CBRE: Object Receive End

09/01/2021 Contributors

When transfer of a content block from one node to another is completed, this message is issued by the destination entity.

Code	Field	Description
CNID	Connection Identifier	The unique identifier of the node-to-node session/connection.
CBID	Content Block Identifier	The unique identifier of the content block being transferred.
CTDR	Transfer Direction	Indicates if the CBID transfer was push-initiated or pull-initiated: PUSH: The transfer operation was requested by the sending entity. PULL: The transfer operation was requested by the receiving entity.
CTSR	Source Entity	The node ID of the source (sender) of the CBID transfer.
CTDS	Destination Entity	The node ID of the destination (receiver) of the CBID transfer.
CTSS	Start Sequence Count	Indicates the sequence count on which the transfer started.
CTAS	Actual End Sequence Count	Indicates the last sequence count successfully transferred. If the Actual End Sequence Count is the same as the Start Sequence Count, and the Transfer Result was not successful, no data was exchanged.
RSLT	Transfer Result	The result of the transfer operation (from the perspective of the sending entity): SUCS: transfer successfully completed; all requested sequence counts were sent. CONL: connection lost during transfer CTMO: connection timed-out during establishment or transfer UNRE: destination node ID unreachable CRPT: transfer ended due to reception of corrupt or invalid data (might indicate tampering)

Code

Field

Description

CNID

Connection Identifier

The unique identifier of the node-to-node session/connection.

CBID

Content Block Identifier

The unique identifier of the content block being transferred.

CTDR

Transfer Direction

Indicates if the CBID transfer was push-initiated or pull-initiated:

PUSH: The transfer operation was requested by the sending entity.

PULL: The transfer operation was requested by the receiving entity.

CTSR

Source Entity

The node ID of the source (sender) of the CBID transfer.

CTDS

Destination Entity

The node ID of the destination (receiver) of the CBID transfer.

CTSS

Start Sequence Count

Indicates the sequence count on which the transfer started.

CTAS

Actual End Sequence Count

Indicates the last sequence count successfully transferred. If the Actual End Sequence Count is the same as the Start Sequence Count, and the Transfer Result was not successful, no data was exchanged.

RSLT

Transfer Result

The result of the transfer operation (from the perspective of the sending entity):

SUCS: transfer successfully completed; all requested sequence counts were sent.

CONL: connection lost during transfer

CTMO: connection timed-out during establishment or transfer

UNRE: destination node ID unreachable

CRPT: transfer ended due to reception of corrupt or invalid data (might indicate tampering)

This audit message means a node-to-node data transfer operation was completed. If the Transfer Result was successful, the operation transferred data from "Start Sequence Count" to "Actual End Sequence Count". Sending and receiving nodes are identified by their node IDs. This information can be used to track system data flow and to locate, tabulate, and analyze errors. When combined with storage audit messages, it can also be used to verify replica counts.

CBRE: Object Receive End

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