config store & event loop with reconn

src/utils.rs

@@ -0,0 +1,16 @@
+use std::error::Error;
+
+pub trait LogError {
+    fn log_error<S : AsRef<str>>(self, msg: S);
+}
+
+impl<V, E : Error> LogError for Result<V, E> {
+    fn log_error<S : AsRef<str>>(self, msg: S) {
+        match self {
+            Ok(_) => {}
+            Err(e) => {
+               error!("{}: {}", msg.as_ref(), e);
+            }
+        }
+    }
+}