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#------------------------------------------------------------------------------
# URL: https://de.wikipedia.org/wiki/Aria_(Software)
# Reference: https://github.com/aria2/aria2/blob/master/doc/manual-src/en/technical-notes.rst
# From: Joerg Jenderek
# Note: only version 1 suited
# check for valid version one
0 beshort 0x0001
# skip most uncompressed DEGAS med-res bitmap *.PI2 and GEM bitmap (v1) *.IMG
# by test for valid infoHashCheck extension
>2 ubelong&0xffFFffFE 0x00000000
# skip DEGAS med-res bitmap DIAGRAM1.PI2 by test for valid length of download
>>(6.L+14) ubequad >0
>>>0 use aria
0 name aria
# version; (0x0000) or (0x0001); for 0 all multi-byte are in host byte order. For 1 big endian
>0 beshort x aria2 control file, version %u
#!:mime application/octet-stream
!:mime application/x-aria
!:ext aria2
# EXTension; if EXT[3]&1 == 1 checks whether saved InfoHash and current downloading the same; infoHashCheck extension
>2 ubelong !0 \b, infoHashCheck %#x
# info hash length like: 0 14h
>6 ubelong !0 \b, %#x bytes info hash
# info hash; BitTorrent InfoHash
>>10 ubequad x %#16.16llx...
# piece length; the length of the piece like: 400h 100000h
>(6.L+10) ubelong x \b, piece length 0x%x
# total length; the total length of the download
>(6.L+14) ubequad x \b, total length %llu
#>(6.L+14) ubequad x \b, total length %#llx
# upload length; the uploaded length of download like: 0 400h
>(6.L+22) ubequad !0 \b, upload length %#llx
# bitfield length; the length of bitfield like: 4 6 Ah 10h 13h 167h
>(6.L+30) ubelong x \b, %#x bytes bitfield
# bitfield; bitfield which represents current download progress
>(6.L+34) ubequad !0 %#llx...
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