diff options
| author | elie <elie> | 2014-11-04 20:21:48 +0000 |
|---|---|---|
| committer | elie <elie> | 2014-11-04 20:21:48 +0000 |
| commit | 2badd13fbc5a16806170deb432a1aeee03b74905 (patch) | |
| tree | 8ed445ae7de8572557c5d6997839723fe546d08c /examples/v3arch/asyncio/manager/cmdgen/get-v2c-custom-timeout.py | |
| parent | d947278e9747fc5d0c198f78b30132b13eb90760 (diff) | |
| download | pysnmp-2badd13fbc5a16806170deb432a1aeee03b74905.tar.gz | |
initial support for asyncio network transport added
Diffstat (limited to 'examples/v3arch/asyncio/manager/cmdgen/get-v2c-custom-timeout.py')
| -rw-r--r-- | examples/v3arch/asyncio/manager/cmdgen/get-v2c-custom-timeout.py | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/examples/v3arch/asyncio/manager/cmdgen/get-v2c-custom-timeout.py b/examples/v3arch/asyncio/manager/cmdgen/get-v2c-custom-timeout.py new file mode 100644 index 0000000..61cefed --- /dev/null +++ b/examples/v3arch/asyncio/manager/cmdgen/get-v2c-custom-timeout.py @@ -0,0 +1,95 @@ +#
+# GET Command Generator
+#
+# Send a SNMP GET request
+# with SNMPv2c, community 'public'
+# using Asyncio framework for network transport
+# over IPv4/UDP
+# to an Agent at 195.218.195.228:161
+# wait 3 seconds for response, retry 5 times (plus one initial attempt)
+# for an OID in tuple form
+#
+# This script performs similar to the following Net-SNMP command:
+#
+# $ snmpget -v2c -c public -ObentU -r 5 -t 1 195.218.195.228 1.3.6.1.2.1.1.1.0
+#
+from pysnmp.carrier.asyncio.dgram import udp
+from pysnmp.entity.rfc3413.asyncio import cmdgen
+from pysnmp.entity import engine, config
+import asyncio
+
+# Get the event loop for this thread
+loop = asyncio.get_event_loop()
+
+# Create SNMP engine instance
+snmpEngine = engine.SnmpEngine()
+
+#
+# SNMPv2c setup
+#
+
+# SecurityName <-> CommunityName mapping
+config.addV1System(snmpEngine, 'my-area', 'public')
+
+# Specify security settings per SecurityName (SNMPv1 - 0, SNMPv2c - 1)
+config.addTargetParams(snmpEngine, 'my-creds', 'my-area', 'noAuthNoPriv', 1)
+
+#
+# Setup transport endpoint and bind it with security settings yielding
+# a target name
+#
+
+# UDP/IPv4
+config.addTransport(
+ snmpEngine,
+ udp.domainName,
+ udp.UdpTransport().openClientMode()
+)
+config.addTargetAddr(
+ snmpEngine, 'my-router',
+ udp.domainName, ('195.218.195.228', 161),
+ 'my-creds',
+ timeout=300, # in 1/100 sec
+ retryCount=5
+)
+
+# Error/response receiver
+def cbFun(future):
+ (snmpEngine, errorIndication, errorStatus, errorIndex, varBinds) = future.result()
+ if errorIndication:
+ print(errorIndication)
+ elif errorStatus:
+ print('%s at %s' % (
+ errorStatus.prettyPrint(),
+ errorIndex and varBinds[int(errorIndex)-1][0] or '?'
+ )
+ )
+ else:
+ for oid, val in varBinds:
+ print('%s = %s' % (oid.prettyPrint(), val.prettyPrint()))
+
+ # This also terminates internal timer
+ config.delTransport(
+ snmpEngine,
+ udp.domainName
+ )
+
+ # Finish all scheduled tasks and end the loop
+ loop.stop()
+
+# Prepare request to be sent, receive an asyncio future object
+future = cmdgen.GetCommandGenerator().sendVarBinds(
+ snmpEngine,
+ 'my-router',
+ None, '', # contextEngineId, contextName
+ ( ('1.3.6.1.2.1.1.1.0', None), ),
+)
+
+# Register error/response receiver function on future
+future.add_done_callback(cbFun)
+
+# Run asyncio main loop
+loop.run_forever()
+
+# Clear the event loop
+loop.close()
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