From 9f479b8f76238a03bce5d13aee14efd34e659c6e Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Sun, 30 Oct 2022 20:34:23 +0100
Subject: Clean up and modernize code

- static "new-style" signal->slot connections
- Fix a lot of things Clang-Tidy complained about
- Move includes to .cpp files and use forward decls in .h
- Don't use <QtWidgets> and <QtCore>, but specific includes instead
---
 src/client/net/serverdiscovery.cpp | 23 ++++++++++-------------
 1 file changed, 10 insertions(+), 13 deletions(-)

(limited to 'src/client/net/serverdiscovery.cpp')

diff --git a/src/client/net/serverdiscovery.cpp b/src/client/net/serverdiscovery.cpp
index b2d7605..efae165 100644
--- a/src/client/net/serverdiscovery.cpp
+++ b/src/client/net/serverdiscovery.cpp
@@ -4,8 +4,7 @@
 #include "../../shared/network.h"
 #include "../../shared/util.h"
 #include "serverdiscovery.h"
-#include <assert.h>
-
+#include "../util/util.h"
 
 /**
  * Ctor
@@ -21,33 +20,31 @@ ServerDiscovery::ServerDiscovery(QObject *parent)
 	/* Try to get a UDP port for server discovery */
 	int tries = 10;
 	while (tries-- != 0) {
-		quint16 port = quint16(16384 + qrand() % 32768);
+		quint16 port = quint16(16384 + slxrand() % 32768);
 		if (_discoverySocket.bind(QHostAddress::AnyIPv4, port))
 			break;
 		if (tries == 0)
 			qFatal("Could not bind to any UDP port for server discovery.");
 	}
 	// Handle incoming messages
-	connect(&_discoverySocket, SIGNAL(readyRead()), this, SLOT(onUdpReadyRead()));
+	connect(&_discoverySocket, &QUdpSocket::readyRead, this, &ServerDiscovery::onUdpReadyRead);
 
 	/* Setup the discovery timer */
 	_discoveryTimer.setInterval(_minDiscoveryInterval);
 	_discoveryTimer.setSingleShot(true);
 	//
-	connect(&_discoveryTimer, SIGNAL(timeout()), this, SLOT(doDiscovery()));
+	connect(&_discoveryTimer, &QTimer::timeout, this, &ServerDiscovery::doDiscovery);
 }
 
 /**
  * Dtor
  */
-ServerDiscovery::~ServerDiscovery()
-{
-}
+ServerDiscovery::~ServerDiscovery() = default;
 
 /**
  * @brief start
  */
-void ServerDiscovery::start(const QByteArray& sessionName, QString mgrIP)
+void ServerDiscovery::start(const QByteArray& sessionName, const QString& mgrIP)
 {
 	if (!mgrIP.isEmpty()) {
 		_mgrIP.setAddress(mgrIP);
@@ -98,8 +95,8 @@ void ServerDiscovery::doDiscovery()
 	if (_salt2.size() < SALT_LEN)
 		_salt2.resize(SALT_LEN);
 	for (int i = 0; i < SALT_LEN; ++i) {
-		salt1[i] = char(qrand() & 0xff);
-		_salt2[i] = char(qrand() & 0xff);
+		salt1[i] = char(slxrand() & 0xff);
+		_salt2[i] = char(slxrand() & 0xff);
 	}
 	_packet.reset();
 	_packet.setField(_HASH, genSha1(&_nameBytes, &salt1, &iplist));
@@ -141,7 +138,7 @@ void ServerDiscovery::onUdpReadyRead()
 {
 	char data[UDPBUFSIZ];
 	QHostAddress addr;
-	quint16 port;
+	quint16 peerPort;
 	while (_discoverySocket.hasPendingDatagrams()) {
 		// Discard any packets if discovery is stopped
 		if (!this->isActive()) {
@@ -149,7 +146,7 @@ void ServerDiscovery::onUdpReadyRead()
 			continue;
 		}
 
-		const qint64 size = _discoverySocket.readDatagram(data, UDPBUFSIZ, &addr, &port);
+		const qint64 size = _discoverySocket.readDatagram(data, UDPBUFSIZ, &addr, &peerPort);
 		if (size <= 0) //|| clientApp->connection() != nullptr) // TODO CHECK
 			continue;
 
-- 
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