/**
* 获取请求的响应
* @public
* @return <WebResponse> http请求的响应信息
*/
public function getResponse()
{
if (!($fp = fsockopen($this->host, $this->port, $errno, $errstr, $this->timeout))) {
switch ($errno) {
case -3:
$this->errormsg = 'Socket连接创建失败 (-3)';
break;
case -4:
$this->errormsg = 'DNS定位失败 (-4)';
break;
case -5:
$this->errormsg = '连接超时或被拒绝 (-5)';
break;
default:
$this->errormsg = '连接失败 (' . $errno . ')';
break;
$this->errormsg .= ' ' . $errstr;
}
return false;
} else {
}
socket_set_timeout($fp, $this->timeout);
$request = $this->buildRequestInfo();
fwrite($fp, $request);
$content = '';
$readState = 'start';
$response = new WebResponse();
while (!feof($fp)) {
$line = fgets($fp, 4096);
if ($readState == 'start') {
$readState = 'header';
if (!preg_match('/HTTP\\/(\\d\\.\\d)\\s*(\\d+)\\s*(.*)/', $line, $m)) {
$this->errormsg = "非法的请求状态: " . htmlentities($line);
return false;
}
$http_version = $m[1];
//未使用
$response->setStatus($m[2]);
$status_string = $m[3];
//未使用
} else {
if ($readState == 'header') {
if (trim($line) == '') {
$readState = 'content';
}
if (!preg_match('/([^:]+):\\s*(.*)/', $line, $m)) {
continue;
}
$key = strtolower(trim($m[1]));
$val = trim($m[2]);
$response->appendHeader($key, $val);
} else {
$content .= $line;
}
}
}
fclose($fp);
$response->setContent($content);
return $response;
}
