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-- Ada Web Server --
-- --
-- Copyright (C) 2012-2014, AdaCore --
-- --
-- This library 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 3, or (at your option) any --
-- later version. This library 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. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are --
-- granted additional permissions described in the GCC Runtime Library --
-- Exception, version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- 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. --
------------------------------------------------------------------------------
-- This implements the WebSocket protocol as defined in Draft-76
-- http://tools.ietf.org/html/draft-hixie-thewebsocketprotocol-76
package AWS.Net.WebSocket.Protocol.Draft76 is
type State is new Protocol.State with null record;
overriding procedure Send
(Protocol : in out State;
Socket : Object;
Data : Stream_Element_Array);
-- Encode and send data to the WebSocket
overriding procedure Send
(Protocol : in out State;
Socket : Object;
Data : Unbounded_String);
-- Same as above but for an Unbounded_String. This version supports large
-- messages possibly sent fragmented.
overriding procedure Close
(Protocol : in out State;
Socket : Object;
Data : String;
Error : Status_Code) is null;
-- Send a close frame, this is not implemented on this protocol
overriding procedure Receive
(Protocol : in out State;
Socket : Object;
Data : out Stream_Element_Array;
Last : out Stream_Element_Offset);
-- Receive and decode WebSocket data
overriding function End_Of_Message (Protocol : State) return Boolean;
-- Returns True if we have read a whole message
procedure Send_Header
(Sock : Net.Socket_Type'Class; Request : AWS.Status.Data);
-- Send specific header for this protocol
end AWS.Net.WebSocket.Protocol.Draft76;
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