Hello.
The subject of this thread is probably somewhat weird at first but let me
explain.
Let's say that I'm receiving data from the network and need to store it in
a buffer. I need to store it until enough data has been collected, where
what is considered "enough" is impossible to know beforehand. It is only
possible to know by examining the data as it is received.
Right now I'm using NSMutableData. It's a quite nifty class where I can
easily append data in the end as it arrives.
Once enough data has arrived it is used by the program and is then no
longer needed. What I want to know is what would be the best practice in
order to save memory by removing just the data that is no longer needed. So
far I have three alternatives.
1. Instead of a single NSMutableData object store each chunk using
NSMutableArray and remove them one by one as they are no longer needed.
2. Use a single NSMutableData object. Once enough data has arrived copy the
data that may have been appended later to a new NSMutableData object and
release the first object.
3. Use a single NSMutableData object. Once enough data has arrived move the
data that may have been appended later to the beginning and adjust the
capacity.
Any opinions on which one to use or ideas on even better ones?
Marcus
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