Move write database queue

nano/core_test/confirming_set.cpp

@@ -18,15 +18,13 @@ using namespace std::chrono_literals;
 TEST (confirming_set, construction)
 {
 	auto ctx = nano::test::context::ledger_empty ();
-	nano::write_database_queue write_queue{ false };
-	nano::confirming_set confirming_set (ctx.ledger (), write_queue);
+	nano::confirming_set confirming_set (ctx.ledger ());
 }
 
 TEST (confirming_set, add_exists)
 {
 	auto ctx = nano::test::context::ledger_send_receive ();
-	nano::write_database_queue write_queue{ false };
-	nano::confirming_set confirming_set (ctx.ledger (), write_queue);
+	nano::confirming_set confirming_set (ctx.ledger ());
 	auto send = ctx.blocks ()[0];
 	confirming_set.add (send->hash ());
 	ASSERT_TRUE (confirming_set.exists (send->hash ()));
@@ -35,8 +33,7 @@ TEST (confirming_set, add_exists)
 TEST (confirming_set, process_one)
 {
 	auto ctx = nano::test::context::ledger_send_receive ();
-	nano::write_database_queue write_queue{ false };
-	nano::confirming_set confirming_set (ctx.ledger (), write_queue);
+	nano::confirming_set confirming_set (ctx.ledger ());
 	std::atomic<int> count = 0;
 	std::mutex mutex;
 	std::condition_variable condition;
@@ -52,8 +49,7 @@ TEST (confirming_set, process_one)
 TEST (confirming_set, process_multiple)
 {
 	auto ctx = nano::test::context::ledger_send_receive ();
-	nano::write_database_queue write_queue{ false };
-	nano::confirming_set confirming_set (ctx.ledger (), write_queue);
+	nano::confirming_set confirming_set (ctx.ledger ());
 	std::atomic<int> count = 0;
 	std::mutex mutex;
 	std::condition_variable condition;
@@ -118,7 +114,7 @@ TEST (confirmation_callback, confirmed_history)
 {
 	nano::test::system system;
 	nano::node_flags node_flags;
-	node_flags.force_use_write_database_queue = true;
+	node_flags.force_use_write_queue = true;
 	node_flags.disable_ascending_bootstrap = true;
 	nano::node_config node_config = system.default_config ();
 	node_config.frontiers_confirmation = nano::frontiers_confirmation_mode::disabled;
@@ -155,7 +151,7 @@ TEST (confirmation_callback, confirmed_history)
 	ASSERT_TIMELY (5s, election = nano::test::start_election (system, *node, send1->hash ()));
 	{
 		// The write guard prevents the confirmation height processor doing any writes
-		auto write_guard = node->write_database_queue.wait (nano::writer::testing);
+		auto write_guard = node->store.write_queue.wait (nano::store::writer::testing);
 
 		// Confirm send1
 		election->force_confirm ();
@@ -166,13 +162,13 @@ TEST (confirmation_callback, confirmed_history)
 		auto transaction = node->store.tx_begin_read ();
 		ASSERT_FALSE (node->ledger.block_confirmed (transaction, send->hash ()));
 
-		ASSERT_TIMELY (10s, node->write_database_queue.contains (nano::writer::confirmation_height));
+		ASSERT_TIMELY (10s, node->store.write_queue.contains (nano::store::writer::confirmation_height));
 
 		// Confirm that no inactive callbacks have been called when the confirmation height processor has already iterated over it, waiting to write
 		ASSERT_EQ (0, node->stats.count (nano::stat::type::confirmation_observer, nano::stat::detail::inactive_conf_height, nano::stat::dir::out));
 	}
 
-	ASSERT_TIMELY (10s, !node->write_database_queue.contains (nano::writer::confirmation_height));
+	ASSERT_TIMELY (10s, !node->store.write_queue.contains (nano::store::writer::confirmation_height));
 
 	auto transaction = node->store.tx_begin_read ();
 	ASSERT_TRUE (node->ledger.block_confirmed (transaction, send->hash ()));
@@ -196,7 +192,7 @@ TEST (confirmation_callback, dependent_election)
 {
 	nano::test::system system;
 	nano::node_flags node_flags;
-	node_flags.force_use_write_database_queue = true;
+	node_flags.force_use_write_queue = true;
 	nano::node_config node_config = system.default_config ();
 	node_config.frontiers_confirmation = nano::frontiers_confirmation_mode::disabled;
 	auto node = system.add_node (node_config, node_flags);

nano/core_test/ledger_confirm.cpp

@@ -784,7 +784,7 @@ TEST (ledger_confirm, pruned_source)
 	nano::stats stats;
 	nano::ledger ledger (*store, stats, nano::dev::constants);
 	ledger.pruning = true;
-	nano::write_database_queue write_database_queue (false);
+	nano::store::write_queue write_queue (false);
 	nano::work_pool pool{ nano::dev::network_params.network, std::numeric_limits<unsigned>::max () };
 	nano::keypair key1, key2;
 	nano::block_builder builder;
@@ -868,7 +868,7 @@ TEST (ledger_confirmDeathTest, rollback_added_block)
 		ASSERT_TRUE (!store->init_error ());
 		nano::stats stats;
 		nano::ledger ledger (*store, stats, nano::dev::constants);
-		nano::write_database_queue write_database_queue (false);
+		nano::store::write_queue write_queue (false);
 		nano::work_pool pool{ nano::dev::network_params.network, std::numeric_limits<unsigned>::max () };
 		nano::keypair key1;
 		nano::block_builder builder;

nano/core_test/node.cpp

@@ -2663,7 +2663,7 @@ TEST (node, block_processor_full)
 {
 	nano::test::system system;
 	nano::node_flags node_flags;
-	node_flags.force_use_write_database_queue = true;
+	node_flags.force_use_write_queue = true;
 	node_flags.block_processor_full_size = 3;
 	auto & node = *system.add_node (nano::node_config (system.get_available_port ()), node_flags);
 	nano::state_block_builder builder;
@@ -2709,7 +2709,7 @@ TEST (node, block_processor_half_full)
 	nano::test::system system;
 	nano::node_flags node_flags;
 	node_flags.block_processor_full_size = 6;
-	node_flags.force_use_write_database_queue = true;
+	node_flags.force_use_write_queue = true;
 	auto & node = *system.add_node (nano::node_config (system.get_available_port ()), node_flags);
 	nano::state_block_builder builder;
 	auto send1 = builder.make_block ()
@@ -2740,7 +2740,7 @@ TEST (node, block_processor_half_full)
 				 .work (*node.work_generate_blocking (send2->hash ()))
 				 .build ();
 	// The write guard prevents block processor doing any writes
-	auto write_guard = node.write_database_queue.wait (nano::writer::testing);
+	auto write_guard = node.store.write_queue.wait (nano::store::writer::testing);
 	node.block_processor.add (send1);
 	ASSERT_FALSE (node.block_processor.half_full ());
 	node.block_processor.add (send2);
@@ -3097,7 +3097,7 @@ TEST (node, rollback_vote_self)
 
 	{
 		// The write guard prevents the block processor from performing the rollback
-		auto write_guard = node.write_database_queue.wait (nano::writer::testing);
+		auto write_guard = node.store.write_queue.wait (nano::store::writer::testing);
 
 		ASSERT_EQ (0, election->votes_with_weight ().size ());
 		// Vote with key to switch the winner

nano/node/CMakeLists.txt

@@ -180,8 +180,6 @@ add_library(
   websocketconfig.cpp
   websocket_stream.hpp
   websocket_stream.cpp
-  write_database_queue.hpp
-  write_database_queue.cpp
   messages.hpp
   messages.cpp
   xorshift.hpp)

nano/node/blockprocessor.cpp

@@ -37,10 +37,9 @@ void nano::block_processor::context::set_result (result_t const & result)
  * block_processor
  */
 
-nano::block_processor::block_processor (nano::node & node_a, nano::write_database_queue & write_database_queue_a) :
+nano::block_processor::block_processor (nano::node & node_a) :
 	config{ node_a.config.block_processor },
 	node (node_a),
-	write_database_queue (write_database_queue_a),
 	next_log (std::chrono::steady_clock::now ())
 {
 	batch_processed.add ([this] (auto const & items) {
@@ -300,7 +299,7 @@ auto nano::block_processor::process_batch (nano::unique_lock<nano::mutex> & lock
 {
 	processed_batch_t processed;
 
-	auto scoped_write_guard = write_database_queue.wait (nano::writer::process_batch);
+	auto scoped_write_guard = node.store.write_queue.wait (nano::store::writer::process_batch);
 	auto transaction (node.store.tx_begin_write ({ tables::accounts, tables::blocks, tables::pending, tables::rep_weights }));
 	nano::timer<std::chrono::milliseconds> timer_l;
 
@@ -509,4 +508,4 @@ nano::error nano::block_processor_config::deserialize (nano::tomlconfig & toml)
 	toml.get ("priority_local", priority_local);
 
 	return toml.get_error ();
-}
+}

nano/node/blockprocessor.hpp

@@ -14,7 +14,6 @@ namespace nano
 {
 class block;
 class node;
-class write_database_queue;
 }
 
 namespace nano::store
@@ -86,7 +85,7 @@ class block_processor final
 	};
 
 public:
-	block_processor (nano::node &, nano::write_database_queue &);
+	block_processor (nano::node &);
 	~block_processor ();
 
 	void start ();
@@ -127,7 +126,6 @@ class block_processor final
 private: // Dependencies
 	block_processor_config const & config;
 	nano::node & node;
-	nano::write_database_queue & write_database_queue;
 
 private:
 	nano::fair_queue<context, block_source> queue;

nano/node/confirming_set.cpp

@@ -1,12 +1,11 @@
 #include <nano/lib/thread_roles.hpp>
 #include <nano/node/confirming_set.hpp>
-#include <nano/node/write_database_queue.hpp>
 #include <nano/secure/ledger.hpp>
 #include <nano/store/component.hpp>
+#include <nano/store/write_queue.hpp>
 
-nano::confirming_set::confirming_set (nano::ledger & ledger, nano::write_database_queue & write_queue, std::chrono::milliseconds batch_time) :
+nano::confirming_set::confirming_set (nano::ledger & ledger, std::chrono::milliseconds batch_time) :
 	ledger{ ledger },
-	write_queue{ write_queue },
 	batch_time{ batch_time }
 {
 }
@@ -72,7 +71,7 @@ void nano::confirming_set::run ()
 			for (auto i = processing.begin (), n = processing.end (); !stopped && i != n;)
 			{
 				lock.unlock (); // Waiting for db write is potentially slow
-				auto guard = write_queue.wait (nano::writer::confirmation_height);
+				auto guard = ledger.store.write_queue.wait (nano::store::writer::confirmation_height);
 				auto tx = ledger.store.tx_begin_write ({ nano::tables::confirmation_height });
 				lock.lock ();
 				// Process items in the back buffer within a single transaction for a limited amount of time

nano/node/confirming_set.hpp

@@ -13,7 +13,6 @@ namespace nano
 {
 class block;
 class ledger;
-class write_database_queue;
 }
 
 namespace nano
@@ -27,7 +26,7 @@ class confirming_set final
 	friend class confirmation_height_pruned_source_Test;
 
 public:
-	confirming_set (nano::ledger & ledger, nano::write_database_queue & write_queue, std::chrono::milliseconds batch_time = std::chrono::milliseconds{ 500 });
+	confirming_set (nano::ledger & ledger, std::chrono::milliseconds batch_time = std::chrono::milliseconds{ 500 });
 	~confirming_set ();
 	// Adds a block to the set of blocks to be confirmed
 	void add (nano::block_hash const & hash);
@@ -45,7 +44,6 @@ class confirming_set final
 private:
 	void run ();
 	nano::ledger & ledger;
-	nano::write_database_queue & write_queue;
 	std::chrono::milliseconds batch_time;
 	std::unordered_set<nano::block_hash> set;
 	std::unordered_set<nano::block_hash> processing;

nano/node/make_store.cpp

@@ -3,11 +3,11 @@
 #include <nano/store/lmdb/lmdb.hpp>
 #include <nano/store/rocksdb/rocksdb.hpp>
 
-std::unique_ptr<nano::store::component> nano::make_store (nano::logger & logger, std::filesystem::path const & path, nano::ledger_constants & constants, bool read_only, bool add_db_postfix, nano::rocksdb_config const & rocksdb_config, nano::txn_tracking_config const & txn_tracking_config_a, std::chrono::milliseconds block_processor_batch_max_time_a, nano::lmdb_config const & lmdb_config_a, bool backup_before_upgrade)
+std::unique_ptr<nano::store::component> nano::make_store (nano::logger & logger, std::filesystem::path const & path, nano::ledger_constants & constants, bool read_only, bool add_db_postfix, nano::rocksdb_config const & rocksdb_config, nano::txn_tracking_config const & txn_tracking_config_a, std::chrono::milliseconds block_processor_batch_max_time_a, nano::lmdb_config const & lmdb_config_a, bool backup_before_upgrade, bool force_use_write_queue)
 {
 	if (rocksdb_config.enable)
 	{
-		return std::make_unique<nano::store::rocksdb::component> (logger, add_db_postfix ? path / "rocksdb" : path, constants, rocksdb_config, read_only);
+		return std::make_unique<nano::store::rocksdb::component> (logger, add_db_postfix ? path / "rocksdb" : path, constants, rocksdb_config, read_only, force_use_write_queue);
 	}
 
 	return std::make_unique<nano::store::lmdb::component> (logger, add_db_postfix ? path / "data.ldb" : path, constants, txn_tracking_config_a, block_processor_batch_max_time_a, lmdb_config_a, backup_before_upgrade);

nano/node/make_store.hpp

@@ -22,5 +22,5 @@ class component;
 
 namespace nano
 {
-std::unique_ptr<nano::store::component> make_store (nano::logger &, std::filesystem::path const & path, nano::ledger_constants & constants, bool open_read_only = false, bool add_db_postfix = true, nano::rocksdb_config const & rocksdb_config = nano::rocksdb_config{}, nano::txn_tracking_config const & txn_tracking_config_a = nano::txn_tracking_config{}, std::chrono::milliseconds block_processor_batch_max_time_a = std::chrono::milliseconds (5000), nano::lmdb_config const & lmdb_config_a = nano::lmdb_config{}, bool backup_before_upgrade = false);
+std::unique_ptr<nano::store::component> make_store (nano::logger &, std::filesystem::path const & path, nano::ledger_constants & constants, bool open_read_only = false, bool add_db_postfix = true, nano::rocksdb_config const & rocksdb_config = nano::rocksdb_config{}, nano::txn_tracking_config const & txn_tracking_config_a = nano::txn_tracking_config{}, std::chrono::milliseconds block_processor_batch_max_time_a = std::chrono::milliseconds (5000), nano::lmdb_config const & lmdb_config_a = nano::lmdb_config{}, bool backup_before_upgrade = false, bool force_use_write_queue = false);
 }

nano/node/node.cpp

@@ -135,7 +135,6 @@ nano::node::node (std::shared_ptr<boost::asio::io_context> io_ctx_a, std::filesy
 	io_ctx_shared{ io_ctx_a },
 	io_ctx{ *io_ctx_shared },
 	node_id{ load_or_create_node_id (application_path_a) },
-	write_database_queue (!flags_a.force_use_write_database_queue && (config_a.rocksdb_config.enable)),
 	node_initialized_latch (1),
 	config (config_a),
 	network_params{ config.network_params },
@@ -146,7 +145,7 @@ nano::node::node (std::shared_ptr<boost::asio::io_context> io_ctx_a, std::filesy
 	flags (flags_a),
 	work (work_a),
 	distributed_work (*this),
-	store_impl (nano::make_store (logger, application_path_a, network_params.ledger, flags.read_only, true, config_a.rocksdb_config, config_a.diagnostics_config.txn_tracking, config_a.block_processor_batch_max_time, config_a.lmdb_config, config_a.backup_before_upgrade)),
+	store_impl (nano::make_store (logger, application_path_a, network_params.ledger, flags.read_only, true, config_a.rocksdb_config, config_a.diagnostics_config.txn_tracking, config_a.block_processor_batch_max_time, config_a.lmdb_config, config_a.backup_before_upgrade, flags.force_use_write_queue)),
 	store (*store_impl),
 	unchecked{ config.max_unchecked_blocks, stats, flags.disable_block_processor_unchecked_deletion },
 	wallets_store_impl (std::make_unique<nano::mdb_wallets_store> (application_path_a / "wallets.ldb", config_a.lmdb_config)),
@@ -171,8 +170,8 @@ nano::node::node (std::shared_ptr<boost::asio::io_context> io_ctx_a, std::filesy
 	tcp_listener{ std::make_shared<nano::transport::tcp_listener> (network.port, *this, config.tcp_incoming_connections_max) },
 	application_path (application_path_a),
 	port_mapping (*this),
-	block_processor (*this, write_database_queue),
-	confirming_set_impl{ std::make_unique<nano::confirming_set> (ledger, write_database_queue, config.confirming_set_batch_time) },
+	block_processor (*this),
+	confirming_set_impl{ std::make_unique<nano::confirming_set> (ledger, config.confirming_set_batch_time) },
 	confirming_set{ *confirming_set_impl },
 	active_impl{ std::make_unique<nano::active_transactions> (*this, confirming_set, block_processor) },
 	active{ *active_impl },
@@ -1005,7 +1004,7 @@ void nano::node::ledger_pruning (uint64_t const batch_size_a, bool bootstrap_wei
 		transaction_write_count = 0;
 		if (!pruning_targets.empty () && !stopped)
 		{
-			auto scoped_write_guard = write_database_queue.wait (nano::writer::pruning);
+			auto scoped_write_guard = store.write_queue.wait (nano::store::writer::pruning);
 			auto write_transaction (store.tx_begin_write ({ tables::blocks, tables::pruned }));
 			while (!pruning_targets.empty () && transaction_write_count < batch_size_a && !stopped)
 			{

nano/node/node.hpp

@@ -32,7 +32,6 @@
 #include <nano/node/vote_processor.hpp>
 #include <nano/node/wallet.hpp>
 #include <nano/node/websocket.hpp>
-#include <nano/node/write_database_queue.hpp>
 #include <nano/secure/utility.hpp>
 
 #include <boost/program_options.hpp>
@@ -138,7 +137,6 @@ class node final : public std::enable_shared_from_this<node>
 
 public:
 	const nano::keypair node_id;
-	nano::write_database_queue write_database_queue;
 	std::shared_ptr<boost::asio::io_context> io_ctx_shared;
 	boost::asio::io_context & io_ctx;
 	boost::latch node_initialized_latch;

nano/node/nodeconfig.hpp

@@ -171,7 +171,7 @@ class node_flags final
 	bool allow_bootstrap_peers_duplicates{ false };
 	bool disable_max_peers_per_ip{ false }; // For testing only
 	bool disable_max_peers_per_subnetwork{ false }; // For testing only
-	bool force_use_write_database_queue{ false }; // For testing only. RocksDB does not use the database queue, but some tests rely on it being used.
+	bool force_use_write_queue{ false }; // For testing only. RocksDB does not use the database queue, but some tests rely on it being used.
 	bool disable_search_pending{ false }; // For testing only
 	bool enable_pruning{ false };
 	bool fast_bootstrap{ false };

nano/slow_test/node.cpp

@@ -1136,14 +1136,14 @@ TEST (confirmation_height, many_accounts_send_receive_self_no_elections)
 	ASSERT_TRUE (!store->init_error ());
 	nano::stats stats;
 	nano::ledger ledger (*store, stats, nano::dev::constants);
-	nano::write_database_queue write_database_queue (false);
+	nano::store::write_queue write_database_queue (false);
 	nano::work_pool pool{ nano::dev::network_params.network, std::numeric_limits<unsigned>::max () };
 	std::atomic<bool> stopped{ false };
 	boost::latch initialized_latch{ 0 };
 
 	nano::block_hash block_hash_being_processed{ 0 };
-	nano::write_database_queue write_queue{ false };
-	nano::confirming_set confirming_set{ ledger, write_queue };
+	nano::store::write_queue write_queue{ false };
+	nano::confirming_set confirming_set{ ledger };
 
 	auto const num_accounts = 100000;
 

nano/store/CMakeLists.txt

@@ -92,7 +92,9 @@ add_library(
   rocksdb/version.cpp
   transaction.cpp
   version.cpp
-  versioning.cpp)
+  versioning.cpp
+  write_queue.hpp
+  write_queue.cpp)
 
 target_link_libraries(
   nano_store

nano/store/component.cpp

@@ -7,7 +7,7 @@
 #include <nano/store/confirmation_height.hpp>
 #include <nano/store/rep_weight.hpp>
 
-nano::store::component::component (nano::store::block & block_store_a, nano::store::account & account_store_a, nano::store::pending & pending_store_a, nano::store::online_weight & online_weight_store_a, nano::store::pruned & pruned_store_a, nano::store::peer & peer_store_a, nano::store::confirmation_height & confirmation_height_store_a, nano::store::final_vote & final_vote_store_a, nano::store::version & version_store_a, nano::store::rep_weight & rep_weight_a) :
+nano::store::component::component (nano::store::block & block_store_a, nano::store::account & account_store_a, nano::store::pending & pending_store_a, nano::store::online_weight & online_weight_store_a, nano::store::pruned & pruned_store_a, nano::store::peer & peer_store_a, nano::store::confirmation_height & confirmation_height_store_a, nano::store::final_vote & final_vote_store_a, nano::store::version & version_store_a, nano::store::rep_weight & rep_weight_a, bool use_noops_a) :
 	block (block_store_a),
 	account (account_store_a),
 	pending (pending_store_a),
@@ -17,6 +17,7 @@ nano::store::component::component (nano::store::block & block_store_a, nano::sto
 	confirmation_height (confirmation_height_store_a),
 	final_vote (final_vote_store_a),
 	version (version_store_a),
+	write_queue (use_noops_a),
 	rep_weight (rep_weight_a)
 {
 }