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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_connection_helper.h" | |
| 6 | |
| 7 #include <errno.h> | |
| 8 #include <sys/socket.h> | |
| 9 | |
| 10 #include "base/logging.h" | |
| 11 #include "base/stl_util.h" | |
| 12 #include "net/base/ip_endpoint.h" | |
| 13 #include "net/quic/crypto/quic_random.h" | |
| 14 #include "net/tools/epoll_server/epoll_server.h" | |
| 15 #include "net/tools/quic/quic_socket_utils.h" | |
| 16 | |
| 17 namespace net { | |
| 18 namespace tools { | |
| 19 | |
| 20 namespace { | |
| 21 | |
| 22 class QuicEpollAlarm : public QuicAlarm { | |
| 23 public: | |
| 24 QuicEpollAlarm(EpollServer* epoll_server, | |
| 25 QuicAlarm::Delegate* delegate) | |
| 26 : QuicAlarm(delegate), | |
| 27 epoll_server_(epoll_server), | |
| 28 epoll_alarm_impl_(this) {} | |
| 29 | |
| 30 protected: | |
| 31 void SetImpl() override { | |
| 32 DCHECK(deadline().IsInitialized()); | |
| 33 epoll_server_->RegisterAlarm( | |
| 34 deadline().Subtract(QuicTime::Zero()).ToMicroseconds(), | |
| 35 &epoll_alarm_impl_); | |
| 36 } | |
| 37 | |
| 38 void CancelImpl() override { | |
| 39 DCHECK(!deadline().IsInitialized()); | |
| 40 epoll_alarm_impl_.UnregisterIfRegistered(); | |
| 41 } | |
| 42 | |
| 43 private: | |
| 44 class EpollAlarmImpl : public EpollAlarm { | |
| 45 public: | |
| 46 explicit EpollAlarmImpl(QuicEpollAlarm* alarm) : alarm_(alarm) {} | |
| 47 | |
| 48 int64 OnAlarm() override { | |
| 49 EpollAlarm::OnAlarm(); | |
| 50 alarm_->Fire(); | |
| 51 // Fire will take care of registering the alarm, if needed. | |
| 52 return 0; | |
| 53 } | |
| 54 | |
| 55 private: | |
| 56 QuicEpollAlarm* alarm_; | |
| 57 }; | |
| 58 | |
| 59 EpollServer* epoll_server_; | |
| 60 EpollAlarmImpl epoll_alarm_impl_; | |
| 61 }; | |
| 62 | |
| 63 } // namespace | |
| 64 | |
| 65 QuicEpollConnectionHelper::QuicEpollConnectionHelper(EpollServer* epoll_server) | |
| 66 : epoll_server_(epoll_server), | |
| 67 clock_(epoll_server), | |
| 68 random_generator_(QuicRandom::GetInstance()) { | |
| 69 } | |
| 70 | |
| 71 QuicEpollConnectionHelper::~QuicEpollConnectionHelper() { | |
| 72 } | |
| 73 | |
| 74 const QuicClock* QuicEpollConnectionHelper::GetClock() const { | |
| 75 return &clock_; | |
| 76 } | |
| 77 | |
| 78 QuicRandom* QuicEpollConnectionHelper::GetRandomGenerator() { | |
| 79 return random_generator_; | |
| 80 } | |
| 81 | |
| 82 QuicAlarm* QuicEpollConnectionHelper::CreateAlarm( | |
| 83 QuicAlarm::Delegate* delegate) { | |
| 84 return new QuicEpollAlarm(epoll_server_, delegate); | |
| 85 } | |
| 86 | |
| 87 } // namespace tools | |
| 88 } // namespace net | |
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