Implement config handling

res/lazymc.toml

@@ -33,6 +33,10 @@ directory = "."
 # Warning: if using a bash script read: https://git.io/JMIKH
 command = "java -Xmx1G -Xms1G -jar server.jar --nogui"
 
+# Freeze the server process instead of restarting it when no players online, making it start up faster.
+# Only works on Unix (Linux or MacOS)
+#freeze_process = true
+
 # Immediately wake server when starting lazymc.
 #wake_on_start = false
 

src/server.rs

@@ -217,10 +217,11 @@ impl Server {
             None => info!(target: "lazymc", "Starting server..."),
         }
 
-        // TODO add config option for this
+        if config.server.freeze_process {
             if let Some(pid) = *server.pid.lock().await {
                 return os::unfreeze(pid);
             }
+        }
 
         // Spawn server in new task
         Self::spawn_server_task(config, server);
@@ -590,32 +591,30 @@ async fn stop_server_signal(config: &Config, server: &Server) -> bool {
         }
     };
 
-    // Send kill signal
+    if config.server.freeze_process {
-    // TODO uncomment this and add a config option
-    /*if !crate::os::kill_gracefully(pid) {
-        error!(target: "lazymc", "Failed to send stop signal to server process");
-        return false;
-    }*/
         if !os::freeze(pid) {
             error!(target: "lazymc", "Failed to send freeze signal to server process.");
         }
 
-    // Update from starting/started to stopping
-
-    /* TODO uncomment this and add a config option
-    server
-        .update_state_from(Some(State::Starting), State::Stopping, config)
-        .await;
-    server
-        .update_state_from(Some(State::Started), State::Stopping, config)
-        .await;
-    */
         server
             .update_state_from(Some(State::Starting), State::Stopped, config)
             .await;
         server
             .update_state_from(Some(State::Started), State::Stopped, config)
             .await;
+    } else {
+        if !crate::os::kill_gracefully(pid) {
+            error!(target: "lazymc", "Failed to send stop signal to server process");
+            return false;
+        }
+
+        server
+            .update_state_from(Some(State::Starting), State::Stopping, config)
+            .await;
+        server
+            .update_state_from(Some(State::Started), State::Stopping, config)
+            .await;
+    }
 
     true
 }