{*_* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

Author:       Franois PIETTE
Description:
Creation:     Jan 02, 2002 (Original code from TWSocket (c) F. Piette 1996)
Version:      1.00
EMail:        http://www.overbyte.be       francois.piette@overbyte.be
              http://www.rtfm.be/fpiette   francois.piette@rtfm.be
                                           francois.piette@pophost.eunet.be
Support:      Use the mailing list twsocket@elists.org
              Follow "support" link at http://www.overbyte.be for subscription.
Legal issues: Copyright (C) 1999-2002 by Franois PIETTE
              Rue de Grady 24, 4053 Embourg, Belgium. Fax: +32-4-365.74.56
              <francois.piette@overbyte.be><francois.piette@swing.be>

              This software is provided 'as-is', without any express or
              implied warranty.  In no event will the author be held liable
              for any  damages arising from the use of this software.

              Permission is granted to anyone to use this software for any
              purpose, including commercial applications, and to alter it
							and redistribute it freely, subject to the following
              restrictions:

              1. The origin of this software must not be misrepresented,
                 you must not claim that you wrote the original software.
                 If you use this software in a product, an acknowledgment
                 in the product documentation would be appreciated but is
                 not required.

              2. Altered source versions must be plainly marked as such, and
                 must not be misrepresented as being the original software.

              3. This notice may not be removed or altered from any source
                 distribution.

              4. You must register this software by sending a picture postcard
                 to the author. Use a nice stamp and mention your name, street
                 address, EMail address and any comment you like to say.


History:

 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
unit IcsSocketIntf;

{$BOOLEVAL OFF}
{$WRITEABLECONST ON}
{$ObjExportAll On} 

interface

uses
    SysUtils, Libc, IcsLogMsg;

const
{$IFDEF LINUX}
    FIONREAD	        = $541B;
    FIONBIO	        = $5421;
{$ENDIF}


function Ics_socket(af, Struct, protocol: Integer): TSocket;
function Ics_bind(s: TSocket; var addr: TSockAddr; namelen: Integer): Integer;
function Ics_connect(s: TSocket; var name: TSockAddr; namelen: Integer): Integer;
function Ics_closesocket(s: TSocket): Integer;
function Ics_listen(s: TSocket; backlog: Integer): Integer;
function Ics_accept(s: TSocket; var addr: TSockAddr; var addrlen: Integer): TSocket;
function Ics_select(nfds: Integer; readfds, writefds, exceptfds: PFdSet; timeout: Ptimeval): Integer;
function Ics_send(s: TSocket; var Buf; len, flags: Integer): Integer;
function Ics_sendto(s: TSocket; var Buf; len, flags: Integer;
										var addrto: TSockAddr; tolen: Integer): Integer;
function Ics_htons(hostshort: u_short): u_short;
function Ics_inet_addr(cp: PChar): u_long;
function Ics_gethostbyname(name: PChar): PHostEnt;
function Ics_gethostname(name: PChar; Len: socklen_t): Integer;
function Ics_getservbyname(name, proto: PChar): PServEnt;
function Ics_ntohs(netshort: u_short): u_short;
function Ics_getprotobyname(name: PChar): PProtoEnt;
function Ics_getsockname(s: TSocket; var name: TSockAddr; var namelen: Integer): Integer;
function Ics_setsockopt(s: TSocket; level, optname: Integer; optval: PChar; optlen: Integer): Integer;
function Ics_ioctlsocket(s: TSocket; cmd: u_long; var arg: u_long): Integer;
function Ics_recv(s: TSocket; var Buf; len, flags: Integer): Integer;
function Ics_recvfrom(s: TSocket; var Buf; len, flags: Integer; Addr: TSockAddr; AddrSize: Integer): Integer;
function Ics_inet_ntoa(inaddr: TInAddr): PChar;
function Ics_getpeername(s: TSocket; var name: TSockAddr; var namelen: Integer): Integer;
function Ics_shutdown(s: TSocket; how: Integer): Integer;

{$IFNDEF WIN32}
function ioctlsocket(__fd: Tsocket; cmd: u_long; var arg: u_long): Integer; cdecl;
function getpeername(__fd: TSocket; var __addr: sockaddr; var __len: socklen_t): Integer; cdecl;
{$ENDIF}

implementation


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_select(nfds: integer; readfds, writefds, exceptfds: PFDSet; timeout: Ptimeval): Integer;
begin
    LogMsg('Ics_select(' + IntToStr(nfds) + ')');
    Result := select(nfds, readfds, writefds, exceptfds, timeout);
    LogMsg('Ics_select = ' + IntToStr(Result));
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_inet_ntoa(inaddr: TInAddr): PChar;
begin
    Result := inet_ntoa(inaddr);
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_getpeername(
    s: TSocket; var name: TSockAddr; var namelen: Integer): Integer;
begin
    Result := getpeername(s, name, socklen_t(namelen));
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_accept(s: TSocket; var addr: TSockAddr; var addrlen: Integer): TSocket;
begin
    Result := {$IFDEF WIN32} winsock.accept(s, @addr, @addrlen);
              {$ELSE}        libc.accept(s, @addr, @addrlen); {$ENDIF}
    LogMsg('Ics_accept = ' + IntToStr(Result));
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_listen(s: TSocket; backlog: Integer): Integer;
begin
    Result := listen(s, backlog);
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_ioctlsocket(s: TSocket; cmd: u_long; var arg: u_long): Integer;
begin
{$IFDEF WIN32}
    Result := ioctlsocket(s, DWORD(cmd), arg);
{$ELSE}
    Result := ioctlsocket(s, cmd, arg);
{$ENDIF}
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_sendto(
    s: TSocket; var Buf; len, flags: Integer;
    var addrto: TSockAddr; tolen: Integer): Integer;
begin
    Result := {$IFDEF WIN32} winsock.sendto {$ELSE} libc.sendto {$ENDIF}
    (s, Buf, len, flags, addrto, tolen);
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_send(s: TSocket; var Buf; len, flags: Integer): Integer;
begin
    Result := {$IFDEF WIN32} winsock.send {$ELSE} libc.send {$ENDIF}
              (s, Buf, len, flags);
    LogMsg('Ics_send(' + IntToStr(s) + ') = ' + IntToStr(Result));
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_recv(s: TSocket; var Buf; len, flags: Integer): Integer;
begin
    Result := {$IFDEF WIN32} winsock.recv {$ELSE} libc.recv {$ENDIF}
              (s, Buf, len, flags);
    LogMsg('Ics_recv(' + IntToStr(s) + ') = ' + IntToStr(Result));
end;

function Ics_recvfrom(s: TSocket; var Buf; len, flags: Integer; Addr: TSockAddr; AddrSize: Integer): Integer;
begin
		Result := {$IFDEF WIN32} winsock.recvfrom {$ELSE} libc.recvfrom {$ENDIF}
							(s, Buf, len, flags, @Addr, @AddrSize);
		LogMsg('Ics_recvfrom(' + IntToStr(s) + ') = ' + IntToStr(Result));
end;

{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_setsockopt(s: TSocket; level, optname: Integer; optval: PChar; optlen: Integer): Integer;
begin
    Result := setsockopt(s, level, optname, optval, optlen);
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_getsockname(s: TSocket; var name: TSockAddr; var namelen: Integer): Integer;
begin
    Result := {$IFDEF WIN32} winsock.getsockname(s, name, namelen);
              {$ELSE} libc.getsockname(s, name, socklen_t(namelen));{$ENDIF}

end;


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function Ics_getprotobyname(name: PChar): PProtoEnt;
begin
    Result := getprotobyname(name);
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_ntohs(netshort: u_short): u_short;
begin
    Result := ntohs(netshort);
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_getservbyname(name, proto: PChar): PServEnt;
begin
    Result := getservbyname(name, proto);
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_gethostbyname(name: PChar): PHostEnt;
begin
    Result := gethostbyname(name);
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_gethostname(name: PChar; Len: socklen_t): Integer;
begin
    Result := gethostname(name, Len);
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_inet_addr(cp: PChar): u_long;
begin
    Result := inet_addr(cp);
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_htons(hostshort: u_short): u_short;
begin
    Result := htons(hostshort);
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_socket(af, Struct, protocol: Integer): TSocket;
begin
    Result := socket(af, Struct, protocol);
    LogMsg('Ics_socket = ' + IntToStr(Result));
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_closesocket(s: TSocket): Integer;
begin
    Result := {$IFDEF WIN32} winsock.closesocket {$ELSE} libc.__close {$ENDIF} (s);
    LogMsg('Ics_closesocket(' + IntToStr(s) + ') = ' + IntToStr(Result));
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_shutdown(s: TSocket; how: Integer): Integer;
begin
    Result := {$IFDEF WIN32} winsock.shutdwon
              {$ELSE} libc.shutdown {$ENDIF} (s, how);
    LogMsg('Ics_closesocket(' + IntToStr(s) + ') = ' + IntToStr(Result));
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_bind(s: TSocket; var addr: TSockAddr; namelen: Integer): Integer;
begin
    Result := bind(s, addr, namelen);
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
function Ics_connect(s: TSocket; var name: TSockAddr; namelen: Integer): Integer;
begin
    Result := connect(s, name, namelen);
end;


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}
{$IFNDEF WIN32}
const
  libcmodulename = 'libc.so.6';

function ioctlsocket;       external    libcmodulename name 'ioctl';
function getpeername;       external    libcmodulename name 'getpeername';
{$ENDIF}


{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *}

end.