chatserver.cpp Example File
chatserver-cpp/chatserver.cpp
#include "chatserver.h"
#include <QDebug>
#include <QTime>
#include <QTimer>
ChatServer::ChatServer(QObject *parent)
: QObject(parent)
{
QTimer *t = new QTimer(this);
connect(t, &QTimer::timeout, this, &ChatServer::sendKeepAlive);
t->start(10000);
m_keepAliveCheckTimer = new QTimer(this);
m_keepAliveCheckTimer->setSingleShot(true);
m_keepAliveCheckTimer->setInterval(2000);
connect(m_keepAliveCheckTimer, &QTimer::timeout, this, &ChatServer::checkKeepAliveResponses);
}
ChatServer::~ChatServer()
{}
bool ChatServer::login(const QString &userName)
{
if (m_keepAliveCheckTimer->isActive()) {
m_keepAliveCheckTimer->stop();
m_stillAliveUsers.clear();
}
if (m_userList.contains(userName)) {
return false;
}
qDebug() << "User logged in:" << userName;
m_userList.append(userName);
m_userList.sort();
emit userListChanged();
emit userCountChanged();
return true;
}
bool ChatServer::logout(const QString &userName)
{
if (!m_userList.contains(userName)) {
return false;
} else {
m_userList.removeAt(m_userList.indexOf(userName));
emit userListChanged();
emit userCountChanged();
return true;
}
}
bool ChatServer::sendMessage(const QString &user, const QString &msg)
{
if (m_userList.contains(user)) {
emit newMessage(QTime::currentTime().toString("HH:mm:ss"), user, msg);
return true;
} else {
return false;
}
}
void ChatServer::sendKeepAlive()
{
emit keepAlive();
m_keepAliveCheckTimer->start();
}
void ChatServer::checkKeepAliveResponses()
{
qDebug() << "Keep Alive Check" << m_stillAliveUsers;
m_userList = m_stillAliveUsers;
m_stillAliveUsers.clear();
m_userList.sort();
emit userListChanged();
}
void ChatServer::keepAliveResponse(const QString &user)
{
m_stillAliveUsers.append(user);
}
QStringList ChatServer::userList() const
{
return m_userList;
}