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Original file line number Diff line number Diff line change
Expand Up @@ -19,8 +19,9 @@
public class HttpInterceptor implements Filter {

private String endpoint;
private final int HTTP_NOT_FOUND = 404;
private final int HTTP_SUCCESS = 200;
private final int HTTP_BAD_REQUEST = 400;
private final int HTTP_NOT_ACCEPTABLE = 406;

@Override
public void init(FilterConfig filterConfig) {
Expand All @@ -29,64 +30,47 @@ public void init(FilterConfig filterConfig) {
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) {
try {
if (request instanceof HttpServletRequest) {
endpoint = ((HttpServletRequest) request).getRequestURI();

CharResponseWrapper responseWrapper = new CharResponseWrapper(
(HttpServletResponse) response);
chain.doFilter(request, responseWrapper);

HttpServletResponse resp = (HttpServletResponse) response;

if (resp.getStatus() != HTTP_NOT_FOUND) { // correct endpoint
String endpointQPS = MetricsKey.NET_API_DETAIL_QPS + endpoint;
MetricsUtil.meterMark(MetricsKey.NET_API_QPS);
MetricsUtil.meterMark(endpointQPS);

int reposeContentSize = responseWrapper.getByteSize();
String endpointOutTraffic = MetricsKey.NET_API_DETAIL_OUT_TRAFFIC + endpoint;
MetricsUtil.meterMark(MetricsKey.NET_API_OUT_TRAFFIC,
reposeContentSize);
MetricsUtil.meterMark(endpointOutTraffic, reposeContentSize);

if (resp.getStatus() != HTTP_SUCCESS) { //http fail
String endpointFailQPS = MetricsKey.NET_API_DETAIL_FAIL_QPS + endpoint;
MetricsUtil.meterMark(MetricsKey.NET_API_FAIL_QPS);
MetricsUtil.meterMark(endpointFailQPS);
}
} else { // wrong endpoint
MetricsUtil.meterMark(MetricsKey.NET_API_QPS);
MetricsUtil.meterMark(MetricsKey.NET_API_FAIL_QPS);
}
if (!(request instanceof HttpServletRequest)) {
chain.doFilter(request, response);
return;
}
endpoint = ((HttpServletRequest) request).getRequestURI();
CharResponseWrapper responseWrapper = new CharResponseWrapper(
(HttpServletResponse) response);
chain.doFilter(request, responseWrapper);
HttpServletResponse resp = (HttpServletResponse) response;
int size = responseWrapper.getByteSize();
MetricsUtil.meterMark(MetricsKey.NET_API_OUT_TRAFFIC, size);
MetricsUtil.meterMark(MetricsKey.NET_API_QPS);
if (resp.getStatus() >= HTTP_BAD_REQUEST && resp.getStatus() <= HTTP_NOT_ACCEPTABLE) {
MetricsUtil.meterMark(MetricsKey.NET_API_FAIL_QPS);
Metrics.histogramObserve(MetricKeys.Histogram.HTTP_BYTES,
responseWrapper.getByteSize(),
Strings.isNullOrEmpty(endpoint) ? MetricLabels.UNDEFINED : endpoint,
String.valueOf(responseWrapper.getStatus()));
size, MetricLabels.UNDEFINED, String.valueOf(responseWrapper.getStatus()));
return;
}
if (resp.getStatus() == HTTP_SUCCESS) {
MetricsUtil.meterMark(MetricsKey.NET_API_DETAIL_QPS + endpoint);
} else {
chain.doFilter(request, response);
MetricsUtil.meterMark(MetricsKey.NET_API_FAIL_QPS);
MetricsUtil.meterMark(MetricsKey.NET_API_DETAIL_FAIL_QPS + endpoint);
}

MetricsUtil.meterMark(MetricsKey.NET_API_DETAIL_OUT_TRAFFIC + endpoint, size);
Metrics.histogramObserve(MetricKeys.Histogram.HTTP_BYTES,
size, endpoint, String.valueOf(responseWrapper.getStatus()));
} catch (Exception e) {

if (MetricsUtil.getMeters(MetricsKey.NET_API_DETAIL_QPS).containsKey(
MetricsKey.NET_API_DETAIL_QPS + endpoint)) { // correct endpoint
MetricsUtil.meterMark(MetricsKey.NET_API_DETAIL_FAIL_QPS
+ endpoint, 1);
MetricsUtil.meterMark(MetricsKey.NET_API_DETAIL_QPS
+ endpoint, 1);
String key = MetricsKey.NET_API_DETAIL_QPS + endpoint;
if (MetricsUtil.getMeters(MetricsKey.NET_API_DETAIL_QPS).containsKey(key)) {
MetricsUtil.meterMark(key, 1);
MetricsUtil.meterMark(MetricsKey.NET_API_DETAIL_QPS + endpoint, 1);
}
MetricsUtil.meterMark(MetricsKey.NET_API_QPS, 1);
MetricsUtil.meterMark(MetricsKey.NET_API_FAIL_QPS, 1);

}

}

@Override
public void destroy() {

}

}


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