From ab7477c4c3e2a3647dc4fb65c71567946d33b0e3 Mon Sep 17 00:00:00 2001
From: Perttu Ahola <celeron55@gmail.com>
Date: Sun, 19 Dec 2010 19:11:05 +0200
Subject: added dedicated server build without irrlicht

---
 src/servermain.cpp | 421 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 421 insertions(+)
 create mode 100644 src/servermain.cpp

(limited to 'src/servermain.cpp')

diff --git a/src/servermain.cpp b/src/servermain.cpp
new file mode 100644
index 000000000..e8d7c471d
--- /dev/null
+++ b/src/servermain.cpp
@@ -0,0 +1,421 @@
+/*
+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 ==============================
+
+TODO: Move the default settings into some separate file
+
+*/
+
+#ifndef SERVER
+	#ifdef _WIN32
+	#else
+		#error "For a server build, SERVER must be defined globally"
+	#endif
+#endif
+
+#ifdef UNITTEST_DISABLE
+	#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
+
+#ifdef _WIN32
+	#define WIN32_LEAN_AND_MEAN
+	#include <windows.h>
+	#define sleep_ms(x) Sleep(x)
+#else
+	#include <unistd.h>
+	#define sleep_ms(x) usleep(x*1000)
+#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"
+
+// Dummy variable
+IrrlichtDevice *g_device = NULL;
+
+/*
+	Settings.
+	These are loaded from the config file.
+*/
+
+Settings g_settings;
+
+// Sets default settings
+void set_default_settings()
+{
+	// Client stuff
+	g_settings.setDefault("wanted_fps", "30");
+	g_settings.setDefault("fps_max", "60");
+	g_settings.setDefault("viewing_range_nodes_max", "300");
+	g_settings.setDefault("viewing_range_nodes_min", "35");
+	g_settings.setDefault("screenW", "");
+	g_settings.setDefault("screenH", "");
+	g_settings.setDefault("host_game", "");
+	g_settings.setDefault("port", "");
+	g_settings.setDefault("address", "");
+	g_settings.setDefault("name", "");
+	g_settings.setDefault("random_input", "false");
+	g_settings.setDefault("client_delete_unused_sectors_timeout", "1200");
+	g_settings.setDefault("enable_fog", "true");
+
+	// Server stuff
+	g_settings.setDefault("creative_mode", "false");
+	g_settings.setDefault("heightmap_blocksize", "32");
+	g_settings.setDefault("height_randmax", "constant 50.0");
+	g_settings.setDefault("height_randfactor", "constant 0.6");
+	g_settings.setDefault("height_base", "linear 0 0 0");
+	g_settings.setDefault("plants_amount", "1.0");
+	g_settings.setDefault("ravines_amount", "1.0");
+	g_settings.setDefault("objectdata_interval", "0.2");
+	g_settings.setDefault("active_object_range", "2");
+	g_settings.setDefault("max_simultaneous_block_sends_per_client", "1");
+	g_settings.setDefault("max_simultaneous_block_sends_server_total", "4");
+	g_settings.setDefault("disable_water_climb", "true");
+	g_settings.setDefault("endless_water", "true");
+	g_settings.setDefault("max_block_send_distance", "5");
+	g_settings.setDefault("max_block_generate_distance", "4");
+}
+
+/*
+	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;
+
+
+/*
+	Timestamp stuff
+*/
+
+JMutex g_timestamp_mutex;
+
+std::string getTimestamp()
+{
+	if(g_timestamp_mutex.IsInitialized()==false)
+		return "";
+	JMutexAutoLock lock(g_timestamp_mutex);
+	time_t t = time(NULL);
+	struct tm *tm = localtime(&t);
+	char cs[20];
+	strftime(cs, 20, "%H:%M:%S", tm);
+	return cs;
+}
+
+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);
+
+	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));
+
+	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();
+	
+	// Print startup message
+	dstream<<DTIME<<"minetest-c55 server"
+			" with SER_FMT_VER_HIGHEST="<<(int)SER_FMT_VER_HIGHEST
+			<<", ENABLE_TESTS="<<ENABLE_TESTS
+			<<std::endl;
+	
+	// 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);
+	
+	// Initialize timestamp mutex
+	g_timestamp_mutex.Init();
+
+	/*
+		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
+	{
+		const char *filenames[2] =
+		{
+			"../minetest.conf",
+			"../../minetest.conf"
+		};
+
+		for(u32 i=0; i<2; i++)
+		{
+			bool r = g_settings.readConfigFile(filenames[i]);
+			if(r)
+			{
+				configpath = filenames[i];
+				break;
+			}
+		}
+	}
+
+	// Initialize random seed
+	srand(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
+	<<"Now with more waterish water!"
+	<<std::endl;
+
+	std::cout<<std::endl;
+	
+	// Port?
+	u16 port = 30000;
+	if(cmd_args.exists("port"))
+	{
+		port = cmd_args.getU16("port");
+	}
+	else if(g_settings.exists("port"))
+	{
+		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;
+
+	Server server("../map", 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;
+		}
+	}
+
+	/*
+		Update configuration file
+	*/
+	if(configpath != "")
+	{
+		g_settings.updateConfigFile(configpath.c_str());
+	}
+
+	} //try
+	catch(con::PeerNotFoundException &e)
+	{
+		dstream<<DTIME<<"Connection timed out."<<std::endl;
+	}
+#if CATCH_UNHANDLED_EXCEPTIONS
+	/*
+		This is what has to be done in every thread to get suitable debug info
+	*/
+	catch(std::exception &e)
+	{
+		dstream<<std::endl<<DTIME<<"An unhandled exception occurred: "
+				<<e.what()<<std::endl;
+		assert(0);
+	}
+#endif
+
+	debugstreams_deinit();
+	
+	return 0;
+}
+
+//END
-- 
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