improve new game form

server/src/instance.rs

@@ -60,7 +60,7 @@ impl Instance {
             phase: InstancePhase::Lobby,
             open: true,
             max_players: 2,
-            max_rounds: 16,
+            max_rounds: 2,
             name: String::new(),
             password: None,
             phase_end: Utc::now(),

server/src/net.rs

@@ -9,6 +9,8 @@ use serde_cbor::{to_vec};
 use std::env;
 use std::thread::{spawn, sleep};
 use std::time::Duration;
+use std::any::Any;
+use std::panic;
 
 use r2d2::{Pool};
 use r2d2::{PooledConnection};
@@ -59,7 +61,29 @@ pub fn db_connection(url: String) -> Pool<PostgresConnectionManager> {
         .expect("Failed to create pool.")
 }
 
+fn print_panic_payload(ctx: &str, payload: &(Any + Send + 'static)) {
+    let d = format!("{:?}", payload);
+    let s = if let Some(s) = payload.downcast_ref::<String>() {
+        &s
+    } else if let Some(s) = payload.downcast_ref::<&str>() {
+        s
+    } else {
+        // "PAYLOAD IS NOT A STRING"
+        d.as_str()
+    };
+    println!("{}: PANIC OCCURRED: {}", ctx, s);
+}
+
 pub fn start() {
+    panic::set_hook(Box::new(|panic_info| {
+        print_panic_payload("set_hook", panic_info.payload());
+        if let Some(location) = panic_info.location() {
+            println!("LOCATION: {}:{}", location.file(), location.line());
+        } else {
+            println!("NO LOCATION INFORMATION");
+        }
+    }));
+
     let database_url = env::var("DATABASE_URL")
         .expect("DATABASE_URL must be set");