db_lmdb.cpp File Reference

#include "db_lmdb.h"
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
#include <boost/format.hpp>
#include <boost/circular_buffer.hpp>
#include <memory>
#include <cstring>
#include "string_tools.h"
#include "common/util.h"
#include "common/pruning.h"
#include "cryptonote_basic/cryptonote_format_utils.h"
#include "crypto/crypto.h"
#include "profile_tools.h"
#include "ringct/rctOps.h"

Include dependency graph for db_lmdb.cpp:

Classes
struct	cryptonote::mdb_block_info_1
struct	cryptonote::mdb_block_info_2
struct	cryptonote::mdb_block_info_3
struct	cryptonote::mdb_block_info_4
struct	cryptonote::blk_height
struct	cryptonote::pre_rct_outkey
struct	cryptonote::outkey
struct	cryptonote::outtx

Namespaces
namespace	cryptonote
	Holds cryptonote related classes and helpers.

Macros
#define	MONERO_DEFAULT_LOG_CATEGORY   "blockchain.db.lmdb"
#define	VERSION   5
#define	MDB_val_set(var, val)
#define	MDB_val_sized(var, val)
#define	MDB_val_str(var, val)
#define	CURSOR(name)
#define	RCURSOR(name)
#define	TXN_PREFIX(flags)
#define	TXN_PREFIX_RDONLY()
#define	TXN_POSTFIX_RDONLY()
#define	TXN_POSTFIX_SUCCESS()
#define	TXN_BLOCK_PREFIX(flags)
#define	TXN_BLOCK_POSTFIX_SUCCESS()
#define	RENAME_DB(name)
#define	LOGIF(y)
#define	DELETE_DB(x)

Typedefs
typedef struct cryptonote::mdb_block_info_1	cryptonote::mdb_block_info_1
typedef struct cryptonote::mdb_block_info_2	cryptonote::mdb_block_info_2
typedef struct cryptonote::mdb_block_info_3	cryptonote::mdb_block_info_3
typedef struct cryptonote::mdb_block_info_4	cryptonote::mdb_block_info_4
typedef mdb_block_info_4	cryptonote::mdb_block_info
typedef struct cryptonote::blk_height	cryptonote::blk_height
typedef struct cryptonote::pre_rct_outkey	cryptonote::pre_rct_outkey
typedef struct cryptonote::outkey	cryptonote::outkey
typedef struct cryptonote::outtx	cryptonote::outtx

Enumerations
enum	{ cryptonote::prune_mode_prune , cryptonote::prune_mode_update , cryptonote::prune_mode_check }

Functions
void	cryptonote::lmdb_resized (MDB_env *env, int isactive)
int	cryptonote::lmdb_txn_begin (MDB_env *env, MDB_txn *parent, unsigned int flags, MDB_txn **txn)
int	cryptonote::lmdb_txn_renew (MDB_txn *txn)
static bool	cryptonote::is_v1_tx (MDB_cursor *c_txs_pruned, MDB_val *tx_id)
template<class t_pod_type>
std::string	pod_to_hex (const t_pod_type &s)

Macro Definition Documentation

CURSOR

#define CURSOR

(

name

)

Value:

if (!m_cur_ ## name) { \
  int result = mdb_cursor_open(*m_write_txn, m_ ## name, &m_cur_ ## name); \
  if (result) \
    throw0(DB_ERROR(lmdb_error("Failed to open cursor: ", result).c_str())); \
}

DELETE_DB

#define DELETE_DB

(

x

)

Value:

do {   \
LOG_PRINT_L1("  " x ":"); \
result = mdb_txn_begin(m_env, NULL, 0, txn); \
if (result) \
  throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str())); \
result = mdb_dbi_open(txn, x, 0, &dbi); \
if (!result) { \
  result = mdb_drop(txn, dbi, 1); \
  if (result) \
    throw0(DB_ERROR(lmdb_error("Failed to delete " x ": ", result).c_str())); \
txn.commit(); \
} } while(0)

LOGIF

#define LOGIF

(

y

)

Value:

if (ELPP->vRegistry()->allowed(y, "global"))

MDB_val_set

#define MDB_val_set	(		var,
			val )

Value:

MDB_val var = {sizeof(val), (void *)&val}

MDB_val_sized

#define MDB_val_sized	(		var,
			val )

Value:

MDB_val var = {val.size(), (void *)val.data()}

MDB_val_str

#define MDB_val_str	(		var,
			val )

Value:

MDB_val var = {strlen(val) + 1, (void *)val}

MONERO_DEFAULT_LOG_CATEGORY

#define MONERO_DEFAULT_LOG_CATEGORY   "blockchain.db.lmdb"

RCURSOR

#define RCURSOR

(

name

)

Value:

if (!m_cur_ ## name) { \
  int result = mdb_cursor_open(m_txn, m_ ## name, (MDB_cursor **)&m_cur_ ## name); \
  if (result) \
    throw0(DB_ERROR(lmdb_error("Failed to open cursor: ", result).c_str())); \
  if (m_cursors != &m_wcursors) \
    m_tinfo->m_ti_rflags.m_rf_ ## name = true; \
} else if (m_cursors != &m_wcursors && !m_tinfo->m_ti_rflags.m_rf_ ## name) { \
  int result = mdb_cursor_renew(m_txn, m_cur_ ## name); \
  if (result) \
    throw0(DB_ERROR(lmdb_error("Failed to renew cursor: ", result).c_str())); \
  m_tinfo->m_ti_rflags.m_rf_ ## name = true; \
}

RENAME_DB

#define RENAME_DB

(

name

)

Value:

do { \
char n2[] = name; \
MDB_dbi tdbi; \
n2[sizeof(n2)-2]--; \
/* play some games to put (name) on a writable page */ \
result = mdb_dbi_open(txn, n2, MDB_CREATE, &tdbi); \
if (result) \
  throw0(DB_ERROR(lmdb_error("Failed to create " + std::string(n2) + ": ", result).c_str())); \
result = mdb_drop(txn, tdbi, 1); \
if (result) \
  throw0(DB_ERROR(lmdb_error("Failed to delete " + std::string(n2) + ": ", result).c_str())); \
k.mv_data = (void *)name; \
k.mv_size = sizeof(name)-1; \
result = mdb_cursor_open(txn, 1, &c_cur); \
if (result) \
  throw0(DB_ERROR(lmdb_error("Failed to open a cursor for " name ": ", result).c_str())); \
result = mdb_cursor_get(c_cur, &k, NULL, MDB_SET_KEY); \
if (result) \
  throw0(DB_ERROR(lmdb_error("Failed to get DB record for " name ": ", result).c_str())); \
ptr = (char *)k.mv_data; \
ptr[sizeof(name)-2]++; } while(0)

TXN_BLOCK_POSTFIX_SUCCESS

#define TXN_BLOCK_POSTFIX_SUCCESS

(

)

Value:

do { \
  if (! m_batch_active && ! m_write_txn) \
    auto_txn.commit(); \
} while(0)

TXN_BLOCK_PREFIX

#define TXN_BLOCK_PREFIX

(

flags

)

Value:

; \
mdb_txn_safe auto_txn; \
mdb_txn_safe* txn_ptr = &auto_txn; \
if (m_batch_active || m_write_txn) \
  txn_ptr = m_write_txn; \
else \
{ \
  if (auto mdb_res = lmdb_txn_begin(m_env, NULL, flags, auto_txn)) \
    throw0(DB_ERROR(lmdb_error(std::string("Failed to create a transaction for the db in ")+__FUNCTION__+": ", mdb_res).c_str())); \
} \

TXN_POSTFIX_RDONLY

#define TXN_POSTFIX_RDONLY

(

)

TXN_POSTFIX_SUCCESS

#define TXN_POSTFIX_SUCCESS

(

)

Value:

do { \
  if (! m_batch_active) \
    auto_txn.commit(); \
} while(0)

TXN_PREFIX

#define TXN_PREFIX

(

flags

)

Value:

; \
mdb_txn_safe auto_txn; \
mdb_txn_safe* txn_ptr = &auto_txn; \
if (m_batch_active) \
  txn_ptr = m_write_txn; \
else \
{ \
  if (auto mdb_res = lmdb_txn_begin(m_env, NULL, flags, auto_txn)) \
    throw0(DB_ERROR(lmdb_error(std::string("Failed to create a transaction for the db in ")+__FUNCTION__+": ", mdb_res).c_str())); \
} \

TXN_PREFIX_RDONLY

#define TXN_PREFIX_RDONLY

(

)

Value:

MDB_txn *m_txn; \
mdb_txn_cursors *m_cursors; \
mdb_txn_safe auto_txn; \
bool my_rtxn = block_rtxn_start(&m_txn, &m_cursors); \
if (my_rtxn) auto_txn.m_tinfo = m_tinfo.get(); \
else auto_txn.uncheck()

VERSION

#define VERSION   5

Function Documentation

pod_to_hex()

template<class t_pod_type>

std::string epee::string_tools::pod_to_hex

(

const t_pod_type &

s

)