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Rust's async/await works by converting async functions into state machines as enums, implementing the Future trait. Each function is repeatedly polled, moving between states until reaching Poll::Ready. Using an example of an async function, we illustrate how state transitions drive asynchronous execution in Rust.
https://eventhelix.com/rust/rust-to-assembly-async-await/
#rustlang #reverseengineeri
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Wireshark shows you every packet. VisualEther shows you the conversation.
It turns a PCAP into a readable sequence diagram — then (right side) an AI agent reads the capture through an MCP server and calls the root cause in plain English, citing frame numbers. Here it flags an RLC poll-retransmission storm: the textbook signature of a lost UE.
Built on tshark, so anything Wireshark decodes works. F
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🚀 Rust Under the Hood hardcover edition is now available! 📚
Dive deep into Rust internals through x86-64 assembly, exploring memory management, compiler optimizations, async state machines, and more.
Get your copy today: https://www.amazon.com/dp/B0DS9M8S13
🔧 Learn how enums, structs, Vtables, SIMD, and async executors work at any level. 🦀💻
#Rust #Programming #RustLang #SystemsProgramming #B
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In 5G the gNB isn't one box: a Central Unit owns RRC/PDCP, a Distributed Unit owns RLC/MAC/PHY, and F1 (F1AP over SCTP) carries the control plane between them.
One UE's entire registration — RRC + NAS relayed across the CU/DU split — read frame by frame from an OCUDU (srsRAN) capture: 32 frames, F1 Setup through two ordered security layers and the data radio bearer to teardown.
Decoded and diagram
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🔥 Top post: Rust's async/await works by converting async functions into stat · 8 likes + reposts
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Rust's async/await works by converting async functions into state machines as enums, implementing the Future trait. Each function is repeatedly polled, moving between states until reaching Poll::Ready. Using an example of an async function, we illustrate how state transitions dr…
In 5G the gNB isn't one box: a Central Unit owns RRC/PDCP, a Distributed Unit owns RLC/MAC/PHY, and F1 (F1AP over SCTP) carries the control plane between them.
One UE's entire registration — RRC + NAS relayed across the CU/DU split — read …
A UE suspended to RRC_INACTIVE resumes at a different cell. The new gNB has never seen it, so it reads the I-RNTI from the resume request, finds the anchor gNB holding the context, and pulls it over Xn.
Five XnAP frames, read one at a time…
What does a 5G connection look like, one packet at a time?
One Motorola Edge 30 Pro capture — 69 frames, ~5.5 s — walked as a sequence diagram across the full NR lifecycle: RACH (Msg3 → Msg4 → Msg5) → security (NEA0/NIA2) → registration → …
Wireshark shows you every packet. VisualEther shows you the conversation.
It turns a PCAP into a readable sequence diagram — then (right side) an AI agent reads the capture through an MCP server and calls the root cause in plain English, c…
Understand the generated assembly when a Rust vector is mapped to a vector of string slices.
https://www.eventhelix.com/rust/rust-to-assembly-mapping-to-str-slice-vector/
#RustLang #Programming #AssemblyLanguage
🚀 Rust Under the Hood hardcover edition is now available! 📚
Dive deep into Rust internals through x86-64 assembly, exploring memory management, compiler optimizations, async state machines, and more.
Get your copy today: https://www.amaz…
🔧 Curious about how Rust handles async tasks? This article explains how tasks are scheduled and executed using an event loop. You'll learn how async/await integrates with the executor and see a step-by-step breakdown of processing tasks.
E…
How does Rust handle nested async/await and infinite loops in async functions?
• Each async function generates a state machine with a state variable and a closure environment.
• Outer async functions include inner closure environments
• In…
Dig into the inner workings of Rust closures by comparing the assembly code generated for closures returned as impl Fn versus Box<dyn Fn>.
https://eventhelix.com/rust/rust-to-assembly-return-impl-fn-vs-dyn-fn/
#rustlang #AssemblyLanguage …
This article examines how Rust can optimize tail-call recursive functions by mapping them to loops. We also see how Rust eliminates the need for an enum discriminator when it can be inferred from the context.
https://www.eventhelix.com/ru…
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