{
$Id: unixsock.inc,v 1.8 2003/09/14 20:15:01 marco Exp $
This file is part of the Free Pascal run time library.
Copyright (c) 2000 by Marco van de Voort
member of 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.
**********************************************************************}
Const
{
Arguments to the Linux Kernel system call for sockets. All
Socket Connected calls go through the same system call,
with an extra argument to determine what action to take.
}
Socket_Sys_SOCKET = 1;
Socket_Sys_BIND = 2;
Socket_Sys_CONNECT = 3;
Socket_Sys_LISTEN = 4;
Socket_Sys_ACCEPT = 5;
Socket_Sys_GETSOCKNAME = 6;
Socket_Sys_GETPEERNAME = 7;
Socket_Sys_SOCKETPAIR = 8;
Socket_Sys_SEND = 9;
Socket_Sys_RECV = 10;
Socket_Sys_SENDTO = 11;
Socket_Sys_RECVFROM = 12;
Socket_Sys_SHUTDOWN = 13;
Socket_Sys_SETSOCKOPT = 14;
Socket_Sys_GETSOCKOPT = 15;
Socket_Sys_SENDMSG = 16;
Socket_Sys_RECVMSG = 17;
Function SocketCall(SockCallNr,a1,a2,a3,a4,a5,a6:longint):longint;
var
// Regs:SysCallRegs;
Args:array[1..6] of longint;
begin
{$IFNDEF BSD}
args[1]:=a1;
args[2]:=a2;
args[3]:=a3;
args[4]:=a4;
args[5]:=a5;
args[6]:=a6;
SocketCall:=do_Syscall(syscall_nr_socketcall,sockcallnr,longint(@args));
If SocketCall<0 then
SocketError:=fpgetErrno
else
SocketError:=0;
{$ELSE}
SocketError:=-1;
{$ENDIF}
end;
Function SocketCall(SockCallNr,a1,a2,a3:longint):longint;
begin
SocketCall:=SocketCall(SockCallNr,a1,a2,a3,0,0,0);
end;
{******************************************************************************
Basic Socket Functions
******************************************************************************}
Function socket(Domain,SocketType,Protocol:Longint):Longint;
begin
Socket:=SocketCall(Socket_Sys_Socket,Domain,SocketType,ProtoCol);
end;
Function CloseSocket (Sock:Longint):Longint;
begin
if fpClose(Sock)=0 then
CloseSocket := 0 else
CloseSocket := -1;
end;
Function Send(Sock:Longint;Const Buf;BufLen,Flags:Longint):Longint;
begin
Send:=SocketCall(Socket_Sys_Send,Sock,Longint(@Buf),BufLen,Flags,0,0);
end;
Function SendTo(Sock:Longint;Const Buf;BufLen,Flags:Longint;Var Addr; AddrLen : Longint):Longint;
begin
Sendto:=SocketCall(Socket_Sys_SendTo,Sock,Longint(@Buf),BufLen,Flags,Longint(@Addr),AddrLen);
end;
Function Recv(Sock:Longint;Var Buf;BufLen,Flags:Longint):Longint;
begin
Recv:=SocketCall(Socket_Sys_Recv,Sock,Longint(@Buf),BufLen,Flags,0,0);
end;
Function RecvFrom(Sock : Longint; Var Buf; Buflen,Flags : Longint; Var Addr ; AddrLen : Integer) : longint;
begin
RecvFrom:=SocketCall(Socket_Sys_Recv,Sock,Longint(@buf),buflen,flags,Longint(@Addr),AddrLen);
end;
Function Bind(Sock:Longint;Const Addr;AddrLen:Longint):Boolean;
begin
Bind:=(SocketCall(Socket_Sys_Bind,Sock,Longint(@Addr),AddrLen)=0);
end;
Function Listen(Sock,MaxConnect:Longint):Boolean;
begin
Listen:=(SocketCall(Socket_Sys_Listen,Sock,MaxConnect,0)=0);
end;
Function Accept(Sock:Longint;Var Addr;Var Addrlen:Longint):Longint;
begin
Accept:=SocketCall(Socket_Sys_Accept,Sock,longint(@Addr),longint(@AddrLen));
If Accept<0 Then
Accept:=-1;
end;
Function Connect(Sock:Longint;Const Addr;Addrlen:Longint): boolean;
begin
Connect:=SocketCall(Socket_Sys_Connect,Sock,longint(@Addr),AddrLen)=0;
end;
Function Shutdown(Sock:Longint;How:Longint):Longint;
begin
ShutDown:=SocketCall(Socket_Sys_ShutDown,Sock,How,0);
end;
Function GetSocketName(Sock:Longint;Var Addr;Var Addrlen:Longint):Longint;
begin
GetSocketName:=SocketCall(Socket_Sys_GetSockName,Sock,longint(@Addr),longint(@AddrLen));
end;
Function GetPeerName(Sock:Longint;Var Addr;Var Addrlen:Longint):Longint;
begin
GetPeerName:=SocketCall(Socket_Sys_GetPeerName,Sock,longint(@Addr),longint(@AddrLen));
end;
Function SetSocketOptions(Sock,Level,OptName:Longint;Const OptVal;optlen:longint):Longint;
begin
SetSocketOptions:=SocketCall(Socket_Sys_SetSockOpt,Sock,Level,OptName,Longint(@OptVal),OptLen,0);
end;
Function GetSocketOptions(Sock,Level,OptName:Longint;Var OptVal;Var optlen:longint):Longint;
begin
GetSocketOptions:=SocketCall(Socket_Sys_GetSockOpt,Sock,Level,OptName,Longint(@OptVal),OptLen,0);
end;
Function SocketPair(Domain,SocketType,Protocol:Longint;var Pair:TSockArray):Longint;
begin
SocketPair:=SocketCall(Socket_Sys_SocketPair,Domain,SocketType,Protocol,longint(@Pair),0,0);
end;
{******************************************************************************
UnixSock
******************************************************************************}
Procedure Str2UnixSockAddr(const addr:string;var t:TUnixSockAddr;var len:longint);
begin
Move(Addr[1],t.Path,length(Addr));
t.Family:=AF_UNIX;
t.Path[length(Addr)]:=#0;
Len:=Length(Addr)+3;
end;
Function Bind(Sock:longint;const addr:string):boolean;
var
UnixAddr : TUnixSockAddr;
AddrLen : longint;
begin
Str2UnixSockAddr(addr,UnixAddr,AddrLen);
Bind(Sock,UnixAddr,AddrLen);
Bind:=(SocketError=0);
end;
Function DoAccept(Sock:longint;var addr:string):longint;
var
UnixAddr : TUnixSockAddr;
AddrLen : longint;
begin
AddrLen:=length(addr)+3;
DoAccept:=Accept(Sock,UnixAddr,AddrLen);
Move(UnixAddr.Path,Addr[1],AddrLen);
SetLength(Addr,AddrLen);
end;
Function DoConnect(Sock:longint;const addr:string):Boolean;
var
UnixAddr : TUnixSockAddr;
AddrLen : longint;
begin
Str2UnixSockAddr(addr,UnixAddr,AddrLen);
DoConnect:=Connect(Sock,UnixAddr,AddrLen);
end;
Function Accept(Sock:longint;var addr:string;var SockIn,SockOut:text):Boolean;
var
s : longint;
begin
S:=DoAccept(Sock,addr);
if S>0 then
begin
Sock2Text(S,SockIn,SockOut);
Accept:=true;
end
else
Accept:=false;
end;
Function Accept(Sock:longint;var addr:string;var SockIn,SockOut:File):Boolean;
var
s : longint;
begin
S:=DoAccept(Sock,addr);
if S>0 then
begin
Sock2File(S,SockIn,SockOut);
Accept:=true;
end
else
Accept:=false;
end;
Function Connect(Sock:longint;const addr:string;var SockIn,SockOut:text):Boolean;
begin
Connect:=DoConnect(Sock,addr);
If Connect then
Sock2Text(Sock,SockIn,SockOut);
end;
Function Connect(Sock:longint;const addr:string;var SockIn,SockOut:file):Boolean;
begin
Connect:=DoConnect(Sock,addr);
if Connect then
Sock2File(Sock,SockIn,SockOut);
end;
{
$Log: unixsock.inc,v $
Revision 1.8 2003/09/14 20:15:01 marco
* Unix reform stage two. Remove all calls from Unix that exist in Baseunix.
Revision 1.7 2003/03/23 17:47:15 armin
* CloseSocket added
Revision 1.6 2002/09/07 16:01:20 peter
* old logs removed and tabs fixed
Revision 1.5 2002/02/04 21:29:34 michael
+ merged missing sendto/rcvfrom functions
}
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