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 "irrlichtwrapper.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         try
 127         {
 128
 129         /*
 130                 Parse command line
 131         */
 132
 133         // List all allowed options
 134         core::map<std::string, ValueSpec> allowed_options;
 135         allowed_options.insert("help", ValueSpec(VALUETYPE_FLAG));
 136         allowed_options.insert("config", ValueSpec(VALUETYPE_STRING,
 137                         "Load configuration from specified file"));
 138         allowed_options.insert("port", ValueSpec(VALUETYPE_STRING));
 139         allowed_options.insert("disable-unittests", ValueSpec(VALUETYPE_FLAG));
 140         allowed_options.insert("enable-unittests", ValueSpec(VALUETYPE_FLAG));
 141         allowed_options.insert("map-dir", ValueSpec(VALUETYPE_STRING));
 142
 143         Settings cmd_args;
 144
 145         bool ret = cmd_args.parseCommandLine(argc, argv, allowed_options);
 146
 147         if(ret == false || cmd_args.getFlag("help"))
 148         {
 149                 dstream<<"Allowed options:"<<std::endl;
 150                 for(core::map<std::string, ValueSpec>::Iterator
 151                                 i = allowed_options.getIterator();
 152                                 i.atEnd() == false; i++)
 153                 {
 154                         dstream<<"  --"<<i.getNode()->getKey();
 155                         if(i.getNode()->getValue().type == VALUETYPE_FLAG)
 156                         {
 157                         }
 158                         else
 159                         {
 160                                 dstream<<" <value>";
 161                         }
 162                         dstream<<std::endl;
 163
 164                         if(i.getNode()->getValue().help != NULL)
 165                         {
 166                                 dstream<<"      "<<i.getNode()->getValue().help
 167                                                 <<std::endl;
 168                         }
 169                 }
 170
 171                 return cmd_args.getFlag("help") ? 0 : 1;
 172         }
 173
 174
 175         /*
 176                 Basic initialization
 177         */
 178
 179         // Initialize default settings
 180         set_default_settings();
 181
 182         // Print startup message
 183         dstream<<DTIME<<"minetest-c55 server"
 184                         " with SER_FMT_VER_HIGHEST="<<(int)SER_FMT_VER_HIGHEST
 185                         <<", ENABLE_TESTS="<<ENABLE_TESTS
 186                         <<std::endl;
 187
 188         // Set locale. This is for forcing '.' as the decimal point.
 189         std::locale::global(std::locale("C"));
 190         // This enables printing all characters in bitmap font
 191         setlocale(LC_CTYPE, "en_US");
 192
 193         // Initialize sockets
 194         sockets_init();
 195         atexit(sockets_cleanup);
 196
 197         /*
 198                 Initialization
 199         */
 200
 201         /*
 202                 Read config file
 203         */
 204
 205         // Path of configuration file in use
 206         std::string configpath = "";
 207
 208         if(cmd_args.exists("config"))
 209         {
 210                 bool r = g_settings.readConfigFile(cmd_args.get("config").c_str());
 211                 if(r == false)
 212                 {
 213                         dstream<<"Could not read configuration from \""
 214                                         <<cmd_args.get("config")<<"\""<<std::endl;
 215                         return 1;
 216                 }
 217                 configpath = cmd_args.get("config");
 218         }
 219         else
 220         {
 221                 const char *filenames[2] =
 222                 {
 223                         "../minetest.conf",
 224                         "../../minetest.conf"
 225                 };
 226
 227                 for(u32 i=0; i<2; i++)
 228                 {
 229                         bool r = g_settings.readConfigFile(filenames[i]);
 230                         if(r)
 231                         {
 232                                 configpath = filenames[i];
 233                                 break;
 234                         }
 235                 }
 236         }
 237
 238         // Initialize random seed
 239         srand(time(0));
 240
 241         /*
 242                 Run unit tests
 243         */
 244         if((ENABLE_TESTS && cmd_args.getFlag("disable-unittests") == false)
 245                         || cmd_args.getFlag("enable-unittests") == true)
 246         {
 247                 run_tests();
 248         }
 249
 250         // Read map parameters from settings
 251
 252         HMParams hm_params;
 253         hm_params.blocksize = g_settings.getU16("heightmap_blocksize");
 254         hm_params.randmax = g_settings.get("height_randmax");
 255         hm_params.randfactor = g_settings.get("height_randfactor");
 256         hm_params.base = g_settings.get("height_base");
 257
 258         MapParams map_params;
 259         map_params.plants_amount = g_settings.getFloat("plants_amount");
 260         map_params.ravines_amount = g_settings.getFloat("ravines_amount");
 261
 262         /*
 263                 Check parameters
 264         */
 265
 266         std::cout<<std::endl<<std::endl;
 267
 268         std::cout
 269         <<"        .__               __                   __   "<<std::endl
 270         <<"  _____ |__| ____   _____/  |_  ____   _______/  |_ "<<std::endl
 271         <<" /     \\|  |/    \\_/ __ \\   __\\/ __ \\ /  ___/\\   __\\"<<std::endl
 272         <<"|  Y Y  \\  |   |  \\  ___/|  | \\  ___/ \\___ \\  |  |  "<<std::endl
 273         <<"|__|_|  /__|___|  /\\___  >__|  \\___  >____  > |__|  "<<std::endl
 274         <<"      \\/        \\/     \\/          \\/     \\/        "<<std::endl
 275         <<std::endl;
 276
 277         std::cout<<std::endl;
 278
 279         // Port?
 280         u16 port = 30000;
 281         if(cmd_args.exists("port") && cmd_args.getU16("port") != 0)
 282         {
 283                 port = cmd_args.getU16("port");
 284         }
 285         else if(g_settings.exists("port") && g_settings.getU16("port") != 0)
 286         {
 287                 port = g_settings.getU16("port");
 288         }
 289         else
 290         {
 291                 dstream<<"Please specify port (in config or on command line)"
 292                                 <<std::endl;
 293         }
 294
 295         DSTACK("Dedicated server branch");
 296
 297         std::cout<<std::endl;
 298         std::cout<<"========================"<<std::endl;
 299         std::cout<<"Running dedicated server"<<std::endl;
 300         std::cout<<"========================"<<std::endl;
 301         std::cout<<std::endl;
 302
 303         // Figure out path to map
 304         std::string map_dir = "../map";
 305         if(cmd_args.exists("map-dir"))
 306                 map_dir = cmd_args.get("map-dir");
 307
 308         Server server(map_dir.c_str(), hm_params, map_params);
 309         server.start(port);
 310
 311         for(;;)
 312         {
 313                 // This is kind of a hack but can be done like this
 314                 // because server.step() is very light
 315                 sleep_ms(30);
 316                 server.step(0.030);
 317
 318                 static int counter = 0;
 319                 counter--;
 320                 if(counter <= 0)
 321                 {
 322                         counter = 10;
 323
 324                         core::list<PlayerInfo> list = server.getPlayerInfo();
 325                         core::list<PlayerInfo>::Iterator i;
 326                         static u32 sum_old = 0;
 327                         u32 sum = PIChecksum(list);
 328                         if(sum != sum_old)
 329                         {
 330                                 std::cout<<DTIME<<"Player info:"<<std::endl;
 331                                 for(i=list.begin(); i!=list.end(); i++)
 332                                 {
 333                                         i->PrintLine(&std::cout);
 334                                 }
 335                         }
 336                         sum_old = sum;
 337                 }
 338         }
 339
 340         } //try
 341         catch(con::PeerNotFoundException &e)
 342         {
 343                 dstream<<DTIME<<"Connection timed out."<<std::endl;
 344         }
 345 #if CATCH_UNHANDLED_EXCEPTIONS
 346         /*
 347                 This is what has to be done in every thread to get suitable debug info
 348         */
 349         catch(std::exception &e)
 350         {
 351                 dstream<<std::endl<<DTIME<<"An unhandled exception occurred: "
 352                                 <<e.what()<<std::endl;
 353                 assert(0);
 354         }
 355 #endif
 356
 357         debugstreams_deinit();
 358
 359         return 0;
 360 }
 361
 362 //END