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Issue 624713003: Keep only base/extractor.[cc|h]. (Closed) Base URL: https://chromium.googlesource.com/external/omaha.git@master
Patch Set: Created 6 years, 2 months ago
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1 // Copyright 2007-2009 Google Inc.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 // ========================================================================
15
16 #include "omaha/core/scheduler.h"
17 #include <algorithm>
18 #include "omaha/base/debug.h"
19 #include "omaha/base/error.h"
20 #include "omaha/base/highres_timer-win32.h"
21 #include "omaha/base/logging.h"
22 #include "omaha/base/queue_timer.h"
23 #include "omaha/common/config_manager.h"
24 #include "omaha/core/core.h"
25 #include "omaha/core/core_metrics.h"
26
27 namespace omaha {
28
29 Scheduler::Scheduler(const Core& core)
30 : core_(core) {
31 CORE_LOG(L1, (_T("[Scheduler::Scheduler]")));
32 }
33
34 Scheduler::~Scheduler() {
35 CORE_LOG(L1, (_T("[Scheduler::~Scheduler]")));
36
37 if (update_timer_.get()) {
38 update_timer_.reset(NULL);
39 }
40
41 if (code_red_timer_.get()) {
42 code_red_timer_.reset(NULL);
43 }
44
45 if (timer_queue_) {
46 // The destructor blocks on deleting the timer queue and it waits for
47 // all timer callbacks to complete.
48 ::DeleteTimerQueueEx(timer_queue_, INVALID_HANDLE_VALUE);
49 }
50 }
51
52 HRESULT Scheduler::Initialize() {
53 CORE_LOG(L1, (_T("[Scheduler::Initialize]")));
54
55 timer_queue_ = ::CreateTimerQueue();
56 if (!timer_queue_) {
57 return HRESULTFromLastError();
58 }
59
60 cr_debug_timer_.reset(new HighresTimer);
61
62 update_timer_.reset(new QueueTimer(timer_queue_,
63 &Scheduler::TimerCallback,
64 this));
65 code_red_timer_.reset(new QueueTimer(timer_queue_,
66 &Scheduler::TimerCallback,
67 this));
68
69 ConfigManager* config_manager = ConfigManager::Instance();
70 int cr_timer_interval_ms = config_manager->GetCodeRedTimerIntervalMs();
71 VERIFY1(SUCCEEDED(ScheduleCodeRedTimer(cr_timer_interval_ms)));
72
73 int au_timer_interval_ms = config_manager->GetUpdateWorkerStartUpDelayMs();
74 VERIFY1(SUCCEEDED(ScheduleUpdateTimer(au_timer_interval_ms)));
75
76 return S_OK;
77 }
78
79 void Scheduler::TimerCallback(QueueTimer* timer) {
80 ASSERT1(timer);
81 Scheduler* scheduler = static_cast<Scheduler*>(timer->ctx());
82 ASSERT1(scheduler);
83 scheduler->HandleCallback(timer);
84 }
85
86 // First, do the useful work and then reschedule the timer. Otherwise, it is
87 // possible that timer notifications overlap, and the timer can't be further
88 // rescheduled: http://b/1228095
89 void Scheduler::HandleCallback(QueueTimer* timer) {
90 ConfigManager* config_manager = ConfigManager::Instance();
91 if (update_timer_.get() == timer) {
92 core_.StartUpdateWorker();
93 int au_timer_interval_ms = config_manager->GetAutoUpdateTimerIntervalMs();
94 VERIFY1(SUCCEEDED(ScheduleUpdateTimer(au_timer_interval_ms)));
95 } else if (code_red_timer_.get() == timer) {
96 core_.StartCodeRed();
97 int actual_time_ms = static_cast<int>(cr_debug_timer_->GetElapsedMs());
98 metric_core_cr_actual_timer_interval_ms = actual_time_ms;
99 CORE_LOG(L3, (_T("[code red actual period][%d ms]"), actual_time_ms));
100 int cr_timer_interval_ms = config_manager->GetCodeRedTimerIntervalMs();
101 VERIFY1(SUCCEEDED(ScheduleCodeRedTimer(cr_timer_interval_ms)));
102 } else {
103 ASSERT1(false);
104 }
105
106 // Since core is a long lived process, aggregate its metrics once in a while.
107 core_.AggregateMetrics();
108 }
109
110 HRESULT Scheduler::ScheduleUpdateTimer(int interval_ms) {
111 HRESULT hr = update_timer_->Start(interval_ms, 0, WT_EXECUTEONLYONCE);
112 if (FAILED(hr)) {
113 CORE_LOG(LE, (_T("[can't start update queue timer][0x%08x]"), hr));
114 }
115 return hr;
116 }
117
118 HRESULT Scheduler::ScheduleCodeRedTimer(int interval_ms) {
119 metric_core_cr_expected_timer_interval_ms = interval_ms;
120 cr_debug_timer_->Start();
121 HRESULT hr = code_red_timer_->Start(interval_ms, 0, WT_EXECUTEONLYONCE);
122 if (FAILED(hr)) {
123 CORE_LOG(LE, (_T("[can't start Code Red queue timer][0x%08x]"), hr));
124 }
125 return hr;
126 }
127
128 } // namespace omaha
129
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