<?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:----NzI2NTI0MDE3MTc3Mjg3NSA2NzY0NjYyNjE4NTczNzgyIDM0ODU0MjUyNjkzOTk4NzI=