1 // 2 // Copyright (C) 2011 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 #ifndef UPDATE_ENGINE_OMAHA_RESPONSE_HANDLER_ACTION_H_ 18 #define UPDATE_ENGINE_OMAHA_RESPONSE_HANDLER_ACTION_H_ 19 20 #include <string> 21 22 #include <gtest/gtest_prod.h> // for FRIEND_TEST 23 24 #include "update_engine/common/action.h" 25 #include "update_engine/omaha_request_action.h" 26 #include "update_engine/payload_consumer/install_plan.h" 27 #include "update_engine/system_state.h" 28 29 // This class reads in an Omaha response and converts what it sees into 30 // an install plan which is passed out. 31 32 namespace chromeos_update_engine { 33 34 class OmahaResponseHandlerAction; 35 36 template <> 37 class ActionTraits<OmahaResponseHandlerAction> { 38 public: 39 typedef OmahaResponse InputObjectType; 40 typedef InstallPlan OutputObjectType; 41 }; 42 43 class OmahaResponseHandlerAction : public Action<OmahaResponseHandlerAction> { 44 public: 45 explicit OmahaResponseHandlerAction(SystemState* system_state); 46 47 typedef ActionTraits<OmahaResponseHandlerAction>::InputObjectType 48 InputObjectType; 49 typedef ActionTraits<OmahaResponseHandlerAction>::OutputObjectType 50 OutputObjectType; 51 void PerformAction() override; 52 53 // This is a synchronous action, and thus TerminateProcessing() should 54 // never be called 55 void TerminateProcessing() override { CHECK(false); } 56 57 const InstallPlan& install_plan() const { return install_plan_; } 58 59 // Debugging/logging 60 static std::string StaticType() { return "OmahaResponseHandlerAction"; } 61 std::string Type() const override { return StaticType(); } 62 63 private: 64 // Returns true if payload hash checks are mandatory based on the state 65 // of the system and the contents of the Omaha response. False otherwise. 66 bool AreHashChecksMandatory(const OmahaResponse& response); 67 68 // Global system context. 69 SystemState* system_state_; 70 71 // The install plan, if we have an update. 72 InstallPlan install_plan_; 73 74 // File used for communication deadline to Chrome. 75 std::string deadline_file_; 76 77 friend class OmahaResponseHandlerActionTest; 78 friend class OmahaResponseHandlerActionProcessorDelegate; 79 FRIEND_TEST(UpdateAttempterTest, CreatePendingErrorEventResumedTest); 80 FRIEND_TEST(UpdateAttempterTest, RollbackMetricsNotRollbackFailure); 81 FRIEND_TEST(UpdateAttempterTest, RollbackMetricsNotRollbackSuccess); 82 FRIEND_TEST(UpdateAttempterTest, RollbackMetricsRollbackFailure); 83 FRIEND_TEST(UpdateAttempterTest, RollbackMetricsRollbackSuccess); 84 FRIEND_TEST(UpdateAttempterTest, SetRollbackHappenedNotRollback); 85 FRIEND_TEST(UpdateAttempterTest, SetRollbackHappenedRollback); 86 FRIEND_TEST(UpdateAttempterTest, UpdateDeferredByPolicyTest); 87 88 DISALLOW_COPY_AND_ASSIGN(OmahaResponseHandlerAction); 89 }; 90 91 } // namespace chromeos_update_engine 92 93 #endif // UPDATE_ENGINE_OMAHA_RESPONSE_HANDLER_ACTION_H_ 94