From 558921399f9aa47da2c9b5205cbfc8027be64abd Mon Sep 17 00:00:00 2001
From: Yoshihiko Yazawa <yoshiyaz@gmail.com>
Date: Tue, 14 Dec 2010 21:41:21 -0800
Subject: [PATCH] MaxQueueLen and MaxQueueTime attributes can't change

---
 src/routing/aodv/aodv-routing-protocol.cc | 19 +++++++++++++++++--
 src/routing/aodv/aodv-routing-protocol.h  |  4 ++++
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/src/routing/aodv/aodv-routing-protocol.cc b/src/routing/aodv/aodv-routing-protocol.cc
index 895afc3fb..48162db2c 100644
--- a/src/routing/aodv/aodv-routing-protocol.cc
+++ b/src/routing/aodv/aodv-routing-protocol.cc
@@ -194,11 +194,13 @@ RoutingProtocol::GetTypeId (void)
                      MakeTimeChecker ())
       .AddAttribute ("MaxQueueLen", "Maximum number of packets that we allow a routing protocol to buffer.",
                      UintegerValue (64),
-                     MakeUintegerAccessor (&RoutingProtocol::MaxQueueLen),
+                     MakeUintegerAccessor (&RoutingProtocol::SetMaxQueueLen,
+                                           &RoutingProtocol::GetMaxQueueLen),
                      MakeUintegerChecker<uint32_t> ())
       .AddAttribute ("MaxQueueTime", "Maximum time packets can be queued (in seconds)",
                      TimeValue (Seconds (30)),
-                     MakeTimeAccessor (&RoutingProtocol::MaxQueueTime),
+                     MakeTimeAccessor (&RoutingProtocol::SetMaxQueueTime,
+                                       &RoutingProtocol::GetMaxQueueTime),
                      MakeTimeChecker ())
       .AddAttribute ("AllowedHelloLoss", "Number of hello messages which may be loss for valid link.",
                      UintegerValue (2),
@@ -228,6 +230,19 @@ RoutingProtocol::GetTypeId (void)
   return tid;
 }
 
+void
+RoutingProtocol::SetMaxQueueLen (uint32_t len)
+{
+    MaxQueueLen = len;
+    m_queue.SetMaxQueueLen (len);
+}
+void
+RoutingProtocol::SetMaxQueueTime (Time t)
+{
+  MaxQueueTime = t;
+  m_queue.SetQueueTimeout (t);
+}
+
 RoutingProtocol::~RoutingProtocol ()
 {
 }
diff --git a/src/routing/aodv/aodv-routing-protocol.h b/src/routing/aodv/aodv-routing-protocol.h
index 5b0628e13..12d2a668d 100644
--- a/src/routing/aodv/aodv-routing-protocol.h
+++ b/src/routing/aodv/aodv-routing-protocol.h
@@ -74,6 +74,10 @@ public:
   
   ///\name Handle protocol parameters
   //\{
+  Time GetMaxQueueTime () const { return MaxQueueTime; }
+  void SetMaxQueueTime (Time t);
+  uint32_t GetMaxQueueLen () const { return MaxQueueLen; }
+  void SetMaxQueueLen (uint32_t len);
   bool GetDesinationOnlyFlag () const { return DestinationOnly; }
   void SetDesinationOnlyFlag (bool f) { DestinationOnly = f; }
   bool GetGratuitousReplyFlag () const { return GratuitousReply; }