Close connections after serving requests if FCGI_KEEP_CONN flag is missing

Author: fbbdev

lib/server.js

@@ -131,9 +131,13 @@ function connectionListener(socket) {
             reason = fcgi.records.EndRequest.protocolStatus.REQUEST_COMPLETE;
         }
 
-        if (!socket.destroyed) {
+        if (socket.writable && !socket.destroyed) {
             stream.writeRecord(
                 id, new fcgi.records.EndRequest(status, reason));
+
+            if (id in requests && !requests[id]._keepAlive) {
+                socket.end();
+            }
         }
 
         delete requests[id];