public void SearchForCommands(List <byte> incomingBuffer, ICommandPartFoundListener listener)
{
for (int i = 0; i < incomingBuffer.Count; ++i)
{
for (int x = 0; x < _cmdPartsCount; ++x)
{
var commandPart = _cmdPartConfigs[x];
if (incomingBuffer.Count - i >= commandPart.Length)
{
try
{
var confirmation = _commandPartSearcher.IsHereCmdPart(incomingBuffer.ToArray(), i, commandPart); // TODO: IS NOT SO FAST CAUSE OF ARRAY
if (confirmation == PsnCommandPartConfirmation.EverythyngIsOk)
{
var commandPartBytes = incomingBuffer.Skip(i).Take(commandPart.Length).ToArray();
//var commandPartBytes = new List<byte>();
//commandPartBytes.AddRange(incomingBuffer.Skip(i).Take(commandPart.Length));
// clean buffer bytes before command and command's bytes:
int removeBytesCount = i + commandPart.Length;
incomingBuffer.RemoveRange(0, removeBytesCount);
i = -1; // because the next cycle iteration will increase i by 1 and "i" will be zero
listener.CommandPartFound(new CommandPartSimple((byte)commandPart.Address.DefinedValue, (byte)commandPart.CommandCode.DefinedValue, commandPartBytes, commandPart));
break;
}
}
catch
{
}
}
}
}
}
private void RunThroughDataAndExectueCustomActionOnCommandPartsFound(
IPsnProtocolCommandPartConfiguration[] commandParts, byte[] dataBytes,
Func <IPsnCommandPartsPosition, int> maybeCmdPartFoundAction)
{
int zeroBasedCurrentByte = 0;
try
{
var maxCmdLenInProtocol = commandParts.Max(cp => cp.Length); // TODO: Replace LINQ for perfomance
while (true)
{
var remainingLength = dataBytes.Length - zeroBasedCurrentByte - 1; // WHY? - To gain perfomance
IPsnProtocolCommandPartConfiguration[] commandPartsThatCouldBeInRemainingBytes;
if (remainingLength < maxCmdLenInProtocol)
{
commandPartsThatCouldBeInRemainingBytes =
commandParts.Where(cp => cp.Length <= remainingLength)
.ToArray(); // TODO: Replace LINQ for perfomance
if (commandPartsThatCouldBeInRemainingBytes.Length == 0)
{
break; // выход из цикла, если нет комманд, укалыдвающихся в оставшуюся длину потока данных
}
}
else
{
commandPartsThatCouldBeInRemainingBytes = commandParts;
}
int iterationBytesCount = 1;
for (int i = 0; i < commandPartsThatCouldBeInRemainingBytes.Length; ++i)
{
var commandPartThatCouldBeInRemainingBytes = commandPartsThatCouldBeInRemainingBytes[i];
var isHereCmdPartResult = _cmdPartSearcher.IsHereCmdPart(dataBytes, zeroBasedCurrentByte,
commandPartThatCouldBeInRemainingBytes);
if (isHereCmdPartResult == PsnCommandPartConfirmation.EverythyngIsOk)
{
iterationBytesCount = maybeCmdPartFoundAction.Invoke(new PsnCommandPartsAndPosition(
zeroBasedCurrentByte,
commandPartThatCouldBeInRemainingBytes));
break;
}
}
zeroBasedCurrentByte += iterationBytesCount;
}
}
catch (Exception ex)
{
throw new Exception("Ошибка при сканировании лога на наличие команд", ex);
}
Console.WriteLine("RunThroughDataAndExectueCustomActionOnCommandPartsFound complete");
}