- in corner cases, download request could have contained an incorrect
request length. I haven't actually checked if this can be triggered
though
- wait for downloading until anti intersection delay expires. Doesn't
necessarily mean that it will always avoid peer's anti intersection
delay, but it's close enough
- tracks last time an object was received. If it was too long time ago,
reset the download request queue. This avoid situations like when a
request gets ignored during the anti intersection delay, but it will
keep thinking there are still pending requests as long as not all
missing objects have been requested. This caused staggered download
(request 1000 items, wait 1 minute, request 1000 more, wait another
minute, ...)
- with these fixes, you should end up downloading as fast as your
network and CPU allow
- best tested with trustedpeer
- dandelion fixes
- try to wait as long as possible before expiration if there are no
outbound connections
- expire in invThread rather than singleCleaner thread
- deduplication of code in inv and dinv command methods
- turn on by default, seems to work correctly now
- turn off dandelion if outbound connections are disabled
- start tracking downloads earlier, and faster download loop
- remove some obsolete lines
- minor PEP8 updates
- get rid of per-connection writeQueue/receiveQueue, and instead use
strings and locking
- minor code cleanup
- all state handlers now should set expectBytes
- almost all data processing happens in ReceiveDataThread, and
AsyncoreThread is almost only I/O (plus TLS). AsyncoreThread simply
puts the connection object into the queue when it has some data for
processing
- allow poll, epoll and kqueue handlers. kqueue is untested and
unoptimised, poll and epoll seem to work ok (linux)
- stack depth threshold handler in decode_payload_content, this is
recursive and I think was causing occasional RuntimeErrors. Fixes#964
- longer asyncore loops, as now data is handled in ReceiveDataThread
- randomise node order when deciding what to download. Should prevent
retries being stuck to the same node
- socks cleanup (socks5 works ok, socks4a untested but should work too)
- now tracks downloads globally too, so it doesn't request the same
object from multiple peers at the same time
- retries at the earliest every minute
- stops trying to download an object after an hour
- minor fixes in retrying downloading invalid objects
- should prevent the same object being re-requested indefinitely
- locking for object tracking
- move SSL-specific error handling to TLSDispatcher
- observe maximum connection limit when accepting a new connection
- stack depth test (for debugging purposes)
- separate download thread
- connection pool init moved to main thread
