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

Issue 1663703003: use std::unordered_map and std::unordered_set in QUIC code instead of (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@113259990
Patch Set: rebase Created 4 years, 10 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 // 4 //
5 // A QuicSession, which demuxes a single connection to individual streams. 5 // A QuicSession, which demuxes a single connection to individual streams.
6 6
7 #ifndef NET_QUIC_QUIC_SESSION_H_ 7 #ifndef NET_QUIC_QUIC_SESSION_H_
8 #define NET_QUIC_QUIC_SESSION_H_ 8 #define NET_QUIC_QUIC_SESSION_H_
9 9
10 #include <stddef.h> 10 #include <stddef.h>
11 11
12 #include <map> 12 #include <map>
13 #include <string> 13 #include <string>
14 #include <unordered_map>
15 #include <unordered_set>
14 #include <vector> 16 #include <vector>
15 17
16 #include "base/compiler_specific.h" 18 #include "base/compiler_specific.h"
17 #include "base/containers/hash_tables.h" 19 #include "base/containers/hash_tables.h"
18 #include "base/macros.h" 20 #include "base/macros.h"
19 #include "base/memory/scoped_ptr.h" 21 #include "base/memory/scoped_ptr.h"
20 #include "base/strings/string_piece.h" 22 #include "base/strings/string_piece.h"
21 #include "net/base/ip_endpoint.h" 23 #include "net/base/ip_endpoint.h"
22 #include "net/quic/quic_connection.h" 24 #include "net/quic/quic_connection.h"
23 #include "net/quic/quic_crypto_stream.h" 25 #include "net/quic/quic_crypto_stream.h"
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218 // Mark a stream as draining. 220 // Mark a stream as draining.
219 virtual void StreamDraining(QuicStreamId id); 221 virtual void StreamDraining(QuicStreamId id);
220 222
221 // Close the connection, if it is not already closed. 223 // Close the connection, if it is not already closed.
222 void CloseConnectionWithDetails(QuicErrorCode error, const char* details); 224 void CloseConnectionWithDetails(QuicErrorCode error, const char* details);
223 225
224 // Returns true if this stream should yield writes to another blocked stream. 226 // Returns true if this stream should yield writes to another blocked stream.
225 bool ShouldYield(QuicStreamId stream_id); 227 bool ShouldYield(QuicStreamId stream_id);
226 228
227 protected: 229 protected:
228 typedef base::hash_map<QuicStreamId, ReliableQuicStream*> StreamMap; 230 typedef std::unordered_map<QuicStreamId, ReliableQuicStream*> StreamMap;
229 231
230 // Creates a new stream, owned by the caller, to handle a peer-initiated 232 // Creates a new stream, owned by the caller, to handle a peer-initiated
231 // stream. Returns nullptr and does error handling if the stream can not be 233 // stream. Returns nullptr and does error handling if the stream can not be
232 // created. 234 // created.
233 virtual ReliableQuicStream* CreateIncomingDynamicStream(QuicStreamId id) = 0; 235 virtual ReliableQuicStream* CreateIncomingDynamicStream(QuicStreamId id) = 0;
234 236
235 // Create a new stream, owned by the caller, to handle a locally-initiated 237 // Create a new stream, owned by the caller, to handle a locally-initiated
236 // stream. Returns nullptr if max streams have already been opened. 238 // stream. Returns nullptr if max streams have already been opened.
237 virtual ReliableQuicStream* CreateOutgoingDynamicStream( 239 virtual ReliableQuicStream* CreateOutgoingDynamicStream(
238 SpdyPriority priority) = 0; 240 SpdyPriority priority) = 0;
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366 StreamMap static_stream_map_; 368 StreamMap static_stream_map_;
367 369
368 // Map from StreamId to pointers to streams. Owns the streams. 370 // Map from StreamId to pointers to streams. Owns the streams.
369 StreamMap dynamic_stream_map_; 371 StreamMap dynamic_stream_map_;
370 372
371 // The ID to use for the next outgoing stream. 373 // The ID to use for the next outgoing stream.
372 QuicStreamId next_outgoing_stream_id_; 374 QuicStreamId next_outgoing_stream_id_;
373 375
374 // Set of stream ids that are less than the largest stream id that has been 376 // Set of stream ids that are less than the largest stream id that has been
375 // received, but are nonetheless available to be created. 377 // received, but are nonetheless available to be created.
376 base::hash_set<QuicStreamId> available_streams_; 378 std::unordered_set<QuicStreamId> available_streams_;
377 379
378 // Set of stream ids that are "draining" -- a FIN has been sent and received, 380 // Set of stream ids that are "draining" -- a FIN has been sent and received,
379 // but the stream object still exists because not all the received data has 381 // but the stream object still exists because not all the received data has
380 // been consumed. 382 // been consumed.
381 base::hash_set<QuicStreamId> draining_streams_; 383 std::unordered_set<QuicStreamId> draining_streams_;
382 384
383 // A list of streams which need to write more data. 385 // A list of streams which need to write more data.
384 QuicWriteBlockedList write_blocked_streams_; 386 QuicWriteBlockedList write_blocked_streams_;
385 387
386 QuicStreamId largest_peer_created_stream_id_; 388 QuicStreamId largest_peer_created_stream_id_;
387 389
388 // A counter for peer initiated streams which are in the dynamic_stream_map_. 390 // A counter for peer initiated streams which are in the dynamic_stream_map_.
389 size_t num_dynamic_incoming_streams_; 391 size_t num_dynamic_incoming_streams_;
390 392
391 // A counter for peer initiated streams which are in the draining_streams_. 393 // A counter for peer initiated streams which are in the draining_streams_.
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404 // The stream id which was last popped in OnCanWrite, or 0, if not under the 406 // The stream id which was last popped in OnCanWrite, or 0, if not under the
405 // call stack of OnCanWrite. 407 // call stack of OnCanWrite.
406 QuicStreamId currently_writing_stream_id_; 408 QuicStreamId currently_writing_stream_id_;
407 409
408 DISALLOW_COPY_AND_ASSIGN(QuicSession); 410 DISALLOW_COPY_AND_ASSIGN(QuicSession);
409 }; 411 };
410 412
411 } // namespace net 413 } // namespace net
412 414
413 #endif // NET_QUIC_QUIC_SESSION_H_ 415 #endif // NET_QUIC_QUIC_SESSION_H_
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