public static void SendLengthPrefixed <T>(this Socket socket, byte[] data, Action <Exception, Socket>?exceptionThrown, TaskCompletionSource <T>?taskCompletionSource)
{
byte[] lengthPrefixed = ArrayHelpers.CombineArrays(BitConverter.GetBytes(data.Length), data);
try
{
socket.BeginSend(lengthPrefixed, 0, lengthPrefixed.Length, SocketFlags.None,
(ar) =>
{
try
{
socket.EndSend(ar);
}
catch (SocketException e)
{
exceptionThrown?.Invoke(e, socket);
taskCompletionSource?.TrySetException(e);
}
}, socket);
}
catch (SocketException e)
{
exceptionThrown?.Invoke(e, socket);
taskCompletionSource?.TrySetException(e);
}
}
public void CombineArrays()
{
byte[] one = new byte[1] {
1
};
byte[] two = new byte[1] {
2
};
byte[] three = new byte[1] {
3
};
byte[] combined = ArrayHelpers.CombineArrays(one, two, three);
Assert.IsTrue(combined[0] == 1);
Assert.IsTrue(combined[1] == 2);
Assert.IsTrue(combined[2] == 3);
Assert.IsTrue(combined.Length == 3);
}
