Removed a thread to simplify

src/main.rs

@@ -2,7 +2,6 @@ use rumqttc::{MqttOptions, Client, QoS, LastWill};
 use bytes::Bytes;
 use std::time::Duration;
 use std::thread;
-use std::sync::mpsc;
 use std::collections::hash_map::HashMap;
 use prost::Message;
 use std::io::Cursor;
@@ -156,7 +155,6 @@ struct Match {
 }
 
 struct TMClient {
-    notices: mpsc::Sender<tm::Notice>,
 }
 
 struct BackendMessage {
@@ -164,18 +162,13 @@ struct BackendMessage {
 }
 
 impl TMClient {
-    fn new() -> (TMClient, mpsc::Receiver<tm::Notice>) {
-        let (tx, rx) = mpsc::channel();
-        (TMClient {
-            notices: tx,
-        }, rx)
+    fn new() -> TMClient {
+        TMClient {
         }
-
-    fn process(self: &TMClient) {
-        match self.notices.send(tm::Notice::default()) {
-            Ok(_) => println!("Received notice"),
-            Err(error) => println!("Recv error {}", error),
     }
+
+    fn process(self: &TMClient) -> Option<tm::Notice> {
+        Some(tm::Notice::default())
     }
 
     // TODO: make send functionality
@@ -282,11 +275,6 @@ fn on_match_list_update(notice: tm::Notice, event: Event) -> (Vec<MQTTMessage>,
     return (Vec::new(), event);
 }
 
-fn get_next_notice() -> tm::Notice {
-    thread::sleep(Duration::from_millis(1000));
-    return tm::Notice::default();
-}
-
 fn main() {
     let mut event = Event{
         name: String::from(""),
@@ -326,16 +314,12 @@ fn main() {
     );
 
     let running = true;
-    let (tm_client, tm_notices) = TMClient::new(); 
-    let tm_thread = thread::spawn(move ||
-        while running {
-            tm_client.process();
-        }
-    );
+    let tm_client = TMClient::new(); 
 
+    // Run the callback loop in the main thread
     while running {
-        match tm_notices.recv() {
-            Ok(notice) => {
+        match tm_client.process() {
+            Some(notice) => {
                 let callback = callbacks.get(&notice.id());
                 match callback {
                     None => {
@@ -357,11 +341,10 @@ fn main() {
                     },
                 }
             },
-            Err(error) => println!("Notice recv error: {}", error),
+            None => {},
         }
 
     }
 
     mqtt_recv_thread.join().expect("Failed to join mqtt thread");
-    tm_thread.join().expect("Failed to join tm connection thread");
 }