[grid] Add BiDi endpoint to returned caps if available

Author: pujagani

java/src/org/openqa/selenium/grid/node/config/DriverServiceSessionFactory.java

@@ -49,6 +49,7 @@
 import org.openqa.selenium.remote.tracing.Tracer;
 
 import java.net.URI;
+import java.net.URISyntaxException;
 import java.net.URL;
 import java.time.Duration;
 import java.time.Instant;
@@ -165,6 +166,7 @@ public Either<WebDriverException, ActiveSession> apply(CreateSessionRequest sess
         }
 
         caps = readDevToolsEndpointAndVersion(caps);
+        caps = readBiDiEndpoint(caps);
         caps = readVncEndpoint(capabilities, caps);
 
         span.addEvent("Driver service created session", attributeMap);
@@ -254,6 +256,28 @@ public DevToolsInfo(URI cdpEndpoint, String version) {
     return caps;
   }
 
+  private Capabilities readBiDiEndpoint(Capabilities caps) {
+
+    Optional<String> webSocketUrl =
+      Optional.ofNullable((String) caps.getCapability("webSocketUrl"));
+
+    Optional<URI> websocketUri = webSocketUrl.map(uri -> {
+      try {
+        return new URI(uri);
+      } catch (URISyntaxException e) {
+        LOG.warning(e.getMessage());
+      }
+      return null;
+    });
+
+    if (websocketUri.isPresent()) {
+      return new PersistentCapabilities(caps)
+        .setCapability("se:bidi", websocketUri.get());
+    }
+
+    return caps;
+  }
+
   private Capabilities readVncEndpoint(Capabilities requestedCaps, Capabilities returnedCaps) {
     String seVncEnabledCap = "se:vncEnabled";
     String seNoVncPortCap = "se:noVncPort";