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minetest/src/main.cpp
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/*
Minetest
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.
*/
#include "irrlichttypes.h" // must be included before anything irrlicht, see comment in the file
#include "irrlicht.h" // createDevice
#include "irrlichttypes_extrabloated.h"
#include "irrlicht_changes/printing.h"
#include "benchmark/benchmark.h"
#include "chat_interface.h"
#include "debug.h"
#include "unittest/test.h"
#include "server.h"
#include "filesys.h"
#include "version.h"
#include "client/game.h"
#include "defaultsettings.h"
#include "gettext.h"
#include "log.h"
#include "util/quicktune.h"
#include "httpfetch.h"
#include "gameparams.h"
#include "database/database.h"
#include "config.h"
#include "player.h"
#include "porting.h"
#include "network/socket.h"
#include "mapblock.h"
#if USE_CURSES
#include "terminal_chat_console.h"
#endif
#ifndef SERVER
#include "gui/guiMainMenu.h"
#include "client/clientlauncher.h"
#include "gui/guiEngine.h"
#include "gui/mainmenumanager.h"
#endif
#ifdef HAVE_TOUCHSCREENGUI
#include "gui/touchscreengui.h"
#endif
// for version information only
extern "C" {
#if USE_LUAJIT
#include <luajit.h>
#else
#include <lua.h>
#endif
}
#if !defined(__cpp_rtti) || !defined(__cpp_exceptions)
#error Minetest cannot be built without exceptions or RTTI
#endif
#if defined(__MINGW32__) && !defined(__MINGW64__) && !defined(__clang__) && \
(__GNUC__ < 11 || (__GNUC__ == 11 && __GNUC_MINOR__ < 1))
// see e.g. https://github.com/minetest/minetest/issues/10137
#warning ==================================
#warning 32-bit MinGW gcc before 11.1 has known issues with crashes on thread exit, you should upgrade.
#warning ==================================
#endif
#define DEBUGFILE "debug.txt"
#define DEFAULT_SERVER_PORT 30000
#define ENV_NO_COLOR "NO_COLOR"
#define ENV_CLICOLOR "CLICOLOR"
#define ENV_CLICOLOR_FORCE "CLICOLOR_FORCE"
typedef std::map<std::string, ValueSpec> OptionList;
/**********************************************************************
* Private functions
**********************************************************************/
static void get_env_opts(Settings &args);
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, bool print_name = true, bool print_path = true);
static void print_modified_quicktune_values();
static void list_game_ids();
static void list_worlds(bool print_name, bool print_path);
static bool setup_log_params(const Settings &cmd_args);
static bool create_userdata_path();
static bool use_debugger(int argc, char *argv[]);
static bool init_common(const Settings &cmd_args, int argc, char *argv[]);
static void uninit_common();
static void startup_message();
static bool read_config_file(const Settings &cmd_args);
static void init_log_streams(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);
static bool migrate_map_database(const GameParams &game_params, const Settings &cmd_args);
static bool recompress_map_database(const GameParams &game_params, const Settings &cmd_args, const Address &addr);
/**********************************************************************/
FileLogOutput file_log_output;
static OptionList allowed_options;
int main(int argc, char *argv[])
{
int retval;
debug_set_exception_handler();
g_logger.registerThread("Main");
g_logger.addOutputMaxLevel(&stderr_output, LL_ACTION);
Settings cmd_args;
get_env_opts(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")) {
porting::attachOrCreateConsole();
print_help(allowed_options);
return cmd_args_ok ? 0 : 1;
}
if (cmd_args.getFlag("console"))
porting::attachOrCreateConsole();
if (cmd_args.getFlag("version")) {
porting::attachOrCreateConsole();
print_version();
return 0;
}
if (!setup_log_params(cmd_args))
return 1;
if (cmd_args.getFlag("debugger")) {
if (!use_debugger(argc, argv))
warningstream << "Continuing without debugger" << std::endl;
}
porting::signal_handler_init();
#ifdef __ANDROID__
porting::initAndroid();
porting::initializePathsAndroid();
#else
porting::initializePaths();
#endif
if (!create_userdata_path()) {
errorstream << "Cannot create user data directory" << std::endl;
return 1;
}
// Debug handler
BEGIN_DEBUG_EXCEPTION_HANDLER
// List gameids if requested
if (cmd_args.exists("gameid") && cmd_args.get("gameid") == "list") {
list_game_ids();
return 0;
}
// List worlds, world names, and world paths if requested
if (cmd_args.exists("worldlist")) {
if (cmd_args.get("worldlist") == "name") {
list_worlds(true, false);
} else if (cmd_args.get("worldlist") == "path") {
list_worlds(false, true);
} else if (cmd_args.get("worldlist") == "both") {
list_worlds(true, true);
} else {
errorstream << "Invalid --worldlist value: "
<< cmd_args.get("worldlist") << std::endl;
return 1;
}
return 0;
}
if (!init_common(cmd_args, argc, argv))
return 1;
if (g_settings->getBool("enable_console"))
porting::attachOrCreateConsole();
#ifndef __ANDROID__
// Run unit tests
if (cmd_args.getFlag("run-unittests")) {
#if BUILD_UNITTESTS
if (cmd_args.exists("test-module"))
return run_tests(cmd_args.get("test-module")) ? 0 : 1;
else
return run_tests() ? 0 : 1;
#else
errorstream << "Unittest support is not enabled in this binary. "
<< "If you want to enable it, compile project with BUILD_UNITTESTS=1 flag."
<< std::endl;
return 1;
#endif
}
// Run benchmarks
if (cmd_args.getFlag("run-benchmarks")) {
#if BUILD_BENCHMARKS
return run_benchmarks();
#else
errorstream << "Benchmark support is not enabled in this binary. "
<< "If you want to enable it, compile project with BUILD_BENCHMARKS=1 flag."
<< std::endl;
return 1;
#endif
}
#endif // __ANDROID__
GameStartData game_params;
#ifdef SERVER
porting::attachOrCreateConsole();
game_params.is_dedicated_server = true;
#else
const bool isServer = cmd_args.getFlag("server");
if (isServer)
porting::attachOrCreateConsole();
game_params.is_dedicated_server = isServer;
#endif
if (!game_configure(&game_params, cmd_args))
return 1;
sanity_check(!game_params.world_path.empty());
if (game_params.is_dedicated_server)
return run_dedicated_server(game_params, cmd_args) ? 0 : 1;
#ifndef SERVER
retval = ClientLauncher().run(game_params, cmd_args) ? 0 : 1;
#else
retval = 0;
#endif
// Update configuration file
if (!g_settings_path.empty())
g_settings->updateConfigFile(g_settings_path.c_str());
print_modified_quicktune_values();
END_DEBUG_EXCEPTION_HANDLER
return retval;
}
/*****************************************************************************
* Startup / Init
*****************************************************************************/
static void get_env_opts(Settings &args)
{
// CLICOLOR is a de-facto standard option for colors <https://bixense.com/clicolors/>
// CLICOLOR != 0: ANSI colors are supported (auto-detection, this is the default)
// CLICOLOR == 0: ANSI colors are NOT supported
const char *clicolor = std::getenv(ENV_CLICOLOR);
if (clicolor && std::string(clicolor) == "0") {
args.set("color", "never");
}
// NO_COLOR only specifies that no color is allowed.
// Implemented according to <http://no-color.org/>
const char *no_color = std::getenv(ENV_NO_COLOR);
if (no_color && no_color[0]) {
args.set("color", "never");
}
// CLICOLOR_FORCE is another option, which should turn on colors "no matter what".
const char *clicolor_force = std::getenv(ENV_CLICOLOR_FORCE);
if (clicolor_force && std::string(clicolor_force) != "0") {
// should ALWAYS have colors, so we ignore tty (no "auto")
args.set("color", "always");
}
}
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();
allowed_options->insert(std::make_pair("help", ValueSpec(VALUETYPE_FLAG,
_("Show allowed options"))));
allowed_options->insert(std::make_pair("version", ValueSpec(VALUETYPE_FLAG,
_("Show version information"))));
allowed_options->insert(std::make_pair("config", ValueSpec(VALUETYPE_STRING,
_("Load configuration from specified file"))));
allowed_options->insert(std::make_pair("port", ValueSpec(VALUETYPE_STRING,
_("Set network port (UDP)"))));
allowed_options->insert(std::make_pair("run-unittests", ValueSpec(VALUETYPE_FLAG,
_("Run the unit tests and exit"))));
allowed_options->insert(std::make_pair("run-benchmarks", ValueSpec(VALUETYPE_FLAG,
_("Run the benchmarks and exit"))));
allowed_options->insert(std::make_pair("test-module", ValueSpec(VALUETYPE_STRING,
_("Only run the specified test module"))));
allowed_options->insert(std::make_pair("map-dir", ValueSpec(VALUETYPE_STRING,
_("Same as --world (deprecated)"))));
allowed_options->insert(std::make_pair("world", ValueSpec(VALUETYPE_STRING,
_("Set world path (implies local game if used with option --go)"))));
allowed_options->insert(std::make_pair("worldname", ValueSpec(VALUETYPE_STRING,
_("Set world by name (implies local game if used with option --go)"))));
allowed_options->insert(std::make_pair("worldlist", ValueSpec(VALUETYPE_STRING,
_("Get list of worlds ('path' lists paths, "
"'name' lists names, 'both' lists both)"))));
allowed_options->insert(std::make_pair("quiet", ValueSpec(VALUETYPE_FLAG,
_("Print to console errors only"))));
allowed_options->insert(std::make_pair("color", ValueSpec(VALUETYPE_STRING,
_("Coloured logs ('always', 'never' or 'auto'), defaults to 'auto'"
))));
allowed_options->insert(std::make_pair("info", ValueSpec(VALUETYPE_FLAG,
_("Print more information to console"))));
allowed_options->insert(std::make_pair("verbose", ValueSpec(VALUETYPE_FLAG,
_("Print even more information to console"))));
allowed_options->insert(std::make_pair("trace", ValueSpec(VALUETYPE_FLAG,
_("Print enormous amounts of information to log and console"))));
allowed_options->insert(std::make_pair("debugger", ValueSpec(VALUETYPE_FLAG,
_("Try to automatically attach a debugger before starting (convenience option)"))));
allowed_options->insert(std::make_pair("logfile", ValueSpec(VALUETYPE_STRING,
_("Set logfile path ('' = no logging)"))));
allowed_options->insert(std::make_pair("gameid", ValueSpec(VALUETYPE_STRING,
_("Set gameid (\"--gameid list\" prints available ones)"))));
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)"))));
allowed_options->insert(std::make_pair("migrate-players", ValueSpec(VALUETYPE_STRING,
_("Migrate from current players backend to another (Only works when using minetestserver or with --server)"))));
allowed_options->insert(std::make_pair("migrate-auth", ValueSpec(VALUETYPE_STRING,
_("Migrate from current auth backend to another (Only works when using minetestserver or with --server)"))));
allowed_options->insert(std::make_pair("migrate-mod-storage", ValueSpec(VALUETYPE_STRING,
_("Migrate from current mod storage backend to another (Only works when using minetestserver or with --server)"))));
allowed_options->insert(std::make_pair("terminal", ValueSpec(VALUETYPE_FLAG,
_("Feature an interactive terminal (Only works when using minetestserver or with --server)"))));
allowed_options->insert(std::make_pair("recompress", ValueSpec(VALUETYPE_FLAG,
_("Recompress the blocks of the given map database."))));
#ifndef SERVER
allowed_options->insert(std::make_pair("speedtests", ValueSpec(VALUETYPE_FLAG,
_("Run speed tests"))));
allowed_options->insert(std::make_pair("address", ValueSpec(VALUETYPE_STRING,
_("Address to connect to. ('' = local game)"))));
allowed_options->insert(std::make_pair("random-input", ValueSpec(VALUETYPE_FLAG,
_("Enable random user input, for testing"))));
allowed_options->insert(std::make_pair("server", ValueSpec(VALUETYPE_FLAG,
_("Run dedicated server"))));
allowed_options->insert(std::make_pair("name", ValueSpec(VALUETYPE_STRING,
_("Set player name"))));
allowed_options->insert(std::make_pair("password", ValueSpec(VALUETYPE_STRING,
_("Set password"))));
allowed_options->insert(std::make_pair("password-file", ValueSpec(VALUETYPE_STRING,
_("Set password from contents of file"))));
allowed_options->insert(std::make_pair("go", ValueSpec(VALUETYPE_FLAG,
_("Disable main menu"))));
allowed_options->insert(std::make_pair("console", ValueSpec(VALUETYPE_FLAG,
_("Starts with the console (Windows only)"))));
#endif
}
static void print_help(const OptionList &allowed_options)
{
std::cout << _("Allowed options:") << std::endl;
print_allowed_options(allowed_options);
}
static void print_allowed_options(const OptionList &allowed_options)
{
for (const auto &allowed_option : allowed_options) {
std::string opt = " --" + allowed_option.first;
if (allowed_option.second.type != VALUETYPE_FLAG)
opt += _(" <value>");
std::string opt_padded = padStringRight(opt, 30);
std::cout << opt_padded;
if (opt == opt_padded) // Line is too long to pad
std::cout << std::endl << padStringRight("", 30);
if (allowed_option.second.help)
std::cout << allowed_option.second.help;
std::cout << std::endl;
}
}
static void print_version()
{
std::cout << PROJECT_NAME_C " " << g_version_hash
<< " (" << porting::getPlatformName() << ")" << std::endl;
#ifndef SERVER
std::cout << "Using Irrlicht " IRRLICHT_SDK_VERSION << std::endl;
#endif
#if USE_LUAJIT
std::cout << "Using " << LUAJIT_VERSION << std::endl;
#else
std::cout << "Using " << LUA_RELEASE << std::endl;
#endif
std::cout << g_build_info << std::endl;
}
static void list_game_ids()
{
std::set<std::string> gameids = getAvailableGameIds();
for (const std::string &gameid : gameids)
std::cout << gameid <<std::endl;
}
static void list_worlds(bool print_name, bool print_path)
{
std::cout << _("Available worlds:") << std::endl;
std::vector<WorldSpec> worldspecs = getAvailableWorlds();
print_worldspecs(worldspecs, std::cout, print_name, print_path);
}
static void print_worldspecs(const std::vector<WorldSpec> &worldspecs,
std::ostream &os, bool print_name, bool print_path)
{
for (const WorldSpec &worldspec : worldspecs) {
std::string name = worldspec.name;
std::string path = worldspec.path;
if (print_name && print_path) {
os << "\t" << name << "\t\t" << path << std::endl;
} else if (print_name) {
os << "\t" << name << std::endl;
} else if (print_path) {
os << "\t" << path << std::endl;
}
}
}
static void print_modified_quicktune_values()
{
bool header_printed = false;
std::vector<std::string> names = getQuicktuneNames();
for (const std::string &name : names) {
QuicktuneValue val = getQuicktuneValue(name);
if (!val.modified)
continue;
if (!header_printed) {
dstream << "Modified quicktune values:" << std::endl;
header_printed = true;
}
dstream << name << " = " << val.getString() << std::endl;
}
}
static bool setup_log_params(const Settings &cmd_args)
{
// Quiet mode, print errors only
if (cmd_args.getFlag("quiet")) {
g_logger.removeOutput(&stderr_output);
g_logger.addOutputMaxLevel(&stderr_output, LL_ERROR);
}
// Coloured log messages (see log.h)
std::string color_mode;
if (cmd_args.exists("color")) {
color_mode = cmd_args.get("color");
#if !defined(_WIN32)
} else {
char *color_mode_env = getenv("MT_LOGCOLOR");
if (color_mode_env)
color_mode = color_mode_env;
#endif
}
if (!color_mode.empty()) {
if (color_mode == "auto") {
Logger::color_mode = LOG_COLOR_AUTO;
} else if (color_mode == "always") {
Logger::color_mode = LOG_COLOR_ALWAYS;
} else if (color_mode == "never") {
Logger::color_mode = LOG_COLOR_NEVER;
} else {
errorstream << "Invalid color mode: " << color_mode << std::endl;
return false;
}
}
// In certain cases, output info level on stderr
if (cmd_args.getFlag("info") || cmd_args.getFlag("verbose") ||
cmd_args.getFlag("trace") || cmd_args.getFlag("speedtests"))
g_logger.addOutput(&stderr_output, LL_INFO);
// In certain cases, output verbose level on stderr
if (cmd_args.getFlag("verbose") || cmd_args.getFlag("trace"))
g_logger.addOutput(&stderr_output, LL_VERBOSE);
if (cmd_args.getFlag("trace")) {
dstream << _("Enabling trace level debug output") << std::endl;
g_logger.addOutput(&stderr_output, LL_TRACE);
socket_enable_debug_output = true;
}
return true;
}
static bool create_userdata_path()
{
bool success;
#ifdef __ANDROID__
if (!fs::PathExists(porting::path_user)) {
success = fs::CreateDir(porting::path_user);
} else {
success = true;
}
#else
// Create user data directory
success = fs::CreateAllDirs(porting::path_user);
#endif
return success;
}
namespace {
std::string findProgram(const char *name)
{
char *path_c = getenv("PATH");
if (!path_c)
return "";
std::istringstream iss(path_c);
std::string checkpath;
while (!iss.eof()) {
std::getline(iss, checkpath, PATH_DELIM[0]);
if (!checkpath.empty() && checkpath.back() != DIR_DELIM_CHAR)
checkpath.push_back(DIR_DELIM_CHAR);
checkpath.append(name);
if (fs::IsExecutable(checkpath))
return checkpath;
}
return "";
}
#ifdef _WIN32
const char *debuggerNames[] = {"gdb.exe", "lldb.exe"};
#else
const char *debuggerNames[] = {"gdb", "lldb"};
#endif
template <class T>
void getDebuggerArgs(T &out, int i) {
if (i == 0) {
for (auto s : {"-q", "--batch", "-iex", "set confirm off",
"-ex", "run", "-ex", "bt", "--args"})
out.push_back(s);
} else if (i == 1) {
for (auto s : {"-Q", "-b", "-o", "run", "-k", "bt\nq", "--"})
out.push_back(s);
}
}
}
static bool use_debugger(int argc, char *argv[])
{
#if defined(__ANDROID__)
return false;
#else
#ifdef _WIN32
if (IsDebuggerPresent()) {
warningstream << "Process is already being debugged." << std::endl;
return false;
}
#endif
char exec_path[1024];
if (!porting::getCurrentExecPath(exec_path, sizeof(exec_path)))
return false;
int debugger = -1;
std::string debugger_path;
for (u32 i = 0; i < ARRLEN(debuggerNames); i++) {
debugger_path = findProgram(debuggerNames[i]);
if (!debugger_path.empty()) {
debugger = i;
break;
}
}
if (debugger == -1) {
warningstream << "Couldn't find a debugger to use. Try installing gdb or lldb." << std::endl;
return false;
}
// Try to be helpful
#ifdef NDEBUG
if (strcmp(BUILD_TYPE, "RelWithDebInfo") != 0) {
warningstream << "It looks like your " PROJECT_NAME_C " executable was built without "
"debug symbols (BUILD_TYPE=" BUILD_TYPE "), so you won't get useful backtraces."
<< std::endl;
}
#endif
std::vector<const char*> new_args;
new_args.push_back(debugger_path.c_str());
getDebuggerArgs(new_args, debugger);
// Copy the existing arguments
new_args.push_back(exec_path);
for (int i = 1; i < argc; i++) {
if (!strcmp(argv[i], "--debugger"))
continue;
new_args.push_back(argv[i]);
}
new_args.push_back(nullptr);
#ifdef _WIN32
// Special treatment for Windows
std::string cmdline;
for (int i = 1; new_args[i]; i++) {
if (i > 1)
cmdline += ' ';
cmdline += porting::QuoteArgv(new_args[i]);
}
STARTUPINFO startup_info = {};
PROCESS_INFORMATION process_info = {};
bool ok = CreateProcess(new_args[0], cmdline.empty() ? nullptr : &cmdline[0],
nullptr, nullptr, false, CREATE_UNICODE_ENVIRONMENT,
nullptr, nullptr, &startup_info, &process_info);
if (!ok) {
warningstream << "CreateProcess: " << GetLastError() << std::endl;
return false;
}
DWORD exitcode = 0;
WaitForSingleObject(process_info.hProcess, INFINITE);
GetExitCodeProcess(process_info.hProcess, &exitcode);
exit(exitcode);
// not reached
#else
errno = 0;
execv(new_args[0], const_cast<char**>(new_args.data()));
warningstream << "execv: " << strerror(errno) << std::endl;
return false;
#endif
#endif
}
static bool init_common(const Settings &cmd_args, int argc, char *argv[])
{
startup_message();
set_default_settings();
sockets_init();
// Initialize g_settings
Settings::createLayer(SL_GLOBAL);
// Set cleanup callback(s) to run at process exit
atexit(uninit_common);
if (!read_config_file(cmd_args))
return false;
init_log_streams(cmd_args);
// Initialize random seed
srand(time(0));
mysrand(time(0));
// Initialize HTTP fetcher
httpfetch_init(g_settings->getS32("curl_parallel_limit"));
init_gettext(porting::path_locale.c_str(),
g_settings->get("language"), argc, argv);
return true;
}
static void uninit_common()
{
httpfetch_cleanup();
sockets_cleanup();
// It'd actually be okay to leak these but we want to please valgrind...
for (int i = 0; i < (int)SL_TOTAL_COUNT; i++)
delete Settings::getLayer((SettingsLayer)i);
}
static void startup_message()
{
infostream << PROJECT_NAME << " " << _("with")
<< " SER_FMT_VER_HIGHEST_READ="
<< (int)SER_FMT_VER_HIGHEST_READ << ", "
<< g_build_info << std::endl;
}
static bool read_config_file(const Settings &cmd_args)
{
// Path of configuration file in use
sanity_check(g_settings_path.empty()); // Sanity check
if (cmd_args.exists("config")) {
bool r = g_settings->readConfigFile(cmd_args.get("config").c_str());
if (!r) {
errorstream << "Could not read configuration from \""
<< cmd_args.get("config") << "\"" << std::endl;
return false;
}
g_settings_path = cmd_args.get("config");
} else {
std::vector<std::string> filenames;
filenames.push_back(porting::path_user + DIR_DELIM + "minetest.conf");
// Legacy configuration file location
filenames.push_back(porting::path_user +
DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
#if RUN_IN_PLACE
// Try also from a lower level (to aid having the same configuration
// for many RUN_IN_PLACE installs)
filenames.push_back(porting::path_user +
DIR_DELIM + ".." + DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
#endif
for (const std::string &filename : filenames) {
bool r = g_settings->readConfigFile(filename.c_str());
if (r) {
g_settings_path = filename;
break;
}
}
// If no path found, use the first one (menu creates the file)
if (g_settings_path.empty())
g_settings_path = filenames[0];
}
return true;
}
static void init_log_streams(const Settings &cmd_args)
{
std::string log_filename = porting::path_user + DIR_DELIM + DEBUGFILE;
if (cmd_args.exists("logfile"))
log_filename = cmd_args.get("logfile");
g_logger.removeOutput(&file_log_output);
std::string conf_loglev = g_settings->get("debug_log_level");
// Old integer format
if (std::isdigit(conf_loglev[0])) {
warningstream << "Deprecated use of debug_log_level with an "
"integer value; please update your configuration." << std::endl;
static const char *lev_name[] =
{"", "error", "action", "info", "verbose", "trace"};
int lev_i = atoi(conf_loglev.c_str());
if (lev_i < 0 || lev_i >= (int)ARRLEN(lev_name)) {
warningstream << "Supplied invalid debug_log_level!"
" Assuming action level." << std::endl;
lev_i = 2;
}
conf_loglev = lev_name[lev_i];
}
if (log_filename.empty() || conf_loglev.empty()) // No logging
return;
LogLevel log_level = Logger::stringToLevel(conf_loglev);
if (log_level == LL_MAX) {
warningstream << "Supplied unrecognized debug_log_level; "
"using maximum." << std::endl;
}
file_log_output.setFile(log_filename,
g_settings->getU64("debug_log_size_max") * 1000000);
g_logger.addOutputMaxLevel(&file_log_output, log_level);
}
static bool game_configure(GameParams *game_params, const Settings &cmd_args)
{
game_configure_port(game_params, cmd_args);
if (!game_configure_world(game_params, cmd_args)) {
errorstream << "No world path specified or found." << std::endl;
return false;
}
game_configure_subgame(game_params, cmd_args);
return true;
}
static void game_configure_port(GameParams *game_params, const Settings &cmd_args)
{
if (cmd_args.exists("port")) {
game_params->socket_port = cmd_args.getU16("port");
} else {
if (game_params->is_dedicated_server)
game_params->socket_port = g_settings->getU16("port");
else
game_params->socket_port = g_settings->getU16("remote_port");
}
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;
if (cmd_args.exists("worldname"))
commanded_worldname = cmd_args.get("worldname");
// If a world name was specified, convert it to a path
if (!commanded_worldname.empty()) {
// Get information about available worlds
std::vector<WorldSpec> worldspecs = getAvailableWorlds();
bool found = false;
for (const WorldSpec &worldspec : worldspecs) {
std::string name = worldspec.name;
if (name == commanded_worldname) {
dstream << _("Using world specified by --worldname on the "
"command line") << std::endl;
commanded_world = worldspec.path;
found = true;
break;
}
}
if (!found) {
dstream << _("World") << " '" << commanded_worldname
<< _("' not available. Available worlds:") << std::endl;
print_worldspecs(worldspecs, dstream);
return false;
}
game_params->world_path = get_clean_world_path(commanded_world);
return !commanded_world.empty();
}
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.empty();
}
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.empty();
}
static bool auto_select_world(GameParams *game_params)
{
// No world was specified; try to select it automatically
// Get information about available worlds
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) {
std::cerr << _("Multiple worlds are available.") << std::endl;
std::cerr << _("Please select one using --worldname <name>"
" or --world <path>") << std::endl;
print_worldspecs(worldspecs, std::cerr);
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 << "Using default world at ["
<< world_path << "]" << std::endl;
}
assert(!world_path.empty()); // Post-condition
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;
}
return path;
}
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;
if (cmd_args.exists("gameid")) {
std::string gameid = cmd_args.get("gameid");
commanded_gamespec = findSubgame(gameid);
if (!commanded_gamespec.isValid()) {
errorstream << "Game \"" << gameid << "\" not found" << std::endl;
return false;
}
dstream << _("Using game specified by --gameid on the command line")
<< std::endl;
game_params->game_spec = commanded_gamespec;
return true;
}
return false;
}
static bool determine_subgame(GameParams *game_params)
{
SubgameSpec gamespec;
assert(!game_params->world_path.empty()); // Pre-condition
// If world doesn't exist
if (!game_params->world_path.empty()
&& !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 << "Game specified in default_game ["
<< g_settings->get("default_game")
<< "] is invalid." << std::endl;
return false;
}
}
} 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) {
warningstream << "Using commanded gameid ["
<< gamespec.id << "]" << " instead of world gameid ["
<< world_gameid << "]" << std::endl;
}
} 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;
}
}
if (!gamespec.isValid()) {
errorstream << "Game [" << gamespec.id << "] could not be found."
<< std::endl;
return false;
}
game_params->game_spec = gamespec;
return true;
}
/*****************************************************************************
* Dedicated server
*****************************************************************************/
static bool run_dedicated_server(const GameParams &game_params, const Settings &cmd_args)
{
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;
}
// Database migration/compression
if (cmd_args.exists("migrate"))
return migrate_map_database(game_params, cmd_args);
if (cmd_args.exists("migrate-players"))
return ServerEnvironment::migratePlayersDatabase(game_params, cmd_args);
if (cmd_args.exists("migrate-auth"))
return ServerEnvironment::migrateAuthDatabase(game_params, cmd_args);
if (cmd_args.exists("migrate-mod-storage"))
return Server::migrateModStorageDatabase(game_params, cmd_args);
if (cmd_args.getFlag("recompress"))
return recompress_map_database(game_params, cmd_args, bind_addr);
if (cmd_args.exists("terminal")) {
#if USE_CURSES
bool name_ok = true;
std::string admin_nick = g_settings->get("name");
name_ok = name_ok && !admin_nick.empty();
name_ok = name_ok && string_allowed(admin_nick, PLAYERNAME_ALLOWED_CHARS);
if (!name_ok) {
if (admin_nick.empty()) {
errorstream << "No name given for admin. "
<< "Please check your minetest.conf that it "
<< "contains a 'name = ' to your main admin account."
<< std::endl;
} else {
errorstream << "Name for admin '"
<< admin_nick << "' is not valid. "
<< "Please check that it only contains allowed characters. "
<< "Valid characters are: " << PLAYERNAME_ALLOWED_CHARS_USER_EXPL
<< std::endl;
}
return false;
}
ChatInterface iface;
bool &kill = *porting::signal_handler_killstatus();
try {
// Create server
Server server(game_params.world_path, game_params.game_spec,
false, bind_addr, true, &iface);
g_term_console.setup(&iface, &kill, admin_nick);
g_term_console.start();
server.start();
// Run server
dedicated_server_loop(server, kill);
} catch (const ModError &e) {
g_term_console.stopAndWaitforThread();
errorstream << "ModError: " << e.what() << std::endl;
return false;
} catch (const ServerError &e) {
g_term_console.stopAndWaitforThread();
errorstream << "ServerError: " << e.what() << std::endl;
return false;
}
// Tell the console to stop, and wait for it to finish,
// only then leave context and free iface
g_term_console.stop();
g_term_console.wait();
g_term_console.clearKillStatus();
} else {
#else
errorstream << "Cmd arg --terminal passed, but "
<< "compiled without ncurses. Ignoring." << std::endl;
} {
#endif
try {
// Create server
Server server(game_params.world_path, game_params.game_spec, false,
bind_addr, true);
server.start();
// Run server
bool &kill = *porting::signal_handler_killstatus();
dedicated_server_loop(server, kill);
} catch (const ModError &e) {
errorstream << "ModError: " << e.what() << std::endl;
return false;
} catch (const ServerError &e) {
errorstream << "ServerError: " << e.what() << std::endl;
return false;
}
}
return true;
}
static bool migrate_map_database(const GameParams &game_params, const Settings &cmd_args)
{
std::string migrate_to = cmd_args.get("migrate");
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("backend")) {
errorstream << "Please specify your current backend in world.mt:"
<< std::endl
<< " backend = {sqlite3|leveldb|redis|dummy|postgresql}"
<< std::endl;
return false;
}
std::string backend = world_mt.get("backend");
if (backend == migrate_to) {
errorstream << "Cannot migrate: new backend is same"
<< " as the old one" << std::endl;
return false;
}
MapDatabase *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;
old_db->listAllLoadableBlocks(blocks);
new_db->beginSave();
for (std::vector<v3s16>::const_iterator it = blocks.begin(); it != blocks.end(); ++it) {
if (kill) return false;
std::string data;
old_db->loadBlock(*it, &data);
if (!data.empty()) {
new_db->saveBlock(*it, data);
} else {
errorstream << "Failed to load block " << *it << ", skipping it." << std::endl;
}
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);
}
}
std::cerr << std::endl;
new_db->endSave();
delete old_db;
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()))
errorstream << "Failed to update world.mt!" << std::endl;
else
actionstream << "world.mt updated" << std::endl;
return true;
}
static bool recompress_map_database(const GameParams &game_params, const Settings &cmd_args, const Address &addr)
{
Settings world_mt;
const 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 at " << world_mt_path << std::endl;
return false;
}
const std::string &backend = world_mt.get("backend");
Server server(game_params.world_path, game_params.game_spec, false, addr, false);
MapDatabase *db = ServerMap::createDatabase(backend, game_params.world_path, world_mt);
u32 count = 0;
u64 last_update_time = 0;
bool &kill = *porting::signal_handler_killstatus();
const u8 serialize_as_ver = SER_FMT_VER_HIGHEST_WRITE;
// This is ok because the server doesn't actually run
std::vector<v3s16> blocks;
db->listAllLoadableBlocks(blocks);
db->beginSave();
std::istringstream iss(std::ios_base::binary);
std::ostringstream oss(std::ios_base::binary);
for (auto it = blocks.begin(); it != blocks.end(); ++it) {
if (kill) return false;
std::string data;
db->loadBlock(*it, &data);
if (data.empty()) {
errorstream << "Failed to load block " << *it << std::endl;
return false;
}
iss.str(data);
iss.clear();
{
MapBlock mb(nullptr, v3s16(0,0,0), &server);
u8 ver = readU8(iss);
mb.deSerialize(iss, ver, true);
oss.str("");
oss.clear();
writeU8(oss, serialize_as_ver);
mb.serialize(oss, serialize_as_ver, true, -1);
}
db->saveBlock(*it, oss.str());
count++;
if (count % 0xFF == 0 && porting::getTimeS() - last_update_time >= 1) {
std::cerr << " Recompressed " << count << " blocks, "
<< (100.0f * count / blocks.size()) << "% completed.\r";
db->endSave();
db->beginSave();
last_update_time = porting::getTimeS();
}
}
std::cerr << std::endl;
db->endSave();
actionstream << "Done, " << count << " blocks were recompressed." << std::endl;
return true;
}
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