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NF:winsnmp.SnmpGetRetry |
SnmpGetRetry function (winsnmp.h) |
The WinSNMP SnmpGetRetry function returns the retry count value, in units, for the retransmission of SNMP message requests. The retry count applies to calls that a WinSNMP application makes to the SnmpSendMsg function for a specified management entity. |
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snmp\snmpgetretry.htm |
SNMP |
0c01994b-adce-4525-a41c-71cbe2fde2a8 |
12/05/2018 |
SnmpGetRetry, SnmpGetRetry function [SNMP], _snmp_snmpgetretry, snmp.snmpgetretry, winsnmp/SnmpGetRetry |
winsnmp.h |
Windows |
Windows 2000 Professional [desktop apps only] |
Windows 2000 Server [desktop apps only] |
Wsnmp32.lib |
Wsnmp32.dll |
Windows |
19H1 |
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[SNMP is available for use in the operating systems specified in the Requirements section. It may be altered or unavailable in subsequent versions. Instead, use Windows Remote Management, which is the Microsoft implementation of WS-Man.]
The WinSNMP SnmpGetRetry function returns the retry count value, in units, for the retransmission of SNMP message requests. The retry count applies to calls that a WinSNMP application makes to the SnmpSendMsg function for a specified management entity.
Handle to the destination management entity of interest.
Pointer to an unsigned long integer variable to receive the retry count value for the specified management entity. This is a value that the Microsoft WinSNMP implementation stores in a database. If you do not need the information returned in this parameter, nPolicyRetry must be a NULL pointer.
Pointer to an unsigned long integer variable to receive the last actual or estimated retry count for the destination entity, as reported by the implementation. If you do not need the information returned in this parameter, nActualRetry must be a NULL pointer. If this parameter is a valid pointer, the function returns 0. For additional information, see the following Remarks section.
If the function succeeds, the return value is SNMPAPI_SUCCESS.
If the function fails, the return value is SNMPAPI_FAILURE. To get extended error information, call SnmpGetLastError specifying a NULL value in its session parameter. The SnmpGetLastError function can return one of the following errors.
| Return code | Description |
|---|---|
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The SnmpStartup function did not complete successfully. |
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An error occurred during memory allocation. |
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The hEntity parameter is invalid. |
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The nPolicyRetry and nActualRetry parameters are both NULL. The operation was not performed. |
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An unknown or undefined error occurred. |
Typically a WinSNMP application, rather than an agent application, calls the SnmpGetRetry function.
A WinSNMP application can modify the retry count value with a call to the SnmpSetRetry function.
The WinSNMP application can monitor the value of the nActualRetry parameter and compare it to the value of the nPolicyRetry parameter to optimize transmission performance. For additional information, see About Retransmission and Managing the Retransmission Policy.