add basic config file parsing

.gitignore

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+/target

Cargo.toml

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+[package]
+name = "transport-node"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+# Random Number generator
+rand_core = { version = "0.6.4", features = ["getrandom"] }
+
+# Async IO
+tokio = { version = "1.44.2", features = ["full"] }
+tokio-stream = "0.1.17"
+tokio-util = "0.7.15"
+
+# Logging
+log = "0.4.27"
+env_logger = "0.10"
+reticulum = "0.1.0"
+clap = { version = "4.5.53", features = ["derive"] }
+serde = { version = "1.0.228", features = ["derive"] }
+bincode = { version = "2.0.1", features = ["serde"] }
+toml = "0.9.8"

src/main.rs

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+use tokio::fs;
+
+
+use serde::{Serialize, Deserialize};
+use clap::Parser;
+
+#[derive(Serialize, Deserialize, Debug)]
+struct TcpServerConfig {
+    bind_addr: String,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+enum InterfaceConfig {
+    TcpServer(TcpServerConfig)
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+struct Config {
+    interfaces: Vec<InterfaceConfig>,
+}
+
+
+#[derive(Parser)]
+struct Cli {
+    #[arg(short, long)]
+    config_file: String,
+}
+
+#[tokio::main]
+async fn main() {
+    env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("trace")).init();
+
+    log::info!(">>> TRANSPORT NODE <<<");
+
+    let cli = Cli::parse();
+
+    let config: Config = toml::from_str(&fs::read_to_string(cli.config_file).await.unwrap()).unwrap();
+
+    println!("{config:?}");
+
+
+    log::info!("exit");
+}

test_config.toml

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+[[interfaces]]
+
+[interfaces.TcpServer]
+bind_addr = "0.0.0.0:4242"
+