SAREhub/PHP_Commons

<?php

namespace SAREhub\Commons\Zmq;


use SAREhub\Commons\Misc\Dsn;

abstract class ZmqSocketSupport
{

    /**
     * @var Dsn
     */
    private $binded = null;

    /**
     * @var Dsn[]
     */
    private $connections = [];

    /**
     * @var \ZMQSocket
     */
    private $socket;

    public function __construct(\ZMQSocket $socket)
    {
        $this->socket = $socket;
    }

    /**
     * @param Dsn $dsn
     * @return $this
     * @throws \LogicException \ZMQException
     */
    public function bind(Dsn $dsn)
    {
        if ($this->isBinded()) {
            throw new \LogicException("socket can't be bind second time");
        }

        $this->getSocket()->bind((string)$dsn);
        $this->binded = $dsn;

        return $this;
    }

    /**
     * @throws \ZMQException
     */
    public function unbind()
    {
        if ($this->isBinded()) {
            $this->getSocket()->unbind((string)$this->getBinded());
            $this->binded = null;
        }

        return $this;
    }

    /**
     * @return bool
     */
    public function isBinded()
    {
        return $this->binded !== null;
    }

    /**
     * @param Dsn $dsn
     * @return $this
     */
    public function connect(Dsn $dsn)
    {
        if (!$this->isConnectedTo($dsn)) {
            $this->getSocket()->connect((string)$dsn);
            $this->connections[(string)$dsn] = $dsn;
        }

        return $this;
    }

    /**
     * @param Dsn $dsn
     * @return $this
     */
    public function disconnect(Dsn $dsn)
    {
        if ($this->isConnectedTo($dsn)) {
            $this->getSocket()->disconnect((string)$dsn);
            unset($this->connections[(string)$dsn]);
        }

        return $this;
    }

    /**
     * @return $this
     */
    public function disconnectAll()
    {
        foreach ($this->getConnections() as $connection) {
            $this->disconnect($connection);
        }

        return $this;
    }

    public function close()
    {
        $this->disconnectAll();
        $this->unbind();
    }

    /**
     * @return bool
     */
    public function isConnectedToAny()
    {
        return !empty($this->getConnections());
    }

    /**
     * @param Dsn $dsn
     * @return bool
     */
    public function isConnectedTo(Dsn $dsn)
    {
        return isset($this->connections[(string)$dsn]);
    }

    public function isBindedOrConnected()
    {
        return $this->isBinded() || $this->isConnectedToAny();
    }

    /**
     * @return \ZMQSocket
     */
    public function getSocket()
    {
        return $this->socket;
    }

    /**
     * @return Dsn
     */
    public function getBinded()
    {
        return $this->binded;
    }

    /**
     * @return Dsn[]
     */
    public function getConnections()
    {
        return $this->connections;
    }
}