Example usage for org.springframework.web.socket PingMessage PingMessage

Introduction

In this page you can find the example usage for org.springframework.web.socket PingMessage PingMessage.

Prototype

public PingMessage() 

Source Link

Document

Create a new ping message with an empty payload.

Usage

From source file:com.devicehive.websockets.util.SessionMonitor.java

@Scheduled(cron = "0/30 * * * * *")
public synchronized void ping() {
    try {/* ww w .  java2 s  .c  om*/
        for (WebSocketSession session : sessionMap.values()) {
            if (session.isOpen()) {
                logger.debug("Pinging session {}", session.getId());
                session.sendMessage(new PingMessage());
            } else {
                logger.debug("Session {} is closed.", session.getId());
                sessionMap.remove(session.getId());
            }
        }
    } catch (IOException e) {
        logger.error("Exception while ping session");
    }
}

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