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Merge pull request #286

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d35bffb Allow BlockchainLMDB to be opened in read-only mode (warptangent)
73d3511 Rename "--block-number" option to "--block-stop" (warptangent)
2b2dbd8 Check if chunk size is zero instead of negative (warptangent)
pull/95/head
Riccardo Spagni 9 years ago
parent 21a72bd47b d35bffb950
commit 2dc1cd9ae6
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GPG Key ID: 55432DF31CCD4FCD
4 changed files with 58 additions and 52 deletions
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8
src/blockchain_db/lmdb/db_lmdb.cpp
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@ -678,9 +678,13 @@ void BlockchainLMDB::open(const std::string& filename, const int mdb_flags)
if (auto result = mdb_env_open(m_env, filename.c_str(), mdb_flags, 0644))
throw0(DB_ERROR(std::string("Failed to open lmdb environment: ").append(mdb_strerror(result)).c_str()));
// get a read/write MDB_txn
int txn_flags = 0;
if (mdb_flags & MDB_RDONLY)
txn_flags |= MDB_RDONLY;
// get a read/write MDB_txn, depending on mdb_flags
mdb_txn_safe txn;
if (mdb_txn_begin(m_env, NULL, 0, txn))
if (mdb_txn_begin(m_env, NULL, txn_flags, txn))
throw0(DB_ERROR("Failed to create a transaction for the db"));
// open necessary databases, and set properties as needed

23
src/blockchain_utilities/blockchain_export.cpp
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@ -38,7 +38,7 @@ using namespace epee; // log_space
int main(int argc, char* argv[])
{
uint32_t log_level = 0;
uint64_t block_height = 0;
uint64_t block_stop = 0;
std::string import_filename = BLOCKCHAIN_RAW;
boost::filesystem::path default_data_path {tools::get_default_data_dir()};
@ -46,9 +46,9 @@ int main(int argc, char* argv[])
po::options_description desc_cmd_only("Command line options");
po::options_description desc_cmd_sett("Command line options and settings options");
const command_line::arg_descriptor<uint32_t> arg_log_level = {"log-level", "", log_level};
const command_line::arg_descriptor<uint64_t> arg_block_height = {"block-number", "", block_height};
const command_line::arg_descriptor<bool> arg_testnet_on = {
const command_line::arg_descriptor<uint32_t> arg_log_level = {"log-level", "", log_level};
const command_line::arg_descriptor<uint64_t> arg_block_stop = {"block-stop", "Stop at block number", block_stop};
const command_line::arg_descriptor<bool> arg_testnet_on = {
"testnet"
, "Run on testnet."
, false
@ -57,9 +57,9 @@ int main(int argc, char* argv[])
command_line::add_arg(desc_cmd_sett, command_line::arg_data_dir, default_data_path.string());
command_line::add_arg(desc_cmd_sett, command_line::arg_testnet_data_dir, default_testnet_data_path.string());
command_line::add_arg(desc_cmd_sett, arg_log_level);
command_line::add_arg(desc_cmd_sett, arg_block_height);
command_line::add_arg(desc_cmd_sett, arg_testnet_on);
command_line::add_arg(desc_cmd_sett, arg_log_level);
command_line::add_arg(desc_cmd_sett, arg_block_stop);
command_line::add_arg(desc_cmd_only, command_line::arg_help);
@ -84,7 +84,7 @@ int main(int argc, char* argv[])
}
log_level = command_line::get_arg(vm, arg_log_level);
block_height = command_line::get_arg(vm, arg_block_height);
block_stop = command_line::get_arg(vm, arg_block_stop);
log_space::get_set_log_detalisation_level(true, log_level);
log_space::log_singletone::add_logger(LOGGER_CONSOLE, NULL, NULL);
@ -129,11 +129,14 @@ int main(int argc, char* argv[])
BlockchainDB* db = new BlockchainLMDB();
boost::filesystem::path folder(m_config_folder);
folder /= db->get_db_name();
LOG_PRINT_L0("Loading blockchain from folder " << folder.string() << " ...");
int lmdb_flags = 0;
lmdb_flags |= MDB_RDONLY;
const std::string filename = folder.string();
LOG_PRINT_L0("Loading blockchain from folder " << filename << " ...");
try
{
db->open(filename);
db->open(filename, lmdb_flags);
}
catch (const std::exception& e)
{
@ -148,7 +151,7 @@ int main(int argc, char* argv[])
LOG_PRINT_L0("Exporting blockchain raw data...");
BootstrapFile bootstrap;
r = bootstrap.store_blockchain_raw(core_storage, NULL, output_dir, block_height);
r = bootstrap.store_blockchain_raw(core_storage, NULL, output_dir, block_stop);
CHECK_AND_ASSERT_MES(r, false, "Failed to export blockchain raw data");
LOG_PRINT_L0("Blockchain raw data exported OK");
}

51
src/blockchain_utilities/blockchain_import.cpp
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@ -169,7 +169,7 @@ int pop_blocks(FakeCore& simple_core, int num_blocks)
}
template <typename FakeCore>
int import_from_file(FakeCore& simple_core, std::string& import_file_path, uint64_t stop_height=0)
int import_from_file(FakeCore& simple_core, std::string& import_file_path, uint64_t block_stop=0)
{
#if !defined(BLOCKCHAIN_DB)
static_assert(std::is_same<fake_core_memory, FakeCore>::value || std::is_same<fake_core_lmdb, FakeCore>::value,
@ -230,15 +230,15 @@ int import_from_file(FakeCore& simple_core, std::string& import_file_path, uint6
// Note that a new blockchain will start with block number 0 (total blocks: 1)
// due to genesis block being added at initialization.
if (! stop_height)
if (! block_stop)
{
stop_height = total_source_blocks - 1;
block_stop = total_source_blocks - 1;
}
// These are what we'll try to use, and they don't have to be a determination
// from source and destination blockchains, but those are the defaults.
LOG_PRINT_L0("start block: " << start_height << " stop block: " <<
stop_height);
block_stop);
bool use_batch = false;
if (opt_batch)
@ -277,7 +277,7 @@ int import_from_file(FakeCore& simple_core, std::string& import_file_path, uint6
{
throw std::runtime_error("Error in deserialization of chunk size");
}
LOG_PRINT_L1("chunk_size: " << chunk_size);
LOG_PRINT_L3("chunk_size: " << chunk_size);
if (chunk_size > BUFFER_SIZE)
{
@ -288,8 +288,8 @@ int import_from_file(FakeCore& simple_core, std::string& import_file_path, uint6
{
LOG_PRINT_L0("NOTE: chunk_size " << chunk_size << " > 100000");
}
else if (chunk_size < 0) {
LOG_PRINT_L0("ERROR: chunk_size " << chunk_size << " < 0");
else if (chunk_size == 0) {
LOG_PRINT_L0("ERROR: chunk_size == 0");
return 2;
}
import_file.read(buffer_block, chunk_size);
@ -306,10 +306,10 @@ int import_from_file(FakeCore& simple_core, std::string& import_file_path, uint6
h += NUM_BLOCKS_PER_CHUNK;
continue;
}
if (h > stop_height)
if (h > block_stop)
{
std::cout << refresh_string << "block " << h-1
<< " / " << stop_height
<< " / " << block_stop
<< std::flush;
std::cout << ENDL << ENDL;
LOG_PRINT_L0("Specified block number reached - stopping. block: " << h-1 << " total blocks: " << h);
@ -345,7 +345,7 @@ int import_from_file(FakeCore& simple_core, std::string& import_file_path, uint6
if ((h-1) % progress_interval == 0)
{
std::cout << refresh_string << "block " << h-1
<< " / " << stop_height
<< " / " << block_stop
<< std::flush;
}
@ -531,7 +531,7 @@ int main(int argc, char* argv[])
uint32_t log_level = LOG_LEVEL_0;
uint64_t num_blocks = 0;
uint64_t block_height = 0;
uint64_t block_stop = 0;
std::string dirname;
std::string db_arg_str;
@ -540,10 +540,10 @@ int main(int argc, char* argv[])
po::options_description desc_cmd_only("Command line options");
po::options_description desc_cmd_sett("Command line options and settings options");
const command_line::arg_descriptor<uint32_t> arg_log_level = {"log-level", "", log_level};
const command_line::arg_descriptor<uint64_t> arg_block_height = {"block-number", "stop at block number", block_height};
const command_line::arg_descriptor<uint64_t> arg_batch_size = {"batch-size", "", db_batch_size};
const command_line::arg_descriptor<uint64_t> arg_pop_blocks = {"pop-blocks", "", num_blocks};
const command_line::arg_descriptor<uint32_t> arg_log_level = {"log-level", "", log_level};
const command_line::arg_descriptor<uint64_t> arg_block_stop = {"block-stop", "Stop at block number", block_stop};
const command_line::arg_descriptor<uint64_t> arg_batch_size = {"batch-size", "", db_batch_size};
const command_line::arg_descriptor<uint64_t> arg_pop_blocks = {"pop-blocks", "Remove blocks from end of blockchain", num_blocks};
const command_line::arg_descriptor<bool> arg_testnet_on = {
"testnet"
, "Run on testnet."
@ -567,14 +567,14 @@ int main(int argc, char* argv[])
command_line::add_arg(desc_cmd_sett, command_line::arg_data_dir, default_data_path.string());
command_line::add_arg(desc_cmd_sett, command_line::arg_testnet_data_dir, default_testnet_data_path.string());
command_line::add_arg(desc_cmd_sett, arg_log_level);
command_line::add_arg(desc_cmd_sett, arg_block_height);
command_line::add_arg(desc_cmd_sett, arg_batch_size);
command_line::add_arg(desc_cmd_sett, arg_pop_blocks);
command_line::add_arg(desc_cmd_sett, arg_testnet_on);
command_line::add_arg(desc_cmd_sett, arg_log_level);
command_line::add_arg(desc_cmd_sett, arg_database);
command_line::add_arg(desc_cmd_sett, arg_batch_size);
command_line::add_arg(desc_cmd_sett, arg_block_stop);
command_line::add_arg(desc_cmd_only, arg_count_blocks);
command_line::add_arg(desc_cmd_only, arg_pop_blocks);
command_line::add_arg(desc_cmd_only, command_line::arg_help);
// call add_options() directly for these arguments since
@ -602,7 +602,7 @@ int main(int argc, char* argv[])
opt_verify = command_line::get_arg(vm, arg_verify);
opt_batch = command_line::get_arg(vm, arg_batch);
opt_resume = command_line::get_arg(vm, arg_resume);
block_height = command_line::get_arg(vm, arg_block_height);
block_stop = command_line::get_arg(vm, arg_block_stop);
db_batch_size = command_line::get_arg(vm, arg_batch_size);
if (command_line::get_arg(vm, command_line::arg_help))
@ -634,11 +634,6 @@ int main(int argc, char* argv[])
db_batch_size = db_batch_size_verify;
}
}
uint64_t stop_height = 0;
if (! vm["block-number"].defaulted())
{
stop_height = block_height;
}
std::vector<std::string> db_engines {"memory", "lmdb"};
@ -712,12 +707,12 @@ int main(int argc, char* argv[])
if (db_engine == "lmdb")
{
fake_core_lmdb simple_core(dirname, opt_testnet, opt_batch, mdb_flags);
import_from_file(simple_core, import_file_path, stop_height);
import_from_file(simple_core, import_file_path, block_stop);
}
else if (db_engine == "memory")
{
fake_core_memory simple_core(dirname, opt_testnet);
import_from_file(simple_core, import_file_path, stop_height);
import_from_file(simple_core, import_file_path, block_stop);
}
else
{
@ -747,7 +742,7 @@ int main(int argc, char* argv[])
exit(0);
}
import_from_file(simple_core, import_file_path, stop_height);
import_from_file(simple_core, import_file_path, block_stop);
#endif
}

28
src/blockchain_utilities/bootstrap_file.cpp
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@ -286,9 +286,9 @@ bool BootstrapFile::close()
#if SOURCE_DB == DB_MEMORY
bool BootstrapFile::store_blockchain_raw(blockchain_storage* _blockchain_storage, tx_memory_pool* _tx_pool, boost::filesystem::path& output_dir, uint64_t requested_block_height)
bool BootstrapFile::store_blockchain_raw(blockchain_storage* _blockchain_storage, tx_memory_pool* _tx_pool, boost::filesystem::path& output_dir, uint64_t requested_block_stop)
#else
bool BootstrapFile::store_blockchain_raw(Blockchain* _blockchain_storage, tx_memory_pool* _tx_pool, boost::filesystem::path& output_dir, uint64_t requested_block_height)
bool BootstrapFile::store_blockchain_raw(Blockchain* _blockchain_storage, tx_memory_pool* _tx_pool, boost::filesystem::path& output_dir, uint64_t requested_block_stop)
#endif
{
uint64_t num_blocks_written = 0;
@ -303,20 +303,24 @@ bool BootstrapFile::store_blockchain_raw(Blockchain* _blockchain_storage, tx_mem
return false;
}
block b;
uint64_t height_start = m_height; // height_start uses 0-based height, m_height uses 1-based height. so height_start doesn't need to add 1 here, as it's already at the next height
uint64_t height_stop = 0;
// block_start, block_stop use 0-based height. m_height uses 1-based height. So to resume export
// from last exported block, block_start doesn't need to add 1 here, as it's already at the next
// height.
uint64_t block_start = m_height;
uint64_t block_stop = 0;
LOG_PRINT_L0("source blockchain height: " << m_blockchain_storage->get_current_blockchain_height()-1);
if ((requested_block_height > 0) && (requested_block_height < m_blockchain_storage->get_current_blockchain_height()))
if ((requested_block_stop > 0) && (requested_block_stop < m_blockchain_storage->get_current_blockchain_height()))
{
LOG_PRINT_L0("Using requested block height: " << requested_block_height);
height_stop = requested_block_height;
LOG_PRINT_L0("Using requested block height: " << requested_block_stop);
block_stop = requested_block_stop;
}
else
{
height_stop = m_blockchain_storage->get_current_blockchain_height() - 1;
LOG_PRINT_L0("Using block height of source blockchain: " << height_stop);
block_stop = m_blockchain_storage->get_current_blockchain_height() - 1;
LOG_PRINT_L0("Using block height of source blockchain: " << block_stop);
}
for (m_cur_height = height_start; m_cur_height <= height_stop; ++m_cur_height)
for (m_cur_height = block_start; m_cur_height <= block_stop; ++m_cur_height)
{
// this method's height refers to 0-based height (genesis block = height 0)
crypto::hash hash = m_blockchain_storage->get_block_id_by_height(m_cur_height);
@ -328,7 +332,7 @@ bool BootstrapFile::store_blockchain_raw(Blockchain* _blockchain_storage, tx_mem
}
if (m_cur_height % progress_interval == 0) {
std::cout << refresh_string;
std::cout << "block " << m_cur_height << "/" << height_stop << std::flush;
std::cout << "block " << m_cur_height << "/" << block_stop << std::flush;
}
}
// NOTE: use of NUM_BLOCKS_PER_CHUNK is a placeholder in case multi-block chunks are later supported.
@ -338,7 +342,7 @@ bool BootstrapFile::store_blockchain_raw(Blockchain* _blockchain_storage, tx_mem
}
// print message for last block, which may not have been printed yet due to progress_interval
std::cout << refresh_string;
std::cout << "block " << m_cur_height-1 << "/" << height_stop << ENDL;
std::cout << "block " << m_cur_height-1 << "/" << block_stop << ENDL;
LOG_PRINT_L0("Number of blocks exported: " << num_blocks_written);
if (num_blocks_written > 0)

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