2012-12-25 12:20:51 +01:00
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/*
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2013-02-24 18:40:43 +01:00
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Minetest
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2012-12-25 12:20:51 +01:00
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Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <iostream>
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#include <sstream>
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#include <algorithm>
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#include "main.h" // for g_settings
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#include "settings.h"
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#include "serverlist.h"
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#include "filesys.h"
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#include "porting.h"
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#include "log.h"
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2013-02-21 23:00:44 +01:00
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#include "json/json.h"
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2012-12-25 12:20:51 +01:00
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#if USE_CURL
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#include <curl/curl.h>
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#endif
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namespace ServerList
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{
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std::string getFilePath()
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{
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std::string serverlist_file = g_settings->get("serverlist_file");
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std::string rel_path = std::string("client") + DIR_DELIM
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+ "serverlist" + DIR_DELIM
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+ serverlist_file;
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std::string path = porting::path_share + DIR_DELIM + rel_path;
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return path;
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}
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std::vector<ServerListSpec> getLocal()
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{
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std::string path = ServerList::getFilePath();
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std::string liststring;
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if(fs::PathExists(path))
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{
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std::ifstream istream(path.c_str(), std::ios::binary);
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if(istream.is_open())
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{
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std::ostringstream ostream;
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ostream << istream.rdbuf();
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liststring = ostream.str();
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istream.close();
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}
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}
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return ServerList::deSerialize(liststring);
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}
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#if USE_CURL
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static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp)
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{
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((std::string*)userp)->append((char*)contents, size * nmemb);
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return size * nmemb;
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}
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std::vector<ServerListSpec> getOnline()
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{
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std::string liststring;
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CURL *curl;
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curl = curl_easy_init();
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if (curl)
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{
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CURLcode res;
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2013-02-21 23:00:44 +01:00
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curl_easy_setopt(curl, CURLOPT_URL, (g_settings->get("serverlist_url")+"/list").c_str());
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2012-12-25 12:20:51 +01:00
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, ServerList::WriteCallback);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, &liststring);
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res = curl_easy_perform(curl);
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if (res != CURLE_OK)
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errorstream<<"Serverlist at url "<<g_settings->get("serverlist_url")<<" not found (internet connection?)"<<std::endl;
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curl_easy_cleanup(curl);
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}
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return ServerList::deSerializeJson(liststring);
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2012-12-25 12:20:51 +01:00
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}
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#endif
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/*
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Delete a server fromt he local favorites list
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*/
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bool deleteEntry (ServerListSpec server)
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{
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std::vector<ServerListSpec> serverlist = ServerList::getLocal();
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for(unsigned i = 0; i < serverlist.size(); i++)
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{
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2013-02-21 23:00:44 +01:00
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if (serverlist[i]["address"] == server["address"]
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&& serverlist[i]["port"] == server["port"])
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2012-12-25 12:20:51 +01:00
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{
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serverlist.erase(serverlist.begin() + i);
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}
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}
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std::string path = ServerList::getFilePath();
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std::ofstream stream (path.c_str());
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if (stream.is_open())
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{
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stream<<ServerList::serialize(serverlist);
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return true;
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}
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return false;
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}
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/*
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Insert a server to the local favorites list
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*/
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bool insert (ServerListSpec server)
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{
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// Remove duplicates
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ServerList::deleteEntry(server);
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std::vector<ServerListSpec> serverlist = ServerList::getLocal();
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// Insert new server at the top of the list
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serverlist.insert(serverlist.begin(), server);
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std::string path = ServerList::getFilePath();
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std::ofstream stream (path.c_str());
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if (stream.is_open())
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{
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stream<<ServerList::serialize(serverlist);
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}
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return false;
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}
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std::vector<ServerListSpec> deSerialize(std::string liststring)
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{
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std::vector<ServerListSpec> serverlist;
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std::istringstream stream(liststring);
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std::string line, tmp;
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2012-12-25 12:20:51 +01:00
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while (std::getline(stream, line))
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{
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std::transform(line.begin(), line.end(),line.begin(), ::toupper);
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if (line == "[SERVER]")
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{
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ServerListSpec thisserver;
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std::getline(stream, tmp);
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thisserver["name"] = tmp;
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std::getline(stream, tmp);
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thisserver["address"] = tmp;
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std::getline(stream, tmp);
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thisserver["port"] = tmp;
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std::getline(stream, tmp);
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thisserver["description"] = tmp;
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2012-12-25 12:20:51 +01:00
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serverlist.push_back(thisserver);
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}
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}
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return serverlist;
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}
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std::string serialize(std::vector<ServerListSpec> serverlist)
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{
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std::string liststring;
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for(std::vector<ServerListSpec>::iterator i = serverlist.begin(); i != serverlist.end(); i++)
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{
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liststring += "[server]\n";
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liststring += (*i)["name"].asString() + "\n";
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liststring += (*i)["address"].asString() + "\n";
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liststring += (*i)["port"].asString() + "\n";
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liststring += (*i)["description"].asString() + "\n";
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2012-12-25 12:20:51 +01:00
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liststring += "\n";
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}
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return liststring;
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}
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2013-02-21 23:00:44 +01:00
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std::vector<ServerListSpec> deSerializeJson(std::string liststring)
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{
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std::vector<ServerListSpec> serverlist;
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Json::Value root;
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Json::Reader reader;
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std::istringstream stream(liststring);
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if (!liststring.size()) {
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return serverlist;
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}
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if (!reader.parse( stream, root ) )
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{
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errorstream << "Failed to parse server list " << reader.getFormattedErrorMessages();
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return serverlist;
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}
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if (root["list"].isArray())
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for (unsigned int i = 0; i < root["list"].size(); i++)
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{
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if (root["list"][i].isObject()) {
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serverlist.push_back(root["list"][i]);
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}
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}
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return serverlist;
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}
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std::string serializeJson(std::vector<ServerListSpec> serverlist)
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{
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Json::Value root;
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Json::Value list(Json::arrayValue);
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for(std::vector<ServerListSpec>::iterator i = serverlist.begin(); i != serverlist.end(); i++)
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{
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list.append(*i);
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}
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root["list"] = list;
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Json::StyledWriter writer;
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return writer.write( root );
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}
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#if USE_CURL
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static size_t ServerAnnounceCallback(void *contents, size_t size, size_t nmemb, void *userp)
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{
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return 0;
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//((std::string*)userp)->append((char*)contents, size * nmemb);
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//return size * nmemb;
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}
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void sendAnnounce(std::string action, u16 clients) {
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Json::Value server;
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if (action.size())
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server["action"] = action;
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server["port"] = g_settings->get("port");
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if (action != "del") {
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server["name"] = g_settings->get("server_name");
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server["description"] = g_settings->get("server_description");
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server["address"] = g_settings->get("server_address");
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server["version"] = VERSION_STRING;
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server["url"] = g_settings->get("server_url");
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server["creative"] = g_settings->get("creative_mode");
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server["damage"] = g_settings->get("enable_damage");
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server["dedicated"] = g_settings->get("server_dedicated");
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server["password"] = g_settings->getBool("disallow_empty_password");
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server["pvp"] = g_settings->getBool("enable_pvp");
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server["clients"] = clients;
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server["clients_max"] = g_settings->get("max_users");
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}
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if(server["action"] == "start")
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actionstream << "announcing to " << g_settings->get("serverlist_url") << std::endl;
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Json::StyledWriter writer;
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CURL *curl;
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curl = curl_easy_init();
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if (curl)
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{
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CURLcode res;
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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());
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//curl_easy_setopt(curl, CURLOPT_USERAGENT, "minetest");
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, ServerList::ServerAnnounceCallback);
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//curl_easy_setopt(curl, CURLOPT_WRITEDATA, &liststring);
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curl_easy_setopt(curl, CURLOPT_TIMEOUT, 1);
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curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 1);
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res = curl_easy_perform(curl);
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//if (res != CURLE_OK)
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// errorstream<<"Serverlist at url "<<g_settings->get("serverlist_url")<<" not found (internet connection?)"<<std::endl;
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curl_easy_cleanup(curl);
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}
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}
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#endif
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2012-12-25 12:20:51 +01:00
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} //namespace ServerList
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