/usr/share/ada/adainclude/aws/aws-net-websocket-protocol-rfc6455.ads is in libaws3.3.2.2-dev 17.2.2017-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | ------------------------------------------------------------------------------
-- 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. --
-- --
-- --
-- --
-- --
-- --
-- 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/>. --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
------------------------------------------------------------------------------
-- This implements the WebSocket protocol as defined in RFC-6455
package AWS.Net.WebSocket.Protocol.RFC6455 is
type State is new Protocol.State with private;
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);
-- Send a close frame
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
private
-- Protocol specific status
type Masking_Key is new Stream_Element_Array (0 .. 3);
for Masking_Key'Size use 32;
type Opcode is mod 16;
for Opcode'Size use 4;
type State is new Protocol.State with record
Remaining : Stream_Element_Offset := 0;
Read : Stream_Element_Offset := 0;
Opcd : Opcode := 0;
Has_Mask : Boolean;
Mask : Masking_Key;
Close_Sent : Boolean := False;
Last_Fragment : Boolean := True;
end record;
end AWS.Net.WebSocket.Protocol.RFC6455;
|