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Quick Reference

— EntireX Broker ACI Programming —

Broker ACI Functions

Programs written for EntireX Broker contain instructions that specify to the Broker which functions to perform. The function's behavior is controlled by the option value and other ACI fields.

This document covers the following topics:

Overview Table
Function Descriptions
Option Descriptions
ACI Field/Function Reference Table

Overview Table

Function Name	Applicable Participant				Logon Required ⁽¹⁾	User ID Required ⁽²⁾	Minimum API Version
Function Name	Client	Server	Publisher	Subscriber	Logon Required ⁽¹⁾	User ID Required ⁽²⁾	Minimum API Version
`CONTROL_PUBLICATION`			X	X	X	X	8
`DEREGISTER`		X				X	1
`EOC`	X	X				X	1
`KERNELVERS`	X	X	X	X		X	4
`LOGOFF`	X	X	X	X	X	X	2
`LOGON`	X	X	X	X		X	2
`RECEIVE`	X	X			⁽³⁾	X	1
`RECEIVE_PUBLICATION`				X	X	X	8
`REGISTER`		X				X	1
`REPLY_ERROR`	X	X				X	8
`SEND`	X	X			⁽³⁾	X	1
`SEND_PUBLICATION`			X		X	X	8
`SETSSLPARMS`	X	X	X	X			6
`SUBSCRIBE`				X	X	X	8
`SYNCPOINT`	X	X			X⁽³⁾	X	3
`UNDO`	X	X			X	X	2
`UNSUBSCRIBE`				X	X	X	8
`VERSION`	X	X	X	X			2

Key

⁽¹⁾	Logon is a prerequisite for issuing this command. See `LOGON`.
⁽²⁾	User ID is a prerequisite for issuing this command.
⁽³⁾	The following functions require a logon when used with units of work: `RECEIVE`, `SEND`, `SYNCPOINT`.

Function Descriptions

CONTROL_PUBLICATION

This function is used to control a publication.

Option	Description
`BACKOUT`	Used by the publisher, it backs out a publication in received status. Used by the subscriber, it backs out the subscriber's reading of the publication; `RECEIVE_PUBLICATION`, `PUBLICATION-ID=NEW` will read it again.
`COMMIT`	Used by the publisher, it completes the publication, places it in accepted status and makes it available to a subscriber. Used by the subscriber, it acknowledges receipt of a publication.
`QUERY`	Used by the publisher, it returns the status of the publication specified by the `PUBLICATION-ID`.
`SETUSTATUS`	Used by the publisher, it updates the optional application-specific user status of the specified publication that is in received status.

DEREGISTER

This function is used by a server application to deregister a service from EntireX Broker. Assigned resources are deallocated. To remove multiple services, specify either SERVER-CLASS, SERVER-NAME and/or SERVICE.

Option	Description
`IMMED`	To execute a immediate deregistration, use `IMMED`. The service is removed immediately; an error code informs partners in existing conversations of this removal. Any active UOW is backedout.
`QUIESCE`	To execute a non-immediate deregistration, use `QUIESCE`. All active conversations are allowed to continue until an EOC is issued or a conversation timeout occurs. The application that issues the `DEREGISTER` function must remain active until all existing conversations are ended. No new conversations are accepted.

EOC

This function is used by a client or server and applies to conversational mode only. It is used to terminate one or more conversations. EntireX Broker accepts no additional SEND s for the conversation(s). The partner can receive requests and messages that were sent before the EOC was issued.

Although conversations are normally terminated by the client, the EOC function can be issued by either partner in a conversation. If an active UOW has not yet been committed (that is, its current status is received or delivered) the conversation will not be terminated until the UOW is either committed, backedout, cancelled, or timedout. See Broker UOW Status Transition.

To terminate all conversations initiated by the participant, use CONV-ID.
To terminate all conversations for a particular service, use CONV-ID, SERVER-CLASS, SERVER-NAME and/or SERVICE.

Option	Description
`CANCEL`	To inform the partner that the EOC is due to an unexpected event, use `CANCEL`.

KERNELVERS

This function is used by any participant to determine the highest API-VERSION that is supported by the requested Broker. The highest API-VERSION that the Broker supports is returned in the API-VERSION field (see API-TYPE and API-VERSION for client and server | publish and subscribe). Platform and version information is returned in the error text.

Option	Description
`CHECKSERVICE`	If option is set to `CHECKSERVICE`, the command will determine whether a specified `SERVICE` is currently registered to the Broker.

The KERNELSECURITY field returns one of the following values to indicate whether the kernel is running with security. These values are returned only for API version 7 or above.

Value	Description
Y	Software AG-supplied security (`SECURITY=YES` in the Broker attribute file).
U	User-written security (`SECURITY=YES` in the Broker attribute file).
N	`SECURITY=NO` in the Broker attribute file.

LOGOFF

This function is used by all application components before termination when no further Broker functions are to be issued.

LOGOFF should be issued after the application's last SEND, SEND_PUBLICATION, RECEIVE, RECEIVE_PUBLICATION, DEREGISTER or UNSUBSCRIBE has been executed. It releases all resources used by the application immediately rather than waiting until they time out (see Timeout Parameters for client and server | publish and subscribe.

LOGON

This function is used by all application components so that the application can establish communication with a particular instance of the Broker kernel.

Allows the client or server application to logon to EntireX Broker, which allocates the necessary structures to handle the new participant. If EntireX Broker is running in a secure environment (with SECURITY=YES in the attribute file), LOGON performs the authentication process.

LOGON is normally the first function.

In addition to the USER-ID, the LOGON optionally transmits the PASSWORD, NEWPASSWORD and SECURITY-TOKEN to authenticate itself, provided SECURITY=YES is set in the broker attribute file.

RECEIVE

This function is used by clients to receive incoming messages and by servers to receive incoming requests.

You can specify a WAIT time, causing the RECEIVE to wait for the request or message that satisfies the operation.
The RECEIVE-LENGTH field is required. It specifies the maximum length of data the caller can receive. A receive buffer of at least this length must be provided. The actual length of the message received is returned in the RETURN-LENGTH field.

Option	Description	Note
`ANY`	Used with the `RECEIVE` function to indicate that the `RECEIVE` will be satisfied by any message, whether part of a UOW or not.
`LAST`	To retrieve the last (most recent) message in a conversation, use `LAST`.	With this option, `WAIT` must be set to "NO" or not specified.
`MSG`	To indicate that the `RECEIVE` will be satisfied only by a message that is not part of a UOW, use `MSG`. See also Broker UOW Status Transition.
`NEXT`	To retrieve the next unprocessed request or message in a conversation, use `NEXT`.
`PREVIEW`	To retrieve the next unprocessed request or message in a conversation without deleting the previous message or moving the `READ` pointer, use `PREVIEW`, which excludes using units of work.
`SYNC`	To receive only messages that are part of a UOW, use `SYNC`. See also Broker UOW Status Transition.

RECEIVE_PUBLICATION

This function is used by subscribers to receive publications. If PUBLICATION-ID=NEW is specified, Broker will deliver the next publication in accepted status to the subscriber, if a publication is in accepted status. In the case of subsequent RECEIVE_PUBLICATION commands, a valid PUBLICATION-ID is used to receive any messages from a multi-message publication. See function CONTROL_PUBLICATION to acknowledge the publication.

ACI Field	Description
`RECEIVE-LENGTH`	This field is required.
`WAIT`	You can specify a `WAIT` time to wait for a new publication.

REGISTER

This function is used by servers to inform EntireX Broker that a service is available. The Broker obtains information about the service from the Broker Attributes, creates the appropriate environment, and makes the participant available as the specified SERVER-CLASS, SERVER-NAME and SERVICE.

If REGISTER is the first call by a server when both AUTOLOGON and SECURITY are set to "YES" in the Broker attribute file, USER-ID and PASSWORD are required in order to authenticate and authorize the server. This is because an implicit LOGON is being performed.

The services being registered must be defined in the attribute file.

Option	Description
`ATTACH`	To register an attach service, use `ATTACH`. An attach service cannot be requested by a client. Its function is to make available a service that cannot otherwise be scheduled.

REPLY_ERROR

This function is used by clients or servers to send an error message to the partner of the conversation. The error number is specified in the error code field. The sent message is delivered as an error text; the specified error number is delivered as an error code.

The user must be logged on.
The error number is a numeric 8-byte value and must start with 8 - e.g., 80010001. A zero error number will be rejected. These errors are user-definable and therefore not documented.
The error message is provided in the send buffer and is limited to 40 bytes.
Use the SEND-LENGTH field to specify the length of the error message.
REPLY_ERROR can be used with a valid CONV-ID only.
Only WAIT=NO is allowed.
The conversation is not allowed to contain units of work.

Option	Description
`EOC`	To end the conversation after the `REPLY_ERROR` function, use `EOC`.

SEND

This function is used by clients to send requests and by servers to send replies (messages). If a corresponding RECEIVE function issued by a partner application is outstanding, EntireX Broker forwards the request or message to that partner application. If not, EntireX Broker queues the request or message until a suitable RECEIVE is issued by a partner application. If no suitable RECEIVE is issued by a partner application, the request will timeout within the specified timeout period.

You can specify a SEND with either of the following:
- WAIT=YES | Value
  
  This causes an implicit RECEIVE to be generated and the SEND to wait for a reply. If a reply is expected, the SEND must pass the length of the receive buffer, in bytes, as the value of the RECEIVE-LENGTH parameter. The actual - not the specified - length of the reply is returned to the sender as the RETURN-LENGTH value.
- WAIT=NO
  
  Choose WAIT=NO if you are only forwarding a request or message.
Use the SEND-LENGTH field to specify the length of the request or message being sent. The specified number of bytes is transferred, starting at the beginning of the send buffer.
The client starts a new conversation, using CONV-ID=NEW.
The client can specify non-conversational mode, using CONV-ID=NONE.
Include the SERVER-CLASS, SERVER-NAME and SERVICE if this is a new conversation or a non-conversational request.
If you add the ENVIRONMENT parameter, its value is passed to the translation routine for the service.
To transmit conversation-related data to the sending application, use USER-DATA.

Option	Description	Note
`COMMIT`	Use `COMMIT` to indicate that the UOW being sent is complete and can now be delivered to the intended receiver, which can be either client or server.
`EOC`	To end the conversation after the `SEND`, use `EOC`.	`WAIT` must be "NO" or not specified.
`HOLD`	To hold `SEND` data in a queue, use `HOLD`. The data is released by a `SEND` without a HOLD.	`WAIT` must be "NO" or not specified.
`SYNC`	Client and server can send a message as part of a unit of work (UOW), using `SYNC`.	`WAIT` must be "NO" or not specified.

SEND_PUBLICATION

This function is used by publishers to create publications for a specified topic. PUBLICATION-ID=NEW is used to create a new publication. In the case of a subsequent SEND_PUBLICATION, a valid PUBLICATION-ID is used when sending a multi-message publication. The publisher completes the publication either by specifying SEND_PUBLICATION,OPTION=COMMIT or using the function CONTROL_PUBLICATION. If SEND_PUBLICATION,OPTION=COMMIT is used, the option is specified on the final SEND_PUBLICATION in the sequence.

Option/ ACI Field	Description
`OPTION=COMMIT`	Required to complete a publication if the function `CONTROL_PUBLICATION` is not used.
`PUBLICATION-ID=NEW`	Required to start a new publication.
`SEND-LENGTH`	Required.

SETSSLPARMS

This function is used by clients and servers to set the SSL parameters. It can be called whenever the transport method SSL is available.

The SSL parameters are specified in the send buffer, (second parameter of the Broker ACI call). These SSL parameters are used and communication is performed if the Secure Sockets Layer is configured. See Running Broker with SSL or TLS Transport under z/OS | UNIX | Windows.

This function is used to request EntireX Broker to subscribe to a specific topic. The Topic-specific Attributes under Broker Attributes contains parameters that specify the behavior of the topic. If Broker runs with the setting SECURITY=YES in the Broker attribute file, the user must be successfully authenticated by EntireX Broker and also authorized to subscribe to the specific topic.

The TOPIC name must be defined in the Broker attribute file.

Option Description

Option	Description
`DURABLE`	If durable is specified within the `SUBSCRIBE` command, users need to subscribe only once to a topic. The subscription is retained after the user issues a logoff command or if the subscriber has timed out. Similarly, the subscription remains if Broker is restarted. All publications necessary to meet subscription requirements are also retained. If a subscriber no longer wishes to subscribe to a topic, it must issue an `UNSUBSCRIBE` command; otherwise the subscription remains valid until the subscription expiration time has passed. Durable subscription requires the administrator to configure the persistent store. See Concepts of Persistent Messaging. In addition, the topic must be specified as durable within the Topic-specific Attributes under Broker Attributes.

DURABLE

If durable is specified within the SUBSCRIBE command, users need to subscribe only once to a topic. The subscription is retained after the user issues a logoff command or if the subscriber has timed out. Similarly, the subscription remains if Broker is restarted. All publications necessary to meet subscription requirements are also retained. If a subscriber no longer wishes to subscribe to a topic, it must issue an UNSUBSCRIBE command; otherwise the subscription remains valid until the subscription expiration time has passed.

Durable subscription requires the administrator to configure the persistent store. See Concepts of Persistent Messaging. In addition, the topic must be specified as durable within the Topic-specific Attributes under Broker Attributes.

ALLOW-DURABLE is a topic-specific attribute that determines whether a subscriber is allowed to perform a durable subscription to a topic. If users are allowed to durably subscribe to any topic, you must specify a value for the SUBSCRIBER-STORE attribute.

SYNCPOINT

This function allows you to manage units of work (UOWs), both persistent and non-persistent, that have been sent or received. See Using Persistence and Units of Work.

SYNCPOINT is used with the OPTION field. The UOWID parameter is required and normally limits the request to a specified UOW. For example:

SYNCPOINT OPTION=COMMIT,UOWID=n
SYNCPOINT OPTION=BACKOUT,UOWID=n

In cases where a server receives a UOW and sends a different UOW, you can ensure that the two UOWs will be processed together (that is, if one is committed, both are committed) by specifying UOWID=BOTH. For example:

SYNCPOINT OPTION=COMMIT,UOWID=BOTH

UOWID=BOTH can also be used with BACKOUT. This simply backs out both UOWs in a single call instead of two separate calls:

SYNCPOINT OPTION=BACKOUT,UOWID=BOTH

Option	Description
`BACKOUT`	Used by the sender, it causes the UOW to be deleted, with a status of backedout. By the receiver, causes the UOW to be returned to its prior, unreceived state, with a status of accepted. The `ADCOUNT` field is incremented. See also Broker UOW Status Transition.
`CANCEL`	Used by the receiver, it causes the UOW to be considered finished, with a status of cancelled. No further processing of the UOW is possible. The sender can cancel the UOW if, and only if, it is in accepted status. The following sequence of commands, issued during recovery processing, allows the sender to remove any created but undelivered UOWs: `SYNCPOINT OPTION=LAST` `SYNCPOINT OPTION=CANCEL` `SYNCPOINT OPTION=DELETE`
`COMMIT`	User by the sender, it indicates that the UOW has been completely built and can be made available for delivery, with a status of accepted. By the receiver, indicates that the UOW has been completely received, with a status of processed. No further processing of the UOW is possible.
`EOC`	With `UOWID=n`, commits the UOW being created and ends the conversation.
`EOCCANCEL`	With `UOWID=n`, commits the UOW being created and cancels the conversation, that is, terminates the conversation immediately.
`DELETE`	With `UOWID=n`, deletes the persistent status of the specified UOW. The UOW must be logically complete (processed, cancelled, timedout, backedout, discarded) and must have been created by the caller.
`LAST`	Returns the status of the last UOW sent by the caller. In addition, `SERVER-CLASS`, `SERVER-NAME`, `SERVICE` and `CONV-ID` are also returned.
`QUERY`	With `UOWID=n`, returns the status of the specified UOW. In addition, `SERVER-CLASS`, `SERVER-NAME` and `SERVICE` details of the associated server are also returned.
`SETUSTATUS`	With `UOWID=n`, updates the user status of the specified UOW.

UNDO

This function is used to remove messages that have been sent but not received. It can only be used with an existing conversation. When a message is undone, the conversation continues.

Note:
UNDO is not used in conjunction with units of work. See Using Persistence and Units of Work.

Option	Description
`HOLD`	To undo messages in `HOLD` status, use `UNDO` with `HOLD`.

UNSUBSCRIBE

This function is used to cancel the subscription to a specific topic. The fully specified topic name is required to execute the UNSUBSCRIBE request.

VERSION

This function is used to return the version of the stub implementation in the receive buffer. This version string is useful to the application in determining the maximum API version supported by the stub and to Software AG support if problems occur.

The string was modified in version 8.2. Example:

EntireX Broker Stub XXXXXXXX Version=08.3.0.00, Highest API Supported=09

where

"XXXXXXXX"

is is the name of the stub, for example "CICSETB".

Option Descriptions

Number	Option	Description
1	`MSG`	Used with a `RECEIVE` function to receive only a message that is not part of a UOW.
2	`HOLD`	Used in conversational mode only. On a `SEND` function, places the messages in a HOLD queue. Messages are released by a `SEND` without HOLD. On an `UNDO` function, releases all previously held messages. On a `LOGOFF` function, the conversation is not ended although the user is logged off.
3	`IMMED`	Used with the `DEREGISTER` function to immediately terminate all conversations for the specified server. All partners are informed with an appropriate error code.
4	`QUIESCE`	Used with the `DEREGISTER` function to terminate a server smoothly. Existing conversations are allowed to end normally; no new conversations are accepted. The server is removed from the "active" list. `QUIESCE` is the default option for the `DEREGISTER` function.
5	`EOC`	Used with the `SEND` function to end the conversation with the current message. It can be issued by either partner. The conversation is not ended if an active UOW has not yet been committed, that is, its status is received or delivered. See Broker UOW Status Transition.
6	`CANCEL`	Used with the `EOC` function to abort a conversation rather than terminate normally. The receiver of a UOW can use `SYNCPOINT OPTION=CANCEL` to interrupt processing and discard the UOW.
7	`LAST`	Used in conversational mode with the `RECEIVE` function to retrieve the last (most recent) message. Used with the `SYNCPOINT` function, it returns the status of the last UOW sent by the caller. Used with the `CONTROL_PUBLICATION` function, it returns the status of the last publication sent by the publisher.
8	`NEXT`	Used with the `RECEIVE` function to retrieve the next unprocessed request or message. The request or message is then considered processed and can be accessed only with `OPTION=LAST`. `NEXT` is the default option for the `RECEIVE` function.
9	`PREVIEW`	Used with the `RECEIVE` function to retrieve the next unprocessed request message without deleting the previous message or moving the `READ` pointer. The previewed message will be retrieved again by the next `RECEIVE OPTION=NEXT`.
10	`COMMIT`	`COMMIT` is used with the `SYNCPOINT` function to commit the active UOW. For a UOW being sent, it means that the UOW is complete and can now be delivered to the intended receiver. For a UOW being received, it means that that UOW is complete and no further processing of the UOW is allowed. `COMMIT` is used with the `SEND` function to commit the active UOW. `COMMIT` is used with the `CONTROL_PUBLICATION` function as follows: Used by the publisher, it completes the publication and makes it available to subscribers. Used by the subscriber, it acknowledges receipt of a read publication. `COMMIT` is used with the `SEND_PUBLICATION` function to commit the publication and make it available to subscribers.
11	`BACKOUT`	The receiver of a UOW can use `SYNCPOINT` OPTION=BACKOUT to return the UOW to its undelivered state. The UOW can be processed again, in its entirety, by subsequent `RECEIVE` operations. The sender of a UOW can use `SYNCPOINT OPTION=BACKOUT` to delete the UOW. No further processing of the UOW is allowed. `BACKOUT` is used with the `CONTROL_PUBLICATION` function as follows: Used by the publisher, it back outs a publication. Used by the subscriber, it back outs the subscriber's reading of the publication; `RECEIVE_PUBLICATION` will read it again.
12	`SYNC`	On a `SEND` function, indicates that the message is part of a UOW. On a `RECEIVE` function, indicates that the `RECEIVE` will be satisfied only by a message that is part of a UOW.
13	`ATTACH`	Used with the `REGISTER` function to register an attach server.
14	`DELETE`	Used with the `SYNCPOINT` function to delete the persistent status information for the specified UOW.
15	`EOCCANCEL`	Used with the `SYNCPOINT` function to cancel the conversation after committing a UOW.
16	`QUERY`	Used with the `SYNCPOINT` function only to query the status of a UOW. Used with the `CONTROL_PUBLICATION` function, it returns the status of the publication specified by the `PUBLICATION-ID`.
17	`SETUSTATUS`	Used with the `SYNCPOINT` function to cancel the conversation after committing a UOW. Used with the `CONTROL_PUBLICATION` function, it is used by the publisher to update the optional application-specific user status of the specified publication.
18	`ANY`	Used with the `RECEIVE` function to indicate that the `RECEIVE` will be satisfied by a message that is or is not part of a UOW.
19		No longer used.
20	`DURABLE`	Used with the `SUBSCRIBE` function to establish a durable subscription to a topic with attribute `ALLOW-DURABLE=YES`.
21	`CHECKSERVICE`	Use with the `KERNELVERS` function to check if the specified service is active in EntireX Broker.

ACI Field/Function Reference Table

The following table identifies the ACI fields that apply to each of the Broker functions. For a given function, an ACI field value may be a request field (Rq), and/or a reply field (Rt). Optional fields are marked (O).

ACI Field	Function
ACI Field
`ADCOUNT`		Rt								Rt			Rt	Rt			Rt
`API-TYPE`	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq
`API-VERSION`	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq Rt	Rq	Rq	Rq	Rq	Rq	Rq	Rq
`BROKER-ID`	Rq	Rq	Rq	Rq	Rq	Rq		Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq
`CLIENT-UID`		Rt												Rt
`COMMITTIME`	Rt	Rt								Rt			Rt	Rt			Rt
`COMPRESSLEVEL`	O Rt	O Rt											O Rt	O Rt				O
`CONV-ID`	Rq	Rq	Rq	Rq						Rq Rt								Rq
`CONV-STAT`		Rt												Rt
`DATA-ARCH`	O	O											O	O				O
`ENCRYPTION-LEVEL`	O	O			O					O
`ENVIRONMENT`	O	O											O	O				O
`ERROR-CODE`	Rt	Rt	Rt	Rt	Rt	Rt	Rt	Rt	Rt	Rt	Rt	Rt	Rt	Rt	Rt	Rt	Rt	Rt
`ERRTEXT-LENGTH`	O	O	O	O	O	O	O	O	O	O	O	O	O	O	O	O	O	O
`FORCE-LOGON`	O	O	O	O	O	O		O	O	O			O	O	O	O	O	O
`FUNCTION`	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq	Rq
`KERNELSECURITY`											Rt
`LOG-COMMAND`	Rq	Rq	Rq	Rq	Rq	Rq		Rq	Rq	Rq	Rq		Rq	Rq	Rq	Rq	Rq	Rq
`LOCALE-STRING`	O	O											O	O				O
`MSG-ID`
`NEWPASSWORD`	O				O			O
`PARTNER-BROKER-ID` (deprecated)	O	Rt	Rt	Rt	Rt	Rt		Rt	Rt	Rt	Rt		Rt	Rt	Rt	Rt	Rt	Rt
`OPTION`	O	O	O	O	O	O			O	O	O		O	O	O		Rq	O
`PASSWORD`	O				O			O										O
`PUBLICATION-ID`													Rq Rt	Rq			Rq Rt
`RECEIVE-LENGTH`	O	Rq					Rq							Rq
`RETURN-LENGTH`	Rt	Rt					Rt							Rt
`SECURITY-TOKEN`	O	O	O	O	O	O	O	O	O	O			O	O	O	O	O	O
`SEND-LENGTH`	Rq											Rq	Rq					Rq
`SERVER-CLASS`	Rq	O		O	Rq	O				O Rt
`SERVER-NAME`	Rq	O		O	Rq	O				O Rt
`SERVICE`	Rq	O		O	Rq	O				O Rt
`STORE`	O	Rt											Rt	Rt
`TOKEN`	O	O	O	O	O	O		O	O				Rq	Rq	Rq	Rq	Rq	O
`TOPIC`													Rq	Rq	Rq	Rq	Rq
`UOWID`	O Rt	O Rt								Rq
`UOWSTATUS`	Rt	Rt		Rt						Rt			Rt	Rt
`UOW-STATUS-PERSIST`										O
`USER-DATA`	O	Rt								Rt								O
`USER-ID`	Rq	Rq	Rq	Rq	Rq	Rq		Rq	Rq	Rq			Rq	Rq	Rq	Rq	Rq	Rq
`USTATUS`	O Rt	O Rt		O Rt						O Rt			O Rt	O Rt			O Rt
`UWSTAT-LIFETIME`										O
`UWTIME`	O
`WAIT`	O	O												O				O

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