var 
    // Initialize abstractor
    flow = require("../lib")(),

    // Create nodes
    httpNode = flow( "http-server", { port: 8087 }),
    // Windows: requestHandler = flow( "generic", function (msg, url) { msg.topic = "ping " + url + ""; return msg; } ),
    requestHandler = flow( "generic", function (msg, url) { msg.topic = "ping " + url + " -c 4 -w 5"; return msg; } ),
    execNode = flow( "exec" );

// HTTP /fullcache -> get all cache entries -> response
httpNode.on("/ping/:parm1", requestHandler);
    requestHandler.on("success", execNode);
        execNode.on("success", httpNode);
        execNode.on("error", httpNode);