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 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 static void ArgumentIsOutOfRange <T>(this T value, Func <T, bool> isOutOfRange, string paramName)
{
ThrowIf.ArgumentIsOutOfRange(value, isOutOfRange, paramName, ArgumentOutOfRangeExceptionMessage);
}
