Package org.drasyl.channel

Class TraversingDrasylServerChannelInitializer

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

io.netty.channel.ChannelInitializer<DrasylServerChannel>

org.drasyl.channel.RelayOnlyDrasylServerChannelInitializer

org.drasyl.channel.TraversingDrasylServerChannelInitializer

All Implemented Interfaces:

io.netty.channel.ChannelHandler, io.netty.channel.ChannelInboundHandler

@UnstableApi
public class TraversingDrasylServerChannelInitializer
extends RelayOnlyDrasylServerChannelInitializer

A ChannelInitializer for DrasylServerChannels that tries to traverse (if any) NATs with a fallback to relaying all messages through super peers.

Nested Class Summary

Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler

io.netty.channel.ChannelHandler.Sharable

Field Summary

Fields

Modifier and Type	Field	Description
static final int	PING_COMMUNICATION_TIMEOUT_MILLIS

Fields inherited from class org.drasyl.channel.RelayOnlyDrasylServerChannelInitializer

BIND_PORT, bindAddress, identity, LOOPBACK_HANDLER, MAX_PEERS, MAX_TIME_OFFSET_MILLIS, maxPeers, maxTimeOffsetMillis, NETWORK_ID, networkId, PING_INTERVAL_MILLIS, PING_TIMEOUT_MILLIS, pingIntervalMillis, pingTimeoutMillis, protocolArmEnabled, SUPER_PEERS, superPeers, UNARMED_MESSAGE_DECODER

Constructor Summary

Constructors

Constructor	Description
TraversingDrasylServerChannelInitializer(Identity identity, io.netty.channel.EventLoopGroup udpServerGroup)	Creates a new channel initializer with default values for bindPort, networkId, superPeers, pingIntervalMillis, pingTimeoutMillis, maxTimeOffsetMillis, maxPeers, pingCommunicationTimeoutMillis, and enabled control plane message arming.
TraversingDrasylServerChannelInitializer(Identity identity, io.netty.channel.EventLoopGroup udpServerGroup, int bindPort)	Creates a new channel initializer with default values for networkId, superPeers, pingIntervalMillis, pingTimeoutMillis, maxTimeOffsetMillis, maxPeers, pingCommunicationTimeoutMillis, and enabled control plane message arming.
TraversingDrasylServerChannelInitializer(Identity identity, io.netty.channel.EventLoopGroup udpServerGroup, InetSocketAddress bindAddress)	Creates a new channel initializer with default values for networkId, superPeers, pingIntervalMillis, pingTimeoutMillis, maxTimeOffsetMillis, maxPeers, pingCommunicationTimeoutMillis, and enabled control plane message arming.
TraversingDrasylServerChannelInitializer(Identity identity, io.netty.channel.EventLoopGroup udpServerGroup, InetSocketAddress bindAddress, int networkId, Map<IdentityPublicKey,InetSocketAddress> superPeers)	Creates a new channel initializer with default values for pingIntervalMillis, pingTimeoutMillis, maxTimeOffsetMillis, maxPeers, pingCommunicationTimeoutMillis, and enabled control plane message arming.
TraversingDrasylServerChannelInitializer(Identity identity, io.netty.channel.EventLoopGroup udpServerGroup, InetSocketAddress bindAddress, int networkId, Map<IdentityPublicKey,InetSocketAddress> superPeers, boolean protocolArmEnabled)	Creates a new channel initializer with default values for pingIntervalMillis, pingTimeoutMillis, maxTimeOffsetMillis, maxPeers, and pingCommunicationTimeoutMillis.
TraversingDrasylServerChannelInitializer(Identity identity, io.netty.channel.EventLoopGroup udpServerGroup, InetSocketAddress bindAddress, int networkId, Map<IdentityPublicKey,InetSocketAddress> superPeers, boolean protocolArmEnabled, int pingIntervalMillis, int pingTimeoutMillis, int maxTimeOffsetMillis, int maxPeers, int pingCommunicationTimeoutMillis)

Method Summary

Modifier and Type	Method	Description
protected void	initChannel(DrasylServerChannel ch)

Methods inherited from class io.netty.channel.ChannelInitializer

channelRegistered, exceptionCaught, handlerAdded, handlerRemoved

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelInactive, channelRead, channelReadComplete, channelUnregistered, channelWritabilityChanged, userEventTriggered

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

ensureNotSharable, isSharable

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

PING_COMMUNICATION_TIMEOUT_MILLIS

public static final int PING_COMMUNICATION_TIMEOUT_MILLIS

See Also:

• Constant Field Values

Constructor Details

TraversingDrasylServerChannelInitializer

public TraversingDrasylServerChannelInitializer(Identity identity,
 io.netty.channel.EventLoopGroup udpServerGroup,
 InetSocketAddress bindAddress,
 int networkId,
 Map<IdentityPublicKey,InetSocketAddress> superPeers,
 boolean protocolArmEnabled,
 int pingIntervalMillis,
 int pingTimeoutMillis,
 int maxTimeOffsetMillis,
 int maxPeers,
 int pingCommunicationTimeoutMillis)

Parameters:

identity - own identity

udpServerGroup - the EventLoopGroup the underlying udp server should run on

bindAddress - address the UDP server will bind to. Default value: 0.0.0.0:RelayOnlyDrasylServerChannelInitializer.BIND_PORT

networkId - the network we belong to. Default value: RelayOnlyDrasylServerChannelInitializer.NETWORK_ID

superPeers - list of super peers we register to. Default value: RelayOnlyDrasylServerChannelInitializer.SUPER_PEERS

protocolArmEnabled - if true all control plane messages will be encrypted/authenticated. Default value: true

pingIntervalMillis - interval in millis between a ping. Default value: RelayOnlyDrasylServerChannelInitializer.PING_INTERVAL_MILLIS

pingTimeoutMillis - time in millis without ping response before a peer is assumed as unreachable. Default value: RelayOnlyDrasylServerChannelInitializer.PING_TIMEOUT_MILLIS

maxTimeOffsetMillis - time millis offset of received messages' timestamp before discarding them. Default value: RelayOnlyDrasylServerChannelInitializer.MAX_TIME_OFFSET_MILLIS

maxPeers - maximum number of peers to which a traversed connection should be maintained at the same time. Default value: RelayOnlyDrasylServerChannelInitializer.MAX_PEERS

pingCommunicationTimeoutMillis - time in millis a traversed connection to a peer will be discarded without application traffic. Default value: PING_COMMUNICATION_TIMEOUT_MILLIS

TraversingDrasylServerChannelInitializer

public TraversingDrasylServerChannelInitializer(Identity identity,
 io.netty.channel.EventLoopGroup udpServerGroup,
 InetSocketAddress bindAddress,
 int networkId,
 Map<IdentityPublicKey,InetSocketAddress> superPeers,
 boolean protocolArmEnabled)

Creates a new channel initializer with default values for pingIntervalMillis, pingTimeoutMillis, maxTimeOffsetMillis, maxPeers, and pingCommunicationTimeoutMillis.

Parameters:

identity - own identity

udpServerGroup - the EventLoopGroup the underlying udp server should run on

bindAddress - address the UDP server will bind to. Default value: 0.0.0.0:RelayOnlyDrasylServerChannelInitializer.BIND_PORT

networkId - the network we belong to. Default value: RelayOnlyDrasylServerChannelInitializer.NETWORK_ID

superPeers - list of super peers we register to. Default value: RelayOnlyDrasylServerChannelInitializer.SUPER_PEERS

protocolArmEnabled - if true all control plane messages will be encrypted/authenticated. Default value: true

TraversingDrasylServerChannelInitializer

public TraversingDrasylServerChannelInitializer(Identity identity,
 io.netty.channel.EventLoopGroup udpServerGroup,
 InetSocketAddress bindAddress,
 int networkId,
 Map<IdentityPublicKey,InetSocketAddress> superPeers)

Creates a new channel initializer with default values for pingIntervalMillis, pingTimeoutMillis, maxTimeOffsetMillis, maxPeers, pingCommunicationTimeoutMillis, and enabled control plane message arming.

Parameters:

identity - own identity

udpServerGroup - the EventLoopGroup the underlying udp server should run on

bindAddress - address the UDP server will bind to. Default value: 0.0.0.0:RelayOnlyDrasylServerChannelInitializer.BIND_PORT

networkId - the network we belong to. Default value: RelayOnlyDrasylServerChannelInitializer.NETWORK_ID

superPeers - list of super peers we register to. Default value: RelayOnlyDrasylServerChannelInitializer.SUPER_PEERS

TraversingDrasylServerChannelInitializer

public TraversingDrasylServerChannelInitializer(Identity identity,
 io.netty.channel.EventLoopGroup udpServerGroup,
 InetSocketAddress bindAddress)

Creates a new channel initializer with default values for networkId, superPeers, pingIntervalMillis, pingTimeoutMillis, maxTimeOffsetMillis, maxPeers, pingCommunicationTimeoutMillis, and enabled control plane message arming.

Parameters:

identity - own identity

udpServerGroup - the EventLoopGroup the underlying udp server should run on

bindAddress - address the UDP server will bind to. Default value: 0.0.0.0:RelayOnlyDrasylServerChannelInitializer.BIND_PORT

TraversingDrasylServerChannelInitializer

public TraversingDrasylServerChannelInitializer(Identity identity,
 io.netty.channel.EventLoopGroup udpServerGroup,
 int bindPort)

Creates a new channel initializer with default values for networkId, superPeers, pingIntervalMillis, pingTimeoutMillis, maxTimeOffsetMillis, maxPeers, pingCommunicationTimeoutMillis, and enabled control plane message arming.

Parameters:

identity - own identity

udpServerGroup - the EventLoopGroup the underlying udp server should run on

bindPort - port the UDP server will bind to. Default value: RelayOnlyDrasylServerChannelInitializer.BIND_PORT

TraversingDrasylServerChannelInitializer

public TraversingDrasylServerChannelInitializer(Identity identity,
 io.netty.channel.EventLoopGroup udpServerGroup)

Creates a new channel initializer with default values for bindPort, networkId, superPeers, pingIntervalMillis, pingTimeoutMillis, maxTimeOffsetMillis, maxPeers, pingCommunicationTimeoutMillis, and enabled control plane message arming.

Parameters:

identity - own identity

udpServerGroup - the EventLoopGroup the underlying udp server should run on

Method Details

initChannel

protected void initChannel(DrasylServerChannel ch)

Overrides:

initChannel in class RelayOnlyDrasylServerChannelInitializer