File : adagio-g2-chat_peer.ads
------------------------------------------------------------------------------
-- ADAGIO - ADALID - AENEA. --
-- --
-- Copyright (C) 2003 --
-- A. Mosteo. --
-- --
-- Authors: A. Mosteo. (adagio@mosteo.com) --
-- --
-- If you have any questions in regard to this software, please address --
-- them to the above email. --
-- --
-- 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. --
-- --
-- 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. --
-- --
-- You should have received a copy of the GNU General Public License --
-- along with this library; if not, write to the Free Software Foundation, --
-- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. --
-- --
-- You are not allowed to use any part of this code to develop a program --
-- whose output would be used to harass or prosecute other users of the --
-- networks Adagio connects with. All data collected with Adagio or a tool --
-- containing Adagio code about other network users must remain --
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-- harass or legally prosecute these users. --
------------------------------------------------------------------------------
-- $Id: adagio-g2-chat_peer.ads,v 1.4 2004/03/10 23:49:59 Jano Exp $
with Adagio.Chronos;
with Adagio.Connect.Peer;
with Adagio.G2.Packet;
with Adagio.G2.Packet.Parsing;
with Adagio.Http.Header;
with Adagio.Http.Header.Parser;
with Adagio.Socket;
package Adagio.G2.Chat_peer is
------------------------------------------------------------------------
-- Exceptions --
------------------------------------------------------------------------
Unknown_protocol : exception; -- If text/plain isn't accepted.
------------------------------------------------------------------------
-- Object --
------------------------------------------------------------------------
type Object is new Connect.Peer.Object with private;
type Object_access is access all Object;
------------------------------------------------------------------------
-- Create --
------------------------------------------------------------------------
-- Creation takes a connected socket and a header object with the
-- request already read, so our response is due.
-- May raise exception if some problems arise.
function Create (From : in Socket.Object; Request : in Http.Header.Set)
return Object_access;
------------------------------------------------------------------------
-- Id --
------------------------------------------------------------------------
-- Unique id
-- It's CHAT/address:port, since only a chat is allowed per host
function Id (This : in Object) return String;
------------------------------------------------------------------------
-- Process --
------------------------------------------------------------------------
-- Its chance to do something.
procedure Process (
This : in out Object;
Context : in out Connect.Peer.Context_type);
------------------------------------------------------------------------
-- Finalize --
------------------------------------------------------------------------
-- Release all resources.
procedure Finalize (This : in out Object);
------------------------------------------------------------------------
-- Handshake --
------------------------------------------------------------------------
-- Do the handshaking
procedure Handshake (
This : in out Object;
Context : in out Connect.Peer.Context_type);
------------------------------------------------------------------------
-- Reject --
------------------------------------------------------------------------
-- Do the rejections
procedure Reject (
This : in out Object;
Context : in out Connect.Peer.Context_type);
------------------------------------------------------------------------
-- Do_timeout --
------------------------------------------------------------------------
-- Send a timeout message.
procedure Do_timeout (
This : in out Object;
Context : in out Connect.Peer.Context_type);
------------------------------------------------------------------------
-- Do_chat --
------------------------------------------------------------------------
-- Normal chat workings
procedure Do_chat (
This : in out Object;
Context : in out Connect.Peer.Context_type);
------------------------------------------------------------------------
-- Send_phrase --
------------------------------------------------------------------------
-- Send a text
-- If success is false then the link is saturated; retry later.
procedure Send_phrase (
This : in out Object;
Text : in String;
Success : out Boolean);
------------------------------------------------------------------------
-- Receive_phrase --
------------------------------------------------------------------------
-- Receives a phrase
-- Will return Last = 0 if nothing read.
-- It returns complete lines, will not break them.
procedure Read_phrase (
This : in out Object;
Text : out String;
Last : out Natural);
------------------------------------------------------------------------
-- Send_packet --
------------------------------------------------------------------------
-- Tries to send a packet
procedure Send_packet (
This : in out Object;
Packet : in G2.Packet.Object;
Success : out Boolean);
private
Chat_content_type : constant String := "application/x-gnutella2";
type Status_type is (Handshaking, Rejecting, Connected, Timeouting);
type Handshaking_stages is (One, Two, Three, Four);
type Object is new Connect.Peer.Object with record
Socket : Adagio.Socket.Object;
Link : Adagio.Socket.Stream_access;
Last_reply : Chronos.Object; -- For timeouts;
Status : Status_type := Handshaking;
Nick : Ustring;
Guid : String (1 .. 16);
Incoming : G2.Packet.Parsing.Object;
Reply_sent : Boolean := false; -- Have we sent the auto reply?
Handshake_stage : Handshaking_stages := Two;
Headers : Http.Header.Parser.Object (1024);
Uproc_sent : Boolean := false;
Uproc_rcv : Boolean := false;
Uprod_sent : Boolean := false;
Uprod_rcv : Boolean := false;
Chatreq_sent : Boolean := false;
Chatreq_rcv : Boolean := false;
Chatans_sent : Boolean := false;
end record;
end Adagio.G2.Chat_peer;