REQresynch command
The state data for the REQresynch command portion of the OTMA message prefix is mapped by the TMAMHDR DSECT of the DFSYMSG macro.
The REQresynch command is used by IMS to pass the send-sequence number and the receive sequence for a specific tpipe to the client. The following table summarizes the format of state data for the REQresynch command. The summary includes byte, length, content, hexadecimal value, the meaning, and includes usage comments.
| Byte | Length | Content | Description |
|---|---|---|---|
| 0 | 2 | Length | Length of the state-data section, including the length field. |
| 2 | 8 | Tpipe Name | The transaction pipe name. |
| 10 | 4 | Send-sequence number | IMS recoverable send-sequence number for the transaction pipe. |
| 14 | 4 | Receive-sequence number | IMS recoverable receive-sequence number for the transaction pipe. |
| 18 | 1 | Tpipe flag 1 | Reserved for future use. |
| 19 | 1 | Tpipe flag 2 | Reserved for future use. |
| 20 | 6 | RESERVED |