I've been playing with a server app that listens for connections on a
port by setting up an NSFileHandle with a
NSFileHandleConnectionAcceptedNotification notification. It's all nice
and tidy with Cocoa. What I run into is a growing pool footprint.
MallocDebug tells me that none of my objects are leaking but the
footprint grows because I haven't found the right way to manage the
pool.
I run into trouble, I think, because the notification that a
connection has arrived causes some new objects to be allocated, used
and then released but this happens asynchronously. Some objects hang
around for follow up connections and are released later. These
objects, I think, never get drained.
For a server process this is not acceptable because it slowly uses up
app the system memory.
I'm looking for a strategy that will allow me to set up a pool I can
periodically drain in an asynchronously driven system. I tried to set
up pool in my controller object's init method, that starts listening,
and drain it when the connection closes but that doesn't seem to work.
I'd like some advice to reorganize my project to keep the pool for
growing out of control.
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