+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- G N A T . S O C K E T S . T H I N --
--- --
--- S p e c --
--- --
--- $Revision: 1.1 $
--- --
--- Copyright (C) 2001 Ada Core Technologies, Inc. --
--- --
--- GNAT is free software; you can redistribute it and/or modify it under --
--- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
--- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
--- OUT 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 GNAT; 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. --
--- --
--- GNAT is maintained by Ada Core Technologies Inc (http://www.gnat.com). --
--- --
-------------------------------------------------------------------------------
-
--- This version is for NT.
-
-with Interfaces.C.Pointers;
-with Interfaces.C.Strings;
-
-with GNAT.Sockets.Constants;
-
-with System;
-
-package GNAT.Sockets.Thin is
-
- -- ??? far more comments required ???
-
- package C renames Interfaces.C;
-
- use type C.int;
- -- So that we can declare the Failure constant below.
-
- Success : constant C.int := 0;
- Failure : constant C.int := -1;
-
- function Socket_Errno return Integer;
- -- Returns last socket error number.
-
- function Socket_Error_Message (Errno : Integer) return String;
- -- Returns the error message string for the error number Errno. If
- -- Errno is not known it returns "Unknown system error".
-
- type Socket_Fd_Array is array (C.unsigned range 1 .. 64) of C.int;
- pragma Convention (C, Socket_Fd_Array);
-
- type Fd_Set is record
- fd_count : C.unsigned;
- fd_array : Socket_Fd_Array;
- end record;
- pragma Convention (C, Fd_Set);
-
- Null_Fd_Set : constant Fd_Set := (0, (others => 0));
-
- type Fd_Set_Access is access all Fd_Set;
- pragma Convention (C, Fd_Set_Access);
-
- type Timeval_Unit is new C.long;
- pragma Convention (C, Timeval_Unit);
-
- type Timeval is record
- Tv_Sec : Timeval_Unit;
- Tv_Usec : Timeval_Unit;
- end record;
- pragma Convention (C, Timeval);
-
- type Timeval_Access is access all Timeval;
- pragma Convention (C, Timeval_Access);
-
- Immediat : constant Timeval := (0, 0);
-
- type Int_Access is access all C.int;
- pragma Convention (C, Int_Access);
- -- Access to C integers
-
- type Chars_Ptr_Array is array (C.size_t range <>) of
- aliased C.Strings.chars_ptr;
-
- package Chars_Ptr_Pointers is
- new C.Pointers (C.size_t, C.Strings.chars_ptr, Chars_Ptr_Array,
- C.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 (C.size_t range <>)
- of aliased In_Addr_Access;
- pragma Convention (C, In_Addr_Access_Array);
- package In_Addr_Access_Pointers is
- new C.Pointers (C.size_t, 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 := Constants.AF_INET;
- 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 Hostent is record
- H_Name : C.Strings.chars_ptr;
- H_Aliases : Chars_Ptr_Pointers.Pointer;
- H_Addrtype : C.short;
- H_Length : C.short;
- 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 Two_Int is array (0 .. 1) of C.int;
- pragma Convention (C, Two_Int);
- -- Used with pipe()
-
- 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;
-
- function C_Close
- (Fd : C.int)
- return C.int;
-
- function C_Connect
- (S : C.int;
- Name : System.Address;
- Namelen : C.int)
- return C.int;
-
- function C_Gethostbyaddr
- (Addr : System.Address;
- Length : C.int;
- Typ : C.int)
- return Hostent_Access;
-
- function C_Gethostbyname
- (Name : C.char_array)
- return Hostent_Access;
-
- 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_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 : System.Address;
- Optlen : access C.int)
- return C.int;
-
- function C_Inet_Addr
- (Cp : C.Strings.chars_ptr)
- return C.int;
-
- function C_Ioctl
- (S : C.int;
- Req : C.int;
- Arg : Int_Access)
- return C.int;
-
- function C_Listen
- (S, Backlog : C.int)
- return C.int;
-
- function C_Read
- (Fildes : C.int;
- Buf : System.Address;
- Nbyte : C.int)
- return C.int;
-
- function C_Recv
- (S : C.int;
- Buf : System.Address;
- Len : C.int;
- Flags : C.int)
- return C.int;
-
- function C_Recvfrom
- (S : C.int;
- Buf : System.Address;
- Len : C.int;
- Flags : C.int;
- From : Sockaddr_In_Access;
- Fromlen : access C.int)
- return C.int;
-
- function C_Select
- (Nfds : C.int;
- Readfds : Fd_Set_Access;
- Writefds : Fd_Set_Access;
- Exceptfds : Fd_Set_Access;
- Timeout : Timeval_Access)
- return C.int;
-
- function C_Send
- (S : C.int;
- Buf : System.Address;
- Len : C.int;
- Flags : C.int)
- return C.int;
-
- function C_Sendto
- (S : C.int;
- Msg : System.Address;
- Len : C.int;
- Flags : C.int;
- To : Sockaddr_In_Access;
- Tolen : C.int)
- return C.int;
-
- function C_Setsockopt
- (S : C.int;
- Level : C.int;
- Optname : C.int;
- Optval : System.Address;
- Optlen : C.int)
- return C.int;
-
- function C_Shutdown
- (S : C.int;
- How : C.int)
- return C.int;
-
- function C_Socket
- (Domain : C.int;
- Typ : C.int;
- Protocol : C.int)
- return C.int;
-
- function C_Strerror
- (Errnum : C.int)
- return C.Strings.chars_ptr;
-
- function C_System
- (Command : System.Address)
- return C.int;
-
- function C_Write
- (Fildes : C.int;
- Buf : System.Address;
- Nbyte : C.int)
- return C.int;
-
- function WSAStartup
- (WS_Version : Interfaces.C.int;
- WSADataAddress : System.Address)
- return Interfaces.C.int;
-
- procedure WSACleanup;
-
- procedure Clear (Item : in out Fd_Set; Socket : in C.int);
- procedure Empty (Item : in out Fd_Set);
- function Is_Empty (Item : Fd_Set) return Boolean;
- function Is_Set (Item : Fd_Set; Socket : C.int) return Boolean;
- function Max (Item : Fd_Set) return C.int;
- procedure Set (Item : in out Fd_Set; Socket : in C.int);
-
- procedure Finalize;
- procedure Initialize (Process_Blocking_IO : Boolean := False);
-
-private
-
- pragma Import (Stdcall, C_Accept, "accept");
- pragma Import (Stdcall, C_Bind, "bind");
- pragma Import (Stdcall, C_Close, "closesocket");
- pragma Import (Stdcall, C_Connect, "connect");
- pragma Import (Stdcall, C_Gethostbyaddr, "gethostbyaddr");
- pragma Import (Stdcall, C_Gethostbyname, "gethostbyname");
- pragma Import (Stdcall, C_Gethostname, "gethostname");
- pragma Import (Stdcall, C_Getpeername, "getpeername");
- pragma Import (Stdcall, C_Getsockname, "getsockname");
- pragma Import (Stdcall, C_Getsockopt, "getsockopt");
- pragma Import (Stdcall, C_Inet_Addr, "inet_addr");
- pragma Import (Stdcall, C_Ioctl, "ioctlsocket");
- pragma Import (Stdcall, C_Listen, "listen");
- pragma Import (C, C_Read, "_read");
- pragma Import (Stdcall, C_Recv, "recv");
- pragma Import (Stdcall, C_Recvfrom, "recvfrom");
- pragma Import (Stdcall, C_Select, "select");
- pragma Import (Stdcall, C_Send, "send");
- pragma Import (Stdcall, C_Sendto, "sendto");
- pragma Import (Stdcall, C_Setsockopt, "setsockopt");
- pragma Import (Stdcall, C_Shutdown, "shutdown");
- pragma Import (Stdcall, C_Socket, "socket");
- pragma Import (C, C_Strerror, "strerror");
- pragma Import (C, C_System, "_system");
- pragma Import (C, C_Write, "_write");
- pragma Import (Stdcall, Socket_Errno, "WSAGetLastError");
- pragma Import (Stdcall, WSAStartup, "WSAStartup");
- pragma Import (Stdcall, WSACleanup, "WSACleanup");
-
-end GNAT.Sockets.Thin;
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