serverdialog.cpp

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/*
 * The ManaPlus Client
 * Copyright (C) 2004-2009 The Mana World Development Team
 * Copyright (C) 2009-2010 The Mana Developers
 * Copyright (C) 2011-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * This file is part of The ManaPlus Client.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "gui/windows/serverdialog.h"
 
#include "chatlogger.h"
#include "client.h"
#include "configuration.h"
#include "main.h"
#include "settings.h"
 
#include "net/download.h"
 
#include "fs/paths.h"
 
#include "gui/widgets/checkbox.h"
#include "gui/widgets/createwidget.h"
#include "gui/widgets/desktop.h"
#include "gui/windows/editserverdialog.h"
#include "gui/windows/logindialog.h"
#include "gui/windows/serverinfowindow.h"
 
#include "gui/widgets/button.h"
#include "gui/widgets/label.h"
#include "gui/widgets/layout.h"
#include "gui/widgets/serverslistbox.h"
#include "gui/widgets/scrollarea.h"
 
#include "utils/delete2.h"
#include "utils/foreach.h"
#include "utils/langs.h"
 
#include "debug.h"
 
#ifdef WIN32
#undef ERROR
#endif // WIN32
 
static const int MAX_SERVERLIST = 15;
 
static std::string serverTypeToString(const ServerTypeT type)
{
 switch (type)
 {
 case ServerType::TMWATHENA:
#ifdef TMWA_SUPPORT
 return "TmwAthena";
#else // TMWA_SUPPORT
 
 return "";
#endif // TMWA_SUPPORT
 
 case ServerType::EATHENA:
 return "eAthena";
 case ServerType::EVOL2:
 return "Evol2";
 default:
 case ServerType::UNKNOWN:
 return "";
 }
}
 
static uint16_t defaultPortForServerType(const ServerTypeT type)
{
 switch (type)
 {
 default:
 case ServerType::EATHENA:
 case ServerType::EVOL2:
 return 6900;
 case ServerType::UNKNOWN:
 case ServerType::TMWATHENA:
 return 6901;
 }
}
 
ServerDialog::ServerDialog(ServerInfo *const serverInfo,
 const std::string &dir) :
 // TRANSLATORS: servers dialog name
 Window(_("Choose Your Server"), Modal_false, nullptr, "server.xml"),
 ActionListener(),
 KeyListener(),
 SelectionListener(),
 mMutex(),
 mServers(ServerInfos()),
 mDir(dir),
 mDescription(new Label(this, std::string())),
 // TRANSLATORS: servers dialog button
 mQuitButton(new Button(this, _("Quit"), "quit", BUTTON_SKIN, this)),
 // TRANSLATORS: servers dialog button
 mConnectButton(new Button(this, _("Connect"), "connect",
 BUTTON_SKIN, this)),
 // TRANSLATORS: servers dialog button
 mAddEntryButton(new Button(this, _("Add"), "addEntry", BUTTON_SKIN, this)),
 // TRANSLATORS: servers dialog button
 mEditEntryButton(new Button(this, _("Edit"), "editEntry",
 BUTTON_SKIN, this)),
 // TRANSLATORS: servers dialog button
 mDeleteButton(new Button(this, _("Delete"), "remove", BUTTON_SKIN, this)),
 // TRANSLATORS: servers dialog button
 mLoadButton(new Button(this, _("Load"), "load", BUTTON_SKIN, this)),
 // TRANSLATORS: servers dialog button
 mInfoButton(new Button(this, _("Info"), "info", BUTTON_SKIN, this)),
 mServersListModel(new ServersListModel(&mServers, this)),
 mServersList(CREATEWIDGETR(ServersListBox, this, mServersListModel)),
 mDownload(nullptr),
 mServerInfo(serverInfo),
 mPersistentIPCheckBox(nullptr),
 mDownloadProgress(-1.0F),
 mDownloadStatus(ServerDialogDownloadStatus::UNKNOWN)
{
 if (isSafeMode)
 {
 // TRANSLATORS: servers dialog name
 setCaption(_("Choose Your Server *** SAFE MODE ***"));
 }
#ifdef USE_OPENGL
 else if (config.getIntValue("opengl") == RENDER_SOFTWARE)
 {
 // TRANSLATORS: servers dialog name
 setCaption(_("Choose Your Server *** SOFTWARE RENDER MODE ***"));
 }
#endif // USE_OPENGL
 
 setWindowName("ServerDialog");
 
 setCloseButton(true);
 
 mPersistentIPCheckBox = new CheckBox(this,
 // TRANSLATORS: servers dialog checkbox
 _("Use same ip for game sub servers"),
 config.getBoolValue("usePersistentIP"),
 this, "persitent ip");
 
 loadCustomServers();
 
 mServersList->addMouseListener(this);
 
 ScrollArea *const usedScroll = new ScrollArea(this, mServersList,
 fromBool(getOptionBool("showbackground", false), Opaque),
 "server_background.xml");
 usedScroll->setHorizontalScrollPolicy(ScrollArea::SHOW_NEVER);
 
 mServersList->addSelectionListener(this);
 usedScroll->setVerticalScrollAmount(0);
 
 place(0, 0, usedScroll, 8, 5).setPadding(3);
 place(0, 5, mDescription, 8, 1);
 place(0, 6, mPersistentIPCheckBox, 8, 1);
 place(0, 7, mInfoButton, 1, 1);
 place(1, 7, mAddEntryButton, 1, 1);
 place(2, 7, mEditEntryButton, 1, 1);
 place(3, 7, mLoadButton, 1, 1);
 place(4, 7, mDeleteButton, 1, 1);
 place(6, 7, mQuitButton, 1, 1);
 place(7, 7, mConnectButton, 1, 1);
 
 // Make sure the list has enough height
 getLayout().setRowHeight(0, 80);
 
 // Do this manually instead of calling reflowLayout so we can enforce a
 // minimum width.
 int width = 500;
 int height = 350;
 
 getLayout().reflow(width, height);
 setContentSize(width, height);
 
 setMinWidth(310);
 setMinHeight(220);
 setDefaultSize(getWidth(), getHeight(), ImagePosition::CENTER, 0, 0);
 
 setResizable(true);
 addKeyListener(this);
 
 loadWindowState();
}
 
void ServerDialog::postInit()
{
 Window::postInit();
 setVisible(Visible_true);
 
 mConnectButton->requestFocus();
 
 loadServers(true);
 
 mServersList->setSelected(0); // Do this after for the Delete button
 
 if (needUpdateServers())
 downloadServerList();
 else
 logger->log("Skipping servers list update");
}
 
ServerDialog::~ServerDialog()
{
 if (mDownload != nullptr)
 {
 mDownload->cancel();
 delete2(mDownload)
 }
 delete2(mServersListModel)
}
 
void ServerDialog::connectToSelectedServer()
{
 if (client->getState() == State::CONNECT_SERVER)
 return;
 
 const int index = mServersList->getSelected();
 if (index < 0)
 return;
 
 if (mDownload != nullptr)
 mDownload->cancel();
 
 mQuitButton->setEnabled(false);
 mConnectButton->setEnabled(false);
 mLoadButton->setEnabled(false);
 
 ServerInfo server = mServers.at(index);
 mServerInfo->hostname = server.hostname;
 mServerInfo->althostname = server.althostname;
 mServerInfo->port = server.port;
 mServerInfo->type = server.type;
 mServerInfo->name = server.name;
 mServerInfo->description = server.description;
 mServerInfo->registerUrl = server.registerUrl;
 mServerInfo->onlineListUrl = server.onlineListUrl;
 mServerInfo->supportUrl = server.supportUrl;
 mServerInfo->defaultHostName = server.defaultHostName;
 mServerInfo->save = true;
 mServerInfo->persistentIp = server.persistentIp;
 mServerInfo->freeType = server.freeType;
 mServerInfo->updateMirrors = server.updateMirrors;
 mServerInfo->packetVersion = server.packetVersion;
 mServerInfo->updateHosts = server.updateHosts;
 mServerInfo->freeSources = server.freeSources;
 mServerInfo->nonFreeSources = server.nonFreeSources;
 mServerInfo->docs = server.docs;
 mServerInfo->serverUrl = server.serverUrl;
 
 settings.persistentIp = mServerInfo->persistentIp;
 settings.supportUrl = mServerInfo->supportUrl;
 settings.updateMirrors = mServerInfo->updateMirrors;
 
 if (chatLogger != nullptr)
 chatLogger->setServerName(mServerInfo->hostname);
 
 saveCustomServers(*mServerInfo,
 -1);
 
 if (!LoginDialog::savedPasswordKey.empty())
 {
 if (mServerInfo->hostname != LoginDialog::savedPasswordKey)
 {
 LoginDialog::savedPassword.clear();
 if (desktop != nullptr)
 desktop->reloadWallpaper();
 }
 }
 
 config.setValue("usePersistentIP",
 mPersistentIPCheckBox->isSelected());
 client->setState(State::CONNECT_SERVER);
}
 
void ServerDialog::action(const ActionEvent &event)
{
 const std::string &eventId = event.getId();
 if (eventId == "connect")
 {
 connectToSelectedServer();
 }
 else if (eventId == "quit")
 {
 close();
 }
 else if (eventId == "load")
 {
 downloadServerList();
 }
 else if (eventId == "addEntry")
 {
 CREATEWIDGET(EditServerDialog, this, ServerInfo(), -1);
 }
 else if (eventId == "editEntry")
 {
 const int index = mServersList->getSelected();
 if (index >= 0)
 {
 CREATEWIDGET(EditServerDialog,
 this,
 mServers.at(index),
 index);
 }
 }
 else if (eventId == "remove")
 {
 const int index = mServersList->getSelected();
 if (index >= 0)
 {
 mServersList->setSelected(0);
 mServers.erase(mServers.begin() + index);
 saveCustomServers(ServerInfo(),
 -1);
 }
 }
 else if (eventId == "info")
 {
 const int index = mServersList->getSelected();
 if (index >= 0)
 {
 if (serverInfoWindow != nullptr)
 serverInfoWindow->scheduleDelete();
 serverInfoWindow = CREATEWIDGETR(ServerInfoWindow,
 mServers.at(index));
 }
 }
}
 
void ServerDialog::keyPressed(KeyEvent &event)
{
 PRAGMA45(GCC diagnostic push)
 PRAGMA45(GCC diagnostic ignored "-Wswitch-enum")
 switch (event.getActionId())
 {
 case InputAction::GUI_CANCEL:
 event.consume();
 client->setState(State::EXIT);
 return;
 
 case InputAction::GUI_SELECT:
 case InputAction::GUI_SELECT2:
 event.consume();
 action(ActionEvent(nullptr,
 mConnectButton->getActionEventId()));
 return;
 
 case InputAction::GUI_INSERT:
 CREATEWIDGET(EditServerDialog, this, ServerInfo(), -1);
 return;
 
 case InputAction::GUI_DELETE:
 {
 const int index = mServersList->getSelected();
 if (index >= 0)
 {
 mServersList->setSelected(0);
 mServers.erase(mServers.begin() + index);
 saveCustomServers(ServerInfo(),
 -1);
 }
 return;
 }
 
 case InputAction::GUI_BACKSPACE:
 {
 const int index = mServersList->getSelected();
 if (index >= 0)
 {
 CREATEWIDGET(EditServerDialog, this, mServers.at(index),
 index);
 }
 return;
 }
 
 default:
 break;
 }
 PRAGMA45(GCC diagnostic pop)
 if (!event.isConsumed())
 mServersList->keyPressed(event);
}
 
void ServerDialog::valueChanged(const SelectionEvent &event A_UNUSED)
{
 const int index = mServersList->getSelected();
 if (index == -1)
 {
 mDeleteButton->setEnabled(false);
 return;
 }
 mDeleteButton->setEnabled(true);
}
 
void ServerDialog::mouseClicked(MouseEvent &event)
{
 if (event.getButton() == MouseButton::LEFT)
 {
 event.consume();
 if (event.getClickCount() == 2 &&
 event.getSource() == mServersList)
 {
 action(ActionEvent(mConnectButton,
 mConnectButton->getActionEventId()));
 }
 }
}
 
void ServerDialog::logic()
{
 BLOCK_START("ServerDialog::logic")
 {
 MutexLocker tempLock(&mMutex);
 if (mDownloadStatus == ServerDialogDownloadStatus::COMPLETE)
 {
 loadServers(true);
 mDownloadStatus = ServerDialogDownloadStatus::OVER;
 mDescription->setCaption(std::string());
 logger->log("Servers list updated");
 }
 else if (mDownloadStatus == ServerDialogDownloadStatus::IN_PROGRESS)
 {
 // TRANSLATORS: servers dialog label
 mDescription->setCaption(strprintf(_("Downloading server list..."
 "%2.2f%%"), static_cast<double>(mDownloadProgress * 100)));
 }
 else if (mDownloadStatus == ServerDialogDownloadStatus::IDLE)
 {
 // TRANSLATORS: servers dialog label
 mDescription->setCaption(_("Waiting for server..."));
 }
 else if (mDownloadStatus == ServerDialogDownloadStatus::PREPARING)
 {
 // TRANSLATORS: servers dialog label
 mDescription->setCaption(_("Preparing download"));
 }
 else if (mDownloadStatus == ServerDialogDownloadStatus::ERROR)
 {
 // TRANSLATORS: servers dialog label
 mDescription->setCaption(_("Error retreiving server list!"));
 logger->log("Error: servers list updating error");
 }
 }
 
 Window::logic();
 BLOCK_END("ServerDialog::logic")
}
 
void ServerDialog::downloadServerList()
{
 // Try to load the configuration value for the onlineServerList
 std::string listFile = branding.getStringValue("onlineServerList");
 std::string listFile2 = branding.getStringValue("onlineServerList2");
 
 // Fall back to manaplus.org when neither branding
 // nor config set it
 if (listFile.empty())
 listFile = "http://manaplus.org/serverlist.xml";
 
 if (mDownload != nullptr)
 {
 mDownload->cancel();
 delete2(mDownload)
 }
 
 mDownload = new Net::Download(this, listFile,
 &downloadUpdate, false, false, true);
 mDownload->setFile(pathJoin(mDir,
 branding.getStringValue("onlineServerFile")),
 -1);
 if (!listFile2.empty())
 mDownload->addMirror(listFile2);
 mDownload->start();
 
 config.setValue("serverslistupdate", getDateString());
}
 
static void loadHostsGroup(XmlNodeConstPtr node,
 ServerInfo &server)
{
 HostsGroup group;
 group.name = XML::langProperty(node,
 "name",
 // TRANSLATORS: unknown hosts group name
 _("Unknown"));
 for_each_xml_child_node(hostNode, node)
 {
 if (!xmlNameEqual(hostNode, "host") ||
 !XmlHaveChildContent(hostNode))
 {
 continue;
 }
 const std::string host = XmlChildContent(hostNode);
 if (host.empty())
 continue;
 if (!checkPath(host))
 {
 logger->log1("Warning: incorrect update server name");
 continue;
 }
 
 group.hosts.push_back(host);
 }
 if (!group.hosts.empty())
 server.updateHosts.push_back(group);
}
 
static void loadServerSourcesList(XmlNodeConstPtr node,
 STD_VECTOR<ServerUrlInfo> &list)
{
 for_each_xml_child_node(urlNode, node)
 {
 if (!xmlNameEqual(urlNode, "url") ||
 !XmlHaveChildContent(urlNode))
 {
 continue;
 }
 const std::string name = XML::langProperty(urlNode,
 "name",
 "");
 if (name.empty())
 continue;
 const std::string url = XmlChildContent(urlNode);
 if (url.empty())
 continue;
 list.push_back(ServerUrlInfo(name, url));
 }
}
 
static void loadServerSources(XmlNodeConstPtr node,
 ServerInfo &server)
{
 for_each_xml_child_node(subNode, node)
 {
 if (xmlNameEqual(subNode, "free"))
 {
 loadServerSourcesList(subNode, server.freeSources);
 }
 else if (xmlNameEqual(subNode, "nonfree"))
 {
 loadServerSourcesList(subNode, server.nonFreeSources);
 }
 }
}
 
void ServerDialog::loadServers(const bool addNew)
{
 XML::Document doc(pathJoin(mDir,
 branding.getStringValue("onlineServerFile")),
 UseVirtFs_false,
 SkipError_true);
 XmlNodeConstPtr rootNode = doc.rootNode();
 
 if (rootNode == nullptr ||
 !xmlNameEqual(rootNode, "serverlist"))
 {
 logger->log1("Error loading server list!");
 return;
 }
 
 const int ver = XML::getProperty(rootNode, "version", 0);
 if (ver != 1)
 {
 logger->log("Error: unsupported online server list version: %d",
 ver);
 return;
 }
 
 const std::string lang = getLangShort();
 const std::string description2("description_" + lang);
 
 for_each_xml_child_node(serverNode, rootNode)
 {
 if (!xmlNameEqual(serverNode, "server"))
 continue;
 
 const std::string type = XML::getProperty(
 serverNode, "type", "unknown");
 ServerInfo server;
 server.type = ServerInfo::parseType(type);
 const std::string licenseType = XML::getProperty(
 serverNode, "licenseType", "notset");
 server.freeType = ServerInfo::parseFreeType(licenseType);
 
 // Ignore unknown server types
 if (server.type == ServerType::UNKNOWN)
 {
 logger->log("Ignoring server entry with unknown type: %s",
 type.c_str());
 continue;
 }
 
 server.name = XML::getProperty(serverNode, "name", std::string());
 std::string version = XML::getProperty(serverNode, "minimumVersion",
 std::string());
 
 const bool meetsMinimumVersion = (compareStrI(version, SMALL_VERSION)
 <= 0);
 
 // For display in the list
 if (meetsMinimumVersion)
 version.clear();
 else if (version.empty())
 {
 // TRANSLATORS: servers dialog label
 version = _("requires a newer version");
 }
 else
 {
 // TRANSLATORS: servers dialog label
 version = strprintf(_("requires v%s"), version.c_str());
 }
 
 const Font *const font = gui->getFont();
 
 for_each_xml_child_node(subNode, serverNode)
 {
 if (xmlNameEqual(subNode, "connection"))
 {
 server.hostname = XML::getProperty(subNode, "hostname", "");
 server.althostname = XML::getProperty(
 subNode, "althostname", "");
 server.port = CAST_U16(
 XML::getProperty(subNode, "port", 0));
 server.packetVersion = XML::getProperty(subNode,
 "packetVersion", 0);
 
 if (server.port == 0)
 {
 // If no port is given, use the default for the given type
 server.port = defaultPortForServerType(server.type);
 }
 }
 else if (XmlHaveChildContent(subNode))
 {
 if ((xmlNameEqual(subNode, "description")
 && server.description.empty()) || (!lang.empty()
 && xmlNameEqual(subNode, description2.c_str())))
 {
 server.description = XmlChildContent(subNode);
 }
 else if (xmlNameEqual(subNode, "registerurl"))
 {
 server.registerUrl = XmlChildContent(subNode);
 }
 else if (xmlNameEqual(subNode, "onlineListUrl"))
 {
 server.onlineListUrl = XmlChildContent(subNode);
 }
 else if (xmlNameEqual(subNode, "support"))
 {
 server.supportUrl = XmlChildContent(subNode);
 }
 else if (xmlNameEqual(subNode, "persistentIp"))
 {
 std::string text = XmlChildContent(subNode);
 server.persistentIp = (text == "1" || text == "true");
 }
 else if (xmlNameEqual(subNode, "updateMirror"))
 {
 server.updateMirrors.push_back(XmlChildContent(subNode));
 }
 else if (xmlNameEqual(subNode, "site"))
 {
 server.serverUrl = XmlChildContent(subNode);
 }
 }
 if (xmlNameEqual(subNode, "updates"))
 {
 loadHostsGroup(subNode, server);
 }
 else if (xmlNameEqual(subNode, "defaultUpdateHost"))
 {
 server.defaultHostName = XML::langProperty(
 // TRANSLATORS: default hosts group name
 subNode, "name", _("default"));
 }
 else if (xmlNameEqual(subNode, "sources"))
 {
 loadServerSources(subNode, server);
 }
 else if (xmlNameEqual(subNode, "docs"))
 {
 loadServerSourcesList(subNode, server.docs);
 }
 }
 
 server.version.first = font->getWidth(version);
 server.version.second = version;
 
 MutexLocker tempLock(&mMutex);
 // Add the server to the local list if it's not already present
 bool found = false;
 for (unsigned int i = 0, fsz = CAST_U32(
 mServers.size()); i < fsz; i++)
 {
 if (mServers[i] == server)
 {
 // Use the name listed in the server list
 mServers[i].name = server.name;
 mServers[i].type = server.type;
 mServers[i].freeType = server.freeType;
 mServers[i].version = server.version;
 mServers[i].description = server.description;
 mServers[i].registerUrl = server.registerUrl;
 mServers[i].onlineListUrl = server.onlineListUrl;
 mServers[i].supportUrl = server.supportUrl;
 mServers[i].serverUrl = server.serverUrl;
 mServers[i].althostname = server.althostname;
 mServers[i].persistentIp = server.persistentIp;
 mServers[i].updateMirrors = server.updateMirrors;
 mServers[i].defaultHostName = server.defaultHostName;
 mServers[i].updateHosts = server.updateHosts;
 mServers[i].packetVersion = server.packetVersion;
 mServers[i].freeSources = server.freeSources;
 mServers[i].nonFreeSources = server.nonFreeSources;
 mServers[i].docs = server.docs;
 mServersListModel->setVersionString(i, version);
 found = true;
 break;
 }
 }
 if (!found && addNew)
 mServers.push_back(server);
 }
 if (mServersList->getSelected() < 0)
 mServersList->setSelected(0);
}
 
void ServerDialog::loadCustomServers()
{
 for (int i = 0; i < MAX_SERVERLIST; ++i)
 {
 const std::string index = toString(i);
 const std::string nameKey("MostUsedServerDescName" + index);
 const std::string descKey("MostUsedServerDescription" + index);
 const std::string hostKey("MostUsedServerName" + index);
 const std::string typeKey("MostUsedServerType" + index);
 const std::string portKey("MostUsedServerPort" + index);
 const std::string onlineListUrlKey
 ("MostUsedServerOnlineList" + index);
 const std::string persistentIpKey("persistentIp" + index);
 const std::string packetVersionKey
 ("MostUsedServerPacketVersion" + index);
 
 ServerInfo server;
 server.name = config.getValue(nameKey, "");
 server.description = config.getValue(descKey, "");
 server.onlineListUrl = config.getValue(onlineListUrlKey, "");
 server.hostname = config.getValue(hostKey, "");
 server.type = ServerInfo::parseType(config.getValue(typeKey, ""));
 server.persistentIp = config.getValue(
 persistentIpKey, 0) != 0 ? true : false;
 server.packetVersion = config.getValue(packetVersionKey, 0);
 
 const int defaultPort = defaultPortForServerType(server.type);
 server.port = CAST_U16(
 config.getValue(portKey, defaultPort));
 
 // skip invalid server
 if (!server.isValid())
 continue;
 
 server.save = true;
 mServers.push_back(server);
 }
}
 
void ServerDialog::saveCustomServers(const ServerInfo &currentServer,
 const int index)
{
 // Make sure the current server is mentioned first
 if (currentServer.isValid())
 {
 if (index >= 0 && CAST_SIZE(index) < mServers.size())
 {
 mServers[index] = currentServer;
 }
 else
 {
 FOR_EACH (ServerInfos::iterator, i, mServers)
 {
 if (*i == currentServer)
 {
 mServers.erase(i);
 break;
 }
 }
 mServers.insert(mServers.begin(), currentServer);
 }
 }
 
 int savedServerCount = 0;
 
 for (unsigned i = 0, fsz = CAST_U32(mServers.size());
 i < fsz && savedServerCount < MAX_SERVERLIST; ++ i)
 {
 const ServerInfo &server = mServers.at(i);
 
 // Only save servers that were loaded from settings
 if (!(server.save && server.isValid()))
 continue;
 
 const std::string num = toString(savedServerCount);
 const std::string nameKey("MostUsedServerDescName" + num);
 const std::string descKey("MostUsedServerDescription" + num);
 const std::string hostKey("MostUsedServerName" + num);
 const std::string typeKey("MostUsedServerType" + num);
 const std::string portKey("MostUsedServerPort" + num);
 const std::string onlineListUrlKey
 ("MostUsedServerOnlineList" + num);
 const std::string persistentIpKey("persistentIp" + num);
 const std::string packetVersionKey
 ("MostUsedServerPacketVersion" + num);
 
 config.setValue(nameKey, server.name);
 config.setValue(descKey, server.description);
 config.setValue(onlineListUrlKey, server.onlineListUrl);
 config.setValue(hostKey, server.hostname);
 config.setValue(typeKey, serverTypeToString(server.type));
 config.setValue(portKey, toString(server.port));
 config.setValue(persistentIpKey, server.persistentIp);
 config.setValue(packetVersionKey, server.packetVersion);
 ++ savedServerCount;
 }
 
 // Insert an invalid entry at the end to make the loading stop there
 if (savedServerCount < MAX_SERVERLIST)
 config.setValue("MostUsedServerName" + toString(savedServerCount), "");
}
 
int ServerDialog::downloadUpdate(void *ptr,
 const DownloadStatusT status,
 size_t total,
 const size_t remaining)
{
 if ((ptr == nullptr) || status == DownloadStatus::Cancelled)
 return -1;
 
 ServerDialog *const sd = reinterpret_cast<ServerDialog*>(ptr);
 bool finished = false;
 
 if (sd->mDownload == nullptr)
 return -1;
 
 if (status == DownloadStatus::Complete)
 {
 finished = true;
 }
 else if (CAST_S32(status) < 0)
 {
 logger->log("Error retreiving server list: %s\n",
 sd->mDownload->getError());
 sd->mDownloadStatus = ServerDialogDownloadStatus::ERROR;
 }
 else
 {
 float progress = static_cast<float>(remaining);
 if (total != 0U)
 progress /= static_cast<float>(total);
 
 if (progress != progress || progress < 0.0F)
 progress = 0.0F;
 else if (progress > 1.0F)
 progress = 1.0F;
 
 MutexLocker lock1(&sd->mMutex);
 sd->mDownloadStatus = ServerDialogDownloadStatus::IN_PROGRESS;
 sd->mDownloadProgress = progress;
 }
 
 if (finished)
 {
 MutexLocker lock1(&sd->mMutex);
 sd->mDownloadStatus = ServerDialogDownloadStatus::COMPLETE;
 }
 
 return 0;
}
 
void ServerDialog::updateServer(const ServerInfo &server, const int index)
{
 saveCustomServers(server, index);
}
 
bool ServerDialog::needUpdateServers() const
{
 if (mServers.empty() || config.getStringValue("serverslistupdate")
 != getDateString())
 {
 return true;
 }
 
 return false;
}
 
void ServerDialog::close()
{
 if (mDownload != nullptr)
 mDownload->cancel();
 client->setState(State::FORCE_QUIT);
 Window::close();
}