68 lines
1.2 KiB
C++
68 lines
1.2 KiB
C++
#ifndef __DATA_STORE_HH__
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#define __DATA_STORE_HH__
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#include <stdint.h>
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#define DATA_KEY_RANGE 1000
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struct ds_data
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{
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uint32_t key;
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uint32_t metadata; /* Type etc */
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size_t sz;
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uint8_t data[];
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};
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class DataStore;
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class DataStore
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{
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public:
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DataStore();
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~DataStore();
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/**
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* Register a new datum from the network.
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*
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* @param key The key to register with
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* @param metadata The metadata
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* @param data The data to register
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* @param data_sz The size of the data
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*
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* @return the old datum with that key, or NULL
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*/
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struct ds_data *registerNetworkData(uint32_t key, uint32_t metadata,
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void *data, size_t data_sz);
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/**
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* Get the next key for registered data
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*
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* @return a valid key
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*/
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uint32_t getNextKey();
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/**
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* Unregister a datum.
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*
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* @param key The key to unregister
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*
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* @return the unregistered datum, or NULL if it didn't exist
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*/
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struct ds_data *unregisterData(uint32_t key);
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struct ds_data *getData(uint32_t key);
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static DataStore *ds;
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private:
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struct ds_data *registerData(uint32_t key, struct ds_data *data);
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struct ds_data **registeredData;
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int n_registeredData;
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uint32_t key_counter;
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};
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#endif /* __DATA_STORE_HH__ */
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