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