1 //
2 // Copyright (C) 2016 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_CLIENT_LIBRARY_CLIENT_BINDER_H_
18 #define UPDATE_ENGINE_CLIENT_LIBRARY_CLIENT_BINDER_H_
19 
20 #include <cstdint>
21 #include <memory>
22 #include <string>
23 #include <vector>
24 
25 #include <base/macros.h>
26 #include <utils/String16.h>
27 #include <utils/StrongPointer.h>
28 
29 #include <brillo/binder_watcher.h>
30 
31 #include "android/brillo/BnUpdateEngineStatusCallback.h"
32 #include "android/brillo/IUpdateEngine.h"
33 
34 #include "update_engine/client_library/include/update_engine/client.h"
35 
36 namespace update_engine {
37 namespace internal {
38 
39 class BinderUpdateEngineClient : public UpdateEngineClient {
40  public:
41   BinderUpdateEngineClient() = default;
42   bool Init();
43 
44   virtual ~BinderUpdateEngineClient() = default;
45 
46   bool AttemptUpdate(const std::string& app_version,
47                      const std::string& omaha_url,
48                      bool at_user_request) override;
49 
50   bool AttemptInstall(const std::string& omaha_url,
51                       const std::vector<std::string>& dlc_module_ids) override;
52 
53   bool GetStatus(int64_t* out_last_checked_time,
54                  double* out_progress,
55                  UpdateStatus* out_update_status,
56                  std::string* out_new_version,
57                  int64_t* out_new_size) const override;
58 
59   bool SetCohortHint(const std::string& in_cohort_hint) override;
60   bool GetCohortHint(std::string* out_cohort_hint) const override;
61 
62   bool SetUpdateOverCellularPermission(bool allowed) override;
63   bool GetUpdateOverCellularPermission(bool* allowed) const override;
64 
65   bool SetP2PUpdatePermission(bool enabled) override;
66   bool GetP2PUpdatePermission(bool* enabled) const override;
67 
68   bool Rollback(bool powerwash) override;
69 
70   bool GetRollbackPartition(std::string* rollback_partition) const override;
71 
72   void RebootIfNeeded() override;
73 
74   bool GetPrevVersion(std::string* prev_version) const override;
75 
76   bool ResetStatus() override;
77 
78   bool SetTargetChannel(const std::string& target_channel,
79                         bool allow_powerwash) override;
80 
81   bool GetTargetChannel(std::string* out_channel) const override;
82 
83   bool GetChannel(std::string* out_channel) const override;
84 
85   bool RegisterStatusUpdateHandler(StatusUpdateHandler* handler) override;
86   bool UnregisterStatusUpdateHandler(StatusUpdateHandler* handler) override;
87 
88   bool GetLastAttemptError(int32_t* last_attempt_error) const override;
89 
90   bool GetEolStatus(int32_t* eol_status) const override;
91 
92  private:
93   class StatusUpdateCallback
94       : public android::brillo::BnUpdateEngineStatusCallback {
95    public:
96     explicit StatusUpdateCallback(BinderUpdateEngineClient* client)
97         : client_(client) {}
98 
99     android::binder::Status HandleStatusUpdate(
100         const android::brillo::ParcelableUpdateEngineStatus& status) override;
101 
102    private:
103     BinderUpdateEngineClient* client_;
104   };
105 
106   android::sp<android::brillo::IUpdateEngine> service_;
107   android::sp<android::brillo::IUpdateEngineStatusCallback> status_callback_;
108   std::vector<update_engine::StatusUpdateHandler*> handlers_;
109   brillo::BinderWatcher binder_watcher_;
110 
111   DISALLOW_COPY_AND_ASSIGN(BinderUpdateEngineClient);
112 };  // class BinderUpdateEngineClient
113 
114 }  // namespace internal
115 }  // namespace update_engine
116 
117 #endif  // UPDATE_ENGINE_CLIENT_LIBRARY_CLIENT_BINDER_H_
118