/usr/share/ada/adainclude/anet/anet-sockets-netlink.ads is in libanet0.3.1-dev 0.3.1-1ubuntu1.
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-- Copyright (C) 2012 secunet Security Networks AG
-- Copyright (C) 2012 Reto Buerki <reet@codelabs.ch>
-- Copyright (C) 2012 Adrian-Ken Rueegsegger <ken@codelabs.ch>
--
-- This program is free software; you can redistribute it and/or modify it
-- under the terms of the GNU General Public License as published by the
-- Free Software Foundation; either version 2 of the License, or (at your
-- option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
--
-- 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. See the GNU General Public License
-- for more details.
--
-- 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.
--
package Anet.Sockets.Netlink is
subtype Netlink_Addr_Type is Natural;
-- Netlink address.
type Protocol_Type is
(Proto_Netlink_Route,
Proto_Netlink_Firewall,
Proto_Netlink_Inet_Diag,
Proto_Netlink_Nflog,
Proto_Netlink_Xfrm,
Proto_Netlink_Selinux,
Proto_Netlink_Audit,
Proto_Netlink_Netfilter,
Proto_Netlink_Crypto);
-- Netlink protocols.
type Group_Type is
(Group_Xfrm_None,
Group_Xfrm_Acquire,
Group_Xfrm_Expire,
Group_Xfrm_Sa,
Group_Xfrm_Policy,
Group_Xfrm_Aevents,
Group_Xfrm_Report,
Group_Xfrm_Migrate,
Group_Xfrm_Mapping);
-- Supported Netlink multicast groups.
type Group_Array is array (Positive range <>) of Group_Type;
-- Array of Netlink multicast groups.
No_Groups : constant Group_Array;
type Netlink_Socket_Type is abstract new Socket_Type with private;
-- Netlink socket.
procedure Bind
(Socket : in out Netlink_Socket_Type;
Address : Netlink_Addr_Type;
Groups : Group_Array := No_Groups);
-- Bind given Netlink socket to the specified Netlink address (which is
-- normally the pid of the application) and optional Netlink multicast
-- groups (requires root permissions).
procedure Send
(Socket : Netlink_Socket_Type;
Item : Ada.Streams.Stream_Element_Array;
To : Netlink_Addr_Type);
-- Send data over a Netlink socket to the given Netlink address.
procedure Receive
(Socket : Netlink_Socket_Type;
Src : out Netlink_Addr_Type;
Item : out Ada.Streams.Stream_Element_Array;
Last : out Ada.Streams.Stream_Element_Offset);
-- Receive data from given Netlink socket. Last is the index value which
-- designates the last stream element in data. The source Netlink address
-- specifies the sender of the Netlink message.
type Raw_Socket_Type is new Netlink_Socket_Type
and Dgram_Socket_Type with private;
-- Raw/Netlink socket. It extends the datagram socket type because (1)
-- Netlink is a datagram-oriented service and (2) because it also behaves
-- like a datagram socket from an interface perspective. This allows to use
-- the Raw/Netlink socket with a datagram receiver instance.
procedure Init
(Socket : in out Raw_Socket_Type;
Protocol : Protocol_Type);
-- Initialize Raw/Netlink socket using the specified protocol.
private
No_Groups : constant Group_Array (1 .. 1) := (1 => Group_Xfrm_None);
type Netlink_Socket_Type is abstract new Socket_Type with null record;
type Raw_Socket_Type is new Netlink_Socket_Type
and Dgram_Socket_Type with null record;
end Anet.Sockets.Netlink;
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