Add common handle_events code to the Game class

[empires-server] / game.js

diff --git a/game.js b/game.js
index f99ff234fa24c64aa9b9b362a6ad7c475902d5fb..20cd2411e2275ff8aef51e1c35a3772931815b6b 100644 (file)
--- a/game.js
+++ b/game.js
@@ -33,6 +33,24 @@ class Game {
     this.broadcast_string(`event: ${type}\ndata: ${data}\n`);
   }
 
+  handle_events(request, response) {
+    /* These headers will keep the connection open so we can stream events. */
+    const headers = {
+      "Content-type": "text/event-stream",
+      "Connection": "keep-alive",
+      "Cache-Control": "no-cache"
+    };
+    response.writeHead(200, headers);
+
+    /* Add this new client to our list of clients. */
+    const id = this.add_client(response);
+
+    /* And queue up cleanup to be triggered on client close. */
+    request.on('close', () => {
+      this.remove_client(id);
+    });
+  }
+
 }
 
 module.exports = Game;