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author | RaindropsSys <contact@minteck.org> | 2023-04-24 14:03:36 +0200 |
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committer | RaindropsSys <contact@minteck.org> | 2023-04-24 14:03:36 +0200 |
commit | 633c92eae865e957121e08de634aeee11a8b3992 (patch) | |
tree | 09d881bee1dae0b6eee49db1dfaf0f500240606c /includes/external/matrix/node_modules/axios/lib/helpers/speedometer.js | |
parent | c4657e4509733699c0f26a3c900bab47e915d5a0 (diff) | |
download | pluralconnect-633c92eae865e957121e08de634aeee11a8b3992.tar.gz pluralconnect-633c92eae865e957121e08de634aeee11a8b3992.tar.bz2 pluralconnect-633c92eae865e957121e08de634aeee11a8b3992.zip |
Updated 18 files, added 1692 files and deleted includes/system/compare.inc (automated)
Diffstat (limited to 'includes/external/matrix/node_modules/axios/lib/helpers/speedometer.js')
-rw-r--r-- | includes/external/matrix/node_modules/axios/lib/helpers/speedometer.js | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/includes/external/matrix/node_modules/axios/lib/helpers/speedometer.js b/includes/external/matrix/node_modules/axios/lib/helpers/speedometer.js new file mode 100644 index 0000000..3b3c666 --- /dev/null +++ b/includes/external/matrix/node_modules/axios/lib/helpers/speedometer.js @@ -0,0 +1,55 @@ +'use strict'; + +/** + * Calculate data maxRate + * @param {Number} [samplesCount= 10] + * @param {Number} [min= 1000] + * @returns {Function} + */ +function speedometer(samplesCount, min) { + samplesCount = samplesCount || 10; + const bytes = new Array(samplesCount); + const timestamps = new Array(samplesCount); + let head = 0; + let tail = 0; + let firstSampleTS; + + min = min !== undefined ? min : 1000; + + return function push(chunkLength) { + const now = Date.now(); + + const startedAt = timestamps[tail]; + + if (!firstSampleTS) { + firstSampleTS = now; + } + + bytes[head] = chunkLength; + timestamps[head] = now; + + let i = tail; + let bytesCount = 0; + + while (i !== head) { + bytesCount += bytes[i++]; + i = i % samplesCount; + } + + head = (head + 1) % samplesCount; + + if (head === tail) { + tail = (tail + 1) % samplesCount; + } + + if (now - firstSampleTS < min) { + return; + } + + const passed = startedAt && now - startedAt; + + return passed ? Math.round(bytesCount * 1000 / passed) : undefined; + }; +} + +export default speedometer; |