1 files changed, 37 insertions, 0 deletions
diff --git a/pysnmp/hlapi/transport.py b/pysnmp/hlapi/transport.py
new file mode 100644
index 0000000..c836a03
--- /dev/null
+++ b/pysnmp/hlapi/transport.py
@@ -0,0 +1,37 @@
+from pyasn1.compat.octets import null
+from pysnmp import error
+
+__all__ = []
+
+class AbstractTransportTarget:
+    transportDomain = None
+    protoTransport = NotImplementedError
+    def __init__(self, transportAddr, timeout=1, retries=5, tagList=null):
+        self.transportAddr = self._resolveAddr(transportAddr)
+        self.timeout = timeout
+        self.retries = retries
+        self.tagList = tagList
+        self.iface = None
+
+    def __repr__(self): 
+        return '%s(%r, timeout=%r, retries=%r, tagList=%r)' % (
+            self.__class__.__name__, self.transportAddr,
+            self.timeout, self.retries, self.tagList
+        )
+
+    def getTransportInfo(self):
+        return self.transportDomain, self.transportAddr
+
+    def setLocalAddress(self, iface):
+        self.iface = iface
+        return self
+
+    def openClientMode(self):
+        self.transport = self.protoTransport().openClientMode(self.iface)
+        return self.transport
+
+    def verifyDispatcherCompatibility(self, snmpEngine):
+        if not self.protoTransport.isCompatibleWithDispatcher(snmpEngine.transportDispatcher):
+            raise error.PySnmpError('Transport %r is not compatible with dispatcher %r' % (self.protoTransport, snmpEngine.transportDispatcher))
+
+    def _resolveAddr(self, transportAddr): raise NotImplementedError()