/**
* 执行外部请求，并返回接口
*
* $request->execute();
*
* @param Request $request
* @param Response $response
* @return Response
* @throws Exception
*/
public function executeRequest(Request $request, Response $response)
{
$previous = Request::$current;
Request::$current = $request;
// 如果post数据了
if ($post = $request->post()) {
$request->body = http_build_query($post, null, '&');
$request->headers('content-type', 'application/x-www-form-urlencoded; charset=' . $request->charset);
}
// 如果需要暴露框架信息
if (Base::$expose) {
$request->headers('user-agent', Base::version());
}
try {
// 处理header
$sendHeaders = [];
if ($headers = $request->headers()) {
foreach ($headers as $key => $value) {
if (is_array($value)) {
$value = implode(', ', $value);
}
$sendHeaders[$key] = $value;
}
}
// 处理cookie
if ($cookies = $request->cookie()) {
$sendHeaders['Cookie'] = http_build_query($cookies, null, '; ');
}
$url = $request->uri;
if ($query = $request->query()) {
$url .= '?' . http_build_query($query, null, '&');
}
// 执行请求
$result = Requests::request($url, $sendHeaders, $request->body, $request->method, $this->options);
if (!$result->success) {
throw new RequestException('Error fetching remote :url [ status :code ]', [':url' => $url, ':code' => $result->status_code]);
}
foreach ($result->headers as $k => $v) {
$response->headers($k, $v);
}
$response->status = $result->status_code;
$response->body = $result->body;
} catch (Exception $e) {
Request::$current = $previous;
throw $e;
}
Request::$current = $previous;
return $response;
}
/**
* 渲染当前响应对象
*
* @return string
*/
public function render()
{
Base::getLog()->debug(__METHOD__ . ' render response object');
if (!$this->headers('content-type')) {
$this->headers('content-type', Base::$contentType . '; charset=' . $this->charset);
}
$this->headers('content-length', (string) $this->contentLength);
if (Base::$expose) {
$this->headers('user-agent', Base::version());
}
if ($this->cookies) {
if (extension_loaded('http')) {
$this->headers('set-cookie', http_build_cookie($this->cookies));
} else {
$cookies = [];
foreach ($this->cookies as $key => $value) {
$string = $key . '=' . $value['value'] . '; expires=' . date('l, d M Y H:i:s T', $value['expiration']);
$cookies[] = $string;
}
$this->headers('set-cookie', $cookies);
}
}
$output = $this->protocol . ' ' . $this->status . ' ' . Arr::get(Http::$text, $this->status) . "\r\n";
$output .= $this->message->headerLines;
$output .= $this->message->body;
return $output;
}
/**
* 将当前进程的统计信息写入到统计文件
*
* @return void
*/
protected static function writeStatisticsToStatusFile()
{
// 主进程部分
if (self::$_masterPid === posix_getpid()) {
$loadAvg = sys_getloadavg();
file_put_contents(self::$statusFile, "---------------------------------------GLOBAL STATUS--------------------------------------------\n");
file_put_contents(self::$statusFile, 'Tourze version:' . Base::version() . " PHP version:" . PHP_VERSION . "\n", FILE_APPEND);
file_put_contents(self::$statusFile, 'start time:' . date('Y-m-d H:i:s', self::$_globalStatistics['start_timestamp']) . ' run ' . floor((time() - self::$_globalStatistics['start_timestamp']) / (24 * 60 * 60)) . ' days ' . floor((time() - self::$_globalStatistics['start_timestamp']) % (24 * 60 * 60) / (60 * 60)) . " hours \n", FILE_APPEND);
file_put_contents(self::$statusFile, 'load average: ' . implode(", ", $loadAvg) . "\n", FILE_APPEND);
file_put_contents(self::$statusFile, count(self::$_pidMap) . ' workers ' . count(self::getAllWorkerPids()) . " processes\n", FILE_APPEND);
file_put_contents(self::$statusFile, str_pad('worker_name', self::$_maxWorkerNameLength) . " exit_status exit_count\n", FILE_APPEND);
foreach (self::$_pidMap as $worker_id => $worker_pid_array) {
$worker = self::$_workers[$worker_id];
if (isset(self::$_globalStatistics['worker_exit_info'][$worker_id])) {
foreach (self::$_globalStatistics['worker_exit_info'][$worker_id] as $worker_exit_status => $worker_exit_count) {
file_put_contents(self::$statusFile, str_pad($worker->name, self::$_maxWorkerNameLength) . " " . str_pad($worker_exit_status, 16) . " {$worker_exit_count}\n", FILE_APPEND);
}
} else {
file_put_contents(self::$statusFile, str_pad($worker->name, self::$_maxWorkerNameLength) . " " . str_pad(0, 16) . " 0\n", FILE_APPEND);
}
}
file_put_contents(self::$statusFile, "---------------------------------------PROCESS STATUS-------------------------------------------\n", FILE_APPEND);
file_put_contents(self::$statusFile, "pid\tmemory " . str_pad('listening', self::$_maxSocketNameLength) . " " . str_pad('worker_name', self::$_maxWorkerNameLength) . " connections " . str_pad('total_request', 13) . " " . str_pad('send_fail', 9) . " " . str_pad('throw_exception', 15) . "\n", FILE_APPEND);
chmod(self::$statusFile, 0722);
foreach (self::getAllWorkerPids() as $worker_pid) {
posix_kill($worker_pid, SIGUSR2);
}
return;
}
// 子进程部分
$worker = current(self::$_workers);
$statusStr = posix_getpid() . "\t" . str_pad(round(memory_get_usage(true) / (1024 * 1024), 2) . "M", 7) . " " . str_pad($worker->getSocketName(), self::$_maxSocketNameLength) . " " . str_pad($worker->name === $worker->getSocketName() ? 'none' : $worker->name, self::$_maxWorkerNameLength) . " ";
$statusStr .= str_pad(ConnectionInterface::$statistics['connection_count'], 11) . " " . str_pad(ConnectionInterface::$statistics['total_request'], 14) . " " . str_pad(ConnectionInterface::$statistics['send_fail'], 9) . " " . str_pad(ConnectionInterface::$statistics['throw_exception'], 15) . "\n";
file_put_contents(self::$statusFile, $statusStr, FILE_APPEND);
}
/**
* 渲染请求，保存：协议、头部、内容主体
*
* @return string
*/
public function render()
{
if (!($post = $this->post())) {
$body = $this->body;
} else {
$this->headers('content-type', 'application/x-www-form-urlencoded; charset=' . $this->charset);
$body = http_build_query($post, null, '&');
}
$this->headers('content-length', (string) $this->contentLength);
if (Base::$expose) {
$this->headers('user-agent', Base::version());
}
if ($this->_cookies) {
$cookieString = [];
// Parse each
foreach ($this->_cookies as $key => $value) {
$cookieString[] = $key . '=' . $value;
}
// 创建cookie字符串
$this->headers('cookie', implode('; ', $cookieString));
}
$output = $this->method . ' ' . $this->uri . ' ' . $this->protocol . "\r\n";
$output .= $this->message->headerLines;
$output .= $body;
return $output;
}
