Created
July 18, 2013 23:18
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Re-use curl instance
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<?php | |
namespace PicoFeed\Clients; | |
use \PicoFeed\Logging; | |
class Curl extends \PicoFeed\Client | |
{ | |
private $body = ''; | |
private $body_length = 0; | |
private $headers = array(); | |
private $headers_counter = 0; | |
private static $curl = null; | |
private function getCurlInstance() | |
{ | |
if (self::$curl === null) { | |
self::$curl = curl_init(); | |
} | |
return self::$curl; | |
} | |
public function readBody($ch, $buffer) | |
{ | |
$length = strlen($buffer); | |
$this->body_length += $length; | |
if ($this->body_length > $this->max_body_size) return -1; | |
$this->body .= $buffer; | |
return $length; | |
} | |
public function readHeaders($ch, $buffer) | |
{ | |
$length = strlen($buffer); | |
if ($buffer === "\r\n") { | |
$this->headers_counter++; | |
} | |
else { | |
if (! isset($this->headers[$this->headers_counter])) { | |
$this->headers[$this->headers_counter] = ''; | |
} | |
$this->headers[$this->headers_counter] .= $buffer; | |
} | |
return $length; | |
} | |
public function doRequest() | |
{ | |
$request_headers = array('Connection: close'); | |
if ($this->etag) $request_headers[] = 'If-None-Match: '.$this->etag; | |
if ($this->last_modified) $request_headers[] = 'If-Modified-Since: '.$this->last_modified; | |
$t = microtime(true); | |
$ch = $this->getCurlInstance(); | |
//$ch = curl_init(); | |
var_dump(microtime(true) - $t); | |
curl_setopt($ch, CURLOPT_URL, $this->url); | |
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $this->timeout); | |
curl_setopt($ch, CURLOPT_TIMEOUT, $this->timeout); | |
curl_setopt($ch, CURLOPT_USERAGENT, $this->user_agent); | |
curl_setopt($ch, CURLOPT_HTTPHEADER, $request_headers); | |
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); | |
curl_setopt($ch, CURLOPT_MAXREDIRS, $this->max_redirects); | |
curl_setopt($ch, CURLOPT_ENCODING, ''); | |
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // For auto-signed certificates... | |
curl_setopt($ch, CURLOPT_WRITEFUNCTION, array($this, 'readBody')); | |
curl_setopt($ch, CURLOPT_HEADERFUNCTION, array($this, 'readHeaders')); | |
curl_exec($ch); | |
Logging::log('cURL total time: '.curl_getinfo($ch, CURLINFO_TOTAL_TIME)); | |
Logging::log('cURL dns lookup time: '.curl_getinfo($ch, CURLINFO_NAMELOOKUP_TIME)); | |
Logging::log('cURL connect time: '.curl_getinfo($ch, CURLINFO_CONNECT_TIME)); | |
Logging::log('cURL speed download: '.curl_getinfo($ch, CURLINFO_SPEED_DOWNLOAD)); | |
if (curl_errno($ch)) { | |
Logging::log('cURL error: '.curl_error($ch)); | |
//curl_close($ch); | |
return false; | |
} | |
//curl_close($ch); | |
list($status, $headers) = $this->parseHeaders(explode("\r\n", $this->headers[$this->headers_counter - 1])); | |
return array( | |
'status' => $status, | |
'body' => $this->body, | |
'headers' => $headers | |
); | |
} | |
} |
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# No-reuse of curl instance | |
$ phpunit tests/CurlTest.php | |
PHPUnit 3.6.12 by Sebastian Bergmann. | |
.float(3.1948089599609E-5) | |
.float(4.5061111450195E-5) | |
.float(1.0967254638672E-5) | |
.float(1.0967254638672E-5) | |
.float(3.0040740966797E-5) | |
Time: 47 seconds, Memory: 6.50Mb | |
OK (5 tests, 11 assertions) | |
# Re-use of curl instance | |
$ phpunit tests/CurlTest.php | |
PHPUnit 3.6.12 by Sebastian Bergmann. | |
.float(4.9114227294922E-5) | |
.float(5.9604644775391E-6) | |
.float(7.1525573730469E-6) | |
.float(7.1525573730469E-6) | |
.float(5.0067901611328E-6) | |
Time: 49 seconds, Memory: 6.50Mb | |
OK (5 tests, 11 assertions) |
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