Index: src/mpls-stack/mpls/mpls-label-stack.h |
=================================================================== |
new file mode 100644 |
--- /dev/null |
+++ b/src/mpls-stack/mpls/mpls-label-stack.h |
@@ -0,0 +1,111 @@ |
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
+/* |
+ * Copyright (c) 2010 Andrey Churin |
+ * |
+ * 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 |
+ * |
+ * Author: Andrey Churin <aachurin@gmail.com> |
+ */ |
+ |
+#ifndef MPLS_LABEL_STACK_H |
+#define MPLS_LABEL_STACK_H |
+ |
+#include <ostream> |
+#include <vector> |
+ |
+#include "ns3/ptr.h" |
+#include "ns3/simple-ref-count.h" |
+#include "ns3/header.h" |
+ |
+namespace ns3 { |
+namespace mpls { |
+ |
+class MplsLabelStack; |
+ |
+// 0 1 2 3 |
+// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
+// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Label |
+// | Label | Exp |S| TTL | Stack |
+// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Entry |
+class MplsLabelStackEntry : public SimpleRefCount<MplsLabelStackEntry> |
+{ |
+public: |
+ static const uint32_t MPLS_LABEL_IPV4NULL = 0; |
Mathieu Lacage
2010/05/21 13:26:12
I personally would remove the MPLS_LABEL_ prefix b
|
+ static const uint32_t MPLS_LABEL_ROUTERALERT = 1; |
+ static const uint32_t MPLS_LABEL_IPV6NULL = 2; |
+ static const uint32_t MPLS_LABEL_IMPLNULL = 3; |
+ static const uint32_t MPLS_LABEL_RESERVED_MAX = 15; |
+ static const uint32_t MPLS_LABEL_MAX = (1 << 20) - 1; |
+ |
+ MplsLabelStackEntry (); |
+ virtual ~MplsLabelStackEntry (); |
+ |
+ void SetLabel (uint32_t label); |
+ uint32_t GetLabel (void) const; |
+ void SetExp (uint8_t exp); |
+ uint8_t GetExp (void) const; |
+ bool IsBos (void) const; |
+ void SetTtl (uint8_t ttl); |
+ uint8_t GetTtl (void) const; |
+ |
+ uint32_t GetSerializedSize (void) const; |
+ void Serialize (Buffer::Iterator start) const; |
+ uint32_t Deserialize (Buffer::Iterator start); |
+ void Print (std::ostream &os) const; |
+ |
+private: |
+ friend class MplsLabelStack; |
+ |
+ uint32_t m_label; |
+ uint8_t m_exp; |
+ bool m_bos; |
+ uint8_t m_ttl; |
+}; |
+ |
+std::ostream& operator<< (std::ostream& os, const MplsLabelStackEntry &entry); |
+ |
+class MplsLabelStack : public Header |
+{ |
+public: |
+ MplsLabelStack (); |
+ virtual ~MplsLabelStack (); |
+ |
+ static TypeId GetTypeId (void); |
+ virtual TypeId GetInstanceTypeId (void) const; |
+ |
+ Ptr<MplsLabelStackEntry> Pop (void); |
+ Ptr<MplsLabelStackEntry> Push (uint32_t label); |
+ Ptr<MplsLabelStackEntry> Swap (uint32_t label); |
+ |
+ typedef std::vector<Ptr<MplsLabelStackEntry> >::const_iterator Iterator; |
+ Iterator Begin (void) const; |
+ Iterator End (void) const; |
+ Ptr<MplsLabelStackEntry> GetEntry (uint32_t i) const; |
+ Ptr<MplsLabelStackEntry> GetTopEntry (void) const; |
+ uint32_t GetNEntries (void) const; |
+ |
+ virtual uint32_t GetSerializedSize (void) const; |
+ virtual void Serialize (Buffer::Iterator start) const; |
+ virtual uint32_t Deserialize (Buffer::Iterator start); |
+ virtual void Print (std::ostream &os) const; |
+ |
+private: |
+ typedef std::vector<Ptr<MplsLabelStackEntry> > MplsLabelStackEntryVector; |
+ MplsLabelStackEntryVector m_entries; |
+}; |
+ |
+} // namespace mpls |
+} // namespace ns3 |
+ |
+#endif /* MPLS_LABEL_STACK_H */ |