src/system/FSys_RuntimeInfoImpl.cpp

   1 //
   2 // Copyright (c) 2012 Samsung Electronics Co., Ltd.
   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 /**
  18  * @file                FSysRuntimeInfo.cpp
  19  * @brief               This is the implementation file for _RuntimeInfoImpl class.
  20  *
  21  *
  22  * This file contains the implementation of _RuntimeInfoImpl class.
  23  */
  24
  25 #include <unique_ptr.h>
  26 #include <pthread.h>
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #include <unistd.h>
  31 #include <sys/vfs.h>
  32 #include <app_storage.h>
  33 #include <devman.h>
  34 #include <runtime_info.h>
  35 #include <vconf.h>
  36
  37 #include <FIo.h>
  38 #include <FAppApp.h>
  39 #include <FBaseRtEvent.h>
  40 #include <FBaseRtIEventArg.h>
  41 #include <FBaseRtIEventListener.h>
  42 #include <FBaseRtThread.h>
  43 #include <FBaseSysLog.h>
  44 #include <FApp_AppInfo.h>
  45 #include <FBase_StringConverter.h>
  46
  47 #include "FSys_EnvironmentImpl.h"
  48 #include "FSys_RuntimeInfoImpl.h"
  49 #include "FSys_RuntimeClient.h"
  50
  51 using namespace Tizen::App;
  52 using namespace Tizen::Base;
  53 using namespace Tizen::Base::Runtime;
  54
  55 using namespace std;
  56
  57 namespace Tizen { namespace System
  58 {
  59
  60 #ifndef VCONFKEY_SERVICE_READY
  61 #define VCONFKEY_SERVICE_READY  "memory/deviced/boot_power_on"
  62 #endif
  63
  64 static const wchar_t* _ALLOCATED_MEMORY = L"AllocatedMemory";
  65 static const wchar_t* _MEMORY_ALLOCATED = L"http://tizen.org/runtime/memory.allocated";
  66 static const wchar_t* _MEMORY_ALLOCATED_SELF = L"http://tizen.org/runtime/memory.allocated.self";
  67
  68 static const wchar_t* _AVAILABLE_EXTERNAL_STORAGE = L"AvailableExternalStorage";
  69 static const wchar_t* _STORAGE_AVAILABLE_EXTERNAL = L"http://tizen.org/runtime/storage.available.external";
  70
  71 static const wchar_t* _AVAILABLE_INTERNAL_STORAGE = L"AvailableInternalStorage";
  72 static const wchar_t* _STORAGE_AVAILABLE_INTERNAL = L"http://tizen.org/runtime/storage.available.internal";
  73
  74 static const wchar_t* _AVAILABLE_MEDIA_STORAGE = L"AvailableMediaStorage";
  75 static const wchar_t* _STORAGE_AVAILABLE_INTERNAL_MEDIA = L"http://tizen.org/runtime/storage.available.internal.media";
  76
  77 static const wchar_t* _BATTERY_LEVEL = L"BatteryLevel";
  78 static const wchar_t* _CHARGING = L"IsCharging";
  79
  80 static const wchar_t* _CPU_CORE_ALL_USAGE = L"http://tizen.org/runtime/cpu.core.all.usage";
  81
  82 static const wchar_t* _MAX_ALLOCATABLE_MEMORY = L"MaxAllocatableMemory";
  83 static const wchar_t* _AVAILABLE_VIDEO_MEMORY = L"AvailableVideoMemory";
  84 static const wchar_t* _ALLOCATED_VIDEO_MEMORY = L"AllocatedVideoMemory";
  85 static const wchar_t* _AVAILABLE_MEMORY = L"AvailableMemory";
  86 static const wchar_t* _MEMORY_AVAILABLE = L"http://tizen.org/runtime/memory.available";
  87 static const wchar_t* _MEMORY_AVAILABLE_VIDEO = L"http://tizen.org/runtime/memory.available.video";
  88 static const wchar_t* _MEMORY_ALLOCATED_VIDEO = L"http://tizen.org/runtime/memory.allocated.video";
  89
  90 static const wchar_t* _STORAGE_ALLOCATED_INTERNAL_APPLICATION = L"http://tizen.org/runtime/storage.allocated.internal.application";
  91 static const wchar_t* _STORAGE_ALLOCATED_INTERNAL_AUDIO = L"http://tizen.org/runtime/storage.allocated.internal.audio";
  92 static const wchar_t* _STORAGE_ALLOCATED_INTERNAL_VIDEO = L"http://tizen.org/runtime/storage.allocated.internal.video";
  93 static const wchar_t* _STORAGE_ALLOCATED_INTERNAL_IMAGE = L"http://tizen.org/runtime/storage.allocated.internal.image";
  94 static const wchar_t* _STORAGE_ALLOCATED_INTERNAL_DOWNLOAD = L"http://tizen.org/runtime/storage.allocated.internal.download";
  95 static const wchar_t* _STORAGE_ALLOCATED_EXTERNAL_APPLICATION = L"http://tizen.org/runtime/storage.allocated.external.application";
  96 static const wchar_t* _STORAGE_ALLOCATED_EXTERNAL_AUDIO = L"http://tizen.org/runtime/storage.allocated.external.audio";
  97 static const wchar_t* _STORAGE_ALLOCATED_EXTERNAL_VIDEO = L"http://tizen.org/runtime/storage.allocated.external.video";
  98 static const wchar_t* _STORAGE_ALLOCATED_EXTERNAL_IMAGE = L"http://tizen.org/runtime/storage.allocated.external.image";
  99 static const wchar_t* _STORAGE_ALLOCATED_EXTERNAL_DOWNLOAD = L"http://tizen.org/runtime/storage.allocated.external.download";
 100
 101 static const wchar_t _BOOT_STATUS_KEY[] = L"http://tizen.org/runtime/system.status";
 102 static const wchar_t _BOOT_STATUS_INITIALIZING[] = L"initializing";
 103 static const wchar_t _BOOT_STATUS_READY[]  = L"ready";
 104
 105
 106 static const int _RUNTIME_INFO_EVENT_TYPE_INT = 101;
 107 static const int _RUNTIME_INFO_EVENT_TYPE_LONGLONG = 102;
 108
 109
 110 static const char* const _PROC_SYSTEM_MEMORY_INFO = "/proc/meminfo";
 111 static const char* const _PROC_PROCESS_MEMORY_INFO = "/proc/self/status";
 112 static const char* const _PROC_STAT = "/proc/stat";
 113
 114 static const char* const _PROC_KEY_SYSTEM_MEMORY_TOTAL = "MemTotal";
 115 static const char* const _PROC_KEY_SYSTEM_MEMORY_FREE = "MemFree";
 116 static const char* const _PROC_KEY_PROCESS_MEMORY = "VmSize";
 117
 118 static const char* const _ROOT_PATH = "/";
 119
 120 static const int _MAX_BUFFER_LENGTH = 1024;
 121
 122 static const int _CPU_USAGE_EVALUATION_INTERVAL = 1000000; //1 sec
 123
 124 typedef struct {
 125     char cpu[20];
 126     unsigned long long user;
 127     unsigned long long system;
 128     unsigned long long nice;
 129     unsigned long long idle;
 130     unsigned long long wait;
 131     unsigned long long hi;
 132     unsigned long long si;
 133     unsigned long long zero;
 134 } procstat_t;
 135
 136 bool read_proc_stat(procstat_t *p)
 137 {
 138         FILE *fp = null;
 139         int ret = 0;
 140
 141         fp = fopen(_PROC_STAT, "r");
 142         if(fp == null)
 143         {
 144                 return false;
 145         }
 146
 147         ret = fscanf(fp, "%s %llu %llu %llu %llu %llu %llu %llu %llu",
 148         p->cpu,
 149         &p->user,
 150         &p->system,
 151         &p->nice,
 152         &p->idle,
 153         &p->wait,
 154         &p->hi,
 155         &p->si,
 156         &p->zero);
 157
 158         if(ret < 1)
 159         {
 160                 if(fp != null)
 161                 {
 162                         fclose(fp);
 163                 }
 164                 return false;
 165         }
 166
 167         if(fp != null)
 168         {
 169                 fclose(fp);
 170         }
 171
 172         return true;
 173 }
 174
 175 void diff_proc_stat(procstat_t *a, procstat_t *b, procstat_t *d)
 176 {
 177         d->user     = a->user   - b->user;
 178         d->system   = a->system - b->system;
 179         d->nice     = a->nice   - b->nice;
 180         d->idle     = a->idle   - b->idle;
 181         d->wait     = a->wait   - b->wait;
 182         d->hi       = a->hi     - b->hi;
 183         d->si       = a->si     - b->si;
 184         d->zero     = a->zero   - b->zero;
 185 }
 186
 187 class _RuntimeInfoEventArg : public IEventArg
 188 {
 189 public:
 190         _RuntimeInfoEventArg()
 191         : Type(0)
 192         , intValue(0)
 193         , longLongValue(0)
 194         , errorCode(E_SUCCESS)
 195         , DirectoryPath(null)
 196         , pListener(null)
 197         {
 198         }
 199
 200         ~_RuntimeInfoEventArg()
 201         {
 202                 if(DirectoryPath != null)
 203                 {
 204                         delete [] DirectoryPath;
 205                 }
 206         }
 207
 208         int Type;
 209         int intValue;
 210         long long longLongValue;
 211         result errorCode;
 212         char* DirectoryPath;
 213         IEventListener* pListener;
 214 };
 215
 216 class _RuntimeInfoEvent : public Event
 217 {
 218 protected:
 219         void FireImpl(IEventListener& listener, const IEventArg& arg)
 220         {
 221                 const _RuntimeInfoEventArg* runtimeArg = dynamic_cast<const _RuntimeInfoEventArg*> (&arg);
 222
 223                 if(runtimeArg == null)
 224                 {
 225                         SysLogException(NID_SYS, E_SYSTEM, "Argument is null.");
 226                         return;
 227                 }
 228
 229                 switch(runtimeArg->Type)
 230                 {
 231                 case _RUNTIME_INFO_EVENT_TYPE_INT:
 232                 {
 233                         IRuntimeInfoGetIntAsyncResultListener* pIntListener = dynamic_cast<IRuntimeInfoGetIntAsyncResultListener*>(&listener);
 234
 235                         if(pIntListener == runtimeArg->pListener)
 236                         {
 237                                 pIntListener->OnResultReceivedForGetValueAsync(runtimeArg->intValue, runtimeArg->errorCode);
 238                                 RemoveListener(listener);
 239                         }
 240                 }
 241                 break;
 242                 case _RUNTIME_INFO_EVENT_TYPE_LONGLONG:
 243                 {
 244                         IRuntimeInfoGetLonglongAsyncResultListener* pLonglongListener = dynamic_cast<IRuntimeInfoGetLonglongAsyncResultListener*>(&listener);
 245                         if(pLonglongListener == runtimeArg->pListener)
 246                         {
 247                                 pLonglongListener->OnResultReceivedForGetValueAsync(runtimeArg->longLongValue, runtimeArg->errorCode);
 248                                 RemoveListener(listener);
 249                         }
 250                 }
 251                 break;
 252                 }
 253         }
 254 };
 255
 256 _RuntimeInfoEvent runtimeInfoEvent;
 257
 258 _RuntimeInfoImpl::_RuntimeInfoImpl(void)
 259 {
 260 }
 261
 262 _RuntimeInfoImpl::~_RuntimeInfoImpl(void)
 263 {
 264 }
 265
 266 result
 267 _RuntimeInfoImpl::GetValue(const String& key, String& value)
 268 {
 269         if (key == _BOOT_STATUS_KEY)
 270         {
 271                 int bootReady = -1;
 272                 const int errorCode = vconf_get_int(VCONFKEY_SERVICE_READY, &bootReady);
 273                 if (errorCode != 0)
 274                 {
 275                         value = (bootReady == 1 ) ? _BOOT_STATUS_READY : _BOOT_STATUS_INITIALIZING;
 276
 277                         return E_SUCCESS;
 278                 }
 279
 280                 return E_SYSTEM;
 281         }
 282         else
 283         {
 284                 return E_OBJ_NOT_FOUND;
 285         }
 286 }
 287
 288 result
 289 _RuntimeInfoImpl::GetValue(const String& key, int& value)
 290 {
 291         int total_size = 0;
 292         int free_size =0;
 293         result r = E_OBJ_NOT_FOUND;
 294
 295         if (key == _BATTERY_LEVEL)
 296         {
 297                 return GetBatteryLevel(value);
 298         }
 299         else if (key == _ALLOCATED_MEMORY || key == _ALLOCATED_VIDEO_MEMORY)
 300         {
 301                 r = GetFromProc(_PROC_PROCESS_MEMORY_INFO, _PROC_KEY_PROCESS_MEMORY, free_size);
 302                 SysTryReturnResult(NID_SYS, r == E_SUCCESS, E_SYSTEM, "It is failed to get memory size.");
 303                 value = free_size * 1024;
 304         }
 305         else if (key == _AVAILABLE_MEMORY || key == _AVAILABLE_VIDEO_MEMORY || key == _MAX_ALLOCATABLE_MEMORY)
 306         {
 307                 r = GetFromProc(_PROC_SYSTEM_MEMORY_INFO, _PROC_KEY_SYSTEM_MEMORY_FREE, free_size);
 308                 SysTryReturnResult(NID_SYS, r == E_SUCCESS, E_SYSTEM, "It is failed to get memory size.");
 309                 value = free_size * 1024;
 310         }
 311         return r;
 312 }
 313
 314 result
 315 _RuntimeInfoImpl::GetValue(const String& key, long long& value)
 316 {
 317
 318         long long total_size = 0;
 319         long long free_size =0;
 320         result r = E_OBJ_NOT_FOUND;
 321
 322         if (key == _MEMORY_AVAILABLE || key == _MEMORY_AVAILABLE_VIDEO)
 323         {
 324                 r = GetFromProcLonglong(_PROC_SYSTEM_MEMORY_INFO, _PROC_KEY_SYSTEM_MEMORY_FREE, free_size);
 325                 SysTryReturnResult(NID_SYS, r == E_SUCCESS, E_SYSTEM, "It is failed to get memory size.");
 326                 value = free_size * 1024;
 327         }
 328         else if (key == _MEMORY_ALLOCATED || key == _MEMORY_ALLOCATED_VIDEO)
 329         {
 330                 r = GetFromProcLonglong(_PROC_SYSTEM_MEMORY_INFO, _PROC_KEY_SYSTEM_MEMORY_TOTAL, total_size);
 331                 SysTryReturnResult(NID_SYS, r == E_SUCCESS, E_SYSTEM, "It is failed to get memory size.");
 332                 r = GetFromProcLonglong(_PROC_SYSTEM_MEMORY_INFO, _PROC_KEY_SYSTEM_MEMORY_FREE, free_size);
 333                 SysTryReturnResult(NID_SYS, r == E_SUCCESS, E_SYSTEM, "It is failed to get memory size.");
 334                 value = (total_size - free_size) * 1024;
 335         }
 336         else if (key == _MEMORY_ALLOCATED_SELF)
 337         {
 338                 r = GetFromProcLonglong(_PROC_PROCESS_MEMORY_INFO, _PROC_KEY_PROCESS_MEMORY, free_size);
 339                 SysTryReturnResult(NID_SYS, r == E_SUCCESS, E_SYSTEM, "It is failed to get memory size.");
 340                 value = free_size * 1024;
 341         }
 342         else if (key == _AVAILABLE_INTERNAL_STORAGE)
 343         {
 344                 return GetAvailableInternalStorage(value);
 345         }
 346         else if (key == _AVAILABLE_EXTERNAL_STORAGE)
 347         {
 348                 return GetAvailableExternalStorage(value);
 349         }
 350         else if (key == _AVAILABLE_MEDIA_STORAGE)
 351         {
 352                 return GetAvailableMediaStorage(value);
 353         }
 354         else if(key == _STORAGE_AVAILABLE_INTERNAL)
 355         {
 356                 return GetAvailableInternalStorage(value);
 357         }
 358         else if(key == _STORAGE_AVAILABLE_EXTERNAL)
 359         {
 360                 return GetAvailableExternalStorage(value);
 361         }
 362         else if(key == _STORAGE_AVAILABLE_INTERNAL_MEDIA)
 363         {
 364                 return GetAvailableMediaStorage(value);
 365         }
 366         else
 367         {
 368                 SysLogException(NID_SYS, r, "Key[%ls] is not valid.", key.GetPointer());
 369         }
 370         return r;
 371 }
 372
 373 long long
 374 _RuntimeInfoImpl::GetDirectorySize(const char* path)
 375 {
 376         if(path == null)
 377         {
 378                 return 0;
 379         }
 380
 381         char* pCommand = null;
 382         char* pFileName = null;
 383         int fileLength = 0;
 384         int commandLength = 0;
 385         long long size = 0;
 386         int ret = 0;
 387         FILE* pFile = null;
 388
 389         Tizen::App::App* pApp = Tizen::App::App::GetInstance();
 390         if(pApp == null)
 391         {
 392                 return 0;
 393         }
 394
 395         String appId(pApp->GetAppId());
 396         unique_ptr <char[]> appIdPath(_StringConverter::CopyToCharArrayN(appId));
 397
 398         fileLength = strlen(appIdPath.get()) + 29;
 399         pFileName = (char*)malloc(fileLength);
 400         ret = sprintf(pFileName, "/tmp/size_of_directory_%s.tmp", appIdPath.get());
 401         SysTryCatch(NID_SYS, ret > 0, E_SYSTEM, E_SYSTEM, "It is failed to write file path.");
 402
 403         commandLength = strlen(pFileName) + 8;
 404         pCommand = (char*) malloc(commandLength);
 405         ret = sprintf(pCommand, "rm -rf %s", pFileName);
 406         SysTryCatch(NID_SYS, ret > 0, E_SYSTEM, E_SYSTEM, "It is failed to write remove pCommand.");
 407
 408         ret = system(pCommand);
 409         if(ret == -1)
 410         {
 411                 SysLogException(NID_SYS, E_SYSTEM, "It is failed to execute pCommand[%s].", pCommand);
 412         }
 413         free(pCommand);
 414         pCommand = null;
 415
 416         commandLength = strlen(pFileName) + strlen(path) + 16;
 417         pCommand = (char*)malloc(commandLength);
 418         ret = sprintf(pCommand, "du -skb -P %s >> %s", path, pFileName);
 419         SysTryCatch(NID_SYS, ret > 0, E_SYSTEM, E_SYSTEM, "It is failed to write du pCommand.");
 420
 421         ret = system(pCommand);
 422         SysTryCatch(NID_SYS, ret != -1, E_SYSTEM, E_SYSTEM, "It is failed to execute pCommand[%s].", pCommand);
 423
 424         pFile = fopen(pFileName, "r");
 425         SysTryCatch(NID_SYS, pFile != null, E_SYSTEM, E_SYSTEM, "It is failed to read file [%s].", pFileName);
 426
 427         ret = fscanf(pFile, "%lld", &size);
 428         SysTryCatch(NID_SYS, ret > 0, E_SYSTEM, E_SYSTEM, "It is failed to read file [%s].", pFileName);
 429
 430         ret = sprintf(pCommand, "rm -rf %s", pFileName);
 431         SysTryCatch(NID_SYS, ret > 0, E_SYSTEM, E_SYSTEM, "It is failed to write remove pCommand.");
 432
 433         ret = system(pCommand);
 434         SysTryCatch(NID_SYS, ret != -1, E_SYSTEM, E_SYSTEM, "It is failed to execute pCommand[%s].", pCommand);
 435
 436 CATCH:
 437         if (pFileName)
 438         {
 439                 free(pFileName);
 440         }
 441         if (pCommand)
 442         {
 443                 free(pFileName);
 444         }
 445         if (pFile)
 446         {
 447                 fclose(pFile);
 448         }
 449         return size;
 450 }
 451
 452 result
 453 _RuntimeInfoImpl::GetValue(const String& key, double& value)
 454 {
 455         return E_OBJ_NOT_FOUND;
 456 }
 457
 458 result
 459 _RuntimeInfoImpl::GetValue(const String& key, bool& value)
 460 {
 461         if (key == _CHARGING)
 462         {
 463                 return IsChargingMode(value);
 464         }
 465         else
 466         {
 467                 return E_OBJ_NOT_FOUND;
 468         }
 469 }
 470
 471 result
 472 _RuntimeInfoImpl::GetValue(const String& key, UuId& value)
 473 {
 474         return E_OBJ_NOT_FOUND;
 475 }
 476
 477 result
 478 _RuntimeInfoImpl::GetBatteryLevel(int& value)
 479 {
 480         int batteryValue = -1;
 481         batteryValue = device_get_battery_pct();
 482         SysTryReturnResult(NID_SYS, !(batteryValue < 0 || value > 100), E_SYSTEM, "[E_SYSTEM] device_get_battery_pct return %d", batteryValue);
 483         value = batteryValue;
 484
 485         return E_SUCCESS;
 486 }
 487
 488 result
 489 _RuntimeInfoImpl::IsChargingMode(bool& value)
 490 {
 491         bool chargeState = false;
 492         int ret = 0;
 493         ret = runtime_info_get_value_bool(RUNTIME_INFO_KEY_BATTERY_IS_CHARGING, &chargeState);
 494         SysTryReturnResult(NID_SYS, ret == 0, E_SYSTEM, "[E_SYSTEM] runtime_info_get_value_bool returns %d.", ret);
 495         value = chargeState;
 496         return E_SUCCESS;
 497
 498 }
 499
 500 result
 501 _RuntimeInfoImpl::GetAvailableInternalStorage(long long& value)
 502 {
 503         long long total = 0;
 504         result r = E_SUCCESS;
 505
 506         r = GetCapacity(_ROOT_PATH, total, value);
 507         SysTryReturn(NID_SYS, !IsFailed(r), E_SYSTEM, r, "[E_SYSTEM] system error has occurred. ");
 508
 509         return E_SUCCESS;
 510 }
 511 result
 512 _RuntimeInfoImpl::GetAvailableExternalStorage(long long& value)
 513 {
 514         int sdCardStatus = 0;
 515         int ret = -1;
 516         long long total = 0;
 517
 518         ret = vconf_get_int(VCONFKEY_SYSMAN_MMC_STATUS, &sdCardStatus);
 519         SysTryReturn(NID_SYS, !(ret < 0), E_SYSTEM, E_SYSTEM, "[E_SYSTEM] vconf_get_int VCONFKEY_SYSMAN_MMC_STATUS failed");
 520
 521         if(sdCardStatus == 0)
 522         {
 523                 value = 0;
 524                 return E_SUCCESS;
 525         }
 526         char* directoryPath = _StringConverter::CopyToCharArrayN(_EnvironmentImpl::GetExternalStoragePath());
 527         SysTryReturnResult(NID_SYS, directoryPath != null, E_SYSTEM, "It is failed to get external directory path.");
 528         result r = GetCapacity(directoryPath, total, value);
 529         delete [] directoryPath;
 530         return r ;
 531 }
 532
 533 result
 534 _RuntimeInfoImpl::GetAvailableMediaStorage(long long& value)
 535 {
 536         long long total = 0;
 537
 538         char* directoryPath = _StringConverter::CopyToCharArrayN(_EnvironmentImpl::GetMediaPath());
 539         SysTryReturnResult(NID_SYS, directoryPath != null, E_SYSTEM, "It is failed to get media directory path.");
 540         result r = GetCapacity(directoryPath, total, value);
 541         delete [] directoryPath;
 542         return r;
 543 }
 544
 545 result
 546 _RuntimeInfoImpl::GetCapacity(const char* path, long long& totalSize, long long& availableSize)
 547 {
 548         struct statfs fs;
 549         if (statfs(path, &fs) < 0)
 550         {
 551                 SysLogException(NID_SYS, E_SYSTEM, "[E_SYSTEM] statfs() failed");
 552                 return E_SYSTEM;
 553         }
 554
 555         totalSize = static_cast< long long >(fs.f_bsize) * static_cast< long long >(fs.f_blocks);
 556         availableSize = static_cast< long long >(fs.f_bsize) * static_cast< long long >(fs.f_bavail);
 557
 558         return E_SUCCESS;
 559 }
 560
 561 result
 562 _RuntimeInfoImpl::GetFromProcLonglong(const char* path, const char* key, long long& value)
 563 {
 564         FILE* pStream = null;
 565         char line[_MAX_BUFFER_LENGTH] = {0, };
 566         char fieldName[_MAX_BUFFER_LENGTH] = {0, };
 567         long long keyValue = 0;
 568         pStream = fopen(path, "r");
 569         SysTryReturnResult(NID_SYS, pStream != null, E_SYSTEM, "%s open is failed.", path);
 570
 571         while (fgets(line, sizeof(line), pStream))
 572         {
 573                 if (sscanf(line, "%s %lld %*s", fieldName, &keyValue) == 2)
 574                 {
 575                         if (strncmp(fieldName, key, static_cast< int >(strlen(key))) == 0)
 576                         {
 577                                 value = keyValue;
 578                                 fclose(pStream);
 579                                 return E_SUCCESS;
 580                         }
 581                 }
 582         }
 583         fclose(pStream);
 584
 585         SysLogException(NID_SYS, E_OBJ_NOT_FOUND, "it can't find %s field", key);
 586         return E_OBJ_NOT_FOUND;
 587 }
 588
 589 result
 590 _RuntimeInfoImpl::GetFromProc(const char* path, const char* key, int& value)
 591 {
 592         FILE* pStream = null;
 593         char line[_MAX_BUFFER_LENGTH] = {0, };
 594         char fieldName[_MAX_BUFFER_LENGTH] = {0, };
 595         int keyValue = 0;
 596         pStream = fopen(path, "r");
 597         SysTryReturnResult(NID_SYS, pStream != null, E_SYSTEM, "%s open is failed.", path);
 598
 599         while (fgets(line, sizeof(line), pStream))
 600         {
 601                 if (sscanf(line, "%s %d %*s", fieldName, &keyValue) == 2)
 602                 {
 603                         if (strncmp(fieldName, key, static_cast< int >(strlen(key))) == 0)
 604                         {
 605                                 value = keyValue;
 606                                 fclose(pStream);
 607                                 return E_SUCCESS;
 608                         }
 609                 }
 610         }
 611         fclose(pStream);
 612
 613         SysLogException(NID_SYS, E_OBJ_NOT_FOUND, "it can't find %s field", key);
 614         return E_OBJ_NOT_FOUND;
 615 }
 616
 617 void*
 618 _RuntimeInfoImpl::GetDirectorySizeAsync(void* data)
 619 {
 620         if(data == null)
 621         {
 622                 return null;
 623         }
 624         _RuntimeInfoEventArg* pEventArg = (_RuntimeInfoEventArg*)data;
 625         long long size = _RuntimeInfoImpl::GetDirectorySize(pEventArg->DirectoryPath);
 626
 627         if(pEventArg == null)
 628         {
 629                 SysLogException(NID_SYS, E_OUT_OF_MEMORY, "It is failed to create instance of _RuntimeInfoEventArg");
 630                 return null;
 631         }
 632         pEventArg->Type = _RUNTIME_INFO_EVENT_TYPE_LONGLONG;
 633         pEventArg->longLongValue = size;
 634         SysLog(NID_SYS, "Fire event %x %s %lld", pEventArg, pEventArg->DirectoryPath, size);
 635         runtimeInfoEvent.Fire(*pEventArg);
 636
 637         return null;
 638 }
 639
 640 void*
 641 _RuntimeInfoImpl::GetCpuUsageAsync(void* data)
 642 {
 643         result r = E_SUCCESS;
 644
 645         int value = 0;
 646         procstat_t first, second, diffrence;
 647         unsigned long long total, usage;
 648
 649         if(read_proc_stat(&first) != false)
 650         {
 651                 usleep(_CPU_USAGE_EVALUATION_INTERVAL);
 652                 if(read_proc_stat(&second) != false)
 653                 {
 654                         diff_proc_stat(&second, &first, &diffrence);
 655                         total = diffrence.user + diffrence.system
 656                                 + diffrence.nice + diffrence.idle
 657                                 + diffrence.wait + diffrence.hi
 658                                 + diffrence.si;
 659                         usage = 10000 - (diffrence.idle * 10000 / total);
 660                         value = usage/100;
 661                         r = E_SUCCESS;
 662                 }
 663                 else
 664                 {
 665                         r = E_SYSTEM;
 666                 }
 667         }
 668         else
 669         {
 670                 r = E_SYSTEM;
 671         }
 672
 673         _RuntimeInfoEventArg* pEventArg = (_RuntimeInfoEventArg*) data;
 674         if(pEventArg == null)
 675         {
 676                 SysLogException(NID_SYS, E_OUT_OF_MEMORY, "It is failed to create instance of _RuntimeInfoEventArg");
 677                 return null;
 678         }
 679         pEventArg->errorCode = r;
 680         pEventArg->Type = _RUNTIME_INFO_EVENT_TYPE_INT;
 681         pEventArg->intValue = value;
 682
 683         runtimeInfoEvent.Fire(*pEventArg);
 684
 685         return null;
 686 }
 687
 688 result
 689 _RuntimeInfoImpl::GetValueAsync(const String& key, IRuntimeInfoGetIntAsyncResultListener* listener)
 690 {
 691         result r = E_SUCCESS;
 692
 693         SysTryReturnResult(NID_SYS, listener != null, E_INVALID_ARG, "listener is null");
 694
 695         if (key == _CPU_CORE_ALL_USAGE)
 696         {
 697                 if(listener != null)
 698                 {
 699                         runtimeInfoEvent.AddListener(*listener);
 700                 }
 701
 702                 int thr_id = 0;
 703                 pthread_t p_thread;
 704                 _RuntimeInfoEventArg* pEventArg = new (std::nothrow) _RuntimeInfoEventArg();
 705                 pEventArg->pListener = listener;
 706                 thr_id = pthread_create(&p_thread, null, GetCpuUsageAsync, pEventArg);
 707                 pthread_detach(p_thread);
 708         }
 709         else
 710         {
 711                 SysLogException(NID_SYS, E_INVALID_ARG, "Required key[%ls] is not valid", key.GetPointer());
 712                 r = E_INVALID_ARG;
 713         }
 714         return r;
 715 }
 716
 717 result
 718 _RuntimeInfoImpl::GetValueAsync(const String& key, IRuntimeInfoGetLonglongAsyncResultListener* listener)
 719 {
 720         int thr_id = 0;
 721         pthread_t p_thread;
 722         result r = E_SUCCESS;
 723         String directoryPath;
 724
 725         SysTryReturnResult(NID_SYS, listener != null, E_INVALID_ARG, "listener is null");
 726
 727         if(key == _STORAGE_ALLOCATED_INTERNAL_APPLICATION)
 728         {
 729                 directoryPath.Append(_EnvironmentImpl::GetPredefinedPath(PREDEFINED_DIRECTORY_APPLICATIONS));
 730         }
 731         else if (key == _STORAGE_ALLOCATED_INTERNAL_AUDIO)
 732         {
 733                 directoryPath.Append(_EnvironmentImpl::GetPredefinedPath(PREDEFINED_DIRECTORY_SOUNDS));
 734         }
 735         else if (key == _STORAGE_ALLOCATED_INTERNAL_VIDEO)
 736         {
 737                 directoryPath.Append(_EnvironmentImpl::GetPredefinedPath(PREDEFINED_DIRECTORY_VIDEOS));
 738         }
 739         else if (key == _STORAGE_ALLOCATED_INTERNAL_IMAGE)
 740         {
 741                 directoryPath.Append(_EnvironmentImpl::GetPredefinedPath(PREDEFINED_DIRECTORY_IMAGES));
 742         }
 743         else if (key == _STORAGE_ALLOCATED_INTERNAL_DOWNLOAD)
 744         {
 745                 directoryPath.Append(_EnvironmentImpl::GetPredefinedPath(PREDEFINED_DIRECTORY_DOWNLOADS));
 746         }
 747         else if (key == _STORAGE_ALLOCATED_EXTERNAL_APPLICATION)
 748         {
 749                 directoryPath.Append(_EnvironmentImpl::GetPredefinedPath(PREDEFINED_DIRECTORY_EXTERNAL_APPLICATIONS));
 750         }
 751         else if (key == _STORAGE_ALLOCATED_EXTERNAL_AUDIO)
 752         {
 753                 directoryPath.Append(_EnvironmentImpl::GetPredefinedPath(PREDEFINED_DIRECTORY_EXTERNAL_SOUNDS));
 754         }
 755         else if (key == _STORAGE_ALLOCATED_EXTERNAL_VIDEO)
 756         {
 757                 directoryPath.Append(_EnvironmentImpl::GetPredefinedPath(PREDEFINED_DIRECTORY_EXTERNAL_VIDEOS));
 758         }
 759         else if (key == _STORAGE_ALLOCATED_EXTERNAL_IMAGE)
 760         {
 761                 directoryPath.Append(_EnvironmentImpl::GetPredefinedPath(PREDEFINED_DIRECTORY_EXTERNAL_IMAGES));
 762         }
 763         else if (key == _STORAGE_ALLOCATED_EXTERNAL_DOWNLOAD)
 764         {
 765                 directoryPath.Append(_EnvironmentImpl::GetPredefinedPath(PREDEFINED_DIRECTORY_EXTERNAL_DOWNLOADS));
 766         }
 767         else
 768         {
 769                 SysLogException(NID_SYS, E_INVALID_ARG, "Required key[%ls] is not valid", key.GetPointer());
 770                 r = E_INVALID_ARG;
 771         }
 772
 773         SysLog(NID_SYS, "%s", GetErrorMessage(r));
 774         SysLog(NID_SYS, "%ls", directoryPath.GetPointer());
 775         if(r == E_SUCCESS)
 776         {
 777                 _RuntimeClient* pRuntimeClient = _RuntimeClient::GetInstance();
 778                 pRuntimeClient->GetDirectorySizeValueAsync(directoryPath, listener);
 779         }
 780
 781         return r;
 782 }
 783
 784 _RuntimeInfoImpl*
 785 _RuntimeInfoImpl::GetInstance(RuntimeInfo& runtimeinfo)
 786 {
 787         return runtimeinfo.__pRuntimeInfoImpl;
 788 }
 789
 790 const _RuntimeInfoImpl*
 791 _RuntimeInfoImpl::GetInstance(const RuntimeInfo& runtimeinfo)
 792 {
 793         return runtimeinfo.__pRuntimeInfoImpl;
 794 }
 795
 796 } } //Tizen::System
 797