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fpc/rtl/inc/socketsh.inc
daniel 8ff402109f + Add type and constants to ease porting from Kylix libc unit 
to sockets unit.

git-svn-id: trunk@6414 -
2007-02-11 12:21:01 +00:00

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{
This file is part of the Free Pascal run time library.
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.
**********************************************************************}
{$INLINE ON}
type
{$ifdef SOCK_HAS_SINLEN}
sa_family_t = cuchar;
{$else}
sa_family_t = cushort;
{$endif}
const
{ Socket types }
{$ifdef sunos}
SOCK_STREAM = 2; { stream socket }
SOCK_DGRAM = 1; { datagram socket }
SOCK_RAW = 4; { raw-protocol interface }
SOCK_RDM = 5; { reliably-delivered message }
SOCK_SEQPACKET = 6; { sequenced packet stream }
{$else}
SOCK_STREAM = 1; { stream (connection) socket }
SOCK_DGRAM = 2; { datagram (conn.less) socket }
SOCK_RAW = 3; { raw socket }
SOCK_RDM = 4; { reliably-delivered message }
SOCK_SEQPACKET = 5; { sequential packet socket }
{$endif}
INVALID_SOCKET = -1; { To ease porting from Kylix libc}
SOCKET_ERROR = -1; { unit to sockets unit.}
INADDR_ANY = CARDINAL(0);
INADDR_NONE = CARDINAL($FFFFFFFF);
const
{ Two constants to determine whether part of soket is for in or output }
S_IN = 0;
S_OUT = 1;
type
pin_addr = ^in_addr;
in_addr = packed record
case boolean of
true: (s_addr : cuint32); // inaddr_t=cuint32
false: (s_bytes : packed array[1..4] of byte);
end;
TIn_addr = in_addr;
TInAddr = in_addr;
PInAddr = pin_addr;
{pin_addrbytes = ^in_addrbytes;
in_addrbytes = packed array [1..4] of byte;}
psockaddr_in = ^sockaddr_in;
sockaddr_in = packed record
case boolean of
false : (
{$ifdef SOCK_HAS_SINLEN}
sin_len : cuchar;
{$endif}
sin_family : sa_family_t;
sin_port : cushort;
sin_addr : in_addr;
xpad : array [0..7] of char; { to get to the size of sockaddr... }
);
true: (
{$ifdef SOCK_HAS_SINLEN}
len : cuchar;
{$endif}
family : sa_family_t;
port : cushort;
addr : cardinal;
pad : array [0..7] of char; { to get to the size of sockaddr... }
);
end;
TInetSockAddr = sockaddr_in;
PInetSockAddr = psockaddr_in;
psockaddr = ^sockaddr;
sockaddr = packed record // if sa_len is defined, sa_family_t is smaller
{$ifdef SOCK_HAS_SINLEN}
sa_len : cuchar;
{$endif}
case integer of
0: (sa_family: sa_family_t;
sa_data: packed array[0..13] of cuint8);
1: (sin_family: sa_family_t;
sin_port: cushort;
sin_addr: in_addr;
sin_zero: packed array[0..7] of cuint8);
end;
TSockAddr = sockaddr;
plinger = ^linger;
linger = packed record
l_onoff : cint; (* Linger active *)
l_linger : cint; (* How long to linger for *)
end;
TLinger = linger;
pin6_addr = ^in6_addr;
in6_addr = packed record
case byte of
0: (u6_addr8 : array[0..15] of byte);
1: (u6_addr16 : array[0..7] of Word);
2: (u6_addr32 : array[0..3] of Cardinal);
3: (s6_addr8 : array[0..15] of shortint);
4: (s6_addr : array[0..15] of shortint);
5: (s6_addr16 : array[0..7] of smallint);
6: (s6_addr32 : array[0..3] of LongInt);
end;
Tin6_addr = in6_addr;
TIn6Addr = in6_addr;
PIn6Addr = pin6_addr;
psockaddr_in6 = ^sockaddr_in6;
sockaddr_in6 = packed Record
{$ifdef SOCK_HAS_SINLEN} // as per RFC 2553
sin6_len : cuint8;
{$endif}
sin6_family : sa_family_t;
sin6_port : cuint16;
sin6_flowinfo : cuint32;
sin6_addr : in6_addr;
sin6_scope_id : cuint32;
end;
TInetSockAddr6 = sockaddr_in6;
PInetSockAddr6 = psockaddr_in6;
TSockPairArray = Array[0..1] of Longint;
TSockArray = Array[1..2] of Longint; //legacy
psockaddr_un = ^sockaddr_un;
sockaddr_un = packed record
{$ifdef SOCK_HAS_SINLEN}
sun_len : cuint8;
{$endif}
sun_family : sa_family_t;
sun_path : array[0..107] of char;
end;
Tsocket=longint; {To easy porting code from Kylix libc unit to sockets unit.}
Var
SocketError:cint;
function fpsocket (domain:cint; xtype:cint; protocol: cint):cint;
function fprecv (s:cint; buf: pointer; len: size_t; flags: cint):ssize_t;
function fprecvfrom (s:cint; buf: pointer; len: size_t; flags: cint; from : psockaddr; fromlen : psocklen):ssize_t;
function fpsend (s:cint; msg:pointer; len:size_t; flags:cint):ssize_t;
function fpsendto (s:cint; msg:pointer; len:size_t; flags:cint; tox :psockaddr; tolen: tsocklen):ssize_t;
function fpbind (s:cint; addrx : psockaddr; addrlen : tsocklen):cint;
function fplisten (s:cint; backlog : cint):cint;
function fpaccept (s:cint; addrx : psockaddr; addrlen : psocklen):cint;
function fpconnect (s:cint; name : psockaddr; namelen : tsocklen):cint;
function fpshutdown (s:cint; how:cint):cint;
function fpgetsockname (s:cint; name : psockaddr; namelen : psocklen):cint;
function fpgetpeername (s:cint; name : psockaddr; namelen : psocklen):cint;
function fpgetsockopt (s:cint; level:cint; optname:cint; optval:pointer; optlen : psocklen):cint;
function fpsetsockopt (s:cint; level:cint; optname:cint; optval:pointer; optlen : tsocklen):cint;
function fpsocketpair (d:cint; xtype:cint; protocol:cint; sv:pcint):cint;
{Basic Socket Functions}
Function Socket(Domain,SocketType,Protocol:Longint):Longint;
Function CloseSocket(Sock:Longint):Longint;
Function Send(Sock:Longint;Const Buf;BufLen,Flags:Longint):Longint;
Function SendTo(Sock:Longint;Const Buf;BufLen,Flags:Longint;Var Addr; AddrLen : Longint):Longint;
Function Recv(Sock:Longint;Var Buf;BufLen,Flags:Longint):Longint;
Function RecvFrom(Sock : Longint; Var Buf; Buflen,Flags : Longint; Var Addr; var AddrLen : longInt) : longint;
Function Bind(Sock:Longint;Const Addr;AddrLen:Longint):Boolean;
Function Listen (Sock,MaxConnect:Longint):Boolean;
Function Accept(Sock:Longint;Var Addr;Var Addrlen:Longint):Longint;
Function Connect(Sock:Longint;Const Addr;Addrlen:Longint):boolean;
Function Shutdown(Sock:Longint;How:Longint):Longint;
Function GetSocketName(Sock:Longint;Var Addr;Var Addrlen:Longint):Longint;
Function GetPeerName(Sock:Longint;Var Addr;Var Addrlen:Longint):Longint;
Function SetSocketOptions(Sock,Level,OptName:Longint;const OptVal;optlen:longint):Longint;
Function GetSocketOptions(Sock,Level,OptName:Longint;Var OptVal;Var optlen:longint):Longint;
Function SocketPair(Domain,SocketType,Protocol:Longint;var Pair:TSockArray):Longint;
{Text Support}
Procedure Sock2Text(Sock:Longint;Var SockIn,SockOut:Text);
{Untyped File Support}
Procedure Sock2File(Sock:Longint;Var SockIn,SockOut:File);
{Better Pascal Calling, Overloaded Functions!}
Function Accept(Sock:longint;var addr:TInetSockAddr;var SockIn,SockOut:File):Boolean;
Function Accept(Sock:longint;var addr:TInetSockAddr;var SockIn,SockOut:text):Boolean;
Function Connect(Sock:longint;const addr:TInetSockAddr;var SockIn,SockOut:text):Boolean;
Function Connect(Sock:longint;const addr:TInetSockAddr;var SockIn,SockOut:file):Boolean;
{ Utility routines}
function htonl( host : longint):longint; inline;
Function NToHl( Net : Longint) : Longint; inline;
function htons( host : word):word; inline;
Function NToHs( Net : word):word; inline;
function NetAddrToStr (Entry : in_addr) : AnsiString;
function HostAddrToStr(Entry : in_addr) : AnsiString;
function StrToHostAddr(IP : AnsiString) : in_addr ;
function StrToNetAddr (IP : AnsiString) : in_addr;
{ these for are for netdb legacy compat}
Function HostToNet (Host : in_addr) : in_addr;
Function NetToHost (Net : in_addr) : in_addr;
Function HostToNet (Host : Longint) : Longint;
Function NetToHost (Net : Longint) : Longint;
Function ShortHostToNet(Host : Word) : Word;
Function ShortNetToHost(Net : Word) : Word;
// ipv6
function HostAddrToStr6(Entry : Tin6_addr) : AnsiString;
function StrToHostAddr6(IP : String) : Tin6_addr; // not implemented?!?
function NetAddrToStr6 (Entry: Tin6_addr) : AnsiString;
function StrToNetAddr6 (IP : AnsiString) : TIn6_Addr;
CONST
NoAddress : in_addr = (s_addr:0);
NoNet : in_addr = (s_addr:0);
NoAddress6: in6_addr = (u6_addr16:(0,0,0,0,0,0,0,0));
NoNet6 : in6_addr = (u6_addr16:(0,0,0,0,0,0,0,0));
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