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• Link.txt

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com.gemstone.org.jgroups.blocks.Link.txt Maven / Gradle / Ivy

Incoming connection
-------------------

- created by accept()

- closed upon read() failure on incoming (IOException, EOFException)

- closed by missing heartbeats (Heartbeat)

- closed when peer with address different from expected connects
  (connection rejected)


Outgoing connection
-------------------

- created when Link is started

- created after creation of incoming (upon accept()). not created if
  already exists

- created by ConnectionEstablisher. not created if already exists

- closed upon write() failure on outgoing

- closed by missing heartbeats (Heartbeat)


Heartbeat
---------

- monitors outgoing by periodically writing to it (heartbeats)

- started upon creation of outgoing

- stopped upon closing of outgoing (write-failure, heartbeat failure)


ConnectionEstablisher
---------------------

- attempts to periodically create outgoing connection (when down)

- started when outgoing goes (is) down

- stopped when outgoing is up