Last change
on this file since 650 was
639,
checked in by rlacroix, 9 years ago
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Add a basic garbage collector to ensure no packets linger in the filter graph.
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File size:
1.5 KB
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1 | #ifndef __XIOS_CGarbageCollector__ |
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2 | #define __XIOS_CGarbageCollector__ |
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3 | |
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4 | #include <map> |
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5 | #include <set> |
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6 | |
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7 | #include "input_pin.hpp" |
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8 | |
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9 | namespace xios |
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10 | { |
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11 | /*! |
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12 | * A basic garbage collector which ensures no old packets linger in the filter graph. |
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13 | */ |
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14 | class CGarbageCollector |
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15 | { |
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16 | public: |
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17 | /*! |
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18 | * Constructs a garbage collector. |
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19 | */ |
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20 | CGarbageCollector() |
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21 | { /* Nothing to do */ }; |
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22 | |
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23 | /*! |
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24 | * Registers a filter for a specified timestamp. |
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25 | * |
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26 | * \param inputPin the input pin of the filter to register |
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27 | * \param timestamp the timestamp for which the filter is registered |
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28 | */ |
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29 | void registerFilter(CInputPin* inputPin, Time timestamp); |
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30 | |
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31 | /*! |
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32 | * Removes a filter previously registered for a specified timestamp. |
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33 | * |
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34 | * \param inputPin the input pin of the filter to unregister |
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35 | * \param timestamp the timestamp for which the filter is unregistered |
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36 | */ |
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37 | void unregisterFilter(CInputPin* inputPin, Time timestamp); |
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38 | |
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39 | /*! |
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40 | * Ensures all registered filters invalidate packets older than the specified timestamp. |
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41 | * |
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42 | * \param timestamp the timestamp used for invalidation |
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43 | */ |
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44 | void invalidate(Time timestamp); |
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45 | |
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46 | private: |
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47 | CGarbageCollector(const CGarbageCollector&); |
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48 | CGarbageCollector& operator=(const CGarbageCollector&); |
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49 | |
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50 | std::map<Time, std::set<CInputPin*> > registeredFilters; //!< Currently registered filters |
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51 | }; // class CGarbageCollector |
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52 | } // namespace xios |
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53 | |
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54 | #endif //__XIOS_CGarbageCollector__ |
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