src/Tizen.System.Information/Interop/Interop.RuntimeInfo.cs

   1 /*
   2 * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
   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 using System;
  18 using System.Runtime.InteropServices;
  19 using Tizen.System;
  20
  21 internal static partial class Interop
  22 {
  23     internal static partial class RuntimeInfo
  24     {
  25         public delegate void RuntimeInformationChangedCallback(RuntimeInformationKey key, IntPtr userData);
  26
  27         [StructLayout(LayoutKind.Sequential)]
  28         public struct MemoryInfo
  29         {
  30             public readonly int Total;
  31             public readonly int Used;
  32             public readonly int Free;
  33             public readonly int Cache;
  34             public readonly int Swap;
  35         }
  36
  37         [StructLayout(LayoutKind.Sequential)]
  38         public struct ProcessMemoryInfo
  39         {
  40             public readonly int Vsz;
  41             public readonly int Rss;
  42             public readonly int Pss;
  43             public readonly int SharedClean;
  44             public readonly int SharedDirty;
  45             public readonly int PrivateClean;
  46             public readonly int PrivateDirty;
  47         }
  48
  49         [StructLayout(LayoutKind.Sequential)]
  50         public struct CpuUsage
  51         {
  52             public readonly double User;
  53             public readonly double System;
  54             public readonly double Nice;
  55             public readonly double IoWait;
  56         }
  57
  58         [StructLayout(LayoutKind.Sequential)]
  59         public struct ProcessCpuUsage
  60         {
  61             public readonly uint UTime;
  62             public readonly uint STime;
  63         }
  64
  65         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_value_int")]
  66         public static extern int GetValue(RuntimeInformationKey key, out int status);
  67
  68         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_value_bool")]
  69         public static extern int GetValue(RuntimeInformationKey key, out bool status);
  70
  71         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_value_double")]
  72         public static extern int GetValue(RuntimeInformationKey key, out double status);
  73
  74         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_value_string")]
  75         public static extern int GetValue(RuntimeInformationKey key, out string status);
  76
  77         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_system_memory_info")]
  78         public static extern int GetSystemMemoryInfo(out MemoryInfo memoryInfo);
  79
  80         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_process_memory_info")]
  81         public static extern int GetProcessMemoryInfo(int[] pid, int size, out ProcessMemoryInfo[] array);
  82
  83         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_cpu_usage")]
  84         public static extern int GetCpuUsage(out CpuUsage cpuUsage);
  85
  86         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_process_cpu_usage")]
  87         public static extern int GetProcessCpuUsage(int[] pid, int size, out ProcessCpuUsage[] array);
  88
  89         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_processor_count")]
  90         public static extern int GetProcessorCount(out int processorCount);
  91
  92         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_processor_current_frequency")]
  93         public static extern int GetProcessorCurrentFrequency(int coreId, out int cpuFreq);
  94
  95         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_processor_max_frequency")]
  96         public static extern int GetProcessorMaxFrequency(int coreId, out int cpuFreq);
  97
  98         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_set_changed_cb")]
  99         public static extern int SetRuntimeInfoChangedCallback(RuntimeInformationKey runtimeInfoKey, RuntimeInformationChangedCallback cb, IntPtr userData);
 100
 101         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_unset_changed_cb")]
 102         public static extern int UnsetRuntimeInfoChangedCallback(RuntimeInformationKey runtimeInfoKey);
 103     }
 104 }