/// <summary>
/// Creates the port for the specified port shorthand.
/// </summary>
/// <param name="portShorthand">The port shorthand.</param>
/// <returns>The device port.</returns>
protected virtual IDevicePort CreatePort(string portShorthand)
{
// Try TCP first because it is the most complicated
if (portShorthand.StartsWith("TCP"))
{
try
{
return(DevicePortTcp.FromString(portShorthand));
}
catch (Exception)
{
//Do nothing
}
}
int portNum;
if (Int32.TryParse(portShorthand, out portNum))
{
return(new DevicePortNumber(portNum));
}
return(new DevicePortName(portShorthand));
}
public override bool Equals(object obj)
{
DevicePortTcp dpt = obj as DevicePortTcp;
if (object.ReferenceEquals(dpt, null))
{
return(false);
}
return(this.Address == dpt.Address &&
this.Port == dpt.Port &&
this.ReplyAddress == dpt.ReplyAddress &&
this.ReplyPort == dpt.ReplyPort);
}
public static DevicePortTcp FromString(string tcpString)
{
if (!tcpString.StartsWith("TCP"))
{
throw new InvalidCastException(String.Format("{0} is an invalid TCP string.", tcpString));
}
string[] tcpParts = tcpString.Split(',');
tcpParts[0] = tcpParts[0].Substring(4); // removes "TCP="
string[] deviceIp = tcpParts[0].Split(':');
if (String.Equals(deviceIp[0], "none", StringComparison.CurrentCultureIgnoreCase))
{
return(new DevicePortTcp(null));
}
IPAddress ipAddress = IPAddress.Parse(deviceIp[0]);
DevicePortTcp dpt = new DevicePortTcp(ipAddress);
if (deviceIp.Length == 2)
{
dpt.Port = Int32.Parse(deviceIp[1]);
}
if (tcpParts.Length == 2)
{
tcpParts[1] = tcpParts[1].Substring(6); // removes "Reply="
string[] replyIp = tcpParts[1].Split(':');
IPAddress replyAddress = IPAddress.Parse(replyIp[0]);
dpt.ReplyAddress = replyAddress;
if (replyIp.Length == 2)
{
dpt.ReplyPort = Int32.Parse(replyIp[1]);
}
}
return(dpt);
}
/// <summary>
/// Creates a port from the specified settings node tree.
/// </summary>
/// <param name="portNode">The port node.</param>
/// <returns>The device port.</returns>
/// <exception cref="System.Exception">
/// Invalid port format.
/// </exception>
protected virtual IDevicePort CreatePort(SettingsNode portNode)
{
SettingsNode tcpAddrNode = null;
if (portNode.ContainsName("Address"))
{
tcpAddrNode = portNode["Address"];
}
else if (portNode.ContainsName("IPAddress"))
{
tcpAddrNode = portNode["IPAddress"];
}
else if (portNode.ContainsName("IpAddress"))
{
tcpAddrNode = portNode["IpAddress"];
}
else if (portNode.ContainsName("TCPAddress"))
{
tcpAddrNode = portNode["TCPAddress"];
}
else if (portNode.ContainsName("TcpAddress"))
{
tcpAddrNode = portNode["TcpAddress"];
}
if (tcpAddrNode != null)
{
string ipAddrName = tcpAddrNode.GetValueAs <string>();
IPAddress ipAddress;
if (!IPAddress.TryParse(ipAddrName, out ipAddress))
{
throw new Exception(String.Format("'{0}' is an invalid IP address.", ipAddrName));
}
DevicePortTcp tcpPort = new DevicePortTcp(ipAddress);
if (portNode.ContainsName("Port"))
{
tcpPort.Port = portNode["Port"].GetValueAs <int>();
}
if (portNode.ContainsName("ReplyAddress"))
{
string replyAddrName = portNode["ReplyAddress"].GetValueAs <string>();
IPAddress replyAddress;
if (!IPAddress.TryParse(replyAddrName, out replyAddress))
{
throw new Exception(String.Format("'{0}' is an invalid reply IP address.", replyAddrName));
}
tcpPort.ReplyAddress = replyAddress;
if (portNode.ContainsName("ReplyPort"))
{
tcpPort.ReplyPort = portNode["ReplyPort"].GetValueAs <int>();
}
}
return(tcpPort);
}
if (portNode.ContainsName("Number"))
{
int portNum = portNode["Number"].GetValueAs <int>();
return(new DevicePortNumber(portNum));
}
if (portNode.ContainsName("Name"))
{
string portName = portNode["Name"].GetValueAs <string>();
return(new DevicePortName(portName));
}
if (portNode.HasAValue)
{
string portShorthand = portNode.GetValueAs <string>();
return(CreatePort(portShorthand));
}
throw new Exception("Invalid port format.");
}
