ShatteredPrism/launcher/launch/steps/PrintServers.cpp
leia uwu c1d0560524
perf: print api servers asynchronously on instance launch
Doing this on the main thread can cause the launcher to freeze for up to
5 seconds when launching an instance on my system
so i moved it to a launch step where it gets all the servers info
asynchronously to print

Signed-off-by: leia uwu <leia@tutamail.com>
2024-06-20 17:58:00 -03:00

66 lines
1.9 KiB
C++

// SPDX-License-Identifier: GPL-3.0-only
/*
* Prism Launcher - Minecraft Launcher
* Copyright (c) 2024 Leia uwu <leia@tutamail.com>
*
* 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, version 3.
*
* 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 <https://www.gnu.org/licenses/>.
*/
#include "PrintServers.h"
#include "QHostInfo"
PrintServers::PrintServers(LaunchTask* parent, const QStringList& servers) : LaunchStep(parent)
{
m_servers = servers;
}
void PrintServers::executeTask()
{
for (QString server : m_servers) {
QHostInfo::lookupHost(server, this, &PrintServers::resolveServer);
}
}
void PrintServers::resolveServer(const QHostInfo& host_info)
{
QString server = host_info.hostName();
QString addresses = server + " resolves to:\n [";
if (!host_info.addresses().isEmpty()) {
for (QHostAddress address : host_info.addresses()) {
addresses += address.toString();
if (!host_info.addresses().endsWith(address)) {
addresses += ", ";
}
}
} else {
addresses += "N/A";
}
addresses += "]\n\n";
m_server_to_address.insert(server, addresses);
// print server info in order once all servers are resolved
if (m_server_to_address.size() >= m_servers.size()) {
for (QString serv : m_servers) {
emit logLine(m_server_to_address.value(serv), MessageLevel::Launcher);
}
emitSucceeded();
}
}
bool PrintServers::canAbort() const
{
return true;
}