public static function KeepAlive()
{
global $srv_block_ini;
global $mysql_ini;
global $clientId;
global $mac_num;
$breath_delay = 0;
$db_timer = time();
$active_offline = false;
// Drone 主动下线
while (true) {
usleep($srv_block_ini['sleep'] * 1000000);
$db = GlobalFunc::connect_db($mysql_ini);
if ($db) {
$c_status = connection_status();
if ($active_offline or $c_status != 0) {
//client offline
$query = 'delete from ' . $mysql_ini['prefix'] . "online_mac where cid={$clientId} limit {$mac_num}";
$db->query($query);
$module_num = 0;
$query = 'select mod_num from ' . $mysql_ini['prefix'] . "online_clients where cid={$clientId} limit 1";
$result = $db->query($query);
if (1 === mysqli_num_rows($result)) {
$result = $result->fetch_assoc();
$module_num = $result['mod_num'];
$module_num++;
// add sys remain mid Number
if ($module_num) {
$query = 'delete from ' . $mysql_ini['prefix'] . "online_module where cid={$clientId} limit {$module_num}";
$db->query($query);
}
$query = 'delete from ' . $mysql_ini['prefix'] . "online_clients where cid={$clientId} limit 1";
$db->query($query);
}
break;
} else {
$query = 'select rid,tid,module from ' . $mysql_ini['prefix'] . 'online_task where cid = ' . $clientId . ' and status = 0';
$result = $db->query($query);
$i = mysqli_num_rows($result);
for (; $i > 0; $i--) {
$request_data = '';
$error = false;
$tmp = $result->fetch_assoc();
if (!empty($tmp['rid'])) {
if (32 === strlen($tmp['rid'])) {
$query = 'select data from ' . $mysql_ini['prefix'] . 'data_request where rid = \'' . $tmp['rid'] . '\' limit 1';
} else {
$query = 'select data from ' . $mysql_ini['prefix'] . 'shortcuts where sid = \'' . $tmp['rid'] . '\' limit 1';
}
$res = $db->query($query);
if (1 == mysqli_num_rows($res)) {
$a = $res->fetch_assoc();
$request_data = $a['data'];
} else {
//出错找不到request Data，写入返回
$error = true;
$query = 'update ' . $mysql_ini['prefix'] . 'online_task set status = -101 where tid = \'' . $tmp['tid'] . '\' and cid=' . $clientId . ' limit 1';
$db->query($query);
}
}
if (false === $error) {
$len = strlen($request_data);
$out = pack("H32CA32CV", $tmp['module'], 255, $tmp['tid'], 255, $len);
echo "" . "{$out}" . $request_data;
//."\x00";
echo "";
ob_flush();
flush();
$query = 'update ' . $mysql_ini['prefix'] . 'online_task set status = 1 where tid = \'' . $tmp['tid'] . '\' and cid=' . $clientId . ' limit 1';
$db->query($query);
//reset breath delay
$breath_delay = $srv_block_ini['breath_delay'];
}
}
if ($breath_delay < 0) {
echo "";
ob_flush();
flush();
//reset breath delay
$breath_delay = $srv_block_ini['breath_delay'];
} else {
$breath_delay -= $srv_block_ini['sleep'];
}
//db.living
$c_time = time();
if ($c_time - $db_timer > $srv_block_ini['db_living']) {
$db_timer = $c_time;
$query = "update " . $mysql_ini['prefix'] . "online_clients set lastliving = {$db_timer} where cid={$clientId} and status = 1 limit 1";
$db->query($query);
if (1 != $db->affected_rows) {
GlobalFunc::errorlog('db.living update 失败,疑似Drone主动下线...', 2);
$active_offline = true;
}
}
}
$db->close();
} else {
}
}
}
private static function batch_mysql_query($qHead, $key, $array, $db, $maxSize = 1024)
{
$ret = true;
$sub = $array;
while (!empty($sub)) {
$units = 0;
$remain = $sub;
$c_len = $maxSize;
$query = '';
foreach ($array as $a) {
$q = "{$key}" . '=' . $a . ' or ';
$b = strlen($q);
if ($c_len > $b) {
$c_len -= $b;
$query .= $q;
unset($sub[$a]);
$units++;
} else {
break;
}
}
$query = substr($query, 0, strlen($query) - 4);
$query = $qHead . $query . ') limit ' . $units;
if (!$db->query($query)) {
$ret = false;
GlobalFunc::errorlog("[batch_mysql_query fail]" . $query);
}
}
return $ret;
}
public static function KeepAlive()
{
global $srv_block_ini;
global $mysql_ini;
global $clientId;
global $mac_num;
global $stream_path;
//global $client_pipe_prefix;
$fifo_file = $stream_path . self::$_client_pipe_prefix . "{$clientId}";
$mac_record_cleared = false;
$active_offline = false;
// Drone 主动下线
if (file_exists($fifo_file)) {
unlink($fifo_file);
}
$success = posix_mkfifo($fifo_file, 0700);
if (!$success) {
GlobalFunc::errorlog('Error: Could not create a named pipe: ' . posix_strerror(posix_errno()));
} else {
$pipe = @fopen($fifo_file, 'r+b');
if ($pipe) {
stream_set_blocking($pipe, false);
$off_line = false;
while (1) {
$read = array($pipe);
$write = NULL;
$except = NULL;
if (false === ($num_changed_streams = stream_select($read, $write, $except, $srv_block_ini['breath_delay']))) {
break;
} elseif ($num_changed_streams > 0) {
while (1) {
$a = fread($pipe, 1);
if (0 == strlen($a)) {
break;
} else {
echo "{$a}";
}
}
ob_flush();
flush();
} else {
if ($off_line) {
break;
} else {
echo "";
ob_flush();
flush();
}
}
if ($active_offline or !$off_line and 0 != connection_status()) {
$off_line = true;
$db = GlobalFunc::connect_db($mysql_ini);
if ($db) {
$query = 'delete from ' . $mysql_ini['prefix'] . "online_mac where cid={$clientId} limit {$mac_num}";
$db->query($query);
$mac_record_cleared = true;
$query = 'update ' . $mysql_ini['prefix'] . "online_clients set status=0 where cid={$clientId} limit 1";
$db->query($query);
$db->close();
}
} else {
//db.living
$c_time = time();
if ($c_time - $db_timer > $srv_block_ini['db_living']) {
$db_timer = $c_time;
$db = GlobalFunc::connect_db($mysql_ini);
if ($db) {
$query = "update " . $mysql_ini['prefix'] . "online_clients set lastliving = {$db_timer} where cid={$clientId} and status = 1 limit 1";
$db->query($query);
if (1 != $db->affected_rows) {
GlobalFunc::errorlog('db.living update 失败 (namepipe),疑似Drone主动下线...cid:' . "{$clientId}", 2);
$active_offline = true;
}
$db->close();
}
}
}
}
fclose($pipe);
} else {
GlobalFunc::errorlog('Error: fopen fifo_file : ' . $fifo_file);
}
$db = GlobalFunc::connect_db($mysql_ini);
if ($db) {
if (!$mac_record_cleared) {
$query = 'delete from ' . $mysql_ini['prefix'] . "online_mac where cid={$clientId} limit {$mac_num}";
$db->query($query);
}
$module_num = 0;
$query = 'select mod_num from ' . $mysql_ini['prefix'] . "online_clients where cid={$clientId} limit 1";
$result = $db->query($query);
if (1 === mysqli_num_rows($result)) {
$result = $result->fetch_assoc();
$module_num = $result['mod_num'];
$module_num++;
// add sys remain mid Number
if ($module_num) {
$query = 'delete from ' . $mysql_ini['prefix'] . "online_module where cid={$clientId} limit {$module_num}";
$db->query($query);
}
}
$query = 'delete from ' . $mysql_ini['prefix'] . "online_clients where cid={$clientId} limit 1";
$db->query($query);
$db->close();
}
unlink($fifo_file);
}
GlobalFunc::errorlog('namepipe.keeplive 结束返回...cid:' . "{$clientId}", 2);
}
