diff options
Diffstat (limited to 'src/wallet/sqlite.cpp')
-rw-r--r-- | src/wallet/sqlite.cpp | 57 |
1 files changed, 53 insertions, 4 deletions
diff --git a/src/wallet/sqlite.cpp b/src/wallet/sqlite.cpp index 9a9904e17d..ed331b6470 100644 --- a/src/wallet/sqlite.cpp +++ b/src/wallet/sqlite.cpp @@ -5,6 +5,7 @@ #include <wallet/sqlite.h> #include <logging.h> +#include <sync.h> #include <util/memory.h> #include <util/strencodings.h> #include <util/translation.h> @@ -15,18 +16,66 @@ static const char* const DATABASE_FILENAME = "wallet.dat"; +static Mutex g_sqlite_mutex; +static int g_sqlite_count GUARDED_BY(g_sqlite_mutex) = 0; + +static void ErrorLogCallback(void* arg, int code, const char* msg) +{ + // From sqlite3_config() documentation for the SQLITE_CONFIG_LOG option: + // "The void pointer that is the second argument to SQLITE_CONFIG_LOG is passed through as + // the first parameter to the application-defined logger function whenever that function is + // invoked." + // Assert that this is the case: + assert(arg == nullptr); + LogPrintf("SQLite Error. Code: %d. Message: %s\n", code, msg); +} + SQLiteDatabase::SQLiteDatabase(const fs::path& dir_path, const fs::path& file_path, bool mock) : WalletDatabase(), m_mock(mock), m_dir_path(dir_path.string()), m_file_path(file_path.string()) { - LogPrintf("Using SQLite Version %s\n", SQLiteDatabaseVersion()); - LogPrintf("Using wallet %s\n", m_dir_path); - - Open(); + { + LOCK(g_sqlite_mutex); + LogPrintf("Using SQLite Version %s\n", SQLiteDatabaseVersion()); + LogPrintf("Using wallet %s\n", m_dir_path); + + if (++g_sqlite_count == 1) { + // Setup logging + int ret = sqlite3_config(SQLITE_CONFIG_LOG, ErrorLogCallback, nullptr); + if (ret != SQLITE_OK) { + throw std::runtime_error(strprintf("SQLiteDatabase: Failed to setup error log: %s\n", sqlite3_errstr(ret))); + } + } + int ret = sqlite3_initialize(); // This is a no-op if sqlite3 is already initialized + if (ret != SQLITE_OK) { + throw std::runtime_error(strprintf("SQLiteDatabase: Failed to initialize SQLite: %s\n", sqlite3_errstr(ret))); + } + } + + try { + Open(); + } catch (const std::runtime_error&) { + // If open fails, cleanup this object and rethrow the exception + Cleanup(); + throw; + } } SQLiteDatabase::~SQLiteDatabase() { + Cleanup(); +} + +void SQLiteDatabase::Cleanup() noexcept +{ Close(); + + LOCK(g_sqlite_mutex); + if (--g_sqlite_count == 0) { + int ret = sqlite3_shutdown(); + if (ret != SQLITE_OK) { + LogPrintf("SQLiteDatabase: Failed to shutdown SQLite: %s\n", sqlite3_errstr(ret)); + } + } } void SQLiteDatabase::Open() |