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1 // Copyright (c) 2015 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_ALARM_FACTORY_H_ | |
6 #define NET_QUIC_QUIC_ALARM_FACTORY_H_ | |
7 | |
8 #include "net/base/net_export.h" | |
9 #include "net/quic/quic_alarm.h" | |
10 #include "net/quic/quic_one_block_arena.h" | |
11 | |
12 namespace net { | |
13 | |
14 // QuicConnections currently use around 1KB of polymorphic types which would | |
15 // ordinarily be on the heap. Instead, store them inline in an arena. | |
16 using QuicConnectionArena = QuicOneBlockArena<1024>; | |
17 | |
18 // Creates platform-specific alarms used throughout QUIC. | |
19 class NET_EXPORT_PRIVATE QuicAlarmFactory { | |
20 public: | |
21 virtual ~QuicAlarmFactory() {} | |
22 | |
23 // Creates a new platform-specific alarm which will be configured to notify | |
24 // |delegate| when the alarm fires. Returns an alarm allocated on the heap. | |
25 // Caller takes ownership of the new alarm, which will not yet be "set" to | |
26 // fire. | |
27 virtual QuicAlarm* CreateAlarm(QuicAlarm::Delegate* delegate) = 0; | |
28 | |
29 // Creates a new platform-specific alarm which will be configured to notify | |
30 // |delegate| when the alarm fires. Caller takes ownership of the new alarm, | |
31 // which will not yet be "set" to fire. If |arena| is null, then the alarm | |
32 // will be created on the heap. Otherwise, it will be created in |arena|. | |
33 virtual QuicArenaScopedPtr<QuicAlarm> CreateAlarm( | |
34 QuicArenaScopedPtr<QuicAlarm::Delegate> delegate, | |
35 QuicConnectionArena* arena) = 0; | |
36 }; | |
37 | |
38 } // namespace net | |
39 | |
40 #endif // NET_QUIC_QUIC_ALARM_FACTORY_H_ | |
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