new auto masterserver

2013-02-22 02:00:44 +04:00 · 2013-02-22 02:00:44 +04:00 · ee07c3f7cf
parent ef6b8bee07
commit ee07c3f7cf
20 changed files with 6919 additions and 49 deletions
--- a/.gitignore
+++ b/.gitignore
@ -40,6 +40,8 @@ src/cguittfont/CMakeFiles/
 src/cguittfont/libcguittfont.a
 src/cguittfont/cmake_install.cmake
 src/cguittfont/Makefile
+src/json/CMakeFiles/
+src/json/libjson.a
 CMakeCache.txt
 CPackConfig.cmake
 CPackSourceConfig.cmake
--- a/cmake/Modules/FindJson.cmake
+++ b/cmake/Modules/FindJson.cmake
@ -0,0 +1,18 @@
+# Look for json, use our own if not found
+
+#FIND_PATH(JSON_INCLUDE_DIR json.h)
+
+#FIND_LIBRARY(JSON_LIBRARY NAMES json)
+
+#IF(JSON_LIBRARY AND JSON_INCLUDE_DIR)
+#	SET( JSON_FOUND TRUE )
+#ENDIF(JSON_LIBRARY AND JSON_INCLUDE_DIR)
+
+#IF(JSON_FOUND)
+#	MESSAGE(STATUS "Found system json header file in ${JSON_INCLUDE_DIR}")
+#	MESSAGE(STATUS "Found system json library ${JSON_LIBRARY}")
+#ELSE(JSON_FOUND)
+	SET(JSON_INCLUDE_DIR ${PROJECT_SOURCE_DIR}/json)
+	SET(JSON_LIBRARY json)
+	MESSAGE(STATUS "Using project json library")
+#ENDIF(JSON_FOUND)
--- a/minetest.conf.example
+++ b/minetest.conf.example
@ -159,7 +159,7 @@
 #media_fetch_threads = 8

 # Url to the server list displayed in the Multiplayer Tab
-#serverlist_url = servers.minetest.ru/server.list
+#serverlist_url = servers.minetest.net
 # File in client/serverlist/ that contains your favorite servers displayed in the Multiplayer Tab
 #serverlist_file = favoriteservers.txt

@ -172,6 +172,16 @@
 # Server stuff
 #

+# Name of server
+#server_name = Minetest server
+# Description of server
+#server_description = mine here
+# Domain name of server
+#server_address = game.minetest.net
+# Homepage of server
+#server_url = http://minetest.net
+# Automaticaly report to masterserver
+#server_announce = 0
 # Default game (default when creating a new world)
 #default_game = minetest
 # World directory (everything in the world is stored here)
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@ -5,6 +5,7 @@ cmake_minimum_required( VERSION 2.6 )
 mark_as_advanced(EXECUTABLE_OUTPUT_PATH LIBRARY_OUTPUT_PATH)
 mark_as_advanced(JTHREAD_INCLUDE_DIR JTHREAD_LIBRARY)
 mark_as_advanced(SQLITE3_INCLUDE_DIR SQLITE3_LIBRARY)
+mark_as_advanced(JSON_INCLUDE_DIR JSON_LIBRARY)

 option(ENABLE_CURL "Enable cURL support for fetching media" 1)

@ -170,6 +171,7 @@ endif()

 find_package(Jthread REQUIRED)
 find_package(Sqlite3 REQUIRED)
+find_package(Json REQUIRED)

 if(USE_FREETYPE)
 	find_package(Freetype REQUIRED)
@ -242,6 +244,7 @@ set(common_SRCS
 	biome.cpp
 	clientserver.cpp
 	staticobject.cpp
+	serverlist.cpp
 	util/serialize.cpp
 	util/directiontables.cpp
 	util/numeric.cpp
@ -303,7 +306,6 @@ set(minetest_SRCS
 	filecache.cpp
 	tile.cpp
 	shader.cpp
-	serverlist.cpp
 	game.cpp
 	main.cpp
 )
@ -332,6 +334,7 @@ include_directories(
 	${JTHREAD_INCLUDE_DIR}
 	${SQLITE3_INCLUDE_DIR}
 	${LUA_INCLUDE_DIR}
+	${JSON_INCLUDE_DIR}
 )

 if(USE_FREETYPE)
@ -341,6 +344,12 @@ if(USE_FREETYPE)
 	)
 endif(USE_FREETYPE)

+if(USE_CURL)
+	include_directories(
+		${CURL_INCLUDE_DIR}
+	)
+endif(USE_CURL)
+
 set(EXECUTABLE_OUTPUT_PATH "${CMAKE_SOURCE_DIR}/bin")

 if(BUILD_CLIENT)
@ -359,18 +368,15 @@ if(BUILD_CLIENT)
 		${JTHREAD_LIBRARY}
 		${SQLITE3_LIBRARY}
 		${LUA_LIBRARY}
+		${JSON_LIBRARY}
 		${PLATFORM_LIBS}
 		${CLIENT_PLATFORM_LIBS}
 	)
-
 	if(USE_CURL)
 		target_link_libraries(
 			${PROJECT_NAME}
 			${CURL_LIBRARY}
 		)
-		include_directories(
-			${CURL_INCLUDE_DIR}
-		)
 	endif(USE_CURL)
 	if(USE_FREETYPE)
 		target_link_libraries(
@ -388,12 +394,20 @@ if(BUILD_SERVER)
 		${ZLIB_LIBRARIES}
 		${JTHREAD_LIBRARY}
 		${SQLITE3_LIBRARY}
+		${JSON_LIBRARY}
 		${GETTEXT_LIBRARY}
 		${LUA_LIBRARY}
 		${PLATFORM_LIBS}
 	)
+	if(USE_CURL)
+		target_link_libraries(
+			${PROJECT_NAME}server
+			${CURL_LIBRARY}
+		)
+	endif(USE_CURL)
 endif(BUILD_SERVER)

+
 #
 # Set some optimizations and tweaks
 #
@ -569,4 +583,9 @@ else (LUA_FOUND)
 	add_subdirectory(lua)
 endif (LUA_FOUND)

+if (JSON_FOUND)
+else (JSON_FOUND)
+	add_subdirectory(json)
+endif (JSON_FOUND)
+
 #end
--- a/src/defaultsettings.cpp
+++ b/src/defaultsettings.cpp
@ -130,8 +130,13 @@ void set_default_settings(Settings *settings)

 	settings->setDefault("media_fetch_threads", "8");

-	settings->setDefault("serverlist_url", "servers.minetest.ru/server.list");
+	settings->setDefault("serverlist_url", "servers.minetest.net");
 	settings->setDefault("serverlist_file", "favoriteservers.txt");
+	settings->setDefault("server_announce", "false");
+	settings->setDefault("server_url", "");
+	settings->setDefault("server_address", "");
+	settings->setDefault("server_name", "");
+	settings->setDefault("server_description", "");

 	settings->setDefault("font_path", porting::getDataPath("fonts" DIR_DELIM "liberationsans.ttf"));
 	settings->setDefault("font_size", "13");
--- a/src/guiMainMenu.cpp
+++ b/src/guiMainMenu.cpp
@ -108,6 +108,7 @@ enum
 	GUI_ID_ENABLE_PARTICLES_CB,
 	GUI_ID_DAMAGE_CB,
 	GUI_ID_CREATIVE_CB,
+	GUI_ID_PUBLIC_CB,
 	GUI_ID_JOIN_GAME_BUTTON,
 	GUI_ID_CHANGE_KEYS_BUTTON,
 	GUI_ID_DELETE_WORLD_BUTTON,
@ -562,6 +563,14 @@ void GUIMainMenu::regenerateGui(v2u32 screensize)
 			Environment->addCheckBox(m_data->enable_damage, rect, this, GUI_ID_DAMAGE_CB,
 				wgettext("Enable Damage"));
 		}
+		#if USE_CURL
+		{
+			core::rect<s32> rect(0, 0, 250, 30);
+			rect += m_topleft_server + v2s32(30+20+250+20, 60);
+			Environment->addCheckBox(m_data->enable_public, rect, this, GUI_ID_PUBLIC_CB,
+				wgettext("Public"));
+		}
+		#endif
 		// Delete world button
 		{
 			core::rect<s32> rect(0, 0, 130, 30);
@ -841,6 +850,11 @@ void GUIMainMenu::readInput(MainMenuData *dst)
 		if(e != NULL && e->getType() == gui::EGUIET_CHECK_BOX)
 			dst->enable_damage = ((gui::IGUICheckBox*)e)->isChecked();
 	}
+	{
+		gui::IGUIElement *e = getElementFromId(GUI_ID_PUBLIC_CB);
+		if(e != NULL && e->getType() == gui::EGUIET_CHECK_BOX)
+			dst->enable_public = ((gui::IGUICheckBox*)e)->isChecked();
+	}
 	{
 		gui::IGUIElement *e = getElementFromId(GUI_ID_FANCYTREE_CB);
 		if(e != NULL && e->getType() == gui::EGUIET_CHECK_BOX)
@ -912,8 +926,8 @@ void GUIMainMenu::readInput(MainMenuData *dst)
 	{
 		ServerListSpec server =
 		getServerListSpec(wide_to_narrow(dst->address), wide_to_narrow(dst->port));
-		dst->servername = server.name;
-		dst->serverdescription = server.description;
+		dst->servername = server["name"].asString();
+		dst->serverdescription = server["description"].asString();
 	}
 }

@ -1174,12 +1188,30 @@ void GUIMainMenu::updateGuiServerList()
 		i != m_data->servers.end(); i++)
 	{
 		std::string text;
-		if (i->name != "" && i->description != "")
-			text = i->name + " (" + i->description + ")";
-		else if (i->name !="")
-			text = i->name;
+
+		if ((*i)["clients"].asString().size())
+			text += (*i)["clients"].asString();
+		if ((*i)["clients_max"].asString().size())
+			text += "/" + (*i)["clients_max"].asString();
+		text += " ";
+		if ((*i)["version"].asString().size())
+			text += (*i)["version"].asString() + " ";
+		if ((*i)["password"].asString().size())
+			text += "*";
+		if ((*i)["creative"].asString().size())
+			text += "C";
+		if ((*i)["damage"].asString().size())
+			text += "D";
+		if ((*i)["pvp"].asString().size())
+			text += "P";
+		text += " ";
+
+		if ((*i)["name"] != "" && (*i)["description"] != "")
+			text += (*i)["name"].asString() + " (" +  (*i)["description"].asString() + ")";
+		else if ((*i)["name"] !="")
+			text += (*i)["name"].asString();
 		else
-			text = i->address + ":" + i->port;
+			text += (*i)["address"].asString() + ":" + (*i)["port"].asString();
 		
 		serverlist->addItem(narrow_to_wide(text).c_str());
 	}
@ -1191,26 +1223,26 @@ void GUIMainMenu::serverListOnSelected()
 	{
 		gui::IGUIListBox *serverlist = (gui::IGUIListBox*)getElementFromId(GUI_ID_SERVERLIST);
 		u16 id = serverlist->getSelected();
-		if (id < 0) return;
+		//if (id < 0) return; // u16>0!
 		((gui::IGUIEditBox*)getElementFromId(GUI_ID_ADDRESS_INPUT))
-		->setText(narrow_to_wide(m_data->servers[id].address).c_str());
+		->setText(narrow_to_wide(m_data->servers[id]["address"].asString()).c_str());
 		((gui::IGUIEditBox*)getElementFromId(GUI_ID_PORT_INPUT))
-		->setText(narrow_to_wide(m_data->servers[id].port).c_str());
+		->setText(narrow_to_wide(m_data->servers[id]["port"].asString()).c_str());
 	}
 }

 ServerListSpec GUIMainMenu::getServerListSpec(std::string address, std::string port)
 {
 	ServerListSpec server;
-	server.address = address;
-	server.port = port;
+	server["address"] = address;
+	server["port"] = port;
 	for(std::vector<ServerListSpec>::iterator i = m_data->servers.begin();
 		i != m_data->servers.end(); i++)
 	{
-		if (i->address == address && i->port == port)
+		if ((*i)["address"] == address && (*i)["port"] == port)
 		{
-			server.description = i->description;
-			server.name = i->name;
+			server["description"] = (*i)["description"];
+			server["name"] = (*i)["name"];
 			break;
 		}
 	}
--- a/src/guiMainMenu.h
+++ b/src/guiMainMenu.h
@ -55,6 +55,7 @@ struct MainMenuData
 	// Server options
 	bool creative_mode;
 	bool enable_damage;
+	bool enable_public;
 	int selected_world;
 	bool simple_singleplayer_mode;
 	// Actions
@ -77,6 +78,7 @@ struct MainMenuData
 		// Server opts
 		creative_mode(false),
 		enable_damage(false),
+		enable_public(false),
 		selected_world(0),
 		simple_singleplayer_mode(false),
 		// Actions
--- a/src/json/CMakeLists.txt
+++ b/src/json/CMakeLists.txt
@ -0,0 +1,14 @@
+if( UNIX )
+	set(json_SRCS jsoncpp.cpp)
+	set(json_platform_LIBS "")
+else( UNIX )
+	set(json_SRCS jsoncpp.cpp)
+	set(json_platform_LIBS "")
+endif( UNIX )
+
+add_library(json ${json_SRCS})
+
+target_link_libraries(
+	json
+	${json_platform_LIBS}
+)
--- a/src/json/UPDATING
+++ b/src/json/UPDATING
@ -0,0 +1,16 @@
+#!/bin/sh
+cd ..
+svn co https://jsoncpp.svn.sourceforge.net/svnroot/jsoncpp/trunk/jsoncpp jsoncpp
+svn up jsoncpp
+cd jsoncpp
+python amalgamate.py
+cp -R dist/json ..
+cp dist/jsoncpp.cpp ../json
+
+# maybe you need to patch:
+# src/json/jsoncpp.cpp:
+# -#include <json/json.h>
+# +#include "json/json.h"
+
+#svn export --force https://jsoncpp.svn.sourceforge.net/svnroot/jsoncpp/trunk/jsoncpp/src/lib_json json
+#svn export --force https://jsoncpp.svn.sourceforge.net/svnroot/jsoncpp/trunk/jsoncpp/include/json json
--- a/src/json/json.h
+++ b/src/json/json.h
--- a/src/json/jsoncpp.cpp
+++ b/src/json/jsoncpp.cpp
--- a/src/main.cpp
+++ b/src/main.cpp
@ -1095,6 +1095,7 @@ int main(int argc, char *argv[])
 #else
 	bool run_dedicated_server = cmd_args.getFlag("server");
 #endif
+	g_settings->set("server_dedicated", run_dedicated_server ? "true" : "false");
 	if(run_dedicated_server)
 	{
 		DSTACK("Dedicated server branch");
@ -1593,6 +1594,7 @@ int main(int argc, char *argv[])

 				g_settings->set("creative_mode", itos(menudata.creative_mode));
 				g_settings->set("enable_damage", itos(menudata.enable_damage));
+				g_settings->set("server_announce", itos(menudata.enable_public));
 				g_settings->set("name", playername);
 				g_settings->set("address", address);
 				g_settings->set("port", itos(port));
@ -1619,10 +1621,10 @@ int main(int argc, char *argv[])
 				else if (address != "")
 				{
 					ServerListSpec server;
-					server.name = menudata.servername;
-					server.address = wide_to_narrow(menudata.address);
-					server.port = wide_to_narrow(menudata.port);
-					server.description = menudata.serverdescription;
+					server["name"] = menudata.servername;
+					server["address"] = wide_to_narrow(menudata.address);
+					server["port"] = wide_to_narrow(menudata.port);
+					server["description"] = menudata.serverdescription;
 					ServerList::insert(server);
 				}
 				
--- a/src/server.cpp
+++ b/src/server.cpp
@ -51,6 +51,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "sound.h" // dummySoundManager
 #include "event_manager.h"
 #include "hex.h"
+#include "serverlist.h"
 #include "util/string.h"
 #include "util/pointedthing.h"
 #include "util/mathconstants.h"
@ -961,9 +962,11 @@ Server::Server(
 {
 	m_liquid_transform_timer = 0.0;
 	m_print_info_timer = 0.0;
+	m_masterserver_timer = 0.0;
 	m_objectdata_timer = 0.0;
 	m_emergethread_trigger_timer = 0.0;
 	m_savemap_timer = 0.0;
+	m_clients_number = 0;

 	m_env_mutex.Init();
 	m_con_mutex.Init();
@ -1505,7 +1508,7 @@ void Server::AsyncRunStep()
 			counter = 0.0;

 			JMutexAutoLock lock2(m_con_mutex);
-
+			m_clients_number = 0;
 			if(m_clients.size() != 0)
 				infostream<<"Players:"<<std::endl;
 			for(core::map<u16, RemoteClient*>::Iterator
@ -1519,10 +1522,25 @@ void Server::AsyncRunStep()
 					continue;
 				infostream<<"* "<<player->getName()<<"\t";
 				client->PrintInfo(infostream);
+				++m_clients_number;
 			}
 		}
 	}

+
+#if USE_CURL
+	// send masterserver announce
+	{
+		float &counter = m_masterserver_timer;
+		if((!counter || counter >= 300.0) && g_settings->getBool("server_announce") == true)
+		{
+			ServerList::sendAnnounce(!counter ? "start" : "update", m_clients_number);
+			counter = 0.01;
+		}
+		counter += dtime;
+	}
+#endif
+
 	//if(g_settings->getBool("enable_experimental"))
 	{

@ -5186,6 +5204,10 @@ void dedicated_server_loop(Server &server, bool &kill)
 		if(server.getShutdownRequested() || kill)
 		{
 			infostream<<"Dedicated server quitting"<<std::endl;
+#if USE_CURL
+			if(g_settings->getBool("server_announce") == true)
+				ServerList::sendAnnounce("delete");
+#endif
 			break;
 		}

--- a/src/server.h
+++ b/src/server.h
@ -720,6 +720,7 @@ private:
 	// Some timers
 	float m_liquid_transform_timer;
 	float m_print_info_timer;
+	float m_masterserver_timer;
 	float m_objectdata_timer;
 	float m_emergethread_trigger_timer;
 	float m_savemap_timer;
@ -737,6 +738,7 @@ private:
 	JMutex m_con_mutex;
 	// Connected clients (behind the con mutex)
 	core::map<u16, RemoteClient*> m_clients;
+	u16 m_clients_number; //for announcing masterserver

 	// Bann checking
 	BanManager m_banmanager;
--- a/src/serverlist.cpp
+++ b/src/serverlist.cpp
@ -27,6 +27,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "filesys.h"
 #include "porting.h"
 #include "log.h"
+#include "json/json.h"
 #if USE_CURL
 #include <curl/curl.h>
 #endif
@ -83,7 +84,7 @@ std::vector<ServerListSpec> getOnline()
 	{
 		CURLcode res;

-		curl_easy_setopt(curl, CURLOPT_URL, g_settings->get("serverlist_url").c_str());
+		curl_easy_setopt(curl, CURLOPT_URL, (g_settings->get("serverlist_url")+"/list").c_str());
 		curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, ServerList::WriteCallback);
 		curl_easy_setopt(curl, CURLOPT_WRITEDATA, &liststring);

@ -92,8 +93,7 @@ std::vector<ServerListSpec> getOnline()
 			errorstream<<"Serverlist at url "<<g_settings->get("serverlist_url")<<" not found (internet connection?)"<<std::endl;
 		curl_easy_cleanup(curl);
 	}
-
-	return ServerList::deSerialize(liststring);
+	return ServerList::deSerializeJson(liststring);
 }

 #endif
@ -106,8 +106,8 @@ bool deleteEntry (ServerListSpec server)
 	std::vector<ServerListSpec> serverlist = ServerList::getLocal();
 	for(unsigned i = 0; i < serverlist.size(); i++)
 	{
-		if  (serverlist[i].address == server.address
-		&&   serverlist[i].port    == server.port)
+		if  (serverlist[i]["address"] == server["address"]
+		&&   serverlist[i]["port"]    == server["port"])
 		{
 			serverlist.erase(serverlist.begin() + i);
 		}
@ -150,17 +150,21 @@ std::vector<ServerListSpec> deSerialize(std::string liststring)
 {
 	std::vector<ServerListSpec> serverlist;
 	std::istringstream stream(liststring);
-	std::string line;
+	std::string line, tmp;
 	while (std::getline(stream, line))
 	{
 		std::transform(line.begin(), line.end(),line.begin(), ::toupper);
 		if (line == "[SERVER]")
 		{
 			ServerListSpec thisserver;
-			std::getline(stream, thisserver.name);
-			std::getline(stream, thisserver.address);
-			std::getline(stream, thisserver.port);
-			std::getline(stream, thisserver.description);
+			std::getline(stream, tmp);
+			thisserver["name"] = tmp;
+			std::getline(stream, tmp);
+			thisserver["address"] = tmp;
+			std::getline(stream, tmp);
+			thisserver["port"] = tmp;
+			std::getline(stream, tmp);
+			thisserver["description"] = tmp;
 			serverlist.push_back(thisserver);
 		}
 	}
@ -173,13 +177,100 @@ std::string serialize(std::vector<ServerListSpec> serverlist)
 	for(std::vector<ServerListSpec>::iterator i = serverlist.begin(); i != serverlist.end(); i++)
 	{
 		liststring += "[server]\n";
-		liststring += i->name + "\n";
-		liststring += i->address + "\n";
-		liststring += i->port + "\n";
-		liststring += i->description + "\n";
+		liststring += (*i)["name"].asString() + "\n";
+		liststring += (*i)["address"].asString() + "\n";
+		liststring += (*i)["port"].asString() + "\n";
+		liststring += (*i)["description"].asString() + "\n";
 		liststring += "\n";
 	}
 	return liststring;
 }

+std::vector<ServerListSpec> deSerializeJson(std::string liststring)
+{
+	std::vector<ServerListSpec> serverlist;
+	Json::Value root;
+	Json::Reader reader;
+	std::istringstream stream(liststring);
+	if (!liststring.size()) {
+		return serverlist;
+	}
+	if (!reader.parse( stream, root ) )
+	{
+		errorstream  << "Failed to parse server list " << reader.getFormattedErrorMessages();
+		return serverlist;
+	}
+	if (root["list"].isArray())
+	    for (unsigned int i = 0; i < root["list"].size(); i++)
+	{
+		if (root["list"][i].isObject()) {
+			serverlist.push_back(root["list"][i]);
+		}
+	}
+	return serverlist;
+}
+
+std::string serializeJson(std::vector<ServerListSpec> serverlist)
+{
+	Json::Value root;
+	Json::Value list(Json::arrayValue);
+	for(std::vector<ServerListSpec>::iterator i = serverlist.begin(); i != serverlist.end(); i++)
+	{
+		list.append(*i);
+	}
+	root["list"] = list;
+	Json::StyledWriter writer;
+	return writer.write( root );
+}
+
+
+#if USE_CURL
+static size_t ServerAnnounceCallback(void *contents, size_t size, size_t nmemb, void *userp)
+{
+    return 0;
+    //((std::string*)userp)->append((char*)contents, size * nmemb);
+    //return size * nmemb;
+}
+void sendAnnounce(std::string action, u16 clients) {
+	Json::Value server;
+	if (action.size())
+		server["action"]	= action;
+	server["port"] = g_settings->get("port");
+        if (action != "del") {
+		server["name"]		= g_settings->get("server_name");
+		server["description"]	= g_settings->get("server_description");
+		server["address"]	= g_settings->get("server_address");
+		server["version"]	= VERSION_STRING;
+		server["url"]		= g_settings->get("server_url");
+		server["creative"]	= g_settings->get("creative_mode");
+		server["damage"]	= g_settings->get("enable_damage");
+		server["dedicated"]	= g_settings->get("server_dedicated");
+		server["password"]	= g_settings->getBool("disallow_empty_password");
+		server["pvp"]		= g_settings->getBool("enable_pvp");
+		server["clients"]	= clients;
+		server["clients_max"]	= g_settings->get("max_users");
+	}
+	if(server["action"] == "start")
+		actionstream << "announcing to " << g_settings->get("serverlist_url") << std::endl;
+	Json::StyledWriter writer;
+	CURL *curl;
+	curl = curl_easy_init();
+	if (curl)
+	{
+		CURLcode res;
+		curl_easy_setopt(curl, CURLOPT_URL, (g_settings->get("serverlist_url")+std::string("/announce?json=")+curl_easy_escape(curl, writer.write( server ).c_str(), 0)).c_str());
+		//curl_easy_setopt(curl, CURLOPT_USERAGENT, "minetest");
+		curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, ServerList::ServerAnnounceCallback);
+		//curl_easy_setopt(curl, CURLOPT_WRITEDATA, &liststring);
+		curl_easy_setopt(curl, CURLOPT_TIMEOUT, 1);
+		curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 1);
+		res = curl_easy_perform(curl);
+		//if (res != CURLE_OK)
+		//	errorstream<<"Serverlist at url "<<g_settings->get("serverlist_url")<<" not found (internet connection?)"<<std::endl;
+		curl_easy_cleanup(curl);
+	}
+
+}
+#endif
+
 } //namespace ServerList
--- a/src/serverlist.h
+++ b/src/serverlist.h
@ -19,17 +19,12 @@ with this program; if not, write to the Free Software Foundation, Inc.,

 #include <iostream>
 #include "config.h"
+#include "json/json.h"

 #ifndef SERVERLIST_HEADER
 #define SERVERLIST_HEADER

-struct ServerListSpec
-{
-	std::string name;
-	std::string address;
-	std::string port;
-	std::string description;
-};
+typedef Json::Value ServerListSpec;

 namespace ServerList
 {
@ -41,6 +36,11 @@ namespace ServerList
 	bool insert(ServerListSpec server);
 	std::vector<ServerListSpec> deSerialize(std::string liststring);
 	std::string serialize(std::vector<ServerListSpec>);
+	std::vector<ServerListSpec> deSerializeJson(std::string liststring);
+	std::string serializeJson(std::vector<ServerListSpec>);
+	#if USE_CURL
+	void sendAnnounce(std::string action = "", u16 clients = 0);
+	#endif
 } //ServerList namespace

 #endif
--- a/util/master/index.html
+++ b/util/master/index.html
@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8">
+        <title>Minetest server list</title>
+        <link rel="stylesheet" href="style.css"/>
+    </head>
+    <body><div id="table"></div></body>
+</html>
+<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
+<script src="list.js"></script>
--- a/util/master/list.js
+++ b/util/master/list.js
@ -0,0 +1,72 @@
+function e(s) {
+    if (typeof s === "undefined") s = '';
+    return s.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;'); //mc"
+}
+function human_time(t) {
+    var n = 's';
+    if (!t || t < 0) t = 0;
+    var f = 0;
+    var s = parseInt((new Date().getTime() / 1000 - (t || 0)));
+    if (!s || s <= 0) s = 0;
+    if (s == 0) return 'now';
+    if (s >= 60) {
+        s /= 60;
+        n = 'm';
+        if (s >= 60) {
+            s /= 60;
+            n = 'h';
+            f = 1;
+            if (s >= 24) {
+                s /= 24;
+                n = 'd';
+                f = 1;
+                if (s >= 30) {
+                    s /= 30;
+                    n = 'M';
+                    f = 1;
+                    if (s >= 12) {
+                        s /= 12;
+                        n = 'y';
+                        f = 1;
+                    }
+                }
+            }
+        }
+    }
+    return ((f ? parseFloat(s).toFixed(1) : parseInt(s)) + n);
+}
+function success(r) {
+    if (!r || !r.list) return;
+    var h = '<table><tr><th>ip:port</th><th>clients, max</th><th>version</th><th>name</th><th>desc</th><th>flags</th><th>updated/started</th><th>ping</th></tr>';
+    for (var i = 0; i < r.list.length; ++i) {
+        var s = r.list[i];
+        if (!s) continue;
+        h += '<tr>';
+        h += '<td>' + e(s.address) + ':' + e(s.port) + '</td>';
+        h += '<td>' + e(s.clients) + (s.clients_max ? '/' + e(s.clients_max) : '') + (s.clients_top ? ', ' + s.clients_top : '') + '</td>';
+        h += '<td>' + e(s.version) + '</td>';
+        h += '<td>';
+        if (s.url) h += '<a href="' + e(s.url) + '">';
+        h += e(s.name || s.url);
+        if (s.url) h += '</a>';
+        h += '</td>';
+        h += '<td>' + e(s.description) + '</td>';
+        h += '<td>' + e(s.password ? 'Pwd ' : '') + (s.creative ? 'Cre ' : '') + (s.damage ? 'Dmg ' : '') + (s.pvp ? 'Pvp ' : '') + (s.dedicated ? 'Ded ' : '') + '</td>';
+        if (!s.time || s.time < 0) s.time = 0;
+        if (!s.start || s.start < 0) s.start = 0;
+        h += '<td>' + human_time(s.time) + (s.start ? '/' + human_time(s.start) : '') + '</td>';
+        h += '<td>' + (s.ping ? parseFloat(s.ping).toFixed(3)*1000 : '') + '</td>';
+        h += '</tr>';
+    }
+    h += '</table>'
+    jQuery('#table').html(h);
+}
+function get() {
+    jQuery.ajax({
+        url: 'list',
+        dataType: 'json',
+        success: success
+    });
+    setTimeout(get, 60000);
+}
+get();
--- a/util/master/master.cgi
+++ b/util/master/master.cgi
@ -0,0 +1,257 @@
+#!/usr/bin/perl
+
+=info
+install:
+ cpan JSON JSON::XS
+ touch list_full list
+ chmod a+rw list_full list
+
+freebsd:
+ www/fcgiwrap www/nginx
+
+rc.conf.local:
+nginx_enable="YES"
+fcgiwrap_enable="YES"
+fcgiwrap_user="www"
+
+nginx:
+
+        location / {
+            index  index.html;
+        }
+        location /announce {
+            fastcgi_pass   unix:/var/run/fcgiwrap/fcgiwrap.sock;
+            fastcgi_param  SCRIPT_FILENAME $document_root/master.cgi;
+            include        fastcgi_params;
+        }
+
+
+apache .htaccess:
+ AddHandler cgi-script .cgi
+ DirectoryIndex index.html
+ Options +ExecCGI +FollowSymLinks
+ Order allow,deny
+ <FilesMatch (\.(html?|cgi|fcgi|css|js|gif|png|jpe?g|ico)|(^)|\w+)$>
+  Allow from all
+ </FilesMatch>
+ Deny from all
+
+
+=cut
+
+use strict;
+no strict qw(refs);
+use warnings "NONFATAL" => "all";
+no warnings qw(uninitialized);
+use utf8;
+use Socket;
+use Time::HiRes qw(time sleep);
+use IO::Socket::INET;
+use JSON;
+use Net::Ping;
+our $root_path;
+($ENV{'SCRIPT_FILENAME'} || $0) =~ m|^(.+)[/\\].+?$|;    #v0w
+$root_path = $1 . '/' if $1;
+$root_path =~ s|\\|/|g;
+
+our %config = (
+    #debug        => 1,
+    list_full    => $root_path . 'list_full',
+    list_pub     => $root_path . 'list',
+    time_purge   => 86400 * 30,
+    time_alive   => 650,
+    source_check => 1,
+    ping_timeout => 3,
+    ping         => 1,
+    mineping     => 1,
+    pingable     => 1,
+    trusted      => [qw( 176.9.122.10 )],       #masterserver self ip - if server on same ip with masterserver doesnt announced
+    #blacklist => [], # [qw(2.3.4.5 4.5.6.7 8.9.0.1), '1.2.3.4', qr/^10\.20\.30\./, ], # list, or quoted, ips, or regex
+);
+do($root_path . 'config.pl');
+our $ping = Net::Ping->new("udp", $config{ping_timeout});
+$ping->hires();
+
+sub get_params_one(@) {
+    local %_ = %{ref $_[0] eq 'HASH' ? shift : {}};
+    for (@_) {
+        tr/+/ /, s/%([a-f\d]{2})/pack 'H*', $1/gei for my ($k, $v) = /^([^=]+=?)=(.+)$/ ? ($1, $2) : (/^([^=]*)=?$/, /^-/);
+        $_{$k} = $v;
+    }
+    wantarray ? %_ : \%_;
+}
+
+sub get_params(;$$) {    #v7
+    my ($string, $delim) = @_;
+    $delim ||= '&';
+    read(STDIN, local $_ = '', $ENV{'CONTENT_LENGTH'}) if !$string and $ENV{'CONTENT_LENGTH'};
+    local %_ =
+      $string
+      ? get_params_one split $delim, $string
+      : (get_params_one(@ARGV), map { get_params_one split $delim, $_ } split(/;\s*/, $ENV{'HTTP_COOKIE'}), $ENV{'QUERY_STRING'}, $_);
+    wantarray ? %_ : \%_;
+}
+
+sub get_params_utf8(;$$) {
+    local $_ = &get_params;
+    utf8::decode $_ for %$_;
+    wantarray ? %$_ : $_;
+}
+
+sub file_rewrite(;$@) {
+    local $_ = shift;
+    return unless open my $fh, '>', $_;
+    print $fh @_;
+}
+
+sub file_read ($) {
+    open my $f, '<', $_[0] or return;
+    local $/ = undef;
+    my $ret = <$f>;
+    close $f;
+    return \$ret;
+}
+
+sub read_json {
+    my $ret = {};
+    eval { $ret = JSON->new->utf8->relaxed(1)->decode(${ref $_[0] ? $_[0] : file_read($_[0]) or \''} || '{}'); };    #'mc
+    warn "json error [$@] on [", ${ref $_[0] ? $_[0] : \$_[0]}, "]" if $@;
+    $ret;
+}
+
+sub printu (@) {
+    for (@_) {
+        print($_), next unless utf8::is_utf8($_);
+        my $s = $_;
+        utf8::encode($s);
+        print($s);
+    }
+}
+
+sub name_to_ip_noc($) {
+    my ($name) = @_;
+    unless ($name =~ /^\d+\.\d+\.\d+\.\d+$/) {
+        local $_ = (gethostbyname($name))[4];
+        return ($name, 1) unless length($_) == 4;
+        $name = inet_ntoa($_);
+    }
+    return $name;
+}
+
+sub float {
+    return ($_[0] < 8 and $_[0] - int($_[0]))
+      ? sprintf('%.' . ($_[0] < 1 ? 3 : ($_[0] < 3 ? 2 : 1)) . 'f', $_[0])
+      : int($_[0]);
+
+}
+
+sub mineping ($$) {
+    my ($addr, $port) = @_;
+    warn "mineping($addr, $port)" if $config{debug};
+    my $data;
+    my $time = time;
+    eval {
+        my $socket = IO::Socket::INET->new(
+            'PeerAddr' => $addr,
+            'PeerPort' => $port,
+            'Proto'    => 'udp',
+            'Timeout'  => $config{ping_timeout},
+        );
+        $socket->send("\x4f\x45\x74\x03\x00\x00\x00\x01");
+        local $SIG{ALRM} = sub { die "alarm time out"; };
+        alarm $config{ping_timeout};
+        $socket->recv($data, POSIX::BUFSIZ) or die "recv: $!";
+        alarm 0;
+        1;    # return value from eval on normalcy
+    } or return 0;
+    return 0 unless length $data;
+    $time = float(time - $time);
+    warn "recvd: ", length $data, " [$time]" if $config{debug};
+    return $time;
+}
+
+sub request (;$) {
+    my ($r) = @_;
+    $r ||= \%ENV;
+    my $param = get_params_utf8;
+    my $after = sub {
+        if ($param->{json}) {
+            my $j = {};
+            eval { $j = JSON->new->decode($param->{json}) || {} };
+            $param->{$_} = $j->{$_} for keys %$j;
+            delete $param->{json};
+        }
+        if (%$param) {
+            s/^false$// for values %$param;
+            $param->{ip} = $r->{REMOTE_ADDR};
+            for (@{$config{blacklist}}) {
+                return if $param->{ip} ~~ $_;
+            }
+            $param->{address} ||= $param->{ip};
+            if ($config{source_check} and name_to_ip_noc($param->{address}) ne $param->{ip} and !($param->{ip} ~~ $config{trusted})) {
+                warn("bad address [$param->{address}] ne [$param->{ip}]") if $config{debug};
+                return;
+            }
+            $param->{port} ||= 30000;
+            $param->{key} = "$param->{ip}:$param->{port}";
+            $param->{off} = time if $param->{action} ~~ 'delete';
+
+            if ($config{ping} and $param->{action} ne 'delete') {
+                if ($config{mineping}) {
+                    $param->{ping} = mineping($param->{ip}, $param->{port});
+                } else {
+                    $ping->port_number($param->{port});
+                    $ping->service_check(0);
+                    my ($pingret, $duration, $ip) = $ping->ping($param->{address});
+                    if ($ip ne $param->{ip} and !($param->{ip} ~~ $config{trusted})) {
+                        warn "strange ping ip [$ip] != [$param->{ip}]" if $config{debug};
+                        return if $config{source_check} and !($param->{ip} ~~ $config{trusted});
+                    }
+                    $param->{ping} = $duration if $pingret;
+                    warn " PING t=$config{ping_timeout}, $param->{address}:$param->{port} = ( $pingret, $duration, $ip )" if $config{debug};
+                }
+            }
+            my $list = read_json($config{list_full}) || {};
+            warn "readed[$config{list_full}] list size=", scalar @{$list->{list}};
+            my $listk = {map { $_->{key} => $_ } @{$list->{list}}};
+            my $old = $listk->{$param->{key}};
+            $param->{time} = $old->{time} if $param->{off};
+            $param->{time} ||= int time;
+            $param->{start} = $param->{action} ~~ 'start' ? $param->{time} : $old->{start} || $param->{time};
+            delete $param->{start} if $param->{off};
+            $param->{first} ||= $old->{first} || $old->{time} || $param->{time};
+            $param->{clients_top} = $old->{clients_top} if $old->{clients_top} > $param->{clients};
+            $param->{clients_top} ||= $param->{clients} || 0;
+            delete $param->{action};
+            $listk->{$param->{key}} = $param;
+            $list->{list} = [grep { $_->{time} > time - $config{time_purge} } values %$listk];
+            file_rewrite($config{list_full}, JSON->new->encode($list));
+            warn "writed[$config{list_full}] list size=", scalar @{$list->{list}};
+            $list->{list} = [
+                sort { $b->{clients} <=> $a->{clients} || $a->{start} <=> $b->{start} }
+                  grep { $_->{time} > time - $config{time_alive} and !$_->{off} and (!$config{ping} or !$config{pingable} or $_->{ping}) }
+                  @{$list->{list}}
+            ];
+            file_rewrite($config{list_pub}, JSON->new->encode($list));
+            warn "writed[$config{list_pub}] list size=", scalar @{$list->{list}};
+        }
+    };
+    return [200, ["Content-type", "application/json"], [JSON->new->encode({})]], $after;
+}
+
+sub request_cgi {
+    my ($p, $after) = request(@_);
+    shift @$p;
+    printu join "\n", map { join ': ', @$_ } shift @$p;
+    printu "\n\n";
+    printu join '', map { join '', @$_ } @$p;
+    if (fork) {
+        unless ($config{debug}) {
+            close STDOUT;
+            close STDERR;
+        }
+    } else {
+        $after->() if ref $after ~~ 'CODE';
+    }
+}
+request_cgi() unless caller;
--- a/util/master/style.css
+++ b/util/master/style.css
@ -0,0 +1,14 @@
+table {
+  max-width: 100%;
+  background-color: transparent;
+  border-collapse: collapse;
+  border-spacing: 0;
+}
+
+td, th {
+  border: 1px solid gray;
+}
+
+div#table table {
+  width: 100%;
+}