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