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/*
* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// NetDest specifies the network destination of a NetworkMessage
// This is backward compatible with the Set class that was previously
// used to specify network destinations.
// NetDest supports both node networks and component networks
#ifndef __MEM_RUBY_COMMON_NETDEST_HH__
#define __MEM_RUBY_COMMON_NETDEST_HH__
#include <iostream>
#include "mem/gems_common/Vector.hh"
#include "mem/protocol/MachineType.hh"
#include "mem/ruby/common/Global.hh"
#include "mem/ruby/common/Set.hh"
#include "mem/ruby/system/MachineID.hh"
#include "mem/ruby/system/NodeID.hh"
class NetDest
{
public:
// Constructors
// creates and empty set
NetDest();
explicit NetDest(int bit_size);
NetDest& operator=(const Set& obj);
~NetDest()
{
DEBUG_MSG(MEMORY_COMP, LowPrio, "NetDest Destructor");
}
void add(MachineID newElement);
void addNetDest(const NetDest& netDest);
void addRandom();
void setNetDest(MachineType machine, const Set& set);
void remove(MachineID oldElement);
void removeNetDest(const NetDest& netDest);
void clear();
void broadcast();
void broadcast(MachineType machine);
int count() const;
bool isEqual(const NetDest& netDest);
// return the logical OR of this netDest and orNetDest
NetDest OR(const NetDest& orNetDest) const;
// return the logical AND of this netDest and andNetDest
NetDest AND(const NetDest& andNetDest) const;
// Returns true if the intersection of the two netDests is non-empty
bool intersectionIsNotEmpty(const NetDest& other_netDest) const;
// Returns true if the intersection of the two netDests is empty
bool intersectionIsEmpty(const NetDest& other_netDest) const;
bool isSuperset(const NetDest& test) const;
bool isSubset(const NetDest& test) const { return test.isSuperset(*this); }
bool isElement(MachineID element) const;
bool isBroadcast() const;
bool isEmpty() const;
// For Princeton Network
Vector<NodeID> getAllDest();
MachineID smallestElement() const;
MachineID smallestElement(MachineType machine) const;
void setSize();
int getSize() const { return m_bits.size(); }
// get element for a index
NodeID elementAt(MachineID index);
void print(std::ostream& out) const;
private:
// returns a value >= MachineType_base_level("this machine")
// and < MachineType_base_level("next highest machine")
int
vecIndex(MachineID m) const
{
int vec_index = MachineType_base_level(m.type);
assert(vec_index < m_bits.size());
return vec_index;
}
NodeID
bitIndex(NodeID index) const
{
return index;
}
Vector <Set> m_bits; // a Vector of bit vectors - i.e. Sets
};
inline std::ostream&
operator<<(std::ostream& out, const NetDest& obj)
{
obj.print(out);
out << std::flush;
return out;
}
#endif // __MEM_RUBY_COMMON_NETDEST_HH__
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