bool CApp::OnInit()
{
new char[333];
CConfigReadManager::getMe().LoadConfigData();
InitDb();
InitNet();
return true;
}
bool OpenDb(QString dbname,QString login,QString pwd,QString host)
{
QString admin_name;
QString admin_pwd;
QString sql;
QSqlQuery *q;
QString msg;
MySqlLogin *mysql_login;
//
// Open Database
//
QSqlDatabase *db=QSqlDatabase::addDatabase(config->mysqlDbtype());
if(!db) {
return false;
}
db->setDatabaseName(dbname);
db->setUserName(login);
db->setPassword(pwd);
db->setHostName(host);
if(!db->open()) {
msg="Unable to access the Davit Database!\n\
Please enter a login for an account with\n\
administrative rights on the mySQL server,\n\
and we will try to get this straightened out.";
mysql_login=new MySqlLogin(msg,&admin_name,&admin_pwd);
if(mysql_login->exec()!=0) {
delete mysql_login;
db->removeDatabase(dbname);
return false;
}
delete mysql_login;
db->setUserName(admin_name);
db->setPassword(admin_pwd);
if(db->open()) { // Fixup DB Access Permsissions
QMessageBox::warning(NULL,"Can't Connect",
"Wrong access permissions for accessing mySQL!");
db->removeDatabase("mysql");
return false;
}
else {
db->setDatabaseName("mysql");
if(!db->open()) { // mySQL is hosed -- scream and die.
QMessageBox::warning(NULL,"Can't Connect",
"Unable to connect to mySQL!");
db->removeDatabase("mysql");
return false;
}
else { // Create a new Davit Database
q=new QSqlQuery(QString().sprintf("create database %s",
(const char *)dbname));
if(!q->isActive()) { // Can't create DB.
delete q;
QMessageBox::warning(NULL,"Can't Create DB",
"Unable to create a Davit Database!");
db->removeDatabase("mysql");
return false;
}
delete q;
sql=QString().sprintf("insert into user set Host=\"localhost\",\
User=\"%s\",Password=PASSWORD(\"%s\")",
(const char *)login,(const char *)pwd);
q=new QSqlQuery(sql);
delete q;
sql=QString().sprintf("insert into user set Host=\"\",\
User=\"%s\",Password=PASSWORD(\"%s\")",
(const char *)login,(const char *)pwd);
q=new QSqlQuery(sql);
delete q;
sql=QString().
sprintf("insert into db set Host=\"%%\",Db=\"%s\",\
User=\"%s\",Select_priv=\"Y\",Insert_priv=\"Y\",Update_priv=\"Y\",\
Delete_priv=\"Y\",Create_priv=\"Y\",Drop_priv=\"Y\",\
Index_priv=\"Y\",Alter_priv=\"Y\"",
(const char *)dbname,(const char *)login);
q=new QSqlQuery(sql);
delete q;
q=new QSqlQuery("flush privileges");
delete q;
db->close(); // Relinquish admin perms
db->setDatabaseName(dbname);
db->setUserName(login);
db->setPassword(pwd);
if(!db->open()) { // Can't open new database
QMessageBox::warning(NULL,"Can't Connect",
"Unable to connect to new Davit Database!");
db->removeDatabase(dbname);
return false;
}
if(!CreateDb(login,pwd)) { // Can't create tables.
QMessageBox::warning(NULL,"Can't Create",
"Unable to create Davit Database!");
db->removeDatabase(dbname);
return false;
}
db->close();
db->setDatabaseName(dbname);
db->setUserName(login);
db->setPassword(pwd);
if(!db->open()) {
QMessageBox::warning(NULL,"Can't Connect",
"Unable to connect to Davit Database!");
db->removeDatabase(dbname);
return false;
}
if(!InitDb(login,pwd)) { // Can't initialize tables.
QMessageBox::warning(NULL,"Can't Initialize",
"Unable to initialize Davit Database!");
db->removeDatabase(dbname);
return false;
}
UpdateDb(DVT_VERSION_DATABASE);
QMessageBox::information(NULL,"Created Database",
"New Davit Database Created!");
return true;
}
}
return false;
}
q=new QSqlQuery("select DB from VERSION");
if(!q->first()) {
QMessageBox::warning(NULL,"Can't Access",
"Unable to access Davit Database!");
db->removeDatabase(dbname);
return false;
}
int ver=q->value(0).toInt();
delete q;
if(ver<DVT_VERSION_DATABASE) {
if(QMessageBox::warning(NULL,"Update Needed",
"The Davit Database needs to be updated.\nContinue?",
QMessageBox::Yes,QMessageBox::No)==QMessageBox::No) {
db->removeDatabase(dbname);
return false;
}
if(!UpdateDb(ver)) {
QMessageBox::warning(NULL,"Can't Update",
"Unable to update Davit Database!");
db->removeDatabase(dbname);
return false;
}
msg=QString().
sprintf("The Davit Database has\nbeen updated to Version %d",
DVT_VERSION_DATABASE);
QMessageBox::information(NULL,"Database Updated",msg);
}
return true;
}
bool OpenDb(QString dbname,QString login,QString pwd,
QString host,QString stationname,bool interactive)
{
//
// Yeesh, this whole method really needs a rewrite!
// They shoot horses, don't they??
//
QString admin_name;
QString admin_pwd;
QString msg;
QString str;
QString sql;
QSqlQuery *q;
//
// Open Database
//
QSqlDatabase *db=QSqlDatabase::addDatabase(admin_config->mysqlDriver());
if(!db) {
return false;
}
db->setDatabaseName(dbname);
db->setUserName(login);
db->setPassword(pwd);
db->setHostName(host);
if(!db->open()) {
RDKillDaemons();
PrintDbError(QObject::tr("Unable to open MySQL database connection."),
interactive);
}
//
// Identify DB
//
sql=QString("show tables");
q=new QSqlQuery(sql);
if(q->first()) {
delete q;
sql=QString("select DB from VERSION");
q=new QSqlQuery(sql);
if(q->first()) {
if(q->value(0).toInt()!=RD_VERSION_DATABASE) {
PrintDbError("Unsupported database version",interactive);
}
}
else {
PrintDbError("Database is corrupt",interactive);
}
}
else {
CreateDb();
InitDb(stationname);
if(interactive) {
QMessageBox::information(NULL,"RDAdmin - "+QObject::tr("DB Message"),
QObject::tr("Created new Rivendell database."));
}
}
delete q;
return true;
}
