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