--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/common/sv-trace-source.h Sun Mar 18 14:06:51 2007 -0700
@@ -0,0 +1,242 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2006 INRIA
+ * All rights reserved.
+ *
+ * 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: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
+ */
+
+#ifndef SV_TRACE_SOURCE_H
+#define SV_TRACE_SOURCE_H
+
+#include "callback-trace-source.h"
+#include <stdint.h>
+
+namespace ns3 {
+
+class SVTraceSourceBase {
+public:
+ typedef CallbackTraceSource<int64_t, int64_t> ChangeNotifyCallback;
+
+ SVTraceSourceBase () {}
+ SVTraceSourceBase (SVTraceSourceBase const &o) {}
+ SVTraceSourceBase &operator = (SVTraceSourceBase const &o) {
+ return *this;
+ }
+
+ ~SVTraceSourceBase () {}
+
+ void AddCallback (CallbackBase const & callback, TraceContext const & context) {
+ m_callback.AddCallback (callback, context);
+ }
+ void RemoveCallback (CallbackBase const & callback) {
+ m_callback.RemoveCallback (callback);
+ }
+protected:
+ void Notify (int64_t oldVal, int64_t newVal) {
+ if (oldVal != newVal)
+ {
+ m_callback (oldVal, newVal);
+ }
+ }
+private:
+ ChangeNotifyCallback m_callback;
+};
+
+template <typename T>
+class UVTraceSource;
+
+
+/**
+ * \brief trace variables of type "signed integer"
+ * \ingroup tracing
+ *
+ * This template class implements a POD type: it
+ * behaves like any other variable of type "signed integer"
+ * except that it also reports any changes to its
+ * value with its internal callback.
+ *
+ * To instantiate a 32-bit signed variable (to store
+ * a TCP counter for example), you would create a variable of type
+ * ns3::UVTraceSource<int32_t> :
+ \code
+ #include <stdint.h>
+ #include "ns3/sv-trace-source.h"
+
+ ns3::SVTraceSource<uint16_t> var;
+ \endcode
+ * and you would use it like any other variable of type int32_t:
+ \code
+ var += 12;
+ var = 10;
+ var = -10;
+ \endcode
+ */
+template <typename T>
+class SVTraceSource : public SVTraceSourceBase {
+public:
+ SVTraceSource ()
+ : m_var (0)
+ {}
+ SVTraceSource (T const &var)
+ : m_var (var)
+ {}
+
+ SVTraceSource &operator = (SVTraceSource const &o) {
+ Assign (o.Get ());
+ return *this;
+ }
+ template <typename TT>
+ SVTraceSource &operator = (SVTraceSource<TT> const &o) {
+ Assign (o.Get ());
+ return *this;
+ }
+ template <typename TT>
+ SVTraceSource &operator = (UVTraceSource<TT> const &o) {
+ Assign (o.Get ());
+ return *this;
+ }
+ SVTraceSource &operator++ () {
+ Assign (Get () + 1);
+ return *this;
+ }
+ SVTraceSource &operator-- () {
+ Assign (Get () - 1);
+ return *this;
+ }
+ SVTraceSource operator++ (int) {
+ SVTraceSource old (*this);
+ ++*this;
+ return old;
+ }
+ SVTraceSource operator-- (int) {
+ SVTraceSource old (*this);
+ --*this;
+ return old;
+ }
+ operator T () const {
+ return Get ();
+ }
+
+
+ void Assign (T var) {
+ Notify (m_var, var);
+ m_var = var;
+ }
+ T Get (void) const {
+ return m_var;
+ }
+
+private:
+ T m_var;
+};
+
+template <typename T>
+SVTraceSource<T> &operator += (SVTraceSource<T> &lhs, SVTraceSource<T> const &rhs) {
+ lhs.Assign (lhs.Get () + rhs.Get ());
+ return lhs;
+}
+template <typename T>
+SVTraceSource<T> &operator -= (SVTraceSource<T> &lhs, SVTraceSource<T> const &rhs) {
+ lhs.Assign (lhs.Get () - rhs.Get ());
+ return lhs;
+}
+template <typename T>
+SVTraceSource<T> &operator *= (SVTraceSource<T> &lhs, SVTraceSource<T> const &rhs) {
+ lhs.Assign (lhs.Get () * rhs.Get ());
+ return lhs;
+}
+template <typename T>
+SVTraceSource<T> &operator /= (SVTraceSource<T> &lhs, SVTraceSource<T> const &rhs) {
+ lhs.Assign (lhs.Get () / rhs.Get ());
+ return lhs;
+}
+template <typename T>
+SVTraceSource<T> &operator <<= (SVTraceSource<T> &lhs, SVTraceSource<T> const &rhs) {
+ lhs.Assign (lhs.Get () << rhs.Get ());
+ return lhs;
+}
+template <typename T>
+SVTraceSource<T> &operator >>= (SVTraceSource<T> &lhs, SVTraceSource<T> const &rhs) {
+ lhs.Assign (lhs.Get () >> rhs.Get ());
+ return lhs;
+}
+template <typename T>
+SVTraceSource<T> &operator &= (SVTraceSource<T> &lhs, SVTraceSource<T> const &rhs) {
+ lhs.Assign (lhs.Get () & rhs.Get ());
+ return lhs;
+}
+template <typename T>
+SVTraceSource<T> &operator |= (SVTraceSource<T> &lhs, SVTraceSource<T> const &rhs) {
+ lhs.Assign (lhs.Get () | rhs.Get ());
+ return lhs;
+}
+template <typename T>
+SVTraceSource<T> &operator ^= (SVTraceSource<T> &lhs, SVTraceSource<T> const &rhs) {
+ lhs.Assign (lhs.Get () ^ rhs.Get ());
+ return lhs;
+}
+
+
+template <typename T, typename U>
+SVTraceSource<T> &operator += (SVTraceSource<T> &lhs, U const &rhs) {
+ lhs.Assign (lhs.Get () + rhs);
+ return lhs;
+}
+template <typename T, typename U>
+SVTraceSource<T> &operator -= (SVTraceSource<T> &lhs, U const &rhs) {
+ lhs.Assign (lhs.Get () - rhs);
+ return lhs;
+}
+template <typename T, typename U>
+SVTraceSource<T> &operator *= (SVTraceSource<T> &lhs, U const &rhs) {
+ lhs.Assign (lhs.Get () * rhs);
+ return lhs;
+}
+template <typename T, typename U>
+SVTraceSource<T> &operator /= (SVTraceSource<T> &lhs, U const &rhs) {
+ lhs.Assign (lhs.Get () / rhs);
+ return lhs;
+}
+template <typename T, typename U>
+SVTraceSource<T> &operator <<= (SVTraceSource<T> &lhs, U const &rhs) {
+ lhs.Assign (lhs.Get () << rhs);
+ return lhs;
+}
+template <typename T, typename U>
+SVTraceSource<T> &operator >>= (SVTraceSource<T> &lhs, U const &rhs) {
+ lhs.Assign (lhs.Get () >> rhs);
+ return lhs;
+}
+template <typename T, typename U>
+SVTraceSource<T> &operator &= (SVTraceSource<T> &lhs, U const &rhs) {
+ lhs.Assign (lhs.Get () & rhs);
+ return lhs;
+}
+template <typename T, typename U>
+SVTraceSource<T> &operator |= (SVTraceSource<T> &lhs, U const &rhs) {
+ lhs.Assign (lhs.Get () | rhs);
+ return lhs;
+}
+template <typename T, typename U>
+SVTraceSource<T> &operator ^= (SVTraceSource<T> &lhs, U const &rhs) {
+ lhs.Assign (lhs.Get () ^ rhs);
+ return lhs;
+}
+
+}; // namespace ns3
+
+#endif /* SV_TRACE_SOURCE_H */