1 //
2 // Copyright (C) 2014 The Android Open Source Project
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 //      http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15 //
16 
17 #include "update_engine/update_manager/update_manager.h"
18 #include "update_engine/update_manager/state.h"
19 
20 namespace chromeos_update_manager {
21 
UpdateManager(chromeos_update_engine::ClockInterface * clock,base::TimeDelta evaluation_timeout,base::TimeDelta expiration_timeout,State * state)22 UpdateManager::UpdateManager(chromeos_update_engine::ClockInterface* clock,
23                              base::TimeDelta evaluation_timeout,
24                              base::TimeDelta expiration_timeout,
25                              State* state)
26     : policy_(GetSystemPolicy()),
27       default_policy_(clock),
28       state_(state),
29       clock_(clock),
30       evaluation_timeout_(evaluation_timeout),
31       expiration_timeout_(expiration_timeout),
32       weak_ptr_factory_(this) {}
33 
~UpdateManager()34 UpdateManager::~UpdateManager() {
35   // Remove pending main loop events associated with any of the outstanding
36   // evaluation contexts. This will prevent dangling pending events, causing
37   // these contexts to be destructed once the repo itself is destructed.
38   for (auto& ec : ec_repo_)
39     ec->RemoveObserversAndTimeout();
40 }
41 
AsyncPolicyRequestUpdateCheckAllowed(base::Callback<void (EvalStatus,const UpdateCheckParams & result)> callback,EvalStatus (Policy::* policy_method)(EvaluationContext *,State *,std::string *,UpdateCheckParams *)const)42 void UpdateManager::AsyncPolicyRequestUpdateCheckAllowed(
43     base::Callback<void(EvalStatus, const UpdateCheckParams& result)> callback,
44     EvalStatus (Policy::*policy_method)(
45         EvaluationContext*, State*, std::string*, UpdateCheckParams*) const) {
46   AsyncPolicyRequest(callback, policy_method);
47 }
48 
UnregisterEvalContext(EvaluationContext * ec)49 void UpdateManager::UnregisterEvalContext(EvaluationContext* ec) {
50   // Since |ec_repo_|'s compare function is based on the value of the raw
51   // pointer |ec|, we can just create a |shared_ptr| here and pass it along to
52   // be erased.
53   if (!ec_repo_.erase(
54           std::shared_ptr<EvaluationContext>(ec, [](EvaluationContext*) {}))) {
55     LOG(ERROR) << "Unregistering an unknown evaluation context, this is a bug.";
56   }
57 }
58 
59 }  // namespace chromeos_update_manager
60