Add the protocol-comparison module

protocol-comparison/src/main/java/com/ankurm/protocols/WebSocketConfig.java

@@ -0,0 +1,27 @@
+package com.ankurm.protocols;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.socket.config.annotation.EnableWebSocket;
+import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
+import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
+
+/**
+ * {@code @EnableWebSocket}, not {@code @EnableWebSocketMessageBroker}: this module wants the raw
+ * transport, with no broker in the path, so the benchmark measures a socket rather than a routing
+ * layer. The {@code sse-websocket} module in this repository is the STOMP version.
+ */
+@Configuration
+@EnableWebSocket
+public class WebSocketConfig implements WebSocketConfigurer {
+
+    private final WebSocketQuoteHandler handler;
+
+    WebSocketConfig(WebSocketQuoteHandler handler) {
+        this.handler = handler;
+    }
+
+    @Override
+    public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
+        registry.addHandler(handler, "/quotes").setAllowedOriginPatterns("*");
+    }
+}