var totalTime = 0;
var unsubscribedForTime = 0;
var subscribedForTime = 0;
var subscribed = false;
var SWITCH_SUBSCRIPTION_TIME = 10;
Script.update.connect(function (deltaTime) {
    var channel = "example";
    totalTime += deltaTime;
    if (!subscribed) {
        unsubscribedForTime += deltaTime;
    } else {
        subscribedForTime += deltaTime;
    }

    if (totalTime > 5) {

        // if we've been unsubscribed for SWITCH_SUBSCRIPTION_TIME seconds, subscribe
        if (!subscribed && unsubscribedForTime > SWITCH_SUBSCRIPTION_TIME) {
            print("---- subscribing ----");
            Messages.subscribe(channel);
            subscribed = true;
            subscribedForTime = 0;
        }

        // if we've been subscribed for SWITCH_SUBSCRIPTION_TIME seconds, unsubscribe
        if (subscribed && subscribedForTime > SWITCH_SUBSCRIPTION_TIME) {
            print("---- unsubscribing ----");
            Messages.unsubscribe(channel);
            subscribed = false;
            unsubscribedForTime = 0;
        }

        // Even if not subscribed, still publish
        var message = "update() deltaTime:" + deltaTime;
        //print(message);
        Messages.sendMessage(channel, message);
    }
});


Messages.messageReceived.connect(function (channel, message) {
    print("message received on channel:" + channel + ", message:" + message);
});