diff options
Diffstat (limited to 'examples/v3arch/asyncore/oneliner/manager/cmdgen/get-v2c-with-custom-timeout-and-retries.py')
-rw-r--r-- | examples/v3arch/asyncore/oneliner/manager/cmdgen/get-v2c-with-custom-timeout-and-retries.py | 98 |
1 files changed, 51 insertions, 47 deletions
diff --git a/examples/v3arch/asyncore/oneliner/manager/cmdgen/get-v2c-with-custom-timeout-and-retries.py b/examples/v3arch/asyncore/oneliner/manager/cmdgen/get-v2c-with-custom-timeout-and-retries.py index d9fc491..1439aeb 100644 --- a/examples/v3arch/asyncore/oneliner/manager/cmdgen/get-v2c-with-custom-timeout-and-retries.py +++ b/examples/v3arch/asyncore/oneliner/manager/cmdgen/get-v2c-with-custom-timeout-and-retries.py @@ -1,49 +1,53 @@ -# -# Command Generator -# -# Send SNMP GET request using the following options: -# -# * with SNMPv2c, community 'public' -# * over IPv4/UDP -# * to an Agent at demo.snmplabs.com:161 -# * for an OID in string form -# * use custom timeout and request retries values -# -# Transport timing settings (maximum number of request retries and -# individual request timeout in seconds) can be set on a per-target basis -# as explained by the code that follows. -# -# Keep in mind that while timeout value can be specified in fractions of a -# second, default pysnmp timer resolution is quite low (about 0.5 sec) -# so there's no much point in using timeouts which is not a multiple of 0.5 -# Internal timer can be programmatically adjusted to finer resolution if needed. -# -# If retries value is set to 0, pysnmp will issue a single request. Even -# if no response arrives, there will be no retry. Likewise, retries=1 -# means one initial request plus one retry. -# +""" +Custom request timeout +++++++++++++++++++++++ + +Send SNMP GET request using the following options: + +* with SNMPv2c, community 'public' +* over IPv4/UDP +* to an Agent at demo.snmplabs.com:161 +* for an OID in string form +* use custom timeout and request retries values + +Transport timing settings (maximum number of request retries and +individual request timeout in seconds) can be set on a per-target basis +as explained by the code that follows. + +Keep in mind that while timeout value can be specified in fractions of a +second, default pysnmp timer resolution is quite low (about 0.5 sec) +so there's no much point in using timeouts which is not a multiple of 0.5 +Internal timer can be programmatically adjusted to finer resolution if needed. + +If retries value is set to 0, pysnmp will issue a single request. Even +if no response arrives, there will be no retry. Likewise, retries=1 +means one initial request plus one retry. + +Functionally similar to: + +| $ snmpget -v1 -c public demo.snmplabs.com 1.3.6.1.2.1.1.1.0 + +"""# from pysnmp.entity.rfc3413.oneliner.cmdgen import * -for errorIndication, \ - errorStatus, errorIndex, \ - varBinds in getCmd(SnmpEngine(), - CommunityData('public'), - UdpTransportTarget( - ('demo.snmplabs.com', 161), timeout=1.5, retries=0 - ), - ContextData(), - ObjectType(ObjectIdentity('1.3.6.1.2.1.1.1.0'))): - # Check for errors and print out results - if errorIndication: - print(errorIndication) - else: - if errorStatus: - print('%s at %s' % ( - errorStatus.prettyPrint(), - errorIndex and varBinds[int(errorIndex)-1][0] or '?' - ) - ) - else: - for varBind in varBinds: - print(' = '.join([ x.prettyPrint() for x in varBind ])) - break +errorIndication, errorStatus, errorIndex, varBinds = next( + getCmd(SnmpEngine(), + CommunityData('public'), + UdpTransportTarget( + ('demo.snmplabs.com', 161), timeout=1.5, retries=0 + ), + ContextData(), + ObjectType(ObjectIdentity('1.3.6.1.2.1.1.1.0'))) +) + +if errorIndication: + print(errorIndication) +elif errorStatus: + print('%s at %s' % ( + errorStatus.prettyPrint(), + errorIndex and varBinds[int(errorIndex)-1][0] or '?' + ) + ) +else: + for varBind in varBinds: + print(' = '.join([ x.prettyPrint() for x in varBind ])) |