]> git.lizzy.rs Git - dragonfireclient.git/blobdiff - src/serverlist.cpp
Fix some reference counters (memleak) (#8981)
[dragonfireclient.git] / src / serverlist.cpp
index b5e6aad4e979f5f6063854564f56beb180d54959..7d3ab4bbb568370934649cad2d6c574875a7234f 100644 (file)
@@ -17,43 +17,44 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
+#include <fstream>
 #include <iostream>
 #include <sstream>
 #include <algorithm>
 
-#include "main.h" // for g_settings
+#include "version.h"
 #include "settings.h"
 #include "serverlist.h"
 #include "filesys.h"
 #include "porting.h"
 #include "log.h"
-#include "json/json.h"
-#if USE_CURL
-#include <curl/curl.h>
-#endif
+#include "network/networkprotocol.h"
+#include <json/json.h>
+#include "convert_json.h"
+#include "httpfetch.h"
+#include "util/string.h"
 
 namespace ServerList
 {
+
 std::string getFilePath()
 {
        std::string serverlist_file = g_settings->get("serverlist_file");
 
-       std::string rel_path = std::string("client") + DIR_DELIM
-               + "serverlist" + DIR_DELIM
-               + serverlist_file;
-       std::string path = porting::path_share + DIR_DELIM + rel_path;
-       return path;
+       std::string dir_path = "client" DIR_DELIM "serverlist" DIR_DELIM;
+       fs::CreateDir(porting::path_user + DIR_DELIM  "client");
+       fs::CreateDir(porting::path_user + DIR_DELIM + dir_path);
+       return porting::path_user + DIR_DELIM + dir_path + serverlist_file;
 }
 
+
 std::vector<ServerListSpec> getLocal()
 {
        std::string path = ServerList::getFilePath();
        std::string liststring;
-       if(fs::PathExists(path))
-       {
-               std::ifstream istream(path.c_str(), std::ios::binary);
-               if(istream.is_open())
-               {
+       if (fs::PathExists(path)) {
+               std::ifstream istream(path.c_str());
+               if (istream.is_open()) {
                        std::ostringstream ostream;
                        ostream << istream.rdbuf();
                        liststring = ostream.str();
@@ -61,72 +62,66 @@ std::vector<ServerListSpec> getLocal()
                }
        }
 
-       return ServerList::deSerialize(liststring);
+       return deSerialize(liststring);
 }
 
 
-#if USE_CURL
-
-static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp)
+std::vector<ServerListSpec> getOnline()
 {
-    ((std::string*)userp)->append((char*)contents, size * nmemb);
-    return size * nmemb;
-}
+       std::ostringstream geturl;
 
+       u16 proto_version_min = CLIENT_PROTOCOL_VERSION_MIN;
 
-std::vector<ServerListSpec> getOnline()
-{
-       std::string liststring;
-       CURL *curl;
+       geturl << g_settings->get("serverlist_url") <<
+               "/list?proto_version_min=" << proto_version_min <<
+               "&proto_version_max=" << CLIENT_PROTOCOL_VERSION_MAX;
+       Json::Value root = fetchJsonValue(geturl.str(), NULL);
 
-       curl = curl_easy_init();
-       if (curl)
-       {
-               CURLcode res;
+       std::vector<ServerListSpec> server_list;
 
-               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);
+       if (!root.isObject()) {
+               return server_list;
+       }
 
-               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);
+       root = root["list"];
+       if (!root.isArray()) {
+               return server_list;
        }
-       return ServerList::deSerializeJson(liststring);
+
+       for (const Json::Value &i : root) {
+               if (i.isObject()) {
+                       server_list.push_back(i);
+               }
+       }
+
+       return server_list;
 }
 
-#endif
 
-/*
-       Delete a server fromt he local favorites list
-*/
-bool deleteEntry (ServerListSpec server)
+// Delete a server from the local favorites list
+bool deleteEntry(const 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"])
-               {
-                       serverlist.erase(serverlist.begin() + i);
+       for (std::vector<ServerListSpec>::iterator it = serverlist.begin();
+                       it != serverlist.end();) {
+               if ((*it)["address"] == server["address"] &&
+                               (*it)["port"] == server["port"]) {
+                       it = serverlist.erase(it);
+               } else {
+                       ++it;
                }
        }
 
        std::string path = ServerList::getFilePath();
-       std::ofstream stream (path.c_str());
-       if (stream.is_open())
-       {
-               stream<<ServerList::serialize(serverlist);
-               return true;
-       }
-       return false;
+       std::ostringstream ss(std::ios_base::binary);
+       ss << ServerList::serialize(serverlist);
+       if (!fs::safeWriteToFile(path, ss.str()))
+               return false;
+       return true;
 }
 
-/*
-       Insert a server to the local favorites list
-*/
-bool insert (ServerListSpec server)
+// Insert a server to the local favorites list
+bool insert(const ServerListSpec &server)
 {
        // Remove duplicates
        ServerList::deleteEntry(server);
@@ -137,140 +132,130 @@ bool insert (ServerListSpec server)
        serverlist.insert(serverlist.begin(), server);
 
        std::string path = ServerList::getFilePath();
-       std::ofstream stream (path.c_str());
-       if (stream.is_open())
-       {
-               stream<<ServerList::serialize(serverlist);
-       }
+       std::ostringstream ss(std::ios_base::binary);
+       ss << ServerList::serialize(serverlist);
+       if (!fs::safeWriteToFile(path, ss.str()))
+               return false;
 
-       return false;
+       return true;
 }
 
-std::vector<ServerListSpec> deSerialize(std::string liststring)
+std::vector<ServerListSpec> deSerialize(const std::string &liststring)
 {
        std::vector<ServerListSpec> serverlist;
        std::istringstream stream(liststring);
        std::string line, tmp;
-       while (std::getline(stream, line))
-       {
-               std::transform(line.begin(), line.end(),line.begin(), ::toupper);
-               if (line == "[SERVER]")
-               {
-                       ServerListSpec thisserver;
+       while (std::getline(stream, line)) {
+               std::transform(line.begin(), line.end(), line.begin(), ::toupper);
+               if (line == "[SERVER]") {
+                       ServerListSpec server;
                        std::getline(stream, tmp);
-                       thisserver["name"] = tmp;
+                       server["name"] = tmp;
                        std::getline(stream, tmp);
-                       thisserver["address"] = tmp;
+                       server["address"] = tmp;
                        std::getline(stream, tmp);
-                       thisserver["port"] = tmp;
+                       server["port"] = tmp;
                        std::getline(stream, tmp);
-                       thisserver["description"] = tmp;
-                       serverlist.push_back(thisserver);
+                       server["description"] = tmp;
+                       serverlist.push_back(server);
                }
        }
        return serverlist;
 }
 
-std::string serialize(std::vector<ServerListSpec> serverlist)
+const std::string serialize(const std::vector<ServerListSpec> &serverlist)
 {
        std::string liststring;
-       for(std::vector<ServerListSpec>::iterator i = serverlist.begin(); i != serverlist.end(); i++)
-       {
+       for (const ServerListSpec &it : serverlist) {
                liststring += "[server]\n";
-               liststring += (*i)["name"].asString() + "\n";
-               liststring += (*i)["address"].asString() + "\n";
-               liststring += (*i)["port"].asString() + "\n";
-               liststring += (*i)["description"].asString() + "\n";
-               liststring += "\n";
+               liststring += it["name"].asString() + '\n';
+               liststring += it["address"].asString() + '\n';
+               liststring += it["port"].asString() + '\n';
+               liststring += it["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)
+const std::string serializeJson(const 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);
+       for (const ServerListSpec &it : serverlist) {
+               list.append(it);
        }
        root["list"] = list;
-       Json::StyledWriter writer;
-       return writer.write( root );
+
+       return fastWriteJson(root);
 }
 
 
 #if USE_CURL
-static size_t ServerAnnounceCallback(void *contents, size_t size, size_t nmemb, void *userp)
+void sendAnnounce(AnnounceAction action,
+               const u16 port,
+               const std::vector<std::string> &clients_names,
+               const double uptime,
+               const u32 game_time,
+               const float lag,
+               const std::string &gameid,
+               const std::string &mg_name,
+               const std::vector<ModSpec> &mods,
+               bool dedicated)
 {
-    return 0;
-    //((std::string*)userp)->append((char*)contents, size * nmemb);
-    //return size * nmemb;
-}
-void sendAnnounce(std::string action, u16 clients) {
+       static const char *aa_names[] = {"start", "update", "delete"};
        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");
+       server["action"] = aa_names[action];
+       server["port"] = port;
+       if (g_settings->exists("server_address")) {
+               server["address"] = g_settings->get("server_address");
        }
-       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);
+       if (action != AA_DELETE) {
+               bool strict_checking = g_settings->getBool("strict_protocol_version_checking");
+               server["name"]         = g_settings->get("server_name");
+               server["description"]  = g_settings->get("server_description");
+               server["version"]      = g_version_string;
+               server["proto_min"]    = strict_checking ? LATEST_PROTOCOL_VERSION : SERVER_PROTOCOL_VERSION_MIN;
+               server["proto_max"]    = strict_checking ? LATEST_PROTOCOL_VERSION : SERVER_PROTOCOL_VERSION_MAX;
+               server["url"]          = g_settings->get("server_url");
+               server["creative"]     = g_settings->getBool("creative_mode");
+               server["damage"]       = g_settings->getBool("enable_damage");
+               server["password"]     = g_settings->getBool("disallow_empty_password");
+               server["pvp"]          = g_settings->getBool("enable_pvp");
+               server["uptime"]       = (int) uptime;
+               server["game_time"]    = game_time;
+               server["clients"]      = (int) clients_names.size();
+               server["clients_max"]  = g_settings->getU16("max_users");
+               server["clients_list"] = Json::Value(Json::arrayValue);
+               for (const std::string &clients_name : clients_names) {
+                       server["clients_list"].append(clients_name);
+               }
+               if (!gameid.empty())
+                       server["gameid"] = gameid;
        }
 
+       if (action == AA_START) {
+               server["dedicated"]         = dedicated;
+               server["rollback"]          = g_settings->getBool("enable_rollback_recording");
+               server["mapgen"]            = mg_name;
+               server["privs"]             = g_settings->get("default_privs");
+               server["can_see_far_names"] = g_settings->getS16("player_transfer_distance") <= 0;
+               server["mods"]              = Json::Value(Json::arrayValue);
+               for (const ModSpec &mod : mods) {
+                       server["mods"].append(mod.name);
+               }
+               actionstream << "Announcing to " << g_settings->get("serverlist_url") << std::endl;
+       } else if (action == AA_UPDATE) {
+               if (lag)
+                       server["lag"] = lag;
+       }
+
+       HTTPFetchRequest fetch_request;
+       fetch_request.url = g_settings->get("serverlist_url") + std::string("/announce");
+       fetch_request.post_fields["json"] = fastWriteJson(server);
+       fetch_request.multipart = true;
+       httpfetch_async(fetch_request);
 }
 #endif
 
-} //namespace ServerList
+} // namespace ServerList
+