WildFly 38 Model Reference

UDP

Runtime only resource This resource is runtime only and doesn't have any persistent configuration.

Attributes (61)

after_creation_hook Fully qualified name of a class implementing ProtocolHook, will be called after creation of the protocol (before init())

Attribute	Value
Type	STRING
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

bind_addr The bind address which should be used by this transport. The following special values are also recognized: GLOBAL, SITE_LOCAL, LINK_LOCAL, NON_LOOPBACK, match-interface, match-host, match-address

Attribute	Value
Type	STRING
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

bind_port The port to which the transport binds. Default of 0 binds to any (ephemeral) port. See also port_range

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

bundler_class Fully qualified classname of bundler

Attribute	Value
Type	STRING
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

bundler_type The type of bundler used ("ring-buffer", "transfer-queue" (default), "sender-sends" or "no-bundler") or the fully qualified classname of a Bundler implementation

Attribute	Value
Type	STRING
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

cluster_name Name of the cluster to which this transport is connected

Attribute	Value
Type	STRING
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

different_cluster_messages Number of messages from members in a different cluster

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

different_version_messages Number of messages from members with a different JGroups version

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

disable_loopback If true, disables IP_MULTICAST_LOOP on the MulticastSocket (for sending and receiving of multicast packets). IP multicast packets send on a host P will therefore not be received by anyone on P. Use with caution.

Attribute	Value
Type	BOOLEAN
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

dropped_messages Number of messages dropped when sending because of insufficient buffer space

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

ergonomics Enables ergonomics: dynamically find the best values for properties at runtime

Attribute	Value
Type	BOOLEAN
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

external_addr Use "external_addr" if you have hosts on different networks, behind firewalls. On each firewall, set up a port forwarding rule (sometimes called "virtual server") to the local IP (e.g. 192.168.1.100) of the host then on each host, set "external_addr" TCP transport parameter to the external (public IP) address of the firewall.

Attribute	Value
Type	STRING
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

external_port Used to map the internal port (bind_port) to an external port. Only used if > 0

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

id Give the protocol a different ID if needed so we can have multiple instances of it in the same stack

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

ip_mcast Multicast toggle. If false multiple unicast datagrams are sent instead of one multicast. Default is true

Attribute	Value
Type	BOOLEAN
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

ip_ttl The time-to-live (TTL) for multicast datagram packets. Default is 8

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

is_trace tracing is enabled or disabled for the given log

Attribute	Value
Type	BOOLEAN
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

level logger level (see javadocs)

Attribute	Value
Type	STRING
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

local_addr The local address of this member

Attribute	Value
Type	STRING
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

local_physical_address The physical address of the channel

Attribute	Value
Type	STRING
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

local_transport_class The fully qualified name of a class implementing LocalTransport

Attribute	Value
Type	STRING
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

log_discard_msgs whether or not warnings about messages from different groups are logged

Attribute	Value
Type	BOOLEAN
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

log_discard_msgs_version whether or not warnings about messages from members with a different version are discarded

Attribute	Value
Type	BOOLEAN
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

logger_type Type of logger used

Attribute	Value
Type	STRING
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

logical_addr_cache_expiration Time (in ms) after which entries in the logical address cache marked as removable can be removed. 0 never removes any entries (not recommended)

Attribute	Value
Type	LONG
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

logical_addr_cache_max_size Max number of elements in the logical address cache before eviction starts

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

logical_addr_cache_reaper_interval Interval (in ms) at which the reaper task scans logical_addr_cache and removes entries marked as removable. 0 disables reaping.

Attribute	Value
Type	LONG
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

logical_address_cache_reaper_running Is the logical_addr_cache reaper task running

Attribute	Value
Type	BOOLEAN
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

mcast_addr The multicast address used for sending and receiving packets

Attribute	Value
Type	STRING
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

mcast_port The multicast port used for sending and receiving packets. Default is 7600

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

mcast_receiver_threads Number of multicast receiver threads, all reading from the same MulticastSocket. If de-serialization is slow, increasing the number of receiver threads might yield better performance.

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

mcast_recv_buf_size Receive buffer size of the multicast datagram socket

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

mcast_send_buf_size Send buffer size of the multicast datagram socket

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

message_processing_policy The fully qualified name of a class implementing MessageProcessingPolicy

Attribute	Value
Type	STRING
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

num_mcast_msgs_received

Attribute	Value
Type	LONG
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

num_mcast_msgs_sent

Attribute	Value
Type	LONG
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

num_rejected_msgs

Attribute	Value
Type	LONG
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

num_threads Returns the number of live threads in the JVM

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

num_ucast_msgs_received

Attribute	Value
Type	LONG
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

num_ucast_msgs_sent

Attribute	Value
Type	LONG
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

number_of_thread_dumps

Attribute	Value
Type	LONG
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

policies The list of policies

Attribute	Value
Type	STRING
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

port_range The range of valid ports: [bind_port .. bind_port+port_range ]. 0 only binds to bind_port and fails if taken

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

receive_interfaces Comma delimited list of interfaces (IP addresses or interface names) to receive multicasts on

Attribute	Value
Type	STRING
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

receive_on_all_interfaces If true, the transport should use all available interfaces to receive multicast messages

Attribute	Value
Type	BOOLEAN
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

stats Determines whether to collect statistics (and expose them via JMX). Default is true

Attribute	Value
Type	BOOLEAN
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

suppress_time_different_cluster_warnings Time during which identical warnings about messages from a member from a different cluster will be suppressed. 0 disables this (every warning will be logged). Setting the log level to ERROR also disables this.

Attribute	Value
Type	LONG
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

suppress_time_different_version_warnings Time during which identical warnings about messages from a member with a different version will be suppressed. 0 disables this (every warning will be logged). Setting the log level to ERROR also disables this.

Attribute	Value
Type	LONG
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

suppress_time_out_of_buffer_space Suppresses warnings on Mac OS (for now) about not enough buffer space when sending a datagram packet

Attribute	Value
Type	LONG
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

thread_naming_pattern Thread naming pattern for threads in this channel. Valid values are "cl": "c": includes the cluster name, e.g. "MyCluster", "l": includes the local address of the current member, e.g. "A"

Attribute	Value
Type	STRING
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

time_service_interval Interval (in ms) at which the time service updates its timestamp. 0 disables the time service

Attribute	Value
Type	LONG
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

timer_class Class of the timer implementation

Attribute	Value
Type	STRING
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

timer_handle_non_blocking_tasks If enabled, the timer will run non-blocking tasks on its own (runner) thread, and not submit them to the thread pool. Otherwise, all tasks are submitted to the thread pool. This attribute is experimental and may be removed without notice.

Attribute	Value
Type	BOOLEAN
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

timer_tasks Number of timer tasks queued up for execution

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

timer_threads Number of threads currently in the pool

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

tos Traffic class for sending unicast and multicast datagrams

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

ucast_receiver_threads Number of unicast receiver threads, all reading from the same DatagramSocket. If de-serialization is slow, increasing the number of receiver threads might yield better performance.

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

ucast_recv_buf_size Receive buffer size of the unicast datagram socket

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

ucast_send_buf_size Send buffer size of the unicast datagram socket

Attribute	Value
Type	INT
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

use_vthreads If true, create virtual threads, otherwise create native threads

Attribute	Value
Type	BOOLEAN
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default

who_has_cache_timeout Timeout (in ms) to determine how long to wait until a request to fetch the physical address for a given logical address will be sent again. Subsequent requests for the same physical address will therefore be spaced at least who_has_cache_timeout ms apart

Attribute	Value
Type	LONG
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only
Stability	default