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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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