From cdd7ad020e165fe680703b6d3319b908b682fb7a Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@fakecake.org>
Date: Fri, 20 Oct 2023 17:12:29 +0300
Subject: jaeger-client -> opentelemetry

---
 .../ExplicitBucketHistogramAggregation.php         | 167 +++++++++++++++++++++
 .../Aggregation/ExplicitBucketHistogramSummary.php |  40 +++++
 .../Metrics/Aggregation/LastValueAggregation.php   |  81 ++++++++++
 .../sdk/Metrics/Aggregation/LastValueSummary.php   |  22 +++
 .../sdk/Metrics/Aggregation/SumAggregation.php     |  91 +++++++++++
 .../sdk/Metrics/Aggregation/SumSummary.php         |  20 +++
 6 files changed, 421 insertions(+)
 create mode 100644 vendor/open-telemetry/sdk/Metrics/Aggregation/ExplicitBucketHistogramAggregation.php
 create mode 100644 vendor/open-telemetry/sdk/Metrics/Aggregation/ExplicitBucketHistogramSummary.php
 create mode 100644 vendor/open-telemetry/sdk/Metrics/Aggregation/LastValueAggregation.php
 create mode 100644 vendor/open-telemetry/sdk/Metrics/Aggregation/LastValueSummary.php
 create mode 100644 vendor/open-telemetry/sdk/Metrics/Aggregation/SumAggregation.php
 create mode 100644 vendor/open-telemetry/sdk/Metrics/Aggregation/SumSummary.php

(limited to 'vendor/open-telemetry/sdk/Metrics/Aggregation')

diff --git a/vendor/open-telemetry/sdk/Metrics/Aggregation/ExplicitBucketHistogramAggregation.php b/vendor/open-telemetry/sdk/Metrics/Aggregation/ExplicitBucketHistogramAggregation.php
new file mode 100644
index 000000000..d68ecd830
--- /dev/null
+++ b/vendor/open-telemetry/sdk/Metrics/Aggregation/ExplicitBucketHistogramAggregation.php
@@ -0,0 +1,167 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\SDK\Metrics\Aggregation;
+
+use function array_fill;
+use function count;
+use const INF;
+use const NAN;
+use OpenTelemetry\Context\ContextInterface;
+use OpenTelemetry\SDK\Common\Attribute\AttributesInterface;
+use OpenTelemetry\SDK\Metrics\AggregationInterface;
+use OpenTelemetry\SDK\Metrics\Data;
+
+/**
+ * @implements AggregationInterface<ExplicitBucketHistogramSummary>
+ */
+final class ExplicitBucketHistogramAggregation implements AggregationInterface
+{
+    /**
+     * @var list<float|int>
+     * @readonly
+     */
+    public array $boundaries;
+
+    /**
+     * @param list<float|int> $boundaries strictly ascending histogram bucket boundaries
+     */
+    public function __construct(array $boundaries)
+    {
+        $this->boundaries = $boundaries;
+    }
+
+    public function initialize(): ExplicitBucketHistogramSummary
+    {
+        return new ExplicitBucketHistogramSummary(
+            0,
+            0,
+            +INF,
+            -INF,
+            array_fill(0, count($this->boundaries) + 1, 0),
+        );
+    }
+
+    /**
+     * @param ExplicitBucketHistogramSummary $summary
+     */
+    public function record($summary, $value, AttributesInterface $attributes, ContextInterface $context, int $timestamp): void
+    {
+        $boundariesCount = count($this->boundaries);
+        for ($i = 0; $i < $boundariesCount && $this->boundaries[$i] < $value; $i++) {
+        }
+        $summary->count++;
+        $summary->sum += $value;
+        $summary->min = self::min($value, $summary->min);
+        $summary->max = self::max($value, $summary->max);
+        $summary->buckets[$i]++;
+    }
+
+    /**
+     * @param ExplicitBucketHistogramSummary $left
+     * @param ExplicitBucketHistogramSummary $right
+     */
+    public function merge($left, $right): ExplicitBucketHistogramSummary
+    {
+        $count = $left->count + $right->count;
+        $sum = $left->sum + $right->sum;
+        $min = self::min($left->min, $right->min);
+        $max = self::max($left->max, $right->max);
+        $buckets = $right->buckets;
+        foreach ($left->buckets as $i => $bucketCount) {
+            $buckets[$i] += $bucketCount;
+        }
+
+        return new ExplicitBucketHistogramSummary(
+            $count,
+            $sum,
+            $min,
+            $max,
+            $buckets,
+        );
+    }
+
+    /**
+     * @param ExplicitBucketHistogramSummary $left
+     * @param ExplicitBucketHistogramSummary $right
+     */
+    public function diff($left, $right): ExplicitBucketHistogramSummary
+    {
+        $count = -$left->count + $right->count;
+        $sum = -$left->sum + $right->sum;
+        $min = $left->min > $right->min ? $right->min : NAN;
+        $max = $left->max < $right->max ? $right->max : NAN;
+        $buckets = $right->buckets;
+        foreach ($left->buckets as $i => $bucketCount) {
+            $buckets[$i] -= $bucketCount;
+        }
+
+        return new ExplicitBucketHistogramSummary(
+            $count,
+            $sum,
+            $min,
+            $max,
+            $buckets,
+        );
+    }
+
+    /**
+     * @param array<ExplicitBucketHistogramSummary> $summaries
+     */
+    public function toData(
+        array $attributes,
+        array $summaries,
+        array $exemplars,
+        int $startTimestamp,
+        int $timestamp,
+        $temporality
+    ): Data\Histogram {
+        $dataPoints = [];
+        foreach ($attributes as $key => $dataPointAttributes) {
+            if ($summaries[$key]->count === 0) {
+                continue;
+            }
+
+            $dataPoints[] = new Data\HistogramDataPoint(
+                $summaries[$key]->count,
+                $summaries[$key]->sum,
+                $summaries[$key]->min,
+                $summaries[$key]->max,
+                $summaries[$key]->buckets,
+                $this->boundaries,
+                $dataPointAttributes,
+                $startTimestamp,
+                $timestamp,
+                $exemplars[$key] ?? [],
+            );
+        }
+
+        return new Data\Histogram(
+            $dataPoints,
+            $temporality,
+        );
+    }
+
+    /**
+     * @param float|int $left
+     * @param float|int $right
+     * @return float|int
+     */
+    private static function min($left, $right)
+    {
+        /** @noinspection PhpConditionAlreadyCheckedInspection */
+        return $left <= $right ? $left : ($right <= $left ? $right : NAN);
+    }
+
+    /**
+     * @param float|int $left
+     * @param float|int $right
+     * @return float|int
+     */
+    private static function max($left, $right)
+    {
+        /** @noinspection PhpConditionAlreadyCheckedInspection */
+        return $left >= $right ? $left : ($right >= $left ? $right : NAN);
+    }
+}
diff --git a/vendor/open-telemetry/sdk/Metrics/Aggregation/ExplicitBucketHistogramSummary.php b/vendor/open-telemetry/sdk/Metrics/Aggregation/ExplicitBucketHistogramSummary.php
new file mode 100644
index 000000000..1878a34a0
--- /dev/null
+++ b/vendor/open-telemetry/sdk/Metrics/Aggregation/ExplicitBucketHistogramSummary.php
@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\SDK\Metrics\Aggregation;
+
+final class ExplicitBucketHistogramSummary
+{
+    public int $count;
+    /**
+     * @var float|int
+     */
+    public $sum;
+    /**
+     * @var float|int
+     */
+    public $min;
+    /**
+     * @var float|int
+     */
+    public $max;
+    /**
+     * @var int[]
+     */
+    public array $buckets;
+    /**
+     * @param float|int $sum
+     * @param float|int $min
+     * @param float|int $max
+     * @param int[] $buckets
+     */
+    public function __construct(int $count, $sum, $min, $max, array $buckets)
+    {
+        $this->count = $count;
+        $this->sum = $sum;
+        $this->min = $min;
+        $this->max = $max;
+        $this->buckets = $buckets;
+    }
+}
diff --git a/vendor/open-telemetry/sdk/Metrics/Aggregation/LastValueAggregation.php b/vendor/open-telemetry/sdk/Metrics/Aggregation/LastValueAggregation.php
new file mode 100644
index 000000000..aff04e315
--- /dev/null
+++ b/vendor/open-telemetry/sdk/Metrics/Aggregation/LastValueAggregation.php
@@ -0,0 +1,81 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\SDK\Metrics\Aggregation;
+
+use OpenTelemetry\Context\ContextInterface;
+use OpenTelemetry\SDK\Common\Attribute\AttributesInterface;
+use OpenTelemetry\SDK\Metrics\AggregationInterface;
+use OpenTelemetry\SDK\Metrics\Data;
+
+/**
+ * @implements AggregationInterface<LastValueSummary>
+ */
+final class LastValueAggregation implements AggregationInterface
+{
+    public function initialize(): LastValueSummary
+    {
+        return new LastValueSummary(null, 0);
+    }
+
+    /**
+     * @param LastValueSummary $summary
+     */
+    public function record($summary, $value, AttributesInterface $attributes, ContextInterface $context, int $timestamp): void
+    {
+        if ($summary->value === null || $timestamp >= $summary->timestamp) {
+            $summary->value = $value;
+            $summary->timestamp = $timestamp;
+        }
+    }
+
+    /**
+     * @param LastValueSummary $left
+     * @param LastValueSummary $right
+     */
+    public function merge($left, $right): LastValueSummary
+    {
+        return $right->timestamp >= $left->timestamp ? $right : $left;
+    }
+
+    /**
+     * @param LastValueSummary $left
+     * @param LastValueSummary $right
+     */
+    public function diff($left, $right): LastValueSummary
+    {
+        return $right->timestamp >= $left->timestamp ? $right : $left;
+    }
+
+    /**
+     * @param array<LastValueSummary> $summaries
+     */
+    public function toData(
+        array $attributes,
+        array $summaries,
+        array $exemplars,
+        int $startTimestamp,
+        int $timestamp,
+        $temporality
+    ): Data\Gauge {
+        $dataPoints = [];
+        foreach ($attributes as $key => $dataPointAttributes) {
+            if ($summaries[$key]->value === null) {
+                continue;
+            }
+
+            $dataPoints[] = new Data\NumberDataPoint(
+                $summaries[$key]->value,
+                $dataPointAttributes,
+                $startTimestamp,
+                $timestamp,
+                $exemplars[$key] ?? [],
+            );
+        }
+
+        return new Data\Gauge(
+            $dataPoints,
+        );
+    }
+}
diff --git a/vendor/open-telemetry/sdk/Metrics/Aggregation/LastValueSummary.php b/vendor/open-telemetry/sdk/Metrics/Aggregation/LastValueSummary.php
new file mode 100644
index 000000000..6cdb5ac9f
--- /dev/null
+++ b/vendor/open-telemetry/sdk/Metrics/Aggregation/LastValueSummary.php
@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\SDK\Metrics\Aggregation;
+
+final class LastValueSummary
+{
+    /**
+     * @var float|int|null
+     */
+    public $value;
+    public int $timestamp;
+    /**
+     * @param float|int|null $value
+     */
+    public function __construct($value, int $timestamp)
+    {
+        $this->value = $value;
+        $this->timestamp = $timestamp;
+    }
+}
diff --git a/vendor/open-telemetry/sdk/Metrics/Aggregation/SumAggregation.php b/vendor/open-telemetry/sdk/Metrics/Aggregation/SumAggregation.php
new file mode 100644
index 000000000..dc317ce73
--- /dev/null
+++ b/vendor/open-telemetry/sdk/Metrics/Aggregation/SumAggregation.php
@@ -0,0 +1,91 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\SDK\Metrics\Aggregation;
+
+use OpenTelemetry\Context\ContextInterface;
+use OpenTelemetry\SDK\Common\Attribute\AttributesInterface;
+use OpenTelemetry\SDK\Metrics\AggregationInterface;
+use OpenTelemetry\SDK\Metrics\Data;
+
+/**
+ * @implements AggregationInterface<SumSummary>
+ */
+final class SumAggregation implements AggregationInterface
+{
+    private bool $monotonic;
+
+    public function __construct(bool $monotonic = false)
+    {
+        $this->monotonic = $monotonic;
+    }
+
+    public function initialize(): SumSummary
+    {
+        return new SumSummary(0);
+    }
+
+    /**
+     * @param SumSummary $summary
+     */
+    public function record($summary, $value, AttributesInterface $attributes, ContextInterface $context, int $timestamp): void
+    {
+        $summary->value += $value;
+    }
+
+    /**
+     * @param SumSummary $left
+     * @param SumSummary $right
+     */
+    public function merge($left, $right): SumSummary
+    {
+        $sum = $left->value + $right->value;
+
+        return new SumSummary(
+            $sum,
+        );
+    }
+
+    /**
+     * @param SumSummary $left
+     * @param SumSummary $right
+     */
+    public function diff($left, $right): SumSummary
+    {
+        $sum = -$left->value + $right->value;
+
+        return new SumSummary(
+            $sum,
+        );
+    }
+
+    /**
+     * @param array<SumSummary> $summaries
+     */
+    public function toData(
+        array $attributes,
+        array $summaries,
+        array $exemplars,
+        int $startTimestamp,
+        int $timestamp,
+        $temporality
+    ): Data\Sum {
+        $dataPoints = [];
+        foreach ($attributes as $key => $dataPointAttributes) {
+            $dataPoints[] = new Data\NumberDataPoint(
+                $summaries[$key]->value,
+                $dataPointAttributes,
+                $startTimestamp,
+                $timestamp,
+                $exemplars[$key] ?? [],
+            );
+        }
+
+        return new Data\Sum(
+            $dataPoints,
+            $temporality,
+            $this->monotonic,
+        );
+    }
+}
diff --git a/vendor/open-telemetry/sdk/Metrics/Aggregation/SumSummary.php b/vendor/open-telemetry/sdk/Metrics/Aggregation/SumSummary.php
new file mode 100644
index 000000000..9b257193c
--- /dev/null
+++ b/vendor/open-telemetry/sdk/Metrics/Aggregation/SumSummary.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\SDK\Metrics\Aggregation;
+
+final class SumSummary
+{
+    /**
+     * @var float|int
+     */
+    public $value;
+    /**
+     * @param float|int $value
+     */
+    public function __construct($value)
+    {
+        $this->value = $value;
+    }
+}
-- 
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