Add the service

src/main.rs

@@ -1,14 +1,19 @@
-use clap::Parser;
+use std::process::ExitCode;
 
 mod address;
 mod config;
+mod service;
 
 const COMMENT_CHAR: char = '#';
 const DEFAULT_SEPARATOR: char = '+';
 const KEY_SEPARATOR: char = ':';
 
-fn main() {
-	let cfg = config::Config::parse();
-	println!("{cfg:?}");
-	println!("{:?}", cfg.addresses());
+fn main() -> ExitCode {
+	match service::start_service() {
+		Ok(_) => ExitCode::SUCCESS,
+		Err(e) => {
+			eprintln!("{e}");
+			ExitCode::FAILURE
+		}
+	}
 }

src/service.rs

@@ -0,0 +1,31 @@
+use crate::address::CodedAddress;
+use crate::config::Config;
+use anyhow::Result;
+use clap::Parser;
+use std::io;
+
+pub const BUFF_SIZE: usize = 4096;
+pub const CONFIG_END: &str = "config|ready\n";
+
+pub fn start_service() -> Result<()> {
+	let cfg = Config::parse();
+	let mut buffer = String::with_capacity(BUFF_SIZE);
+	let stdin = io::stdin();
+
+	// Handshake
+	loop {
+		buffer.clear();
+		stdin.read_line(&mut buffer)?;
+		if buffer == CONFIG_END {
+			break;
+		}
+	}
+	println!("register|report|smtp‐in|tx‐rcpt");
+	println!("register|ready");
+
+	// Input processing
+	loop {
+		buffer.clear();
+		stdin.read_line(&mut buffer)?;
+	}
+}