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-rw-r--r--src/blockchain_db/blockchain_db.h7
-rw-r--r--src/blockchain_db/lmdb/db_lmdb.cpp5
-rw-r--r--src/blockchain_db/lmdb/db_lmdb.h2
-rw-r--r--src/cryptonote_core/blockchain.cpp19
-rw-r--r--src/cryptonote_core/blockchain.h7
-rw-r--r--src/cryptonote_core/cryptonote_core.cpp11
-rw-r--r--src/cryptonote_core/cryptonote_core.h7
-rw-r--r--src/cryptonote_protocol/cryptonote_protocol_handler.inl2
-rw-r--r--tests/core_proxy/core_proxy.h1
-rw-r--r--tests/unit_tests/ban.cpp1
-rw-r--r--tests/unit_tests/hardfork.cpp1
11 files changed, 61 insertions, 2 deletions
diff --git a/src/blockchain_db/blockchain_db.h b/src/blockchain_db/blockchain_db.h
index 3efb8c3c3..ad246d85e 100644
--- a/src/blockchain_db/blockchain_db.h
+++ b/src/blockchain_db/blockchain_db.h
@@ -606,6 +606,13 @@ public:
virtual void sync() = 0;
/**
+ * @brief toggle safe syncs for the DB
+ *
+ * Used to switch DBF_SAFE on or off after starting up with DBF_FAST.
+ */
+ virtual void safesyncmode(const bool onoff) = 0;
+
+ /**
* @brief Remove everything from the BlockchainDB
*
* This function should completely remove all data from a BlockchainDB.
diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp
index a756c04c6..4100d9cca 100644
--- a/src/blockchain_db/lmdb/db_lmdb.cpp
+++ b/src/blockchain_db/lmdb/db_lmdb.cpp
@@ -1318,6 +1318,11 @@ void BlockchainLMDB::sync()
}
}
+void BlockchainLMDB::safesyncmode(const bool onoff)
+{
+ mdb_env_set_flags(m_env, MDB_NOSYNC|MDB_MAPASYNC, !onoff);
+}
+
void BlockchainLMDB::reset()
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
diff --git a/src/blockchain_db/lmdb/db_lmdb.h b/src/blockchain_db/lmdb/db_lmdb.h
index 14e5d34e2..3a11ddf0d 100644
--- a/src/blockchain_db/lmdb/db_lmdb.h
+++ b/src/blockchain_db/lmdb/db_lmdb.h
@@ -165,6 +165,8 @@ public:
virtual void sync();
+ virtual void safesyncmode(const bool onoff);
+
virtual void reset();
virtual std::vector<std::string> get_filenames() const;
diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
index e00908125..d4a7831dc 100644
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@@ -129,7 +129,7 @@ static const uint64_t testnet_hard_fork_version_1_till = 624633;
//------------------------------------------------------------------
Blockchain::Blockchain(tx_memory_pool& tx_pool) :
m_db(), m_tx_pool(tx_pool), m_hardfork(NULL), m_timestamps_and_difficulties_height(0), m_current_block_cumul_sz_limit(0),
- m_enforce_dns_checkpoints(false), m_max_prepare_blocks_threads(4), m_db_blocks_per_sync(1), m_db_sync_mode(db_async), m_fast_sync(true), m_show_time_stats(false), m_sync_counter(0), m_cancel(false)
+ m_enforce_dns_checkpoints(false), m_max_prepare_blocks_threads(4), m_db_blocks_per_sync(1), m_db_sync_mode(db_async), m_db_default_sync(false), m_fast_sync(true), m_show_time_stats(false), m_sync_counter(0), m_cancel(false)
{
LOG_PRINT_L3("Blockchain::" << __func__);
}
@@ -4037,12 +4037,29 @@ bool Blockchain::for_all_txpool_txes(std::function<bool(const crypto::hash&, con
void Blockchain::set_user_options(uint64_t maxthreads, uint64_t blocks_per_sync, blockchain_db_sync_mode sync_mode, bool fast_sync)
{
+ if (sync_mode == db_defaultsync)
+ {
+ m_db_default_sync = true;
+ sync_mode = db_async;
+ }
m_db_sync_mode = sync_mode;
m_fast_sync = fast_sync;
m_db_blocks_per_sync = blocks_per_sync;
m_max_prepare_blocks_threads = maxthreads;
}
+void Blockchain::safesyncmode(const bool onoff)
+{
+ /* all of this is no-op'd if the user set a specific
+ * --db-sync-mode at startup.
+ */
+ if (m_db_default_sync)
+ {
+ m_db->safesyncmode(onoff);
+ m_db_sync_mode = onoff ? db_nosync : db_async;
+ }
+}
+
HardFork::State Blockchain::get_hard_fork_state() const
{
return m_hardfork->get_state();
diff --git a/src/cryptonote_core/blockchain.h b/src/cryptonote_core/blockchain.h
index 7fa78584b..b8ea657b4 100644
--- a/src/cryptonote_core/blockchain.h
+++ b/src/cryptonote_core/blockchain.h
@@ -65,6 +65,7 @@ namespace cryptonote
*/
enum blockchain_db_sync_mode
{
+ db_defaultsync, //!< user didn't specify, use db_async
db_sync, //!< handle syncing calls instead of the backing db, synchronously
db_async, //!< handle syncing calls instead of the backing db, asynchronously
db_nosync //!< Leave syncing up to the backing db (safest, but slowest because of disk I/O)
@@ -701,6 +702,11 @@ namespace cryptonote
blockchain_db_sync_mode sync_mode, bool fast_sync);
/**
+ * @brief Put DB in safe sync mode
+ */
+ void safesyncmode(const bool onoff);
+
+ /**
* @brief set whether or not to show/print time statistics
*
* @param stats the new time stats setting
@@ -932,6 +938,7 @@ namespace cryptonote
blockchain_db_sync_mode m_db_sync_mode;
bool m_fast_sync;
bool m_show_time_stats;
+ bool m_db_default_sync;
uint64_t m_db_blocks_per_sync;
uint64_t m_max_prepare_blocks_threads;
uint64_t m_fake_pow_calc_time;
diff --git a/src/cryptonote_core/cryptonote_core.cpp b/src/cryptonote_core/cryptonote_core.cpp
index a7f6ca36c..c406dd0b4 100644
--- a/src/cryptonote_core/cryptonote_core.cpp
+++ b/src/cryptonote_core/cryptonote_core.cpp
@@ -322,7 +322,7 @@ namespace cryptonote
const std::string filename = folder.string();
// default to fast:async:1
- blockchain_db_sync_mode sync_mode = db_async;
+ blockchain_db_sync_mode sync_mode = db_defaultsync;
uint64_t blocks_per_sync = 1;
try
@@ -355,11 +355,15 @@ namespace cryptonote
sync_mode = db_nosync;
}
else if(options[0] == "fast")
+ {
db_flags = DBF_FAST;
+ sync_mode = db_async;
+ }
else if(options[0] == "fastest")
{
db_flags = DBF_FASTEST;
blocks_per_sync = 1000; // default to fastest:async:1000
+ sync_mode = db_async;
}
else
db_flags = DEFAULT_FLAGS;
@@ -1039,6 +1043,11 @@ namespace cryptonote
m_miner.on_synchronized();
}
//-----------------------------------------------------------------------------------------------
+ void core::safesyncmode(const bool onoff)
+ {
+ m_blockchain_storage.safesyncmode(onoff);
+ }
+ //-----------------------------------------------------------------------------------------------
bool core::add_new_block(const block& b, block_verification_context& bvc)
{
return m_blockchain_storage.add_new_block(b, bvc);
diff --git a/src/cryptonote_core/cryptonote_core.h b/src/cryptonote_core/cryptonote_core.h
index 84f59919e..f565afd87 100644
--- a/src/cryptonote_core/cryptonote_core.h
+++ b/src/cryptonote_core/cryptonote_core.h
@@ -621,6 +621,13 @@ namespace cryptonote
void on_synchronized();
/**
+ * @copydoc Blockchain::safesyncmode
+ *
+ * 2note see Blockchain::safesyncmode
+ */
+ void safesyncmode(const bool onoff);
+
+ /**
* @brief sets the target blockchain height
*
* @param target_blockchain_height the height to set
diff --git a/src/cryptonote_protocol/cryptonote_protocol_handler.inl b/src/cryptonote_protocol/cryptonote_protocol_handler.inl
index f27a5d7b8..e762cf9c8 100644
--- a/src/cryptonote_protocol/cryptonote_protocol_handler.inl
+++ b/src/cryptonote_protocol/cryptonote_protocol_handler.inl
@@ -303,6 +303,7 @@ namespace cryptonote
<< " [Your node is " << abs_diff << " blocks (" << ((abs_diff - diff_v2) / (24 * 60 * 60 / DIFFICULTY_TARGET_V1)) + (diff_v2 / (24 * 60 * 60 / DIFFICULTY_TARGET_V2)) << " days) "
<< (0 <= diff ? std::string("behind") : std::string("ahead"))
<< "] " << ENDL << "SYNCHRONIZATION started");
+ m_core.safesyncmode(false);
}
LOG_PRINT_L1("Remote blockchain height: " << hshd.current_height << ", id: " << hshd.top_id);
context.m_state = cryptonote_connection_context::state_synchronizing;
@@ -1513,6 +1514,7 @@ skip:
<< "**********************************************************************");
m_core.on_synchronized();
}
+ m_core.safesyncmode(true);
return true;
}
//------------------------------------------------------------------------------------------------------------------------
diff --git a/tests/core_proxy/core_proxy.h b/tests/core_proxy/core_proxy.h
index 516d1f515..c4fb462e3 100644
--- a/tests/core_proxy/core_proxy.h
+++ b/tests/core_proxy/core_proxy.h
@@ -66,6 +66,7 @@ namespace tests
public:
void on_synchronized(){}
+ void safesyncmode(const bool){}
uint64_t get_current_blockchain_height(){return 1;}
void set_target_blockchain_height(uint64_t) {}
bool init(const boost::program_options::variables_map& vm);
diff --git a/tests/unit_tests/ban.cpp b/tests/unit_tests/ban.cpp
index 627e85348..bcffc85c9 100644
--- a/tests/unit_tests/ban.cpp
+++ b/tests/unit_tests/ban.cpp
@@ -43,6 +43,7 @@ class test_core
{
public:
void on_synchronized(){}
+ void safesyncmode(const bool){}
uint64_t get_current_blockchain_height() const {return 1;}
void set_target_blockchain_height(uint64_t) {}
bool init(const boost::program_options::variables_map& vm) {return true ;}
diff --git a/tests/unit_tests/hardfork.cpp b/tests/unit_tests/hardfork.cpp
index 598b3b7b2..c30feb461 100644
--- a/tests/unit_tests/hardfork.cpp
+++ b/tests/unit_tests/hardfork.cpp
@@ -47,6 +47,7 @@ public:
virtual void open(const std::string& filename, const int db_flags = 0) { }
virtual void close() {}
virtual void sync() {}
+ virtual void safesyncmode(const bool onoff) {}
virtual void reset() {}
virtual std::vector<std::string> get_filenames() const { return std::vector<std::string>(); }
virtual std::string get_db_name() const { return std::string(); }