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-rw-r--r--src/blockchain_db/lmdb/db_lmdb.cpp132
-rw-r--r--src/blockchain_db/lmdb/db_lmdb.h7
-rw-r--r--src/cryptonote_core/blockchain.cpp4
-rw-r--r--src/cryptonote_core/cryptonote_core.cpp40
-rw-r--r--src/cryptonote_core/cryptonote_core.h18
5 files changed, 97 insertions, 104 deletions
diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp
index 0a35325e4..96afdb0ea 100644
--- a/src/blockchain_db/lmdb/db_lmdb.cpp
+++ b/src/blockchain_db/lmdb/db_lmdb.cpp
@@ -377,7 +377,50 @@ void mdb_txn_safe::allow_new_txns()
creation_gate.clear();
}
+void lmdb_resized(MDB_env *env)
+{
+ mdb_txn_safe::prevent_new_txns();
+
+ MGINFO("LMDB map resize detected.");
+
+ MDB_envinfo mei;
+
+ mdb_env_info(env, &mei);
+ uint64_t old = mei.me_mapsize;
+
+ mdb_txn_safe::wait_no_active_txns();
+
+ int result = mdb_env_set_mapsize(env, 0);
+ if (result)
+ throw0(DB_ERROR(lmdb_error("Failed to set new mapsize: ", result).c_str()));
+
+ mdb_env_info(env, &mei);
+ uint64_t new_mapsize = mei.me_mapsize;
+
+ MGINFO("LMDB Mapsize increased." << " Old: " << old / (1024 * 1024) << "MiB" << ", New: " << new_mapsize / (1024 * 1024) << "MiB");
+
+ mdb_txn_safe::allow_new_txns();
+}
+inline int lmdb_txn_begin(MDB_env *env, MDB_txn *parent, unsigned int flags, MDB_txn **txn)
+{
+ int res = mdb_txn_begin(env, parent, flags, txn);
+ if (res == MDB_MAP_RESIZED) {
+ lmdb_resized(env);
+ res = mdb_txn_begin(env, parent, flags, txn);
+ }
+ return res;
+}
+
+inline int lmdb_txn_renew(MDB_txn *txn)
+{
+ int res = mdb_txn_renew(txn);
+ if (res == MDB_MAP_RESIZED) {
+ lmdb_resized(mdb_txn_env(txn));
+ res = mdb_txn_renew(txn);
+ }
+ return res;
+}
void BlockchainLMDB::do_resize(uint64_t increase_size)
{
@@ -561,7 +604,7 @@ uint64_t BlockchainLMDB::get_estimated_batch_size(uint64_t batch_num_blocks) con
{
LOG_PRINT_L1("No existing blocks to check for average block size");
}
- else if (m_cum_count)
+ else if (m_cum_count >= num_prev_blocks)
{
avg_block_size = m_cum_size / m_cum_count;
LOG_PRINT_L1("average block size across recent " << m_cum_count << " blocks: " << avg_block_size);
@@ -570,6 +613,9 @@ uint64_t BlockchainLMDB::get_estimated_batch_size(uint64_t batch_num_blocks) con
}
else
{
+ MDB_txn *rtxn;
+ mdb_txn_cursors *rcurs;
+ block_rtxn_start(&rtxn, &rcurs);
for (uint64_t block_num = block_start; block_num <= block_stop; ++block_num)
{
uint32_t block_size = get_block_size(block_num);
@@ -578,6 +624,7 @@ uint64_t BlockchainLMDB::get_estimated_batch_size(uint64_t batch_num_blocks) con
// some blocks were to be skipped for being outliers.
++num_blocks_used;
}
+ block_rtxn_stop();
avg_block_size = total_block_size / num_blocks_used;
LOG_PRINT_L1("average block size across recent " << num_blocks_used << " blocks: " << avg_block_size);
}
@@ -702,7 +749,7 @@ uint64_t BlockchainLMDB::add_transaction_data(const crypto::hash& blk_hash, cons
uint64_t m_height = height();
int result;
- uint64_t tx_id = m_num_txs;
+ uint64_t tx_id = num_txs();
CURSOR(txs)
CURSOR(tx_indices)
@@ -735,7 +782,6 @@ uint64_t BlockchainLMDB::add_transaction_data(const crypto::hash& blk_hash, cons
if (result)
throw0(DB_ERROR(lmdb_error("Failed to add tx blob to db transaction: ", result).c_str()));
- m_num_txs++;
return tx_id;
}
@@ -783,8 +829,6 @@ void BlockchainLMDB::remove_transaction_data(const crypto::hash& tx_hash, const
// Don't delete the tx_indices entry until the end, after we're done with val_tx_id
if (mdb_cursor_del(m_cur_tx_indices, 0))
throw1(DB_ERROR("Failed to add removal of tx index to db transaction"));
-
- m_num_txs--;
}
uint64_t BlockchainLMDB::add_output(const crypto::hash& tx_hash,
@@ -797,6 +841,7 @@ uint64_t BlockchainLMDB::add_output(const crypto::hash& tx_hash,
check_open();
mdb_txn_cursors *m_cursors = &m_wcursors;
uint64_t m_height = height();
+ uint64_t m_num_outputs = num_outputs();
int result = 0;
@@ -849,7 +894,6 @@ uint64_t BlockchainLMDB::add_output(const crypto::hash& tx_hash,
if ((result = mdb_cursor_put(m_cur_output_amounts, &val_amount, &data, MDB_APPENDDUP)))
throw0(DB_ERROR(lmdb_error("Failed to add output pubkey to db transaction: ", result).c_str()));
- m_num_outputs++;
return ok.amount_index;
}
@@ -934,8 +978,6 @@ void BlockchainLMDB::remove_output(const uint64_t amount, const uint64_t& out_in
result = mdb_cursor_del(m_cur_output_amounts, 0);
if (result)
throw0(DB_ERROR(lmdb_error(std::string("Error deleting amount for output index ").append(boost::lexical_cast<std::string>(out_index).append(": ")).c_str(), result).c_str()));
-
- m_num_outputs--;
}
void BlockchainLMDB::add_spent_key(const crypto::key_image& k_image)
@@ -1000,7 +1042,7 @@ tx_out BlockchainLMDB::output_from_blob(const blobdata& blob) const
void BlockchainLMDB::check_open() const
{
- LOG_PRINT_L3("BlockchainLMDB::" << __func__);
+// LOG_PRINT_L3("BlockchainLMDB::" << __func__);
if (!m_open)
throw0(DB_ERROR("DB operation attempted on a not-open DB instance"));
}
@@ -1155,16 +1197,6 @@ void BlockchainLMDB::open(const std::string& filename, const int mdb_flags)
LOG_PRINT_L2("Setting m_height to: " << db_stats.ms_entries);
uint64_t m_height = db_stats.ms_entries;
- // get and keep current number of txs
- if ((result = mdb_stat(txn, m_txs, &db_stats)))
- throw0(DB_ERROR(lmdb_error("Failed to query m_txs: ", result).c_str()));
- m_num_txs = db_stats.ms_entries;
-
- // get and keep current number of outputs
- if ((result = mdb_stat(txn, m_output_txs, &db_stats)))
- throw0(DB_ERROR(lmdb_error("Failed to query m_output_txs: ", result).c_str()));
- m_num_outputs = db_stats.ms_entries;
-
bool compatible = true;
MDB_val_copy<const char*> k("version");
@@ -1270,7 +1302,7 @@ void BlockchainLMDB::reset()
check_open();
mdb_txn_safe txn;
- if (auto result = mdb_txn_begin(m_env, NULL, 0, txn))
+ if (auto result = lmdb_txn_begin(m_env, NULL, 0, txn))
throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str()));
if (auto result = mdb_drop(txn, m_blocks, 0))
@@ -1304,7 +1336,6 @@ void BlockchainLMDB::reset()
throw0(DB_ERROR(lmdb_error("Failed to write version to database: ", result).c_str()));
txn.commit();
- m_num_outputs = 0;
m_cum_size = 0;
m_cum_count = 0;
}
@@ -1354,7 +1385,7 @@ void BlockchainLMDB::unlock()
txn_ptr = m_write_txn; \
else \
{ \
- if (auto mdb_res = mdb_txn_begin(m_env, NULL, flags, auto_txn)) \
+ 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())); \
} \
@@ -1388,7 +1419,7 @@ void BlockchainLMDB::unlock()
txn_ptr = m_write_txn; \
else \
{ \
- if (auto mdb_res = mdb_txn_begin(m_env, NULL, flags, auto_txn)) \
+ 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())); \
} \
@@ -1714,6 +1745,34 @@ uint64_t BlockchainLMDB::height() const
return db_stats.ms_entries;
}
+uint64_t BlockchainLMDB::num_txs() const
+{
+ LOG_PRINT_L3("BlockchainLMDB::" << __func__);
+ check_open();
+ TXN_PREFIX_RDONLY();
+ int result;
+
+ // get current height
+ MDB_stat db_stats;
+ if ((result = mdb_stat(m_txn, m_txs, &db_stats)))
+ throw0(DB_ERROR(lmdb_error("Failed to query m_txs: ", result).c_str()));
+ return db_stats.ms_entries;
+}
+
+uint64_t BlockchainLMDB::num_outputs() const
+{
+ LOG_PRINT_L3("BlockchainLMDB::" << __func__);
+ check_open();
+ TXN_PREFIX_RDONLY();
+ int result;
+
+ // get current height
+ MDB_stat db_stats;
+ if ((result = mdb_stat(m_txn, m_output_txs, &db_stats)))
+ throw0(DB_ERROR(lmdb_error("Failed to query m_output_txs: ", result).c_str()));
+ return db_stats.ms_entries;
+}
+
bool BlockchainLMDB::tx_exists(const crypto::hash& h) const
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
@@ -2279,7 +2338,7 @@ bool BlockchainLMDB::batch_start(uint64_t batch_num_blocks)
m_write_batch_txn = new mdb_txn_safe();
// NOTE: need to make sure it's destroyed properly when done
- if (auto mdb_res = mdb_txn_begin(m_env, NULL, 0, *m_write_batch_txn))
+ if (auto mdb_res = lmdb_txn_begin(m_env, NULL, 0, *m_write_batch_txn))
{
delete m_write_batch_txn;
m_write_batch_txn = nullptr;
@@ -2398,12 +2457,12 @@ bool BlockchainLMDB::block_rtxn_start(MDB_txn **mtxn, mdb_txn_cursors **mcur) co
m_tinfo.reset(new mdb_threadinfo);
memset(&m_tinfo->m_ti_rcursors, 0, sizeof(m_tinfo->m_ti_rcursors));
memset(&m_tinfo->m_ti_rflags, 0, sizeof(m_tinfo->m_ti_rflags));
- if (auto mdb_res = mdb_txn_begin(m_env, NULL, MDB_RDONLY, &m_tinfo->m_ti_rtxn))
+ if (auto mdb_res = lmdb_txn_begin(m_env, NULL, MDB_RDONLY, &m_tinfo->m_ti_rtxn))
throw0(DB_ERROR_TXN_START(lmdb_error("Failed to create a read transaction for the db: ", mdb_res).c_str()));
ret = true;
} else if (!m_tinfo->m_ti_rflags.m_rf_txn)
{
- if (auto mdb_res = mdb_txn_renew(m_tinfo->m_ti_rtxn))
+ if (auto mdb_res = lmdb_txn_renew(m_tinfo->m_ti_rtxn))
throw0(DB_ERROR_TXN_START(lmdb_error("Failed to renew a read transaction for the db: ", mdb_res).c_str()));
ret = true;
}
@@ -2436,12 +2495,12 @@ void BlockchainLMDB::block_txn_start(bool readonly)
m_tinfo.reset(new mdb_threadinfo);
memset(&m_tinfo->m_ti_rcursors, 0, sizeof(m_tinfo->m_ti_rcursors));
memset(&m_tinfo->m_ti_rflags, 0, sizeof(m_tinfo->m_ti_rflags));
- if (auto mdb_res = mdb_txn_begin(m_env, NULL, MDB_RDONLY, &m_tinfo->m_ti_rtxn))
+ if (auto mdb_res = lmdb_txn_begin(m_env, NULL, MDB_RDONLY, &m_tinfo->m_ti_rtxn))
throw0(DB_ERROR_TXN_START(lmdb_error("Failed to create a read transaction for the db: ", mdb_res).c_str()));
didit = true;
} else if (!m_tinfo->m_ti_rflags.m_rf_txn)
{
- if (auto mdb_res = mdb_txn_renew(m_tinfo->m_ti_rtxn))
+ if (auto mdb_res = lmdb_txn_renew(m_tinfo->m_ti_rtxn))
throw0(DB_ERROR_TXN_START(lmdb_error("Failed to renew a read transaction for the db: ", mdb_res).c_str()));
didit = true;
}
@@ -2467,7 +2526,7 @@ void BlockchainLMDB::block_txn_start(bool readonly)
{
m_writer = boost::this_thread::get_id();
m_write_txn = new mdb_txn_safe();
- if (auto mdb_res = mdb_txn_begin(m_env, NULL, 0, *m_write_txn))
+ if (auto mdb_res = lmdb_txn_begin(m_env, NULL, 0, *m_write_txn))
{
delete m_write_txn;
m_write_txn = nullptr;
@@ -2545,8 +2604,6 @@ uint64_t BlockchainLMDB::add_block(const block& blk, const size_t& block_size, c
}
}
- uint64_t num_txs = m_num_txs;
- uint64_t num_outputs = m_num_outputs;
try
{
BlockchainDB::add_block(blk, block_size, cumulative_difficulty, coins_generated, txs);
@@ -2557,8 +2614,6 @@ uint64_t BlockchainLMDB::add_block(const block& blk, const size_t& block_size, c
}
catch (...)
{
- m_num_txs = num_txs;
- m_num_outputs = num_outputs;
block_txn_abort();
throw;
}
@@ -2573,8 +2628,6 @@ void BlockchainLMDB::pop_block(block& blk, std::vector<transaction>& txs)
block_txn_start(false);
- uint64_t num_txs = m_num_txs;
- uint64_t num_outputs = m_num_outputs;
try
{
BlockchainDB::pop_block(blk, txs);
@@ -2582,8 +2635,6 @@ void BlockchainLMDB::pop_block(block& blk, std::vector<transaction>& txs)
}
catch (...)
{
- m_num_txs = num_txs;
- m_num_outputs = num_outputs;
block_txn_abort();
throw;
}
@@ -3257,8 +3308,6 @@ void BlockchainLMDB::migrate_0_1()
lmdb_db_open(txn, LMDB_OUTPUT_AMOUNTS, MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED | MDB_CREATE, m_output_amounts, "Failed to open db handle for m_output_amounts");
mdb_set_dupsort(txn, m_output_amounts, compare_uint64);
txn.commit();
- m_num_txs = 0;
- m_num_outputs = 0;
} while(0);
do {
@@ -3329,12 +3378,9 @@ void BlockchainLMDB::migrate_0_1()
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for txs: ", result).c_str()));
if (!i) {
MDB_stat ms;
- mdb_stat(txn, m_output_txs, &ms);
- m_num_outputs = ms.ms_entries;
mdb_stat(txn, m_txs, &ms);
- m_num_txs = i = ms.ms_entries;
+ i = ms.ms_entries;
if (i) {
- m_num_txs = i;
MDB_val_set(pk, "txblk");
result = mdb_cursor_get(c_props, &pk, &k, MDB_SET);
if (result)
diff --git a/src/blockchain_db/lmdb/db_lmdb.h b/src/blockchain_db/lmdb/db_lmdb.h
index e7faf8cdc..b4e3c7174 100644
--- a/src/blockchain_db/lmdb/db_lmdb.h
+++ b/src/blockchain_db/lmdb/db_lmdb.h
@@ -312,6 +312,9 @@ private:
virtual void remove_spent_key(const crypto::key_image& k_image);
+ uint64_t num_txs() const;
+ uint64_t num_outputs() const;
+
// Hard fork
virtual void set_hard_fork_version(uint64_t height, uint8_t version);
virtual uint8_t get_hard_fork_version(uint64_t height) const;
@@ -369,10 +372,8 @@ private:
MDB_dbi m_properties;
- uint64_t m_num_txs;
- uint64_t m_num_outputs;
mutable uint64_t m_cum_size; // used in batch size estimation
- mutable int m_cum_count;
+ mutable unsigned int m_cum_count;
std::string m_folder;
mdb_txn_safe* m_write_txn; // may point to either a short-lived txn or a batch txn
mdb_txn_safe* m_write_batch_txn; // persist batch txn outside of BlockchainLMDB
diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
index a81286632..d5fefffcd 100644
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@@ -1986,12 +1986,14 @@ bool Blockchain::find_blockchain_supplement(const std::list<crypto::hash>& qbloc
return false;
}
+ m_db->block_txn_start(true);
resp.total_height = get_current_blockchain_height();
size_t count = 0;
for(size_t i = resp.start_height; i < resp.total_height && count < BLOCKS_IDS_SYNCHRONIZING_DEFAULT_COUNT; i++, count++)
{
resp.m_block_ids.push_back(m_db->get_block_hash_from_height(i));
}
+ m_db->block_txn_stop();
return true;
}
//------------------------------------------------------------------
@@ -2022,6 +2024,7 @@ bool Blockchain::find_blockchain_supplement(const uint64_t req_start_block, cons
}
}
+ m_db->block_txn_start(true);
total_height = get_current_blockchain_height();
size_t count = 0;
for(size_t i = start_height; i < total_height && count < max_count; i++, count++)
@@ -2032,6 +2035,7 @@ bool Blockchain::find_blockchain_supplement(const uint64_t req_start_block, cons
get_transactions(blocks.back().first.tx_hashes, blocks.back().second, mis);
CHECK_AND_ASSERT_MES(!mis.size(), false, "internal error, transaction from block not found");
}
+ m_db->block_txn_stop();
return true;
}
//------------------------------------------------------------------
diff --git a/src/cryptonote_core/cryptonote_core.cpp b/src/cryptonote_core/cryptonote_core.cpp
index b940dba3c..239ef5d84 100644
--- a/src/cryptonote_core/cryptonote_core.cpp
+++ b/src/cryptonote_core/cryptonote_core.cpp
@@ -219,40 +219,6 @@ namespace cryptonote
return m_blockchain_storage.get_alternative_blocks_count();
}
//-----------------------------------------------------------------------------------------------
- bool core::lock_db_directory(const boost::filesystem::path &path)
- {
- // boost doesn't like locking directories...
- const boost::filesystem::path lock_path = path / ".daemon_lock";
-
- try
- {
- // ensure the file exists
- std::ofstream(lock_path.string(), std::ios::out).close();
-
- db_lock = boost::interprocess::file_lock(lock_path.string().c_str());
- LOG_PRINT_L1("Locking " << lock_path.string());
- if (!db_lock.try_lock())
- {
- LOG_ERROR("Failed to lock " << lock_path.string());
- return false;
- }
- return true;
- }
- catch (const std::exception &e)
- {
- LOG_ERROR("Error trying to lock " << lock_path.string() << ": " << e.what());
- return false;
- }
- }
- //-----------------------------------------------------------------------------------------------
- bool core::unlock_db_directory()
- {
- db_lock.unlock();
- db_lock = boost::interprocess::file_lock();
- LOG_PRINT_L1("Blockchain directory successfully unlocked");
- return true;
- }
- //-----------------------------------------------------------------------------------------------
bool core::init(const boost::program_options::variables_map& vm, const cryptonote::test_options *test_options)
{
start_time = std::time(nullptr);
@@ -284,11 +250,6 @@ namespace cryptonote
// make sure the data directory exists, and try to lock it
CHECK_AND_ASSERT_MES (boost::filesystem::exists(folder) || boost::filesystem::create_directories(folder), false,
std::string("Failed to create directory ").append(folder.string()).c_str());
- if (!lock_db_directory (folder))
- {
- LOG_ERROR ("Failed to lock " << folder);
- return false;
- }
// check for blockchain.bin
try
@@ -440,7 +401,6 @@ namespace cryptonote
m_miner.stop();
m_mempool.deinit();
m_blockchain_storage.deinit();
- unlock_db_directory();
return true;
}
//-----------------------------------------------------------------------------------------------
diff --git a/src/cryptonote_core/cryptonote_core.h b/src/cryptonote_core/cryptonote_core.h
index fe1d11916..1463c2feb 100644
--- a/src/cryptonote_core/cryptonote_core.h
+++ b/src/cryptonote_core/cryptonote_core.h
@@ -763,24 +763,6 @@ namespace cryptonote
*/
bool relay_txpool_transactions();
- /**
- * @brief locks a file in the BlockchainDB directory
- *
- * @param path the directory in which to place the file
- *
- * @return true if lock acquired successfully, otherwise false
- */
- bool lock_db_directory(const boost::filesystem::path &path);
-
- /**
- * @brief unlocks the db directory
- *
- * @note see lock_db_directory()
- *
- * @return true
- */
- bool unlock_db_directory();
-
bool m_test_drop_download = true; //!< whether or not to drop incoming blocks (for testing)
uint64_t m_test_drop_download_height = 0; //!< height under which to drop incoming blocks, if doing so
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 02:54:59 +0000