src/serverlist.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2013 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 Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser 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 #include <iostream>
  21 #include "version.h"
  22 #include "settings.h"
  23 #include "serverlist.h"
  24 #include "filesys.h"
  25 #include "log.h"
  26 #include "network/networkprotocol.h"
  27 #include <json/json.h>
  28 #include "convert_json.h"
  29 #include "httpfetch.h"
  30
  31 namespace ServerList
  32 {
  33 #if USE_CURL
  34 void sendAnnounce(AnnounceAction action,
  35                 const u16 port,
  36                 const std::vector<std::string> &clients_names,
  37                 const double uptime,
  38                 const u32 game_time,
  39                 const float lag,
  40                 const std::string &gameid,
  41                 const std::string &mg_name,
  42                 const std::vector<ModSpec> &mods,
  43                 bool dedicated)
  44 {
  45         static const char *aa_names[] = {"start", "update", "delete"};
  46         Json::Value server;
  47         server["action"] = aa_names[action];
  48         server["port"] = port;
  49         if (g_settings->exists("server_address")) {
  50                 server["address"] = g_settings->get("server_address");
  51         }
  52         if (action != AA_DELETE) {
  53                 bool strict_checking = g_settings->getBool("strict_protocol_version_checking");
  54                 server["name"]         = g_settings->get("server_name");
  55                 server["description"]  = g_settings->get("server_description");
  56                 server["version"]      = g_version_string;
  57                 server["proto_min"]    = strict_checking ? LATEST_PROTOCOL_VERSION : SERVER_PROTOCOL_VERSION_MIN;
  58                 server["proto_max"]    = strict_checking ? LATEST_PROTOCOL_VERSION : SERVER_PROTOCOL_VERSION_MAX;
  59                 server["url"]          = g_settings->get("server_url");
  60                 server["creative"]     = g_settings->getBool("creative_mode");
  61                 server["damage"]       = g_settings->getBool("enable_damage");
  62                 server["password"]     = g_settings->getBool("disallow_empty_password");
  63                 server["pvp"]          = g_settings->getBool("enable_pvp");
  64                 server["uptime"]       = (int) uptime;
  65                 server["game_time"]    = game_time;
  66                 server["clients"]      = (int) clients_names.size();
  67                 server["clients_max"]  = g_settings->getU16("max_users");
  68                 server["clients_list"] = Json::Value(Json::arrayValue);
  69                 for (const std::string &clients_name : clients_names) {
  70                         server["clients_list"].append(clients_name);
  71                 }
  72                 if (!gameid.empty())
  73                         server["gameid"] = gameid;
  74         }
  75
  76         if (action == AA_START) {
  77                 server["dedicated"]         = dedicated;
  78                 server["rollback"]          = g_settings->getBool("enable_rollback_recording");
  79                 server["mapgen"]            = mg_name;
  80                 server["privs"]             = g_settings->get("default_privs");
  81                 server["can_see_far_names"] = g_settings->getS16("player_transfer_distance") <= 0;
  82                 server["mods"]              = Json::Value(Json::arrayValue);
  83                 for (const ModSpec &mod : mods) {
  84                         server["mods"].append(mod.name);
  85                 }
  86         } else if (action == AA_UPDATE) {
  87                 if (lag)
  88                         server["lag"] = lag;
  89         }
  90
  91         if (action == AA_START) {
  92                 actionstream << "Announcing " << aa_names[action] << " to " <<
  93                         g_settings->get("serverlist_url") << std::endl;
  94         } else {
  95                 infostream << "Announcing " << aa_names[action] << " to " <<
  96                         g_settings->get("serverlist_url") << std::endl;
  97         }
  98
  99         HTTPFetchRequest fetch_request;
 100         fetch_request.caller = HTTPFETCH_PRINT_ERR;
 101         fetch_request.url = g_settings->get("serverlist_url") + std::string("/announce");
 102         fetch_request.method = HTTP_POST;
 103         fetch_request.fields["json"] = fastWriteJson(server);
 104         fetch_request.multipart = true;
 105         httpfetch_async(fetch_request);
 106 }
 107 #endif
 108
 109 } // namespace ServerList