io.aeron.driver.media

Class WildcardPortManager

java.lang.Object

io.aeron.driver.media.WildcardPortManager

All Implemented Interfaces:

PortManager

public class WildcardPortManager
extends Object
implements PortManager

Class for managing wildcard ports for UDP channel transports within a specific range.

Does not track per interface, but as a range over all interfaces.

Field Summary

Fields

Modifier and Type	Field and Description
static int[]	EMPTY_PORT_RANGE

Constructor Summary

Constructors

Constructor and Description
WildcardPortManager(int[] portRange, boolean isSender) Instantiate a wildcard port manager with the given port range.

Method Summary

Modifier and Type	Method and Description
void	freeManagedPort(InetSocketAddress bindAddress) Called after the bound socket is to be closed.
InetSocketAddress	getManagedPort(UdpChannel udpChannel, InetSocketAddress bindAddress) Called before an OS bind to adjust the binded address and to notify of the bind for the port manager.
static int[]	parsePortRange(String value) Parse a port range in the format "low high".

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY_PORT_RANGE

public static final int[] EMPTY_PORT_RANGE

Constructor Detail

WildcardPortManager

public WildcardPortManager(int[] portRange,
                           boolean isSender)

Instantiate a wildcard port manager with the given port range.

Parameters:

portRange - for the port manager

isSender - for this port manager

Method Detail

getManagedPort

public InetSocketAddress getManagedPort(UdpChannel udpChannel,
                                        InetSocketAddress bindAddress)
                                 throws BindException

Called before an OS bind to adjust the binded address and to notify of the bind for the port manager.

Specified by:

getManagedPort in interface PortManager

Parameters:

udpChannel - for the UDP endpoint being bound.

bindAddress - for the bind.

Returns:

InetSocketAddress to use for the bind.

Throws:

BindException - if the bind should not be performed.

freeManagedPort

public void freeManagedPort(InetSocketAddress bindAddress)

Called after the bound socket is to be closed.

Specified by:

freeManagedPort in interface PortManager

Parameters:

bindAddress - used for the bind previously.

parsePortRange

public static int[] parsePortRange(String value)

Parse a port range in the format "low high".

Parameters:

value - for the port range in string format.

Returns:

port range as low index 0 and high index 1.