public async Task Initialize(string host, string port, ConnectionChannel connectionChannel, HeartbeatChannel heartbeatChannel, Action <Stream, bool, CancellationToken> packetReader, CancellationToken cancellationToken)
{
if (_client == null)
{
_client = new TcpSocketClient();
}
await _client.ConnectAsync(host, int.Parse(port), true, cancellationToken, true);
await connectionChannel.OpenConnection();
heartbeatChannel.StartHeartbeat();
await Task.Run(async() =>
{
while (true)
{
var sizeBuffer = new byte[4];
// First message should contain the size of message
await _client.ReadStream.ReadAsync(sizeBuffer, 0, sizeBuffer.Length, cancellationToken);
// The message is little-endian (that is, little end first),
// reverse the byte array.
Array.Reverse(sizeBuffer);
//Retrieve the size of message
var messageSize = BitConverter.ToInt32(sizeBuffer, 0);
var messageBuffer = new byte[messageSize];
await _client.ReadStream.ReadAsync(messageBuffer, 0, messageBuffer.Length, cancellationToken);
var answer = new MemoryStream(messageBuffer.Length);
await answer.WriteAsync(messageBuffer, 0, messageBuffer.Length, cancellationToken);
answer.Position = 0;
packetReader(answer, true, cancellationToken);
}
}, cancellationToken);
}
public async Task Connect(string host, int port,
ConnectionChannel connectionChannel,
HeartbeatChannel heartbeatChannel,
Func <Stream, bool, CancellationToken, Task> packetReader,
CancellationToken token)
{
await clientConnectLock.WaitAsync(token).ConfigureAwait(false);
try
{
if (client != null)
{
throw new Exception("Already set");
}
client = new ChromecastTcpClient();
stopTokenSource = new CancellationTokenSource();
combinedStopTokenSource = CancellationTokenSource.CreateLinkedTokenSource(stopTokenSource.Token, token);
CancellationToken combinedToken = combinedStopTokenSource.Token;
await client.ConnectAsync(host, port, combinedToken).ConfigureAwait(false);
readTask = ProcessRead(packetReader, combinedToken);
connectionChannel.OpenConnection(combinedStopTokenSource.Token);
heartbeatChannel.StartHeartbeat(combinedStopTokenSource.Token);
}
finally
{
clientConnectLock.Release();
}
}
public async Task Connect(string host, int port,
ConnectionChannel connectionChannel,
HeartbeatChannel heartbeatChannel,
Func <Stream, CancellationToken, Task> packetReader,
CancellationToken token)
{
using (var sync = await clientConnectLock.LockAsync(token).ConfigureAwait(false))
{
if (client != null)
{
throw new Exception("Already set");
}
client = new ChromecastTcpClient();
combinedStopTokenSource = CancellationTokenSource.CreateLinkedTokenSource(token);
CancellationToken combinedToken = combinedStopTokenSource.Token;
await client.ConnectAsync(host, port, combinedToken).ConfigureAwait(false);
readTask = TaskHelper.StartAsync(() => ProcessRead(packetReader, combinedToken), combinedToken);
connectionChannel.OpenConnection(combinedToken);
heartbeatChannel.StartHeartbeat(combinedToken);
}
}