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spec/scansion/http_upload.scs @ 13186:affaf6d08d26
util.datamanager: Pad list writes to avoid crossing block boundaries
By padding items so that they do not cross block boundaries, it becomes
eaiser to delete whole blocks with fallocate() without cutting items
in half, improving efficiency of such operations.
Since list stores are used for message archives, where the most common
deletion operation would be of the oldest entires, at the top of the
file. With this, all blocks that contain items to be removed could be
deleted without needing to read, delete and write out the whole file.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Wed, 07 Jun 2023 00:39:30 +0200 |
parent | 11360:f36a2e54ac81 |
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# XEP-0363 HTTP Upload with mod_http_file_share [Client] Romeo password: password jid: filesharingenthusiast@localhost/krxLaE3s ----- Romeo connects Romeo sends: <iq to='upload.localhost' type='get' id='932c02fe-4461-4ad4-9c85-54863294b4dc' xml:lang='en'> <request content-type='text/plain' filename='verysmall.dat' xmlns='urn:xmpp:http:upload:0' size='5'/> </iq> Romeo receives: <iq id='932c02fe-4461-4ad4-9c85-54863294b4dc' from='upload.localhost' type='result'> <slot xmlns='urn:xmpp:http:upload:0'> <get url='{scansion:any}'/> <put url='{scansion:any}'> <header name='Authorization'></header> </put> </slot> </iq> Romeo sends: <iq to='upload.localhost' type='get' id='46ca64f3-518e-42bd-8e2f-4ab2f6d2224f' xml:lang='en'> <request content-type='text/plain' filename='toolarge.dat' xmlns='urn:xmpp:http:upload:0' size='10000000000'/> </iq> Romeo receives: <iq id='46ca64f3-518e-42bd-8e2f-4ab2f6d2224f' from='upload.localhost' type='error'> <error type='modify'> <not-acceptable xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/> <text xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'>File too large</text> <file-too-large xmlns='urn:xmpp:http:upload:0'> <max-file-size>10000000</max-file-size> </file-too-large> </error> </iq> Romeo sends: <iq to='upload.localhost' type='get' id='497c20dd-dda2-4feb-8199-7086e203de46' xml:lang='en'> <request content-type='text/plain' filename='negative.dat' xmlns='urn:xmpp:http:upload:0' size='-1000'/> </iq> Romeo receives: <iq id='497c20dd-dda2-4feb-8199-7086e203de46' from='upload.localhost' type='error'> <error type='modify'> <bad-request xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/> <text xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'>File size must be positive integer</text> </error> </iq> Romeo sends: <iq to='upload.localhost' type='get' id='ac56d83f-a627-4732-8399-60492d1210b6' xml:lang='en'> <request content-type='text/plain' filename='invalid/filename.dat' xmlns='urn:xmpp:http:upload:0' size='1000'/> </iq> Romeo receives: <iq id='ac56d83f-a627-4732-8399-60492d1210b6' from='upload.localhost' type='error'> <error type='modify'> <bad-request xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/> <text xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'>Invalid filename</text> </error> </iq> Romeo sends: <iq to='upload.localhost' type='get' id='1401d3b5-7973-486f-85b3-3e63d13c7f0e' xml:lang='en'> <request content-type='application/x-executable' filename='evil.exe' xmlns='urn:xmpp:http:upload:0' size='1000'/> </iq> Romeo receives: <iq id='1401d3b5-7973-486f-85b3-3e63d13c7f0e' from='upload.localhost' type='error'> <error type='modify'> <not-acceptable xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/> <text xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'>File type not allowed</text> </error> </iq> Romeo disconnects # recording ended on 2021-01-27T22:10:46Z