Class StatisticsHandler

    • Constructor Detail

      • StatisticsHandler

        public StatisticsHandler()
    • Method Detail

      • statsReset

        @ManagedOperation(value="resets statistics",
                          impact="ACTION")
        public void statsReset()
        Resets the current request statistics.
      • handle

        public void handle​(java.lang.String path,
                           Request baseRequest,
                           javax.servlet.http.HttpServletRequest request,
                           javax.servlet.http.HttpServletResponse response)
                    throws java.io.IOException,
                           javax.servlet.ServletException
        Description copied from interface: Handler
        Handle a request.
        Specified by:
        handle in interface Handler
        Overrides:
        handle in class HandlerWrapper
        Parameters:
        path - The target of the request - either a URI or a name.
        baseRequest - The original unwrapped request object.
        request - The request either as the Request object or a wrapper of that request. The HttpConnection.getCurrentConnection().getHttpChannel().getRequest() method can be used access the Request object if required.
        response - The response as the Response object or a wrapper of that request. The HttpConnection.getCurrentConnection().getHttpChannel().getResponse() method can be used access the Response object if required.
        Throws:
        java.io.IOException - if unable to handle the request or response processing
        javax.servlet.ServletException - if unable to handle the request or response due to underlying servlet issue
      • updateResponse

        protected void updateResponse​(Request request)
      • doStart

        protected void doStart()
                        throws java.lang.Exception
        Description copied from class: ContainerLifeCycle
        Starts the managed lifecycle beans in the order they were added.
        Overrides:
        doStart in class AbstractHandler
        Throws:
        java.lang.Exception
      • doStop

        protected void doStop()
                       throws java.lang.Exception
        Description copied from class: ContainerLifeCycle
        Stops the managed lifecycle beans in the reverse order they were added.
        Overrides:
        doStop in class AbstractHandler
        Throws:
        java.lang.Exception
      • getRequestsActive

        @ManagedAttribute("number of requests currently active")
        public int getRequestsActive()
        Returns:
        the number of requests currently active. since statsReset() was last called.
      • getRequestsActiveMax

        @ManagedAttribute("maximum number of active requests")
        public int getRequestsActiveMax()
        Returns:
        the maximum number of active requests since statsReset() was last called.
      • getRequestTimeMax

        @ManagedAttribute("maximum time spend handling requests (in ms)")
        public long getRequestTimeMax()
        Returns:
        the maximum time (in milliseconds) of request handling since statsReset() was last called.
      • getRequestTimeTotal

        @ManagedAttribute("total time spend in all request handling (in ms)")
        public long getRequestTimeTotal()
        Returns:
        the total time (in milliseconds) of requests handling since statsReset() was last called.
      • getDispatched

        @ManagedAttribute("number of dispatches")
        public int getDispatched()
        Returns:
        the number of dispatches seen by this handler since statsReset() was last called, excluding active dispatches
      • getDispatchedActive

        @ManagedAttribute("number of dispatches currently active")
        public int getDispatchedActive()
        Returns:
        the number of dispatches currently in this handler since statsReset() was last called, including resumed requests
      • getDispatchedActiveMax

        @ManagedAttribute("maximum number of active dispatches being handled")
        public int getDispatchedActiveMax()
        Returns:
        the max number of dispatches currently in this handler since statsReset() was last called, including resumed requests
      • getDispatchedTimeMax

        @ManagedAttribute("maximum time spend in dispatch handling")
        public long getDispatchedTimeMax()
        Returns:
        the maximum time (in milliseconds) of request dispatch since statsReset() was last called.
      • getDispatchedTimeTotal

        @ManagedAttribute("total time spent in dispatch handling (in ms)")
        public long getDispatchedTimeTotal()
        Returns:
        the total time (in milliseconds) of requests handling since statsReset() was last called.
      • getAsyncRequests

        @ManagedAttribute("total number of async requests")
        public int getAsyncRequests()
        Returns:
        the number of requests handled by this handler since statsReset() was last called, including resumed requests
        See Also:
        getAsyncDispatches()
      • getAsyncRequestsWaiting

        @ManagedAttribute("currently waiting async requests")
        public int getAsyncRequestsWaiting()
        Returns:
        the number of requests currently suspended. since statsReset() was last called.
      • getAsyncRequestsWaitingMax

        @ManagedAttribute("maximum number of waiting async requests")
        public int getAsyncRequestsWaitingMax()
        Returns:
        the maximum number of current suspended requests since statsReset() was last called.
      • getAsyncDispatches

        @ManagedAttribute("number of requested that have been asynchronously dispatched")
        public int getAsyncDispatches()
        Returns:
        the number of requests that have been asynchronously dispatched
      • getExpires

        @ManagedAttribute("number of async requests requests that have expired")
        public int getExpires()
        Returns:
        the number of requests that expired while suspended.
        See Also:
        getAsyncDispatches()
      • getResponses1xx

        @ManagedAttribute("number of requests with 1xx response status")
        public int getResponses1xx()
        Returns:
        the number of responses with a 1xx status returned by this context since statsReset() was last called.
      • getResponses2xx

        @ManagedAttribute("number of requests with 2xx response status")
        public int getResponses2xx()
        Returns:
        the number of responses with a 2xx status returned by this context since statsReset() was last called.
      • getResponses3xx

        @ManagedAttribute("number of requests with 3xx response status")
        public int getResponses3xx()
        Returns:
        the number of responses with a 3xx status returned by this context since statsReset() was last called.
      • getResponses4xx

        @ManagedAttribute("number of requests with 4xx response status")
        public int getResponses4xx()
        Returns:
        the number of responses with a 4xx status returned by this context since statsReset() was last called.
      • getResponses5xx

        @ManagedAttribute("number of requests with 5xx response status")
        public int getResponses5xx()
        Returns:
        the number of responses with a 5xx status returned by this context since statsReset() was last called.
      • getStatsOnMs

        @ManagedAttribute("time in milliseconds stats have been collected for")
        public long getStatsOnMs()
        Returns:
        the milliseconds since the statistics were started with statsReset().
      • getResponsesBytesTotal

        @ManagedAttribute("total number of bytes across all responses")
        public long getResponsesBytesTotal()
        Returns:
        the total bytes of content sent in responses
      • toStatsHTML

        public java.lang.String toStatsHTML()
      • shutdown

        public java.util.concurrent.Future<java.lang.Void> shutdown()
        Specified by:
        shutdown in interface Graceful
      • isShutdown

        public boolean isShutdown()
        Specified by:
        isShutdown in interface Graceful