static function test1($str)
{
var_dump(SOAServer::getClientEnv());
var_dump(SOAServer::getRequestHeader());
return "hello-soa-finish: {$str}";
}
/**
* 并发请求
* @param float $timeout
* @return int
*/
function wait($timeout = 0.5)
{
$st = microtime(true);
$t_sec = (int) $timeout;
$t_usec = (int) (($timeout - $t_sec) * 1000 * 1000);
$buffer = $header = array();
$success_num = 0;
while (true) {
$write = $error = $read = array();
if (empty($this->wait_list)) {
break;
}
foreach ($this->wait_list as $obj) {
if ($obj->socket !== null) {
$read[] = $obj->socket->get_socket();
}
}
if (empty($read)) {
break;
}
$n = socket_select($read, $write, $error, $t_sec, $t_usec);
if ($n > 0) {
//可读
foreach ($read as $sock) {
$id = (int) $sock;
/**
* @var $retObj SOA_Result
*/
$retObj = $this->wait_list[$id];
$data = $retObj->socket->recv();
//socket被关闭了
if (empty($data)) {
$retObj->code = SOA_Result::ERR_CLOSED;
unset($this->wait_list[$id], $retObj->socket);
continue;
}
//一个新的请求，缓存区中没有数据
if (!isset($buffer[$id])) {
//这里仅使用了length和type，uid,serid未使用
$header[$id] = unpack(SOAServer::HEADER_STRUCT, substr($data, 0, SOAServer::HEADER_SIZE));
//错误的包头
if ($header[$id] === false or $header[$id]['length'] <= 0) {
$retObj->code = SOA_Result::ERR_HEADER;
unset($this->wait_list[$id]);
continue;
} elseif ($header[$id]['length'] > $this->packet_maxlen) {
$retObj->code = SOA_Result::ERR_TOOBIG;
unset($this->wait_list[$id]);
continue;
}
$buffer[$id] = substr($data, SOAServer::HEADER_SIZE);
} else {
$buffer[$id] .= $data;
}
//达到规定的长度
if (strlen($buffer[$id]) == $header[$id]['length']) {
$retObj->responseId = $header[$id]['serid'];
//成功处理
$this->finish(SOAServer::decode($buffer[$id], $header[$id]['type']), $retObj);
$success_num++;
}
//继续等待数据
}
}
//发生超时
if (microtime(true) - $st > $timeout) {
foreach ($this->wait_list as $obj) {
//TODO 如果请求超时了，需要上报服务器负载
$obj->code = $obj->socket->connected ? SOA_Result::ERR_TIMEOUT : SOA_Result::ERR_CONNECT;
//执行after钩子函数
$this->afterRequest($obj);
}
//清空当前列表
$this->wait_list = array();
return $success_num;
}
}
//未发生任何超时
$this->wait_list = array();
return $success_num;
}
static function hello()
{
return var_dump(SOAServer::getRequestHeader(), true);
}
