File : sockets-thin.ads
-----------------------------------------------------------------------------
-- --
-- ADASOCKETS COMPONENTS --
-- --
-- S O C K E T S . T H I N --
-- --
-- S p e c --
-- --
-- $ReleaseVersion: 0.1.6 $ --
-- --
-- Copyright (C) 1998-2000 --
-- École Nationale Supérieure des Télécommunications --
-- --
-- AdaSockets is free software; you can redistribute it and/or modify --
-- it under terms of the GNU General Public License as published by --
-- the Free Software Foundation; either version 2, or (at your option) --
-- any later version. AdaSockets 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. --
-- See the GNU General Public License for more details. You should --
-- have received a copy of the GNU General Public License distributed --
-- with AdaSockets; see file COPYING. If not, write to the Free --
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA --
-- 02111-1307, USA. --
-- --
-- As a special exception, if other files instantiate generics from --
-- this unit, or you link this unit with other files to produce an --
-- executable, this unit does not by itself cause the resulting --
-- executable to be covered by the GNU General Public License. This --
-- exception does not however invalidate any other reasons why the --
-- executable file might be covered by the GNU Public License. --
-- --
-- The main repository for this software is located at: --
-- http://www.infres.enst.fr/ANC/ --
-- --
-- If you have any question, please send a mail to --
-- Samuel Tardieu <sam@inf.enst.fr> --
-- --
-----------------------------------------------------------------------------
with Interfaces.C.Pointers;
with Interfaces.C.Strings;
with System.Storage_Elements;
package Sockets.Thin is
package C renames Interfaces.C;
package Strings renames C.Strings;
generic package Pointers renames C.Pointers;
use type C.int;
-- This is an ugly hack to be able to declare the Failure constant
-- below.
Success : constant C.int := 0;
Failure : constant C.int := -1;
type Int_Access is access all C.int;
pragma Convention (C, Int_Access);
-- Access to C integers
type pid_t is new C.int;
pragma Convention (C, pid_t);
type mode_t is new C.int;
pragma Convention (C, mode_t);
type key_t is new C.int;
pragma Convention (C, key_t);
type Chars_Ptr_Array is array (C.size_t range <>) of
aliased Strings.chars_ptr;
package Chars_Ptr_Pointers is
new Pointers (C.size_t, Strings.chars_ptr, Chars_Ptr_Array,
Strings.Null_Ptr);
-- Arrays of C (char *)
type In_Addr is record
S_B1, S_B2, S_B3, S_B4 : C.unsigned_char;
end record;
pragma Convention (C, In_Addr);
-- Internet address
type In_Addr_Access is access all In_Addr;
pragma Convention (C, In_Addr_Access);
-- Access to internet address
Inaddr_Any : aliased constant In_Addr := (others => 0);
-- Any internet address (all the interfaces)
type In_Addr_Access_Array is array (Positive range <>)
of aliased In_Addr_Access;
pragma Convention (C, In_Addr_Access_Array);
package In_Addr_Access_Pointers is
new Pointers (Positive, In_Addr_Access, In_Addr_Access_Array,
null);
-- Array of internet addresses
type Sockaddr is record
Sa_Family : C.unsigned_short;
Sa_Data : C.char_array (1 .. 14);
end record;
pragma Convention (C, Sockaddr);
-- Socket address
type Sockaddr_Access is access all Sockaddr;
pragma Convention (C, Sockaddr_Access);
-- Access to socket address
type Sockaddr_In is record
Sin_Family : C.unsigned_short;
Sin_Port : C.unsigned_short := 0;
Sin_Addr : In_Addr := Inaddr_Any;
Sin_Zero : C.char_array (1 .. 8) := (others => C.char'Val (0));
end record;
pragma Convention (C, Sockaddr_In);
-- Internet socket address
type Sockaddr_In_Access is access all Sockaddr_In;
pragma Convention (C, Sockaddr_In_Access);
-- Access to internet socket address
type Ip_Mreq is record
Imr_Multiaddr : In_Addr;
Imr_Interface : In_Addr := Inaddr_Any;
end record;
pragma Convention (C, Ip_Mreq);
-- Multicast structure
type Hostent is record
H_Name : Strings.chars_ptr;
H_Aliases : Chars_Ptr_Pointers.Pointer;
H_Addrtype : C.int;
H_Length : C.int;
H_Addr_List : In_Addr_Access_Pointers.Pointer;
end record;
pragma Convention (C, Hostent);
-- Host entry
type Hostent_Access is access all Hostent;
pragma Convention (C, Hostent_Access);
-- Access to host entry
type Iovec is record
Iov_Base : System.Address;
Iov_Len : System.Storage_Elements.Storage_Offset;
end record;
pragma Convention (C, Iovec);
-- Iovec C type
type Msghdr is record
Msg_Name : System.Address;
Msg_Namelen : C.int;
Msg_Iov : System.Address;
Msg_Iovlen : C.int;
Msg_Accrights : System.Address;
Msg_Accrightslen : C.int;
end record;
pragma Convention (C, Msghdr);
-- Message header
type Msghdr_Access is access all Msghdr;
pragma Convention (C, Msghdr_Access);
-- Access to message header.
type Two_Int is array (0 .. 1) of C.int;
pragma Convention (C, Two_Int);
-- Used with socketpair()
type Pollfd is record
Fd : C.int;
Events : C.short;
Revents : C.short;
end record;
pragma Convention (C, Pollfd);
type Pollfd_Array is array (Positive range <>) of Pollfd;
pragma Convention (C, Pollfd_Array);
function C_Accept
(S : C.int;
Addr : System.Address;
Addrlen : access C.int)
return C.int;
function C_Bind
(S : C.int;
Name : System.Address;
Namelen : C.int)
return C.int;
procedure C_Close (Fildes : C.int);
function C_Connect
(S : C.int;
Name : System.Address;
Namelen : C.int)
return C.int;
function C_Dup2 (Fildes, Fildes2 : C.int) return C.int;
function C_Fcntl
(Fildes : C.int;
Cmd : C.int;
Arg : C.int := 0)
return C.int;
function C_Getenv
(Name : Strings.chars_ptr)
return Strings.chars_ptr;
function C_Gethostbyaddr
(Addr : Strings.chars_ptr;
Length : C.int;
Typ : C.int)
return Hostent_Access;
function C_Gethostbyname
(Name : Strings.chars_ptr)
return Hostent_Access;
function C_Gethostname
(Name : Strings.chars_ptr;
Namelen : C.int)
return C.int;
function C_Gethostname
(Name : System.Address;
Namelen : C.int)
return C.int;
function C_Getpeername
(S : C.int;
Name : System.Address;
Namelen : access C.int)
return C.int;
function C_Getpid return pid_t;
function C_Getsockname
(S : C.int;
Name : Sockaddr_Access;
Namelen : access C.int)
return C.int;
function C_Getsockname
(S : C.int;
Name : System.Address;
Namelen : access C.int)
return C.int;
function C_Getsockopt
(S : C.int;
Level : C.int;
Optname : C.int;
Optval : Strings.chars_ptr;
Optlen : access C.int)
return C.int;
function C_Inet_Addr
(Cp : Strings.chars_ptr)
return Interfaces.Unsigned_32;
function C_Inet_Network
(Cp : Strings.chars_ptr)
return Interfaces.Unsigned_32;
function C_Inet_Makeaddr
(Net : C.int;
Lna : C.int)
return In_Addr;
function C_Inet_Lnaof (I : In_Addr) return C.int;
function C_Inet_Netof (I : In_Addr) return C.int;
function C_Inet_Ntoa (I : In_Addr) return Strings.chars_ptr;
function C_Kill (Pid : pid_t; Sig : C.int) return C.int;
function C_Listen (S, Backlog : C.int) return C.int;
function C_Msgget
(Key : key_t;
Msgflg : C.int)
return C.int;
function C_Msgrcv
(Msqid : C.int;
Msgp : Strings.chars_ptr;
Msgsz : C.int;
Msgtyp : C.long;
Msgflg : C.int)
return C.int;
function C_Msgsnd
(Msqid : C.int;
Msgp : Strings.chars_ptr;
Msgsz : C.int;
Msgflg : C.int)
return C.int;
function C_Open
(Path : Strings.chars_ptr;
Oflag : C.int;
Mode : mode_t := 0)
return C.int;
function C_Socketpair (Domain : C.int;
Typ : C.int;
Protocol : C.int;
Filedes : System.Address)
return C.int;
function C_Poll
(Fds : System.Address;
Nfds : C.unsigned_long;
Timeout : C.int)
return C.int;
function C_Read
(Fildes : C.int;
Buf : System.Address;
Nbyte : C.int)
return C.int;
function C_Readv
(Fildes : C.int;
Iov : System.Address;
Iovcnt : C.int)
return C.int;
function C_Recv (S : C.int; Buf : System.Address; Len, Flags : C.int)
return C.int;
function C_Recvfrom
(S : C.int;
Buf : System.Address;
Len : C.int;
Flags : C.int;
From : System.Address;
Fromlen : access C.int)
return C.int;
function C_Recvmsg
(S : C.int;
Msg : Msghdr_Access;
Flags : C.int)
return C.int;
function C_Send
(S : C.int;
Msg : System.Address;
Len : C.int;
Flags : C.int)
return C.int;
function C_Sendmsg
(S : C.int;
Msg : Msghdr_Access;
Flags : C.int)
return C.int;
function C_Sendto
(S : C.int;
Msg : System.Address;
Len : C.int;
Flags : C.int;
To : System.Address;
Tolen : C.int)
return C.int;
function C_Setsid return pid_t;
function C_Setsockopt
(S : C.int;
Level : C.int;
Optname : C.int;
Optval : System.Address;
Optlen : C.int)
return C.int;
procedure C_Shutdown
(S : in C.int;
How : in C.int);
function C_Socket (Domain, Typ, Protocol : C.int) return C.int;
function C_Strerror (Errnum : C.int) return Strings.chars_ptr;
function C_Write
(Fildes : C.int;
Buf : System.Address;
Nbyte : C.int)
return C.int;
function C_Writev
(Fildes : C.int;
Iov : System.Address;
Iovcnt : C.int)
return C.int;
private
pragma Import (C, C_Accept, "accept");
pragma Import (C, C_Bind, "bind");
pragma Import (C, C_Close, "close");
pragma Import (C, C_Connect, "connect");
pragma Import (C, C_Dup2, "dup2");
pragma Import (C, C_Fcntl, "fcntl");
pragma Import (C, C_Getenv, "getenv");
pragma Import (C, C_Gethostbyaddr, "gethostbyaddr");
pragma Import (C, C_Gethostbyname, "gethostbyname");
pragma Import (C, C_Gethostname, "gethostname");
pragma Import (C, C_Getpeername, "getpeername");
pragma Import (C, C_Getpid, "getpid");
pragma Import (C, C_Getsockname, "getsockname");
pragma Import (C, C_Getsockopt, "getsockopt");
pragma Import (C, C_Inet_Addr, "inet_addr");
pragma Import (C, C_Inet_Network, "inet_network");
pragma Import (C, C_Inet_Makeaddr, "inet_makeaddr");
pragma Import (C, C_Inet_Lnaof, "inet_lnaof");
pragma Import (C, C_Inet_Netof, "inet_netof");
pragma Import (C, C_Inet_Ntoa, "inet_ntoa");
pragma Import (C, C_Kill, "kill");
pragma Import (C, C_Listen, "listen");
pragma Import (C, C_Msgget, "msgget");
pragma Import (C, C_Msgrcv, "msgrcv");
pragma Import (C, C_Msgsnd, "msgsnd");
pragma Import (C, C_Open, "open");
pragma Import (C, C_Socketpair, "socketpair");
pragma Import (C, C_Poll, "poll");
pragma Import (C, C_Read, "read");
pragma Import (C, C_Readv, "readv");
pragma Import (C, C_Recv, "recv");
pragma Import (C, C_Recvfrom, "recvfrom");
pragma Import (C, C_Recvmsg, "recvmsg");
pragma Import (C, C_Send, "send");
pragma Import (C, C_Sendmsg, "sendmsg");
pragma Import (C, C_Sendto, "sendto");
pragma Import (C, C_Setsid, "setsid");
pragma Import (C, C_Setsockopt, "setsockopt");
pragma Import (C, C_Shutdown, "shutdown");
pragma Import (C, C_Socket, "socket");
pragma Import (C, C_Strerror, "strerror");
pragma Import (C, C_Write, "write");
pragma Import (C, C_Writev, "writev");
end Sockets.Thin;