while loop modification,restructre the code

Question

 is there any chance to restructure the fallowing code to improve performance....

 

 

public static string GetVolumeName(string devicePath)

{

_logger.CreateLog(Enumerations.LoggerEnum.Information, $"DiskLib::GetVolumeName: Input Device Path: {devicePath}");

_auditLogger.InsertAuditLog(LogStatus.Info, "GetVolumeName", "GetVolumeName", $"DiskLib::GetVolumeName: Input Device Path: {devicePath}");

string retVal = string.Empty;

StringBuilder sbVoluneName = new StringBuilder(uMax);

StringBuilder sbDevicePath = new StringBuilder(uMax);

Int64 handle = FindFirstVolume(sbVoluneName, uMax);

// return retVal;

if (handle != -1)

{

while (true)

{

int index = sbVoluneName.Length - 1;

if (sbVoluneName[0] != '\\' ||

sbVoluneName[1] != '\\' ||

sbVoluneName[2] != '?' ||

sbVoluneName[3] != '\\' ||

sbVoluneName[index] != '\\')

{

string tempName = sbVoluneName.ToString();

_logger.CreateLog(Enumerations.LoggerEnum.Error, $"DiskLib::GetVolumeName: FindFirstVolume/FindNextVolume function returned bad volume name: {tempName}");

_auditLogger.InsertAuditLog(LogStatus.Info, "GetVolumeName", "GetVolumeName", $"DiskLib::GetVolumeName: FindFirstVolume/FindNextVolume function returned bad volume name: {tempName}");

bool res1 = FindNextVolume(handle, sbVoluneName, uMax);

if (res1 == false)

{

break;

}

continue;

}

string vName = sbVoluneName.ToString();

string volName = sbVoluneName.ToString().Substring(4, index - 4);

_logger.CreateLog(Enumerations.LoggerEnum.Information, $"DiskLib::GetVolumeName: Volume Name: {volName}");

_auditLogger.InsertAuditLog(LogStatus.Info, "GetVolumeName", "GetVolumeName", $"DiskLib::GetVolumeName: Volume Name: {volName}");

int charCount = QueryDosDeviceA(volName, sbDevicePath, uMax);

if (charCount == 0)

{

_logger.CreateLog(Enumerations.LoggerEnum.Error, $"DiskLib::GetVolumeName: QueryDosDeviceW failed.");

_auditLogger.InsertAuditLog(LogStatus.Info, "GetVolumeName", "GetVolumeName", $"DiskLib::GetVolumeName: QueryDosDeviceW failed.");

bool res1 = FindNextVolume(handle, sbVoluneName, uMax);

if (res1 == false)

{

break;

}

continue;

}

string dPath = sbDevicePath.ToString();

_logger.CreateLog(Enumerations.LoggerEnum.Information, $"DiskLib::GetVolumeName: Device Path: {dPath}");

_auditLogger.InsertAuditLog(LogStatus.Info, "GetVolumeName", "GetVolumeName", $"DiskLib::GetVolumeName: Device Path: {dPath}");

if (dPath.Equals(devicePath))

{

retVal = volName;

break;

}

bool res = FindNextVolume(handle, sbVoluneName, uMax);

if (res == false)

break;

}

}

_logger.CreateLog(Enumerations.LoggerEnum.Information, $"DiskLib::GetVolumeName: Output Volume Name: {retVal}");

_auditLogger.InsertAuditLog(LogStatus.Info, "GetVolumeName", "GetVolumeName", $"DiskLib::GetVolumeName: Output Volume Name: {retVal}");

return retVal;

}