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Peksa/MetricsPlugin.java

Created July 29, 2012 15:38
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  1. Peksa created this gist Jul 29, 2012.
    62 changes: 62 additions & 0 deletions MetricsPlugin.java
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,62 @@
    package plugins;

    import play.PlayPlugin;
    import play.mvc.Http;
    import play.mvc.Http.Request;
    import play.mvc.Http.Response;
    import play.mvc.Router.Route;
    import play.vfs.VirtualFile;
    import util.MetricsUtil;

    public class MetricsPlugin extends PlayPlugin
    {
    @Override
    public boolean serveStatic(VirtualFile file, Request request, Response response)
    {
    String type = request.path.substring(request.path.lastIndexOf('.')+1);
    MetricsUtil.markMeter("static", type);
    return false;
    }

    @Override
    public void onRequestRouting(Route route)
    {
    Http.Request.current().args.put("route.action", route.action);
    Http.Request.current().args.put("route.method", route.method);
    MetricsUtil.markMeter("requests", route.action);
    MetricsUtil.markMeter("type", route.method);
    }

    @Override
    public void invocationFinally()
    {
    Http.Request request = Http.Request.current();
    Http.Response response = Http.Response.current();

    if (request == null || response == null)
    return;

    String action = (String) request.args.get("route.action");
    String method = (String) request.args.get("route.method");


    long requestProcessingTime = System.currentTimeMillis() - request.date.getTime();
    int time = (int) requestProcessingTime;
    MetricsUtil.updateHistogram("histograms", "requesttime", time);

    if (action != null)
    MetricsUtil.updateHistogram("histograms.requesttime", action, time);
    if (method != null)
    MetricsUtil.updateHistogram("histograms.requesttime", method, time);

    if (request.action != null && response.out.size() > 0)
    {
    int size = response.out.size();
    MetricsUtil.updateHistogram("histograms", "responsesize", size);
    if (action != null)
    MetricsUtil.updateHistogram("histograms.responsesize", action, size);
    if (method != null)
    MetricsUtil.updateHistogram("histograms.responsesize", method, size);
    }
    }
    }