src/servermain.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 /*
  21 =============================== NOTES ==============================
  22
  23
  24 */
  25
  26 #ifndef SERVER
  27         #ifdef _WIN32
  28         #else
  29                 #error "For a server build, SERVER must be defined globally"
  30         #endif
  31 #endif
  32
  33 #ifdef UNITTEST_DISABLE
  34         #ifdef _WIN32
  35                 #pragma message ("Disabling unit tests")
  36         #else
  37                 #warning "Disabling unit tests"
  38         #endif
  39         // Disable unit tests
  40         #define ENABLE_TESTS 0
  41 #else
  42         // Enable unit tests
  43         #define ENABLE_TESTS 1
  44 #endif
  45
  46 #ifdef _MSC_VER
  47 #pragma comment(lib, "jthread.lib")
  48 #pragma comment(lib, "zlibwapi.lib")
  49 #endif
  50
  51 #include <iostream>
  52 #include <fstream>
  53 #include <time.h>
  54 #include <jmutexautolock.h>
  55 #include <locale.h>
  56 #include "common_irrlicht.h"
  57 #include "debug.h"
  58 #include "map.h"
  59 #include "player.h"
  60 #include "main.h"
  61 #include "test.h"
  62 #include "environment.h"
  63 #include "server.h"
  64 #include "serialization.h"
  65 #include "constants.h"
  66 #include "strfnd.h"
  67 #include "porting.h"
  68 #include "materials.h"
  69
  70 /*
  71         Settings.
  72         These are loaded from the config file.
  73 */
  74
  75 Settings g_settings;
  76
  77 extern void set_default_settings();
  78
  79 /*
  80         Debug streams
  81 */
  82
  83 // Connection
  84 std::ostream *dout_con_ptr = &dummyout;
  85 std::ostream *derr_con_ptr = &dstream_no_stderr;
  86
  87 // Server
  88 std::ostream *dout_server_ptr = &dstream;
  89 std::ostream *derr_server_ptr = &dstream;
  90
  91 // Client
  92 std::ostream *dout_client_ptr = &dstream;
  93 std::ostream *derr_client_ptr = &dstream;
  94
  95
  96 /*
  97         gettime.h implementation
  98 */
  99
 100 u32 getTimeMs()
 101 {
 102         /*
 103                 Use imprecise system calls directly (from porting.h)
 104         */
 105         return porting::getTimeMs();
 106 }
 107
 108 int main(int argc, char *argv[])
 109 {
 110         /*
 111                 Low-level initialization
 112         */
 113
 114         bool disable_stderr = false;
 115 #ifdef _WIN32
 116         disable_stderr = true;
 117 #endif
 118
 119         // Initialize debug streams
 120         debugstreams_init(disable_stderr, DEBUGFILE);
 121         // Initialize debug stacks
 122         debug_stacks_init();
 123
 124         DSTACK(__FUNCTION_NAME);
 125
 126         initializeMaterialProperties();
 127
 128         BEGIN_DEBUG_EXCEPTION_HANDLER
 129
 130         try
 131         {
 132
 133         /*
 134                 Parse command line
 135         */
 136
 137         // List all allowed options
 138         core::map<std::string, ValueSpec> allowed_options;
 139         allowed_options.insert("help", ValueSpec(VALUETYPE_FLAG));
 140         allowed_options.insert("config", ValueSpec(VALUETYPE_STRING,
 141                         "Load configuration from specified file"));
 142         allowed_options.insert("port", ValueSpec(VALUETYPE_STRING));
 143         allowed_options.insert("disable-unittests", ValueSpec(VALUETYPE_FLAG));
 144         allowed_options.insert("enable-unittests", ValueSpec(VALUETYPE_FLAG));
 145         allowed_options.insert("map-dir", ValueSpec(VALUETYPE_STRING));
 146
 147         Settings cmd_args;
 148
 149         bool ret = cmd_args.parseCommandLine(argc, argv, allowed_options);
 150
 151         if(ret == false || cmd_args.getFlag("help"))
 152         {
 153                 dstream<<"Allowed options:"<<std::endl;
 154                 for(core::map<std::string, ValueSpec>::Iterator
 155                                 i = allowed_options.getIterator();
 156                                 i.atEnd() == false; i++)
 157                 {
 158                         dstream<<"  --"<<i.getNode()->getKey();
 159                         if(i.getNode()->getValue().type == VALUETYPE_FLAG)
 160                         {
 161                         }
 162                         else
 163                         {
 164                                 dstream<<" <value>";
 165                         }
 166                         dstream<<std::endl;
 167
 168                         if(i.getNode()->getValue().help != NULL)
 169                         {
 170                                 dstream<<"      "<<i.getNode()->getValue().help
 171                                                 <<std::endl;
 172                         }
 173                 }
 174
 175                 return cmd_args.getFlag("help") ? 0 : 1;
 176         }
 177
 178
 179         /*
 180                 Basic initialization
 181         */
 182
 183         // Initialize default settings
 184         set_default_settings();
 185
 186         // Print startup message
 187         dstream<<DTIME<<"minetest-c55 server"
 188                         " with SER_FMT_VER_HIGHEST="<<(int)SER_FMT_VER_HIGHEST
 189                         <<", ENABLE_TESTS="<<ENABLE_TESTS
 190                         <<std::endl;
 191
 192         // Set locale. This is for forcing '.' as the decimal point.
 193         std::locale::global(std::locale("C"));
 194         // This enables printing all characters in bitmap font
 195         setlocale(LC_CTYPE, "en_US");
 196
 197         // Initialize sockets
 198         sockets_init();
 199         atexit(sockets_cleanup);
 200
 201         /*
 202                 Initialization
 203         */
 204
 205         /*
 206                 Read config file
 207         */
 208
 209         // Path of configuration file in use
 210         std::string configpath = "";
 211
 212         if(cmd_args.exists("config"))
 213         {
 214                 bool r = g_settings.readConfigFile(cmd_args.get("config").c_str());
 215                 if(r == false)
 216                 {
 217                         dstream<<"Could not read configuration from \""
 218                                         <<cmd_args.get("config")<<"\""<<std::endl;
 219                         return 1;
 220                 }
 221                 configpath = cmd_args.get("config");
 222         }
 223         else
 224         {
 225                 const char *filenames[2] =
 226                 {
 227                         "../minetest.conf",
 228                         "../../minetest.conf"
 229                 };
 230
 231                 for(u32 i=0; i<2; i++)
 232                 {
 233                         bool r = g_settings.readConfigFile(filenames[i]);
 234                         if(r)
 235                         {
 236                                 configpath = filenames[i];
 237                                 break;
 238                         }
 239                 }
 240         }
 241
 242         // Initialize random seed
 243         srand(time(0));
 244         mysrand(time(0));
 245
 246         /*
 247                 Run unit tests
 248         */
 249         if((ENABLE_TESTS && cmd_args.getFlag("disable-unittests") == false)
 250                         || cmd_args.getFlag("enable-unittests") == true)
 251         {
 252                 run_tests();
 253         }
 254
 255         // Read map parameters from settings
 256
 257         HMParams hm_params;
 258         hm_params.blocksize = g_settings.getU16("heightmap_blocksize");
 259         hm_params.randmax = g_settings.get("height_randmax");
 260         hm_params.randfactor = g_settings.get("height_randfactor");
 261         hm_params.base = g_settings.get("height_base");
 262
 263         MapParams map_params;
 264         map_params.plants_amount = g_settings.getFloat("plants_amount");
 265         map_params.ravines_amount = g_settings.getFloat("ravines_amount");
 266
 267         /*
 268                 Check parameters
 269         */
 270
 271         std::cout<<std::endl<<std::endl;
 272
 273         std::cout
 274         <<"        .__               __                   __   "<<std::endl
 275         <<"  _____ |__| ____   _____/  |_  ____   _______/  |_ "<<std::endl
 276         <<" /     \\|  |/    \\_/ __ \\   __\\/ __ \\ /  ___/\\   __\\"<<std::endl
 277         <<"|  Y Y  \\  |   |  \\  ___/|  | \\  ___/ \\___ \\  |  |  "<<std::endl
 278         <<"|__|_|  /__|___|  /\\___  >__|  \\___  >____  > |__|  "<<std::endl
 279         <<"      \\/        \\/     \\/          \\/     \\/        "<<std::endl
 280         <<std::endl;
 281
 282         std::cout<<std::endl;
 283
 284         // Port?
 285         u16 port = 30000;
 286         if(cmd_args.exists("port") && cmd_args.getU16("port") != 0)
 287         {
 288                 port = cmd_args.getU16("port");
 289         }
 290         else if(g_settings.exists("port") && g_settings.getU16("port") != 0)
 291         {
 292                 port = g_settings.getU16("port");
 293         }
 294         else
 295         {
 296                 dstream<<"Please specify port (in config or on command line)"
 297                                 <<std::endl;
 298         }
 299
 300         DSTACK("Dedicated server branch");
 301
 302         std::cout<<std::endl;
 303         std::cout<<"========================"<<std::endl;
 304         std::cout<<"Running dedicated server"<<std::endl;
 305         std::cout<<"========================"<<std::endl;
 306         std::cout<<std::endl;
 307
 308         // Figure out path to map
 309         std::string map_dir = "../map";
 310         if(cmd_args.exists("map-dir"))
 311                 map_dir = cmd_args.get("map-dir");
 312
 313         Server server(map_dir.c_str(), hm_params, map_params);
 314         server.start(port);
 315
 316         for(;;)
 317         {
 318                 // This is kind of a hack but can be done like this
 319                 // because server.step() is very light
 320                 sleep_ms(30);
 321                 server.step(0.030);
 322
 323                 static int counter = 0;
 324                 counter--;
 325                 if(counter <= 0)
 326                 {
 327                         counter = 10;
 328
 329                         core::list<PlayerInfo> list = server.getPlayerInfo();
 330                         core::list<PlayerInfo>::Iterator i;
 331                         static u32 sum_old = 0;
 332                         u32 sum = PIChecksum(list);
 333                         if(sum != sum_old)
 334                         {
 335                                 std::cout<<DTIME<<"Player info:"<<std::endl;
 336                                 for(i=list.begin(); i!=list.end(); i++)
 337                                 {
 338                                         i->PrintLine(&std::cout);
 339                                 }
 340                         }
 341                         sum_old = sum;
 342                 }
 343         }
 344
 345         } //try
 346         catch(con::PeerNotFoundException &e)
 347         {
 348                 dstream<<DTIME<<"Connection timed out."<<std::endl;
 349         }
 350
 351         END_DEBUG_EXCEPTION_HANDLER
 352
 353         debugstreams_deinit();
 354
 355         return 0;
 356 }
 357
 358 //END