split bank ad socket server up

socket-server/src/commands/create_account.rs

@@ -0,0 +1,28 @@
+use std::io::Write;
+use std::net::TcpStream;
+use std::sync::{Arc, RwLock};
+
+use anyhow::Result;
+
+use bank::bank::Bank;
+
+use crate::commands::Command;
+use crate::protocol;
+
+pub struct CreateAccount;
+
+impl Command for CreateAccount {
+    fn execute(&self, bank: Arc<RwLock<Bank>>, data: &[u8], mut stream: &TcpStream) -> Result<usize> {
+        debug!("owner nr bytes {:?}", data);
+
+        let owner = String::from_utf8_lossy(data);
+        info!("creating new account with owner {}...", owner);
+
+        let mut bank = bank.write().unwrap();
+        let nr = bank.create_account(owner.into());
+        info!("created account {}", nr);
+
+        let written = stream.write(&protocol::account_nr(&nr))?;
+        Ok(written)
+    }
+}