public static byte[] Compute(byte[] bytes)
{
var hasher = new Crc32Hasher();
var hash = hasher.ComputeHash(bytes);
return(hash);
}
public void ParseFromValid()
{
Crc32Hasher crc32 = new Crc32Hasher();
string payload = "kafka";
byte magic = 1;
byte attributes = 0;
byte[] payloadData = Encoding.UTF8.GetBytes(payload);
byte[] payloadSize = BitConverter.GetBytes(payloadData.Length);
byte[] checksum = crc32.ComputeHash(payloadData);
byte[] messageData = new byte[payloadData.Length + 2 + payloadSize.Length + checksum.Length];
Buffer.BlockCopy(payloadSize, 0, messageData, 0, payloadSize.Length);
messageData[4] = magic;
messageData[5] = attributes;
Buffer.BlockCopy(checksum, 0, messageData, payloadSize.Length + 2, checksum.Length);
Buffer.BlockCopy(payloadData, 0, messageData, payloadSize.Length + 2 + checksum.Length, payloadData.Length);
Message message = Message.ParseFrom(messageData);
Assert.IsNotNull(message);
Assert.AreEqual(magic, message.Magic);
Assert.IsTrue(payloadData.SequenceEqual(message.Payload));
Assert.IsTrue(checksum.SequenceEqual(message.Checksum));
}
public static byte[] Compute(byte[] bytes)
{
var hasher = new Crc32Hasher();
byte[] hash = hasher.ComputeHash(bytes);
return hash;
}
internal static uint ComputeCrcUint32(byte[] bytes, int offset, int count)
{
var hasher = new Crc32Hasher();
return ~CalculateHash(InitializeTable(DefaultPolynomial), DefaultSeed, bytes, offset, count);
}
internal static uint ComputeCrcUint32(byte[] bytes, int offset, int count)
{
var hasher = new Crc32Hasher();
return(~CalculateHash(InitializeTable(DefaultPolynomial), DefaultSeed, bytes, offset, count));
}