/// <summary>
/// Creates a new instance of the <see cref="StreamBufferReader"/> class.
/// </summary>
/// <param name="identifier">An integer to associate the stream to.</param>
/// <param name="encoding">Data <see cref="Encoding"/> used by the stream.</param>
/// <param name="delimiter">Determines boundaries for each string segment in the <see cref="Stream"/></param>
/// <param name="onNewString">Action to assign to the <see cref="NewString"/> event of the <see cref="StreamBufferReader"/> class.</param>
/// <returns>A new instance of the <see cref="StreamBufferReader"/> class</returns>
public static StreamBufferReader2 Create(int identifier, Encoding encoding, byte delimiter,
SynchronizationContext synchronizationContext,
Action <int, SynchronizationContext, string> onNewString)
{
ThrowIf.ArgumentIsNull(onNewString, nameof(onNewString));
StreamBufferReader2 streamBufferReader = new StreamBufferReader2(identifier, encoding, delimiter, synchronizationContext)
{
OnNewString = onNewString
};
return(streamBufferReader);
}
protected TcpIpNode(int identifier, int bufferLength, char endOfLine, SynchronizationContext synchronizationContext,
Func <ITcpIpNode, int, int, char, SynchronizationContext, Action <object, int, SynchronizationContext, string>,
Action <object, byte[], int>, ITcpReceiver> getTcpReceiver,
Action <object, int, SynchronizationContext, string> onDataItemReceived,
Action <object, byte[], int> onDataReceived)
{
ThrowIf.ArgumentIsOutOfRange(bufferLength, bLength => bLength < 1, nameof(bufferLength));
Identifier = identifier;
BufferLength = bufferLength;
EndOfLine = endOfLine;
SynchronizationContext = synchronizationContext;
_getTcpReceiver = getTcpReceiver ?? _DEFAULTGETTCPRECEIVER;
_onDataItemReceived = onDataItemReceived;
_onDataReceived = onDataReceived;
}
public async Task StartListeningAsync(IPAddress ipAddress, int port)
{
ThrowIf.ArgumentIsNull(ipAddress, nameof(ipAddress));
Disconnecting = false;
try
{
_tcpListener = GetTcpListener(ipAddress, port);
if (_tcpListener != null)
{
StartTcpListener(_tcpListener);
await AcceptTcpClientsAsync(_tcpListener).ConfigureAwait(false);
}
}
catch (Exception exception)
{
throw new TcpIpListenerStartListeningAsyncException(exception);
}
}
public TcpReceiver(ITcpIpNode tcpIpNode, int identifier, int bufferLength, char endOfLine, SynchronizationContext synchronizationContext,
Action <object, int, SynchronizationContext, string> onDataItemReceived, Action <object, byte[], int> onDataReceived)
{
ThrowIf.ArgumentIsNull(tcpIpNode, nameof(tcpIpNode));
ThrowIf.ArgumentIsOutOfRange(bufferLength, bLength => bLength < 1, nameof(bufferLength));
TcpIpNode = tcpIpNode;
Identifier = identifier;
BufferLength = bufferLength;
EndOfLine = endOfLine;
SynchronizationContext = synchronizationContext;
if (onDataItemReceived != null)
{
DataItemReceived += (o, e) => onDataItemReceived(o, e.Identifier, e.SynchronizationContext, e.Data);
}
if (onDataReceived != null)
{
DataReceived += (o, e) => onDataReceived(o, e.Buffer, e.BytesReceived);
}
}
/// <summary>
/// Reads a buffer (a byte array) converts the buffer's bytes into strings. The converted strings are returned via the <see cref="NewString"/> event.
/// </summary>
/// <param name="buffer">The buffer to read data from.</param>
/// <param name="bytesToRead">The number of bytes to read from the buffer.</param>
public void GetStrings(byte[] buffer, int bytesToRead)
{
ThrowIf.ArgumentIsNull(buffer, nameof(buffer));
ThrowIf.ArgumentIsOutOfRange(bytesToRead, n => n < 1, nameof(bytesToRead));
int indexBegin = 0;
int indexEnd = Array.IndexOf(buffer, Delimiter, indexBegin, bytesToRead);
if (indexEnd < 0)
{
_remainder += Encoding.GetString(buffer, indexBegin, bytesToRead);
}
else
{
do
{
string s = Encoding.GetString(buffer, indexBegin, indexEnd - indexBegin);
string result;
if (_remainder.Length == 0)
{
result = s;
}
else
{
result = _remainder + s;
_remainder = String.Empty;
}
OnNewString(Identifier, SynchronizationContext, result);
indexBegin = indexEnd + 1;
indexEnd = Array.IndexOf(buffer, Delimiter, indexBegin, bytesToRead - indexBegin);
} while (indexEnd > indexBegin);
if (indexBegin > 0 && indexBegin < bytesToRead)
{
_remainder = Encoding.GetString(buffer, indexBegin, bytesToRead - indexBegin);
}
}
}
public NetworkStreamProxy(NetworkStream networkStream)
{
ThrowIf.ArgumentIsNull(networkStream, nameof(networkStream));
_networkStream = networkStream;
}
public static async Task StartAsync(IPEndPoint ipEndPoint, TcpIpServerOptions tcpIpServerOptions)
{
ThrowIf.ArgumentIsNull(ipEndPoint, nameof(ipEndPoint));
await StartAsync(ipEndPoint.Address, ipEndPoint.Port, tcpIpServerOptions).ConfigureAwait(false);
}
public TcpListenerProxy(IPAddress ipAddress, int port)
{
ThrowIf.ArgumentIsNull(ipAddress, nameof(ipAddress));
_tcpListener = new TcpListener(ipAddress, port);
}
public static void ArgumentIsOutOfRange <T>(this T value, Func <T, bool> isOutOfRange, string paramName)
{
ThrowIf.ArgumentIsOutOfRange(value, isOutOfRange, paramName, ArgumentOutOfRangeExceptionMessage);
}
protected void Send(string value, ITcpClient tcpClient)
{
value += EndOfLine;
INetworkStream networkStream = default;
byte[] bytes = default;
try
{
ThrowIf.IsNull(tcpClient, "Error in Send(). tcpClient can't be null!");
try
{
bytes = Encoding.ASCII.GetBytes(value);
}
catch (Exception exception)
{
if (!Disconnecting)
{
throw new TcpIpGetBytesFailedException(exception);
}
}
try
{
networkStream = tcpClient.GetStream();
}
catch (Exception exception)
{
if (!Disconnecting)
{
throw new TcpIpGetStreamFailedException(exception);
}
}
if (networkStream.CanWrite)
{
try
{
networkStream.Write(bytes, 0, bytes.Length);
}
catch (Exception exception)
{
if (!Disconnecting)
{
throw new TcpIpNetworkStreamWriteFailedException(exception);
}
}
}
else
{
if (!Disconnecting)
{
throw new TcpIpNetworkStreamIsNotWriteableException();
}
}
}
catch (Exception exception)
{
if (!Disconnecting)
{
throw new TcpIpSendFailedException(exception);
}
}
}
public async Task ConnectAsync(IPAddress ipAddress, int port)
{
ThrowIf.ArgumentIsNull(ipAddress, nameof(ipAddress));
await ConnectAsyncImpl(ipAddress, port).ConfigureAwait(false);
}
