1 files changed, 111 insertions, 0 deletions
diff --git a/emu-radio/ns3-patch/wifi/model/originator-block-ack-agreement.cc b/emu-radio/ns3-patch/wifi/model/originator-block-ack-agreement.cc
new file mode 100644
index 00000000..93543c6a
--- /dev/null
+++ b/emu-radio/ns3-patch/wifi/model/originator-block-ack-agreement.cc
@@ -0,0 +1,111 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2009, 2010 MIRKO BANCHI
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Authors: Mirko Banchi <mk.banchi@gmail.com>
+ *          Tommaso Pecorella <tommaso.pecorella@unifi.it>
+ */
+
+#include "originator-block-ack-agreement.h"
+
+namespace ns3 {
+
+OriginatorBlockAckAgreement::OriginatorBlockAckAgreement ()
+  : BlockAckAgreement (),
+    m_state (PENDING),
+    m_sentMpdus (0),
+    m_needBlockAckReq (false)
+{
+}
+
+OriginatorBlockAckAgreement::OriginatorBlockAckAgreement (Mac48Address recipient, uint8_t tid)
+  : BlockAckAgreement (recipient, tid),
+    m_state (PENDING),
+    m_sentMpdus (0),
+    m_needBlockAckReq (false)
+{
+}
+
+OriginatorBlockAckAgreement::~OriginatorBlockAckAgreement ()
+{
+    //NS_LOG_FUNCTION (this);
+  
+  //std::cout<<"destructor for OriginatorBlockAckAgreement is called, destroy event is canceled, destroy agreement with="<<m_peer<<"\n";
+    m_OriginatorInactivityEvent.Cancel ();
+}
+
+void
+OriginatorBlockAckAgreement::SetState (enum State state)
+{
+  m_state = state;
+  if (state == INACTIVE)
+    {
+      m_needBlockAckReq = false;
+      m_sentMpdus = 0;
+    }
+}
+
+bool
+OriginatorBlockAckAgreement::IsPending (void) const
+{
+  return (m_state == PENDING) ? true : false;
+}
+
+bool
+OriginatorBlockAckAgreement::IsEstablished (void) const
+{
+  return (m_state == ESTABLISHED) ? true : false;
+}
+
+bool
+OriginatorBlockAckAgreement::IsInactive (void) const
+{
+  return (m_state == INACTIVE) ? true : false;
+}
+
+bool
+OriginatorBlockAckAgreement::IsUnsuccessful (void) const
+{
+  return (m_state == UNSUCCESSFUL) ? true : false;
+}
+
+void
+OriginatorBlockAckAgreement::NotifyMpduTransmission (uint16_t nextSeqNumber)
+{
+  NS_ASSERT (m_sentMpdus < m_bufferSize);
+  m_sentMpdus++;
+  uint16_t delta = (nextSeqNumber - m_startingSeq + 4096) % 4096;
+  uint16_t min = m_bufferSize < 64 ? m_bufferSize : 64;
+  if (delta >= min || m_sentMpdus == m_bufferSize)
+    {
+      m_needBlockAckReq = true;
+    }
+}
+
+bool
+OriginatorBlockAckAgreement::IsBlockAckRequestNeeded (void) const
+{
+  return m_needBlockAckReq;
+}
+
+void
+OriginatorBlockAckAgreement::CompleteExchange (void)
+{
+  m_needBlockAckReq = false;
+  m_sentMpdus = 0;
+}
+
+} //namespace ns3