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 "mem/ruby/common/Global.hh"
43#include "mem/ruby/eventqueue/RubyEventQueue.hh"
44
45class MessageBuffer;
46
47class Consumer {
48public:
49 // Constructors
50 Consumer() { m_last_scheduled_wakeup = 0; m_last_wakeup = 0; }
51
52 // Destructor
53 virtual ~Consumer() { }
54
55 // Public Methods - pure virtual methods
56 // void triggerWakeup() { Time time = g_eventQueue_ptr->getTime(); if (m_last_wakeup != time) { wakeup(); m_last_wakeup = time; }}
57 void triggerWakeup(RubyEventQueue * eventQueue) { Time time = eventQueue->getTime(); if (m_last_wakeup != time) { wakeup(); m_last_wakeup = time; }}
58 virtual void wakeup() = 0;
59 virtual void print(ostream& out) const = 0;
60 const Time& getLastScheduledWakeup() const { return m_last_scheduled_wakeup; }
61 void setLastScheduledWakeup(const Time& time) { m_last_scheduled_wakeup = time; }
62
63private:
64 // Private Methods
65
66 // Data Members (m_ prefix)
67 Time m_last_scheduled_wakeup;
68 Time m_last_wakeup;
69};
70
71// Output operator declaration
72inline extern
73ostream& operator<<(ostream& out, const Consumer& obj);
74
75// ******************* Definitions *******************
76
77// Output operator definition
78inline extern
79ostream& operator<<(ostream& out, const Consumer& obj)
80{
81 obj.print(out);
82 out << flush;
83 return out;
84}
85
86#endif //CONSUMER_H