Use streaming socket interface within accountant

Pull messages from streamer process them and forward them to the sender.

src/bin/testnode.rs

@@ -4,6 +4,7 @@ extern crate silk;
 use silk::accountant_skel::AccountantSkel;
 use silk::accountant::Accountant;
 use std::io::{self, BufRead};
+use std::sync::{Arc, Mutex};
 
 fn main() {
     let addr = "127.0.0.1:8000";
@@ -13,7 +14,8 @@ fn main() {
         .lines()
         .map(|line| serde_json::from_str(&line.unwrap()).unwrap());
     let acc = Accountant::new_from_entries(entries, Some(1000));
-    let mut skel = AccountantSkel::new(acc);
+    let exit = Arc::new(Mutex::new(false));
+    let skel = Arc::new(Mutex::new(AccountantSkel::new(acc)));
     eprintln!("Listening on {}", addr);
-    skel.serve(addr).unwrap();
+    let _threads = AccountantSkel::serve(skel, addr, exit.clone()).unwrap();
 }