public static void Start(short port)
{
Server = new S7Server();
// Share some resources with our virtual PLC
Server.RegisterArea(S7Server.srvAreaDB, // We are registering a DB
1, // Its number is 1 (DB1)
DB1, // Our buffer for DB1
DB1.Length); // Its size
// Do the same for DB2, DB3, and DB4
Server.RegisterArea(S7Server.srvAreaDB, 2, DB2, DB2.Length);
Server.RegisterArea(S7Server.srvAreaDB, 3, DB3, DB3.Length);
Server.RegisterArea(S7Server.srvAreaDB, 4, DB4, DB4.Length);
// Exclude read event to avoid the double report
// Set the callbacks (using the static var to avoid the garbage collect)
TheEventCallBack = new S7Server.TSrvCallback(EventCallback);
TheReadCallBack = new S7Server.TSrvCallback(ReadEventCallback);
Server.EventMask = ~S7Server.evcDataRead;
Server.SetEventsCallBack(TheEventCallBack, IntPtr.Zero);
Server.SetReadEventsCallBack(TheReadCallBack, IntPtr.Zero);
// Uncomment next line if you don't want to see wrapped messages
// (Note : Doesn't work in Mono 2.10)
// Console.SetBufferSize(100, Int16.MaxValue - 1);
// Start the server onto the default adapter.
// To select an adapter we have to use Server->StartTo("192.168.x.y").
// Start() is the same of StartTo("0.0.0.0");
Server.SetParam(S7Consts.p_u16_LocalPort, ref port);
int Error = Server.Start();
if (Error != 0)
{
throw new Exception($"Error starting Snap7 server: {Server.ErrorText(Error)}");
}
//if (Error == 0)
//{
// // Now the server is running ... wait a key to terminate
// //Console.ReadKey();
// Server.Stop();
//}
//else
// Console.WriteLine(Server.ErrorText(Error));
// If you got a start error:
// Windows - most likely you ar running the server in a pc on wich is
// installed step 7 : open a command prompt and type
// "net stop s7oiehsx" (Win32) or
// "net stop s7oiehsx64" (Win64)
// And after this test :
// "net start s7oiehsx" (Win32) or
// "net start s7oiehsx64" (Win64)
// Unix - you need root rights :-( because the isotcp port (102) is
// low and so it's considered "privileged".
}
static void Main(string[] args)
{
System.Console.Out.WriteLine("S7 Server starting up");
Event = new S7Server.USrvEvent();
Srv = new S7Server();
Srv.RegisterArea(S7Server.srvAreaDB, // We are registering a DB
1, // Its number is 1 (DB1)
DB1, // Our buffer for DB1
DB1.Length); // Its size
TheEventCallBack = new S7Server.TSrvCallback(EventCallback);
TheReadCallBack = new S7Server.TSrvCallback(ReadEventCallback);
Srv.SetEventsCallBack(TheEventCallBack, IntPtr.Zero);
Srv.SetReadEventsCallBack(TheReadCallBack, IntPtr.Zero);
Srv.EventMask = Srv.EventMask & 1; // Mask 00000000
Srv.EventMask = Srv.EventMask | S7Server.evcDataRead;
Srv.EventMask = Srv.EventMask | S7Server.evcDataWrite;
int Error = Srv.Start();
if (Error == 0)
{
Console.WriteLine("Press ESC to stop");
do
{
while (!Console.KeyAvailable)
{
while (Srv.PickEvent(ref Event))
{
Console.Out.WriteLine(Srv.EventText(ref Event));
}
}
} while (Console.ReadKey(true).Key != ConsoleKey.Escape);
Srv.Stop();
}
System.Console.Out.WriteLine("Enter any key to quit");
System.Console.ReadKey();
}