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Finalize ALL the statements

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* Fixed not being able to modify the DB externally while the script is
running
* Made most DB-related errors print the appropriate error string
* Fixed the settings looking for dbsaveinterval in the shard category
instead of the login category
* Added -shr and -wal to .gitignore (even though we're not actually
using WAL mode)

Hopefully the DB code is now free of resource leaks and undefined
behaviour.
This commit is contained in:
dongresource 2020-12-18 00:17:35 +01:00
parent d3e5b9c485
commit 80dabf4406
3 changed files with 92 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
.gitignore vendored
View File

@ -11,6 +11,8 @@ build/
.vs/
.idea/
*.db
*-shm
*-wal
version.h
infer-out
gmon.out

115
src/Database.cpp
View File

@ -31,6 +31,10 @@ void Database::open() {
// foreign keys in sqlite are off by default; enable them
sqlite3_exec(db, "PRAGMA foreign_keys=ON;", NULL, NULL, NULL);
// just in case a DB operation collides with an external manual modification
sqlite3_busy_timeout(db, 2000);
checkMetaTable();
createTables();
@ -63,13 +67,14 @@ void Database::checkMetaTable() {
sqlite3_stmt* stmt;
sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
if (sqlite3_step(stmt) != SQLITE_ROW) {
std::cout << "[FATAL] Failed to check meta table" << sqlite3_errmsg(db) << std::endl;
sqlite3_finalize(stmt);
std::cout << "[FATAL] Failed to check meta table" << std::endl;
exit(1);
}
int count = sqlite3_column_int(stmt, 0);
if (count == 0) {
sqlite3_finalize(stmt);
// check if there's other non-internal tables first
sql = R"(
SELECT COUNT(*) FROM sqlite_master WHERE type = 'table' AND name NOT LIKE 'sqlite_%';
@ -86,6 +91,8 @@ void Database::checkMetaTable() {
return createMetaTable();
}
sqlite3_finalize(stmt);
// check protocol version
sql = R"(
SELECT Value FROM Meta WHERE Key = 'ProtocolVersion';
@ -93,8 +100,8 @@ void Database::checkMetaTable() {
sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
if (sqlite3_step(stmt) != SQLITE_ROW) {
std::cout << "[FATAL] Failed to check DB Protocol Version: " << sqlite3_errmsg(db) << std::endl;
sqlite3_finalize(stmt);
std::cout << "[FATAL] Failed to check DB Protocol Version" << std::endl;
exit(1);
}
@ -104,13 +111,15 @@ void Database::checkMetaTable() {
exit(1);
}
sqlite3_finalize(stmt);
sql = R"(
SELECT Value FROM Meta WHERE Key = 'DatabaseVersion';
)";
sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
if (sqlite3_step(stmt) != SQLITE_ROW) {
std::cout << "[FATAL] Failed to check DB Version" << std::endl;
std::cout << "[FATAL] Failed to check DB Version: " << sqlite3_errmsg(db) << std::endl;
sqlite3_finalize(stmt);
exit(1);
}
@ -140,11 +149,12 @@ void Database::createMetaTable() {
sqlite3_stmt* stmt;
sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
if (sqlite3_step(stmt) != SQLITE_DONE) {
std::cout << "[FATAL] Failed to create meta table: " << sqlite3_errmsg(db) << std::endl;
sqlite3_finalize(stmt);
sqlite3_exec(db, "ROLLBACK TRANSACTION;", NULL, NULL, NULL);
std::cout << "[FATAL] Failed to create meta table" << std::endl;
exit(1);
}
sqlite3_finalize(stmt);
sql = R"(
INSERT INTO Meta (Key, Value)
@ -155,9 +165,9 @@ void Database::createMetaTable() {
sqlite3_bind_int(stmt, 2, PROTOCOL_VERSION);
if (sqlite3_step(stmt) != SQLITE_DONE) {
std::cout << "[FATAL] Failed to create meta table: " << sqlite3_errmsg(db) << std::endl;
sqlite3_finalize(stmt);
sqlite3_exec(db, "ROLLBACK TRANSACTION;", NULL, NULL, NULL);
std::cout << "[FATAL] Failed to create meta table" << std::endl;
exit(1);
}
@ -166,10 +176,9 @@ void Database::createMetaTable() {
sqlite3_bind_int(stmt, 2, DATABASE_VERSION);
int rc = sqlite3_step(stmt);
sqlite3_finalize(stmt);
if (rc != SQLITE_DONE) {
std::cout << "[FATAL] Failed to create meta table: " << sqlite3_errmsg(db) << std::endl;
sqlite3_exec(db, "ROLLBACK TRANSACTION;", NULL, NULL, NULL);
std::cout << "[FATAL] Failed to create meta table" << std::endl;
exit(1);
}
@ -370,6 +379,7 @@ void Database::findAccount(Account* account, std::string login) {
sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
sqlite3_bind_text(stmt, 1, login.c_str(), -1, NULL);
int rc = sqlite3_step(stmt);
if (rc == SQLITE_ROW) {
account->AccountID = sqlite3_column_int(stmt, 0);
@ -394,13 +404,14 @@ int Database::addAccount(std::string login, std::string password) {
std::string hashedPassword = BCrypt::generateHash(password);
sqlite3_bind_text(stmt, 2, hashedPassword.c_str(), -1, NULL);
sqlite3_bind_int(stmt, 3, settings::ACCLEVEL);
int rc = sqlite3_step(stmt);
sqlite3_finalize(stmt);
if (rc != SQLITE_DONE) {
std::cout << "[WARN] Database: failed to add new account" << std::endl;
return 0;
}
return sqlite3_last_insert_rowid(db);
}
@ -419,7 +430,7 @@ void Database::banAccount(int accountId, int days) {
sqlite3_bind_int(stmt, 1, days * 86400); // convert days to seconds
sqlite3_bind_int(stmt, 2, accountId);
if (sqlite3_step(stmt) != SQLITE_DONE) {
std::cout << "[WARN] Database: failed to ban player" << std::endl;
std::cout << "[WARN] Database: failed to ban player: " << sqlite3_errmsg(db) << std::endl;
}
sqlite3_finalize(stmt);
}
@ -448,7 +459,7 @@ void Database::updateSelected(int accountId, int slot) {
sqlite3_finalize(stmt);
if (rc != SQLITE_DONE)
std::cout << "[WARN] Database fail on updateSelected(). Error Code " << rc << std::endl;
std::cout << "[WARN] Database fail on updateSelected(): " << sqlite3_errmsg(db) << std::endl;
}
bool Database::validateCharacter(int characterID, int userID) {
@ -565,6 +576,8 @@ int Database::createCharacter(sP_CL2LS_REQ_SAVE_CHAR_NAME* save, int AccountID)
int playerId = sqlite3_last_insert_rowid(db);
sqlite3_finalize(stmt);
sql = R"(
INSERT INTO Appearances (PlayerID)
VALUES (?);
@ -605,6 +618,8 @@ bool Database::finishCharacter(sP_CL2LS_REQ_CHAR_CREATE* character, int accountI
return false;
}
sqlite3_finalize(stmt);
sql = R"(
UPDATE Appearances
SET
@ -636,6 +651,8 @@ bool Database::finishCharacter(sP_CL2LS_REQ_CHAR_CREATE* character, int accountI
return false;
}
sqlite3_finalize(stmt);
sql = R"(
INSERT INTO Inventory (PlayerID, Slot, ID, Type, Opt)
VALUES (?, ?, ?, ?, 1);
@ -690,6 +707,8 @@ bool Database::finishTutorial(int playerID, int accountID) {
return false;
}
sqlite3_finalize(stmt);
// Lightning Gun
sql = R"(
INSERT INTO Inventory
@ -706,6 +725,8 @@ bool Database::finishTutorial(int playerID, int accountID) {
return false;
}
sqlite3_finalize(stmt);
// Nano Buttercup
sql = R"(
INSERT INTO Nanos
@ -749,6 +770,8 @@ int Database::deleteCharacter(int characterID, int userID) {
}
int slot = sqlite3_column_int(stmt, 0);
sqlite3_finalize(stmt);
sql = R"(
DELETE FROM Players
WHERE AccountID = ? AND PlayerID = ?;
@ -851,7 +874,7 @@ void Database::evaluateCustomName(int characterID, CustomName decision) {
sqlite3_bind_int(stmt, 2, characterID);
if (sqlite3_step(stmt) != SQLITE_DONE)
std::cout << "[WARN] Database: Failed to update nameCheck" << std::endl;
std::cout << "[WARN] Database: Failed to update nameCheck: " << sqlite3_errmsg(db) << std::endl;
sqlite3_finalize(stmt);
}
@ -909,7 +932,7 @@ void Database::getPlayer(Player* plr, int id) {
sqlite3_bind_int(stmt, 1, id);
if (sqlite3_step(stmt) != SQLITE_ROW) {
sqlite3_finalize(stmt);
std::cout << "[WARN] Database: Failed to load character [" << id << "]" << std::endl;
std::cout << "[WARN] Database: Failed to load character [" << id << "]: " << sqlite3_errmsg(db) << std::endl;
return;
}
@ -967,6 +990,8 @@ void Database::getPlayer(Player* plr, int id) {
plr->PCStyle.iHeight = sqlite3_column_int(stmt, 34);
plr->PCStyle.iSkinColor = sqlite3_column_int(stmt, 35);
sqlite3_finalize(stmt);
// get inventory
sql = R"(
SELECT Slot, Type, ID, Opt, TimeLimit
@ -1005,6 +1030,8 @@ void Database::getPlayer(Player* plr, int id) {
item->iTimeLimit = sqlite3_column_int(stmt, 4);
}
sqlite3_finalize(stmt);
Database::removeExpiredVehicles(plr);
// get quest inventory
@ -1027,6 +1054,7 @@ void Database::getPlayer(Player* plr, int id) {
item->iOpt = sqlite3_column_int(stmt, 2);
}
sqlite3_finalize(stmt);
// get nanos
sql = R"(
@ -1051,6 +1079,8 @@ void Database::getPlayer(Player* plr, int id) {
nano->iStamina = sqlite3_column_int(stmt, 2);
}
sqlite3_finalize(stmt);
// get active quests
sql = R"(
SELECT
@ -1074,6 +1104,8 @@ void Database::getPlayer(Player* plr, int id) {
i++;
}
sqlite3_finalize(stmt);
// get buddies
sql = R"(
SELECT PlayerAID, PlayerBID
@ -1095,6 +1127,8 @@ void Database::getPlayer(Player* plr, int id) {
i++;
}
sqlite3_finalize(stmt);
// get blocked players
sql = R"(
SELECT BlockedPlayerID FROM Blocks
@ -1165,12 +1199,14 @@ void Database::updatePlayer(Player *player) {
sqlite3_bind_int(stmt, 21, player->iID);
if (sqlite3_step(stmt) != SQLITE_DONE) {
std::cout << "[WARN] Database: Failed to save player to database: " << sqlite3_errmsg(db) << std::endl;
sqlite3_finalize(stmt);
sqlite3_exec(db, "ROLLBACK TRANSACTION;", NULL, NULL, NULL);
std::cout << "[WARN] Database: Failed to save player to database" << std::endl;
return;
}
sqlite3_finalize(stmt);
// update inventory
sql = R"(
DELETE FROM Inventory WHERE PlayerID = ?;
@ -1179,6 +1215,8 @@ void Database::updatePlayer(Player *player) {
sqlite3_bind_int(stmt, 1, player->iID);
int rc = sqlite3_step(stmt);
sqlite3_finalize(stmt);
sql = R"(
INSERT INTO Inventory
(PlayerID, Slot, Type, Opt, ID, Timelimit)
@ -1200,9 +1238,9 @@ void Database::updatePlayer(Player *player) {
rc = sqlite3_step(stmt);
if (rc != SQLITE_DONE) {
std::cout << "[WARN] Database: Failed to save player to database: " << sqlite3_errmsg(db) << std::endl;
sqlite3_exec(db, "ROLLBACK TRANSACTION;", NULL, NULL, NULL);
sqlite3_finalize(stmt);
std::cout << "[WARN] Database: Failed to save player to database" << std::endl;
return;
}
sqlite3_reset(stmt);
@ -1220,9 +1258,9 @@ void Database::updatePlayer(Player *player) {
sqlite3_bind_int(stmt, 6, player->Inven[i].iTimeLimit);
if (sqlite3_step(stmt) != SQLITE_DONE) {
std::cout << "[WARN] Database: Failed to save player to database: " << sqlite3_errmsg(db) << std::endl;
sqlite3_exec(db, "ROLLBACK TRANSACTION;", NULL, NULL, NULL);
sqlite3_finalize(stmt);
std::cout << "[WARN] Database: Failed to save player to database" << std::endl;
return;
}
sqlite3_reset(stmt);
@ -1240,14 +1278,15 @@ void Database::updatePlayer(Player *player) {
sqlite3_bind_int(stmt, 6, player->Bank[i].iTimeLimit);
if (sqlite3_step(stmt) != SQLITE_DONE) {
std::cout << "[WARN] Database: Failed to save player to database: " << sqlite3_errmsg(db) << std::endl;
sqlite3_exec(db, "ROLLBACK TRANSACTION;", NULL, NULL, NULL);
sqlite3_finalize(stmt);
std::cout << "[WARN] Database: Failed to save player to database" << std::endl;
return;
}
sqlite3_reset(stmt);
}
sqlite3_finalize(stmt);
// Update Quest Inventory
sql = R"(
@ -1257,6 +1296,8 @@ void Database::updatePlayer(Player *player) {
sqlite3_bind_int(stmt, 1, player->iID);
sqlite3_step(stmt);
sqlite3_finalize(stmt);
sql = R"(
INSERT INTO QuestItems (PlayerID, Slot, Opt, ID)
VALUES (?, ?, ?, ?);
@ -1273,14 +1314,16 @@ void Database::updatePlayer(Player *player) {
sqlite3_bind_int(stmt, 4, player->QInven[i].iID);
if (sqlite3_step(stmt) != SQLITE_DONE) {
std::cout << "[WARN] Database: Failed to save player to database: " << sqlite3_errmsg(db) << std::endl;
sqlite3_exec(db, "ROLLBACK TRANSACTION;", NULL, NULL, NULL);
sqlite3_finalize(stmt);
std::cout << "[WARN] Database: Failed to save player to database" << std::endl;
return;
}
sqlite3_reset(stmt);
}
sqlite3_finalize(stmt);
// Update Nanos
sql = R"(
DELETE FROM Nanos WHERE PlayerID = ?;
@ -1289,6 +1332,8 @@ void Database::updatePlayer(Player *player) {
sqlite3_bind_int(stmt, 1, player->iID);
sqlite3_step(stmt);
sqlite3_finalize(stmt);
sql = R"(
INSERT INTO Nanos (PlayerID, ID, SKill, Stamina)
VALUES (?, ?, ?, ?);
@ -1305,14 +1350,16 @@ void Database::updatePlayer(Player *player) {
sqlite3_bind_int(stmt, 4, player->Nanos[i].iStamina);
if (sqlite3_step(stmt) != SQLITE_DONE) {
std::cout << "[WARN] Database: Failed to save player to database: " << sqlite3_errmsg(db) << std::endl;
sqlite3_exec(db, "ROLLBACK TRANSACTION;", NULL, NULL, NULL);
sqlite3_finalize(stmt);
std::cout << "[WARN] Database: Failed to save player to database" << std::endl;
return;
}
sqlite3_reset(stmt);
}
sqlite3_finalize(stmt);
// Update Running Quests
sql = R"(
DELETE FROM RunningQuests WHERE PlayerID = ?;
@ -1321,6 +1368,8 @@ void Database::updatePlayer(Player *player) {
sqlite3_bind_int(stmt, 1, player->iID);
sqlite3_step(stmt);
sqlite3_finalize(stmt);
sql = R"(
INSERT INTO RunningQuests
(PlayerID, TaskID, RemainingNPCCount1, RemainingNPCCount2, RemainingNPCCount3)
@ -1338,9 +1387,9 @@ void Database::updatePlayer(Player *player) {
sqlite3_bind_int(stmt, 5, player->RemainingNPCCount[i][2]);
if (sqlite3_step(stmt) != SQLITE_DONE) {
std::cout << "[WARN] Database: Failed to save player to database: " << sqlite3_errmsg(db) << std::endl;
sqlite3_exec(db, "ROLLBACK TRANSACTION;", NULL, NULL, NULL);
sqlite3_finalize(stmt);
std::cout << "[WARN] Database: Failed to save player to database" << std::endl;
return;
}
sqlite3_reset(stmt);
@ -1401,6 +1450,8 @@ int Database::getNumBuddies(Player* player) {
sqlite3_step(stmt);
int result = sqlite3_column_int(stmt, 0);
sqlite3_finalize(stmt);
sql = R"(
SELECT COUNT(*)
FROM Blocks
@ -1430,7 +1481,7 @@ void Database::addBuddyship(int playerA, int playerB) {
sqlite3_bind_int(stmt, 2, playerB);
if (sqlite3_step(stmt) != SQLITE_DONE)
std::cout << "[WARN] Database: failed to add buddyship" << std::endl;
std::cout << "[WARN] Database: failed to add buddyship: " << sqlite3_errmsg(db) << std::endl;
sqlite3_finalize(stmt);
}
@ -1466,7 +1517,7 @@ void Database::addBlock(int playerId, int blockedPlayerId) {
sqlite3_bind_int(stmt, 2, blockedPlayerId);
if (sqlite3_step(stmt) != SQLITE_DONE)
std::cout << "[WARN] Database: failed to block player" << std::endl;
std::cout << "[WARN] Database: failed to block player: " << sqlite3_errmsg(db) << std::endl;
sqlite3_finalize(stmt);
}
@ -1496,7 +1547,11 @@ int Database::getUnreadEmailCount(int playerID) {
sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
sqlite3_bind_int(stmt, 1, playerID);
sqlite3_step(stmt);
return sqlite3_column_int(stmt, 0);
int ret = sqlite3_column_int(stmt, 0);
sqlite3_finalize(stmt);
return ret;
}
std::vector<Database::EmailData> Database::getEmails(int playerID, int page) {
@ -1612,6 +1667,7 @@ sItemBase* Database::getEmailAttachments(int playerID, int index) {
items[slot].iTimeLimit = sqlite3_column_int(stmt, 4);
}
sqlite3_finalize(stmt);
return items;
}
@ -1632,6 +1688,8 @@ void Database::updateEmailContent(EmailData* data) {
data->ItemFlag = (data->Taros > 0 || attachmentsCount > 0) ? 1 : 0; // set attachment flag dynamically
sqlite3_finalize(stmt);
sql = R"(
UPDATE EmailData
SET
@ -1666,7 +1724,7 @@ void Database::updateEmailContent(EmailData* data) {
sqlite3_bind_int(stmt, 14, data->MsgIndex);
if (sqlite3_step(stmt) != SQLITE_DONE)
std::cout << "[WARN] Database: failed to update email" << std::endl;
std::cout << "[WARN] Database: failed to update email: " << sqlite3_errmsg(db) << std::endl;
sqlite3_finalize(stmt);
}
@ -1692,7 +1750,7 @@ void Database::deleteEmailAttachments(int playerID, int index, int slot) {
sqlite3_bind_int(stmt, 3, slot);
if (sqlite3_step(stmt) != SQLITE_DONE)
std::cout << "[WARN] Database: Failed to delete email attachments" << std::endl;
std::cout << "[WARN] Database: Failed to delete email attachments: " << sqlite3_errmsg(db) << std::endl;
sqlite3_finalize(stmt);
}
@ -1712,7 +1770,7 @@ void Database::deleteEmails(int playerID, int64_t* indices) {
sqlite3_bind_int(stmt, 1, playerID);
sqlite3_bind_int64(stmt, 2, indices[i]);
if (sqlite3_step(stmt) != SQLITE_DONE) {
std::cout << "[WARN] Database: Failed to delete an emil" << std::endl;
std::cout << "[WARN] Database: Failed to delete an email: " << sqlite3_errmsg(db) << std::endl;
}
sqlite3_reset(stmt);
}
@ -1737,6 +1795,7 @@ int Database::getNextEmailIndex(int playerID) {
sqlite3_step(stmt);
int index = sqlite3_column_int(stmt, 0);
sqlite3_finalize(stmt);
return (index > 0 ? index + 1 : 1);
}
@ -1769,12 +1828,14 @@ bool Database::sendEmail(EmailData* data, std::vector<sItemBase> attachments) {
sqlite3_bind_int64(stmt, 12, data->DeleteTime);
if (sqlite3_step(stmt) != SQLITE_DONE) {
std::cout << "[WARN] Database: Failed to send email" << std::endl;
std::cout << "[WARN] Database: Failed to send email: " << sqlite3_errmsg(db) << std::endl;
sqlite3_exec(db, "ROLLBACK TRANSACTION;", NULL, NULL, NULL);
sqlite3_finalize(stmt);
return false;
}
sqlite3_finalize(stmt);
// send attachments
int slot = 1;
for (sItemBase item : attachments) {
@ -1795,7 +1856,7 @@ bool Database::sendEmail(EmailData* data, std::vector<sItemBase> attachments) {
sqlite3_bind_int(stmt, 7, item.iTimeLimit);
if (sqlite3_step(stmt) != SQLITE_DONE) {
std::cout << "[WARN] Database: Failed to send email" << std::endl;
std::cout << "[WARN] Database: Failed to send email: " << sqlite3_errmsg(db) << std::endl;
sqlite3_exec(db, "ROLLBACK TRANSACTION;", NULL, NULL, NULL);
sqlite3_finalize(stmt);
return false;

2
src/settings.cpp
View File

@ -57,8 +57,8 @@ void settings::init() {
VERBOSITY = reader.GetInteger("", "verbosity", VERBOSITY);
LOGINPORT = reader.GetInteger("login", "port", LOGINPORT);
SHARDPORT = reader.GetInteger("shard", "port", SHARDPORT);
DBSAVEINTERVAL = reader.GetInteger("login", "dbsaveinterval", DBSAVEINTERVAL);
SHARDSERVERIP = reader.Get("shard", "ip", "127.0.0.1");
DBSAVEINTERVAL = reader.GetInteger("shard", "dbsaveinterval", DBSAVEINTERVAL);
TIMEOUT = reader.GetInteger("shard", "timeout", TIMEOUT);
VIEWDISTANCE = reader.GetInteger("shard", "viewdistance", VIEWDISTANCE);
SIMULATEMOBS = reader.GetBoolean("shard", "simulatemobs", SIMULATEMOBS);