/// <summary>
/// Initializes a new instance of the <see cref="Connection"/> class.
/// </summary>
/// <param name="client">The client.</param>
/// <param name="textEncoding">The text encoding.</param>
/// <param name="newLineSequence">The new line sequence used for read and write operations.</param>
/// <param name="disableContinuousReading">if set to <c>true</c> [disable continuous reading].</param>
/// <param name="blockSize">Size of the block. -- set to 0 or less to disable.</param>
public Connection(
TcpClient client,
Encoding textEncoding,
string newLineSequence,
bool disableContinuousReading,
int blockSize)
{
// Setup basic properties
Id = Guid.NewGuid();
TextEncoding = textEncoding ?? throw new ArgumentNullException(nameof(textEncoding));
// Setup new line sequence
if (string.IsNullOrEmpty(newLineSequence))
{
throw new ArgumentException("Argument cannot be null", nameof(newLineSequence));
}
_newLineSequence = newLineSequence;
_newLineSequenceBytes = TextEncoding.GetBytes(_newLineSequence);
_newLineSequenceChars = _newLineSequence.ToCharArray();
_newLineSequenceLineSplitter = new[] { _newLineSequence };
// Setup Connection timers
ConnectionStartTimeUtc = DateTime.UtcNow;
DataReceivedLastTimeUtc = ConnectionStartTimeUtc;
DataSentLastTimeUtc = ConnectionStartTimeUtc;
// Setup connection properties
RemoteClient = client ?? throw new ArgumentNullException(nameof(client));
LocalEndPoint = client.Client.LocalEndPoint as IPEndPoint;
NetworkStream = RemoteClient.GetStream();
RemoteEndPoint = RemoteClient.Client.RemoteEndPoint as IPEndPoint;
// Setup buffers
_receiveBuffer = new byte[RemoteClient.ReceiveBufferSize * 2];
ProtocolBlockSize = blockSize;
_receiveBufferPointer = 0;
// Setup continuous reading mode if enabled
if (disableContinuousReading)
{
return;
}
ThreadPool.GetAvailableThreads(out var availableWorkerThreads, out _);
ThreadPool.GetMaxThreads(out var maxWorkerThreads, out _);
var activeThreadPoolTreads = maxWorkerThreads - availableWorkerThreads;
if (activeThreadPoolTreads < Environment.ProcessorCount / 4)
{
ThreadPool.QueueUserWorkItem(PerformContinuousReading, this);
}
else
{
new Thread(PerformContinuousReading)
{
IsBackground = true
}.Start();
}
}
