Initial commit

utils/snmp.py

@@ -0,0 +1,41 @@
+import asyncio
+from pysnmp.hlapi.v3arch.asyncio import *
+
+async def _snmp_walk_async(host, community, oid):
+    results = []
+    
+    # Configuração do Engine e dos dados de conexão
+    snmp_engine = SnmpEngine()
+    community_data = CommunityData(community, mpModel=1) # mpModel=1 para SNMPv2c
+    transport = await UdpTransportTarget.create((host, 161), timeout=2, retries=1)
+    context = ContextData()
+    
+    # Realiza o Walk
+    iterator = walk_cmd(
+        snmp_engine,
+        community_data,
+        transport,
+        context,
+        ObjectType(ObjectIdentity(oid)),
+        lexicographicMode=False
+    )
+
+    async for errorIndication, errorStatus, errorIndex, varBinds in iterator:
+        if errorIndication:
+            print(f"SNMP Error: {errorIndication}")
+            break
+        elif errorStatus:
+            print(f"SNMP Error: {errorStatus.prettyPrint()}")
+            break
+        else:
+            for varBind in varBinds:
+                results.append((str(varBind[0]), str(varBind[1])))
+
+    snmp_engine.closeDispatcher()
+    return results
+
+def snmp_walk(host, community, oid):
+    """
+    Wrapper síncrono para o walk assíncrono.
+    """
+    return asyncio.run(_snmp_walk_async(host, community, oid))