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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.
*/
#ifndef __MEM_RUBY_BUFFERS_MESSAGEBUFFERNODE_HH__
#define __MEM_RUBY_BUFFERS_MESSAGEBUFFERNODE_HH__
#include <iostream>
#include "mem/ruby/common/Global.hh"
#include "mem/ruby/slicc_interface/Message.hh"
class MessageBufferNode
{
public:
MessageBufferNode()
{
m_time = 0;
m_msg_counter = 0;
}
MessageBufferNode(const Time& time, int counter, const MsgPtr& msgptr)
{
m_time = time;
m_msgptr = msgptr;
m_msg_counter = counter;
}
void print(std::ostream& out) const;
public:
Time m_time;
int m_msg_counter; // FIXME, should this be a 64-bit value?
MsgPtr m_msgptr;
};
inline bool
node_less_then_eq(const MessageBufferNode& n1, const MessageBufferNode& n2)
{
if (n1.m_time == n2.m_time) {
assert(n1.m_msg_counter != n2.m_msg_counter);
return (n1.m_msg_counter <= n2.m_msg_counter);
} else {
return (n1.m_time <= n2.m_time);
}
}
inline std::ostream&
operator<<(std::ostream& out, const MessageBufferNode& obj)
{
obj.print(out);
out << std::flush;
return out;
}
#endif // __MEM_RUBY_BUFFERS_MESSAGEBUFFERNODE_HH__
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