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package net.ME1312.SubServers.Client.Bukkit.Network ;
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import net.ME1312.SubServers.Client.Bukkit.Event.SubNetworkConnectEvent ;
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import net.ME1312.SubServers.Client.Bukkit.Event.SubNetworkDisconnectEvent ;
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import net.ME1312.SubServers.Client.Bukkit.Library.Config.YAMLSection ;
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import net.ME1312.SubServers.Client.Bukkit.Library.Exception.IllegalPacketException ;
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import net.ME1312.SubServers.Client.Bukkit.Library.NamedContainer ;
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import net.ME1312.SubServers.Client.Bukkit.Library.Util ;
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import net.ME1312.SubServers.Client.Bukkit.Library.Version.Version ;
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import net.ME1312.SubServers.Client.Bukkit.Network.Encryption.AES ;
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import net.ME1312.SubServers.Client.Bukkit.Network.Packet.* ;
import net.ME1312.SubServers.Client.Bukkit.SubPlugin ;
import org.bukkit.Bukkit ;
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import org.msgpack.core.MessageInsufficientBufferException ;
import org.msgpack.core.MessagePack ;
import org.msgpack.core.MessagePacker ;
import org.msgpack.core.MessageUnpacker ;
import org.msgpack.value.Value ;
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import org.yaml.snakeyaml.error.YAMLException ;
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import java.io.* ;
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import java.lang.reflect.InvocationTargetException ;
import java.net.InetAddress ;
import java.net.Socket ;
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import java.net.SocketException ;
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import java.nio.charset.StandardCharsets ;
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import java.util.* ;
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/ * *
* SubData Direct Client Class
* /
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public final class SubDataClient {
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private static HashMap < Class < ? extends PacketOut > , NamedContainer < String , String > > pOut = new HashMap < Class < ? extends PacketOut > , NamedContainer < String , String > > ( ) ;
private static HashMap < String , HashMap < String , List < PacketIn > > > pIn = new HashMap < String , HashMap < String , List < PacketIn > > > ( ) ;
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private static HashMap < String , Cipher > ciphers = new HashMap < String , Cipher > ( ) ;
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private static boolean defaults = false ;
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private MessagePacker out ;
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private NamedContainer < Boolean , Socket > socket ;
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private String name ;
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private Cipher cipher ;
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private String password ;
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private SubPlugin plugin ;
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private LinkedList < NamedContainer < String , PacketOut > > queue ;
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/ * *
* SubServers Client Instance
*
* @param plugin SubPlugin
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* @param name Server Name
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* @param address Address
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* @param port Port
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* @param cipher Cipher
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* @throws IOException
* /
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public SubDataClient ( SubPlugin plugin , String name , InetAddress address , int port , Cipher cipher ) throws IOException {
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if ( Util . isNull ( plugin , address , port ) ) throw new NullPointerException ( ) ;
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socket = new NamedContainer < > ( false , new Socket ( address , port ) ) ;
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this . plugin = plugin ;
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this . name = ( name = = null | | name . length ( ) > 0 ) ? name : null ;
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this . out = MessagePack . newDefaultPacker ( socket . get ( ) . getOutputStream ( ) ) ;
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this . queue = new LinkedList < NamedContainer < String , PacketOut > > ( ) ;
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this . password = plugin . config . get ( ) . getSection ( " Settings " ) . getSection ( " SubData " ) . getRawString ( " Password " ) ;
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this . cipher = ( cipher ! = null ) ? cipher : new Cipher ( ) {
@Override
public String getName ( ) {
return " NONE " ;
}
@Override
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public Value encrypt ( String key , YAMLSection data ) {
return data . msgPack ( ) ;
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}
@Override
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@SuppressWarnings ( " unchecked " )
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public YAMLSection decrypt ( String key , Value data ) {
return new YAMLSection ( data . asMapValue ( ) ) ;
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}
} ;
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if ( ! defaults ) loadDefaults ( ) ;
loop ( ) ;
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sendPacket ( new NamedContainer < > ( null , new PacketAuthorization ( plugin , password ) ) ) ;
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}
private void init ( ) {
sendPacket ( new PacketDownloadLang ( ) ) ;
while ( queue . size ( ) ! = 0 ) {
sendPacket ( queue . get ( 0 ) ) ;
queue . remove ( 0 ) ;
}
socket . rename ( true ) ;
Bukkit . getPluginManager ( ) . callEvent ( new SubNetworkConnectEvent ( this ) ) ;
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}
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static {
addCipher ( " AES " , new AES ( 128 ) ) ;
addCipher ( " AES_128 " , new AES ( 128 ) ) ;
addCipher ( " AES_192 " , new AES ( 192 ) ) ;
addCipher ( " AES_256 " , new AES ( 256 ) ) ;
} private void loadDefaults ( ) {
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defaults = true ;
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registerPacket ( new PacketAuthorization ( plugin , null ) , " SubData " , " Authorization " ) ;
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registerPacket ( new PacketCommandServer ( ) , " SubServers " , " CommandServer " ) ;
registerPacket ( new PacketCreateServer ( ) , " SubServers " , " CreateServer " ) ;
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registerPacket ( new PacketDownloadGroupInfo ( ) , " SubServers " , " DownloadGroupInfo " ) ;
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registerPacket ( new PacketDownloadHostInfo ( ) , " SubServers " , " DownloadHostInfo " ) ;
registerPacket ( new PacketDownloadLang ( plugin ) , " SubServers " , " DownloadLang " ) ;
registerPacket ( new PacketDownloadNetworkList ( ) , " SubServers " , " DownloadNetworkList " ) ;
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registerPacket ( new PacketDownloadPlatformInfo ( ) , " SubServers " , " DownloadPlatformInfo " ) ;
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registerPacket ( new PacketDownloadPlayerList ( ) , " SubServers " , " DownloadPlayerList " ) ;
registerPacket ( new PacketDownloadProxyInfo ( ) , " SubServers " , " DownloadProxyInfo " ) ;
registerPacket ( new PacketDownloadServerInfo ( ) , " SubServers " , " DownloadServerInfo " ) ;
registerPacket ( new PacketInRunEvent ( plugin ) , " SubServers " , " RunEvent " ) ;
registerPacket ( new PacketInReload ( plugin ) , " SubServers " , " Reload " ) ;
registerPacket ( new PacketInReset ( ) , " SubServers " , " Reset " ) ;
registerPacket ( new PacketLinkServer ( plugin ) , " SubServers " , " LinkServer " ) ;
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registerPacket ( new PacketRestartServer ( ) , " SubServers " , " RestartServer " ) ;
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registerPacket ( new PacketStartServer ( ) , " SubServers " , " StartServer " ) ;
registerPacket ( new PacketStopServer ( ) , " SubServers " , " StopServer " ) ;
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registerPacket ( PacketAuthorization . class , " SubData " , " Authorization " ) ;
registerPacket ( PacketCommandServer . class , " SubServers " , " CommandServer " ) ;
registerPacket ( PacketCreateServer . class , " SubServers " , " CreateServer " ) ;
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registerPacket ( PacketDownloadGroupInfo . class , " SubServers " , " DownloadGroupInfo " ) ;
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registerPacket ( PacketDownloadHostInfo . class , " SubServers " , " DownloadHostInfo " ) ;
registerPacket ( PacketDownloadLang . class , " SubServers " , " DownloadLang " ) ;
registerPacket ( PacketDownloadNetworkList . class , " SubServers " , " DownloadNetworkList " ) ;
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registerPacket ( PacketDownloadPlatformInfo . class , " SubServers " , " DownloadPlatformInfo " ) ;
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registerPacket ( PacketDownloadPlayerList . class , " SubServers " , " DownloadPlayerList " ) ;
registerPacket ( PacketDownloadProxyInfo . class , " SubServers " , " DownloadProxyInfo " ) ;
registerPacket ( PacketDownloadServerInfo . class , " SubServers " , " DownloadServerInfo " ) ;
registerPacket ( PacketLinkServer . class , " SubServers " , " LinkServer " ) ;
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registerPacket ( PacketRestartServer . class , " SubServers " , " RestartServer " ) ;
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registerPacket ( PacketStartServer . class , " SubServers " , " StartServer " ) ;
registerPacket ( PacketStopServer . class , " SubServers " , " StopServer " ) ;
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}
private void loop ( ) {
Bukkit . getScheduler ( ) . runTaskAsynchronously ( plugin , ( ) - > {
try {
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MessageUnpacker in = MessagePack . newDefaultUnpacker ( socket . get ( ) . getInputStream ( ) ) ;
Value input ;
while ( ( input = in . unpackValue ( ) ) ! = null ) {
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recieve ( input ) ;
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}
try {
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destroy ( plugin . config . get ( ) . getSection ( " Settings " ) . getSection ( " SubData " ) . getInt ( " Reconnect " , 30 ) ) ;
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} catch ( IOException e1 ) {
e1 . printStackTrace ( ) ;
}
} catch ( Exception e ) {
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if ( ! ( e instanceof SocketException | | e instanceof MessageInsufficientBufferException ) ) e . printStackTrace ( ) ;
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try {
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destroy ( plugin . config . get ( ) . getSection ( " Settings " ) . getSection ( " SubData " ) . getInt ( " Reconnect " , 30 ) ) ;
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} catch ( IOException e1 ) {
e1 . printStackTrace ( ) ;
}
}
} ) ;
}
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private void recieve ( Value input ) {
try {
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YAMLSection data = cipher . decrypt ( password , input ) ;
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for ( PacketIn packet : decodePacket ( data ) ) {
if ( plugin . isEnabled ( ) ) Bukkit . getScheduler ( ) . runTask ( plugin , ( ) - > {
try {
packet . execute ( ( data . contains ( " c " ) ) ? data . getSection ( " c " ) : null ) ;
} catch ( Throwable e ) {
new InvocationTargetException ( e , " Exception while executing PacketIn " ) . printStackTrace ( ) ;
}
} ) ;
}
} catch ( YAMLException e ) {
new IllegalPacketException ( " Unknown Packet Format: " + input ) . printStackTrace ( ) ;
} catch ( IllegalPacketException e ) {
e . printStackTrace ( ) ;
} catch ( Exception e ) {
new InvocationTargetException ( e , " Exception while decoding packet " ) . printStackTrace ( ) ;
}
}
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/ * *
* Gets the Assigned Server Name
*
* @return Server Name
* /
public String getName ( ) {
return name ;
}
/ * *
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* Gets the Client Socket
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*
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* @return Client Socket
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* /
public Socket getClient ( ) {
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return socket . get ( ) ;
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}
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/ * *
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* Add a Cipher for use by SubData
*
* @param cipher Cipher to Add
* @param handle Handle to Bind
* /
public static void addCipher ( String handle , Cipher cipher ) {
if ( Util . isNull ( cipher ) ) throw new NullPointerException ( ) ;
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if ( ciphers . keySet ( ) . contains ( handle . toUpperCase ( ) . replace ( '-' , '_' ) . replace ( ' ' , '_' ) ) ) throw new IllegalStateException ( " Cipher already exists: " + handle ) ;
ciphers . put ( handle . toUpperCase ( ) . replace ( '-' , '_' ) . replace ( ' ' , '_' ) , cipher ) ;
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}
/ * *
* Gets the Ciphers
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*
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* @return Cipher Map
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* /
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public static Map < String , Cipher > getCiphers ( ) {
return new TreeMap < > ( ciphers ) ;
}
/ * *
* Gets the Client ' s Cipher
*
* @return Cipher
* /
public Cipher getCipher ( ) {
return cipher ;
}
/ * *
* Gets a Cipher by Handle
*
* @param handle Handle
* @return Cipher
* /
public static Cipher getCipher ( String handle ) {
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return getCiphers ( ) . get ( handle . toUpperCase ( ) . replace ( '-' , '_' ) . replace ( ' ' , '_' ) ) ;
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}
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/ * *
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* Register PacketIn to the Network
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*
* @param packet PacketIn to register
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* @param channel Packet Channel
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* @param handle Handle to Bind
* /
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public static void registerPacket ( PacketIn packet , String channel , String handle ) {
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if ( Util . isNull ( packet , channel , handle ) ) throw new NullPointerException ( ) ;
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HashMap < String , List < PacketIn > > map = ( pIn . keySet ( ) . contains ( channel . toLowerCase ( ) ) ) ? pIn . get ( channel . toLowerCase ( ) ) : new HashMap < String , List < PacketIn > > ( ) ;
List < PacketIn > list = ( map . keySet ( ) . contains ( handle ) ) ? map . get ( handle ) : new ArrayList < PacketIn > ( ) ;
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if ( ! list . contains ( packet ) ) {
list . add ( packet ) ;
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map . put ( handle , list ) ;
pIn . put ( channel . toLowerCase ( ) , map ) ;
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}
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}
/ * *
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* Unregister PacketIn from the Network
*
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* @param channel Packet Channel
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* @param packet PacketIn to unregister
* /
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public static void unregisterPacket ( String channel , PacketIn packet ) {
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if ( Util . isNull ( channel , packet ) ) throw new NullPointerException ( ) ;
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if ( pIn . keySet ( ) . contains ( channel . toLowerCase ( ) ) ) {
List < String > search = new ArrayList < String > ( ) ;
search . addAll ( pIn . get ( channel . toLowerCase ( ) ) . keySet ( ) ) ;
for ( String handle : search ) if ( pIn . get ( channel . toLowerCase ( ) ) . get ( handle ) . contains ( packet ) ) {
List < PacketIn > list = pIn . get ( channel . toLowerCase ( ) ) . get ( handle ) ;
list . remove ( packet ) ;
if ( list . isEmpty ( ) ) {
pIn . get ( channel . toLowerCase ( ) ) . remove ( handle ) ;
if ( pIn . get ( channel . toLowerCase ( ) ) . isEmpty ( ) ) pIn . remove ( channel . toLowerCase ( ) ) ;
} else {
pIn . get ( channel . toLowerCase ( ) ) . put ( handle , list ) ;
}
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}
}
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}
/ * *
* Register PacketOut to the Network
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*
* @param packet PacketOut to register
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* @param channel Packet Channel
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* @param handle Handle to bind
* /
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public static void registerPacket ( Class < ? extends PacketOut > packet , String channel , String handle ) {
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if ( Util . isNull ( packet , channel , handle ) ) throw new NullPointerException ( ) ;
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pOut . put ( packet , new NamedContainer < String , String > ( channel . toLowerCase ( ) , handle ) ) ;
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}
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/ * *
* Unregister PacketOut to the Network
*
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* @param channel Packet Channel
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* @param packet PacketOut to unregister
* /
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public static void unregisterPacket ( String channel , Class < ? extends PacketOut > packet ) {
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if ( Util . isNull ( channel , packet ) ) throw new NullPointerException ( ) ;
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if ( pOut . keySet ( ) . contains ( packet ) & & pOut . get ( packet ) . name ( ) . equalsIgnoreCase ( channel ) ) pOut . remove ( packet ) ;
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}
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/ * *
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* Grab PacketIn Instances via handle
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*
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* @param channel Packet Channel
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* @param handle Handle
* @return PacketIn
* /
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public static List < ? extends PacketIn > getPacket ( String channel , String handle ) {
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if ( Util . isNull ( channel , handle ) ) throw new NullPointerException ( ) ;
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return new ArrayList < PacketIn > ( pIn . get ( channel . toLowerCase ( ) ) . get ( handle ) ) ;
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}
/ * *
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* Send Packet to Server
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*
* @param packet Packet to send
* /
public void sendPacket ( PacketOut packet ) {
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if ( Util . isNull ( packet ) ) throw new NullPointerException ( ) ;
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if ( socket = = null | | ! socket . name ( ) ) {
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queue . add ( new NamedContainer < > ( null , packet ) ) ;
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} else {
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sendPacket ( new NamedContainer < > ( null , packet ) ) ;
}
}
private void sendPacket ( NamedContainer < String , PacketOut > packet ) {
try {
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YAMLSection data = encodePacket ( packet . get ( ) ) ;
if ( packet . name ( ) ! = null ) data . set ( " f " , packet . name ( ) ) ;
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out . packValue ( getCipher ( ) . encrypt ( password , data ) ) ;
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out . flush ( ) ;
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} catch ( Throwable e ) {
e . printStackTrace ( ) ;
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}
}
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/ * *
* Forward Packet to Client
*
* @param packet Packet to send
* @param location Where to send
* /
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public void forwardPacket ( PacketOut packet , String location ) {
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if ( Util . isNull ( packet , location ) ) throw new NullPointerException ( ) ;
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if ( socket . get ( ) = = null | | ! socket . name ( ) ) {
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queue . add ( new NamedContainer < > ( location , packet ) ) ;
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} else {
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sendPacket ( new NamedContainer < > ( location , packet ) ) ;
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}
}
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/ * *
* Broadcast packet to all Clients
*
* @param packet Packet to send
* /
public void broadcastPacket ( PacketOut packet ) {
forwardPacket ( packet , " " ) ;
}
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/ * *
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* Encode PacketOut
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*
* @param packet PacketOut
* @return JSON Formatted Packet
* @throws IllegalPacketException
* /
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private static YAMLSection encodePacket ( PacketOut packet ) throws IllegalPacketException , InvocationTargetException {
YAMLSection data = new YAMLSection ( ) ;
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if ( ! pOut . keySet ( ) . contains ( packet . getClass ( ) ) ) throw new IllegalPacketException ( " Unknown PacketOut Channel: " + packet . getClass ( ) . getCanonicalName ( ) ) ;
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if ( packet . getVersion ( ) = = null ) throw new NullPointerException ( " PacketOut Version cannot be null: " + packet . getClass ( ) . getCanonicalName ( ) ) ;
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try {
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YAMLSection contents = packet . generate ( ) ;
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data . set ( " n " , pOut . get ( packet . getClass ( ) ) . name ( ) ) ;
data . set ( " h " , pOut . get ( packet . getClass ( ) ) . get ( ) ) ;
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data . set ( " v " , packet . getVersion ( ) ) ;
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if ( contents ! = null ) data . set ( " c " , contents ) ;
return data ;
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} catch ( Throwable e ) {
throw new InvocationTargetException ( e , " Exception while encoding packet " ) ;
}
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}
/ * *
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* Decode PacketIn
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*
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* @param data Data to Decode
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* @return PacketIn
* @throws IllegalPacketException
* @throws InvocationTargetException
* /
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private static List < PacketIn > decodePacket ( YAMLSection data ) throws IllegalPacketException , InvocationTargetException {
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if ( ! data . contains ( " n " ) | | ! data . contains ( " h " ) | | ! data . contains ( " v " ) ) throw new IllegalPacketException ( " Unknown Packet Format: " + data . toString ( ) ) ;
if ( ! pIn . keySet ( ) . contains ( data . getRawString ( " n " ) ) | | ! pIn . get ( data . getRawString ( " n " ) ) . keySet ( ) . contains ( data . getRawString ( " h " ) ) ) throw new IllegalPacketException ( " Unknown PacketIn Channel: " + data . getRawString ( " n " ) + ':' + data . getRawString ( " h " ) ) ;
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List < PacketIn > list = new ArrayList < PacketIn > ( ) ;
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for ( PacketIn packet : pIn . get ( data . getRawString ( " n " ) ) . get ( data . getRawString ( " h " ) ) ) {
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if ( packet . isCompatible ( data . getVersion ( " v " ) ) ) {
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list . add ( packet ) ;
} else {
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new IllegalPacketException ( " Packet Version Mismatch in " + data . getRawString ( " h " ) + " : " + data . getRawString ( " v " ) + " -> " + packet . getVersion ( ) . toFullString ( ) ) . printStackTrace ( ) ;
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}
}
return list ;
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}
/ * *
* Drops All Connections and Stops the SubData Listener
*
* @throws IOException
* /
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public void destroy ( int reconnect ) throws IOException {
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if ( Util . isNull ( reconnect ) ) throw new NullPointerException ( ) ;
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if ( socket . get ( ) ! = null ) {
final Socket socket = this . socket . get ( ) ;
this . socket . set ( null ) ;
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if ( ! socket . isClosed ( ) ) socket . close ( ) ;
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Bukkit . getPluginManager ( ) . callEvent ( new SubNetworkDisconnectEvent ( ) ) ;
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Bukkit . getLogger ( ) . info ( " SubServers > The SubData Connection was closed " ) ;
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if ( reconnect > 0 ) {
Bukkit . getLogger ( ) . info ( " SubServers > Attempting to reconnect in " + reconnect + " seconds " ) ;
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Bukkit . getScheduler ( ) . runTaskLaterAsynchronously ( plugin , new Runnable ( ) {
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@Override
public void run ( ) {
try {
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plugin . subdata = new SubDataClient ( plugin , name , socket . getInetAddress ( ) , socket . getPort ( ) , cipher ) ;
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while ( queue . size ( ) ! = 0 ) {
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if ( queue . get ( 0 ) . name ( ) ! = null ) {
plugin . subdata . forwardPacket ( queue . get ( 0 ) . get ( ) , queue . get ( 0 ) . name ( ) ) ;
} else {
plugin . subdata . sendPacket ( queue . get ( 0 ) . get ( ) ) ;
}
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queue . remove ( 0 ) ;
}
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} catch ( IOException e ) {
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Bukkit . getLogger ( ) . info ( " SubServers > Connection was unsuccessful, retrying in " + reconnect + " seconds " ) ;
Bukkit . getScheduler ( ) . runTaskLater ( plugin , this , reconnect * 20 ) ;
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}
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}
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} , reconnect * 20 ) ;
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}
}
}
}