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Program server;
{
This file is part of the Free Component Library (FCL)
Copyright (c) 1999-2000 by the Free Pascal development team
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
{
Dual server program. This will listen on port 4100 till
a client connects if '-i' is on the command-line.
Otherwise it will open a unix socket. You can connect by
running the 'sockcli' or 'dsockcli' programs in another
terminal.
specifying -b on the command-line will disable blocking.
}
{$mode objfpc} {$H+}
uses sysutils,ssockets,getopts;
const
ThePort=4100;
TheSocket = 'ServerSoc';
Var
DoInet,NonBlocking : boolean;
Type
TServerApp = Class(TObject)
Private
FCalls : longint;
FServer : TSocketServer;
Public
Constructor Create(Port : longint);
Constructor Create(Socket : String);
Destructor Destroy;override;
Procedure OnConnect (Sender : TObject; Data : TSocketStream);
Procedure OnIdle(Sender : TObject);
Procedure Run;
end;
Constructor TServerApp.Create(Port : longint);
begin
FServer:=TINetServer.Create(Port);
FServer.OnConnect:=@OnConnect;
end;
Constructor TServerApp.Create(Socket : String);
begin
FServer:=TUnixServer.Create(Socket);
FServer.OnConnect:=@OnConnect;
end;
Destructor TServerApp.Destroy;
begin
FServer.Free;
end;
Procedure TServerApp.OnConnect (Sender : TObject; Data : TSocketStream);
Var Buf : ShortString;
Count : longint;
begin
Repeat
Count:=Data.Read(Buf[1],255);
SetLength(Buf,Count);
Write('Server got : ',Buf);
Until (Count=0) or (Pos('QUIT',Buf)<>0);
Data.Free;
FServer.StopAccepting;
end;
Procedure TServerApp.OnIdle(Sender : TObject);
begin
Inc(FCalls);
Write('.');
end;
Procedure TServerApp.Run;
begin
Write ('Listening on ');
if FServer is TUnixServer Then
Writeln ('socket : ',(FServer as TUnixServer).Filename)
else If FServer is TINetServer Then
Writeln ('port : ',(FServer as TInetServer).port);
If NonBlocking then
begin
FServer.SetNonBlocking;
FServer.OnIdle:=@OnIdle;
end;
FServer.StartAccepting;
end;
Var
Application : TServerApp;
c : char;
begin
DoInet:=False;
NonBlocking:=False;
repeat
c:=getopt('ib');
case c of
'b' : NonBlocking:=True;
'i' : DoInet:=True;
end;
until c=EndOfOptions;
If DoInet then
Application:=TServerApp.Create(ThePort)
else
Application:=TServerApp.Create(TheSocket);
Application.Run;
Application.Free;
end.
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