BRNSystems/minetest
1
0
Fork 0
forked from Mirrorlandia_minetest/minetest
Code Pull Requests 1 Activity

Include custom error message in all SQLite3 exceptions.

Browse Source 
And replace manual tests for error with SQLOK() where possible.
This commit is contained in:
Rogier 2015-12-28 19:34:16 +01:00 committed by est31
parent c6bb6f99d1
commit cb30facda0
1 changed files with 27 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
src/database-sqlite3.cpp
View File

@ -45,25 +45,19 @@ SQLite format specification:
#define BUSY_ERROR_INTERVAL 10000 // Safety net: report again every 10 seconds
#define SQLRES(s, r) \
#define SQLRES(s, r, m) \
if ((s) != (r)) { \
throw FileNotGoodException(std::string(\
"SQLite3 database error (" \
__FILE__ ":" TOSTRING(__LINE__) \
"): ") +\
throw FileNotGoodException(std::string(m) + ": " +\
sqlite3_errmsg(m_database)); \
}
#define SQLOK(s) SQLRES(s, SQLITE_OK)
#define SQLOK(s, m) SQLRES(s, SQLITE_OK, m)
#define PREPARE_STATEMENT(name, query) \
SQLOK(sqlite3_prepare_v2(m_database, query, -1, &m_stmt_##name, NULL))
SQLOK(sqlite3_prepare_v2(m_database, query, -1, &m_stmt_##name, NULL),\
"Failed to prepare query '" query "'")
#define FINALIZE_STATEMENT(statement) \
if (sqlite3_finalize(statement) != SQLITE_OK) { \
throw FileNotGoodException(std::string( \
"SQLite3: Failed to finalize " #statement ": ") + \
sqlite3_errmsg(m_database)); \
}
SQLOK(sqlite3_finalize(statement), "Failed to finalize " #statement)
int Database_SQLite3::busyHandler(void *data, int count)
{
@ -87,7 +81,7 @@ int Database_SQLite3::busyHandler(void *data, int count)
<< cur_time - first_time << " ms." << std::endl;
} else if (cur_time - first_time >= BUSY_WARNING_TRESHOLD &&
prev_time - first_time < BUSY_WARNING_TRESHOLD) {
warningstream << "Sqlite3 database has been locked for "
warningstream << "SQLite3 database has been locked for "
<< cur_time - first_time << " ms." << std::endl;
} else if (cur_time - first_time >= BUSY_ERROR_TRESHOLD &&
prev_time - first_time < BUSY_ERROR_TRESHOLD) {
@ -95,7 +89,7 @@ int Database_SQLite3::busyHandler(void *data, int count)
<< cur_time - first_time << " ms; this causes lag." << std::endl;
} else if (cur_time - first_time >= BUSY_FATAL_TRESHOLD &&
prev_time - first_time < BUSY_FATAL_TRESHOLD) {
errorstream << "Sqlite3 database has been locked for "
errorstream << "SQLite3 database has been locked for "
<< cur_time - first_time << " ms - giving up!" << std::endl;
} else if ((cur_time - first_time) / BUSY_ERROR_INTERVAL !=
(prev_time - first_time) / BUSY_ERROR_INTERVAL) {
@ -126,13 +120,15 @@ Database_SQLite3::Database_SQLite3(const std::string &savedir) :
void Database_SQLite3::beginSave() {
verifyDatabase();
SQLRES(sqlite3_step(m_stmt_begin), SQLITE_DONE);
SQLRES(sqlite3_step(m_stmt_begin), SQLITE_DONE,
"Failed to start SQLite3 transaction");
sqlite3_reset(m_stmt_begin);
}
void Database_SQLite3::endSave() {
verifyDatabase();
SQLRES(sqlite3_step(m_stmt_end), SQLITE_DONE);
SQLRES(sqlite3_step(m_stmt_end), SQLITE_DONE,
"Failed to commit SQLite3 transaction");
sqlite3_reset(m_stmt_end);
}
@ -153,19 +149,12 @@ void Database_SQLite3::openDatabase()
bool needs_create = !fs::PathExists(dbp);
if (sqlite3_open_v2(dbp.c_str(), &m_database,
SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE,
NULL) != SQLITE_OK) {
errorstream << "SQLite3 database failed to open: "
<< sqlite3_errmsg(m_database) << std::endl;
throw FileNotGoodException("Cannot open database file");
}
SQLOK(sqlite3_open_v2(dbp.c_str(), &m_database,
SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, NULL),
std::string("Failed to open SQLite3 database file ") + dbp);
if (sqlite3_busy_handler(m_database, sqlite3BusyHandler, busy_handler_data) != SQLITE_OK) {
errorstream << "SQLite3 database failed to set busy handler: "
<< sqlite3_errmsg(m_database) << std::endl;
throw FileNotGoodException("Failed to set busy handler for sqlite connection");
}
SQLOK(sqlite3_busy_handler(m_database, Database_SQLite3::busyHandler,
m_busy_handler_data), "Failed to set SQLite3 busy handler");
if (needs_create) {
createDatabase();
@ -173,7 +162,8 @@ void Database_SQLite3::openDatabase()
std::string query_str = std::string("PRAGMA synchronous = ")
+ itos(g_settings->getU16("sqlite_synchronous"));
SQLOK(sqlite3_exec(m_database, query_str.c_str(), NULL, NULL, NULL));
SQLOK(sqlite3_exec(m_database, query_str.c_str(), NULL, NULL, NULL),
"Failed to modify sqlite3 synchronous mode");
}
void Database_SQLite3::verifyDatabase()
@ -200,7 +190,8 @@ void Database_SQLite3::verifyDatabase()
inline void Database_SQLite3::bindPos(sqlite3_stmt *stmt, const v3s16 &pos, int index)
{
SQLOK(sqlite3_bind_int64(stmt, index, getBlockAsInteger(pos)));
SQLOK(sqlite3_bind_int64(stmt, index, getBlockAsInteger(pos)),
"Internal error: failed to bind query at " __FILE__ ":" TOSTRING(__LINE__));
}
bool Database_SQLite3::deleteBlock(const v3s16 &pos)
@ -237,9 +228,10 @@ bool Database_SQLite3::saveBlock(const v3s16 &pos, const std::string &data)
#endif
bindPos(m_stmt_write, pos);
SQLOK(sqlite3_bind_blob(m_stmt_write, 2, data.data(), data.size(), NULL));
SQLOK(sqlite3_bind_blob(m_stmt_write, 2, data.data(), data.size(), NULL),
"Internal error: failed to bind query at " __FILE__ ":" TOSTRING(__LINE__));
SQLRES(sqlite3_step(m_stmt_write), SQLITE_DONE)
SQLRES(sqlite3_step(m_stmt_write), SQLITE_DONE, "Failed to save block")
sqlite3_reset(m_stmt_write);
return true;
@ -277,7 +269,8 @@ void Database_SQLite3::createDatabase()
" `pos` INT PRIMARY KEY,\n"
" `data` BLOB\n"
");\n",
NULL, NULL, NULL));
NULL, NULL, NULL),
"Failed to create database table");
}
void Database_SQLite3::listAllLoadableBlocks(std::vector<v3s16> &dst)
@ -299,10 +292,6 @@ Database_SQLite3::~Database_SQLite3()
FINALIZE_STATEMENT(m_stmt_end)
FINALIZE_STATEMENT(m_stmt_delete)
if (sqlite3_close(m_database) != SQLITE_OK) {
errorstream << "Database_SQLite3::~Database_SQLite3(): "
<< "Failed to close database: "
<< sqlite3_errmsg(m_database) << std::endl;
}
SQLOK(sqlite3_close(m_database), "Failed to close database");
}