Fix IPMI server functionality

When data steering was implemented to improve
performance, the server component was not updated
to be able to receive steered data.  Update the server
component with the needed interfaces to be compatible
with the performance enhancement.

Change-Id: I251cfaaf80d7ae45b60f03e39a46a683d913396b

pyghmi/ipmi/private/serversession.py

@@ -17,6 +17,7 @@
 # This represents the server side of a session object
 # Split into a separate file to avoid overly manipulating the as-yet
 # client-centered session object
+import collections
 import hashlib
 import hmac
 import os
@@ -74,6 +75,7 @@ class ServerSession(ipmisession.Session):
         self.kg = kg
         self.socket = netsocket
         self.sockaddr = clientaddr
+        self.pktqueue = collections.deque([])
         ipmisession.Session.bmc_handlers[clientaddr] = self
         response = self.create_open_session_response(request)
         self.send_payload(response,
@@ -250,6 +252,7 @@ class IpmiServer(object):
         self.additionaldevices = 0
         self.mfgid = 0
         self.prodid = 0
+        self.pktqueue = collections.deque([])
         if bmcuuid is None:
             self.uuid = uuid.uuid4()
         else:
@@ -279,6 +282,11 @@ class IpmiServer(object):
         header += chr(ipmisession._checksum(*bodydata))
         ipmisession._io_sendto(self.serversocket, header, sockaddr)
 
+    def process_pktqueue(self):
+        while self.pktqueue:
+            pkt = self.pktqueue.popleft()
+            self.sessionless_data(pkt[0], pkt[1])
+
     def sessionless_data(self, data, sockaddr):
         """Examines unsolocited packet and decides appropriate action.