public static IModbusMaster CreateIpMaster(this IModbusFactory factory, IpSettings ipSettings)
{
switch (ipSettings.ModbusType)
{
case ModbusType.Tcp:
return(factory.CreateMaster(
new TcpClient(ipSettings.Hostname, ipSettings.Port)));
case ModbusType.Udp:
return(factory.CreateMaster(
new UdpClient(ipSettings.Hostname, ipSettings.Port)));
case ModbusType.RtuOverTcp:
return(factory.CreateRtuMaster(
new TcpClientAdapter(
new TcpClient(ipSettings.Hostname, ipSettings.Port))));
case ModbusType.RtuOverUdp:
return(factory.CreateRtuMaster(
new UdpClientAdapter(
new UdpClient(ipSettings.Hostname, ipSettings.Port))));
default:
throw new ArgumentException(
"Ip settings must be of type Tcp, Udp, RtuOverTcp, or RtuOverUdp.");
}
}
/// <summary>
/// Gets modbus master object from cache or create new one.
/// </summary>
/// <param name="factory"></param>
/// <param name="frameType"></param>
/// <param name="connectionSource"></param>
/// <returns></returns>
public IModbusMaster Get(IModbusFactory factory, FrameType frameType, ConnectionSourceAbstract connectionSource)
{
if (factory == default)
{
throw new ArgumentException("argument 'factory' is mandatory");
}
if (connectionSource == default)
{
throw new ArgumentException("argument 'connectionSource' is mandatory");
}
if ((connectionSource == _connectionSource) &&
(_connectionSource.IsOpen) &&
(modbusMaster != default) &&
(modbusMaster?.Transport?.StreamResource?.IsOpen ?? false))
{
return(modbusMaster);
}
_connectionSource = connectionSource;
var streamResource = _connectionSource.Get();
if (frameType == FrameType.Ip)
{
modbusMaster = factory.CreateIpMaster(streamResource);
}
if (frameType == FrameType.Rtu)
{
var t = factory.CreateRtuTransport(streamResource);
modbusMaster = factory.CreateMaster(t);
}
if (frameType == FrameType.Ascii)
{
var t = factory.CreateAsciiTransport(streamResource);
modbusMaster = factory.CreateMaster(t);
}
return(modbusMaster);
}
public IModbusMaster CreateMaster()
{
IModbusRtuTransport transport = CreateTransport();
return(ModbusFactory.CreateMaster(transport));
}
