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Merge pull request #2373

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a3662bae cryptonote_protocol: error handling on cleanup_handle_incoming_blocks (moneromooo-monero)
cf4aa653 Fix blockchain_import wedge on exception in cleanup_handle_incoming_blocks (moneromooo-monero)
0ffad5a3 core: guard against exceptions in handle_incoming_{block,tx} (moneromooo-monero)
This commit is contained in:
Riccardo Spagni 2017-09-02 11:34:25 +02:00
commit 7369d746fd
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GPG Key ID: 55432DF31CCD4FCD
6 changed files with 89 additions and 21 deletions
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31
src/blockchain_db/lmdb/db_lmdb.cpp
View File

@ -2604,6 +2604,16 @@ void BlockchainLMDB::batch_commit()
memset(&m_wcursors, 0, sizeof(m_wcursors));
}
void BlockchainLMDB::cleanup_batch()
{
// for destruction of batch transaction
m_write_txn = nullptr;
delete m_write_batch_txn;
m_write_batch_txn = nullptr;
m_batch_active = false;
memset(&m_wcursors, 0, sizeof(m_wcursors));
}
void BlockchainLMDB::batch_stop()
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
@ -2618,15 +2628,18 @@ void BlockchainLMDB::batch_stop()
check_open();
LOG_PRINT_L3("batch transaction: committing...");
TIME_MEASURE_START(time1);
m_write_txn->commit();
TIME_MEASURE_FINISH(time1);
time_commit1 += time1;
// for destruction of batch transaction
m_write_txn = nullptr;
delete m_write_batch_txn;
m_write_batch_txn = nullptr;
m_batch_active = false;
memset(&m_wcursors, 0, sizeof(m_wcursors));
try
{
m_write_txn->commit();
TIME_MEASURE_FINISH(time1);
time_commit1 += time1;
cleanup_batch();
}
catch (const std::exception &e)
{
cleanup_batch();
throw;
}
LOG_PRINT_L3("batch transaction: end");
}

3
src/blockchain_db/lmdb/db_lmdb.h
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@ -368,6 +368,9 @@ private:
// migrate from DB version 0 to 1
void migrate_0_1();
void cleanup_batch();
private:
MDB_env* m_env;
MDB_dbi m_blocks;

6
src/blockchain_utilities/blockchain_import.cpp
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@ -208,7 +208,8 @@ int check_flush(cryptonote::core &core, std::list<block_complete_entry> &blocks,
}
} // each download block
core.cleanup_handle_incoming_blocks();
if (!core.cleanup_handle_incoming_blocks())
return 1;
blocks.clear();
return 0;
@ -394,7 +395,10 @@ int import_from_file(cryptonote::core& core, const std::string& import_file_path
blocks.push_back({block, txs});
int ret = check_flush(core, blocks, false);
if (ret)
{
quit = 2; // make sure we don't commit partial block data
break;
}
}
else
{

17
src/cryptonote_core/blockchain.cpp
View File

@ -3582,12 +3582,23 @@ void Blockchain::block_longhash_worker(uint64_t height, const std::vector<block>
//------------------------------------------------------------------
bool Blockchain::cleanup_handle_incoming_blocks(bool force_sync)
{
bool success = false;
MTRACE("Blockchain::" << __func__);
CRITICAL_REGION_BEGIN(m_blockchain_lock);
TIME_MEASURE_START(t1);
m_db->batch_stop();
if (m_sync_counter > 0)
try
{
m_db->batch_stop();
success = true;
}
catch (const std::exception &e)
{
MERROR("Exception in cleanup_handle_incoming_blocks: " << e.what());
}
if (success && m_sync_counter > 0)
{
if (force_sync)
{
@ -3622,7 +3633,7 @@ bool Blockchain::cleanup_handle_incoming_blocks(bool force_sync)
CRITICAL_REGION_END();
m_tx_pool.unlock();
return true;
return success;
}
//------------------------------------------------------------------

13
src/cryptonote_core/cryptonote_core.cpp
View File

@ -585,6 +585,8 @@ namespace cryptonote
//-----------------------------------------------------------------------------------------------
bool core::handle_incoming_txs(const std::list<blobdata>& tx_blobs, std::vector<tx_verification_context>& tvc, bool keeped_by_block, bool relayed, bool do_not_relay)
{
TRY_ENTRY();
struct result { bool res; cryptonote::transaction tx; crypto::hash hash; crypto::hash prefix_hash; bool in_txpool; bool in_blockchain; };
std::vector<result> results(tx_blobs.size());
@ -638,6 +640,8 @@ namespace cryptonote
MDEBUG("tx added: " << results[i].hash);
}
return ok;
CATCH_ENTRY_L0("core::handle_incoming_txs()", false);
}
//-----------------------------------------------------------------------------------------------
bool core::handle_incoming_tx(const blobdata& tx_blob, tx_verification_context& tvc, bool keeped_by_block, bool relayed, bool do_not_relay)
@ -1064,17 +1068,20 @@ namespace cryptonote
//-----------------------------------------------------------------------------------------------
bool core::cleanup_handle_incoming_blocks(bool force_sync)
{
bool success = false;
try {
m_blockchain_storage.cleanup_handle_incoming_blocks(force_sync);
success = m_blockchain_storage.cleanup_handle_incoming_blocks(force_sync);
}
catch (...) {}
m_incoming_tx_lock.unlock();
return true;
return success;
}
//-----------------------------------------------------------------------------------------------
bool core::handle_incoming_block(const blobdata& block_blob, block_verification_context& bvc, bool update_miner_blocktemplate)
{
TRY_ENTRY();
// load json & DNS checkpoints every 10min/hour respectively,
// and verify them with respect to what blocks we already have
CHECK_AND_ASSERT_MES(update_checkpoints(), false, "One or more checkpoints loaded from json or dns conflicted with existing checkpoints.");
@ -1098,6 +1105,8 @@ namespace cryptonote
if(update_miner_blocktemplate && bvc.m_added_to_main_chain)
update_miner_block_template();
return true;
CATCH_ENTRY_L0("core::handle_incoming_block()", false);
}
//-----------------------------------------------------------------------------------------------
// Used by the RPC server to check the size of an incoming

40
src/cryptonote_protocol/cryptonote_protocol_handler.inl
View File

@ -364,7 +364,12 @@ namespace cryptonote
block_verification_context bvc = boost::value_initialized<block_verification_context>();
m_core.handle_incoming_block(arg.b.block, bvc); // got block from handle_notify_new_block
m_core.cleanup_handle_incoming_blocks(true);
if (!m_core.cleanup_handle_incoming_blocks(true))
{
LOG_PRINT_CCONTEXT_L0("Failure in cleanup_handle_incoming_blocks");
m_core.resume_mine();
return 1;
}
m_core.resume_mine();
if(bvc.m_verifivation_failed)
{
@ -623,7 +628,12 @@ namespace cryptonote
block_verification_context bvc = boost::value_initialized<block_verification_context>();
m_core.handle_incoming_block(arg.b.block, bvc); // got block from handle_notify_new_block
m_core.cleanup_handle_incoming_blocks(true);
if (!m_core.cleanup_handle_incoming_blocks(true))
{
LOG_PRINT_CCONTEXT_L0("Failure in cleanup_handle_incoming_blocks");
m_core.resume_mine();
return 1;
}
m_core.resume_mine();
if( bvc.m_verifivation_failed )
@ -1056,7 +1066,11 @@ skip:
}))
LOG_ERROR_CCONTEXT("span connection id not found");
m_core.cleanup_handle_incoming_blocks();
if (!m_core.cleanup_handle_incoming_blocks())
{
LOG_PRINT_CCONTEXT_L0("Failure in cleanup_handle_incoming_blocks");
return 1;
}
// in case the peer had dropped beforehand, remove the span anyway so other threads can wake up and get it
m_block_queue.remove_spans(span_connection_id, start_height);
return 1;
@ -1081,7 +1095,12 @@ skip:
}))
LOG_ERROR_CCONTEXT("span connection id not found");
m_core.cleanup_handle_incoming_blocks();
if (!m_core.cleanup_handle_incoming_blocks())
{
LOG_PRINT_CCONTEXT_L0("Failure in cleanup_handle_incoming_blocks");
return 1;
}
// in case the peer had dropped beforehand, remove the span anyway so other threads can wake up and get it
m_block_queue.remove_spans(span_connection_id, start_height);
return 1;
@ -1095,7 +1114,12 @@ skip:
}))
LOG_ERROR_CCONTEXT("span connection id not found");
m_core.cleanup_handle_incoming_blocks();
if (!m_core.cleanup_handle_incoming_blocks())
{
LOG_PRINT_CCONTEXT_L0("Failure in cleanup_handle_incoming_blocks");
return 1;
}
// in case the peer had dropped beforehand, remove the span anyway so other threads can wake up and get it
m_block_queue.remove_spans(span_connection_id, start_height);
return 1;
@ -1108,7 +1132,11 @@ skip:
MCINFO("sync-info", "Block process time (" << blocks.size() << " blocks, " << num_txs << " txs): " << block_process_time_full + transactions_process_time_full << " (" << transactions_process_time_full << "/" << block_process_time_full << ") ms");
m_core.cleanup_handle_incoming_blocks();
if (!m_core.cleanup_handle_incoming_blocks())
{
LOG_PRINT_CCONTEXT_L0("Failure in cleanup_handle_incoming_blocks");
return 1;
}
m_block_queue.remove_spans(span_connection_id, start_height);