http service: add endpoint for websocket session count

http-service/src/main/java/net/runelite/http/service/session/SessionController.java

@@ -27,6 +27,7 @@ package net.runelite.http.service.session;
 import java.time.Instant;
 import java.util.UUID;
 import javax.servlet.http.HttpServletRequest;
+import net.runelite.http.service.ws.SessionManager;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.DeleteMapping;
@@ -97,4 +98,10 @@ public class SessionController
 	{
 		return sessionService.getCount();
 	}
+
+	@RequestMapping("/wscount")
+	public int wscount()
+	{
+		return SessionManager.getCount();
+	}
 }

http-service/src/main/java/net/runelite/http/service/ws/SessionManager.java

@@ -59,4 +59,9 @@ public class SessionManager
 	{
 		return sessions.get(uuid);
 	}
+
+	public static int getCount()
+	{
+		return sessions.size();
+	}
 }