1
2/*
3 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright

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34 * be the targets of wakeup events. There is only two methods,
35 * wakeup() and print() and no data members.
36 *
37 */
38
39#ifndef CONSUMER_H
40#define CONSUMER_H
41
42#include <iostream>
43
44#include "mem/ruby/common/Global.hh"
45#include "mem/ruby/eventqueue/RubyEventQueue.hh"
46
47class MessageBuffer;
48
49class Consumer {
50public:
51 // Constructors
52 Consumer() { m_last_scheduled_wakeup = 0; m_last_wakeup = 0; }
53
54 // Destructor
55 virtual ~Consumer() { }
56
57 // Public Methods - pure virtual methods
58 // void triggerWakeup() { Time time = g_eventQueue_ptr->getTime(); if (m_last_wakeup != time) { wakeup(); m_last_wakeup = time; }}
59 void triggerWakeup(RubyEventQueue * eventQueue) { Time time = eventQueue->getTime(); if (m_last_wakeup != time) { wakeup(); m_last_wakeup = time; }}
60 virtual void wakeup() = 0;
61 virtual void print(std::ostream& out) const = 0;
62 const Time& getLastScheduledWakeup() const { return m_last_scheduled_wakeup; }
63 void setLastScheduledWakeup(const Time& time) { m_last_scheduled_wakeup = time; }
64
65private:
66 // Private Methods
67
68 // Data Members (m_ prefix)
69 Time m_last_scheduled_wakeup;
70 Time m_last_wakeup;
71};
72
73// Output operator declaration
74inline extern
75std::ostream& operator<<(std::ostream& out, const Consumer& obj);
76
77// ******************* Definitions *******************
78
79// Output operator definition
80inline extern
81std::ostream& operator<<(std::ostream& out, const Consumer& obj)
82{
83 obj.print(out);
84 out << std::flush;
85 return out;
86}
87
88#endif //CONSUMER_H