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.Internals;
  20 using Tizen.System;
  21
  22 internal static partial class Interop
  23 {
  24     internal static partial class RuntimeInfo
  25     {
  26         public delegate void RuntimeInformationChangedCallback(RuntimeInfoKey key, IntPtr userData);
  27
  28         [NativeStruct("runtime_memory_info_s", Include="runtime_info.h", PkgConfig="capi-system-runtime-info")]
  29         [StructLayout(LayoutKind.Sequential)]
  30         public struct MemoryInfo
  31         {
  32             public readonly int Total;
  33             public readonly int Used;
  34             public readonly int Free;
  35             public readonly int Cache;
  36             public readonly int Swap;
  37         }
  38
  39         [NativeStruct("process_memory_info_s", Include="runtime_info.h", PkgConfig="capi-system-runtime-info")]
  40         [StructLayout(LayoutKind.Sequential)]
  41         public struct ProcessMemoryInfo
  42         {
  43             public readonly int Vsz;
  44             public readonly int Rss;
  45             public readonly int Pss;
  46             public readonly int SharedClean;
  47             public readonly int SharedDirty;
  48             public readonly int PrivateClean;
  49             public readonly int PrivateDirty;
  50         }
  51
  52         [NativeStruct("runtime_cpu_usage_s", Include="runtime_info.h", PkgConfig="capi-system-runtime-info")]
  53         [StructLayout(LayoutKind.Sequential)]
  54         public struct CpuUsage
  55         {
  56             public readonly double User;
  57             public readonly double System;
  58             public readonly double Nice;
  59             public readonly double IoWait;
  60         }
  61
  62         [NativeStruct("process_cpu_usage_s", Include="runtime_info.h", PkgConfig="capi-system-runtime-info")]
  63         [StructLayout(LayoutKind.Sequential)]
  64         public struct ProcessCpuUsage
  65         {
  66             public readonly uint UTime;
  67             public readonly uint STime;
  68         }
  69
  70         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_value_int")]
  71         public static extern InformationError GetValue(RuntimeInfoKey key, out int status);
  72
  73         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_value_bool")]
  74         public static extern InformationError GetValue(RuntimeInfoKey key, out bool status);
  75
  76         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_value_double")]
  77         public static extern InformationError GetValue(RuntimeInfoKey key, out double status);
  78
  79         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_value_string")]
  80         public static extern InformationError GetValue(RuntimeInfoKey key, out string status);
  81
  82         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_system_memory_info")]
  83         public static extern InformationError GetSystemMemoryInfo(out MemoryInfo memoryInfo);
  84
  85         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_process_memory_info")]
  86         public static extern InformationError GetProcessMemoryInfo(int[] pid, int size, ref IntPtr array);
  87
  88         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_cpu_usage")]
  89         public static extern InformationError GetCpuUsage(out CpuUsage cpuUsage);
  90
  91         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_process_cpu_usage")]
  92         public static extern InformationError GetProcessCpuUsage(int[] pid, int size, ref IntPtr array);
  93
  94         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_processor_count")]
  95         public static extern InformationError GetProcessorCount(out int processorCount);
  96
  97         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_processor_current_frequency")]
  98         public static extern InformationError GetProcessorCurrentFrequency(int coreId, out int cpuFreq);
  99
 100         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_get_processor_max_frequency")]
 101         public static extern InformationError GetProcessorMaxFrequency(int coreId, out int cpuFreq);
 102
 103         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_set_changed_cb")]
 104         public static extern InformationError SetRuntimeInfoChangedCallback(RuntimeInfoKey runtimeInfoKey, RuntimeInformationChangedCallback cb, IntPtr userData);
 105
 106         [DllImport(Libraries.RuntimeInfo, EntryPoint = "runtime_info_unset_changed_cb")]
 107         public static extern InformationError UnsetRuntimeInfoChangedCallback(RuntimeInfoKey runtimeInfoKey);
 108     }
 109 }