// Probably file arrived on the disk
bool notifyDatabaseName(const Firebird::PathName& file)
{
#ifdef HAVE_ID_BY_NAME
// notifyDatabaseName typically causes changes in aliasesConf()
// cause it's called only from Config created for missing database.
// Therefore always take write lock at once.
WriteLockGuard guard(aliasesConf().rwLock, "notifyDatabaseName");
DbName* db = aliasesConf().dbHash.lookup(file);
if (!db)
return true;
if (db->id)
return true;
UCharBuffer id;
os_utils::getUniqueFileId(file.c_str(), id);
if (id.hasData())
{
aliasesConf().linkId(db, id);
return true;
}
#endif
return false;
}
// Full processing of database name
// Returns true if alias was found in databases.conf
bool expandDatabaseName(Firebird::PathName alias,
Firebird::PathName& file,
Firebird::RefPtr<Config>* config)
{
try
{
aliasesConf().checkLoadConfig();
}
catch (const fatal_exception& ex)
{
gds__log("File databases.conf contains bad data: %s", ex.what());
Arg::Gds(isc_server_misconfigured).raise();
}
// remove whitespaces from database name
alias.trim();
ReadLockGuard guard(aliasesConf().rwLock, "expandDatabaseName");
// First of all check in databases.conf
if (resolveAlias(alias, file, config))
{
return true;
}
// Now try ISC_PATH environment variable
if (!setPath(alias, file))
{
// At this step check DatabaseAccess paths in firebird.conf
if (!resolveDatabaseAccess(alias, file))
{
// Last chance - regular filename expansion
file = alias;
ISC_systemToUtf8(file);
ISC_unescape(file);
ISC_utf8ToSystem(file);
ISC_expand_filename(file, true);
ISC_systemToUtf8(file);
ISC_escape(file);
ISC_utf8ToSystem(file);
}
}
// Search for correct config in databases.conf
if (config)
{
DbName* db = aliasesConf().dbHash.lookup(file);
#ifdef HAVE_ID_BY_NAME
if (!db)
{
UCharBuffer id;
os_utils::getUniqueFileId(file.c_str(), id);
if (id.hasData())
{
Id* i = aliasesConf().idHash.lookup(id);
if (i)
db = i->db;
}
}
#endif
*config = (db && db->config.hasData()) ? db->config : Config::getDefaultConfig();
}
return false;
}