/// <summary>
/// Computes MurmurHash3 on this set of bytes and returns the calculated hash value.
/// </summary>
/// <param name="data">The data to compute the hash of.</param>
/// <returns>A 32bit hash value.</returns>
public static int GetHash(byte[] data)
{
// Compute the hash
return(BitConverter.ToInt32(
Murmur32.GetBytes(data), 0
));
}
/// <summary>
/// Computes MurmurHash3 on this set of bytes and returns the calculated hash value.
/// </summary>
/// <param name="data">The data to compute the hash of.</param>
/// <returns>A 32bit hash value.</returns>
public static int GetHash(string data)
{
// Compute the hash
return(BitConverter.ToInt32(
Murmur32.GetBytes(Encoding.UTF8.GetBytes(data)), 0
));
}
/// <summary>
/// Computes MurmurHash3 on this set of bytes and returns the calculated hash value.
/// </summary>
/// <param name="data">The data to compute the hash of.</param>
/// <returns>A 32bit hash value.</returns>
public static byte[] GetBytes(string data)
{
// Compute the hash
return(Murmur32.GetBytes(
Encoding.UTF8.GetBytes(data)
));
}
/// <summary>
/// Constructs the state object.
/// </summary>
static EmitterStatus()
{
try
{
// Prepare the datastructure
Default = new EmitterStatus();
Default.Network = new EmitterStatusNetwork();
// Use the provider and get the external ip
Address = EmitterConfig.Default.Cluster.BroadcastEndpoint.ToString();
// Hash both values into one integer
NodeIdentifier = Murmur32.GetHash(Address);
}
catch (Exception ex)
{
// Log the exception here
Service.Logger.Log(ex);
}
}
/// <summary>
/// Computes MurmurHash3 on this set of bytes and returns the calculated hash value.
/// </summary>
/// <param name="data">The data to compute the hash of.</param>
/// <returns>A 32bit hash value.</returns>
public static string GetHex(byte[] data)
{
// Compute the hash
var bytes = Murmur32.GetBytes(data);
// Convert to string
char[] chars = new char[bytes.Length * 2];
byte current;
for (int y = 0, x = 0; y < bytes.Length; ++y, ++x)
{
current = ((byte)(bytes[y] >> 4));
chars[x] = (char)(current > 9 ? current + 0x37 : current + 0x30);
current = ((byte)(bytes[y] & 0xF));
chars[++x] = (char)(current > 9 ? current + 0x37 : current + 0x30);
}
// Get the hash of the string representation
return(new string(chars));
}
/// <summary>
/// Gets the node identifier from the endpoint.
/// </summary>
/// <param name="ep">The endpoint to convert.</param>
/// <returns></returns>
internal static int ToIdentifier(this IPEndPoint ep)
{
return(Murmur32.GetHash(ep.ToString()));
}
/// <summary>
/// Gets the murmur hash code for the type.
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static int ToIdentifier(this Type source)
{
return(Murmur32.GetHash(source.FullName));
}
