1 /*
2  * Copyright (C) 2017 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 #pragma once
18 
19 #include <iostream>
20 #include <string>
21 
22 #include <android-base/macros.h>
23 #include <android/hidl/manager/1.0/IServiceManager.h>
24 #include <utils/StrongPointer.h>
25 
26 #include "Command.h"
27 #include "NullableOStream.h"
28 #include "ParentDebugInfoLevel.h"
29 #include "utils.h"
30 
31 namespace android {
32 namespace lshal {
33 
34 class Lshal {
35 public:
36     Lshal();
~Lshal()37     virtual ~Lshal() {}
38     Lshal(std::ostream &out, std::ostream &err,
39             sp<hidl::manager::V1_0::IServiceManager> serviceManager,
40             sp<hidl::manager::V1_0::IServiceManager> passthroughManager);
41     Status main(const Arg &arg);
42     // global usage
43     void usage();
44     virtual NullableOStream<std::ostream> err() const;
45     virtual NullableOStream<std::ostream> out() const;
46     const sp<hidl::manager::V1_0::IServiceManager> &serviceManager() const;
47     const sp<hidl::manager::V1_0::IServiceManager> &passthroughManager() const;
48 
49     Status emitDebugInfo(
50             const std::string &interfaceName,
51             const std::string &instanceName,
52             const std::vector<std::string> &options,
53             ParentDebugInfoLevel parentDebugInfoLevel,
54             std::ostream &out,
55             NullableOStream<std::ostream> err) const;
56 
57     Command* selectCommand(const std::string& command) const;
58 
59     void forEachCommand(const std::function<void(const Command* c)>& f) const;
60 
61 private:
62     Status parseArgs(const Arg &arg);
63 
64     std::string mCommand;
65     NullableOStream<std::ostream> mOut;
66     NullableOStream<std::ostream> mErr;
67 
68     sp<hidl::manager::V1_0::IServiceManager> mServiceManager;
69     sp<hidl::manager::V1_0::IServiceManager> mPassthroughManager;
70 
71     std::vector<std::unique_ptr<Command>> mRegisteredCommands;
72 
73     DISALLOW_COPY_AND_ASSIGN(Lshal);
74 };
75 
76 }  // namespace lshal
77 }  // namespace android
78