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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,189 @@ | ||
| package io.anuke.mindustry.net; | ||
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| import io.anuke.arc.*; | ||
| import io.anuke.arc.collection.*; | ||
| import io.anuke.arc.function.*; | ||
| import io.anuke.arc.net.*; | ||
| import io.anuke.arc.util.async.*; | ||
| import io.anuke.arc.util.pooling.*; | ||
| import io.anuke.mindustry.net.Net.*; | ||
| import io.anuke.mindustry.net.Packets.*; | ||
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|
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| import java.io.*; | ||
| import java.net.*; | ||
| import java.nio.*; | ||
| import java.nio.channels.*; | ||
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| import static io.anuke.mindustry.Vars.*; | ||
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| public class ArcNetClient implements ClientProvider{ | ||
| final Client client; | ||
| final Supplier<DatagramPacket> packetSupplier = () -> new DatagramPacket(new byte[256], 256); | ||
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| public ArcNetClient(){ | ||
| client = new Client(8192, 4096, new PacketSerializer()); | ||
| client.setDiscoveryPacket(packetSupplier); | ||
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| NetListener listener = new NetListener(){ | ||
| @Override | ||
| public void connected(Connection connection){ | ||
| Connect c = new Connect(); | ||
| c.addressTCP = connection.getRemoteAddressTCP().getAddress().getHostAddress(); | ||
| c.id = connection.getID(); | ||
| if(connection.getRemoteAddressTCP() != null) c.addressTCP = connection.getRemoteAddressTCP().toString(); | ||
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| Core.app.post(() -> Net.handleClientReceived(c)); | ||
| } | ||
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| @Override | ||
| public void disconnected(Connection connection){ | ||
| if(connection.getLastProtocolError() != null){ | ||
| netClient.setQuiet(); | ||
| } | ||
|
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| Disconnect c = new Disconnect(); | ||
| Core.app.post(() -> Net.handleClientReceived(c)); | ||
| } | ||
|
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| @Override | ||
| public void received(Connection connection, Object object){ | ||
| if(object instanceof FrameworkMessage) return; | ||
|
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| Core.app.post(() -> { | ||
| try{ | ||
| Net.handleClientReceived(object); | ||
| }catch(Exception e){ | ||
| handleException(e); | ||
| } | ||
| }); | ||
|
|
||
| } | ||
| }; | ||
|
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| client.addListener(listener); | ||
| } | ||
|
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| private static boolean isLocal(InetAddress addr){ | ||
| if(addr.isAnyLocalAddress() || addr.isLoopbackAddress()) return true; | ||
|
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| try{ | ||
| return NetworkInterface.getByInetAddress(addr) != null; | ||
| }catch(Exception e){ | ||
| return false; | ||
| } | ||
| } | ||
|
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| @Override | ||
| public void connect(String ip, int port, Runnable success){ | ||
| Threads.daemon(() -> { | ||
| try{ | ||
| //just in case | ||
| client.stop(); | ||
|
|
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| Threads.daemon("Net Client", () -> { | ||
| try{ | ||
| client.run(); | ||
| }catch(Exception e){ | ||
| if(!(e instanceof ClosedSelectorException)) handleException(e); | ||
| } | ||
| }); | ||
|
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| client.connect(5000, ip, port, port); | ||
| success.run(); | ||
| }catch(Exception e){ | ||
| handleException(e); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| @Override | ||
| public void disconnect(){ | ||
| client.close(); | ||
| } | ||
|
|
||
| @Override | ||
| public void send(Object object, SendMode mode){ | ||
| try{ | ||
| if(mode == SendMode.tcp){ | ||
| client.sendTCP(object); | ||
| }else{ | ||
| client.sendUDP(object); | ||
| } | ||
| //sending things can cause an under/overflow, catch it and disconnect instead of crashing | ||
| }catch(BufferOverflowException | BufferUnderflowException e){ | ||
| Net.showError(e); | ||
| } | ||
|
|
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| Pools.free(object); | ||
| } | ||
|
|
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| @Override | ||
| public void updatePing(){ | ||
| client.updateReturnTripTime(); | ||
| } | ||
|
|
||
| @Override | ||
| public int getPing(){ | ||
| return client.getReturnTripTime(); | ||
| } | ||
|
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| @Override | ||
| public void pingHost(String address, int port, Consumer<Host> valid, Consumer<Exception> invalid){ | ||
| Threads.daemon(() -> { | ||
| try{ | ||
| DatagramSocket socket = new DatagramSocket(); | ||
| socket.send(new DatagramPacket(new byte[]{-2, 1}, 2, InetAddress.getByName(address), port)); | ||
| socket.setSoTimeout(2000); | ||
|
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| DatagramPacket packet = packetSupplier.get(); | ||
| socket.receive(packet); | ||
|
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| ByteBuffer buffer = ByteBuffer.wrap(packet.getData()); | ||
| Host host = NetworkIO.readServerData(packet.getAddress().getHostAddress(), buffer); | ||
|
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| Core.app.post(() -> valid.accept(host)); | ||
| }catch(Exception e){ | ||
| Core.app.post(() -> invalid.accept(e)); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| @Override | ||
| public void discover(Consumer<Host> callback, Runnable done){ | ||
| Array<InetAddress> foundAddresses = new Array<>(); | ||
| client.discoverHosts(port, multicastGroup, multicastPort, 3000, packet -> { | ||
| Core.app.post(() -> { | ||
| try{ | ||
| if(foundAddresses.contains(address -> address.equals(packet.getAddress()) || (isLocal(address) && isLocal(packet.getAddress())))){ | ||
| return; | ||
| } | ||
| ByteBuffer buffer = ByteBuffer.wrap(packet.getData()); | ||
| Host host = NetworkIO.readServerData(packet.getAddress().getHostAddress(), buffer); | ||
| callback.accept(host); | ||
| foundAddresses.add(packet.getAddress()); | ||
| }catch(Exception e){ | ||
| //don't crash when there's an error pinging a a server or parsing data | ||
| e.printStackTrace(); | ||
| } | ||
| }); | ||
| }, () -> Core.app.post(done)); | ||
| } | ||
|
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||
| @Override | ||
| public void dispose(){ | ||
| try{ | ||
| client.dispose(); | ||
| }catch(IOException e){ | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
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| private void handleException(Exception e){ | ||
| if(e instanceof ArcNetException){ | ||
| Core.app.post(() -> Net.showError(new IOException("mismatch"))); | ||
| }else{ | ||
| Core.app.post(() -> Net.showError(e)); | ||
| } | ||
| } | ||
|
|
||
| } |
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