From bba0335bbea81519beafb7fec1979a0abbd8a7ea Mon Sep 17 00:00:00 2001
From: zecke <zecke>
Date: Tue, 01 Oct 2002 14:27:17 +0000
Subject: 5th try

initial checkin of X11 Opie stuff
it features an IPC Server
the client is todo
this will become the OPIE X11 department
including
alternative QPEApplication, QCOP replacement
---
(limited to 'x11/ipc/DESIGN')

diff --git a/x11/ipc/DESIGN b/x11/ipc/DESIGN
new file mode 100644
index 0000000..fbe121b
--- a/dev/null
+++ b/x11/ipc/DESIGN
@@ -0,0 +1,42 @@
+This is the design of our Opie PDA Communication 
+Protocol
+It's main purpose is to be src compatible with QCOP
+from TT and Qtopia. It's main target is to be used 
+as a QCOP replacement for the X11 Windowing System.
+
+We heavily use unix domain sockets for the internal 
+communication.
+We've one socket in $HOME/.opie.cop which is the
+server socket. We will communicate with the use
+of QDataStream and QByteArray.
+Internally QByteArries will be copied from the client
+to the server
+
+A package is looking similiar to this one
+
+int packet_type; // Register, Unregister, Call, Method, Reply, RegisterChannel, UnregisterChannel
+QString channel;
+QString header
+QByteArray packet
+
+Server PART:
+We keep the fds together with a list of Channels
+QMap<QString,QValueList<int>> int is the fd and QString is the channel
+name
+this makes the isRegistered stuff more easy to manage
+
+
+Client:
+RPC is currently not enabled but will be available in future versions
+I do not want to add it otherwise I'll stick too tight
+to this implementation.
+We currently only support send and forget
+isRegistered will be taken care of the client side. We can not
+use the X WindowSystem for that
+
+
+I hope this helps... be sure to look at the code
+I try to comment it
+and now go to the hacking ;)
+
+-zecke 30.09.02
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