/// <summary>
/// Asynchronously changes the icon of AnyBar
/// </summary>
/// <param name="image"></param>
/// <returns></returns>
public async Task ChangeAsync(AnyBarImage image)
{
await _socket.SendToAsync(
new ArraySegment <byte>(image.ToByteArray()),
SocketFlags.None,
_endPoint).ConfigureAwait(false);
}
/// <summary>
/// Synchronously changes the icon of AnyBar
/// </summary>
/// <param name="image"></param>
public void Change(AnyBarImage image)
{
_socket.SendTo(
image.ToByteArray(),
SocketFlags.None,
_endPoint);
}
/// <summary>
/// Asynchronously changes the icon of AnyBar
/// </summary>
/// <param name="image"></param>
/// <returns></returns>
public Task ChangeAsync(AnyBarImage image)
{
var tcs = new TaskCompletionSource <int>(_socket);
var buffer = image.ToByteArray();
_socket.BeginSendTo(buffer, 0, buffer.Length, SocketFlags.Broadcast, _endPoint, iar =>
{
var innerTcs = (TaskCompletionSource <int>)iar.AsyncState;
try { innerTcs.TrySetResult(((Socket)innerTcs.Task.AsyncState).EndSendTo(iar)); }
catch (Exception e) { innerTcs.TrySetException(e); }
}, tcs);
return(tcs.Task);
}
public void SendReceiveTest(AnyBarImage color)
{
const int ackTimeout = 1000;
const int testTimeout = 30000;
var datagram = Encoding.UTF8.GetBytes(color.ToString().ToLowerInvariant());
var datagramSize = datagram.Length;
var address = IPAddress.Loopback;
var server = new Socket(address.AddressFamily, SocketType.Dgram, ProtocolType.Udp);
var port = server.BindToAnonymousPort(address);
var client = new AnyBarClient(address, port);
var receiverAck = new ManualResetEventSlim();
var senderAck = new ManualResetEventSlim();
var serverThread = new Thread(() =>
{
using (server)
{
var endpoint = (IPEndPoint)server.LocalEndPoint;
var remote = endpoint.Create(endpoint.Serialize());
var recvBuffer = new byte[datagramSize];
int received = server.ReceiveFrom(recvBuffer, SocketFlags.None, ref remote);
Assert.Equal(datagramSize, received);
var receivedChecksums = Fletcher32.Checksum(recvBuffer, 0, received);
receiverAck.Set();
Assert.True(senderAck.Wait(ackTimeout));
senderAck.Reset();
}
});
serverThread.Start();
using (client)
{
client.Change(color);
Assert.True(receiverAck.Wait(ackTimeout));
receiverAck.Reset();
senderAck.Set();
}
Assert.True(serverThread.Join(testTimeout));
}
public static byte[] ToByteArray(this AnyBarImage self)
{
return(Encoding.UTF8.GetBytes(self.ToString().ToLowerInvariant()));
}
