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read txn/cursor stuff

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Could wrap more later.
This commit is contained in:
Howard Chu
2016-02-18 12:09:57 +00:00
parent 86a7f2b1e7
commit 8cc7a36f0b
8 changed files with 339 additions and 166 deletions
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src/blockchain_db/lmdb/db_lmdb.cpp
+259 -136
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File diff suppressed because it is too large Load Diff
src/blockchain_db/lmdb/db_lmdb.h
+58 -20
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@@ -30,6 +30,7 @@
#include "blockchain_db/blockchain_db.h"
#include "cryptonote_protocol/blobdatatype.h" // for type blobdata
#include <boost/thread/tss.hpp>
#include <lmdb.h>
@@ -38,7 +39,7 @@
namespace cryptonote
{
struct mdb_txn_cursors
typedef struct mdb_txn_cursors
{
MDB_cursor *m_txc_blocks;
MDB_cursor *m_txc_block_heights;
@@ -59,24 +60,58 @@ struct mdb_txn_cursors
MDB_cursor *m_txc_tx_outputs;
MDB_cursor *m_txc_spent_keys;
};
#define m_cur_blocks m_cursors.m_txc_blocks
#define m_cur_block_heights m_cursors.m_txc_block_heights
#define m_cur_block_hashes m_cursors.m_txc_block_hashes
#define m_cur_block_timestamps m_cursors.m_txc_block_timestamps
#define m_cur_block_sizes m_cursors.m_txc_block_sizes
#define m_cur_block_diffs m_cursors.m_txc_block_diffs
#define m_cur_block_coins m_cursors.m_txc_block_coins
#define m_cur_output_txs m_cursors.m_txc_output_txs
#define m_cur_output_indices m_cursors.m_txc_output_indices
#define m_cur_output_amounts m_cursors.m_txc_output_amounts
#define m_cur_output_keys m_cursors.m_txc_output_keys
#define m_cur_txs m_cursors.m_txc_txs
#define m_cur_tx_heights m_cursors.m_txc_tx_heights
#define m_cur_tx_unlocks m_cursors.m_txc_tx_unlocks
#define m_cur_tx_outputs m_cursors.m_txc_tx_outputs
#define m_cur_spent_keys m_cursors.m_txc_spent_keys
MDB_cursor *m_txc_hf_versions;
} mdb_txn_cursors;
#define m_cur_blocks m_cursors->m_txc_blocks
#define m_cur_block_heights m_cursors->m_txc_block_heights
#define m_cur_block_hashes m_cursors->m_txc_block_hashes
#define m_cur_block_timestamps m_cursors->m_txc_block_timestamps
#define m_cur_block_sizes m_cursors->m_txc_block_sizes
#define m_cur_block_diffs m_cursors->m_txc_block_diffs
#define m_cur_block_coins m_cursors->m_txc_block_coins
#define m_cur_output_txs m_cursors->m_txc_output_txs
#define m_cur_output_indices m_cursors->m_txc_output_indices
#define m_cur_output_amounts m_cursors->m_txc_output_amounts
#define m_cur_output_keys m_cursors->m_txc_output_keys
#define m_cur_txs m_cursors->m_txc_txs
#define m_cur_tx_heights m_cursors->m_txc_tx_heights
#define m_cur_tx_unlocks m_cursors->m_txc_tx_unlocks
#define m_cur_tx_outputs m_cursors->m_txc_tx_outputs
#define m_cur_spent_keys m_cursors->m_txc_spent_keys
#define m_cur_hf_versions m_cursors->m_txc_hf_versions
typedef struct mdb_rflags
{
bool m_rf_txn;
bool m_rf_blocks;
bool m_rf_block_heights;
bool m_rf_block_hashes;
bool m_rf_block_timestamps;
bool m_rf_block_sizes;
bool m_rf_block_diffs;
bool m_rf_block_coins;
bool m_rf_output_txs;
bool m_rf_output_indices;
bool m_rf_output_amounts;
bool m_rf_output_keys;
bool m_rf_txs;
bool m_rf_tx_heights;
bool m_rf_tx_unlocks;
bool m_rf_tx_outputs;
bool m_rf_spent_keys;
bool m_rf_hf_versions;
} mdb_rflags;
typedef struct mdb_threadinfo
{
MDB_txn *m_ti_rtxn; // per-thread read txn
mdb_txn_cursors m_ti_rcursors; // per-thread read cursors
mdb_rflags m_ti_rflags; // per-thread read state
~mdb_threadinfo();
} mdb_threadinfo;
struct mdb_txn_safe
{
@@ -234,9 +269,11 @@ public:
virtual void batch_stop();
virtual void batch_abort();
virtual void block_txn_start();
virtual void block_txn_start(bool readonly);
virtual void block_txn_stop();
virtual void block_txn_abort();
virtual bool block_rtxn_start() const;
virtual void block_rtxn_stop() const;
virtual void pop_block(block& blk, std::vector<transaction>& txs);
@@ -355,7 +392,8 @@ private:
bool m_batch_transactions; // support for batch transactions
bool m_batch_active; // whether batch transaction is in progress
struct mdb_txn_cursors m_cursors;
mdb_txn_cursors m_wcursors;
mutable boost::thread_specific_ptr<mdb_threadinfo> m_tinfo;
#if defined(__arm__)
// force a value so it can compile with 32-bit ARM