home *** CD-ROM | disk | FTP | other *** search
- {$X+,B-,V-}
- program SendHello;
-
- { Simple IPX demonstration program. Run this program on 1 workstation,
- run R_HELLO on another. R_HELLO will receive the "hello world" messages
- that this program sends.
-
- Polls the ECB until a packet is sent. No ESR used. }
-
- uses crt,nwMisc,nwIPX;
-
- CONST IOSocket=$5678;
-
- Var SendEcb:Tecb;
- IpxHdr:TipxHeader;
- socket:word;
- dest:TinternetworkAddress;
- buf:array[1..546] of byte;
- t:byte;
- w:word;
- s:string;
- begin
- IF NOT IpxInitialize
- then begin
- writeln('Ipx needs to be installed.');
- halt(1);
- end;
- socket:=IOSocket;
- IF NOT IPXopenSocket(Socket,SHORT_LIVED_SOCKET)
- then begin
- writeln('IPXopenSocket returned error# ',nwIPX.result);
- halt(1);
- end;
-
- for t:=1 to 4 do dest.net[t]:=$00; { this net / segment }
- for t:=1 to 6 do dest.node[t]:=$FF; { all nodes }
- dest.socket:=IOsocket;
- w:=0;
-
- Repeat
- inc (w);
-
- { Fill buffer (ECB.fragment[2]^) }
- str(w:4,s);
- s:=s+' IPX: Hello World';
- FillChar(buf,546,#0);
- move(s[1],buf,ord(s[0]));
-
- { setup ECB and IPX header }
- IPXsetupSendECB(NIL,IOsocket,dest,@buf,ord(s[0]),
- IpxHdr,SendEcb);
- IPXsendPacket(SendEcb);
-
- { Poll the Inuse Flag until the packet is sent. }
- While SendEcb.InUseFlag<>0
- do IPXrelinquishControl;
-
- { ECB.InUseFlag was lowered, now determine if packet was sent: }
- CASE SendEcb.CompletionCode OF
- $00:writeln('IPX packet #',w:0,' was sent.');
- $FC:writeln('The send of packet #',w:0,' was canceled.');
- { impossible, as this cancelation to be done by THIS program, and it doesn't }
- $FD:writeln('Packet# ',w:0,' is malformed and was not sent.');
- { illegal param: packet length, number of fragments, fragment size. }
- $FE:writeln('Packet# ',w:0,' was undelivered. No stations listening.');
- $FF:writeln('Packet# ',w:0,' not sent due to a hardware error.');
- end;
-
- { Wait 5 seconds between sending packets }
- delay(5000);
- UNTIL keypressed;
-
- IF NOT IPXcloseSocket(IOsocket)
- then writeln('IPXcloseSocket returned error# ',nwIPX.result);
-
- end.