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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 FRAMEWORK_NATIVE_CMDS_LSHAL_TABLE_ENTRY_H_
18  #define FRAMEWORK_NATIVE_CMDS_LSHAL_TABLE_ENTRY_H_
19  
20  #include <stdint.h>
21  
22  #include <string>
23  #include <vector>
24  #include <iostream>
25  
26  #include <procpartition/procpartition.h>
27  #include <vintf/Arch.h>
28  #include <vintf/Transport.h>
29  
30  #include "TextTable.h"
31  
32  namespace android {
33  namespace lshal {
34  
35  using android::procpartition::Partition;
36  using Pids = std::vector<int32_t>;
37  
38  enum class TableColumnType : unsigned int {
39      INTERFACE_NAME,
40      TRANSPORT,
41      SERVER_PID,
42      SERVER_CMD,
43      SERVER_ADDR,
44      CLIENT_PIDS,
45      CLIENT_CMDS,
46      ARCH,
47      THREADS,
48      RELEASED,
49      HASH,
50      VINTF,
51      SERVICE_STATUS,
52  };
53  
54  enum : unsigned int {
55      VINTF_INFO_EMPTY = 0,
56      DEVICE_MANIFEST = 1 << 0,
57      DEVICE_MATRIX = 1 << 1,
58      FRAMEWORK_MANIFEST = 1 << 2,
59      FRAMEWORK_MATRIX = 1 << 3,
60  };
61  using VintfInfo = unsigned int;
62  
63  enum {
64      NO_PID = -1,
65      NO_PTR = 0
66  };
67  
68  enum class ServiceStatus {
69      UNKNOWN, // For passthrough
70      ALIVE,
71      NON_RESPONSIVE, // registered but not respond to calls
72      DECLARED, // in VINTF manifest
73  };
74  std::string to_string(ServiceStatus s);
75  
76  struct TableEntry {
77      std::string interfaceName{};
78      vintf::Transport transport{vintf::Transport::EMPTY};
79      int32_t serverPid{NO_PID};
80      uint32_t threadUsage{0};
81      uint32_t threadCount{0};
82      std::string serverCmdline{};
83      uint64_t serverObjectAddress{NO_PTR};
84      Pids clientPids{};
85      std::vector<std::string> clientCmdlines{};
86      vintf::Arch arch{vintf::Arch::ARCH_EMPTY};
87      // empty: unknown, all zeros: unreleased, otherwise: released
88      std::string hash{};
89      Partition partition{Partition::UNKNOWN};
90      VintfInfo vintfInfo{VINTF_INFO_EMPTY};
91      // true iff hwbinder and service started
92      ServiceStatus serviceStatus{ServiceStatus::UNKNOWN};
93  
sortByInterfaceNameTableEntry94      static bool sortByInterfaceName(const TableEntry &a, const TableEntry &b) {
95          return a.interfaceName < b.interfaceName;
96      };
sortByServerPidTableEntry97      static bool sortByServerPid(const TableEntry &a, const TableEntry &b) {
98          return a.serverPid < b.serverPid;
99      };
100  
getThreadUsageTableEntry101      std::string getThreadUsage() const {
102          if (threadCount == 0) {
103              return "N/A";
104          }
105  
106          return std::to_string(threadUsage) + "/" + std::to_string(threadCount);
107      }
108  
109      std::string isReleased() const;
110  
111      std::string getVintfInfo() const;
112  
113      std::string getField(TableColumnType type) const;
114  
115      bool operator==(const TableEntry& other) const;
116      std::string to_string() const;
117  };
118  
119  using SelectedColumns = std::vector<TableColumnType>;
120  
121  class Table {
122  public:
123      using Entries = std::vector<TableEntry>;
124  
begin()125      Entries::iterator begin() { return mEntries.begin(); }
begin()126      Entries::const_iterator begin() const { return mEntries.begin(); }
end()127      Entries::iterator end() { return mEntries.end(); }
end()128      Entries::const_iterator end() const { return mEntries.end(); }
size()129      size_t size() const { return mEntries.size(); }
130  
add(TableEntry && entry)131      void add(TableEntry&& entry) { mEntries.push_back(std::move(entry)); }
132  
setSelectedColumns(const SelectedColumns & s)133      void setSelectedColumns(const SelectedColumns& s) { mSelectedColumns = s; }
getSelectedColumns()134      const SelectedColumns& getSelectedColumns() const { return mSelectedColumns; }
135  
setDescription(std::string && d)136      void setDescription(std::string&& d) { mDescription = std::move(d); }
137  
138      // Write table content.
139      TextTable createTextTable(bool neat = true,
140          const std::function<std::string(const std::string&)>& emitDebugInfo = nullptr) const;
141  
142  private:
143      std::string mDescription;
144      Entries mEntries;
145      SelectedColumns mSelectedColumns;
146  };
147  
148  using TableEntryCompare = std::function<bool(const TableEntry &, const TableEntry &)>;
149  
150  class MergedTable {
151  public:
MergedTable(std::vector<const Table * > && tables)152      explicit MergedTable(std::vector<const Table*>&& tables) : mTables(std::move(tables)) {}
153      TextTable createTextTable();
154  private:
155      std::vector<const Table*> mTables;
156  };
157  
158  }  // namespace lshal
159  }  // namespace android
160  
161  #endif  // FRAMEWORK_NATIVE_CMDS_LSHAL_TABLE_ENTRY_H_
162