std::string Settings::get(const std::string &name) const
{
const SettingsEntry &entry = getEntry(name);
if (entry.is_group)
throw SettingNotFoundException("Setting [" + name + "] is a group.");
return entry.value;
}
Settings *Settings::getGroup(const std::string &name) const
{
const SettingsEntry &entry = getEntry(name);
if (!entry.is_group)
throw SettingNotFoundException("Setting [" + name + "] is not a group.");
return entry.group;
}
const SettingsEntry &Settings::getEntry(const std::string &name) const
{
MutexAutoLock lock(m_mutex);
std::map<std::string, SettingsEntry>::const_iterator n;
if ((n = m_settings.find(name)) == m_settings.end()) {
if ((n = m_defaults.find(name)) == m_defaults.end())
throw SettingNotFoundException("Setting [" + name + "] not found.");
}
return n->second;
}
Database_PostgreSQL::Database_PostgreSQL(const std::string &connect_string) :
m_connect_string(connect_string)
{
if (m_connect_string.empty()) {
throw SettingNotFoundException(
"Set pgsql_connection string in world.mt to "
"use the postgresql backend\n"
"Notes:\n"
"pgsql_connection has the following form: \n"
"\tpgsql_connection = host=127.0.0.1 port=5432 user=mt_user "
"password=mt_password dbname=minetest_world\n"
"mt_user should have CREATE TABLE, INSERT, SELECT, UPDATE and "
"DELETE rights on the database.\n"
"Don't create mt_user as a SUPERUSER!");
}
}
Database_Redis::Database_Redis(Settings &conf)
{
std::string tmp;
try {
tmp = conf.get("redis_address");
hash = conf.get("redis_hash");
} catch (SettingNotFoundException) {
throw SettingNotFoundException("Set redis_address and "
"redis_hash in world.mt to use the redis backend");
}
const char *addr = tmp.c_str();
int port = conf.exists("redis_port") ? conf.getU16("redis_port") : 6379;
ctx = redisConnect(addr, port);
if (!ctx) {
throw FileNotGoodException("Cannot allocate redis context");
} else if (ctx->err) {
std::string err = std::string("Connection error: ") + ctx->errstr;
redisFree(ctx);
throw FileNotGoodException(err);
}
}
Database_Redis::Database_Redis(ServerMap *map, std::string savedir)
{
Settings conf;
conf.readConfigFile((std::string(savedir) + DIR_DELIM + "world.mt").c_str());
std::string tmp;
try {
tmp = conf.get("redis_address");
hash = conf.get("redis_hash");
} catch(SettingNotFoundException e) {
throw SettingNotFoundException("Set redis_address and redis_hash in world.mt to use the redis backend");
}
const char *addr = tmp.c_str();
int port = conf.exists("redis_port") ? conf.getU16("redis_port") : 6379;
ctx = redisConnect(addr, port);
if(!ctx)
throw FileNotGoodException("Cannot allocate redis context");
else if(ctx->err) {
std::string err = std::string("Connection error: ") + ctx->errstr;
redisFree(ctx);
throw FileNotGoodException(err);
}
srvmap = map;
}