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program lcoretest;
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uses
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lcore,
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lsocket,
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{$ifdef mswindows}
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lcorewsaasyncselect in 'lcorewsaasyncselect.pas',
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{$else}
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lcoreselect,
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{$endif}
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dnsasync,
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binipstuff,
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sysutils,
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dnssync
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//we don't actually make any use of the units below in this app, we just
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//include it to check if it compiles ok ;)
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{$ifndef mswindows}
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,
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{$ifndef nomessages}
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lcoremessages,
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unitwindowobject,
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{$endif}
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unitfork
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{$endif}
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;
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{$ifdef mswindows}
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{$R *.RES}
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{$endif}
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type
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tsc=class
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procedure sessionavailable(sender: tobject;error : word);
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procedure dataavailable(sender: tobject;error : word);
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procedure sessionconnected(sender: tobject;error : word);
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procedure taskrun(wparam,lparam:longint);
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procedure timehandler(sender:tobject);
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procedure dnsrequestdone(sender:tobject;error : word);
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procedure sessionclosed(sender:tobject;error : word);
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end;
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treleasetest=class(tlcomponent)
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destructor destroy; override;
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end;
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var
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listensocket : tlsocket;
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serversocket : tlsocket;
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clientsocket : tlsocket;
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sc : tsc;
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task : tltask;
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firststage : boolean;
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procedure tsc.sessionavailable(sender: tobject;error : word);
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begin
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writeln('received connection');
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serversocket.dup(listensocket.accept);
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end;
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var
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receivebuf : string;
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receivecount : integer;
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procedure tsc.dataavailable(sender: tobject;error : word);
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var
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receiveddata : string;
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receivedon : string;
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line : string;
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begin
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receiveddata := tlsocket(sender).receivestr;
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if sender=clientsocket then begin
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receivedon := 'client socket';
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end else begin
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receivedon := 'server socket';
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end;
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writeln('received data '+receiveddata+' on '+receivedon);
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receivebuf := receivebuf+receiveddata;
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if receivebuf = 'hello world' then begin
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receivebuf := '';
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writeln('received hello world creating task');
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task := tltask.create(sc.taskrun,nil,0,0);
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end;
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receivecount := receivecount +1;
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if receivecount >50 then begin
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writeln('received over 50 bits of data, pausing to let the operator take a look');
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receivecount := 0;
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end;
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while pos(#10,receivebuf) > 0 do begin
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line := receivebuf;
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setlength(line,pos(#10,receivebuf)-1);
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receivebuf := copy(receivebuf,pos(#10,receivebuf)+1,1000000);
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if uppercase(copy(line,1,4))='PING' then begin
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line[2] := 'o';
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writeln('send pong:'+line);
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clientsocket.sendstr(line+#10);
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end;
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end;
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end;
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procedure tsc.sessionconnected(sender: tobject;error : word);
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begin
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if error=0 then begin
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writeln('session is connected, local address is'+clientsocket.getxaddr);
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if firststage then begin
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clientsocket.sendstr('hello world');
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end else begin
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clientsocket.sendstr('nick test'#13#10'user x x x x'#13#10);
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end;
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end else begin
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writeln('connect failed');
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end;
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end;
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var
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das : tdnsasync;
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procedure tsc.taskrun(wparam,lparam:longint);
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var
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tempbinip : tbinip;
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dummy : integer;
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begin
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writeln('task ran');
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writeln('closing client socket');
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clientsocket.close;
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writeln('looking up irc.p10link.net using dnsasync');
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das := tdnsasync.Create(nil);
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das.onrequestdone := sc.dnsrequestdone;
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//das.forwardfamily := af_inet6;
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das.forwardlookup('irc.p10link.net');
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end;
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procedure tsc.dnsrequestdone(sender:tobject;error : word);
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var
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tempbinip : tbinip;
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tempbiniplist : tbiniplist;
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begin
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writeln('irc.p10link.net resolved to '+das.dnsresult+' connecting client socket there');
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das.dnsresultbin(tempbinip);
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tempbiniplist := biniplist_new;
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biniplist_add(tempbiniplist,tempbinip);
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clientsocket.addr := tempbiniplist;
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clientsocket.port := '6667';
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firststage := false;
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clientsocket.connect;
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//writeln(clientsocket.getxaddr);
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das.free;
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end;
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procedure tsc.timehandler(sender:tobject);
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begin
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//writeln('got timer event');
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end;
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destructor treleasetest.destroy;
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begin
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writeln('releasetest.destroy called');
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inherited destroy;
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end;
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procedure tsc.sessionclosed(sender:tobject;error : word);
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begin
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Writeln('session closed with error ',error);
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end;
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var
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timer : tltimer;
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ipbin : tbinip;
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dummy : integer;
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iplist : tbiniplist;
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releasetest : treleasetest;
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begin
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lcoreinit;
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releasetest := treleasetest.create(nil);
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releasetest.release;
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ipbin := forwardlookup('invalid.domain',5);
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writeln(ipbintostr(ipbin));
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ipbin := forwardlookup('p10link.net',5);
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writeln(ipbintostr(ipbin));
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ipstrtobin('80.68.89.68',ipbin);
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writeln('80.68.89.68 reverses to '+reverselookup(ipbin,5));
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ipstrtobin('2001:200::8002:203:47ff:fea5:3085',ipbin);
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writeln('2001:200::8002:203:47ff:fea5:3085 reverses to '+reverselookup(ipbin,5));
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writeln('creating and setting up listen socket');
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listensocket := tlsocket.create(nil);
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listensocket.addr := '';
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listensocket.port := '12345';
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listensocket.onsessionavailable := sc.sessionavailable;
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writeln('listening');
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listensocket.listen;
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writeln('listen call returned');
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writeln(listensocket.getxport);
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writeln('listen socket is number ', listensocket.fdhandlein);
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writeln('creating and setting up server socket');
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serversocket := tlsocket.create(nil);
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serversocket.ondataavailable := sc.dataavailable;
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writeln('creating and setting up client socket');
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clientsocket := tlsocket.create(nil);
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//try connecting to ::1 first and if that fails try 127.0.0.1
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iplist := biniplist_new;
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ipstrtobin('::1',ipbin);
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biniplist_add(iplist,ipbin);
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ipstrtobin('127.0.0.1',ipbin);
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biniplist_add(iplist,ipbin);
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clientsocket.addr := iplist;
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clientsocket.port := '12345';
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clientsocket.onsessionconnected := sc.sessionconnected;
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clientsocket.ondataAvailable := sc.dataavailable;
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clientsocket.onsessionclosed := sc.sessionclosed;
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writeln('connecting');
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firststage := true;
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clientsocket.connect;
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writeln('client socket is number ',clientsocket.fdhandlein);
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writeln('creating and setting up timer');
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timer := tltimer.create(nil);
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timer.interval := 1000;
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timer.ontimer := sc.timehandler;
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timer.enabled := true;
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writeln('entering message loop');
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messageloop;
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writeln('exiting cleanly');
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end.
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