#include "profiler.h"
#include "raycast.h"
#include "remoteplayer.h"
-#include "scripting_game.h"
+#include "scripting_server.h"
#include "server.h"
#include "voxelalgorithms.h"
#include "util/serialize.h"
#include "util/pointedthing.h"
#include "threading/mutex_auto_lock.h"
#include "filesys.h"
+#include "gameparams.h"
+#include "database-dummy.h"
+#include "database-files.h"
+#include "database-sqlite3.h"
+#if USE_POSTGRESQL
+#include "database-postgresql.h"
+#endif
#define LBM_NAME_ALLOWED_CHARS "abcdefghijklmnopqrstuvwxyz0123456789_:"
*/
ABMWithState::ABMWithState(ActiveBlockModifier *abm_):
- abm(abm_),
- timer(0)
+ abm(abm_)
{
// Initialize timer to random value to spread processing
float itv = abm->getTriggerInterval();
if (!string_allowed(lbm_def->name, LBM_NAME_ALLOWED_CHARS)) {
throw ModError("Error adding LBM \"" + lbm_def->name +
"\": Does not follow naming conventions: "
- "Only chararacters [a-z0-9_:] are allowed.");
+ "Only characters [a-z0-9_:] are allowed.");
}
m_lbm_defs[lbm_def->name] = lbm_def;
*/
ServerEnvironment::ServerEnvironment(ServerMap *map,
- GameScripting *scriptIface, Server *server,
- const std::string &path_world) :
+ ServerScripting *scriptIface, Server *server,
+ const std::string &path_world):
+ Environment(server),
m_map(map),
m_script(scriptIface),
m_server(server),
- m_path_world(path_world),
- m_send_recommended_timer(0),
- m_active_block_interval_overload_skip(0),
- m_game_time(0),
- m_game_time_fraction_counter(0),
- m_last_clear_objects_time(0),
- m_recommended_send_interval(0.1),
- m_max_lag_estimate(0.1)
+ m_path_world(path_world)
{
+ // Determine which database backend to use
+ std::string conf_path = path_world + DIR_DELIM + "world.mt";
+ Settings conf;
+ bool succeeded = conf.readConfigFile(conf_path.c_str());
+ if (!succeeded || !conf.exists("player_backend")) {
+ // fall back to files
+ conf.set("player_backend", "files");
+ warningstream << "/!\\ You are using old player file backend. "
+ << "This backend is deprecated and will be removed in next release /!\\"
+ << std::endl << "Switching to SQLite3 or PostgreSQL is advised, "
+ << "please read http://wiki.minetest.net/Database_backends." << std::endl;
+
+ if (!conf.updateConfigFile(conf_path.c_str())) {
+ errorstream << "ServerEnvironment::ServerEnvironment(): "
+ << "Failed to update world.mt!" << std::endl;
+ }
+ }
+
+ std::string name = "";
+ conf.getNoEx("player_backend", name);
+ m_player_database = openPlayerDatabase(name, path_world, conf);
}
ServerEnvironment::~ServerEnvironment()
i != m_players.end(); ++i) {
delete (*i);
}
+
+ delete m_player_database;
}
Map & ServerEnvironment::getMap()
}
}
+bool ServerEnvironment::removePlayerFromDatabase(const std::string &name)
+{
+ return m_player_database->removePlayer(name);
+}
+
bool ServerEnvironment::line_of_sight(v3f pos1, v3f pos2, float stepsize, v3s16 *p)
{
float distance = pos1.getDistanceFrom(pos2);
void ServerEnvironment::saveLoadedPlayers()
{
- std::string players_path = m_path_world + DIR_DELIM "players";
+ std::string players_path = m_path_world + DIR_DELIM + "players";
fs::CreateDir(players_path);
for (std::vector<RemotePlayer *>::iterator it = m_players.begin();
it != m_players.end();
++it) {
- if ((*it)->checkModified()) {
- (*it)->save(players_path, m_server);
+ if ((*it)->checkModified() ||
+ ((*it)->getPlayerSAO() && (*it)->getPlayerSAO()->extendedAttributesModified())) {
+ try {
+ m_player_database->savePlayer(*it);
+ } catch (DatabaseException &e) {
+ errorstream << "Failed to save player " << (*it)->getName() << " exception: "
+ << e.what() << std::endl;
+ throw;
+ }
}
}
}
void ServerEnvironment::savePlayer(RemotePlayer *player)
{
- std::string players_path = m_path_world + DIR_DELIM "players";
- fs::CreateDir(players_path);
-
- player->save(players_path, m_server);
+ try {
+ m_player_database->savePlayer(player);
+ } catch (DatabaseException &e) {
+ errorstream << "Failed to save player " << player->getName() << " exception: "
+ << e.what() << std::endl;
+ throw;
+ }
}
-RemotePlayer *ServerEnvironment::loadPlayer(const std::string &playername, PlayerSAO *sao)
+PlayerSAO *ServerEnvironment::loadPlayer(RemotePlayer *player, bool *new_player,
+ u16 peer_id, bool is_singleplayer)
{
- bool newplayer = false;
- bool found = false;
- std::string players_path = m_path_world + DIR_DELIM "players" DIR_DELIM;
- std::string path = players_path + playername;
-
- RemotePlayer *player = getPlayer(playername.c_str());
- if (!player) {
- player = new RemotePlayer("", m_server->idef());
- newplayer = true;
- }
-
- for (u32 i = 0; i < PLAYER_FILE_ALTERNATE_TRIES; i++) {
- //// Open file and deserialize
- std::ifstream is(path.c_str(), std::ios_base::binary);
- if (!is.good())
- continue;
-
- player->deSerialize(is, path, sao);
- is.close();
-
- if (player->getName() == playername) {
- found = true;
- break;
+ PlayerSAO *playersao = new PlayerSAO(this, player, peer_id, is_singleplayer);
+ // Create player if it doesn't exist
+ if (!m_player_database->loadPlayer(player, playersao)) {
+ *new_player = true;
+ // Set player position
+ infostream << "Server: Finding spawn place for player \""
+ << player->getName() << "\"" << std::endl;
+ playersao->setBasePosition(m_server->findSpawnPos());
+
+ // Make sure the player is saved
+ player->setModified(true);
+ } else {
+ // If the player exists, ensure that they respawn inside legal bounds
+ // This fixes an assert crash when the player can't be added
+ // to the environment
+ ServerMap &map = getServerMap();
+ if (map.getMapgenParams()->saoPosOverLimit(playersao->getBasePosition())) {
+ actionstream << "Respawn position for player \""
+ << player->getName() << "\" outside limits, resetting" << std::endl;
+ playersao->setBasePosition(m_server->findSpawnPos());
}
-
- path = players_path + playername + itos(i);
}
- if (!found) {
- infostream << "Player file for player " << playername
- << " not found" << std::endl;
- if (newplayer)
- delete player;
+ // Add player to environment
+ addPlayer(player);
- return NULL;
- }
+ /* Clean up old HUD elements from previous sessions */
+ player->clearHud();
- if (newplayer) {
- addPlayer(player);
- }
- player->setModified(false);
- return player;
+ /* Add object to environment */
+ addActiveObject(playersao);
+
+ return playersao;
}
void ServerEnvironment::saveMeta()
chance = 1;
ActiveABM aabm;
aabm.abm = abm;
- if(abm->getSimpleCatchUp()) {
+ if (abm->getSimpleCatchUp()) {
float intervals = actual_interval / trigger_interval;
if(intervals == 0)
continue;
} else {
aabm.chance = chance;
}
+
// Trigger neighbors
- std::set<std::string> required_neighbors_s
- = abm->getRequiredNeighbors();
- for(std::set<std::string>::iterator
- i = required_neighbors_s.begin();
- i != required_neighbors_s.end(); ++i)
- {
- ndef->getIds(*i, aabm.required_neighbors);
+ const std::set<std::string> &required_neighbors_s =
+ abm->getRequiredNeighbors();
+ for (std::set<std::string>::iterator rn = required_neighbors_s.begin();
+ rn != required_neighbors_s.end(); ++rn) {
+ ndef->getIds(*rn, aabm.required_neighbors);
}
+
// Trigger contents
- std::set<std::string> contents_s = abm->getTriggerContents();
- for(std::set<std::string>::iterator
- i = contents_s.begin(); i != contents_s.end(); ++i)
- {
+ const std::set<std::string> &contents_s = abm->getTriggerContents();
+ for (std::set<std::string>::iterator cs = contents_s.begin();
+ cs != contents_s.end(); ++cs) {
std::set<content_t> ids;
- ndef->getIds(*i, ids);
- for(std::set<content_t>::const_iterator k = ids.begin();
- k != ids.end(); ++k)
- {
+ ndef->getIds(*cs, ids);
+ for (std::set<content_t>::const_iterator k = ids.begin();
+ k != ids.end(); ++k) {
content_t c = *k;
if (c >= m_aabms.size())
m_aabms.resize(c + 256, NULL);
return true;
}
-void ServerEnvironment::getObjectsInsideRadius(std::vector<u16> &objects, v3f pos, float radius)
+void ServerEnvironment::getObjectsInsideRadius(std::vector<u16> &objects, v3f pos,
+ float radius)
{
- for (ActiveObjectMap::iterator i = m_active_objects.begin();
+ for (ServerActiveObjectMap::iterator i = m_active_objects.begin();
i != m_active_objects.end(); ++i) {
ServerActiveObject* obj = i->second;
u16 id = i->first;
infostream << "ServerEnvironment::clearObjects(): "
<< "Removing all active objects" << std::endl;
std::vector<u16> objects_to_remove;
- for (ActiveObjectMap::iterator i = m_active_objects.begin();
+ for (ServerActiveObjectMap::iterator i = m_active_objects.begin();
i != m_active_objects.end(); ++i) {
ServerActiveObject* obj = i->second;
if (obj->getType() == ACTIVEOBJECT_TYPE_PLAYER)
// Update this one
// NOTE: This is kind of funny on a singleplayer game, but doesn't
// really matter that much.
- static const float server_step = g_settings->getFloat("dedicated_server_step");
+ static thread_local const float server_step =
+ g_settings->getFloat("dedicated_server_step");
m_recommended_send_interval = server_step;
/*
/*
Update list of active blocks, collecting changes
*/
- static const s16 active_block_range = g_settings->getS16("active_block_range");
+ static thread_local const s16 active_block_range =
+ g_settings->getS16("active_block_range");
std::set<v3s16> blocks_removed;
std::set<v3s16> blocks_added;
m_active_blocks.update(players_blockpos, active_block_range,
send_recommended = true;
}
- for(ActiveObjectMap::iterator i = m_active_objects.begin();
+ for (ServerActiveObjectMap::iterator i = m_active_objects.begin();
i != m_active_objects.end(); ++i) {
ServerActiveObject* obj = i->second;
// Don't step if is to be removed or stored statically
Manage particle spawner expiration
*/
if (m_particle_management_interval.step(dtime, 1.0)) {
- for (UNORDERED_MAP<u32, float>::iterator i = m_particle_spawners.begin();
+ for (std::unordered_map<u32, float>::iterator i = m_particle_spawners.begin();
i != m_particle_spawners.end(); ) {
//non expiring spawners
if (i->second == PARTICLE_SPAWNER_NO_EXPIRY) {
u32 id = 0;
for (;;) { // look for unused particlespawner id
id++;
- UNORDERED_MAP<u32, float>::iterator f = m_particle_spawners.find(id);
+ std::unordered_map<u32, float>::iterator f = m_particle_spawners.find(id);
if (f == m_particle_spawners.end()) {
m_particle_spawners[id] = time;
break;
void ServerEnvironment::deleteParticleSpawner(u32 id, bool remove_from_object)
{
m_particle_spawners.erase(id);
- UNORDERED_MAP<u32, u16>::iterator it = m_particle_spawner_attachments.find(id);
+ std::unordered_map<u32, u16>::iterator it = m_particle_spawner_attachments.find(id);
if (it != m_particle_spawner_attachments.end()) {
u16 obj_id = (*it).second;
ServerActiveObject *sao = getActiveObject(obj_id);
ServerActiveObject* ServerEnvironment::getActiveObject(u16 id)
{
- ActiveObjectMap::iterator n = m_active_objects.find(id);
+ ServerActiveObjectMap::const_iterator n = m_active_objects.find(id);
return (n != m_active_objects.end() ? n->second : NULL);
}
-bool isFreeServerActiveObjectId(u16 id, ActiveObjectMap &objects)
+bool isFreeServerActiveObjectId(u16 id, ServerActiveObjectMap &objects)
{
if (id == 0)
return false;
return objects.find(id) == objects.end();
}
-u16 getFreeServerActiveObjectId(ActiveObjectMap &objects)
+u16 getFreeServerActiveObjectId(ServerActiveObjectMap &objects)
{
//try to reuse id's as late as possible
static u16 last_used_id = 0;
- discard objects that are found in current_objects.
- add remaining objects to added_objects
*/
- for (ActiveObjectMap::iterator i = m_active_objects.begin();
+ for (ServerActiveObjectMap::iterator i = m_active_objects.begin();
i != m_active_objects.end(); ++i) {
u16 id = i->first;
so_it = block->m_static_objects.m_active.begin();
so_it != block->m_static_objects.m_active.end(); ++so_it) {
// Get the ServerActiveObject counterpart to this StaticObject
- ActiveObjectMap::iterator ao_it = m_active_objects.find(so_it->first);
+ ServerActiveObjectMap::const_iterator ao_it = m_active_objects.find(so_it->first);
if (ao_it == m_active_objects.end()) {
// If this ever happens, there must be some kind of nasty bug.
errorstream << "ServerEnvironment::setStaticForObjectsInBlock(): "
if (objectpos_over_limit(object->getBasePosition())) {
v3f p = object->getBasePosition();
- errorstream << "ServerEnvironment::addActiveObjectRaw(): "
+ warningstream << "ServerEnvironment::addActiveObjectRaw(): "
<< "object position (" << p.X << "," << p.Y << "," << p.Z
<< ") outside maximum range" << std::endl;
if (object->environmentDeletes())
void ServerEnvironment::removeRemovedObjects()
{
std::vector<u16> objects_to_remove;
- for(ActiveObjectMap::iterator i = m_active_objects.begin();
+ for(ServerActiveObjectMap::iterator i = m_active_objects.begin();
i != m_active_objects.end(); ++i) {
u16 id = i->first;
ServerActiveObject* obj = i->second;
If block wasn't generated (not in memory or on disk),
*/
-void ServerEnvironment::deactivateFarObjects(bool force_delete)
+void ServerEnvironment::deactivateFarObjects(bool _force_delete)
{
std::vector<u16> objects_to_remove;
- for(ActiveObjectMap::iterator i = m_active_objects.begin();
+ for (ServerActiveObjectMap::iterator i = m_active_objects.begin();
i != m_active_objects.end(); ++i) {
+ // force_delete might be overriden per object
+ bool force_delete = _force_delete;
+
ServerActiveObject* obj = i->second;
assert(obj);
m_active_objects.erase(*i);
}
}
+
+PlayerDatabase *ServerEnvironment::openPlayerDatabase(const std::string &name,
+ const std::string &savedir, const Settings &conf)
+{
+
+ if (name == "sqlite3")
+ return new PlayerDatabaseSQLite3(savedir);
+ else if (name == "dummy")
+ return new Database_Dummy();
+#if USE_POSTGRESQL
+ else if (name == "postgresql") {
+ std::string connect_string = "";
+ conf.getNoEx("pgsql_player_connection", connect_string);
+ return new PlayerDatabasePostgreSQL(connect_string);
+ }
+#endif
+ else if (name == "files")
+ return new PlayerDatabaseFiles(savedir + DIR_DELIM + "players");
+ else
+ throw BaseException(std::string("Database backend ") + name + " not supported.");
+}
+
+bool ServerEnvironment::migratePlayersDatabase(const GameParams &game_params,
+ const Settings &cmd_args)
+{
+ std::string migrate_to = cmd_args.get("migrate-players");
+ Settings world_mt;
+ std::string world_mt_path = game_params.world_path + DIR_DELIM + "world.mt";
+ if (!world_mt.readConfigFile(world_mt_path.c_str())) {
+ errorstream << "Cannot read world.mt!" << std::endl;
+ return false;
+ }
+
+ if (!world_mt.exists("player_backend")) {
+ errorstream << "Please specify your current backend in world.mt:"
+ << std::endl
+ << " player_backend = {files|sqlite3|postgresql}"
+ << std::endl;
+ return false;
+ }
+
+ std::string backend = world_mt.get("player_backend");
+ if (backend == migrate_to) {
+ errorstream << "Cannot migrate: new backend is same"
+ << " as the old one" << std::endl;
+ return false;
+ }
+
+ const std::string players_backup_path = game_params.world_path + DIR_DELIM
+ + "players.bak";
+
+ if (backend == "files") {
+ // Create backup directory
+ fs::CreateDir(players_backup_path);
+ }
+
+ try {
+ PlayerDatabase *srcdb = ServerEnvironment::openPlayerDatabase(backend,
+ game_params.world_path, world_mt);
+ PlayerDatabase *dstdb = ServerEnvironment::openPlayerDatabase(migrate_to,
+ game_params.world_path, world_mt);
+
+ std::vector<std::string> player_list;
+ srcdb->listPlayers(player_list);
+ for (std::vector<std::string>::const_iterator it = player_list.begin();
+ it != player_list.end(); ++it) {
+ actionstream << "Migrating player " << it->c_str() << std::endl;
+ RemotePlayer player(it->c_str(), NULL);
+ PlayerSAO playerSAO(NULL, &player, 15000, false);
+
+ srcdb->loadPlayer(&player, &playerSAO);
+
+ playerSAO.finalize(&player, std::set<std::string>());
+ player.setPlayerSAO(&playerSAO);
+
+ dstdb->savePlayer(&player);
+
+ // For files source, move player files to backup dir
+ if (backend == "files") {
+ fs::Rename(
+ game_params.world_path + DIR_DELIM + "players" + DIR_DELIM + (*it),
+ players_backup_path + DIR_DELIM + (*it));
+ }
+ }
+
+ actionstream << "Successfully migrated " << player_list.size() << " players"
+ << std::endl;
+ world_mt.set("player_backend", migrate_to);
+ if (!world_mt.updateConfigFile(world_mt_path.c_str()))
+ errorstream << "Failed to update world.mt!" << std::endl;
+ else
+ actionstream << "world.mt updated" << std::endl;
+
+ // When migration is finished from file backend, remove players directory if empty
+ if (backend == "files") {
+ fs::DeleteSingleFileOrEmptyDirectory(game_params.world_path + DIR_DELIM
+ + "players");
+ }
+
+ delete srcdb;
+ delete dstdb;
+
+ } catch (BaseException &e) {
+ errorstream << "An error occured during migration: " << e.what() << std::endl;
+ return false;
+ }
+ return true;
+}