/// <summary>
/// Handle request from command
/// </summary>
/// <param name="request">Received request</param>
/// <param name="account">Access to account</param>
/// <param name="waitForFinish">If true, wait task to finish progress</param>
/// <returns>Response for client</returns>
#region G9CallHandler
public void G9CallHandler(G9SendAndReceivePacket request, TAccount account, bool waitForFinish = false)
{
Action callCommand = () =>
{
CommandDataType <TAccount> command = null;
try
{
// Check exist command
#region Unhandled Command
if (!_accessToCommandDataTypeCollection.ContainsKey(request.Command))
{
_onUnhandledCommand?.Invoke(request, account);
return;
}
#endregion
// Get normal command
command = _accessToCommandDataTypeCollection[request.Command];
// Set log
if (_logging.CheckLoggingIsActive(LogsType.EVENT))
{
_logging.LogEvent(
$"{LogMessage.RunningCommand}: {request.Command}", G9LogIdentity.RUNNING_COMMAND,
LogMessage.SuccessfulOperation);
}
// Execute command with information
command.AccessToMethodReceiveCommand(request.Body, account, request.RequestId,
command.ExecuteRegisterCallBack);
}
catch (Exception ex)
{
// Add to log exception
if (_logging.CheckLoggingIsActive(LogsType.EXCEPTION))
{
_logging.LogException(ex, LogMessage.ErrorInRunningCommand,
G9LogIdentity.RUNNING_COMMAND, LogMessage.FailedOperation);
}
// If not null call OnError in this command
command?.AccessToMethodOnErrorInCommand?.Invoke(ex, account);
}
};
if (waitForFinish)
{
callCommand.Invoke();
}
else
{
Task.Run(callCommand);
}
}
public G9PacketSplitHandler PackingRequestByData(byte[] command, byte[] body,
G9PacketDataType dataType, Guid?customRequestId)
#endif
{
try
{
if (command.Length == CalculateCommandSize)
{
var requestId = customRequestId ?? Guid.NewGuid();
var requestIdBytes = requestId.ToByteArray();
G9PacketSplitHandler packet;
if (body.Length <= CalculateBodySize)
{
// Initialize packet split handler
packet = new G9PacketSplitHandler(requestId, 1);
// Initialize memory stream and save packet data
using (var memoryStream = new MemoryStream())
{
memoryStream.WriteByte((byte)G9PacketType.OnePacket);
memoryStream.WriteByte((byte)dataType);
memoryStream.WriteByte(checked ((byte)body.Length));
#if NETSTANDARD2_1 || NETCOREAPP3_0 || NETCOREAPP3_1
memoryStream.Write(command);
memoryStream.Write(body);
memoryStream.Write(requestIdBytes);
#else
memoryStream.Write(command, 0, command.Length);
memoryStream.Write(body, 0, body.Length);
memoryStream.Write(requestIdBytes, 0, requestIdBytes.Length);
#endif
// Add packet
packet.AddPacket(0, memoryStream.ToArray());
}
}
else
{
// Calculate packet size
var counter = (byte)Math.Ceiling(body.Length / (decimal)CalculateBodySize);
// Packet size plus one => because first packet specify packet count information
// counter.ToString().Length * counter => Reserve first byte for packet number
counter = (byte)(Math.Ceiling(((decimal)body.Length +
counter.ToString().Length *counter) /
CalculateBodySize) + 1);
// Specify counter length
// counter length = 1 => Like byte 0 To 256
var counterLength = 1;
// Initialize packet split
packet = new G9PacketSplitHandler(requestId, counter);
// Initialize memory stream and save packet data
using (var memoryStream = new MemoryStream())
{
memoryStream.WriteByte((byte)G9PacketType.MultiPacket);
memoryStream.WriteByte((byte)dataType);
// First packet length is 2 | 0 => packet number | 1 => Total packet count
memoryStream.WriteByte(2);
#if NETSTANDARD2_1 || NETCOREAPP3_0 || NETCOREAPP3_1
memoryStream.Write(command);
#else
memoryStream.Write(command, 0, command.Length);
#endif
// write packet number
memoryStream.WriteByte(0);
// write total packet count
memoryStream.WriteByte(counter);
#if NETSTANDARD2_1 || NETCOREAPP3_0 || NETCOREAPP3_1
memoryStream.Write(requestIdBytes);
#else
memoryStream.Write(requestIdBytes, 0, requestIdBytes.Length);
#endif
// Set first packet => packet count information
packet.AddPacket(0, memoryStream.ToArray());
}
for (byte i = 1; i < counter; i++)
{
var newBodyStandardSize = CalculateBodySize - (i == 1
? 0
: counterLength);
var offset = newBodyStandardSize * i - newBodyStandardSize;
var length = i == counter - 1
? body.Length - offset
: CalculateBodySize - counterLength;
// Initialize memory stream and save packet data
using (var memoryStream = new MemoryStream())
{
memoryStream.WriteByte((byte)G9PacketType.MultiPacket);
memoryStream.WriteByte((byte)dataType);
memoryStream.WriteByte(checked ((byte)(length + 1)));
#if NETSTANDARD2_1 || NETCOREAPP3_0 || NETCOREAPP3_1
memoryStream.Write(command);
#else
memoryStream.Write(command, 0, command.Length);
#endif
memoryStream.WriteByte(i);
#if NETSTANDARD2_1 || NETCOREAPP3_0 || NETCOREAPP3_1
memoryStream.Write(body.Slice(offset, length));
memoryStream.Write(requestId.ToByteArray());
#else
memoryStream.Write(body, offset, length);
memoryStream.Write(requestIdBytes, 0, requestIdBytes.Length);
#endif
// Add total packet
packet.AddPacket(i, memoryStream.ToArray());
}
}
}
return(packet);
}
if (_logging.CheckLoggingIsActive(LogsType.EXCEPTION))
{
_logging.LogException(new ArgumentException(
$"{LogMessage.CommandLengthError}\n{LogMessage.StandardLength}: {CalculateCommandSize}\n{LogMessage.LengthEntered}: {command.Length}"),
null, G9LogIdentity.GENERATE_PACKET, LogMessage.FailedOperation);
}
return(null);
}
catch (Exception ex)
{
if (_logging.CheckLoggingIsActive(LogsType.EXCEPTION))
{
_logging.LogException(ex, LogMessage.FailGeneratePacket, G9LogIdentity.GENERATE_PACKET,
LogMessage.FailedOperation);
}
return(null);
}
}
