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{! completely untested !}
{******************************************************************************
Import Socket Functions from nlmlib
******************************************************************************}
CONST SockLib = 'nlmlib.nlm';
Function _NWsocket(Domain,SocketType,Protocol:Longint):Longint; CDECL; EXTERNAL SockLib NAME 'socket';
Function _NWSend(Sock:Longint;Const Addr;AddrLen,Flags:Longint):Longint; CDECL; EXTERNAL SockLib NAME 'send';
Function _NWSendTo(Sock:Longint;Const Buf;BufLen,Flags:Longint; Var Addr; AddrLen : longint):Longint; CDECL; EXTERNAL SockLib NAME 'sendto';
Function _NWRecv(Sock:Longint;Var Addr;AddrLen,Flags:Longint):Longint; CDECL; EXTERNAL SockLib NAME 'recv';
Function _NWRecvFrom(Sock:Longint;Var Buf;BufLen,Flags:Longint; Var Addr; AddrLen : Longint):Longint; CDECL; EXTERNAL SockLib NAME 'recvfrom';
Function _NWBind(Sock:Longint;Const Addr;AddrLen:Longint):Longint; CDECL; EXTERNAL SockLib NAME 'bind';
Function _NWListen(Sock,MaxConnect:Longint):Longint; CDECL; EXTERNAL SockLib NAME 'listen';
Function _NWAccept(Sock:Longint;Var Addr;Var Addrlen:Longint):Longint; CDECL; EXTERNAL SockLib NAME 'accept';
Function _NWConnect(Sock:Longint;Const Addr;Addrlen:Longint): longint; CDECL; EXTERNAL SockLib NAME 'connect';
Function _NWShutdown(Sock:Longint;How:Longint):Longint; CDECL; EXTERNAL SockLib NAME 'shutdown';
Function _NWGetSocketName(Sock:Longint;Var Addr;Var Addrlen:Longint):Longint; CDECL; EXTERNAL SockLib NAME 'getsocketname';
Function _NWGetPeerName(Sock:Longint;Var Addr;Var Addrlen:Longint):Longint; CDECL; EXTERNAL SockLib NAME 'getpeername';
Function _NWSetSockOpt(Sock,Level,OptName:Longint;Const OptVal;optlen:longint):Longint; CDECL; EXTERNAL SockLib NAME 'setsockopt';
Function _NWGetSockOpt(Sock,Level,OptName:Longint;Var OptVal;Var optlen:longint):Longint; CDECL; EXTERNAL SockLib NAME 'getsockopt';
{******************************************************************************
Basic Socket Functions
******************************************************************************}
Function socket(Domain,SocketType,Protocol:Longint):Longint;
begin
Socket:=_NWSocket(Domain,SocketType,Protocol);
end;
Function Send(Sock:Longint;Const Buf;BufLen,Flags:Longint):Longint;
begin
Send:=_NWSend(Sock,Buf,BufLen,Flags);
end;
Function SendTo(Sock:Longint;Const Buf;BufLen,Flags:Longint;Var Addr; AddrLen : Longint):Longint;
begin
SendTo := _NWSendTo (Sock, Buf, BufLen, Flags, Addr, AddrLen);
end;
Function Recv(Sock:Longint;Var Buf; BufLen,Flags:Longint):Longint;
begin
Recv:=_NWRecv(Sock,Buf,BufLen,Flags);
end;
Function RecvFrom(Sock : Longint; Var Buf; Buflen,Flags : Longint; Var Addr ; AddrLen : Integer) : longint;
begin
RecvFrom := _NWRecvFrom (Sock, Buf, BufLen, Flags, Addr, AddrLen);
end;
Function Bind(Sock:Longint;Const Addr;AddrLen:Longint):Boolean;
begin
Bind:=(_NWBind(Sock,Addr,AddrLen)=0);
end;
Function Listen(Sock,MaxConnect:Longint):Boolean;
begin
Listen:=(_NWListen(Sock,MaxConnect)=0);
end;
Function Accept(Sock:Longint;Var Addr;Var Addrlen:Longint):Longint;
begin
Accept:=_NWAccept(Sock,Addr,AddrLen);
If Accept<0 Then
Accept:=-1;
end;
Function Connect(Sock:Longint;Const Addr;Addrlen:Longint): boolean;
begin
Connect:=_NWConnect(Sock,Addr,AddrLen)=0;
end;
Function Shutdown(Sock:Longint;How:Longint):Longint;
begin
ShutDown:=_NWShutdown(Sock,How);
end;
Function GetSocketName(Sock:Longint;Var Addr;Var Addrlen:Longint):Longint;
begin
GetSocketName:=_NWGetSocketName(Sock,Addr,AddrLen);
end;
Function GetPeerName(Sock:Longint;Var Addr;Var Addrlen:Longint):Longint;
begin
GetPeerName:=_NWGetPeerName(Sock,Addr,AddrLen);
end;
Function SetSocketOptions(Sock,Level,OptName:Longint;Const OptVal;optlen:longint):Longint;
begin
SetSocketOptions:=_NWSetsockopt(Sock,Level,OptName,OptVal,OptLen);
end;
Function GetSocketOptions(Sock,Level,OptName:Longint;Var OptVal;Var optlen:longint):Longint;
begin
GetSocketOptions:=_NWGetsockopt(Sock,Level,OptName,OptVal,OptLen);
end;
Function SocketPair(Domain,SocketType,Protocol:Longint;var Pair:TSockArray):Longint;
begin
//SocketPair:=do_syscall(syscall_nr_SocketPair,Domain,SocketType,Protocol,longint(@Pair),0,0);
Socketpair := -1;
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;
// fsread and fswrite are used in socket.inc
procedure fdwrite (Handle:longint; VAR Data; Len : LONGINT);
begin
{ this has to be checked: }
_NWSend(Handle,Data,Len,0);
end;
function fdread (Handle:longint; VAR Data; Len : LONGINT) : LONGINT;
begin
{ this has to be checked: }
fdread := _NWRecv(Handle,Data,Len,0);
end;
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