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xml-sax-input_sources-streams-tls_sockets.adb
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------------------------------------------------------------------------------
-- --
-- AXMPP Project --
-- --
-- XMPP Library for Ada --
-- --
------------------------------------------------------------------------------
-- --
-- Copyright © 2011, Alexander Basov <[email protected]> --
-- All rights reserved. --
-- --
-- Redistribution and use in source and binary forms, with or without --
-- modification, are permitted provided that the following conditions --
-- are met: --
-- --
-- * Redistributions of source code must retain the above copyright --
-- notice, this list of conditions and the following disclaimer. --
-- --
-- * Redistributions in binary form must reproduce the above copyright --
-- notice, this list of conditions and the following disclaimer in the --
-- documentation and/or other materials provided with the distribution. --
-- --
-- * Neither the name of the Alexander Basov, IE nor the names of its --
-- contributors may be used to endorse or promote products derived from --
-- this software without specific prior written permission. --
-- --
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS --
-- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT --
-- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR --
-- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT --
-- HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, --
-- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED --
-- TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR --
-- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF --
-- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING --
-- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS --
-- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. --
-- --
------------------------------------------------------------------------------
-- $Revision$ $Date$
------------------------------------------------------------------------------
with Ada.Characters.Conversions;
with Ada.Text_IO;
with XMPP.Logger;
package body XML.SAX.Input_Sources.Streams.TLS_Sockets is
------------
-- Read --
------------
overriding procedure Read
(Self : in out TLS_Socket_Input_Source;
Buffer : out Ada.Streams.Stream_Element_Array;
Last : out Ada.Streams.Stream_Element_Offset;
End_Of_Data : out Boolean) is
X : GNAT.Sockets.Request_Type (GNAT.Sockets.N_Bytes_To_Read);
begin
-- Getting how much data available in Socket
GNAT.Sockets.Control_Socket (Self.Socket, X);
if X.Size > 0 then
case Self.TLS_State is
when Handshake =>
Last := Buffer'First - 1;
begin
GNUTLS.Handshake (Self.TLS_Session);
Self.TLS_State := TLS;
XMPP.Logger.Log ("Handshake complete");
Self.Object.On_Connect;
exception
when others =>
XMPP.Logger.Log
(Ada.Characters.Conversions.To_Wide_Wide_String
(GNUTLS.IO_Direction'Image
(GNUTLS.Get_Direction (Self.TLS_Session))));
end;
when TLS =>
declare
E : constant GNAT.Sockets.Vector_Element :=
(Base => Buffer (Buffer'First)'Unchecked_Access,
Length => Buffer'Length);
Length : Ada.Streams.Stream_Element_Offset;
Vector : GNAT.Sockets.Vector_Type (0 .. 0);
begin
Vector (0) := E;
GNUTLS.Record_Recv (Self.TLS_Session, Vector, Length);
Last := Buffer'First + Length - 1;
XMPP.Logger.Log ("=================================");
-- Log
-- ("Data of"
-- & Ada.Streams.Stream_Element_Offset'Image (Buffer'First)
-- & " .."
-- & Ada.Streams.Stream_Element_Offset'Image (Last)
-- & " received from GNUTLS.Record_Recv");
XMPP.Logger.Log ("Recieved from GNUTLS.Record_Recv : ");
if XMPP.Logger.Is_Debug_Output_Enabled then
for J in Buffer'First .. Last loop
Ada.Text_IO.Put (Character'Val (Buffer (J)));
end loop;
end if;
XMPP.Logger.Log ("");
XMPP.Logger.Log ("=================================");
end;
end case;
else
Last := Buffer'First - 1;
end if;
End_Of_Data := False;
end Read;
-----------------------
-- Start_Handshake --
-----------------------
procedure Start_Handshake
(Self : in out TLS_Socket_Input_Source;
Socket : GNAT.Sockets.Socket_Type;
Session : GNUTLS.Session) is
begin
Self.TLS_State := Handshake;
Self.TLS_Session := Session;
Self.Socket := Socket;
GNUTLS.Handshake (Self.TLS_Session);
Self.TLS_State := TLS;
Self.Object.On_Connect;
exception
when others =>
XMPP.Logger.Log
(Ada.Characters.Conversions.To_Wide_Wide_String
(GNUTLS.IO_Direction'Image
(GNUTLS.Get_Direction (Self.TLS_Session))));
end Start_Handshake;
end XML.SAX.Input_Sources.Streams.TLS_Sockets;