shadow
simuwaerm
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| shadow | simuwaerm | |
|---|---|---|
| 11 | 3 | |
| 1,348 | 25 | |
| 1.0% | - | |
| 9.8 | 2.7 | |
| 18 days ago | over 1 year ago | |
| Rust | Rust | |
| GNU General Public License v3.0 or later | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
shadow
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Turmoil, a framework for developing and testing distributed systems
Cool, will be interested to see how this develops! tokio's loom framework has been a big help in testing some tricky concurrency code I've worked on.
Folks interested in this space might also be interested in the system I spend most of my time working on: Shadow. It also performs deterministic simulation of a network of hosts, but it intercepts network and system interactions at the syscall level via seccomp. As such it can work with binaries compiled from ~any language, usually without any code modification or special compilation. https://shadow.github.io/
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I reinvented another wheel, linux threads.
Nice writeup! I've also had to dig a bit into this area in my work on shadow.
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Shadow Simulation Developer
It is no longer active. If you are asking about Shadow, check out https://shadow.github.io
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How to avoid bounds checks in Rust (without unsafe!)
I do share this hesitation. I think for simple cases iterators are usually fine, but I've definitely run into cases where an iterator adapter caused unexpected performance problems. e.g. https://github.com/shadow/shadow/pull/2543
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Sending signals to Unix process groups
Yes. Though I'm not sure I see the connection to the OP...?
The example I'm most familiar with, because I work on it, is Shadow. We used ptrace for a bit but now use seccomp.
https://github.com/shadow/shadow/
- Shadow Simulator – run real applications over a simulated Internet topology
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Shadow Simlulator – run real applications over a simulated Internet topology
For anyone interested in following current development on Shadow, we've been publishing a series of updates. Most recent: https://github.com/shadow/shadow/discussions/1274
The previous update has links back to the whole series; I stopped including it in the most-recent update since it was getting a bit cumbersome: https://github.com/shadow/shadow/discussions/1060
simuwaerm
What are some alternatives?
mininet - Emulator for rapid prototyping of Software Defined Networks
autopy - A simple, cross-platform GUI automation module for Python and Rust.
tor - unofficial git repo -- report bugs/issues/pull requests on https://gitlab.torproject.org/ --
enigo - Cross platform input simulation in Rust
shadow-plugin-tor - A Shadow plug-in that runs the Tor anonymity software
abstreet - A traffic simulation game exploring how small changes to roads affect cyclists, transit users, pedestrians, and drivers. [Moved to: https://github.com/a-b-street/abstreet]
rebop - Fast stochastic simulator for chemical reaction networks
abstreet - Transportation planning and traffic simulation software for creating cities friendlier to walking, biking, and public transit
testground - 🧪 A platform for testing, benchmarking, and simulating distributed and p2p systems at scale.
citybound - A work-in-progress, open-source, multi-player city simulation game.
core - Common Open Research Emulator
hash - 🚀 The open-source, self-building database. From @hashintel