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## Why Exec-server websocket handling had separate reader and writer tasks for the same socket. That made websocket control-frame handling asymmetric: the task reading frames could observe `Ping`, but the task allowed to write frames was elsewhere. This PR moves each physical websocket onto one always-running pump so the socket owner can handle application frames and websocket control frames together. ## What changed - Refactored direct exec-server websocket connections in `connection.rs` to use one task that owns the websocket for outbound JSON-RPC, inbound JSON-RPC, periodic keepalive pings, and `Ping` -> `Pong` replies. - Refactored relay websocket handling in `relay.rs` the same way for both the harness-side logical connection and the multiplexed executor physical socket. - Preserved the existing keepalive ownership policy: outbound direct websocket clients still send periodic pings, inbound Axum accepts only reply with pongs, and relay physical websocket endpoints keep their existing periodic pings. - Added focused websocket pump tests for ping/pong, binary JSON-RPC, relay data, malformed relay text frames, and close/disconnect behavior. - Reconnect behavior is intentionally left for a follow-up. ## Validation - Devbox Bazel focused unit target: - `//codex-rs/exec-server:exec-server-unit-tests --test_filter='websocket_connection_|harness_connection_|multiplexed_executor_'`
npm i -g @openai/codex
or brew install --cask codex
Codex CLI is a coding agent from OpenAI that runs locally on your computer.
If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE.
If you want the desktop app experience, run
codex app or visit the Codex App page.
If you are looking for the cloud-based agent from OpenAI, Codex Web, go to chatgpt.com/codex.
Quickstart
Installing and running Codex CLI
Install globally with your preferred package manager:
# Install using npm
npm install -g @openai/codex
# Install using Homebrew
brew install --cask codex
Then simply run codex to get started.
You can also go to the latest GitHub Release and download the appropriate binary for your platform.
Each GitHub Release contains many executables, but in practice, you likely want one of these:
- macOS
- Apple Silicon/arm64:
codex-aarch64-apple-darwin.tar.gz - x86_64 (older Mac hardware):
codex-x86_64-apple-darwin.tar.gz
- Apple Silicon/arm64:
- Linux
- x86_64:
codex-x86_64-unknown-linux-musl.tar.gz - arm64:
codex-aarch64-unknown-linux-musl.tar.gz
- x86_64:
Each archive contains a single entry with the platform baked into the name (e.g., codex-x86_64-unknown-linux-musl), so you likely want to rename it to codex after extracting it.
Using Codex with your ChatGPT plan
Run codex and select Sign in with ChatGPT. We recommend signing into your ChatGPT account to use Codex as part of your Plus, Pro, Business, Edu, or Enterprise plan. Learn more about what's included in your ChatGPT plan.
You can also use Codex with an API key, but this requires additional setup.
Docs
This repository is licensed under the Apache-2.0 License.