public function __construct(array $options)
{
$options = ['baseUri' => Arr::get($options, 'baseUri', $this->baseUri), 'timeout' => Arr::get($options, 'timeout', $this->timeout), 'proxy' => Arr::get($options, 'proxy', $this->proxy), 'auth' => Arr::get($options, 'auth', $this->auth), 'logger' => Arr::get($options, 'logger')];
try {
V::arrayVal()->key('baseUri', V::url()->notEmpty())->key('timeout', V::floatVal()->min(0))->key('proxy', V::optional(V::url()))->key('auth', V::arrayVal()->key('user', V::stringType())->key('pass', V::stringType()))->key('logger', V::instance('\\Psr\\Log\\LoggerInterface'))->assert($options);
} catch (\InvalidArgumentException $e) {
$errors = array_filter($e->findMessages(['baseUri' => 'Required correct baseUri', 'timeout' => 'Required correct timeout', 'proxy' => 'Required correct proxy', 'auth' => 'Required correct authuser', 'logger' => 'Required a logger instance of psr\\log']));
$errmsg = array_shift($errors);
throw new Exception($errmsg);
}
$this->baseUri = $options['baseUri'];
$this->timeout = $options['timeout'];
$this->proxy = $options['proxy'];
$this->auth = $options['auth'];
$this->logger = $options['logger'];
}
/**
* @brief 对资源发起POST请求
*
* @param string $method 请求方法
* @param stirng $requestUri 请求URI
* @param array $params 请求参数
*
* @return string or null 响应内容
*/
public function request($method, $requestUri, array $params = [])
{
$options = ['base_uri' => $this->conf->baseUri, 'timeout' => $this->conf->timeout];
//毫秒超时
if ($this->conf->timeout < 1) {
//需要cURL版本大于7.16.2
$support = version_compare(curl_version()['version'], '7.16.2', '>=');
if ($support) {
//此设置会让DNS无超时,建议libcurl使用c-ares做异步DNS
$options['curl'] = [CURLOPT_NOSIGNAL => 1];
} else {
$this->conf->logger->warning('TIMEOUT_MS added in cURL 7.16.2 .');
$this->conf->timeout = 1;
}
}
//设置代理
if ($this->conf->proxy) {
$options['proxy'] = $this->conf->proxy;
}
//设置认证信息
if ($this->conf->auth['user']) {
$options['auth'] = array_values($this->conf->auth);
}
//追加caller
$params['caller'] = $this->caller;
//配置请求参数
if ($params) {
switch ($method) {
case 'GET':
$options['query'] = $params;
break;
case 'POST':
$options['form_params'] = $params;
break;
case 'PUT':
$options['body'] = http_build_query($params);
break;
default:
}
}
//设置头信息
if ($this->headers) {
$options['headers'] = $this->headers;
}
//设置cookie
if ($this->cookies) {
$options['cookies'] = $this->cookies;
}
//传输细节
$options['on_stats'] = function ($stats) use($method, $params) {
//记录请求日志
$requestInfo = 'Request';
$requestInfo .= ' [method] ' . $method;
$requestInfo .= ' [uri] ' . $stats->getEffectiveUri();
$requestInfo .= ' [usetime] ' . round($stats->getTransferTime(), 2) . '(s)';
$this->conf->logger->info($requestInfo, $params);
$statsInfo = $stats->getHandlerStats();
//记录请求慢日志
if ($statsInfo['total_time'] > self::WARNING_COST_TIME) {
$this->conf->logger->warning('Request time is too long.', Arr::extract($statsInfo, ['total_time', 'namelookup_time', 'connect_time', 'pretransfer_time', 'starttransfer_time']));
}
};
try {
//开始请求
$response = $this->client->request($method, $requestUri, $options);
if ($response->getStatusCode() === 200) {
//获取响应内容
$data = $response->getBody()->getContents();
//响应内容记录DEBUG日志
$this->conf->logger->info('Response [content] ' . $data);
return $data;
} else {
return null;
}
} catch (\Exception $e) {
//请求异常记录ERROR日志
$this->conf->logger->error($e->getMessage());
return null;
}
}