1 | // [Licence]
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2 | // The Ariba-Underlay Copyright
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3 | //
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4 | // Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)
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5 | //
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6 | // Institute of Telematics
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7 | // UniversitÀt Karlsruhe (TH)
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8 | // Zirkel 2, 76128 Karlsruhe
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9 | // Germany
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10 | //
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11 | // Redistribution and use in source and binary forms, with or without
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12 | // modification, are permitted provided that the following conditions are
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13 | // met:
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14 | //
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15 | // 1. Redistributions of source code must retain the above copyright
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16 | // notice, this list of conditions and the following disclaimer.
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17 | // 2. Redistributions in binary form must reproduce the above copyright
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18 | // notice, this list of conditions and the following disclaimer in the
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19 | // documentation and/or other materials provided with the distribution.
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20 | //
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21 | // THIS SOFTWARE IS PROVIDED BY THE INSTITUTE OF TELEMATICS ``AS IS'' AND
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22 | // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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23 | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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24 | // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ARIBA PROJECT OR
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25 | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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26 | // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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27 | // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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28 | // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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29 | // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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30 | // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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31 | // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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32 | //
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33 | // The views and conclusions contained in the software and documentation
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34 | // are those of the authors and should not be interpreted as representing
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35 | // official policies, either expressed or implied, of the Institute of
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36 | // Telematics.
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37 | // [Licence]
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38 |
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39 | #ifndef SYSTEMEVENT_H_
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40 | #define SYSTEMEVENT_H_
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41 |
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42 | #include <boost/date_time.hpp>
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43 | #include <iostream>
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44 | #include "SystemEventType.h"
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45 |
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46 | using boost::posix_time::ptime;
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47 |
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48 | namespace ariba {
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49 | namespace utility {
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50 |
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51 | class SystemQueue;
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52 | class SystemEventListener;
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53 |
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54 | class SystemEvent {
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55 | friend class SystemQueue;
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56 | private:
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57 | SystemEventListener* listener; //< handler of the event
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58 | SystemEventType type; //< type of the event
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59 | const void* data; //< data attached to the event
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60 |
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61 | public:
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62 | // TODO: these should be private, but the gcc 3.4 in scratchbox for cross-compiling
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63 | // for Maemo (Nokia N810) gets confused when the friend class SystemQueue has a
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64 | // private class that accesses these variables. Therefore they are public for now.
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65 | ptime scheduledTime; //< time the event was originally given to the queue
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66 | uint32_t delayTime; //< time the event is scheduled at, or 0 if it is to be fired immediately
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67 | uint32_t remainingDelay; //< remaining delay time for sleeping
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68 |
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69 | public:
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70 | inline SystemEvent(
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71 | SystemEventListener* mlistener,
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72 | SystemEventType mtype = SystemEventType::DEFAULT,
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73 | void* mdata = NULL)
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74 | : scheduledTime(boost::posix_time::not_a_date_time),
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75 | delayTime(0),
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76 | remainingDelay(0),
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77 | listener(mlistener),
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78 | type(mtype),
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79 | data(mdata) {
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80 | }
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81 |
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82 | template<typename T>
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83 | inline SystemEvent( SystemEventListener* mlistener,
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84 | SystemEventType mtype = SystemEventType::DEFAULT,
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85 | T* mdata = NULL)
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86 | : scheduledTime(boost::posix_time::not_a_date_time),
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87 | delayTime(0),
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88 | remainingDelay(0),
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89 | listener(mlistener),
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90 | type(mtype),
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91 | data((void*)mdata) {
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92 | }
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93 |
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94 |
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95 |
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96 | inline SystemEvent(const SystemEvent& copy) {
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97 | this->scheduledTime = copy.scheduledTime;
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98 | this->delayTime = copy.delayTime;
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99 | this->remainingDelay = copy.remainingDelay;
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100 | this->listener = copy.listener;
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101 | this->type = copy.type;
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102 | this->data = copy.data;
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103 | }
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104 |
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105 | inline void operator=(const SystemEvent& right) {
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106 | this->scheduledTime = right.scheduledTime;
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107 | this->delayTime = right.delayTime;
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108 | this->remainingDelay = right.remainingDelay;
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109 | this->listener = right.listener;
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110 | this->type = right.type;
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111 | this->data = right.data;
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112 | }
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113 |
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114 | inline ~SystemEvent() {
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115 | }
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116 |
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117 | template<typename T>
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118 | inline operator T() const {
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119 | return (T) (data);
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120 | }
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121 |
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122 | inline const SystemEventListener* getListener() const {
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123 | return listener;
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124 | }
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125 |
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126 | template<typename T>
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127 | inline T* getData() const {
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128 | return (T*)*this;
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129 | }
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130 |
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131 | inline const SystemEventType getType() const {
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132 | return type;
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133 | }
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134 |
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135 | inline const ptime getScheduledTime() const {
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136 | return scheduledTime;
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137 | }
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138 |
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139 | inline const uint32_t getRemainingDelay() const {
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140 | return remainingDelay;
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141 | }
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142 |
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143 | inline bool operator<(const SystemEvent& right) const {
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144 | return remainingDelay < right.remainingDelay;
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145 | }
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146 |
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147 | };
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148 |
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149 | }} // spovnet, common
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150 |
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151 | #endif /* SYSTEMEVENT_H_ */
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