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Diffstat (limited to 'src/serverlist.cpp')
| -rw-r--r-- | src/serverlist.cpp | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/src/serverlist.cpp b/src/serverlist.cpp new file mode 100644 index 000000000..88a213db1 --- /dev/null +++ b/src/serverlist.cpp @@ -0,0 +1,185 @@ +/* +Minetest-c55 +Copyright (C) 2011 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 Lesser General Public License as published by +the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser 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. +*/ + +#include <iostream> +#include <sstream> +#include <algorithm> + +#include "main.h" // for g_settings +#include "settings.h" +#include "serverlist.h" +#include "filesys.h" +#include "porting.h" +#include "log.h" +#if USE_CURL +#include <curl/curl.h> +#endif + +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::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()) + { + std::ostringstream ostream; + ostream << istream.rdbuf(); + liststring = ostream.str(); + istream.close(); + } + } + + return ServerList::deSerialize(liststring); +} + + +#if USE_CURL + +static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp) +{ + ((std::string*)userp)->append((char*)contents, size * nmemb); + return size * nmemb; +} + + +std::vector<ServerListSpec> getOnline() +{ + std::string liststring; + CURL *curl; + + curl = curl_easy_init(); + if (curl) + { + CURLcode res; + + curl_easy_setopt(curl, CURLOPT_URL, g_settings->get("serverlist_url").c_str()); + curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, ServerList::WriteCallback); + curl_easy_setopt(curl, CURLOPT_WRITEDATA, &liststring); + + 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); + } + + return ServerList::deSerialize(liststring); +} + +#endif + +/* + Delete a server fromt he local favorites list +*/ +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) + { + serverlist.erase(serverlist.begin() + i); + } + } + + std::string path = ServerList::getFilePath(); + std::ofstream stream (path.c_str()); + if (stream.is_open()) + { + stream<<ServerList::serialize(serverlist); + return true; + } + return false; +} + +/* + Insert a server to the local favorites list +*/ +bool insert (ServerListSpec server) +{ + // Remove duplicates + ServerList::deleteEntry(server); + + std::vector<ServerListSpec> serverlist = ServerList::getLocal(); + + // Insert new server at the top of the list + serverlist.insert(serverlist.begin(), server); + + std::string path = ServerList::getFilePath(); + std::ofstream stream (path.c_str()); + if (stream.is_open()) + { + stream<<ServerList::serialize(serverlist); + } + + return false; +} + +std::vector<ServerListSpec> deSerialize(std::string liststring) +{ + std::vector<ServerListSpec> serverlist; + std::istringstream stream(liststring); + std::string line; + 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); + serverlist.push_back(thisserver); + } + } + return serverlist; +} + +std::string serialize(std::vector<ServerListSpec> serverlist) +{ + std::string liststring; + 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 += "\n"; + } + return liststring; +} + +} //namespace ServerList |