[WebSocket] Performance

Added unit tests for Rsv bit checks
Using binary operators to check bits resulting in massive performance gains
This commit is contained in:
Chris Boden 2012-07-13 11:38:16 -04:00
parent 2d9967b066
commit a2188a449e
3 changed files with 32 additions and 28 deletions

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@ -15,7 +15,7 @@ interface FrameInterface extends DataInterface {
function isFinal();
/**
* Was the payload masked?
* Is the payload masked?
* @return bool
*/
function isMasked();

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@ -127,9 +127,7 @@ class Frame implements FrameInterface {
throw new \UnderflowException('Not enough bytes received to determine if this is the final frame in message');
}
$fbb = sprintf('%08b', ord(substr($this->data, 0, 1)));
return (boolean)(int)$fbb[0];
return 128 === (ord($this->data[0]) & 128);
}
/**
@ -141,9 +139,7 @@ class Frame implements FrameInterface {
throw new \UnderflowException('Not enough bytes received to determine reserved bit');
}
$fbb = sprintf('%08b', ord(substr($this->data, 0, 1)));
return (boolean)(int)$fbb[1];
return 64 === (ord($this->data[0]) & 64);
}
/**
@ -155,9 +151,7 @@ class Frame implements FrameInterface {
throw new \UnderflowException('Not enough bytes received to determine reserved bit');
}
$fbb = sprintf('%08b', ord(substr($this->data, 0, 1)));
return (boolean)(int)$fbb[2];
return 32 === (ord($this->data[0]) & 32);
}
/**
@ -169,9 +163,7 @@ class Frame implements FrameInterface {
throw new \UnderflowException('Not enough bytes received to determine reserved bit');
}
$fbb = sprintf('%08b', ord(substr($this->data, 0, 1)));
return (boolean)(int)$fbb[3];
return 16 == (ord($this->data[0]) & 16);
}
/**
@ -182,7 +174,7 @@ class Frame implements FrameInterface {
throw new \UnderflowException("Not enough bytes received ({$this->bytesRecvd}) to determine if mask is set");
}
return (boolean)bindec(substr(sprintf('%08b', ord(substr($this->data, 1, 1))), 0, 1));
return 128 === (ord($this->data[1]) & 128);
}
/**

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@ -66,22 +66,42 @@ class FrameTest extends \PHPUnit_Framework_TestCase {
*/
public static function firstByteProvider() {
return array(
array(false, 8, '00001000')
, array(true, 10, '10001010')
, array(false, 15, '00001111')
, array(true, 1, '10000001')
, array(true, 15, '11111111')
array(false, false, false, true, 8, '00011000')
, array(true, false, true, false, 10, '10101010')
, array(false, false, false, false, 15, '00001111')
, array(true, false, false, false, 1, '10000001')
, array(true, true, true, true, 15, '11111111')
, array(true, true, false, false, 7, '11000111')
);
}
/**
* @dataProvider firstByteProvider
*/
public function testFinCodeFromBits($fin, $opcode, $bin) {
public function testFinCodeFromBits($fin, $rsv1, $rsv2, $rsv3, $opcode, $bin) {
$this->_frame->addBuffer(Frame::encode($bin));
$this->assertEquals($fin, $this->_frame->isFinal());
}
/**
* @dataProvider firstByteProvider
*/
public function testGetRsvFromBits($fin, $rsv1, $rsv2, $rsv3, $opcode, $bin) {
$this->_frame->addBuffer(Frame::encode($bin));
$this->assertEquals($rsv1, $this->_frame->getRsv1());
$this->assertEquals($rsv2, $this->_frame->getRsv2());
$this->assertEquals($rsv3, $this->_frame->getRsv3());
}
/**
* @dataProvider firstByteProvider
*/
public function testOpcodeFromBits($fin, $rsv1, $rsv2, $rsv3, $opcode, $bin) {
$this->_frame->addBuffer(Frame::encode($bin));
$this->assertEquals($opcode, $this->_frame->getOpcode());
}
/**
* @dataProvider UnframeMessageProvider
*/
@ -90,14 +110,6 @@ class FrameTest extends \PHPUnit_Framework_TestCase {
$this->assertTrue($this->_frame->isFinal());
}
/**
* @dataProvider firstByteProvider
*/
public function testOpcodeFromBits($fin, $opcode, $bin) {
$this->_frame->addBuffer(Frame::encode($bin));
$this->assertEquals($opcode, $this->_frame->getOpcode());
}
/**
* @dataProvider UnframeMessageProvider
*/