<?php

namespace ElephantIO\Stream;

/**
 * An underlying socket stream to handle raw io.
 *
 * @author Toha <tohenk@yahoo.com>
 */
interface StreamInterface
{
    public const EOL = "\r\n";

    /**
     * Is stream available?
     *
     * @return bool
     */
    public function available();

    /**
     * Check if stream is currently readable.
     *
     * @return bool
     */
    public function readable();

    /**
     * Check if stream is already upgraded.
     *
     * @return bool
     */
    public function upgraded();

    /**
     * Open stream URL.
     */
    public function open();

    /**
     * Close the stream.
     */
    public function close();

    /**
     * Upgrade the stream.
     */
    public function upgrade();

    /**
     * Is the stream was upgraded?
     *
     * @return bool
     */
    public function wasUpgraded();

    /**
     * Read data from underlying stream.
     *
     * @param int $size
     * @return string
     */
    public function read($size = null);

    /**
     * Write data to underlying stream.
     *
     * @param string $data
     * @return int
     */
    public function write($data);

    /**
     * Get url.
     *
     * @return \ElephantIO\SocketUrl
     */
    public function getUrl();

    /**
     * Get errors from the last open attempts.
     *
     * @return array
     */
    public function getErrors();

    /**
     * Get stream metadata.
     *
     * @return array
     */
    public function getMetadata();

    /**
     * Get connection timeout (in second).
     *
     * @return int
     */
    public function getTimeout();

    /**
     * Set connection timeout.
     *
     * @param int $timeout Timeout in second
     */
    public function setTimeout($timeout);
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MTQyMzE3NzI2OTg0OTc1MCAyMjA4MDIyMzc0Njg4Nzg2IDM3ODQ0MDc5MTgxODA3MjM=