127 lines
2.8 KiB
PHP
Executable File
127 lines
2.8 KiB
PHP
Executable File
<?php
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namespace Ratchet\RFC6455\Messaging;
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class Message implements \IteratorAggregate, MessageInterface {
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private \SplDoublyLinkedList $_frames;
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private int $len;
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public function __construct() {
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$this->_frames = new \SplDoublyLinkedList;
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$this->len = 0;
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}
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public function getIterator(): \Traversable {
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return $this->_frames;
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}
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/**
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* {@inheritdoc}
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*/
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public function count(): int {
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return count($this->_frames);
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}
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/**
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* {@inheritdoc}
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*/
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public function isCoalesced(): bool {
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if (count($this->_frames) == 0) {
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return false;
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}
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$last = $this->_frames->top();
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return $last->isCoalesced() && $last->isFinal();
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}
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/**
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* {@inheritdoc}
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*/
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public function addFrame(FrameInterface $fragment): MessageInterface {
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$this->len += $fragment->getPayloadLength();
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$this->_frames->push($fragment);
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return $this;
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}
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/**
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* {@inheritdoc}
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*/
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public function getOpcode(): int {
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if (count($this->_frames) == 0) {
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throw new \UnderflowException('No frames have been added to this message');
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}
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return $this->_frames->bottom()->getOpcode();
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}
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/**
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* {@inheritdoc}
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*/
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public function getPayloadLength(): int {
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return $this->len;
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}
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/**
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* {@inheritdoc}
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*/
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public function getPayload(): string {
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if (!$this->isCoalesced()) {
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throw new \UnderflowException('Message has not been put back together yet');
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}
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return $this->__toString();
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}
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/**
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* {@inheritdoc}
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*/
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public function getContents(): string {
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if (!$this->isCoalesced()) {
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throw new \UnderflowException("Message has not been put back together yet");
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}
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$buffer = '';
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foreach ($this->_frames as $frame) {
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$buffer .= $frame->getContents();
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}
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return $buffer;
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}
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public function __toString(): string {
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$buffer = '';
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foreach ($this->_frames as $frame) {
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$buffer .= $frame->getPayload();
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}
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return $buffer;
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}
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/**
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* @return boolean
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*/
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public function isBinary(): bool {
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if ($this->_frames->isEmpty()) {
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throw new \UnderflowException('Not enough data has been received to determine if message is binary');
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}
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return Frame::OP_BINARY === $this->_frames->bottom()->getOpcode();
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}
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/**
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* @return boolean
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*/
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public function getRsv1(): bool {
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if ($this->_frames->isEmpty()) {
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return false;
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//throw new \UnderflowException('Not enough data has been received to determine if message is binary');
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}
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return $this->_frames->bottom()->getRsv1();
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}
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}
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