1 files changed, 209 insertions, 1 deletions

diff --git a/src/database/database-leveldb.cpp b/src/database/database-leveldb.cpp
index 4a4904c6a..1976ae13d 100644
--- a/src/database/database-leveldb.cpp
+++ b/src/database/database-leveldb.cpp
@@ -26,6 +26,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "log.h"
 #include "filesys.h"
 #include "exceptions.h"
+#include "remoteplayer.h"
+#include "server/player_sao.h"
+#include "util/serialize.h"
 #include "util/string.h"
 
 #include "leveldb/db.h"
@@ -97,5 +100,210 @@ void Database_LevelDB::listAllLoadableBlocks(std::vector<v3s16> &dst)
 	delete it;
 }
 
-#endif // USE_LEVELDB
+PlayerDatabaseLevelDB::PlayerDatabaseLevelDB(const std::string &savedir)
+{
+	leveldb::Options options;
+	options.create_if_missing = true;
+	leveldb::Status status = leveldb::DB::Open(options,
+		savedir + DIR_DELIM + "players.db", &m_database);
+	ENSURE_STATUS_OK(status);
+}
+
+PlayerDatabaseLevelDB::~PlayerDatabaseLevelDB()
+{
+	delete m_database;
+}
+
+void PlayerDatabaseLevelDB::savePlayer(RemotePlayer *player)
+{
+	/*
+	u8 version = 1
+	u16 hp
+	v3f position
+	f32 pitch
+	f32 yaw
+	u16 breath
+	u32 attribute_count
+	for each attribute {
+		std::string name
+		std::string (long) value
+	}
+	std::string (long) serialized_inventory
+	*/
+
+	std::ostringstream os;
+	writeU8(os, 1);
+
+	PlayerSAO *sao = player->getPlayerSAO();
+	sanity_check(sao);
+	writeU16(os, sao->getHP());
+	writeV3F32(os, sao->getBasePosition());
+	writeF32(os, sao->getLookPitch());
+	writeF32(os, sao->getRotation().Y);
+	writeU16(os, sao->getBreath());
+
+	StringMap stringvars = sao->getMeta().getStrings();
+	writeU32(os, stringvars.size());
+	for (const auto &it : stringvars) {
+		os << serializeString(it.first);
+		os << serializeLongString(it.second);
+	}
 
+	player->inventory.serialize(os);
+
+	leveldb::Status status = m_database->Put(leveldb::WriteOptions(),
+		player->getName(), os.str());
+	ENSURE_STATUS_OK(status);
+	player->onSuccessfulSave();
+}
+
+bool PlayerDatabaseLevelDB::removePlayer(const std::string &name)
+{
+	leveldb::Status s = m_database->Delete(leveldb::WriteOptions(), name);
+	return s.ok();
+}
+
+bool PlayerDatabaseLevelDB::loadPlayer(RemotePlayer *player, PlayerSAO *sao)
+{
+	std::string raw;
+	leveldb::Status s = m_database->Get(leveldb::ReadOptions(),
+		player->getName(), &raw);
+	if (!s.ok())
+		return false;
+	std::istringstream is(raw);
+
+	if (readU8(is) > 1)
+		return false;
+
+	sao->setHPRaw(readU16(is));
+	sao->setBasePosition(readV3F32(is));
+	sao->setLookPitch(readF32(is));
+	sao->setPlayerYaw(readF32(is));
+	sao->setBreath(readU16(is), false);
+
+	u32 attribute_count = readU32(is);
+	for (u32 i = 0; i < attribute_count; i++) {
+		std::string name = deSerializeString(is);
+		std::string value = deSerializeLongString(is);
+		sao->getMeta().setString(name, value);
+	}
+	sao->getMeta().setModified(false);
+
+	// This should always be last.
+	try {
+		player->inventory.deSerialize(is);
+	} catch (SerializationError &e) {
+		errorstream << "Failed to deserialize player inventory. player_name="
+			<< player->getName() << " " << e.what() << std::endl;
+	}
+
+	return true;
+}
+
+void PlayerDatabaseLevelDB::listPlayers(std::vector<std::string> &res)
+{
+	leveldb::Iterator* it = m_database->NewIterator(leveldb::ReadOptions());
+	res.clear();
+	for (it->SeekToFirst(); it->Valid(); it->Next()) {
+		res.push_back(it->key().ToString());
+	}
+	delete it;
+}
+
+AuthDatabaseLevelDB::AuthDatabaseLevelDB(const std::string &savedir)
+{
+	leveldb::Options options;
+	options.create_if_missing = true;
+	leveldb::Status status = leveldb::DB::Open(options,
+		savedir + DIR_DELIM + "auth.db", &m_database);
+	ENSURE_STATUS_OK(status);
+}
+
+AuthDatabaseLevelDB::~AuthDatabaseLevelDB()
+{
+	delete m_database;
+}
+
+bool AuthDatabaseLevelDB::getAuth(const std::string &name, AuthEntry &res)
+{
+	std::string raw;
+	leveldb::Status s = m_database->Get(leveldb::ReadOptions(), name, &raw);
+	if (!s.ok())
+		return false;
+	std::istringstream is(raw);
+
+	/*
+	u8 version = 1
+	std::string password
+	u16 number of privileges
+	for each privilege {
+		std::string privilege
+	}
+	s64 last_login
+	*/
+
+	if (readU8(is) > 1)
+		return false;
+
+	res.id = 1;
+	res.name = name;
+	res.password = deSerializeString(is);
+
+	u16 privilege_count = readU16(is);
+	res.privileges.clear();
+	res.privileges.reserve(privilege_count);
+	for (u16 i = 0; i < privilege_count; i++) {
+		res.privileges.push_back(deSerializeString(is));
+	}
+
+	res.last_login = readS64(is);
+	return true;
+}
+
+bool AuthDatabaseLevelDB::saveAuth(const AuthEntry &authEntry)
+{
+	std::ostringstream os;
+	writeU8(os, 1);
+	os << serializeString(authEntry.password);
+
+	size_t privilege_count = authEntry.privileges.size();
+	FATAL_ERROR_IF(privilege_count > U16_MAX,
+		"Unsupported number of privileges");
+	writeU16(os, privilege_count);
+	for (const std::string &privilege : authEntry.privileges) {
+		os << serializeString(privilege);
+	}
+
+	writeS64(os, authEntry.last_login);
+	leveldb::Status s = m_database->Put(leveldb::WriteOptions(),
+		authEntry.name, os.str());
+	return s.ok();
+}
+
+bool AuthDatabaseLevelDB::createAuth(AuthEntry &authEntry)
+{
+	return saveAuth(authEntry);
+}
+
+bool AuthDatabaseLevelDB::deleteAuth(const std::string &name)
+{
+	leveldb::Status s = m_database->Delete(leveldb::WriteOptions(), name);
+	return s.ok();
+}
+
+void AuthDatabaseLevelDB::listNames(std::vector<std::string> &res)
+{
+	leveldb::Iterator* it = m_database->NewIterator(leveldb::ReadOptions());
+	res.clear();
+	for (it->SeekToFirst(); it->Valid(); it->Next()) {
+		res.emplace_back(it->key().ToString());
+	}
+	delete it;
+}
+
+void AuthDatabaseLevelDB::reload()
+{
+	// No-op for LevelDB.
+}
+
+#endif // USE_LEVELDB