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<?php
declare(strict_types=1);
namespace Sentry\State;
use Sentry\Breadcrumb;
use Sentry\ClientInterface;
use Sentry\Event;
use Sentry\EventHint;
use Sentry\EventId;
use Sentry\Integration\IntegrationInterface;
use Sentry\Severity;
use Sentry\Tracing\SamplingContext;
use Sentry\Tracing\Span;
use Sentry\Tracing\Transaction;
use Sentry\Tracing\TransactionContext;
/**
* This class is a basic implementation of the {@see HubInterface} interface.
*/
final class Hub implements HubInterface
{
/**
* @var Layer[] The stack of client/scope pairs
*/
private $stack = [];
/**
* @var EventId|null The ID of the last captured event
*/
private $lastEventId;
/**
* Hub constructor.
*
* @param ClientInterface|null $client The client bound to the hub
* @param Scope|null $scope The scope bound to the hub
*/
public function __construct(?ClientInterface $client = null, ?Scope $scope = null)
{
$this->stack[] = new Layer($client, $scope ?? new Scope());
}
/**
* {@inheritdoc}
*/
public function getClient(): ?ClientInterface
{
return $this->getStackTop()->getClient();
}
/**
* {@inheritdoc}
*/
public function getLastEventId(): ?EventId
{
return $this->lastEventId;
}
/**
* {@inheritdoc}
*/
public function pushScope(): Scope
{
$clonedScope = clone $this->getScope();
$this->stack[] = new Layer($this->getClient(), $clonedScope);
return $clonedScope;
}
/**
* {@inheritdoc}
*/
public function popScope(): bool
{
if (1 === \count($this->stack)) {
return false;
}
return null !== array_pop($this->stack);
}
/**
* {@inheritdoc}
*/
public function withScope(callable $callback)
{
$scope = $this->pushScope();
try {
return $callback($scope);
} finally {
$this->popScope();
}
}
/**
* {@inheritdoc}
*/
public function configureScope(callable $callback): void
{
$callback($this->getScope());
}
/**
* {@inheritdoc}
*/
public function bindClient(ClientInterface $client): void
{
$layer = $this->getStackTop();
$layer->setClient($client);
}
/**
* {@inheritdoc}
*/
public function captureMessage(string $message, ?Severity $level = null, ?EventHint $hint = null): ?EventId
{
$client = $this->getClient();
if (null !== $client) {
return $this->lastEventId = $client->captureMessage($message, $level, $this->getScope(), $hint);
}
return null;
}
/**
* {@inheritdoc}
*/
public function captureException(\Throwable $exception, ?EventHint $hint = null): ?EventId
{
$client = $this->getClient();
if (null !== $client) {
return $this->lastEventId = $client->captureException($exception, $this->getScope(), $hint);
}
return null;
}
/**
* {@inheritdoc}
*/
public function captureEvent(Event $event, ?EventHint $hint = null): ?EventId
{
$client = $this->getClient();
if (null !== $client) {
return $this->lastEventId = $client->captureEvent($event, $hint, $this->getScope());
}
return null;
}
/**
* {@inheritdoc}
*/
public function captureLastError(?EventHint $hint = null): ?EventId
{
$client = $this->getClient();
if (null !== $client) {
return $this->lastEventId = $client->captureLastError($this->getScope(), $hint);
}
return null;
}
/**
* {@inheritdoc}
*/
public function addBreadcrumb(Breadcrumb $breadcrumb): bool
{
$client = $this->getClient();
if (null === $client) {
return false;
}
$options = $client->getOptions();
$beforeBreadcrumbCallback = $options->getBeforeBreadcrumbCallback();
$maxBreadcrumbs = $options->getMaxBreadcrumbs();
if ($maxBreadcrumbs <= 0) {
return false;
}
$breadcrumb = $beforeBreadcrumbCallback($breadcrumb);
if (null !== $breadcrumb) {
$this->getScope()->addBreadcrumb($breadcrumb, $maxBreadcrumbs);
}
return null !== $breadcrumb;
}
/**
* {@inheritdoc}
*/
public function getIntegration(string $className): ?IntegrationInterface
{
$client = $this->getClient();
if (null !== $client) {
return $client->getIntegration($className);
}
return null;
}
/**
* {@inheritdoc}
*
* @param array<string, mixed> $customSamplingContext Additional context that will be passed to the {@see SamplingContext}
*/
public function startTransaction(TransactionContext $context, array $customSamplingContext = []): Transaction
{
$transaction = new Transaction($context, $this);
$client = $this->getClient();
$options = null !== $client ? $client->getOptions() : null;
if (null === $options || !$options->isTracingEnabled()) {
$transaction->setSampled(false);
return $transaction;
}
$samplingContext = SamplingContext::getDefault($context);
$samplingContext->setAdditionalContext($customSamplingContext);
$tracesSampler = $options->getTracesSampler();
if (null === $transaction->getSampled()) {
if (null !== $tracesSampler) {
$sampleRate = $tracesSampler($samplingContext);
} else {
$sampleRate = $this->getSampleRate(
$samplingContext->getParentSampled(),
$options->getTracesSampleRate() ?? 0
);
}
if (!$this->isValidSampleRate($sampleRate)) {
$transaction->setSampled(false);
return $transaction;
}
$transaction->getMetadata()->setSamplingRate($sampleRate);
if (0.0 === $sampleRate) {
$transaction->setSampled(false);
return $transaction;
}
$transaction->setSampled($this->sample($sampleRate));
}
if (!$transaction->getSampled()) {
return $transaction;
}
$transaction->initSpanRecorder();
$profilesSampleRate = $options->getProfilesSampleRate();
if ($this->sample($profilesSampleRate)) {
$transaction->initProfiler();
$profiler = $transaction->getProfiler();
if (null !== $profiler) {
$profiler->start();
}
}
return $transaction;
}
/**
* {@inheritdoc}
*/
public function getTransaction(): ?Transaction
{
return $this->getScope()->getTransaction();
}
/**
* {@inheritdoc}
*/
public function setSpan(?Span $span): HubInterface
{
$this->getScope()->setSpan($span);
return $this;
}
/**
* {@inheritdoc}
*/
public function getSpan(): ?Span
{
return $this->getScope()->getSpan();
}
/**
* Gets the scope bound to the top of the stack.
*/
private function getScope(): Scope
{
return $this->getStackTop()->getScope();
}
/**
* Gets the topmost client/layer pair in the stack.
*/
private function getStackTop(): Layer
{
return $this->stack[\count($this->stack) - 1];
}
private function getSampleRate(?bool $hasParentBeenSampled, float $fallbackSampleRate): float
{
if (true === $hasParentBeenSampled) {
return 1;
}
if (false === $hasParentBeenSampled) {
return 0;
}
return $fallbackSampleRate;
}
/**
* @param mixed $sampleRate
*/
private function sample($sampleRate): bool
{
if (0.0 === $sampleRate) {
return false;
}
if (1.0 === $sampleRate) {
return true;
}
return mt_rand(0, mt_getrandmax() - 1) / mt_getrandmax() < $sampleRate;
}
/**
* @param mixed $sampleRate
*/
private function isValidSampleRate($sampleRate): bool
{
if (!\is_float($sampleRate) && !\is_int($sampleRate)) {
return false;
}
if ($sampleRate < 0 || $sampleRate > 1) {
return false;
}
return true;
}
}

vendor/sentry/sentry/src/State/Hub.php line 88