From f343596e1f526c252c0b0b2986222b8afd65dd28 Mon Sep 17 00:00:00 2001
From: Alex van de Sandt <avandesa@purdue.edu>
Date: Fri, 12 Apr 2019 15:40:42 -0400
Subject: [PATCH] Extract writing to client to function

---
 candid_server/src/client_handler.rs | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/candid_server/src/client_handler.rs b/candid_server/src/client_handler.rs
index 5812531..bf4b08f 100644
--- a/candid_server/src/client_handler.rs
+++ b/candid_server/src/client_handler.rs
@@ -22,12 +22,9 @@ pub fn new_client_handler(
             let frame = can_reader.recv().unwrap();
 
             // Relay to the client
-            match connection.write_fmt(format_args!("{:X}\n", frame)) {
-                Ok(_) => {}
-                Err(_) => {
-                    println!("Connection to client {:?} dropped.", ip);
-                    break;
-                }
+            if let Err(_) = write_frame(&mut connection, frame) {
+                println!("Connection to client {:?} dropped.", ip);
+                break;
             }
         }
     });
@@ -64,3 +61,8 @@ pub fn new_client_handler(
 
     (tx_handle, rx_handle)
 }
+
+fn write_frame(connection: &mut TcpStream, frame: CANFrame) -> Result<(), std::io::Error> {
+    connection.write_fmt(format_args!("{:X}\n", frame))?;
+    Ok(())
+}
-- 
2.51.2