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Adrian Duke a294e05730 radicle-node: Prevent infinite connection loop on instant dial failure
When a connection drops and the node attempts to reconnect within the
same second, the `last_attempt` timestamp written to the database is
identitcal to the `last_success` timestamp due to the Unix time (seconds)
precision loss.

The `maintain_connections` logic filters eligible peers using the
condition `last_success >= last_attempt`. Because the truncated
timestamps are equal, this evaluates to true, causing the node to
bypass the `CONNECTION_RETRY_DELTA` backoff.

If the OS instantly rejects the dial attempt (e.g. `EHOSTUNREACH`),
the node synchronously queues another connection attempt. This traps
the reactor in an infinite `while` loop.

Changing the condition to `last_success > last_attempt` ensures that a
failed attempt in the same second correctly evaluates to false, forcing
the node to respect the backoff timer and breaking the loop.
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README.md

❤️🪵

Radicle Heartwood Protocol & Stack

Heartwood is the third iteration of the Radicle Protocol, a powerful peer-to-peer code collaboration and publishing stack. The repository contains a full implementation of Heartwood, complete with a user-friendly command-line interface (rad) and network daemon (radicle-node).

Radicle was designed to be a secure, decentralized and powerful alternative to code forges such as GitHub and GitLab that preserves user sovereignty and freedom.

See the Radicle home page for general information, and the Zulip chat to talk to the project.

See the Protocol Guide for an in-depth description of how Radicle works.

Installation

Requirements

  • Linux or Unix based operating system.
  • Git 2.34 or later
  • OpenSSH 9.1 or later with ssh-agent

📀 From binaries

Requires curl and tar.

Run the following command to install the latest binary release:

curl -sSf https://radicle.dev/install | sh

Or visit our download page.

📦 From source

Requires the Rust toolchain.

You can install the Radicle stack from source, by running the following commands from inside this repository:

cargo install --path crates/radicle-cli --force --locked --root ~/.radicle
cargo install --path crates/radicle-node --force --locked --root ~/.radicle
cargo install --path crates/radicle-remote-helper --force --locked --root ~/.radicle

Or directly from our seed node:

cargo install --force --locked --root ~/.radicle \
    --git https://seed.radicle.dev/z3gqcJUoA1n9HaHKufZs5FCSGazv5.git \
    crates/radicle-cli crates/radicle-node crates/radicle-remote-helper

Running

Systemd unit files are provided for the node under the /systemd folder. They can be used as a starting point for further customization.

For running in debug mode, see HACKING.md.

Feedback

If you have feedback, feel free to create issues using rad issue, join our Zulip, or email feedback@radicle.dev. Emails sent to this address are automatically posted to our public #feedback channel on Zulip, revealing the From header (which usually contains your name and email address). This allows us to discuss your feedback on Zulip, and, if necessary, respond to you via email.

Contributing

See CONTRIBUTING.md and HACKING.md for an introduction to contributing to Radicle.

License

Radicle is distributed under the terms of both the MIT license and the Apache License (Version 2.0).

See LICENSE-APACHE and LICENSE-MIT for details.