Network: add ability to tick sessions

moved responsibility for login timeout checks to NetworkSession instead of Server

src/pocketmine/network/Network.php

@@ -29,6 +29,7 @@ namespace pocketmine\network;
 use pocketmine\event\server\NetworkInterfaceCrashEvent;
 use pocketmine\event\server\NetworkInterfaceRegisterEvent;
 use pocketmine\event\server\NetworkInterfaceUnregisterEvent;
+use pocketmine\network\mcpe\NetworkSession;
 use pocketmine\network\mcpe\protocol\PacketPool;
 use pocketmine\Server;
 
@@ -48,6 +49,9 @@ class Network{
 	/** @var string */
 	private $name;
 
+	/** @var NetworkSession[] */
+	private $updateSessions = [];
+
 	public function __construct(Server $server){
 		PacketPool::init();
 
@@ -80,7 +84,7 @@ class Network{
 		return $this->interfaces;
 	}
 
-	public function tickInterfaces() : void{
+	public function tick() : void{
 		foreach($this->interfaces as $interface){
 			try{
 				$interface->tick();
@@ -97,6 +101,12 @@ class Network{
 				$logger->critical($this->server->getLanguage()->translateString("pocketmine.server.networkError", [get_class($interface), $e->getMessage()]));
 			}
 		}
+
+		foreach($this->updateSessions as $k => $session){
+			if(!$session->isConnected() or !$session->tick()){
+				unset($this->updateSessions[$k]);
+			}
+		}
 	}
 
 	/**
@@ -183,4 +193,8 @@ class Network{
 			$interface->unblockAddress($address);
 		}
 	}
+
+	public function scheduleSessionTick(NetworkSession $session) : void{
+		$this->updateSessions[spl_object_hash($session)] = $session;
+	}
 }