// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.net.telemetry;
/** Utility class for grouping requests/responses into buckets */
public final class SizeBuckets {
/**
* Accepts a value in Bytes and groups it in buckets based on the Kilobyte value;
*
* @param sizeBytes size in Bytes
* @return int bucket group
*/
public static int calcRequestHeadersSizeBucket(long sizeBytes) {
checkSizeIsValid(sizeBytes, "Request header size is negative");
double sizeKB = sizeBytes / 1024.0;
if (isInClosedOpenRange(sizeKB, 0, 1)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__REQUEST_HEADERS_SIZE__REQUEST_HEADERS_SIZE_BUCKET_UNDER_ONE_KIB;
} else if (isInClosedOpenRange(sizeKB, 1, 10)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__REQUEST_HEADERS_SIZE__REQUEST_HEADERS_SIZE_BUCKET_ONE_TO_TEN_KIB;
} else if (isInClosedOpenRange(sizeKB, 10, 25)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__REQUEST_HEADERS_SIZE__REQUEST_HEADERS_SIZE_BUCKET_TEN_TO_TWENTY_FIVE_KIB;
} else if (isInClosedOpenRange(sizeKB, 25, 50)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__REQUEST_HEADERS_SIZE__REQUEST_HEADERS_SIZE_BUCKET_TWENTY_FIVE_TO_FIFTY_KIB;
} else if (isInClosedOpenRange(sizeKB, 50, 100)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__REQUEST_HEADERS_SIZE__REQUEST_HEADERS_SIZE_BUCKET_FIFTY_TO_HUNDRED_KIB;
} else { // sizeKB >= 100
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__REQUEST_HEADERS_SIZE__REQUEST_HEADERS_SIZE_BUCKET_OVER_HUNDRED_KIB;
}
}
/**
* Accepts a value in Bytes and groups it in buckets based on the Kilobyte value;
*
* @param sizeBytes size in Bytes
* @return int bucket group
*/
public static int calcResponseHeadersSizeBucket(long sizeBytes) {
checkSizeIsValid(sizeBytes, "Response header size is negative");
double sizeKB = sizeBytes / 1024.0;
if (isInClosedOpenRange(sizeKB, 0, 1)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__RESPONSE_HEADERS_SIZE__RESPONSE_HEADERS_SIZE_BUCKET_UNDER_ONE_KIB;
} else if (isInClosedOpenRange(sizeKB, 1, 10)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__RESPONSE_HEADERS_SIZE__RESPONSE_HEADERS_SIZE_BUCKET_ONE_TO_TEN_KIB;
} else if (isInClosedOpenRange(sizeKB, 10, 25)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__RESPONSE_HEADERS_SIZE__RESPONSE_HEADERS_SIZE_BUCKET_TEN_TO_TWENTY_FIVE_KIB;
} else if (isInClosedOpenRange(sizeKB, 25, 50)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__RESPONSE_HEADERS_SIZE__RESPONSE_HEADERS_SIZE_BUCKET_TWENTY_FIVE_TO_FIFTY_KIB;
} else if (isInClosedOpenRange(sizeKB, 50, 100)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__RESPONSE_HEADERS_SIZE__RESPONSE_HEADERS_SIZE_BUCKET_FIFTY_TO_HUNDRED_KIB;
} else { // sizeKB >= 100
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__RESPONSE_HEADERS_SIZE__RESPONSE_HEADERS_SIZE_BUCKET_OVER_HUNDRED_KIB;
}
}
/**
* Accepts a value in Bytes and groups it in buckets based on the Kilobyte value;
*
* @param sizeBytes size in Bytes
* @return int bucket group
*/
public static int calcRequestBodySizeBucket(long sizeBytes) {
checkSizeIsValid(sizeBytes, "Request body size is negative");
double sizeKB = sizeBytes / 1024.0;
if (sizeKB == 0) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__REQUEST_BODY_SIZE__REQUEST_BODY_SIZE_BUCKET_ZERO;
} else if (sizeKB > 0 && sizeKB < 10) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__REQUEST_BODY_SIZE__REQUEST_BODY_SIZE_BUCKET_UNDER_TEN_KIB;
} else if (isInClosedOpenRange(sizeKB, 10, 50)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__REQUEST_BODY_SIZE__REQUEST_BODY_SIZE_BUCKET_TEN_TO_FIFTY_KIB;
} else if (isInClosedOpenRange(sizeKB, 50, 200)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__REQUEST_BODY_SIZE__REQUEST_BODY_SIZE_BUCKET_FIFTY_TO_TWO_HUNDRED_KIB;
} else if (isInClosedOpenRange(sizeKB, 200, 500)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__REQUEST_BODY_SIZE__REQUEST_BODY_SIZE_BUCKET_TWO_HUNDRED_TO_FIVE_HUNDRED_KIB;
} else if (isInClosedOpenRange(sizeKB, 500, 1000)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__REQUEST_BODY_SIZE__REQUEST_BODY_SIZE_BUCKET_FIVE_HUNDRED_KIB_TO_ONE_MIB;
} else if (isInClosedOpenRange(sizeKB, 1000, 5000)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__REQUEST_BODY_SIZE__REQUEST_BODY_SIZE_BUCKET_ONE_TO_FIVE_MIB;
} else { // sizeKB >= 5000
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__REQUEST_BODY_SIZE__REQUEST_BODY_SIZE_BUCKET_OVER_FIVE_MIB;
}
}
/**
* Accepts a value in Bytes and groups it in buckets based on the Kilobyte value;
*
* @param sizeBytes size in Bytes
* @return int bucket group
*/
public static int calcResponseBodySizeBucket(long sizeBytes) {
checkSizeIsValid(sizeBytes, "Response body size is negative");
double sizeKB = sizeBytes / 1024.0;
if (sizeKB == 0) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__RESPONSE_BODY_SIZE__RESPONSE_BODY_SIZE_BUCKET_ZERO;
} else if (sizeKB > 0 && sizeKB < 10) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__RESPONSE_BODY_SIZE__RESPONSE_BODY_SIZE_BUCKET_UNDER_TEN_KIB;
} else if (isInClosedOpenRange(sizeKB, 10, 50)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__RESPONSE_BODY_SIZE__RESPONSE_BODY_SIZE_BUCKET_TEN_TO_FIFTY_KIB;
} else if (isInClosedOpenRange(sizeKB, 50, 200)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__RESPONSE_BODY_SIZE__RESPONSE_BODY_SIZE_BUCKET_FIFTY_TO_TWO_HUNDRED_KIB;
} else if (isInClosedOpenRange(sizeKB, 200, 500)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__RESPONSE_BODY_SIZE__RESPONSE_BODY_SIZE_BUCKET_TWO_HUNDRED_TO_FIVE_HUNDRED_KIB;
} else if (isInClosedOpenRange(sizeKB, 500, 1000)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__RESPONSE_BODY_SIZE__RESPONSE_BODY_SIZE_BUCKET_FIVE_HUNDRED_KIB_TO_ONE_MIB;
} else if (isInClosedOpenRange(sizeKB, 1000, 5000)) {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__RESPONSE_BODY_SIZE__RESPONSE_BODY_SIZE_BUCKET_ONE_TO_FIVE_MIB;
} else {
return CronetStatsLog
.CRONET_TRAFFIC_REPORTED__RESPONSE_BODY_SIZE__RESPONSE_BODY_SIZE_BUCKET_OVER_FIVE_MIB;
}
}
private static void checkSizeIsValid(long sizeBytes, String errMessage) {
if (sizeBytes < 0) {
throw new IllegalArgumentException(errMessage);
}
}
private static boolean isInClosedOpenRange(double value, int lowerBound, int upperBound) {
return value >= lowerBound && value < upperBound;
}
private SizeBuckets() {}
}
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