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BlockchainDB: remove lock/unlock methods

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jeffro256 2024-04-11 12:12:35 -05:00
parent c8214782fb
commit 262ef473db
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4 changed files with 0 additions and 57 deletions
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35
src/blockchain_db/blockchain_db.h
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@ -718,41 +718,6 @@ public:
*/
virtual std::string get_db_name() const = 0;
// FIXME: these are just for functionality mocking, need to implement
// RAII-friendly and multi-read one-write friendly locking mechanism
//
// acquire db lock
/**
* @brief acquires the BlockchainDB lock
*
* This function is a stub until such a time as locking is implemented at
* this level.
*
* The subclass implementation should return true unless implementing a
* locking scheme of some sort, in which case it should return true upon
* acquisition of the lock and block until then.
*
* If any of this cannot be done, the subclass should throw the corresponding
* subclass of DB_EXCEPTION
*
* @return true, unless at a future time false makes sense (timeout, etc)
*/
virtual bool lock() = 0;
// release db lock
/**
* @brief This function releases the BlockchainDB lock
*
* The subclass, should it have implemented lock(), will release any lock
* held by the calling thread. In the case of recursive locking, it should
* release one instance of a lock.
*
* If any of this cannot be done, the subclass should throw the corresponding
* subclass of DB_EXCEPTION
*/
virtual void unlock() = 0;
/**
* @brief tells the BlockchainDB to start a new "batch" of blocks
*

16
src/blockchain_db/lmdb/db_lmdb.cpp
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@ -1688,22 +1688,6 @@ std::string BlockchainLMDB::get_db_name() const
return std::string("lmdb");
}
// TODO: this?
bool BlockchainLMDB::lock()
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
return false;
}
// TODO: this?
void BlockchainLMDB::unlock()
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
}
// The below two macros are for DB access within block add/remove, whether
// regular batch txn is in use or not. m_write_txn is used as a batch txn, even
// if it's only within block add/remove.

4
src/blockchain_db/lmdb/db_lmdb.h
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@ -202,10 +202,6 @@ public:
virtual std::string get_db_name() const;
virtual bool lock();
virtual void unlock();
virtual bool block_exists(const crypto::hash& h, uint64_t *height = NULL) const;
virtual uint64_t get_block_height(const crypto::hash& h) const;

2
src/blockchain_db/testdb.h
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@ -50,8 +50,6 @@ public:
virtual std::vector<std::string> get_filenames() const override { return std::vector<std::string>(); }
virtual bool remove_data_file(const std::string& folder) const override { return true; }
virtual std::string get_db_name() const override { return std::string(); }
virtual bool lock() override { return true; }
virtual void unlock() override { }
virtual bool batch_start(uint64_t batch_num_blocks=0, uint64_t batch_bytes=0) override { return true; }
virtual void batch_stop() override {}
virtual void batch_abort() override {}