(PECL zookeeper >= 0.1.0)
Represents ZooKeeper session.
Zookeeper::PERM_READ
Can read nodes value and list its children
Zookeeper::PERM_WRITE
Can set the nodes value
Zookeeper::PERM_CREATE
Can create children
Zookeeper::PERM_DELETE
Can delete children
Zookeeper::PERM_ADMIN
Can execute set_acl()
Zookeeper::PERM_ALL
All of the above flags ORd together
Zookeeper::EPHEMERAL
If Zookeeper::EPHEMERAL flag is set, the node will automatically get removed if the client session goes away.
Zookeeper::SEQUENCE
If the Zookeeper::SEQUENCE flag is set, a unique monotonically increasing sequence number is appended to the path name. The sequence number is always fixed length of 10 digits, 0 padded.
Zookeeper::LOG_LEVEL_ERROR
Outputs only error mesages
Zookeeper::LOG_LEVEL_WARN
Outputs errors/warnings
Zookeeper::LOG_LEVEL_INFO
Outputs big action messages besides errors/warnings
Zookeeper::LOG_LEVEL_DEBUG
Outputs all
Zookeeper::EXPIRED_SESSION_STATE
Connected but session expired
Zookeeper::AUTH_FAILED_STATE
Connected but auth failed
Zookeeper::CONNECTING_STATE
Connecting
Zookeeper::ASSOCIATING_STATE
Associating
Zookeeper::CONNECTED_STATE
Connected
Zookeeper::READONLY_STATE
TODO: help us improve this extension.
Zookeeper::NOTCONNECTED_STATE
Connection failed
Zookeeper::CREATED_EVENT
A node has been created
This is only generated by watches on non-existent nodes. These watches are set using Zookeeper::exists.
Zookeeper::DELETED_EVENT
A node has been deleted
This is only generated by watches on nodes. These watches are set using Zookeeper::exists and Zookeeper::get.
Zookeeper::CHANGED_EVENT
A node has changed
This is only generated by watches on nodes. These watches are set using Zookeeper::exists and Zookeeper::get.
Zookeeper::CHILD_EVENT
A change as occurred in the list of children
This is only generated by watches on the child list of a node. These watches are set using Zookeeper::getChildren.
Zookeeper::SESSION_EVENT
A session has been lost
This is generated when a client loses contact or reconnects with a server.
Zookeeper::NOTWATCHING_EVENT
A watch has been removed
This is generated when the server for some reason, probably a resource constraint, will no longer watch a node for a client.
Zookeeper::SYSTEMERROR
This is never thrown by the server, it shouldn't be used other than to indicate a range. Specifically error codes greater than this value, but lesser than Zookeeper::APIERROR, are system errors.
Zookeeper::RUNTIMEINCONSISTENCY
A runtime inconsistency was found.
Zookeeper::DATAINCONSISTENCY
A data inconsistency was found.
Zookeeper::CONNECTIONLOSS
Connection to the server has been lost.
Zookeeper::MARSHALLINGERROR
Error while marshalling or unmarshalling data.
Zookeeper::UNIMPLEMENTED
Operation is unimplemented.
Zookeeper::OPERATIONTIMEOUT
Operation timeout.
Zookeeper::BADARGUMENTS
Invalid arguments.
Zookeeper::INVALIDSTATE
Invalid zhandle state.
Zookeeper::NEWCONFIGNOQUORUM
No quorum of new config is connected and up-to-date with the leader of last committed config - try invoking reconfiguration after new servers are connected and synced.
Available as of ZooKeeper 3.5.0
Zookeeper::RECONFIGINPROGRESS
Reconfiguration requested while another reconfiguration is currently in progress. This is currently not supported. Please retry.
Available as of ZooKeeper 3.5.0
Zookeeper::OK
Everything is OK.
Zookeeper::APIERROR
This is never thrown by the server, it shouldn't be used other than to indicate a range. Specifically error codes greater than this value are API errors (while values less than this indicate a Zookeeper::SYSTEMERROR).
Zookeeper::NONODE
Node does not exist.
Zookeeper::NOAUTH
Not authenticated.
Zookeeper::BADVERSION
Version conflict.
Zookeeper::NOCHILDRENFOREPHEMERALS
Ephemeral nodes may not have children.
Zookeeper::NODEEXISTS
The node already exists.
Zookeeper::NOTEMPTY
The node has children.
Zookeeper::SESSIONEXPIRED
The session has been expired by the server.
Zookeeper::INVALIDCALLBACK
Invalid callback specified.
Zookeeper::INVALIDACL
Invalid ACL specified.
Zookeeper::AUTHFAILED
Client authentication failed.
Zookeeper::CLOSING
ZooKeeper is closing.
Zookeeper::NOTHING
(not error) No server responses to process.
Zookeeper::SESSIONMOVED
Session moved to another server, so operation is ignored.
Zookeeper::NOTREADONLY
State-changing request is passed to read-only server.
Zookeeper::EPHEMERALONLOCALSESSION
Attempt to create ephemeral node on a local session.
Zookeeper::NOWATCHER
The watcher couldn't be found.
Zookeeper::RECONFIGDISABLED
Attempts to perform a reconfiguration operation when reconfiguration feature is disabled.