LCOV - code coverage report
Current view: top level - src - cyclingvector.h (source / functions) Hit Total Coverage
Test: total_coverage.info Lines: 5 5 100.0 %
Date: 2025-02-23 09:33:43 Functions: 3 3 100.0 %

          Line data    Source code
       1             : // Copyright (c) 2020 The PIVX Core developers
       2             : // Distributed under the MIT software license, see the accompanying
       3             : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       4             : 
       5             : #ifndef PIVX_CYCLINGVECTOR_H
       6             : #define PIVX_CYCLINGVECTOR_H
       7             : 
       8             : #include <sync.h>
       9             : #include <vector>
      10             : 
      11             : /*
      12             :  * Vector container that keeps only MAX_SIZE elements.
      13             :  * Initialized with empty objects.
      14             :  * Exposes only atomic getter and setter
      15             :  * (which cycles the vector index modulo MAX_SIZE)
      16             :  */
      17             : template <typename T>
      18             : class CyclingVector
      19             : {
      20             : private:
      21             :     mutable RecursiveMutex cs;
      22             :     unsigned int MAX_SIZE;
      23             :     std::vector<T> vec;
      24             : 
      25             : public:
      26         479 :     CyclingVector(unsigned int _MAX_SIZE, const T& defaultVal):
      27             :         MAX_SIZE(_MAX_SIZE),
      28         479 :         vec(_MAX_SIZE, defaultVal)
      29             :     {}
      30             : 
      31       98419 :     T Get(int idx) const { LOCK(cs); return vec[idx % MAX_SIZE]; }
      32       66257 :     void Set(int idx, const T& value) { LOCK(cs); vec[idx % MAX_SIZE] = value; }
      33          12 :     std::vector<T> GetCache() const { LOCK(cs); return vec; }
      34             : };
      35             : 
      36             : #endif // PIVX_CYCLINGVECTOR_H

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