minetest/src/main.cpp

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/*
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Minetest
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Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef _MSC_VER
#ifndef SERVER // Dedicated server isn't linked with Irrlicht
#pragma comment(lib, "Irrlicht.lib")
// This would get rid of the console window
//#pragma comment(linker, "/subsystem:windows /ENTRY:mainCRTStartup")
#endif
#pragma comment(lib, "zlibwapi.lib")
#pragma comment(lib, "Shell32.lib")
#endif
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#include "irrlicht.h" // createDevice
#include "mainmenumanager.h"
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#include "irrlichttypes_extrabloated.h"
#include "debug.h"
#include "unittest/test.h"
#include "server.h"
#include "filesys.h"
#include "version.h"
#include "guiMainMenu.h"
#include "game.h"
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#include "defaultsettings.h"
#include "gettext.h"
#include "log.h"
#include "quicktune.h"
#include "httpfetch.h"
#include "guiEngine.h"
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#include "map.h"
#include "mapsector.h"
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#include "fontengine.h"
#include "gameparams.h"
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#include "database.h"
#ifndef SERVER
#include "client/clientlauncher.h"
#endif
#ifdef HAVE_TOUCHSCREENGUI
#include "touchscreengui.h"
#endif
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#define DEBUGFILE "debug.txt"
#define DEFAULT_SERVER_PORT 30000
typedef std::map<std::string, ValueSpec> OptionList;
/**********************************************************************
* Private functions
**********************************************************************/
static bool get_cmdline_opts(int argc, char *argv[], Settings *cmd_args);
static void set_allowed_options(OptionList *allowed_options);
static void print_help(const OptionList &allowed_options);
static void print_allowed_options(const OptionList &allowed_options);
static void print_version();
static void print_worldspecs(const std::vector<WorldSpec> &worldspecs,
std::ostream &os);
static void print_modified_quicktune_values();
static void list_game_ids();
static void list_worlds();
static void setup_log_params(const Settings &cmd_args);
static bool create_userdata_path();
static bool init_common(int *log_level, const Settings &cmd_args, int argc, char *argv[]);
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static void startup_message();
static bool read_config_file(const Settings &cmd_args);
static void init_debug_streams(int *log_level, const Settings &cmd_args);
static bool game_configure(GameParams *game_params, const Settings &cmd_args);
static void game_configure_port(GameParams *game_params, const Settings &cmd_args);
static bool game_configure_world(GameParams *game_params, const Settings &cmd_args);
static bool get_world_from_cmdline(GameParams *game_params, const Settings &cmd_args);
static bool get_world_from_config(GameParams *game_params, const Settings &cmd_args);
static bool auto_select_world(GameParams *game_params);
static std::string get_clean_world_path(const std::string &path);
static bool game_configure_subgame(GameParams *game_params, const Settings &cmd_args);
static bool get_game_from_cmdline(GameParams *game_params, const Settings &cmd_args);
static bool determine_subgame(GameParams *game_params);
static bool run_dedicated_server(const GameParams &game_params, const Settings &cmd_args);
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static bool migrate_database(const GameParams &game_params, const Settings &cmd_args);
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/**********************************************************************/
/*
gettime.h implementation
*/
#ifdef SERVER
u32 getTimeMs()
{
/* Use imprecise system calls directly (from porting.h) */
return porting::getTime(PRECISION_MILLI);
}
u32 getTime(TimePrecision prec)
{
return porting::getTime(prec);
}
#endif
class StderrLogOutput: public ILogOutput
{
public:
/* line: Full line with timestamp, level and thread */
void printLog(const std::string &line)
{
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std::cerr << line << std::endl;
}
} main_stderr_log_out;
class DstreamNoStderrLogOutput: public ILogOutput
{
public:
/* line: Full line with timestamp, level and thread */
void printLog(const std::string &line)
{
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dstream_no_stderr << line << std::endl;
}
} main_dstream_no_stderr_log_out;
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static OptionList allowed_options;
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int main(int argc, char *argv[])
{
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int retval;
debug_set_exception_handler();
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log_add_output_maxlev(&main_stderr_log_out, LMT_ACTION);
log_add_output_all_levs(&main_dstream_no_stderr_log_out);
log_register_thread("Main");
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Settings cmd_args;
bool cmd_args_ok = get_cmdline_opts(argc, argv, &cmd_args);
if (!cmd_args_ok
|| cmd_args.getFlag("help")
|| cmd_args.exists("nonopt1")) {
print_help(allowed_options);
return cmd_args_ok ? 0 : 1;
}
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if (cmd_args.getFlag("version")) {
print_version();
return 0;
}
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setup_log_params(cmd_args);
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porting::signal_handler_init();
porting::initializePaths();
if (!create_userdata_path()) {
errorstream << "Cannot create user data directory" << std::endl;
return 1;
}
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// Initialize debug stacks
debug_stacks_init();
DSTACK(__FUNCTION_NAME);
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// Debug handler
BEGIN_DEBUG_EXCEPTION_HANDLER
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// List gameids if requested
if (cmd_args.exists("gameid") && cmd_args.get("gameid") == "list") {
list_game_ids();
return 0;
}
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// List worlds if requested
if (cmd_args.exists("world") && cmd_args.get("world") == "list") {
list_worlds();
return 0;
}
GameParams game_params;
if (!init_common(&game_params.log_level, cmd_args, argc, argv))
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return 1;
#ifndef __ANDROID__
// Run unit tests
if (cmd_args.getFlag("run-unittests")) {
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run_tests();
return 0;
}
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#endif
#ifdef SERVER
game_params.is_dedicated_server = true;
#else
game_params.is_dedicated_server = cmd_args.getFlag("server");
#endif
if (!game_configure(&game_params, cmd_args))
return 1;
sanity_check(game_params.world_path != "");
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infostream << "Using commanded world path ["
<< game_params.world_path << "]" << std::endl;
//Run dedicated server if asked to or no other option
g_settings->set("server_dedicated",
game_params.is_dedicated_server ? "true" : "false");
if (game_params.is_dedicated_server)
return run_dedicated_server(game_params, cmd_args) ? 0 : 1;
#ifndef SERVER
ClientLauncher launcher;
retval = launcher.run(game_params, cmd_args) ? 0 : 1;
#else
retval = 0;
#endif
// Update configuration file
if (g_settings_path != "")
g_settings->updateConfigFile(g_settings_path.c_str());
print_modified_quicktune_values();
// Stop httpfetch thread (if started)
httpfetch_cleanup();
END_DEBUG_EXCEPTION_HANDLER(errorstream)
return retval;
}
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/*****************************************************************************
* Startup / Init
*****************************************************************************/
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static bool get_cmdline_opts(int argc, char *argv[], Settings *cmd_args)
{
set_allowed_options(&allowed_options);
return cmd_args->parseCommandLine(argc, argv, allowed_options);
}
static void set_allowed_options(OptionList *allowed_options)
{
allowed_options->clear();
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allowed_options->insert(std::make_pair("help", ValueSpec(VALUETYPE_FLAG,
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_("Show allowed options"))));
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allowed_options->insert(std::make_pair("version", ValueSpec(VALUETYPE_FLAG,
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_("Show version information"))));
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allowed_options->insert(std::make_pair("config", ValueSpec(VALUETYPE_STRING,
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_("Load configuration from specified file"))));
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allowed_options->insert(std::make_pair("port", ValueSpec(VALUETYPE_STRING,
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_("Set network port (UDP)"))));
allowed_options->insert(std::make_pair("run-unittests", ValueSpec(VALUETYPE_FLAG,
_("Run the unit tests and exit"))));
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allowed_options->insert(std::make_pair("map-dir", ValueSpec(VALUETYPE_STRING,
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_("Same as --world (deprecated)"))));
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allowed_options->insert(std::make_pair("world", ValueSpec(VALUETYPE_STRING,
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_("Set world path (implies local game) ('list' lists all)"))));
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allowed_options->insert(std::make_pair("worldname", ValueSpec(VALUETYPE_STRING,
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_("Set world by name (implies local game)"))));
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allowed_options->insert(std::make_pair("quiet", ValueSpec(VALUETYPE_FLAG,
_("Print to console errors only"))));
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allowed_options->insert(std::make_pair("info", ValueSpec(VALUETYPE_FLAG,
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_("Print more information to console"))));
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allowed_options->insert(std::make_pair("verbose", ValueSpec(VALUETYPE_FLAG,
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_("Print even more information to console"))));
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allowed_options->insert(std::make_pair("trace", ValueSpec(VALUETYPE_FLAG,
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_("Print enormous amounts of information to log and console"))));
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allowed_options->insert(std::make_pair("logfile", ValueSpec(VALUETYPE_STRING,
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_("Set logfile path ('' = no logging)"))));
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allowed_options->insert(std::make_pair("gameid", ValueSpec(VALUETYPE_STRING,
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_("Set gameid (\"--gameid list\" prints available ones)"))));
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allowed_options->insert(std::make_pair("migrate", ValueSpec(VALUETYPE_STRING,
_("Migrate from current map backend to another (Only works when using minetestserver or with --server)"))));
#ifndef SERVER
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allowed_options->insert(std::make_pair("videomodes", ValueSpec(VALUETYPE_FLAG,
_("Show available video modes"))));
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allowed_options->insert(std::make_pair("speedtests", ValueSpec(VALUETYPE_FLAG,
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_("Run speed tests"))));
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allowed_options->insert(std::make_pair("address", ValueSpec(VALUETYPE_STRING,
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_("Address to connect to. ('' = local game)"))));
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allowed_options->insert(std::make_pair("random-input", ValueSpec(VALUETYPE_FLAG,
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_("Enable random user input, for testing"))));
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allowed_options->insert(std::make_pair("server", ValueSpec(VALUETYPE_FLAG,
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_("Run dedicated server"))));
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allowed_options->insert(std::make_pair("name", ValueSpec(VALUETYPE_STRING,
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_("Set player name"))));
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allowed_options->insert(std::make_pair("password", ValueSpec(VALUETYPE_STRING,
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_("Set password"))));
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allowed_options->insert(std::make_pair("go", ValueSpec(VALUETYPE_FLAG,
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_("Disable main menu"))));
#endif
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}
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static void print_help(const OptionList &allowed_options)
{
dstream << _("Allowed options:") << std::endl;
print_allowed_options(allowed_options);
}
static void print_allowed_options(const OptionList &allowed_options)
{
for (OptionList::const_iterator i = allowed_options.begin();
i != allowed_options.end(); ++i) {
std::ostringstream os1(std::ios::binary);
os1 << " --" << i->first;
if (i->second.type != VALUETYPE_FLAG)
os1 << _(" <value>");
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dstream << padStringRight(os1.str(), 24);
if (i->second.help != NULL)
dstream << i->second.help;
dstream << std::endl;
}
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}
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static void print_version()
{
dstream << PROJECT_NAME_C " " << g_version_hash << std::endl;
#ifndef SERVER
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dstream << "Using Irrlicht " << IRRLICHT_SDK_VERSION << std::endl;
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#endif
dstream << "Build info: " << g_build_info << std::endl;
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}
static void list_game_ids()
{
std::set<std::string> gameids = getAvailableGameIds();
for (std::set<std::string>::const_iterator i = gameids.begin();
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i != gameids.end(); ++i)
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dstream << (*i) <<std::endl;
}
static void list_worlds()
{
dstream << _("Available worlds:") << std::endl;
std::vector<WorldSpec> worldspecs = getAvailableWorlds();
print_worldspecs(worldspecs, dstream);
}
static void print_worldspecs(const std::vector<WorldSpec> &worldspecs,
std::ostream &os)
{
for (size_t i = 0; i < worldspecs.size(); i++) {
std::string name = worldspecs[i].name;
std::string path = worldspecs[i].path;
if (name.find(" ") != std::string::npos)
name = std::string("'") + name + "'";
path = std::string("'") + path + "'";
name = padStringRight(name, 14);
os << " " << name << " " << path << std::endl;
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}
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}
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static void print_modified_quicktune_values()
{
bool header_printed = false;
std::vector<std::string> names = getQuicktuneNames();
for (u32 i = 0; i < names.size(); i++) {
QuicktuneValue val = getQuicktuneValue(names[i]);
if (!val.modified)
continue;
if (!header_printed) {
dstream << "Modified quicktune values:" << std::endl;
header_printed = true;
}
dstream << names[i] << " = " << val.getString() << std::endl;
}
}
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static void setup_log_params(const Settings &cmd_args)
{
// Quiet mode, print errors only
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if (cmd_args.getFlag("quiet")) {
log_remove_output(&main_stderr_log_out);
log_add_output_maxlev(&main_stderr_log_out, LMT_ERROR);
}
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// If trace is enabled, enable logging of certain things
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if (cmd_args.getFlag("trace")) {
dstream << _("Enabling trace level debug output") << std::endl;
log_trace_level_enabled = true;
dout_con_ptr = &verbosestream; // this is somewhat old crap
socket_enable_debug_output = true; // socket doesn't use log.h
}
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// In certain cases, output info level on stderr
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if (cmd_args.getFlag("info") || cmd_args.getFlag("verbose") ||
cmd_args.getFlag("trace") || cmd_args.getFlag("speedtests"))
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log_add_output(&main_stderr_log_out, LMT_INFO);
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// In certain cases, output verbose level on stderr
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if (cmd_args.getFlag("verbose") || cmd_args.getFlag("trace"))
log_add_output(&main_stderr_log_out, LMT_VERBOSE);
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}
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static bool create_userdata_path()
{
bool success;
#ifdef __ANDROID__
porting::initAndroid();
porting::setExternalStorageDir(porting::jnienv);
if (!fs::PathExists(porting::path_user)) {
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success = fs::CreateDir(porting::path_user);
} else {
success = true;
}
porting::copyAssets();
#else
// Create user data directory
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success = fs::CreateDir(porting::path_user);
#endif
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infostream << "path_share = " << porting::path_share << std::endl;
infostream << "path_user = " << porting::path_user << std::endl;
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return success;
}
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static bool init_common(int *log_level, const Settings &cmd_args, int argc, char *argv[])
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{
startup_message();
set_default_settings(g_settings);
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// Initialize sockets
sockets_init();
atexit(sockets_cleanup);
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if (!read_config_file(cmd_args))
return false;
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init_debug_streams(log_level, cmd_args);
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// Initialize random seed
srand(time(0));
mysrand(time(0));
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// Initialize HTTP fetcher
httpfetch_init(g_settings->getS32("curl_parallel_limit"));
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#ifdef _MSC_VER
init_gettext((porting::path_share + DIR_DELIM + "locale").c_str(),
g_settings->get("language"), argc, argv);
#else
init_gettext((porting::path_share + DIR_DELIM + "locale").c_str(),
g_settings->get("language"));
#endif
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return true;
}
static void startup_message()
{
infostream << PROJECT_NAME << " " << _("with")
<< " SER_FMT_VER_HIGHEST_READ="
<< (int)SER_FMT_VER_HIGHEST_READ << ", "
<< g_build_info << std::endl;
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}
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static bool read_config_file(const Settings &cmd_args)
{
// Path of configuration file in use
sanity_check(g_settings_path == ""); // Sanity check
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if (cmd_args.exists("config")) {
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bool r = g_settings->readConfigFile(cmd_args.get("config").c_str());
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if (!r) {
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errorstream << "Could not read configuration from \""
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<< cmd_args.get("config") << "\"" << std::endl;
return false;
}
g_settings_path = cmd_args.get("config");
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} else {
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std::vector<std::string> filenames;
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filenames.push_back(porting::path_user + DIR_DELIM + "minetest.conf");
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// Legacy configuration file location
filenames.push_back(porting::path_user +
DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
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#if RUN_IN_PLACE
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// Try also from a lower level (to aid having the same configuration
// for many RUN_IN_PLACE installs)
filenames.push_back(porting::path_user +
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DIR_DELIM + ".." + DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
#endif
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for (size_t i = 0; i < filenames.size(); i++) {
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bool r = g_settings->readConfigFile(filenames[i].c_str());
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if (r) {
g_settings_path = filenames[i];
break;
}
}
// If no path found, use the first one (menu creates the file)
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if (g_settings_path == "")
g_settings_path = filenames[0];
}
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return true;
}
static void init_debug_streams(int *log_level, const Settings &cmd_args)
{
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#if RUN_IN_PLACE
std::string logfile = DEBUGFILE;
#else
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std::string logfile = porting::path_user + DIR_DELIM + DEBUGFILE;
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#endif
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if (cmd_args.exists("logfile"))
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logfile = cmd_args.get("logfile");
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log_remove_output(&main_dstream_no_stderr_log_out);
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*log_level = g_settings->getS32("debug_log_level");
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if (*log_level == 0) //no logging
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logfile = "";
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if (*log_level < 0) {
dstream << "WARNING: Supplied debug_log_level < 0; Using 0" << std::endl;
*log_level = 0;
} else if (*log_level > LMT_NUM_VALUES) {
dstream << "WARNING: Supplied debug_log_level > " << LMT_NUM_VALUES
<< "; Using " << LMT_NUM_VALUES << std::endl;
*log_level = LMT_NUM_VALUES;
}
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log_add_output_maxlev(&main_dstream_no_stderr_log_out,
(LogMessageLevel)(*log_level - 1));
debugstreams_init(false, logfile == "" ? NULL : logfile.c_str());
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infostream << "logfile = " << logfile << std::endl;
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atexit(debugstreams_deinit);
}
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static bool game_configure(GameParams *game_params, const Settings &cmd_args)
{
game_configure_port(game_params, cmd_args);
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if (!game_configure_world(game_params, cmd_args)) {
errorstream << "No world path specified or found." << std::endl;
return false;
}
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game_configure_subgame(game_params, cmd_args);
return true;
}
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static void game_configure_port(GameParams *game_params, const Settings &cmd_args)
{
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if (cmd_args.exists("port"))
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game_params->socket_port = cmd_args.getU16("port");
else
game_params->socket_port = g_settings->getU16("port");
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if (game_params->socket_port == 0)
game_params->socket_port = DEFAULT_SERVER_PORT;
}
static bool game_configure_world(GameParams *game_params, const Settings &cmd_args)
{
if (get_world_from_cmdline(game_params, cmd_args))
return true;
if (get_world_from_config(game_params, cmd_args))
return true;
return auto_select_world(game_params);
}
static bool get_world_from_cmdline(GameParams *game_params, const Settings &cmd_args)
{
std::string commanded_world = "";
// World name
std::string commanded_worldname = "";
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if (cmd_args.exists("worldname"))
commanded_worldname = cmd_args.get("worldname");
// If a world name was specified, convert it to a path
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if (commanded_worldname != "") {
// Get information about available worlds
std::vector<WorldSpec> worldspecs = getAvailableWorlds();
bool found = false;
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for (u32 i = 0; i < worldspecs.size(); i++) {
std::string name = worldspecs[i].name;
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if (name == commanded_worldname) {
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dstream << _("Using world specified by --worldname on the "
"command line") << std::endl;
commanded_world = worldspecs[i].path;
found = true;
break;
}
}
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if (!found) {
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dstream << _("World") << " '" << commanded_worldname
<< _("' not available. Available worlds:") << std::endl;
print_worldspecs(worldspecs, dstream);
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return false;
}
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game_params->world_path = get_clean_world_path(commanded_world);
return commanded_world != "";
}
if (cmd_args.exists("world"))
commanded_world = cmd_args.get("world");
else if (cmd_args.exists("map-dir"))
commanded_world = cmd_args.get("map-dir");
else if (cmd_args.exists("nonopt0")) // First nameless argument
commanded_world = cmd_args.get("nonopt0");
game_params->world_path = get_clean_world_path(commanded_world);
return commanded_world != "";
}
static bool get_world_from_config(GameParams *game_params, const Settings &cmd_args)
{
// World directory
std::string commanded_world = "";
if (g_settings->exists("map-dir"))
commanded_world = g_settings->get("map-dir");
game_params->world_path = get_clean_world_path(commanded_world);
return commanded_world != "";
}
static bool auto_select_world(GameParams *game_params)
{
// No world was specified; try to select it automatically
// Get information about available worlds
verbosestream << _("Determining world path") << std::endl;
std::vector<WorldSpec> worldspecs = getAvailableWorlds();
std::string world_path;
// If there is only a single world, use it
if (worldspecs.size() == 1) {
world_path = worldspecs[0].path;
dstream <<_("Automatically selecting world at") << " ["
<< world_path << "]" << std::endl;
// If there are multiple worlds, list them
} else if (worldspecs.size() > 1 && game_params->is_dedicated_server) {
dstream << _("Multiple worlds are available.") << std::endl;
dstream << _("Please select one using --worldname <name>"
" or --world <path>") << std::endl;
print_worldspecs(worldspecs, dstream);
return false;
// If there are no worlds, automatically create a new one
} else {
// This is the ultimate default world path
world_path = porting::path_user + DIR_DELIM + "worlds" +
DIR_DELIM + "world";
infostream << "Creating default world at ["
<< world_path << "]" << std::endl;
}
assert(world_path != ""); // Post-condition
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game_params->world_path = world_path;
return true;
}
static std::string get_clean_world_path(const std::string &path)
{
const std::string worldmt = "world.mt";
std::string clean_path;
if (path.size() > worldmt.size()
&& path.substr(path.size() - worldmt.size()) == worldmt) {
dstream << _("Supplied world.mt file - stripping it off.") << std::endl;
clean_path = path.substr(0, path.size() - worldmt.size());
} else {
clean_path = path;
}
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return path;
}
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static bool game_configure_subgame(GameParams *game_params, const Settings &cmd_args)
{
bool success;
success = get_game_from_cmdline(game_params, cmd_args);
if (!success)
success = determine_subgame(game_params);
return success;
}
static bool get_game_from_cmdline(GameParams *game_params, const Settings &cmd_args)
{
SubgameSpec commanded_gamespec;
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if (cmd_args.exists("gameid")) {
std::string gameid = cmd_args.get("gameid");
commanded_gamespec = findSubgame(gameid);
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if (!commanded_gamespec.isValid()) {
errorstream << "Game \"" << gameid << "\" not found" << std::endl;
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return false;
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}
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dstream << _("Using game specified by --gameid on the command line")
<< std::endl;
game_params->game_spec = commanded_gamespec;
return true;
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}
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return false;
}
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static bool determine_subgame(GameParams *game_params)
{
SubgameSpec gamespec;
assert(game_params->world_path != ""); // Pre-condition
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verbosestream << _("Determining gameid/gamespec") << std::endl;
// If world doesn't exist
if (game_params->world_path != ""
&& !getWorldExists(game_params->world_path)) {
// Try to take gamespec from command line
if (game_params->game_spec.isValid()) {
gamespec = game_params->game_spec;
infostream << "Using commanded gameid [" << gamespec.id << "]" << std::endl;
} else { // Otherwise we will be using "minetest"
gamespec = findSubgame(g_settings->get("default_game"));
infostream << "Using default gameid [" << gamespec.id << "]" << std::endl;
if (!gamespec.isValid()) {
errorstream << "Subgame specified in default_game ["
<< g_settings->get("default_game")
<< "] is invalid." << std::endl;
return false;
}
}
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} else { // World exists
std::string world_gameid = getWorldGameId(game_params->world_path, false);
// If commanded to use a gameid, do so
if (game_params->game_spec.isValid()) {
gamespec = game_params->game_spec;
if (game_params->game_spec.id != world_gameid) {
errorstream << "WARNING: Using commanded gameid ["
<< gamespec.id << "]" << " instead of world gameid ["
<< world_gameid << "]" << std::endl;
}
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} else {
// If world contains an embedded game, use it;
// Otherwise find world from local system.
gamespec = findWorldSubgame(game_params->world_path);
infostream << "Using world gameid [" << gamespec.id << "]" << std::endl;
}
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}
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if (!gamespec.isValid()) {
errorstream << "Subgame [" << gamespec.id << "] could not be found."
<< std::endl;
return false;
}
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game_params->game_spec = gamespec;
return true;
}
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/*****************************************************************************
* Dedicated server
*****************************************************************************/
static bool run_dedicated_server(const GameParams &game_params, const Settings &cmd_args)
{
DSTACK("Dedicated server branch");
verbosestream << _("Using world path") << " ["
<< game_params.world_path << "]" << std::endl;
verbosestream << _("Using gameid") << " ["
<< game_params.game_spec.id << "]" << std::endl;
// Bind address
std::string bind_str = g_settings->get("bind_address");
Address bind_addr(0, 0, 0, 0, game_params.socket_port);
if (g_settings->getBool("ipv6_server")) {
bind_addr.setAddress((IPv6AddressBytes*) NULL);
}
try {
bind_addr.Resolve(bind_str.c_str());
} catch (ResolveError &e) {
infostream << "Resolving bind address \"" << bind_str
<< "\" failed: " << e.what()
<< " -- Listening on all addresses." << std::endl;
}
if (bind_addr.isIPv6() && !g_settings->getBool("enable_ipv6")) {
errorstream << "Unable to listen on "
<< bind_addr.serializeString()
<< L" because IPv6 is disabled" << std::endl;
return false;
}
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// Database migration
if (cmd_args.exists("migrate"))
return migrate_database(game_params, cmd_args);
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// Create server
Server server(game_params.world_path,
game_params.game_spec, false, bind_addr.isIPv6());
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server.start(bind_addr);
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// Run server
bool &kill = *porting::signal_handler_killstatus();
dedicated_server_loop(server, kill);
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return true;
}
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static bool migrate_database(const GameParams &game_params, const Settings &cmd_args)
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{
std::string migrate_to = cmd_args.get("migrate");
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Settings world_mt;
std::string world_mt_path = game_params.world_path + DIR_DELIM + "world.mt";
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if (!world_mt.readConfigFile(world_mt_path.c_str())) {
errorstream << "Cannot read world.mt!" << std::endl;
return false;
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}
if (!world_mt.exists("backend")) {
errorstream << "Please specify your current backend in world.mt:"
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<< std::endl
<< " backend = {sqlite3|leveldb|redis|dummy}"
<< std::endl;
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return false;
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}
std::string backend = world_mt.get("backend");
if (backend == migrate_to) {
errorstream << "Cannot migrate: new backend is same"
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<< " as the old one" << std::endl;
return false;
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}
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Database *old_db = ServerMap::createDatabase(backend, game_params.world_path, world_mt),
*new_db = ServerMap::createDatabase(migrate_to, game_params.world_path, world_mt);
u32 count = 0;
time_t last_update_time = 0;
bool &kill = *porting::signal_handler_killstatus();
std::vector<v3s16> blocks;
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old_db->listAllLoadableBlocks(blocks);
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new_db->beginSave();
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for (std::vector<v3s16>::const_iterator it = blocks.begin(); it != blocks.end(); ++it) {
if (kill) return false;
const std::string &data = old_db->loadBlock(*it);
if (!data.empty()) {
new_db->saveBlock(*it, data);
} else {
errorstream << "Failed to load block " << PP(*it) << ", skipping it." << std::endl;
}
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if (++count % 0xFF == 0 && time(NULL) - last_update_time >= 1) {
std::cerr << " Migrated " << count << " blocks, "
<< (100.0 * count / blocks.size()) << "% completed.\r";
new_db->endSave();
new_db->beginSave();
last_update_time = time(NULL);
}
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}
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std::cerr << std::endl;
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new_db->endSave();
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delete old_db;
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delete new_db;
actionstream << "Successfully migrated " << count << " blocks" << std::endl;
world_mt.set("backend", migrate_to);
if (!world_mt.updateConfigFile(world_mt_path.c_str()))
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errorstream << "Failed to update world.mt!" << std::endl;
else
actionstream << "world.mt updated" << std::endl;
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return true;
}
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