gpfsCommon.h

Go to the documentation of this file.

#ifndef __gpfsCommon_h__
#define __gpfsCommon_h__
#include "posixFileCommon.h"
#include "gpfsFcntlHandler.h"
#include <bitset>
 
 
class gpfsIoCommon: virtual public posixFileIoCommon {
  protected:
    off_t leastRecentlyAccessedBlock;
    off_t leastRecentlyReleasedBlock;
    std::bitset<64> usedBlockMap;
    std::bitset<64> nextUsedBlockMap;
    std::mutex blockBookkeepingMutex;
    void releaseUsedBlocks(size_t aBlockSize);
    void handleParallelUsedBlocks(size_t aBlockSize, off_t offset);
  public:
    class attrDataType: public posixFileIoCommon::attrDataType {
      public:
        char buffer[0x10000];
        int size;
        ~attrDataType() override = default;
        void set(ioHandle* handle) override;
    };
    gpfsIoCommon(const std::string& aPath);
    ~gpfsIoCommon() override = default;
    std::unique_ptr<ioHandle::attrDataType> getAttrData(const outputHandler::base* aOutputHandler) override;
    std::unique_ptr<acl::list> getAclData() override;
    static std::unique_ptr<acl::list> aclFromGpfs(const gpfs_acl_handler& acl, const std::string& aPath);
};
 
 
 
#endif