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+{
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+ $Id$
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+ This file is part of the Free Pascal run time library.
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+ Copyright (c) 1993,99 by the Free Pascal development team
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+
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+ See the file COPYING.FPC, included in this distribution,
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+ for details about the copyright.
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+
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+ This program is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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+
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+ **********************************************************************}
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+
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+{******************************************************************************
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+ Text File Writeln/ReadLn Support
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+******************************************************************************}
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+
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+
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+Procedure OpenSock(var F:Text);
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+begin
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+ if textrec(f).handle=UnusedHandle then
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+ textrec(f).mode:=fmclosed
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+ else
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+ case textrec(f).userdata[1] of
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+ S_OUT : textrec(f).mode:=fmoutput;
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+ S_IN : textrec(f).mode:=fminput;
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+ else
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+ textrec(f).mode:=fmclosed;
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+ end;
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+end;
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+
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+
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+
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+Procedure IOSock(var F:text);
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+begin
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+ case textrec(f).mode of
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+ fmoutput : fdWrite(textrec(f).handle,textrec(f).bufptr^,textrec(f).bufpos);
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+ fminput : textrec(f).BufEnd:=fdRead(textrec(f).handle,textrec(f).bufptr^,textrec(f).bufsize);
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+ end;
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+ textrec(f).bufpos:=0;
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+end;
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+
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+
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+
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+Procedure FlushSock(var F:Text);
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+begin
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+ if (textrec(f).mode=fmoutput) and (textrec(f).bufpos<>0) then
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+ IOSock(f);
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+ textrec(f).bufpos:=0;
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+end;
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+
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+
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+
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+Procedure CloseSock(var F:text);
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+begin
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+ Close(f);
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+end;
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+
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+
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+
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+Procedure Sock2Text(Sock:Longint;Var SockIn,SockOut:Text);
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+{
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+ Set up two Pascal Text file descriptors for reading and writing)
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+}
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+begin
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+{ First the reading part.}
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+ Assign(SockIn,'.');
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+ Textrec(SockIn).Handle:=Sock;
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+ Textrec(Sockin).userdata[1]:=S_IN;
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+ TextRec(SockIn).OpenFunc:=@OpenSock;
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+ TextRec(SockIn).InOutFunc:=@IOSock;
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+ TextRec(SockIn).FlushFunc:=@FlushSock;
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+ TextRec(SockIn).CloseFunc:=@CloseSock;
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+{ Now the writing part. }
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+ Assign(SockOut,'.');
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+ Textrec(SockOut).Handle:=Sock;
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+ Textrec(SockOut).userdata[1]:=S_OUT;
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+ TextRec(SockOut).OpenFunc:=@OpenSock;
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+ TextRec(SockOut).InOutFunc:=@IOSock;
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+ TextRec(SockOut).FlushFunc:=@FlushSock;
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+ TextRec(SockOut).CloseFunc:=@CloseSock;
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+end;
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+
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+
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+{******************************************************************************
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+ Untyped File
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+******************************************************************************}
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+
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+Procedure Sock2File(Sock:Longint;Var SockIn,SockOut:File);
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+begin
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+{Input}
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+ Assign(SockIn,'.');
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+ FileRec(SockIn).Handle:=Sock;
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+ FileRec(SockIn).RecSize:=1;
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+ FileRec(Sockin).userdata[1]:=S_IN;
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+{Output}
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+ Assign(SockOut,'.');
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+ FileRec(SockOut).Handle:=Sock;
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+ FileRec(SockOut).RecSize:=1;
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+ FileRec(SockOut).userdata[1]:=S_OUT;
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+end;
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+
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+{******************************************************************************
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+ InetSock
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+******************************************************************************}
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+
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+Function DoAccept(Sock:longint;Var addr:TInetSockAddr):longint;
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+
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+Var AddrLen : Longint;
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+
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+begin
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+ AddrLEn:=SizeOf(Addr);
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+ DoAccept:=Accept(Sock,Addr,AddrLen);
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+end;
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+
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+Function DoConnect(Sock:longint;const addr: TInetSockAddr): Longint;
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+
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+begin
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+ DoConnect:=Connect(Sock,Addr,SizeOF(TInetSockAddr));
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+end;
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+
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+Function Connect(Sock:longint;const addr: TInetSockAddr;var SockIn,SockOut:text):Boolean;
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+
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+Var FD : Longint;
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+
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+begin
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+ FD:=DoConnect(Sock,addr);
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+ If Not(FD=-1) then
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+ begin
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+ Sock2Text(FD,SockIn,SockOut);
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+ Connect:=true;
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+ end
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+ else
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+ Connect:=false;
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+end;
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+
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+Function Connect(Sock:longint;const addr:TInetSockAddr;var SockIn,SockOut:file):Boolean;
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+
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+Var FD : Longint;
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+
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+begin
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+ FD:=DoConnect(Sock,addr);
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+ If Not (FD=-1) then
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+ begin
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+ Sock2File(FD,SockIn,SockOut);
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+ Connect:=true;
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+ end
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+ else
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+ Connect:=false;
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+end;
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+
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+Function Accept(Sock:longint;var addr:TInetSockAddr;var SockIn,SockOut:text):Boolean;
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+var
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+ s : longint;
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+begin
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+ S:=DoAccept(Sock,addr);
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+ if S>0 then
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+ begin
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+ Sock2Text(S,SockIn,SockOut);
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+ Accept:=true;
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+ end
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+ else
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+ Accept:=false;
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+end;
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+
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+Function Accept(Sock:longint;var addr:TInetSockAddr;var SockIn,SockOut:File):Boolean;
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+var
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+ s : longint;
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+begin
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+ S:=DoAccept(Sock,addr);
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+ if S>0 then
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+ begin
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+ Sock2File(S,SockIn,SockOut);
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+ Accept:=true;
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+ end
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+ else
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+ Accept:=false;
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+end;
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+{
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+ $Log$
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+ Revision 1.1 1999-06-21 12:26:27 florian
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+ + files created by splitting the linux sockets unit
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+
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+}
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