main: fix handling of incomplete data received (#55)

Reviewed-on: M-Labs/thermostat#55
Co-Authored-By: topquark12 <aw@m-labs.hk>
Co-Committed-By: topquark12 <aw@m-labs.hk>

pytec/autotune.py

@@ -243,11 +243,8 @@ def main():
                         lookback, noiseband, ch['interval'])
 
     for data in tec.report_mode():
-        try:
-            ch = data[channel]
-        # Workaround for report_mode may yeild empty object
-        except KeyError:
-            continue
+
+        ch = data[channel]
 
         temperature = ch['temperature']
 

src/main.rs

@@ -213,9 +213,11 @@ fn main() -> ! {
                             socket.close()
                         } else if socket.can_send() && socket.can_recv() {
                             match socket.recv(|buf| session.feed(buf)) {
-                                Ok(SessionInput::Nothing) => {
-                                    send_line(&mut socket, b"{}");
-                                }
+                                // SessionInput::Nothing happens when the line reader parses a string of characters that is not
+                                // followed by a newline character. Could be due to partial commands not terminated with newline,
+                                // socket RX ring buffer wraps around, or when the command is sent as seperate TCP packets etc.
+                                // Do nothing and feed more data to the line reader in the next loop cycle.
+                                Ok(SessionInput::Nothing) => {}
                                 Ok(SessionInput::Command(command)) => match command {
                                     Command::Quit =>
                                         socket.close(),