protected function get_score($res)
{
$ip_distance = AClientUtils::ip_xor($res['ip'], $this->get_local_ip());
if ($ip_distance == 0) {
return 0;
} elseif ($ip_distance <= 0xff) {
return 1;
} elseif ($ip_distance <= 0xffff) {
return 2;
} elseif ($ip_distance <= 0xffffff) {
return 3;
} else {
return 4;
}
//return $this->get_score_from_param($ip_distance, $time_passed);
}
public function process($ip, $port)
{
$ret = $this->connect($ip, $port);
if ($ret != true) {
AClientUtils::add_error("connect ip[{$ip}] port[{$port}] failed");
return self::$CONNECT_FAILED;
}
$ret = $this->send();
if ($ret != true) {
AClientUtils::add_error("send to ip[{$ip}] port[{$port}] failed");
return self::$OTHER_FAILED;
}
$ret = $this->receive();
if ($ret != true) {
AClientUtils::add_error("receive from ip[{$ip}] port[{$port}] failed");
return self::$OTHER_FAILED;
}
return self::$SUCCESS;
}
public function SetConf($conf)
{
AClientUtils::clear_error();
$ret = $this->set_conf($conf);
$this->error = AClientUtils::get_error();
return $ret;
}
public function process($ip, $port)
{
$url = 'http://' . $ip . ':' . $port . '/' . $this->url;
$conn_timeout = $this->connect_timeout;
$conn_timeout = $conn_timeout < 1 ? 1 : (int) $conn_timeout;
$timeout = $this->connect_timeout + $this->write_timeout + $this->read_timeout;
$timeout = $timeout < 1 ? 1 : (int) $timeout;
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_HTTPHEADER, $this->header);
if ($this->is_post) {
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, $this->data);
}
curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, $conn_timeout);
curl_setopt($curl, CURLOPT_TIMEOUT, $timeout);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_BINARYTRANSFER, 1);
$output = curl_exec($curl);
if (!is_string($output)) {
if (curl_errno($curl) == CURLE_COULDNT_CONNECT) {
AClientUtils::add_error("connect ip[{$ip}] port[{$port}] failed");
return AClientProtocol::$CONNECT_FAILED;
} else {
AClientUtils::add_error(curl_error($curl));
return AClientProtocol::$OTHER_FAILED;
}
}
$code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
curl_close($curl);
$this->output = array('code' => $code, 'data' => $output);
return AClientProtocol::$SUCCESS;
}
public function process($protocol, $resources)
{
if (empty($resources)) {
AClientUtils::add_error("no resource");
return false;
}
$this->res = array();
$this->add_resources($resources);
if (empty($this->res)) {
// AClientUtils::add_error("all resources are disabled");
$this->res = $resources;
}
$this->before_choose();
$count = 0;
///<连接成功的个数
$success = false;
$retry = -1;
$res_count = count($this->res);
$delta_count = $this->service_retry + 1 - $res_count;
for ($i = 0; $i < $delta_count; ++$i) {
$this->res[] = $this->res[$i % $res_count];
}
foreach ($this->res as $res) {
$ret = $protocol->process($res['ip'], $res['port']);
if ($ret == AClientProtocol::$SUCCESS) {
$success = true;
$this->after_chosen_resource($res);
$count++;
} else {
//still couldn't connect, mark this resource as unusable
$this->mark_unusable($res);
if ($ret != AClientProtocol::$CONNECT_FAILED && !$this->always_retry) {
$count++;
$retry++;
}
}
if ($this->CHOOSE_NUM > 0 && $count >= $this->CHOOSE_NUM) {
$output = $protocol->get_output();
// http协议返回码小于400时不进行重试
if (!isset($output['code']) || intval($output['code']) < 400) {
break;
}
if ($retry >= $this->service_retry) {
break;
}
}
}
return $success;
}
public function receive()
{
$sock =& $this->sock;
$head = $sock->receive(self::$head_len);
if (!is_string($head) || strlen($head) != self::$head_len) {
return false;
}
$output =& $this->output;
$output = $this->unpack($head);
$len = $output['body_len'];
if (!is_integer($len) || $len < 0 || $output['magic_num'] != $this->input['magic_num']) {
AClientUtils::add_error("receive head[{$head}] error");
return false;
}
$body = $sock->receive($len);
if (!is_string($body) || strlen($body) != $len) {
return false;
}
$output['body'] = $body;
return true;
}
public static function clear_error()
{
self::$err_info = array();
self::$err_info['message'] = '';
}
