/// <inheritdoc />
protected override Task <bool> SendInternalAsync(IByteStreamHandler byteStreamHandler, ReadOnlySpan <char> rawMessage)
{
byteStreamHandler.MustNotBeNull(nameof(byteStreamHandler));
// Check for valid message
if (rawMessage.Length > _length)
{
throw new ArgumentException(
"Given message too long. " +
$"Maximum length: {(_length)}, " +
$"given message length: {rawMessage.Length}",
nameof(rawMessage));
}
// Perform message formatting
var sendBuffer = StringBuffer.Acquire(_length);
byte[]? bytes = null;
try
{
if (rawMessage.Length > 0)
{
sendBuffer.Append(rawMessage);
}
while (sendBuffer.Count < _length)
{
sendBuffer.Append(_fillSymbol);
}
sendBuffer.GetInternalData(out var buffer, out var currentCount);
var sendMessageByteLength = _encoding.GetByteCount(buffer, 0, currentCount);
bytes = ByteArrayPool.Take(sendMessageByteLength);
_encoding.GetBytes(buffer, 0, currentCount, bytes, 0);
StringBuffer.Release(sendBuffer);
sendBuffer = null;
return(byteStreamHandler.SendAsync(
new ArraySegment <byte>(bytes, 0, sendMessageByteLength)));
}
finally
{
if (bytes != null)
{
ByteArrayPool.Return(bytes);
}
if (sendBuffer != null)
{
StringBuffer.Release(sendBuffer);
}
}
}
/// <inheritdoc />
protected override Task <bool> SendInternalAsync(IByteStreamHandler byteStreamHandler, ReadOnlySpan <char> rawMessage)
{
byteStreamHandler.MustNotBeNull(nameof(byteStreamHandler));
// Check for start- and endsymbols inside the message
TcpCommunicatorUtil.EnsureNoEndsymbolsInMessage(rawMessage, _endSymbols);
// Perform message formatting
var sendBuffer = StringBuffer.Acquire(rawMessage.Length + _endSymbols.Length);
byte[]? bytes = null;
try
{
sendBuffer.Append(_startSymbols, 0, _startSymbols.Length);
if (rawMessage.Length > 0)
{
sendBuffer.Append(rawMessage);
}
sendBuffer.Append(_endSymbols, 0, _endSymbols.Length);
sendBuffer.GetInternalData(out var buffer, out var currentCount);
var sendMessageByteLength = _encoding.GetByteCount(buffer, 0, currentCount);
bytes = ByteArrayPool.Take(sendMessageByteLength);
_encoding.GetBytes(buffer, 0, currentCount, bytes, 0);
StringBuffer.Release(sendBuffer);
sendBuffer = null;
return(byteStreamHandler.SendAsync(
new ArraySegment <byte>(bytes, 0, sendMessageByteLength)));
}
finally
{
if (bytes != null)
{
ByteArrayPool.Return(bytes);
}
if (sendBuffer != null)
{
StringBuffer.Release(sendBuffer);
}
}
}
/// <inheritdoc />
protected override Task <bool> SendInternalAsync(IByteStreamHandler byteStreamHandler, ReadOnlySpan <char> rawMessage)
{
byteStreamHandler.MustNotBeNull(nameof(byteStreamHandler));
var rawMessageLength = rawMessage.Length;
var lengthDigitCount = TcpCommunicatorUtil.GetCountOfDigits(rawMessageLength);
var sendBuffer = StringBuffer.Acquire(rawMessageLength + 3 + lengthDigitCount);
byte[]? bytes = null;
try
{
sendBuffer.Append(SYMBOL_START);
sendBuffer.Append(rawMessageLength, StringView.Empty);
sendBuffer.Append(SYMBOL_DELIMITER);
if (rawMessage.Length > 0)
{
sendBuffer.Append(rawMessage);
}
sendBuffer.Append(SYMBOL_END);
sendBuffer.GetInternalData(out var buffer, out var currentCount);
var sendMessageByteLength = _encoding.GetByteCount(buffer, 0, currentCount);
bytes = ByteArrayPool.Take(sendMessageByteLength);
_encoding.GetBytes(buffer, 0, currentCount, bytes, 0);
StringBuffer.Release(sendBuffer);
sendBuffer = null;
return(byteStreamHandler.SendAsync(
new ArraySegment <byte>(bytes, 0, sendMessageByteLength)));
}
finally
{
if (bytes != null)
{
ByteArrayPool.Return(bytes);
}
if (sendBuffer != null)
{
StringBuffer.Release(sendBuffer);
}
}
}
/// <inheritdoc />
protected override Task <bool> SendInternalAsync(IByteStreamHandler byteStreamHandler, ReadOnlySpan <char> rawMessage)
{
byteStreamHandler.MustNotBeNull(nameof(byteStreamHandler));
rawMessage.MustBeLongerThan(0, nameof(rawMessage));
// Perform message formatting
var sendBuffer = StringBuffer.Acquire(rawMessage.Length);
byte[]? bytes = null;
try
{
sendBuffer.Append(rawMessage);
sendBuffer.GetInternalData(out var buffer, out var currentCount);
var sendMessageByteLength = _encoding.GetByteCount(buffer, 0, currentCount);
bytes = ByteArrayPool.Take(sendMessageByteLength);
_encoding.GetBytes(buffer, 0, currentCount, bytes, 0);
StringBuffer.Release(sendBuffer);
sendBuffer = null;
return(byteStreamHandler.SendAsync(
new ArraySegment <byte>(bytes, 0, sendMessageByteLength)));
}
finally
{
if (bytes != null)
{
ByteArrayPool.Return(bytes);
}
if (sendBuffer != null)
{
StringBuffer.Release(sendBuffer);
}
}
}
protected abstract Task <bool> SendInternalAsync(IByteStreamHandler byteStreamHandler, ReadOnlySpan <char> rawMessage);
