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/*
 * Copyright (c) 2008 Princeton University
 * 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.
 *
 * Authors: Niket Agarwal
 */

#include "mem/ruby/network/garnet-fixed-pipeline/NetworkHeader.hh"
#include "mem/ruby/slicc_interface/Message.hh"

#ifndef FLIT_H
#define FLIT_H

class flit {
public:
        flit(int id, int vc, int vnet, int size, MsgPtr msg_ptr);

        int get_size();
        int get_id();
        Time get_time();
        Time get_enqueue_time();
        void set_time(Time time);
        int get_vnet();
        int get_vc();
        void set_vc(int vc);
        MsgPtr& get_msg_ptr();
        flit_type get_type();
        void print(ostream&out) const;

private:
/************Data Members*************/
        int m_id;
        int m_vnet;
        int m_vc;
        int m_size;
        Time m_enqueue_time, m_time;
        flit_type m_type;
        MsgPtr m_msg_ptr;

};

inline extern bool node_less_then_eq(flit* n1, flit* n2);

inline extern
bool node_less_then_eq(flit* n1, flit* n2)
{
  if (n1->get_time() == n2->get_time()) {
//    ASSERT(n1->flit_id != n2->flit_id);
    return (n1->get_id() <= n2->get_id());
  } else {
    return (n1->get_time() <= n2->get_time());
  }
}

// Output operator declaration
ostream& operator<<(ostream& out, const flit& obj);

// ******************* Definitions *******************

// Output operator definition
extern inline
ostream& operator<<(ostream& out, const flit& obj)
{
  obj.print(out);
  out << flush;
  return out;
}

#endif