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| 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 #include "net/tools/quic/quic_epoll_alarm_factory.h" |
| 6 |
| 7 #include "base/logging.h" |
| 8 #include "net/tools/epoll_server/epoll_server.h" |
| 9 |
| 10 namespace net { |
| 11 |
| 12 namespace { |
| 13 |
| 14 class QuicEpollAlarm : public QuicAlarm { |
| 15 public: |
| 16 QuicEpollAlarm(EpollServer* epoll_server, |
| 17 QuicArenaScopedPtr<Delegate> delegate) |
| 18 : QuicAlarm(std::move(delegate)), |
| 19 epoll_server_(epoll_server), |
| 20 epoll_alarm_impl_(this) {} |
| 21 |
| 22 protected: |
| 23 void SetImpl() override { |
| 24 DCHECK(deadline().IsInitialized()); |
| 25 epoll_server_->RegisterAlarm( |
| 26 deadline().Subtract(QuicTime::Zero()).ToMicroseconds(), |
| 27 &epoll_alarm_impl_); |
| 28 } |
| 29 |
| 30 void CancelImpl() override { |
| 31 DCHECK(!deadline().IsInitialized()); |
| 32 epoll_alarm_impl_.UnregisterIfRegistered(); |
| 33 } |
| 34 |
| 35 private: |
| 36 class EpollAlarmImpl : public EpollAlarm { |
| 37 public: |
| 38 explicit EpollAlarmImpl(QuicEpollAlarm* alarm) : alarm_(alarm) {} |
| 39 |
| 40 int64_t OnAlarm() override { |
| 41 EpollAlarm::OnAlarm(); |
| 42 alarm_->Fire(); |
| 43 // Fire will take care of registering the alarm, if needed. |
| 44 return 0; |
| 45 } |
| 46 |
| 47 private: |
| 48 QuicEpollAlarm* alarm_; |
| 49 }; |
| 50 |
| 51 EpollServer* epoll_server_; |
| 52 EpollAlarmImpl epoll_alarm_impl_; |
| 53 }; |
| 54 |
| 55 } // namespace |
| 56 |
| 57 QuicEpollAlarmFactory::QuicEpollAlarmFactory(EpollServer* epoll_server) |
| 58 : epoll_server_(epoll_server) {} |
| 59 |
| 60 QuicEpollAlarmFactory::~QuicEpollAlarmFactory() {} |
| 61 |
| 62 QuicAlarm* QuicEpollAlarmFactory::CreateAlarm(QuicAlarm::Delegate* delegate) { |
| 63 return new QuicEpollAlarm(epoll_server_, |
| 64 QuicArenaScopedPtr<QuicAlarm::Delegate>(delegate)); |
| 65 } |
| 66 |
| 67 QuicArenaScopedPtr<QuicAlarm> QuicEpollAlarmFactory::CreateAlarm( |
| 68 QuicArenaScopedPtr<QuicAlarm::Delegate> delegate, |
| 69 QuicConnectionArena* arena) { |
| 70 if (arena != nullptr) { |
| 71 return arena->New<QuicEpollAlarm>(epoll_server_, std::move(delegate)); |
| 72 } else { |
| 73 return QuicArenaScopedPtr<QuicAlarm>( |
| 74 new QuicEpollAlarm(epoll_server_, std::move(delegate))); |
| 75 } |
| 76 } |
| 77 |
| 78 } // namespace net |
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