1 files changed, 97 insertions, 0 deletions
diff --git a/vendor/open-telemetry/sdk/Common/Export/Stream/StreamTransport.php b/vendor/open-telemetry/sdk/Common/Export/Stream/StreamTransport.php
new file mode 100644
index 000000000..4b99cf756
--- /dev/null
+++ b/vendor/open-telemetry/sdk/Common/Export/Stream/StreamTransport.php
@@ -0,0 +1,97 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\SDK\Common\Export\Stream;
+
+use BadMethodCallException;
+use ErrorException;
+use function fflush;
+use function fwrite;
+use OpenTelemetry\SDK\Common\Export\TransportInterface;
+use OpenTelemetry\SDK\Common\Future\CancellationInterface;
+use OpenTelemetry\SDK\Common\Future\CompletedFuture;
+use OpenTelemetry\SDK\Common\Future\ErrorFuture;
+use OpenTelemetry\SDK\Common\Future\FutureInterface;
+use function restore_error_handler;
+use RuntimeException;
+use function set_error_handler;
+use function strlen;
+use Throwable;
+
+/**
+ * @internal
+ *
+ * @psalm-template CONTENT_TYPE of string
+ * @template-implements TransportInterface<CONTENT_TYPE>
+ */
+final class StreamTransport implements TransportInterface
+{
+    /**
+     * @var resource|null
+     */
+    private $stream;
+    private string $contentType;
+
+    /**
+     * @param resource $stream
+     *
+     * @psalm-param CONTENT_TYPE $contentType
+     */
+    public function __construct($stream, string $contentType)
+    {
+        $this->stream = $stream;
+        $this->contentType = $contentType;
+    }
+
+    public function contentType(): string
+    {
+        return $this->contentType;
+    }
+
+    public function send(string $payload, ?CancellationInterface $cancellation = null): FutureInterface
+    {
+        if (!$this->stream) {
+            return new ErrorFuture(new BadMethodCallException('Transport closed'));
+        }
+
+        set_error_handler(static function (int $errno, string $errstr, string $errfile, int $errline): bool {
+            throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
+        });
+
+        try {
+            $bytesWritten = fwrite($this->stream, $payload);
+        } catch (Throwable $e) {
+            return new ErrorFuture($e);
+        } finally {
+            restore_error_handler();
+        }
+
+        if ($bytesWritten !== strlen($payload)) {
+            return new ErrorFuture(new RuntimeException(sprintf('Write failure, wrote %d of %d bytes', $bytesWritten, strlen($payload))));
+        }
+
+        return new CompletedFuture(null);
+    }
+
+    public function shutdown(?CancellationInterface $cancellation = null): bool
+    {
+        if (!$this->stream) {
+            return false;
+        }
+
+        $flush = @fflush($this->stream);
+        $this->stream = null;
+
+        return $flush;
+    }
+
+    public function forceFlush(?CancellationInterface $cancellation = null): bool
+    {
+        if (!$this->stream) {
+            return false;
+        }
+
+        return @fflush($this->stream);
+    }
+}