{"title":"SpringBoot WebSocket 接口 10 万连接多线程消息发送压测","description":"本文介绍如何使用 Spring Boot 对 WebSocket 接口进行 10 万连接的压测,使用多线程模拟并发连接,并发送消息。示例代码包含连接建立、消息发送、性能调优和资源管理等方面。","keywords":"SpringBoot, WebSocket, 压测, 多线程, 并发连接, 消息发送, 性能优化, 资源管理","content":"要对 Spring Boot 的 WebSocket 接口进行 10 万连接的压测,可以使用多线程来模拟并发连接,并发送消息。\n\n以下是一个简单的示例代码,可以作为参考:\n\njava\nimport org.springframework.boot.SpringApplication;\nimport org.springframework.boot.autoconfigure.SpringBootApplication;\nimport org.springframework.context.annotation.Bean;\nimport org.springframework.web.socket.TextMessage;\nimport org.springframework.web.socket.WebSocketSession;\nimport org.springframework.web.socket.client.standard.StandardWebSocketClient;\nimport org.springframework.web.socket.config.annotation.EnableWebSocket;\nimport org.springframework.web.socket.config.annotation.WebSocketConfigurer;\nimport org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;\nimport org.springframework.web.socket.handler.TextWebSocketHandler;\nimport org.springframework.web.socket.server.standard.ServerEndpointExporter;\n\nimport java.io.IOException;\nimport java.util.concurrent.CountDownLatch;\n\n@SpringBootApplication\n@EnableWebSocket\npublic class WebSocketLoadTester implements WebSocketConfigurer {\n\n public static void main(String[] args) {\n SpringApplication.run(WebSocketLoadTester.class, args);\n }\n\n @Bean\n public ServerEndpointExporter serverEndpointExporter() {\n return new ServerEndpointExporter();\n }\n\n @Override\n public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {\n registry.addHandler(new LoadTestWebSocketHandler(), "/ws")\n .setAllowedOrigins("*");\n }\n\n private static class LoadTestWebSocketHandler extends TextWebSocketHandler {\n private static final int TOTAL_CONNECTIONS = 100000;\n private static final String MESSAGE = "Hello, WebSocket!";\n\n private final CountDownLatch latch = new CountDownLatch(TOTAL_CONNECTIONS);\n\n @Override\n public void afterConnectionEstablished(WebSocketSession session) throws Exception {\n super.afterConnectionEstablished(session);\n latch.countDown();\n }\n\n public void sendMessage() {\n try {\n latch.await(); // 等待所有连接建立完成\n StandardWebSocketClient client = new StandardWebSocketClient();\n for (int i = 0; i < TOTAL_CONNECTIONS; i++) {\n client.doHandshake(this, "ws://localhost:8080/ws").get();\n }\n } catch (Exception e) {\n e.printStackTrace();\n }\n }\n\n @Override\n protected void handleTextMessage(WebSocketSession session, TextMessage message) throws IOException {\n session.sendMessage(new TextMessage(MESSAGE));\n }\n }\n}\n\n\n在上面的代码中,LoadTestWebSocketHandler是处理 WebSocket 消息的处理器。通过 CountDownLatch 来等待所有连接建立完成,然后使用 StandardWebSocketClient 创建 10 万个 WebSocket 连接,并发送消息。\n\n在 LoadTestWebSocketHandlerhandleTextMessage 方法中,我们可以设置发送的消息内容。\n\n最后,在 main 方法中,使用 SpringApplication.run 启动 Spring Boot 应用,并在 LoadTestWebSocketHandler 中调用 sendMessage 方法来开始压测。\n\n请注意,这只是一个简单的示例,并没有考虑性能优化和资源管理等方面。在实际的生产环境中,需要根据实际情况进行性能调优和资源管理。"}

SpringBoot WebSocket 接口 10 万连接多线程消息发送压测

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