public void Int64ReadWrite()
{
Int64 value;
Int64 result;
value = 20;
ResetPosition();
_writer.WriteInt64(value);
ResetPosition();
result = _reader.ReadInt64();
Assert.AreEqual(value, result);
//Multiple bytes
value = 300000000;
ResetPosition();
_writer.WriteInt64(value);
ResetPosition();
result = _reader.ReadInt64();
Assert.AreEqual(value, result);
//Negative Values
value = -30;
ResetPosition();
_writer.WriteInt64(value);
ResetPosition();
result = _reader.ReadInt64();
Assert.AreEqual(value, result);
//Int 32 Max Values + 1
value = 2147483648;
ResetPosition();
_writer.WriteInt64(value);
ResetPosition();
result = _reader.ReadInt64();
Assert.AreEqual(value, result);
//Int 32 Min Values - 1
value = -2147483649;
ResetPosition();
_writer.WriteInt64(value);
ResetPosition();
result = _reader.ReadInt64();
Assert.AreEqual(value, result);
}
/// <summary>
/// VBLKs may reside in the same sector as the VMDB header.
/// </summary>
public byte[] GetBytes()
{
byte[] buffer = new byte[Length];
ByteWriter.WriteAnsiString(buffer, 0x00, Signature, 4);
BigEndianWriter.WriteUInt32(buffer, 0x04, NumberOfVBlks);
BigEndianWriter.WriteUInt32(buffer, 0x08, BlockSize);
BigEndianWriter.WriteUInt32(buffer, 0x0C, HeaderSize);
BigEndianWriter.WriteUInt16(buffer, 0x10, (ushort)UpdateStatus);
BigEndianWriter.WriteUInt16(buffer, 0x12, MajorVersion);
BigEndianWriter.WriteUInt16(buffer, 0x14, MinorVersion);
ByteWriter.WriteAnsiString(buffer, 0x16, DiskGroupName, 31);
ByteWriter.WriteAnsiString(buffer, 0x35, DiskGroupGuidString, 64);
BigEndianWriter.WriteUInt64(buffer, 0x75, CommitTransactionID);
BigEndianWriter.WriteUInt64(buffer, 0x7D, PendingTransactionID);
BigEndianWriter.WriteUInt32(buffer, 0x85, CommittedTotalNumberOfVolumeRecords);
BigEndianWriter.WriteUInt32(buffer, 0x89, CommittedTotalNumberOfComponentRecords);
BigEndianWriter.WriteUInt32(buffer, 0x8D, CommittedTotalNumberOfExtentRecords);
BigEndianWriter.WriteUInt32(buffer, 0x91, CommittedTotalNumberOfDiskRecords);
BigEndianWriter.WriteUInt32(buffer, 0x95, CommittedTotalNumberOfDiskAccessRecords);
BigEndianWriter.WriteUInt32(buffer, 0xA1, PendingTotalNumberOfVolumeRecords);
BigEndianWriter.WriteUInt32(buffer, 0xA5, PendingTotalNumberOfComponentRecords);
BigEndianWriter.WriteUInt32(buffer, 0xA9, PendingTotalNumberOfExtentRecords);
BigEndianWriter.WriteUInt32(buffer, 0xAD, PendingTotalNumberOfDiskRecords);
BigEndianWriter.WriteUInt32(buffer, 0xB1, PendingTotalNumberOfDiskAccessRecords);
BigEndianWriter.WriteInt64(buffer, 0xBD, LastModificationDT.ToFileTimeUtc());
return(buffer);
}
private static byte[] GetTestPattern(long sectorIndex, int bytesPerSector)
{
byte[] pattern = new byte[bytesPerSector];
for (int offset = 0; offset <= bytesPerSector - 8; offset += 8)
{
BigEndianWriter.WriteInt64(pattern, offset, sectorIndex);
}
return(pattern);
}
private static byte[] GetTestPattern(long sectorIndex, int sectorCount, int bytesPerSector)
{
byte[] pattern = new byte[sectorCount * bytesPerSector];
for (int sectorOffset = 0; sectorOffset < sectorCount; sectorOffset++)
{
for (int offsetInSector = 0; offsetInSector <= bytesPerSector - 8; offsetInSector += 8)
{
BigEndianWriter.WriteInt64(pattern, sectorOffset * bytesPerSector + offsetInSector, sectorIndex + sectorOffset);
}
}
return(pattern);
}
public byte[] GetBytes()
{
byte[] buffer = new byte[Length];
ByteWriter.WriteAnsiString(buffer, 0x00, Signature, 8);
// we'll write the checksum later
BigEndianWriter.WriteUInt16(buffer, 0x0C, MajorVersion);
BigEndianWriter.WriteUInt16(buffer, 0x0E, MinorVersion);
BigEndianWriter.WriteInt64(buffer, 0x10, LastUpdateDT.ToFileTimeUtc());
BigEndianWriter.WriteUInt64(buffer, 0x18, UpdateSequenceNumber);
BigEndianWriter.WriteUInt64(buffer, 0x20, PrimaryPrivateHeaderLBA);
BigEndianWriter.WriteUInt64(buffer, 0x28, SecondaryPrivateHeaderLBA);
ByteWriter.WriteAnsiString(buffer, 0x30, DiskGuidString, 0x40);
ByteWriter.WriteAnsiString(buffer, 0x70, HostGuidString, 0x40);
ByteWriter.WriteAnsiString(buffer, 0xB0, DiskGroupGuidString, 0x40);
ByteWriter.WriteAnsiString(buffer, 0xF0, DiskGroupName, 31);
BigEndianWriter.WriteUInt32(buffer, 0x10F, BytesPerSector);
BigEndianWriter.WriteUInt32(buffer, 0x113, (uint)Flags);
BigEndianWriter.WriteUInt16(buffer, 0x117, PublicRegionSliceNumber);
BigEndianWriter.WriteUInt16(buffer, 0x119, PrivateRegionSliceNumber);
BigEndianWriter.WriteUInt64(buffer, 0x11B, PublicRegionStartLBA);
BigEndianWriter.WriteUInt64(buffer, 0x123, PublicRegionSizeLBA);
BigEndianWriter.WriteUInt64(buffer, 0x12B, PrivateRegionStartLBA);
BigEndianWriter.WriteUInt64(buffer, 0x133, PrivateRegionSizeLBA);
BigEndianWriter.WriteUInt64(buffer, 0x13B, PrimaryTocLBA);
BigEndianWriter.WriteUInt64(buffer, 0x143, SecondaryTocLBA);
BigEndianWriter.WriteUInt32(buffer, 0x14B, NumberOfConfigs);
BigEndianWriter.WriteUInt32(buffer, 0x14F, NumberOfLogs);
BigEndianWriter.WriteUInt64(buffer, 0x153, ConfigSizeLBA);
BigEndianWriter.WriteUInt64(buffer, 0x15B, LogSizeLBA);
BigEndianWriter.WriteUInt32(buffer, 0x163, DiskSignature);
BigEndianWriter.WriteGuidBytes(buffer, 0x167, DiskSetGuid);
BigEndianWriter.WriteGuidBytes(buffer, 0x177, DiskSetGuidRepeat);
uint checksum = CalculateChecksum(buffer);
BigEndianWriter.WriteUInt32(buffer, 0x08, checksum);
return(buffer);
}
