS_QUIC_QUIC_SERVER_SESSION_H_
   8 #define NET_TOOLS_QUIC_QUIC_SERVER_SESSION_H_
   9
  10 #include <set>
  11 #include <vector>
  12
  13 #include "base/basictypes.h"
  14 #include "base/containers/hash_tables.h"
  15 #include "base/memory/scoped_ptr.h"
  16 #include "net/quic/quic_crypto_server_stream.h"
  17 #include "net/quic/quic_protocol.h"
  18 #include "net/quic/quic_session.h"
  19
  20 namespace net {
  21
  22 class QuicBlockedWriterInterface;
  23 class QuicConfig;
  24 class QuicConnection;
  25 class QuicCryptoServerConfig;
  26 class ReliableQuicStream;
  27
  28 namespace tools {
  29
  30 namespace test {
  31 class QuicServerSessionPeer;
  32 }  // namespace test
  33
  34 // An interface from the session to the entity owning the session.
  35 // This lets the session notify its owner (the Dispatcher) when the connection
  36 // is closed or blocked.
  37 class QuicServerSessionVisitor {
  38  public:
  39   virtual ~QuicServerSessionVisitor() {}
  40
  41   virtual void OnConnectionClosed(QuicGuid guid, QuicErrorCode error) = 0;
  42   virtual void OnWriteBlocked(QuicBlockedWriterInterface* writer) = 0;
  43 };
  44
  45 class QuicServerSession : public QuicSession {
  46  public:
  47   QuicServerSession(const QuicConfig& config,
  48                     QuicConnection *connection,
  49                     QuicServerSessionVisitor* visitor);
  50
  51   // Override the base class to notify the owner of the connection close.
  52   virtual void OnConnectionClosed(QuicErrorCode error, bool from_peer) OVERRIDE;
  53   virtual void OnWriteBlocked() OVERRIDE;
  54
  55   virtual ~QuicServerSession();
  56
  57   virtual void InitializeSession(const QuicCryptoServerConfig& crypto_config);
  58
  59   const QuicCryptoServerStream* crypto_stream() const {
  60     return crypto_stream_.get();
  61   }
  62
  63  protected:
  64   // QuicSession methods:
  65   virtual QuicDataStream* CreateIncomingDataStream(QuicStreamId id) OVERRIDE;
  66   virtual QuicDataStream* CreateOutgoingDataStream() OVERRIDE;
  67   virtual QuicCryptoServerStream* GetCryptoStream() OVERRIDE;
  68
  69   // If we should create an incoming stream, returns true. Otherwise
  70   // does error handling, including communicating the error to the client and
  71   // possibly closing the connection, and returns false.
  72   virtual bool ShouldCreateIncomingDataStream(QuicStreamId id);
  73
  74   virtual QuicCryptoServerStream* CreateQuicCryptoServerStream(
  75     const QuicCryptoServerConfig& crypto_config);
  76
  77  private:
  78   friend class test::QuicServerSessionPeer;
  79
  80   scoped_ptr<QuicCryptoServerStream> crypto_stream_;
  81   QuicServerSessionVisitor* visitor_;
  82
  83   DISALLOW_COPY_AND_ASSIGN(QuicServerSession);
  84 };
  85
  86 }  // namespace tools
  87 }  // namespace net
  88
  89 #endif  // NET_TOOLS_QUIC_QUIC_SERVER_SESSION_H_