Dialogic® DSI SS7MD Programmer’s Manual Issue 3
6.6.6SS7_MSG_R_STATE – Read Link State Request
Synopsis
Message sent to Q.SAAL to retrieve current per link state in the same format as MTP2
Message Format
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| MESSAGE HEADER |
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| Field Name | Meaning | |
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type |
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| SS7_MSG_R_STATE (0x6215) |
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id |
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| Link ID |
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src |
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| User Module ID |
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dst |
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| QSL_TASK_ID |
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rsp_req |
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| Used to request a confirmation |
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hclass |
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| 0 |
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status |
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| 0 |
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err_info |
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| 0 |
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len |
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| 6 |
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| PARAMETER AREA |
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Offset |
| Size | Name |
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0 |
| 1 | lsc_state |
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1 |
| 1 | cong_status |
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2 |
| 2 | num_msgs |
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4 |
| 2 | num_rtx_msgs |
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Description
This message is issued to the Q.SAAL module to read the current internal state of the link and the number of MSU's currently buffered. The results are written into the parameter area of the message and the message is returned to the sender.
Parameters
•lsc_state
Current Link State control state
•cong_status
Current congestion status
•num_msgs
Total number of buffered MSU's
•num_rtx_msgs
Number of MSU's in retransmit buffer. Unused - always zero.
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