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minetest/src/servermain.cpp

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/*
Minetest-c55
Copyright (C) 2010 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 General Public License as published by
the Free Software Foundation; either version 2 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 General Public License for more details.
You should have received a copy of the GNU 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.
*/
/*
=============================== NOTES ==============================
*/
#ifndef SERVER
#ifdef _WIN32
#pragma error ("For a server build, SERVER must be defined globally")
#else
#error "For a server build, SERVER must be defined globally"
#endif
#endif
#ifdef NDEBUG
#ifdef _WIN32
#pragma message ("Disabling unit tests")
#else
#warning "Disabling unit tests"
#endif
// Disable unit tests
#define ENABLE_TESTS 0
#else
// Enable unit tests
#define ENABLE_TESTS 1
#endif
#ifdef _MSC_VER
#pragma comment(lib, "jthread.lib")
#pragma comment(lib, "zlibwapi.lib")
#endif
#include <iostream>
#include <fstream>
#include <time.h>
#include <jmutexautolock.h>
#include <locale.h>
#include "common_irrlicht.h"
#include "debug.h"
#include "map.h"
#include "player.h"
#include "main.h"
#include "test.h"
#include "environment.h"
#include "server.h"
#include "serialization.h"
#include "constants.h"
#include "strfnd.h"
#include "porting.h"
#include "materials.h"
#include "config.h"
/*
Settings.
These are loaded from the config file.
*/
Settings g_settings;
extern void set_default_settings();
/*
Debug streams
*/
// Connection
std::ostream *dout_con_ptr = &dummyout;
std::ostream *derr_con_ptr = &dstream_no_stderr;
// Server
std::ostream *dout_server_ptr = &dstream;
std::ostream *derr_server_ptr = &dstream;
// Client
std::ostream *dout_client_ptr = &dstream;
std::ostream *derr_client_ptr = &dstream;
/*
gettime.h implementation
*/
u32 getTimeMs()
{
/*
Use imprecise system calls directly (from porting.h)
*/
return porting::getTimeMs();
}
int main(int argc, char *argv[])
{
/*
Low-level initialization
*/
bool disable_stderr = false;
#ifdef _WIN32
disable_stderr = true;
#endif
// Initialize debug streams
debugstreams_init(disable_stderr, DEBUGFILE);
// Initialize debug stacks
debug_stacks_init();
DSTACK(__FUNCTION_NAME);
porting::initializePaths();
initializeMaterialProperties();
BEGIN_DEBUG_EXCEPTION_HANDLER
// Print startup message
dstream<<DTIME<<"minetest-c55"
" with SER_FMT_VER_HIGHEST="<<(int)SER_FMT_VER_HIGHEST
<<", "<<BUILD_INFO
<<std::endl;
try
{
/*
Parse command line
*/
// List all allowed options
core::map<std::string, ValueSpec> allowed_options;
allowed_options.insert("help", ValueSpec(VALUETYPE_FLAG));
allowed_options.insert("config", ValueSpec(VALUETYPE_STRING,
"Load configuration from specified file"));
allowed_options.insert("port", ValueSpec(VALUETYPE_STRING));
allowed_options.insert("disable-unittests", ValueSpec(VALUETYPE_FLAG));
allowed_options.insert("enable-unittests", ValueSpec(VALUETYPE_FLAG));
allowed_options.insert("map-dir", ValueSpec(VALUETYPE_STRING));
Settings cmd_args;
bool ret = cmd_args.parseCommandLine(argc, argv, allowed_options);
if(ret == false || cmd_args.getFlag("help"))
{
dstream<<"Allowed options:"<<std::endl;
for(core::map<std::string, ValueSpec>::Iterator
i = allowed_options.getIterator();
i.atEnd() == false; i++)
{
dstream<<" --"<<i.getNode()->getKey();
if(i.getNode()->getValue().type == VALUETYPE_FLAG)
{
}
else
{
dstream<<" <value>";
}
dstream<<std::endl;
if(i.getNode()->getValue().help != NULL)
{
dstream<<" "<<i.getNode()->getValue().help
<<std::endl;
}
}
return cmd_args.getFlag("help") ? 0 : 1;
}
/*
Basic initialization
*/
// Initialize default settings
set_default_settings();
// Set locale. This is for forcing '.' as the decimal point.
std::locale::global(std::locale("C"));
// This enables printing all characters in bitmap font
setlocale(LC_CTYPE, "en_US");
// Initialize sockets
sockets_init();
atexit(sockets_cleanup);
/*
Initialization
*/
/*
Read config file
*/
// Path of configuration file in use
std::string configpath = "";
if(cmd_args.exists("config"))
{
bool r = g_settings.readConfigFile(cmd_args.get("config").c_str());
if(r == false)
{
dstream<<"Could not read configuration from \""
<<cmd_args.get("config")<<"\""<<std::endl;
return 1;
}
configpath = cmd_args.get("config");
}
else
{
core::array<std::string> filenames;
filenames.push_back(porting::path_userdata + "/minetest.conf");
#ifdef RUN_IN_PLACE
filenames.push_back(porting::path_userdata + "/../minetest.conf");
#endif
for(u32 i=0; i<filenames.size(); i++)
{
bool r = g_settings.readConfigFile(filenames[i].c_str());
if(r)
{
configpath = filenames[i];
break;
}
}
}
// Initialize random seed
srand(time(0));
mysrand(time(0));
/*
Run unit tests
*/
if((ENABLE_TESTS && cmd_args.getFlag("disable-unittests") == false)
|| cmd_args.getFlag("enable-unittests") == true)
{
run_tests();
}
// Read map parameters from settings
HMParams hm_params;
hm_params.blocksize = g_settings.getU16("heightmap_blocksize");
hm_params.randmax = g_settings.get("height_randmax");
hm_params.randfactor = g_settings.get("height_randfactor");
hm_params.base = g_settings.get("height_base");
MapParams map_params;
map_params.plants_amount = g_settings.getFloat("plants_amount");
map_params.ravines_amount = g_settings.getFloat("ravines_amount");
/*
Check parameters
*/
std::cout<<std::endl<<std::endl;
std::cout
<<" .__ __ __ "<<std::endl
<<" _____ |__| ____ _____/ |_ ____ _______/ |_ "<<std::endl
<<" / \\| |/ \\_/ __ \\ __\\/ __ \\ / ___/\\ __\\"<<std::endl
<<"| Y Y \\ | | \\ ___/| | \\ ___/ \\___ \\ | | "<<std::endl
<<"|__|_| /__|___| /\\___ >__| \\___ >____ > |__| "<<std::endl
<<" \\/ \\/ \\/ \\/ \\/ "<<std::endl
<<std::endl;
std::cout<<std::endl;
// Port?
u16 port = 30000;
if(cmd_args.exists("port") && cmd_args.getU16("port") != 0)
{
port = cmd_args.getU16("port");
}
else if(g_settings.exists("port") && g_settings.getU16("port") != 0)
{
port = g_settings.getU16("port");
}
else
{
dstream<<"Please specify port (in config or on command line)"
<<std::endl;
}
DSTACK("Dedicated server branch");
std::cout<<std::endl;
std::cout<<"========================"<<std::endl;
std::cout<<"Running dedicated server"<<std::endl;
std::cout<<"========================"<<std::endl;
std::cout<<std::endl;
// Figure out path to map
std::string map_dir = porting::path_userdata+"/map";
if(cmd_args.exists("map-dir"))
map_dir = cmd_args.get("map-dir");
else if(g_settings.exists("map-dir"))
map_dir = g_settings.get("map-dir");
Server server(map_dir.c_str(), hm_params, map_params);
server.start(port);
for(;;)
{
// This is kind of a hack but can be done like this
// because server.step() is very light
sleep_ms(30);
server.step(0.030);
static int counter = 0;
counter--;
if(counter <= 0)
{
counter = 10;
core::list<PlayerInfo> list = server.getPlayerInfo();
core::list<PlayerInfo>::Iterator i;
static u32 sum_old = 0;
u32 sum = PIChecksum(list);
if(sum != sum_old)
{
std::cout<<DTIME<<"Player info:"<<std::endl;
for(i=list.begin(); i!=list.end(); i++)
{
i->PrintLine(&std::cout);
}
}
sum_old = sum;
}
}
} //try
catch(con::PeerNotFoundException &e)
{
dstream<<DTIME<<"Connection timed out."<<std::endl;
}
END_DEBUG_EXCEPTION_HANDLER
debugstreams_deinit();
return 0;
}
//END
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