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unison/src/core/composite-trace-resolver.h
2007-09-06 13:32:29 +02:00

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2007 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 COMPOSITE_TRACE_RESOLVER_H
#define COMPOSITE_TRACE_RESOLVER_H
#include <vector>
#include "callback.h"
#include "ptr.h"
#include "trace-resolver.h"
#include "callback-trace-source.h"
#include "uv-trace-source.h"
#include "sv-trace-source.h"
#include "fv-trace-source.h"
#include "array-trace-resolver.h"
#include "trace-doc.h"
namespace ns3 {
/**
* \brief a helper class to aggregate contained TraceResolver and other trace sources.
* \ingroup tracing
*/
class CompositeTraceResolver : public TraceResolver
{
public:
CompositeTraceResolver ();
virtual ~CompositeTraceResolver ();
/**
* \param name name of trace source
* \param doc the documentation associated to this trace source
* \param trace a callback trace source
* \param context the context associated to this trace source
*
* Add a callback trace source in this resolver. This trace
* source will match the name specified during namespace
* resolution. The TraceContext of this trace source will also
* be automatically extended to contain the input context.
*/
template <typename T>
void AddSource (std::string name, const TraceDoc &doc,
const TraceSource &trace, T const &context);
/**
* \param name name of trace source
* \param doc the documentation associated to this trace source
* \param trace a callback trace source
*
* Add a callback trace source in this resolver. This trace
* source will match the name specified during namespace
* resolution.
*/
void AddSource (std::string name,
const TraceDoc &doc,
const TraceSource &trace);
/**
* \param name the name of the composite element
* \param composite the composite object
*
* The input composite object will be used to resolve a connection
* of a disconnection attempt if its name matches the trace path.
*
*/
void AddComposite (std::string name, Ptr<Object> composite);
/**
* \param name the name of the composite element
* \param composite the composite object
* \param contextElement the context element associated to the composite
*
* The input composite object will be used to resolve a connection
* of a disconnection attempt if its name matches the trace path.
* The contextElement will be appended to the TraceContext during connection.
*/
template <typename T>
void AddComposite (std::string name, Ptr<Object> composite, const T &contextElement);
/**
* \param name the name of the array
* \param begin an iterator which points to the first element of the array
* \param end an iterator which points to the last element of the array
* \param index an object which can store the index of an element in the
* array. In practice, this object should support a constructor
* whose single argument is an array index.
*/
template <typename ITERATOR, typename INDEX>
void AddArray (std::string name,
ITERATOR begin, ITERATOR end, INDEX index);
/**
* \param parent the parent trace resolver
*
* The parent trace resolver is the trace resolver returned by the
* GetTraceResolver method of the base class of the caller. It is
* used during connection and disconnection to chain up the connect
* and disconnect calls to the parent.
*/
void SetParentResolver (Ptr<TraceResolver> parent);
private:
virtual void Connect (std::string path, CallbackBase const &cb, const TraceContext &context);
virtual void Disconnect (std::string path, CallbackBase const &cb);
virtual void CollectSources (std::string path, const TraceContext &context,
SourceCollection *collection);
virtual void TraceAll (std::ostream &os, const TraceContext &context);
friend class CompositeTraceResolverTest;
class ResolveItem
{
public:
virtual ~ResolveItem () {}
virtual void Connect (std::string subpath, const CallbackBase &cb, const TraceContext &context) = 0;
virtual void Disconnect (std::string subpath, const CallbackBase &cb) = 0;
virtual void CollectSources (std::string path, const TraceContext &context,
SourceCollection *collection) = 0;
virtual void TraceAll (std::ostream &os, const TraceContext &context) = 0;
std::string name;
TraceContext context;
};
typedef std::vector<ResolveItem *> TraceItems;
class Operation
{
public:
virtual ~Operation () {}
virtual void Do (std::string subpath, ResolveItem *item) const = 0;
virtual void DoParent (std::string path, Ptr<TraceResolver> parent) const = 0;
};
void AddItem (ResolveItem *item);
void DoRecursiveOperation (std::string path,
const Operation &operation);
void DoRecursiveOperationForParent (std::string path,
const Operation &operation);
void DoAddComposite (std::string name, Ptr<Object> composite, const TraceContext &context);
void DoAddSource (std::string name,
const TraceDoc &doc,
const TraceSource &trace,
const TraceContext &context);
void Add (std::string name,
Callback<Ptr<TraceResolver> > createResolver);
CompositeTraceResolver::TraceItems m_items;
Ptr<TraceResolver> m_parent;
};
}//namespace ns3
namespace ns3 {
template <typename T>
void
CompositeTraceResolver::AddSource (std::string name,
const TraceDoc &doc,
const TraceSource &trace,
T const &context)
{
TraceContext ctx;
ctx.AddElement (context);
DoAddSource (name, doc, trace, ctx);
}
template <typename ITERATOR, typename INDEX>
void
CompositeTraceResolver::AddArray (std::string name,
ITERATOR begin, ITERATOR end, INDEX index)
{
class ArrayResolveItem : public ResolveItem
{
public:
virtual void Connect (std::string subpath, const CallbackBase &cb, const TraceContext &context)
{array->Connect (subpath, cb, context);}
virtual void Disconnect (std::string subpath, const CallbackBase &cb)
{array->Disconnect (subpath, cb);}
virtual void CollectSources (std::string path, const TraceContext &context,
SourceCollection *collection)
{
path.append ("/");
path.append (this->name);
TraceContext ctx = context;
ctx.Union (this->context);
array->CollectSources (path, ctx, collection);
}
virtual void TraceAll (std::ostream &os, const TraceContext &context)
{
TraceContext ctx = context;
ctx.Union (this->context);
array->TraceAll (os, ctx);
}
Ptr<ArrayTraceResolver<INDEX> > array;
} *item = new ArrayResolveItem ();
item->name = name;
item->context = TraceContext ();
item->array = Create<ArrayTraceResolver<INDEX> > ();
item->array->SetIterators (begin, end);
AddItem (item);
}
template <typename T>
void
CompositeTraceResolver::AddComposite (std::string name, Ptr<Object> composite, const T &contextElement)
{
TraceContext context;
context.AddElement (contextElement);
DoAddComposite (name, composite, context);
}
}//namespace ns3
#endif /* COMPOSITE_TRACE_RESOLVER_H */