text: // 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.
  
  #ifndef QUICHE_QUIC_TEST_TOOLS_QUIC_SESSION_PEER_H_
  #define QUICHE_QUIC_TEST_TOOLS_QUIC_SESSION_PEER_H_
  
  #include <cstdint>
  #include <map>
  #include <memory>
  
  #include "net/third_party/quiche/src/quic/core/quic_packets.h"
  #include "net/third_party/quiche/src/quic/core/quic_session.h"
  #include "net/third_party/quiche/src/quic/core/quic_write_blocked_list.h"
  #include "net/third_party/quiche/src/quic/platform/api/quic_containers.h"
  
  namespace quic {
  
  class QuicCryptoStream;
  class QuicSession;
  class QuicStream;
  
  namespace test {
  
  class QuicSessionPeer {
   public:
    QuicSessionPeer() = delete;
  
    static QuicStreamId GetNextOutgoingBidirectionalStreamId(
        QuicSession* session);
    static QuicStreamId GetNextOutgoingUnidirectionalStreamId(
        QuicSession* session);
    static void SetNextOutgoingBidirectionalStreamId(QuicSession* session,
                                                     QuicStreamId id);
    // Following is only for Google-QUIC, will QUIC_BUG if called for IETF
    // QUIC.
    static void SetMaxOpenIncomingStreams(QuicSession* session,
                                          uint32_t max_streams);
    // Following two are only for IETF-QUIC, will QUIC_BUG if called for Google
    // QUIC.
    static void SetMaxOpenIncomingBidirectionalStreams(QuicSession* session,
                                                       uint32_t max_streams);
    static void SetMaxOpenIncomingUnidirectionalStreams(QuicSession* session,
                                                        uint32_t max_streams);
  
    static void SetMaxOpenOutgoingStreams(QuicSession* session,
                                          uint32_t max_streams);
    static void SetMaxOpenOutgoingBidirectionalStreams(QuicSession* session,
                                                       uint32_t max_streams);
    static void SetMaxOpenOutgoingUnidirectionalStreams(QuicSession* session,
                                                        uint32_t max_streams);
  
    static QuicCryptoStream* GetMutableCryptoStream(QuicSession* session);
    static QuicWriteBlockedList* GetWriteBlockedStreams(QuicSession* session);
    static QuicStream* GetOrCreateStream(QuicSession* session,
                                         QuicStreamId stream_id);
    static std::map<QuicStreamId, QuicStreamOffset>&
    GetLocallyClosedStreamsHighestOffset(QuicSession* session);
    static QuicSession::StreamMap& stream_map(QuicSession* session);
    static const QuicSession::ClosedStreams& closed_streams(QuicSession* session);
    static QuicSession::ZombieStreamMap& zombie_streams(QuicSession* session);
    static void ActivateStream(QuicSession* session,
                               std::unique_ptr<QuicStream> stream);
  
    // Discern the state of a stream.  Exactly one of these should be true at a
    // time for any stream id > 0 (other than the special streams 1 and 3).
    static bool IsStreamClosed(QuicSession* session, QuicStreamId id);
    static bool IsStreamCreated(QuicSession* session, QuicStreamId id);
    static bool IsStreamAvailable(QuicSession* session, QuicStreamId id);
  
    static QuicStream* GetStream(QuicSession* session, QuicStreamId id);
    static bool IsStreamWriteBlocked(QuicSession* session, QuicStreamId id);
    static QuicAlarm* GetCleanUpClosedStreamsAlarm(QuicSession* session);
    static LegacyQuicStreamIdManager* GetStreamIdManager(QuicSession* session);
    static UberQuicStreamIdManager* v99_streamid_manager(QuicSession* session);
    static QuicStreamIdManager* v99_bidirectional_stream_id_manager(
        QuicSession* session);
    static QuicStreamIdManager* v99_unidirectional_stream_id_manager(
        QuicSession* session);
    static PendingStream* GetPendingStream(QuicSession* session,
                                           QuicStreamId stream_id);
    static void set_is_configured(QuicSession* session, bool value);
    static void SetPerspective(QuicSession* session, Perspective perspective);
    static size_t GetNumOpenDynamicStreams(QuicSession* session);
    static size_t GetNumDrainingStreams(QuicSession* session);
  };
  
  }  // namespace test
  
  }  // namespace quic
  
  #endif  // QUICHE_QUIC_TEST_TOOLS_QUIC_SESSION_PEER_H_
  