public BeginReceive ( byte buffer, int offset, int size, SocketFlags socketFlags, AsyncCallback callback, object state ) : IAsyncResult | ||
buffer | byte | |
offset | int | |
size | int | |
socketFlags | SocketFlags | |
callback | AsyncCallback | |
state | object | |
Результат | IAsyncResult |
private void ReceiveCallback(IAsyncResult ar) { int length = (int)ar.AsyncState; try { var bytesRead = _socket.EndReceive(ar); if (bytesRead == 0) { OnFinish(length); return; } length += bytesRead; int i; while ((i = IndexOf(_lineBuffer, _bufferIndex, length, _delimiterBytes, _delimiterSearchOffsetTable, _delimiterSearchCharTable)) != -1) { var decodeLen = i - _bufferIndex; string line = _encoding.GetString(_lineBuffer, _bufferIndex, decodeLen); _bufferIndex = i + _delimiterBytes.Length; length -= decodeLen; length -= _delimiterBytes.Length; var stop = _onLineRead(line, _state); if (stop) { OnFinish(length); return; } } if (length == _lineBuffer.Length) { OnException(new IndexOutOfRangeException("LineBuffer full! Try increace maxLineBytes!")); OnFinish(length); return; } if (_bufferIndex > 0) { Buffer.BlockCopy(_lineBuffer, _bufferIndex, _lineBuffer, 0, length); _bufferIndex = 0; } _socket.BeginReceive(_lineBuffer, length, _lineBuffer.Length - length, 0, ReceiveCallback, length); } catch (Exception ex) { OnException(ex); OnFinish(length); } }
public LineReader(WrappedSocket socket, Func<string, object, bool> onLineRead, Action<Exception, object> onException, Action<byte[], int, int, object> onFinish, Encoding encoding, string delimiter, int maxLineBytes, object state) { if (socket == null) { throw new ArgumentNullException(nameof(socket)); } if (onLineRead == null) { throw new ArgumentNullException(nameof(onLineRead)); } if (encoding == null) { throw new ArgumentNullException(nameof(encoding)); } if (delimiter == null) { throw new ArgumentNullException(nameof(delimiter)); } _socket = socket; _onLineRead = onLineRead; _onException = onException; _onFinish = onFinish; _encoding = encoding; // _delimiter = delimiter; _state = state; // decode delimiter _delimiterBytes = encoding.GetBytes(delimiter); if (_delimiterBytes.Length == 0) { throw new ArgumentException("Too short!", nameof(delimiter)); } if (maxLineBytes < _delimiterBytes.Length) { throw new ArgumentException("Too small!", nameof(maxLineBytes)); } _delimiterSearchCharTable = MakeCharTable(_delimiterBytes); _delimiterSearchOffsetTable = MakeOffsetTable(_delimiterBytes); _lineBuffer = new byte[maxLineBytes]; // start reading socket.BeginReceive(_lineBuffer, 0, maxLineBytes, 0, ReceiveCallback, 0); }
public LineReader(WrappedSocket socket, Func <string, object, bool> onLineRead, Action <Exception, object> onException, Action <byte[], int, int, object> onFinish, Encoding encoding, string delimiter, int maxLineBytes, object state) { if (socket == null) { throw new ArgumentNullException(nameof(socket)); } if (onLineRead == null) { throw new ArgumentNullException(nameof(onLineRead)); } if (encoding == null) { throw new ArgumentNullException(nameof(encoding)); } if (delimiter == null) { throw new ArgumentNullException(nameof(delimiter)); } _socket = socket; _onLineRead = onLineRead; _onException = onException; _onFinish = onFinish; _encoding = encoding; // _delimiter = delimiter; _state = state; // decode delimiter _delimiterBytes = encoding.GetBytes(delimiter); if (_delimiterBytes.Length == 0) { throw new ArgumentException("Too short!", nameof(delimiter)); } if (maxLineBytes < _delimiterBytes.Length) { throw new ArgumentException("Too small!", nameof(maxLineBytes)); } _delimiterSearchCharTable = MakeCharTable(_delimiterBytes); _delimiterSearchOffsetTable = MakeOffsetTable(_delimiterBytes); _lineBuffer = new byte[maxLineBytes]; // start reading socket.BeginReceive(_lineBuffer, 0, maxLineBytes, 0, ReceiveCallback, 0); }
private void NewPackageRecv() { int i; while ((i = _delimiterSearch.SearchIn(_lineBuffer, _bufferDataIndex, _bufferDataLength)) != -1) { var decodeLen = i - _bufferDataIndex; string line = _encoding.GetString(_lineBuffer, _bufferDataIndex, decodeLen); _bufferDataIndex = i + _delimiterBytes.Length; _bufferDataLength -= decodeLen; _bufferDataLength -= _delimiterBytes.Length; var stop = _onLineRead(line, _state); if (stop) { OnFinish(); return; } } if (_bufferDataLength == _lineBuffer.Length) { OnException(new IndexOutOfRangeException("LineBuffer full! Try increace maxLineBytes!")); OnFinish(); return; } if (_bufferDataIndex > 0) { Buffer.BlockCopy(_lineBuffer, _bufferDataIndex, _lineBuffer, 0, _bufferDataLength); _bufferDataIndex = 0; } _socket.BeginReceive(_lineBuffer, _bufferDataLength, _lineBuffer.Length - _bufferDataLength, 0, ReceiveCallback, _bufferDataLength); }
public LineReader(byte[] buffer, WrappedSocket socket, byte[] firstPackge, int index, int length, Func <string, object, bool> onLineRead, Action <Exception, object> onException, Action <byte[], int, int, object> onFinish, Encoding encoding, string delimiter, object state) { if (buffer == null) { throw new ArgumentNullException(nameof(buffer)); } if (socket == null) { throw new ArgumentNullException(nameof(socket)); } if (onLineRead == null) { throw new ArgumentNullException(nameof(onLineRead)); } if (encoding == null) { throw new ArgumentNullException(nameof(encoding)); } if (delimiter == null) { throw new ArgumentNullException(nameof(delimiter)); } if (buffer.Length < length) { throw new ArgumentException("Line buffer length can't less than first package length!", nameof(buffer)); } if (length > 0) { if (firstPackge == null) { throw new ArgumentNullException(nameof(firstPackge)); } } _socket = socket; _onLineRead = onLineRead; _onException = onException; _onFinish = onFinish; _encoding = encoding; // _delimiter = delimiter; _state = state; // decode delimiter _delimiterBytes = encoding.GetBytes(delimiter); if (_delimiterBytes.Length == 0) { throw new ArgumentException("Too short!", nameof(delimiter)); } if (buffer.Length < _delimiterBytes.Length) { throw new ArgumentException("Too small!", nameof(buffer)); } _delimiterSearch = new ByteSearch.SearchTarget(_delimiterBytes); _lineBuffer = buffer; if (length > 0) { // process first package if (buffer == firstPackge) { _bufferDataIndex = index; } else { Array.Copy(firstPackge, index, _lineBuffer, 0, length); } _bufferDataLength = length; try { NewPackageRecv(); } catch (Exception ex) { OnException(ex); OnFinish(); } } else { // start reading socket.BeginReceive(_lineBuffer, 0, _lineBuffer.Length, 0, ReceiveCallback, 0); } }
public LineReader(byte[] buffer, WrappedSocket socket, byte[] firstPackge, int index, int length, Func<string, object, bool> onLineRead, Action<Exception, object> onException, Action<byte[], int, int, object> onFinish, Encoding encoding, string delimiter, object state) { if (buffer == null) { throw new ArgumentNullException(nameof(buffer)); } if (socket == null) { throw new ArgumentNullException(nameof(socket)); } if (onLineRead == null) { throw new ArgumentNullException(nameof(onLineRead)); } if (encoding == null) { throw new ArgumentNullException(nameof(encoding)); } if (delimiter == null) { throw new ArgumentNullException(nameof(delimiter)); } if (buffer.Length < length) { throw new ArgumentException("Line buffer length can't less than first package length!", nameof(buffer)); } if (length > 0) { if (firstPackge == null) { throw new ArgumentNullException(nameof(firstPackge)); } } _socket = socket; _onLineRead = onLineRead; _onException = onException; _onFinish = onFinish; _encoding = encoding; // _delimiter = delimiter; _state = state; // decode delimiter _delimiterBytes = encoding.GetBytes(delimiter); if (_delimiterBytes.Length == 0) { throw new ArgumentException("Too short!", nameof(delimiter)); } if (buffer.Length < _delimiterBytes.Length) { throw new ArgumentException("Too small!", nameof(buffer)); } _delimiterSearch = new ByteSearch.SearchTarget(_delimiterBytes); _lineBuffer = buffer; if (length > 0) { // process first package if (buffer == firstPackge) { _bufferDataIndex = index; } else { Array.Copy(firstPackge, index, _lineBuffer, 0, length); } _bufferDataLength = length; try { NewPackageRecv(); } catch (Exception ex) { OnException(ex); OnFinish(); } } else { // start reading socket.BeginReceive(_lineBuffer, 0, _lineBuffer.Length, 0, ReceiveCallback, 0); } }