DEVELOPMENT ENVIRONMENT

~liljamo/emerwen

e47b0684e6fbd303bcb645047a3d3b781579d9f6 — Jonni Liljamo 15 days ago
feat: initial
A  => .cargo/config.toml +3 -0
@@ 1,3 @@
[target.x86_64-unknown-linux-gnu]
linker = "clang"
rustflags = ["-C", "link-arg=-fuse-ld=mold"]

A  => .envrc +1 -0
@@ 1,1 @@
use_flake

A  => .gitignore +3 -0
@@ 1,3 @@
/.direnv/
/target/
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A  => Cargo.lock +691 -0
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
dependencies = [
 "windows_aarch64_gnullvm",
 "windows_aarch64_msvc",
 "windows_i686_gnu",
 "windows_i686_gnullvm",
 "windows_i686_msvc",
 "windows_x86_64_gnu",
 "windows_x86_64_gnullvm",
 "windows_x86_64_msvc",
]

[[package]]
name = "windows_aarch64_gnullvm"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"

[[package]]
name = "windows_aarch64_msvc"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"

[[package]]
name = "windows_i686_gnu"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"

[[package]]
name = "windows_i686_gnullvm"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"

[[package]]
name = "windows_i686_msvc"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"

[[package]]
name = "windows_x86_64_gnu"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"

[[package]]
name = "windows_x86_64_gnullvm"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"

[[package]]
name = "windows_x86_64_msvc"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"

A  => Cargo.toml +11 -0
@@ 1,11 @@
[workspace]
resolver = "2"
members = ["emerwen-master", "emerwen-worker"]

[workspace.package]
authors = ["Jonni Liljamo <jonni@liljamo.com"]
edition = "2021"
homepage = "https://liljamo.dev/emerwen"
license = "GPL-3.0-or-later"
publish = false
repository = "https://git.src.quest/~liljamo/emerwen"

A  => README.md +15 -0
@@ 1,15 @@
# emerwen

## Handle?
    * Bad data in TCP stream? What would this do?

## Future
    * TLS for Master->Worker connection
        * https://github.com/rustls/tokio-rustls
    * Graceful shutdown for Workers when SIGINT is received
        * Send Master(s) a message that you're exiting, and wait for Master(s)
          to end the connection
        * Once no connections are active, exit with 0
    * Master should notify if a Worker becomes unreachable
        * Without sending the message described above "graceful shutdown"


A  => emerwen-master/Cargo.toml +15 -0
@@ 1,15 @@
[package]
name = "emerwen-master"
version = "0.1.0"
authors.workspace = true
edition.workspace = true
homepage.workspace = true
license.workspace = true
publish.workspace = true
repository.workspace = true

[dependencies]
clap = { version = "4", features = ["derive"] }
tokio = { version = "1", features = ["full"] }
tracing = "0.1"
tracing-subscriber = { version = "0.3", features = ["env-filter"] }

A  => emerwen-master/src/main.rs +38 -0
@@ 1,38 @@
use clap::Parser;
use tracing::{debug, info, level_filters::LevelFilter};
use tracing_subscriber::{prelude::*, EnvFilter};

#[derive(Parser)]
#[command(version)]
struct Args {
    /// Enable debug logging
    #[arg(long)]
    debug: bool,
}

#[tokio::main]
async fn main() {
    let args = Args::parse();

    tracing_subscriber::registry()
        .with(
            tracing_subscriber::fmt::layer()
                .with_file(args.debug)
                .with_line_number(args.debug)
                .with_level(true),
        )
        .with(
            EnvFilter::builder()
                .with_default_directive(if args.debug {
                    LevelFilter::DEBUG.into()
                } else {
                    LevelFilter::INFO.into()
                })
                .from_env_lossy(),
        )
        .init();

    info!("Starting emerwen master...");

    debug!("Hello, debug!");
}

A  => emerwen-worker/Cargo.toml +15 -0
@@ 1,15 @@
[package]
name = "emerwen-worker"
version = "0.1.0"
authors.workspace = true
edition.workspace = true
homepage.workspace = true
license.workspace = true
publish.workspace = true
repository.workspace = true

[dependencies]
clap = { version = "4", features = ["derive"] }
tokio = { version = "1", features = ["full"] }
tracing = "0.1"
tracing-subscriber = { version = "0.3", features = ["env-filter"] }

A  => emerwen-worker/src/main.rs +38 -0
@@ 1,38 @@
use clap::Parser;
use tracing::{debug, info, level_filters::LevelFilter};
use tracing_subscriber::{prelude::*, EnvFilter};

#[derive(Parser)]
#[command(version)]
struct Args {
    /// Enable debug logging
    #[arg(long)]
    debug: bool,
}

#[tokio::main]
async fn main() {
    let args = Args::parse();

    tracing_subscriber::registry()
        .with(
            tracing_subscriber::fmt::layer()
                .with_file(args.debug)
                .with_line_number(args.debug)
                .with_level(true),
        )
        .with(
            EnvFilter::builder()
                .with_default_directive(if args.debug {
                    LevelFilter::DEBUG.into()
                } else {
                    LevelFilter::INFO.into()
                })
                .from_env_lossy(),
        )
        .init();

    info!("Starting emerwen worker...");

    debug!("Hello, debug!");
}

A  => flake.lock +146 -0
@@ 1,146 @@
{
  "nodes": {
    "flake-compat": {
      "flake": false,
      "locked": {
        "lastModified": 1696426674,
        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
        "owner": "edolstra",
        "repo": "flake-compat",
        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
        "type": "github"
      },
      "original": {
        "owner": "edolstra",
        "repo": "flake-compat",
        "type": "github"
      }
    },
    "flake-parts": {
      "inputs": {
        "nixpkgs-lib": [
          "nixpkgs"
        ]
      },
      "locked": {
        "lastModified": 1730504689,
        "narHash": "sha256-hgmguH29K2fvs9szpq2r3pz2/8cJd2LPS+b4tfNFCwE=",
        "owner": "hercules-ci",
        "repo": "flake-parts",
        "rev": "506278e768c2a08bec68eb62932193e341f55c90",
        "type": "github"
      },
      "original": {
        "owner": "hercules-ci",
        "repo": "flake-parts",
        "type": "github"
      }
    },
    "gitignore": {
      "inputs": {
        "nixpkgs": [
          "pre-commit-hooks",
          "nixpkgs"
        ]
      },
      "locked": {
        "lastModified": 1709087332,
        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
        "owner": "hercules-ci",
        "repo": "gitignore.nix",
        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
        "type": "github"
      },
      "original": {
        "owner": "hercules-ci",
        "repo": "gitignore.nix",
        "type": "github"
      }
    },
    "nixpkgs": {
      "locked": {
        "lastModified": 1730831018,
        "narHash": "sha256-2S0HwIFRxYp+afuoFORcZA9TjryAf512GmE0MTfEOPU=",
        "owner": "nixos",
        "repo": "nixpkgs",
        "rev": "8c4dc69b9732f6bbe826b5fbb32184987520ff26",
        "type": "github"
      },
      "original": {
        "owner": "nixos",
        "ref": "nixpkgs-unstable",
        "repo": "nixpkgs",
        "type": "github"
      }
    },
    "nixpkgs-stable": {
      "locked": {
        "lastModified": 1730741070,
        "narHash": "sha256-edm8WG19kWozJ/GqyYx2VjW99EdhjKwbY3ZwdlPAAlo=",
        "owner": "NixOS",
        "repo": "nixpkgs",
        "rev": "d063c1dd113c91ab27959ba540c0d9753409edf3",
        "type": "github"
      },
      "original": {
        "owner": "NixOS",
        "ref": "nixos-24.05",
        "repo": "nixpkgs",
        "type": "github"
      }
    },
    "pre-commit-hooks": {
      "inputs": {
        "flake-compat": "flake-compat",
        "gitignore": "gitignore",
        "nixpkgs": [
          "nixpkgs"
        ],
        "nixpkgs-stable": "nixpkgs-stable"
      },
      "locked": {
        "lastModified": 1730814269,
        "narHash": "sha256-fWPHyhYE6xvMI1eGY3pwBTq85wcy1YXqdzTZF+06nOg=",
        "owner": "cachix",
        "repo": "git-hooks.nix",
        "rev": "d70155fdc00df4628446352fc58adc640cd705c2",
        "type": "github"
      },
      "original": {
        "owner": "cachix",
        "repo": "git-hooks.nix",
        "type": "github"
      }
    },
    "root": {
      "inputs": {
        "flake-parts": "flake-parts",
        "nixpkgs": "nixpkgs",
        "pre-commit-hooks": "pre-commit-hooks",
        "rust-overlay": "rust-overlay"
      }
    },
    "rust-overlay": {
      "inputs": {
        "nixpkgs": [
          "nixpkgs"
        ]
      },
      "locked": {
        "lastModified": 1730946479,
        "narHash": "sha256-AxGJ3BRc44o3RBcfXxZqjVYftVtJ2sl+/WEjiLUmXRY=",
        "owner": "oxalica",
        "repo": "rust-overlay",
        "rev": "7fba269fe89ffad47206e0afba233d337c04cf08",
        "type": "github"
      },
      "original": {
        "owner": "oxalica",
        "repo": "rust-overlay",
        "type": "github"
      }
    }
  },
  "root": "root",
  "version": 7
}

A  => flake.nix +107 -0
@@ 1,107 @@
{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
    flake-parts = {
      url = "github:hercules-ci/flake-parts";
      inputs.nixpkgs-lib.follows = "nixpkgs";
    };

    pre-commit-hooks = {
      url = "github:cachix/git-hooks.nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = inputs @ {
    self,
    nixpkgs,
    flake-parts,
    pre-commit-hooks,
    rust-overlay,
    ...
  }:
    flake-parts.lib.mkFlake {inherit inputs;} {
      systems = ["x86_64-linux"];
      perSystem = {
        config,
        lib,
        pkgs,
        system,
        ...
      }: let
        toolchain = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
        libs = with pkgs; [
          openssl
        ];
      in {
        _module.args.pkgs = import inputs.nixpkgs {
          inherit system;
          overlays = [inputs.rust-overlay.overlays.default];
        };

        checks.pre-commit-check = pre-commit-hooks.lib.${system}.run {
          src = ./.;
          hooks = {
            # Nix formatting
            alejandra.enable = true;

            # Toml formatting
            taplo.enable = true;

            # Rust formatting and linting
            rustfmt = {
              enable = true;
              packageOverrides = {
                cargo = toolchain;
                rustfmt = toolchain;
              };
            };
            clippy = {
              enable = true;
              packageOverrides = {
                cargo = toolchain;
                clippy = toolchain;
              };
              settings = {
                denyWarnings = true;
              };
            };

            # Spell checking
            typos.enable = true;
          };
        };

        devShells.default = pkgs.mkShell {
          buildInputs = with pkgs;
            [
              mold

              clang
              pkg-config

              just

              #cargo-leptos

              #tailwindcss
              #tailwindcss-language-server
            ]
            ++ libs
            ++ [
              toolchain
              self.checks.${system}.pre-commit-check.enabledPackages
            ];
          LD_LIBRARY_PATH = lib.makeLibraryPath libs;
          shellHook = ''
            ${self.checks.${system}.pre-commit-check.shellHook}
          '';
        };
      };
    };
}

A  => justfile +11 -0
@@ 1,11 @@
_default:
    just --list

master *ARGS:
    cargo run --bin emerwen-master -- {{ARGS}}

worker *ARGS:
    cargo run --bin emerwen-worker -- {{ARGS}}

test-protocol:
    cargo test --package emerwen-protocol

A  => rust-toolchain.toml +3 -0
@@ 1,3 @@
[toolchain]
channel = "1.82.0"
targets = ["wasm32-unknown-unknown"]