/** * Add a stream to the AppendStream * * @param puzzle_stream_StreamInterface $stream Stream to append. Must be readable. * * @throws InvalidArgumentException if the stream is not readable */ public function addStream(puzzle_stream_StreamInterface $stream) { if (!$stream->isReadable()) { throw new InvalidArgumentException('Each stream must be readable'); } // The stream is only seekable if all streams are seekable if (!$stream->isSeekable()) { $this->seekable = false; } $this->streams[] = $stream; }
private function addExpectHeader(puzzle_message_RequestInterface $request, puzzle_stream_StreamInterface $body) { // Determine if the Expect header should be used if ($request->hasHeader('Expect')) { return; } $expect = $request->getConfig(); $expect = $expect['expect']; // Return if disabled or if you're not using HTTP/1.1 if ($expect === false || $request->getProtocolVersion() !== '1.1') { return; } // The expect header is unconditionally enabled if ($expect === true) { $request->setHeader('Expect', '100-Continue'); return; } // By default, send the expect header when the payload is > 1mb if ($expect === null) { $expect = 1048576; } // Always add if the body cannot be rewound, the size cannot be // determined, or the size is greater than the cutoff threshold $size = $body->getSize(); if ($size === null || $size >= (int) $expect || !$body->isSeekable()) { $request->setHeader('Expect', '100-Continue'); } }
/** * {@inheritdoc} */ public function isSeekable() { return $this->_delegate->isSeekable(); }