Greetings
These days I'm trying to make my own simple MSN. But I got stuck in the command
processing. I hope that someone can help me :-)
Some of commands in MSNP are asynchronous such as MSG and CHL. Your buddies may
always change their online status and presence information. So the application
should keep listenning and receiving commands coming from the server, cache
them, put them in a queue and invoke corresponding functions to handle them.
Here are my questions:
1).
I have read part of Pidgin's source code, but I'm still no so clear about the
implementation of the command processing mechanism. Could anyone tell me how
command processing is implemented in Pidgin?
2).
I plan to employ some multi-threading: one thread keeps listenning to the
incoming commands from the server, put them in a cache, and the other thread
scans the cache and pick out those complete commands and enqueue them. But this
may involve some thread synchronization problems which are a little difficult
and tedious to deal with.
Does anyone have some good ideas?
Thanks a lot :-)
----------------------------------------------------
Jing Peng
Beijing University of Posts and Telecommunications
School of Computer Science and Technology
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