Modified websocket example to automatically retrieve server's hostname.

2 files changed, 7 insertions, 2 deletions

diff --git a/examples/websocket/example_ws.cpp b/examples/websocket/example_ws.cpp
index ec3603c..e3c1b85 100644
--- a/examples/websocket/example_ws.cpp
+++ b/examples/websocket/example_ws.cpp
@@ -33,8 +33,13 @@ int main()
 
     CROW_ROUTE(app, "/")
     ([]{
+	char name[256];
+	gethostname(name, 256);
+	crow::mustache::context x;
+	x["servername"] = name;
+	
         auto page = crow::mustache::load("ws.html");
-        return page.render();
+        return page.render(x);
      });
 
     app.port(40080)
diff --git a/examples/websocket/templates/ws.html b/examples/websocket/templates/ws.html
index f6e7281..5200b8b 100644
--- a/examples/websocket/templates/ws.html
+++ b/examples/websocket/templates/ws.html
@@ -11,7 +11,7 @@
     <textarea id="log" cols=100 rows=50>
     </textarea>
     <script>
-var sock = new WebSocket("ws://i.ipkn.me:40080/ws");
+var sock = new WebSocket("ws://{{servername}}:40080/ws");
 sock.onopen = ()=>{
     console.log('open')
 }