@Override
public void postCall(HttpRequest request, HttpResponseStatus status, HandlerInfo handlerInfo) {
if (metricsCollectionService != null) {
try {
MetricsCollector collector = collectorCache.get(createContext(handlerInfo));
String name;
int code = status.getCode();
if (code < 100) {
name = "unknown";
} else if (code < 200) {
name = "information";
} else if (code < 300) {
name = "successful";
} else if (code < 400) {
name = "redirect";
} else if (code < 500) {
name = "client-error";
} else if (code < 600) {
name = "server-error";
} else {
name = "unknown";
}
// todo: report metrics broken down by status
collector.increment("response." + name, 1 /*, "status:" + code*/);
} catch (Throwable e) {
LOG.error("Got exception while getting collector", e);
}
}
}
private void sendHttpResponse(ActorRef sender, HttpResponseStatus status, String response) {
// headers
Map<String, List<String>> headers = new HashMap<String, List<String>>();
headers.put(HttpHeaders.Names.CONTENT_TYPE, Arrays.asList("text/plain"));
// response
if (StringUtils.isEmpty(response)) {
response = status.getReasonPhrase();
}
sender.tell(
new HttpResponse(status.getCode(), headers, response.getBytes(Charset.forName("UTF-8"))),
getSelf());
}
private String getResponseCounterName(HttpResponseStatus responseStatus) {
return responseStatus.getCode() + "-" + responseStatus.getReasonPhrase() + "-count";
}