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[WebSocket] Performance

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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 59725ebc2d
commit 22c0ea19d9
2 changed files with 6 additions and 14 deletions
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2
Version/FrameInterface.php
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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();

18
Version/RFC6455/Frame.php
View File

@ -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);
}
/**