Лабораторная работа №15 / 1 / 1

// 1.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#define INFO_BUFFER_SIZE 32768

using namespace std;

void printError(TCHAR* msg);
void summary(void);
void disks(void);
void disktype(void);
void diskinfo(void);


int _tmain(int argc, _TCHAR* argv[])
{
 unsigned int a=0,b=0,c=0;
  system("cls");
  cout<<"                                 The first Laboratory work\n ";
  cout<<"                         Taking information about computer system\n ";
  getch();
  do
   { 
	system("cls");
    cout<<"\n                                     Menu\n\n\n";
    cout<<" 1.Computer summary\n\n";
    cout<<" 2.List of disks in the system\n\n";
    cout<<" 3.Information about separate disk\n\n";
    cout<<" 4.Exit\n\n";
    cout<<"   Vibirite punkt menu: ";
    cin>>a;
    if(a<0||a>4)
     {
	  cout<<"\n   Vi dopustili oshibku!!!(1-4)";
	  cout<<"\n   Nagmite lubuu klavishu\n";
	  getch();
     }
    switch(a)
     {
	  case 1:
	   {
	    summary();break;
	   }
	  case 2:
	   {
	    disks();
		getch();
		break;
       }
	  case 3:   
	   {
        system("cls");
        cout<<"\n\n1.Disk type\n\n";
        cout<<"2.Disk space\n\n";
        cout<<"3.Exit\n\n";
        cout<<"  Vibirite punkt menu: ";
        cin>>c;
        if(c<0||c>3)
         {
	      cout<<"\n   Vi dopustili oshibku!!!(1-3)";
	      cout<<"\n   Nagmite lubuu klavishu\n";
	      getch();
         }
        switch(c)
		 {
		  case 1:	
		   {
		    disktype();break;
		   }
		  case 2:
		   {
			diskinfo();break;
		   }
		 }
	   }
	 }
   }
  while(a!=4);
  return 0;
}

void printError(TCHAR* msg )
 {
  DWORD eNum;
  TCHAR sysMsg[256];
  TCHAR* p;
  eNum = GetLastError();
  FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS,NULL,eNum,MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT),sysMsg,256,NULL);
  p=sysMsg;
  while((*p>31)||(*p==9))
  ++p;
  do
   { 
	*p--=0; 
   } 
  while((p>=sysMsg)&&((*p=='.')||(*p<33)));
  cout<< "\n  WARNING: %s failed with error %d (%s)", msg, eNum, sysMsg ;
  getch();
 }

void summary(void)
 {
  system("cls");
  TCHAR  infoBuf[INFO_BUFFER_SIZE];
  DWORD  bufCharCount = INFO_BUFFER_SIZE;
  SYSTEM_INFO siSysInfo;
  GetSystemInfo(&siSysInfo); 
  cout<<"\nHardware information:\n\n";  
  cout<<"\nProcessor Architecture:";  
  switch(siSysInfo.wProcessorArchitecture)
   {
    case PROCESSOR_ARCHITECTURE_INTEL:cout<<"Intel Processor Architecture";break;
	case PROCESSOR_ARCHITECTURE_UNKNOWN:cout<<"Unknown Processor Architecture";break;	   
   }
  cout<<"\nNumber of processors:"<<siSysInfo.dwNumberOfProcessors; 
  cout<<"\nPage size:"<<siSysInfo.dwPageSize; 
  cout<<"\nProcessor type:";
  switch(siSysInfo.dwProcessorType)
   {
    case 586:cout<<"Intel Pentium Pro";break;
	//case PROCESSOR_ARCHITECTURE_UNKNOWN:cout<<"Unknown Processor Architecture";break;	   
   }
  cout<<"\nMinimum application address:"<<siSysInfo.lpMinimumApplicationAddress; 
  cout<<"\nMaximum application address:"<<siSysInfo.lpMaximumApplicationAddress; 
  cout<<"\nGranularity:"<<siSysInfo.dwAllocationGranularity;
  cout<<"\nActive processor mask:"<<siSysInfo.dwActiveProcessorMask;
  cout<<"\nProcessor level:";
  switch(siSysInfo.wProcessorLevel)
   {
    case 3:cout<<"Intel 80386";break;
    case 4:cout<<"Intel 80486";break;
	case 5:cout<<"Pentium";break;
	default:cout<<"Other type of processor";
   }
  cout<<"\nProcessor revision:"<<siSysInfo.wProcessorRevision; 
  if(!GetComputerName(infoBuf,&bufCharCount))
  printError("GetComputerName"); 
  cout<<"\nComputer name:"<<infoBuf;
  getch();
 }

void disks(void)
 {
  DWORD DISKS=0;
  system("cls");
  DISKS=GetLogicalDrives();
  cout<<"\nDisks on the system:\n\n";
  unsigned long mask=1;
  int k=1;
  for(int i=0;i<32;i++)
   {
    if(DISKS&mask)
	 {
	  printf("%d)%c\n",k,i+65);
	  k++;
	 }
    mask<<=1;
   }
 }

void disktype(void)
 {
  UINT DISKTYPE=0; 
  char str[5],q;
  do
   {
	disks();
	cout<<"\nChoose the disk to return information about\n";
	cout<<"Format of input: C:\\,A:\\,etc.   ";
    fflush(stdin);
    gets(str);
    DISKTYPE=GetDriveType(str);
    switch(DISKTYPE)
     {
	  case DRIVE_UNKNOWN:cout<<"The drive type cannot be determined.";break;
 	  case DRIVE_NO_ROOT_DIR:cout<<"The root path is invalid. For example, no volume is mounted at the path.";break;
	  case DRIVE_REMOVABLE:cout<<"The disk can be removed from the drive.";break;
	  case DRIVE_FIXED:cout<<"The disk cannot be removed from the drive.";break;
	  case DRIVE_REMOTE:cout<<"The drive is a remote (network) drive.";break;
	  case DRIVE_CDROM:cout<<"The drive is a CD-ROM drive.";break;
	  case DRIVE_RAMDISK:cout<<"The drive is a RAM disk.";break;
     }
    getch();
    do
     {
      cout<<"\nDo yo want to repeat?(y/n)";
	  cin>>q;
	  if(q!='y'&&q!='Y'&&q!='N'&&q!='n')
	   {
	    cout<<"You make a mistake!!!";
	    getch();
	   }
     }
    while(q!='y'&&q!='Y'&&q!='N'&&q!='n');
   }
  while(q!='n'&&q!='N');
 }

 void diskinfo(void)
  { 
   char q;
   system("cls");
   BOOL fResult1;
   char pszDrive[100]; 
   DWORD dwSectPerClust,dwBytesPerSect,dwFreeClusters,dwTotalClusters;
   do
    {
    disks();
    cout<<"\nSpecify a directory on the disk of interest\n";
    cout<<"Format of input: \\MyServer\\MyShare\\,etc.   ";
    fflush(stdin);
    gets(pszDrive);
    fResult1=GetDiskFreeSpace(pszDrive,&dwSectPerClust,&dwBytesPerSect,&dwFreeClusters, &dwTotalClusters);
    if(fResult1)
	 {
      cout<<"\nAttantion:this information considers per-user quotas(if they are in use)";
      cout<<"\nSectors per cluster:"<<dwSectPerClust;
	  cout<<"\nBytes per sector:"<<dwBytesPerSect;
	  cout<<"\nTotal number of free clusters on the disk:"<<dwFreeClusters;
	  cout<<"\nTotal number of clusters on the disk:"<<dwTotalClusters; 
	 }
	else
	 {
	  cout<<"Error!!!";
	  cout<<"Verify format of input";
      getch();
	 }
    do
     {
      cout<<"\nDo yo want to repeat?(y/n)";
	  cin>>q;
	  if(q!='y'&&q!='Y'&&q!='N'&&q!='n')
	   {
	    cout<<"You make a mistake!!!";
	    getch();
	   }
     }
    while(q!='y'&&q!='Y'&&q!='N'&&q!='n');
   }
  while(q!='n'&&q!='N');
  }