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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 #include "net/tools/quic/test_tools/mock_epoll_server.h" | 5 #include "net/tools/quic/test_tools/mock_epoll_server.h" |
6 | 6 |
7 namespace net { | 7 namespace net { |
8 namespace tools { | 8 namespace tools { |
9 namespace test { | 9 namespace test { |
10 | 10 |
11 FakeTimeEpollServer::FakeTimeEpollServer(): now_in_usec_(0) { | 11 FakeTimeEpollServer::FakeTimeEpollServer() : now_in_usec_(0) { |
12 } | 12 } |
13 | 13 |
14 FakeTimeEpollServer::~FakeTimeEpollServer() { | 14 FakeTimeEpollServer::~FakeTimeEpollServer() { |
15 } | 15 } |
16 | 16 |
17 int64 FakeTimeEpollServer::NowInUsec() const { | 17 int64 FakeTimeEpollServer::NowInUsec() const { |
18 return now_in_usec_; | 18 return now_in_usec_; |
19 } | 19 } |
20 | 20 |
21 MockEpollServer::MockEpollServer() : until_in_usec_(-1) { | 21 MockEpollServer::MockEpollServer() : until_in_usec_(-1) { |
22 } | 22 } |
23 | 23 |
24 MockEpollServer::~MockEpollServer() { | 24 MockEpollServer::~MockEpollServer() { |
25 } | 25 } |
26 | 26 |
27 int MockEpollServer::epoll_wait_impl(int epfd, | 27 int MockEpollServer::epoll_wait_impl(int epfd, |
28 struct epoll_event* events, | 28 struct epoll_event* events, |
29 int max_events, | 29 int max_events, |
30 int timeout_in_ms) { | 30 int timeout_in_ms) { |
31 int num_events = 0; | 31 int num_events = 0; |
32 while (!event_queue_.empty() && | 32 while (!event_queue_.empty() && num_events < max_events && |
33 num_events < max_events && | |
34 event_queue_.begin()->first <= NowInUsec() && | 33 event_queue_.begin()->first <= NowInUsec() && |
35 ((until_in_usec_ == -1) || | 34 ((until_in_usec_ == -1) || |
36 (event_queue_.begin()->first < until_in_usec_)) | 35 (event_queue_.begin()->first < until_in_usec_))) { |
37 ) { | |
38 int64 event_time_in_usec = event_queue_.begin()->first; | 36 int64 event_time_in_usec = event_queue_.begin()->first; |
39 events[num_events] = event_queue_.begin()->second; | 37 events[num_events] = event_queue_.begin()->second; |
40 if (event_time_in_usec > NowInUsec()) { | 38 if (event_time_in_usec > NowInUsec()) { |
41 set_now_in_usec(event_time_in_usec); | 39 set_now_in_usec(event_time_in_usec); |
42 } | 40 } |
43 event_queue_.erase(event_queue_.begin()); | 41 event_queue_.erase(event_queue_.begin()); |
44 ++num_events; | 42 ++num_events; |
45 } | 43 } |
46 if (num_events == 0) { // then we'd have waited 'till the timeout. | 44 if (num_events == 0) { // then we'd have waited 'till the timeout. |
47 if (until_in_usec_ < 0) { // then we don't care what the final time is. | 45 if (until_in_usec_ < 0) { // then we don't care what the final time is. |
48 if (timeout_in_ms > 0) { | 46 if (timeout_in_ms > 0) { |
49 AdvanceBy(timeout_in_ms * 1000); | 47 AdvanceBy(timeout_in_ms * 1000); |
50 } | 48 } |
51 } else { // except we assume that we don't wait for the timeout | 49 } else { // except we assume that we don't wait for the timeout |
52 // period if until_in_usec_ is a positive number. | 50 // period if until_in_usec_ is a positive number. |
53 set_now_in_usec(until_in_usec_); | 51 set_now_in_usec(until_in_usec_); |
54 // And reset until_in_usec_ to signal no waiting (as | 52 // And reset until_in_usec_ to signal no waiting (as |
55 // the AdvanceByExactly* stuff is meant to be one-shot, | 53 // the AdvanceByExactly* stuff is meant to be one-shot, |
56 // as are all similar EpollServer functions) | 54 // as are all similar EpollServer functions) |
57 until_in_usec_ = -1; | 55 until_in_usec_ = -1; |
58 } | 56 } |
59 } | 57 } |
60 if (until_in_usec_ >= 0) { | 58 if (until_in_usec_ >= 0) { |
61 CHECK(until_in_usec_ >= NowInUsec()); | 59 CHECK(until_in_usec_ >= NowInUsec()); |
62 } | 60 } |
63 return num_events; | 61 return num_events; |
64 } | 62 } |
65 | 63 |
66 } // namespace test | 64 } // namespace test |
67 } // namespace tools | 65 } // namespace tools |
68 } // namespace net | 66 } // namespace net |
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