/**
* @uses \Crunch\FastCGI\Protocol\Record
* @uses \Crunch\FastCGI\Protocol\RecordType
* @uses \Crunch\FastCGI\Protocol\Header
* @covers ::encode
*/
public function testEncodeEmptyParameters()
{
$parameters = new RequestParameters([]);
$records = $parameters->encode(123);
self::assertCount(1, $records);
self::assertEquals(123, $records[0]->getRequestId());
self::assertSame(RecordType::params(), $records[0]->getType());
self::assertEquals('', $records[0]->getContent());
}
/**
* Encodes request into an traversable of records.
*
* @return Traversable|Record[]
*/
public function toRecords()
{
$result = [];
while ($chunk = $this->error->read(65535)) {
$result[] = new Record(new Header(RecordType::stderr(), $this->requestId, strlen($chunk)), $chunk);
}
while ($chunk = $this->content->read(65535)) {
$result[] = new Record(new Header(RecordType::stdout(), $this->requestId, strlen($chunk)), $chunk);
}
$result[] = new Record(new Header(RecordType::stdout(), $this->requestId, 0, 8), '');
$result[] = new Record(new Header(RecordType::endRequest(), $this->requestId, 0, 8), '');
return new ArrayIterator($result);
}
/**
* @param int $requestId
*
* @return Record[]|Traversable
*/
public function encode($requestId)
{
$packet = '';
foreach ($this->parameters as $name => $value) {
// TODO "pack(C)" when < 128
// 0x80000000 => 4byte, highest bit 1, rest 0 (0x1000...0000)
$new = \pack('NN', \strlen($name) + 0x80000000, \strlen($value) + 0x80000000) . $name . $value;
// Although the specs states, that it isn't important it looks like
// at least php-fpm expects parameters not to be spread over several
// records. That doesn't make much sense for really long values though ...
if (strlen($new) + strlen($packet) > 65535) {
$result[] = new Record(new Header(RecordType::params(), $requestId, strlen($packet)), $packet);
$packet = '';
}
$packet .= $new;
}
if ($packet) {
$result[] = new Record(new Header(RecordType::params(), $requestId, strlen($packet)), $packet);
}
// Some servers miss to drop the padding on the empty PARAMS-record
// I look at you php-fpm ;)
$result[] = new Record(new Header(RecordType::params(), $requestId, 0, 0), '');
return new ArrayIterator($result);
}
/**
* @dataProvider payloadLengthMismatchExamples
* @uses \Crunch\FastCGI\Protocol\Header
* @uses \Crunch\FastCGI\Protocol\RecordType
* @param integer $length
* @param string $payload
*/
public function testPayloadLengthMismatch($length, $payload)
{
$this->setExpectedException('\\LengthException');
$header = new Header(RecordType::beginRequest(), 1, $length);
new Record($header, $payload);
}
/**
* @param string $header
*
* @throws InvalidArgumentException thrown when $header is not a string
* @throws LengthException thrown when $header is not exactly 8 bytes
* @return Header
*/
public static function decode($header)
{
if (!is_string($header)) {
throw new InvalidArgumentException(sprintf('Header must be a (binary) string, %s given', gettype($header)));
}
if (strlen($header) != 8) {
throw new LengthException(sprintf('Header must be exactly 8 bytes, %d bytes given', strlen($header)));
}
$header = \unpack('Cversion/Ctype/nrequestId/nlength/CpaddingLength/Creserved', $header);
return new self(RecordType::instance($header['type']), $header['requestId'], $header['length'], $header['paddingLength']);
}
/**
* @covers ::maxtype
*/
public function testDirectInstancationMethodOfMaxtype()
{
$expectedRecordType = RecordType::instance(RecordType::MAXTYPE);
$recordType = RecordType::maxtype();
self::assertSame($expectedRecordType, $recordType);
}
/**
* Encodes request into an traversable of records.
*
* @return Traversable|Record[]
*/
public function toRecords()
{
$result = [new Record(new Header(RecordType::beginRequest(), $this->getRequestId(), 8), \pack('xCCxxxxx', $this->role->value(), 0xff & ($this->keepConnection ? 1 : 0)))];
foreach ($this->getParameters()->encode($this->getRequestId()) as $value) {
$result[] = $value;
}
while ($chunk = $this->stdin->read(65535)) {
$result[] = new Record(new Header(RecordType::stdin(), $this->getRequestId(), strlen($chunk)), $chunk);
}
$result[] = new Record(new Header(RecordType::stdin(), $this->getRequestId(), 0, 0), '');
return new ArrayIterator($result);
}
