cis-kuldeep/PyBitmessage-2021-04-27
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Reference client for Bitmessage: a P2P encrypted decentralised communication protocol
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Peter Surda 0c9cb4824d
Memory leak (kind of) fix 
- objectsKnownToThem is supposed to track if it's necessary to send inv
  commands to a peer
- it is supposed to enter garbage collection after 1 hour
  (ObjectTracker.trackingExpires)
- due to peer not announcing all objects, or announcing them before we
  announce, this contains excessive number of entries after connection
  is fully established.
- profiling revealed that this creates unnecessary memory to be kept
  allocated
- this patch will prevent tracking of entries sent during bigInv,
  reducing the memory "leak"
- it is possible, in theory, that this does have some negative effect,
  like increased bandwidth or neglecting to announce some invs. It
  probably doesn't though as my review of objectsKnownToThem occurrences
  didn't reveal any such case, and since the dict didn't track fully
  accurately anyway (so it would have already been broken if it was a
  problem), I consider it an acceptable risk at the moment. If it indeed
  causes problems, they can be solved separately
- I tested this on one of the bootstrap servers with little memory, and
  it increased the number of connections than can be handled by a factor
  of about 3.5
2018-04-01 11:39:02 +02:00
build Compiletest for non-Windows systems 2017-01-11 14:21:53 +01:00
desktop Slightly redrawn the scalable icon 2017-10-19 21:17:30 +03:00
dev Change main thread name to PyBitmessage 2017-09-21 17:51:34 +02:00
man Packaging for multiple distros 2013-07-12 10:36:28 +01:00
packages Merge branch '1159' into upstream-v0.6 2018-03-20 06:49:42 +01:00
src Memory leak (kind of) fix 2018-04-01 11:39:02 +02:00
.gitignore Total setup.py cleanup and simple script installation 2017-02-28 15:51:49 +02:00
checkdeps.py checkdeps OS version handler fix 2017-10-21 21:55:12 +02:00
configure Packaging for multiple distros 2013-07-12 10:36:28 +01:00
COPYING Copyright year updates 2016-05-02 15:00:26 +02:00
INSTALL.md Fixed INSTALL.md markdown. 2017-05-10 11:51:00 +02:00
LICENSE Update LICENSE 2018-03-14 14:05:56 +00:00
MANIFEST.in Total setup.py cleanup and simple script installation 2017-02-28 15:51:49 +02:00
PULL_REQUEST_TEMPLATE.md Added pull request template 2017-09-10 15:40:01 +03:00
README.md shorten sentence , offer beamstat link 2018-03-23 04:51:50 +01:00
setup.py Properly renamed qrcode plugin module and made menu available 2018-03-13 13:46:47 +02:00

README.md

PyBitmessage

Bitmessage is a P2P communication protocol used to send encrypted messages to another person or to many subscribers. It is decentralized and trustless, meaning that you need-not inherently trust any entities like root certificate authorities. It uses strong authentication, which means that the sender of a message cannot be spoofed. BM aims to hide metadata from passive eavesdroppers like those ongoing warrantless wiretapping programs. Hence the sender and receiver of Bitmessages stay anonymous.

Development

Bitmessage is a collaborative project. You are welcome to submit pull requests although if you plan to put a non-trivial amount of work into coding new features, it is recommended that you first solicit feedback on the DevTalk pseudo-mailing list: BM-2D9QKN4teYRvoq2fyzpiftPh9WP9qggtzh

Feel welcome to join chan "bitmessage", BM-2cWy7cvHoq3f1rYMerRJp8PT653jjSuEdY which is on preview here: http://beamstat.com/chan/bitmessage

References