Remove //net (except for Android test stuff) and sdch

net/quic/quic_session.h

Index: net/quic/quic_session.h
diff --git a/net/quic/quic_session.h b/net/quic/quic_session.h
deleted file mode 100644
index 0d20b9b28157e3b94eb3a4bb25d52902d04065ed..0000000000000000000000000000000000000000
--- a/net/quic/quic_session.h
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-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-//
-// A QuicSession, which demuxes a single connection to individual streams.
-
-#ifndef NET_QUIC_QUIC_SESSION_H_
-#define NET_QUIC_QUIC_SESSION_H_
-
-#include <map>
-#include <string>
-#include <vector>
-
-#include "base/compiler_specific.h"
-#include "base/containers/hash_tables.h"
-#include "net/base/ip_endpoint.h"
-#include "net/quic/quic_connection.h"
-#include "net/quic/quic_crypto_stream.h"
-#include "net/quic/quic_data_stream.h"
-#include "net/quic/quic_headers_stream.h"
-#include "net/quic/quic_packet_creator.h"
-#include "net/quic/quic_protocol.h"
-#include "net/quic/quic_write_blocked_list.h"
-#include "net/quic/reliable_quic_stream.h"
-
-namespace net {
-
-class QuicCryptoStream;
-class QuicFlowController;
-class ReliableQuicStream;
-class SSLInfo;
-class VisitorShim;
-
-namespace test {
-class QuicSessionPeer;
-}  // namespace test
-
-class NET_EXPORT_PRIVATE QuicSession : public QuicConnectionVisitorInterface {
- public:
-  // CryptoHandshakeEvent enumerates the events generated by a QuicCryptoStream.
-  enum CryptoHandshakeEvent {
-    // ENCRYPTION_FIRST_ESTABLISHED indicates that a full client hello has been
-    // sent by a client and that subsequent packets will be encrypted. (Client
-    // only.)
-    ENCRYPTION_FIRST_ESTABLISHED,
-    // ENCRYPTION_REESTABLISHED indicates that a client hello was rejected by
-    // the server and thus the encryption key has been updated. Therefore the
-    // connection should resend any packets that were sent under
-    // ENCRYPTION_INITIAL. (Client only.)
-    ENCRYPTION_REESTABLISHED,
-    // HANDSHAKE_CONFIRMED, in a client, indicates the the server has accepted
-    // our handshake. In a server it indicates that a full, valid client hello
-    // has been received. (Client and server.)
-    HANDSHAKE_CONFIRMED,
-  };
-
-  QuicSession(QuicConnection* connection, const QuicConfig& config);
-  void InitializeSession();
-
-  ~QuicSession() override;
-
-  // QuicConnectionVisitorInterface methods:
-  void OnStreamFrames(const std::vector<QuicStreamFrame>& frames) override;
-  void OnRstStream(const QuicRstStreamFrame& frame) override;
-  void OnGoAway(const QuicGoAwayFrame& frame) override;
-  void OnWindowUpdateFrames(
-      const std::vector<QuicWindowUpdateFrame>& frames) override;
-  void OnBlockedFrames(const std::vector<QuicBlockedFrame>& frames) override;
-  void OnConnectionClosed(QuicErrorCode error, bool from_peer) override;
-  void OnWriteBlocked() override {}
-  void OnSuccessfulVersionNegotiation(const QuicVersion& version) override;
-  void OnCanWrite() override;
-  void OnCongestionWindowChange(QuicTime now) override {}
-  bool WillingAndAbleToWrite() const override;
-  bool HasPendingHandshake() const override;
-  bool HasOpenDataStreams() const override;
-
-  // Called by the headers stream when headers have been received for a stream.
-  virtual void OnStreamHeaders(QuicStreamId stream_id,
-                               base::StringPiece headers_data);
-  // Called by the headers stream when headers with a priority have been
-  // received for this stream.  This method will only be called for server
-  // streams.
-  virtual void OnStreamHeadersPriority(QuicStreamId stream_id,
-                                       QuicPriority priority);
-  // Called by the headers stream when headers have been completely received
-  // for a stream.  |fin| will be true if the fin flag was set in the headers
-  // frame.
-  virtual void OnStreamHeadersComplete(QuicStreamId stream_id,
-                                       bool fin,
-                                       size_t frame_len);
-
-  // Called by streams when they want to write data to the peer.
-  // Returns a pair with the number of bytes consumed from data, and a boolean
-  // indicating if the fin bit was consumed.  This does not indicate the data
-  // has been sent on the wire: it may have been turned into a packet and queued
-  // if the socket was unexpectedly blocked.  |fec_protection| indicates if
-  // data is to be FEC protected. Note that data that is sent immediately
-  // following MUST_FEC_PROTECT data may get protected by falling within the
-  // same FEC group.
-  // If provided, |ack_notifier_delegate| will be registered to be notified when
-  // we have seen ACKs for all packets resulting from this call.
-  virtual QuicConsumedData WritevData(
-      QuicStreamId id,
-      const IOVector& data,
-      QuicStreamOffset offset,
-      bool fin,
-      FecProtection fec_protection,
-      QuicAckNotifier::DelegateInterface* ack_notifier_delegate);
-
-  // Writes |headers| for the stream |id| to the dedicated headers stream.
-  // If |fin| is true, then no more data will be sent for the stream |id|.
-  // If provided, |ack_notifier_delegate| will be registered to be notified when
-  // we have seen ACKs for all packets resulting from this call.
-  size_t WriteHeaders(
-      QuicStreamId id,
-      const SpdyHeaderBlock& headers,
-      bool fin,
-      QuicPriority priority,
-      QuicAckNotifier::DelegateInterface* ack_notifier_delegate);
-
-  // Called by streams when they want to close the stream in both directions.
-  virtual void SendRstStream(QuicStreamId id,
-                             QuicRstStreamErrorCode error,
-                             QuicStreamOffset bytes_written);
-
-  // Called when the session wants to go away and not accept any new streams.
-  void SendGoAway(QuicErrorCode error_code, const std::string& reason);
-
-  // Removes the stream associated with 'stream_id' from the active stream map.
-  virtual void CloseStream(QuicStreamId stream_id);
-
-  // Returns true if outgoing packets will be encrypted, even if the server
-  // hasn't confirmed the handshake yet.
-  virtual bool IsEncryptionEstablished();
-
-  // For a client, returns true if the server has confirmed our handshake. For
-  // a server, returns true if a full, valid client hello has been received.
-  virtual bool IsCryptoHandshakeConfirmed();
-
-  // Called by the QuicCryptoStream when a new QuicConfig has been negotiated.
-  virtual void OnConfigNegotiated();
-
-  // Called by the QuicCryptoStream when the handshake enters a new state.
-  //
-  // Clients will call this function in the order:
-  //   ENCRYPTION_FIRST_ESTABLISHED
-  //   zero or more ENCRYPTION_REESTABLISHED
-  //   HANDSHAKE_CONFIRMED
-  //
-  // Servers will simply call it once with HANDSHAKE_CONFIRMED.
-  virtual void OnCryptoHandshakeEvent(CryptoHandshakeEvent event);
-
-  // Called by the QuicCryptoStream when a handshake message is sent.
-  virtual void OnCryptoHandshakeMessageSent(
-      const CryptoHandshakeMessage& message);
-
-  // Called by the QuicCryptoStream when a handshake message is received.
-  virtual void OnCryptoHandshakeMessageReceived(
-      const CryptoHandshakeMessage& message);
-
-  // Returns mutable config for this session. Returned config is owned
-  // by QuicSession.
-  QuicConfig* config();
-
-  // Returns true if the stream existed previously and has been closed.
-  // Returns false if the stream is still active or if the stream has
-  // not yet been created.
-  bool IsClosedStream(QuicStreamId id);
-
-  QuicConnection* connection() { return connection_.get(); }
-  const QuicConnection* connection() const { return connection_.get(); }
-  size_t num_active_requests() const { return stream_map_.size(); }
-  const IPEndPoint& peer_address() const {
-    return connection_->peer_address();
-  }
-  QuicConnectionId connection_id() const {
-    return connection_->connection_id();
-  }
-
-  // Returns the number of currently open streams, including those which have
-  // been implicitly created, but excluding the reserved headers and crypto
-  // streams.
-  virtual size_t GetNumOpenStreams() const;
-
-  void MarkWriteBlocked(QuicStreamId id, QuicPriority priority);
-
-  // Returns true if the session has data to be sent, either queued in the
-  // connection, or in a write-blocked stream.
-  bool HasDataToWrite() const;
-
-  bool goaway_received() const {
-    return goaway_received_;
-  }
-
-  bool goaway_sent() const {
-    return goaway_sent_;
-  }
-
-  // Gets the SSL connection information.
-  virtual bool GetSSLInfo(SSLInfo* ssl_info) const;
-
-  QuicErrorCode error() const { return error_; }
-
-  bool is_server() const { return connection_->is_server(); }
-
-  QuicFlowController* flow_controller() { return flow_controller_.get(); }
-
-  // Returns true if connection is flow controller blocked.
-  bool IsConnectionFlowControlBlocked() const;
-
-  // Returns true if any stream is flow controller blocked.
-  bool IsStreamFlowControlBlocked();
-
-  // Returns true if this is a secure QUIC session.
-  bool IsSecure() const {
-    return connection()->is_secure();
-  }
-
-  size_t get_max_open_streams() const { return max_open_streams_; }
-
- protected:
-  typedef base::hash_map<QuicStreamId, QuicDataStream*> DataStreamMap;
-
-  // Creates a new stream, owned by the caller, to handle a peer-initiated
-  // stream.  Returns nullptr and does error handling if the stream can not be
-  // created.
-  virtual QuicDataStream* CreateIncomingDataStream(QuicStreamId id) = 0;
-
-  // Create a new stream, owned by the caller, to handle a locally-initiated
-  // stream.  Returns nullptr if max streams have already been opened.
-  virtual QuicDataStream* CreateOutgoingDataStream() = 0;
-
-  // Return the reserved crypto stream.
-  virtual QuicCryptoStream* GetCryptoStream() = 0;
-
-  // Adds 'stream' to the active stream map.
-  virtual void ActivateStream(QuicDataStream* stream);
-
-  // Returns the stream id for a new stream.
-  QuicStreamId GetNextStreamId();
-
-  QuicDataStream* GetIncomingDataStream(QuicStreamId stream_id);
-
-  QuicDataStream* GetDataStream(const QuicStreamId stream_id);
-
-  ReliableQuicStream* GetStream(const QuicStreamId stream_id);
-
-  // This is called after every call other than OnConnectionClose from the
-  // QuicConnectionVisitor to allow post-processing once the work has been done.
-  // In this case, it deletes streams given that it's safe to do so (no other
-  // operations are being done on the streams at this time)
-  virtual void PostProcessAfterData();
-
-  base::hash_map<QuicStreamId, QuicDataStream*>* streams() {
-    return &stream_map_;
-  }
-
-  const base::hash_map<QuicStreamId, QuicDataStream*>* streams() const {
-    return &stream_map_;
-  }
-
-  std::vector<QuicDataStream*>* closed_streams() { return &closed_streams_; }
-
-  void set_max_open_streams(size_t max_open_streams);
-
-  scoped_ptr<QuicHeadersStream> headers_stream_;
-
- private:
-  friend class test::QuicSessionPeer;
-  friend class VisitorShim;
-
-  // Performs the work required to close |stream_id|.  If |locally_reset|
-  // then the stream has been reset by this endpoint, not by the peer.
-  void CloseStreamInner(QuicStreamId stream_id, bool locally_reset);
-
-  // When a stream is closed locally, it may not yet know how many bytes the
-  // peer sent on that stream.
-  // When this data arrives (via stream frame w. FIN, or RST) this method
-  // is called, and correctly updates the connection level flow controller.
-  void UpdateFlowControlOnFinalReceivedByteOffset(
-      QuicStreamId id, QuicStreamOffset final_byte_offset);
-
-  // Called in OnConfigNegotiated when we receive a new stream level flow
-  // control window in a negotiated config. Closes the connection if invalid.
-  void OnNewStreamFlowControlWindow(QuicStreamOffset new_window);
-
-  // Called in OnConfigNegotiated when we receive a new session level flow
-  // control window in a negotiated config. Closes the connection if invalid.
-  void OnNewSessionFlowControlWindow(QuicStreamOffset new_window);
-
-  // Keep track of highest received byte offset of locally closed streams, while
-  // waiting for a definitive final highest offset from the peer.
-  std::map<QuicStreamId, QuicStreamOffset>
-      locally_closed_streams_highest_offset_;
-
-  scoped_ptr<QuicConnection> connection_;
-
-  // A shim to stand between the connection and the session, to handle stream
-  // deletions.
-  scoped_ptr<VisitorShim> visitor_shim_;
-
-  std::vector<QuicDataStream*> closed_streams_;
-
-  QuicConfig config_;
-
-  // Returns the maximum number of streams this connection can open.
-  size_t max_open_streams_;
-
-  // Map from StreamId to pointers to streams that are owned by the caller.
-  DataStreamMap stream_map_;
-  QuicStreamId next_stream_id_;
-
-  // Set of stream ids that have been "implicitly created" by receipt
-  // of a stream id larger than the next expected stream id.
-  base::hash_set<QuicStreamId> implicitly_created_streams_;
-
-  // A list of streams which need to write more data.
-  QuicWriteBlockedList write_blocked_streams_;
-
-  QuicStreamId largest_peer_created_stream_id_;
-
-  // The latched error with which the connection was closed.
-  QuicErrorCode error_;
-
-  // Used for session level flow control.
-  scoped_ptr<QuicFlowController> flow_controller_;
-
-  // Whether a GoAway has been received.
-  bool goaway_received_;
-  // Whether a GoAway has been sent.
-  bool goaway_sent_;
-
-  // Indicate if there is pending data for the crypto stream.
-  bool has_pending_handshake_;
-
-  DISALLOW_COPY_AND_ASSIGN(QuicSession);
-};
-
-}  // namespace net
-
-#endif  // NET_QUIC_QUIC_SESSION_H_