If you wish to make your tools use the ObjectDB, here's a quick guide about how to download it from your code. There are two possible methods.

1. Raw download
Download from https://kuribo64.net/whitehole/objectdb.php. This gives you the XML file.

2. Clever download
This is the technique used by Whitehole. For this, you download from https://kuribo64.net/whitehole/objectdb.php?whitehole&ts=<timestamp>.

<timestamp> should be set to the timestamp of the local file if it exists ('timestamp' attribute of the root 'database' element), otherwise zero. If the latest ObjectDB edit is less recent than the provided timestamp, the server will return the string 'noupdate'. Otherwise it will return a CRC32 of the XML file, followed by a '|' character and the XML file itself. The CRC32 can be used to check that the received data is valid.

If you add &gzip to your URL, the data past the CRC will be compressed using gzip (and the CRC will be on the compressed data).


In both methods, the server sends Content-length headers that you can use to determine the length of the data to download.


Have fun

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NSMBHD - Kafuka - Jul
melonDS the most fruity DS emulator there is

zafkflzdasd

Well basically the ObjectDB download script used to support that, until Dirbaio came up with these very arguments.

Supporting it on the server side is really easy. It's just matter of only selecting the objects that were edited past the local timestamp.

Supporting it on the client side, however, gets tricky. Instead of just being able to copy the received data right into the new file, you have to parse it and merge the XML tree with the existing one. Nothing impossible, it's just uh, trickier.

As for the 'corrupt database stays corrupt' part, there can be an option to redownload the whole database...

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NSMBHD - Kafuka - Jul
melonDS the most fruity DS emulator there is

zafkflzdasd

>which probably won't happen

Not everyone has tons of money and an uberfast connection. Here, a full ObjectDB download takes around 10s (the file is 791KB). Yes, it is done in the background, but hey, it still takes a while...

____________________
NSMBHD - Kafuka - Jul
melonDS the most fruity DS emulator there is

zafkflzdasd

Compression is an interesting idea. I'll look into it

____________________
NSMBHD - Kafuka - Jul
melonDS the most fruity DS emulator there is

zafkflzdasd