PHPDaemon\Clients\Asterisk\Connection::onRead PHP Method

    public function onRead()
    {
        if ($this->state === self::CONN_STATE_START) {
            if (($ver = $this->readline()) === null) {
                return;
            }
            $this->pool->setAmiVersion($this->addr, $ver);
            $this->state = self::CONN_STATE_GOT_INITIAL_PACKET;
            $this->auth();
        }
        while (($line = $this->readline()) !== null) {
            //Daemon::log('>>> '.$line);
            if ($line === '') {
                $this->instate = self::INPUT_STATE_END_OF_PACKET;
                $packet =& $this->packets[$this->cnt];
                ++$this->cnt;
            } else {
                $this->instate = self::INPUT_STATE_PROCESSING;
                list($header, $value) = Pool::extract($line);
                $this->packets[$this->cnt][$header] = $value;
            }
            if ((int) $this->state === self::CONN_STATE_AUTH) {
                if ($this->instate === self::INPUT_STATE_END_OF_PACKET) {
                    if ($packet['response'] === 'success') {
                        if ($this->state === self::CONN_STATE_CHALLENGE_PACKET_SENT) {
                            if (is_callable($this->onChallenge)) {
                                $func = $this->onChallenge;
                                $func($this, $packet['challenge']);
                            }
                        } else {
                            if ($packet['message'] === 'authentication accepted') {
                                $this->state = self::CONN_STATE_HANDSHAKED_OK;
                                Daemon::$process->log(__METHOD__ . ': Authentication ok. Connected to ' . parse_url($this->addr, PHP_URL_HOST));
                                if ($this->onConnected) {
                                    $this->connected = true;
                                    $this->onConnected->executeAll($this);
                                    $this->onConnected = null;
                                }
                                $this->event('connected');
                            }
                        }
                    } else {
                        $this->state = self::CONN_STATE_HANDSHAKED_ERROR;
                        Daemon::$process->log(__METHOD__ . ': Authentication failed. Connection to ' . parse_url($this->addr, PHP_URL_HOST) . ' failed.');
                        if ($this->onConnected) {
                            $this->connected = false;
                            $this->onConnected->executeAll($this);
                            $this->onConnected = null;
                        }
                        $this->finish();
                    }
                    $this->packets = [];
                }
            } elseif ($this->state === self::CONN_STATE_HANDSHAKED_OK) {
                if ($this->instate === self::INPUT_STATE_END_OF_PACKET) {
                    // Event
                    if (isset($packet['event']) && !isset($packet['actionid'])) {
                        $this->event('event_' . $packet['event'], $packet);
                        $this->event('event', $packet);
                    } elseif (isset($packet['actionid'])) {
                        $action_id =& $packet['actionid'];
                        if (isset($this->callbacks[$action_id])) {
                            if (isset($this->assertions[$action_id])) {
                                $this->packets[$action_id][] = $packet;
                                $assertations = count(array_uintersect_uassoc($this->assertions[$action_id], $packet, 'strcasecmp', 'strcasecmp'));
                                if ($assertations === count($this->assertions[$action_id])) {
                                    if (is_callable($this->callbacks[$action_id])) {
                                        $this->callbacks[$action_id]($this, $this->packets[$action_id]);
                                        unset($this->callbacks[$action_id]);
                                    }
                                    unset($this->assertions[$action_id]);
                                    unset($this->packets[$action_id]);
                                }
                            } else {
                                if (is_callable($this->callbacks[$action_id])) {
                                    $this->callbacks[$action_id]($this, $packet);
                                    unset($this->callbacks[$action_id]);
                                }
                            }
                        }
                    }
                    unset($packet);
                    unset($this->packets[$this->cnt - 1]);
                }
            }
        }
    }