An Overlay-based
Virtual Network Substrate
SpoVNet

source: source/ariba/utility/system/SystemEvent.h

Last change on this file was 12764, checked in by hock@…, 10 years ago

New SystemQueue?...

... is passing all unit tests, now. :-)

File size: 4.7 KB
Line 
1// [License]
2// The Ariba-Underlay Copyright
3//
4// Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)
5//
6// Institute of Telematics
7// UniversitÀt Karlsruhe (TH)
8// Zirkel 2, 76128 Karlsruhe
9// Germany
10//
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12// modification, are permitted provided that the following conditions are
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14//
15// 1. Redistributions of source code must retain the above copyright
16// notice, this list of conditions and the following disclaimer.
17// 2. Redistributions in binary form must reproduce the above copyright
18// notice, this list of conditions and the following disclaimer in the
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20//
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22// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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25// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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32//
33// The views and conclusions contained in the software and documentation
34// are those of the authors and should not be interpreted as representing
35// official policies, either expressed or implied, of the Institute of
36// Telematics.
37// [License]
38
39#ifndef SYSTEMEVENT_H_
40#define SYSTEMEVENT_H_
41
42#include <boost/date_time.hpp>
43#include <iostream>
44#include "SystemEventType.h"
45
46using boost::posix_time::ptime;
47
48namespace ariba {
49namespace utility {
50
51class SystemQueue;
52class SystemEventListener;
53
54class SystemEvent {
55        friend class SystemQueue;
56private:
57        SystemEventListener* listener; //< handler of the event
58        SystemEventType type; //< type of the event
59        const void* data; //< data attached to the event
60
61public:
62        // TODO: these should be private, but the gcc 3.4 in scratchbox for cross-compiling
63        // for Maemo (Nokia N810) gets confused when the friend class SystemQueue has a
64        // private class that accesses these variables. Therefore they are public for now.
65        ptime scheduledTime; //< time the event was originally given to the queue
66        ptime deadline; //< time when the event should be executed  TODO Mario
67        uint32_t delayTime; //< time the event is scheduled at, or 0 if it is to be fired immediately
68        uint32_t remainingDelay; //< remaining delay time for sleeping
69
70public:
71        inline SystemEvent(SystemEventListener* mlistener, SystemEventType mtype =
72                        SystemEventType::DEFAULT, void* mdata = NULL) :
73                listener(mlistener), 
74                type(mtype), 
75                data(mdata), 
76                scheduledTime(boost::posix_time::not_a_date_time),
77                deadline(boost::posix_time::not_a_date_time),
78                delayTime(0),
79                remainingDelay(0)
80        {
81        }
82
83        template<typename T>
84        inline SystemEvent(SystemEventListener* mlistener, SystemEventType mtype =
85                        SystemEventType::DEFAULT, T* mdata = NULL) :
86                listener(mlistener), 
87                type(mtype), 
88                data((void*) mdata), 
89                scheduledTime(boost::posix_time::not_a_date_time),
90                deadline(boost::posix_time::not_a_date_time),
91                delayTime(0),
92                remainingDelay(0) {
93        }
94
95        inline SystemEvent(const SystemEvent& copy) {
96                this->scheduledTime = copy.scheduledTime;
97        this->deadline = copy.deadline;
98                this->delayTime = copy.delayTime;
99                this->remainingDelay = copy.remainingDelay;
100                this->listener = copy.listener;
101                this->type = copy.type;
102                this->data = copy.data;
103        }
104
105        inline void operator=(const SystemEvent& right) {
106                this->scheduledTime = right.scheduledTime;
107        this->deadline = right.deadline;
108                this->delayTime = right.delayTime;
109                this->remainingDelay = right.remainingDelay;
110                this->listener = right.listener;
111                this->type = right.type;
112                this->data = right.data;
113        }
114
115        inline ~SystemEvent() {
116        }
117
118        template<typename T>
119        inline operator T() const {
120                return (T) (data);
121        }
122
123        inline SystemEventListener* getListener() const {
124                return listener;
125        }
126
127        template<typename T>
128        inline T* getData() const {
129                return (T*) *this;
130        }
131
132        inline const SystemEventType getType() const {
133                return type;
134        }
135
136        inline const ptime getScheduledTime() const {
137                return scheduledTime;
138        }
139
140        inline const uint32_t getRemainingDelay() const {
141                return remainingDelay;
142        }
143
144        bool operator<(const SystemEvent& right) const
145        {
146                return this->deadline < right.deadline;
147        }
148
149    bool operator>(const SystemEvent& right) const
150    {
151        return this->deadline > right.deadline;
152    }
153
154};
155
156}
157} // spovnet, common
158
159#endif /* SYSTEMEVENT_H_ */
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