1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
#include <QtCore/QCoreApplication>
#include <QtCore/QCommandLineParser>
#include <QtCore/QCommandLineOption>
#include <QNetworkInterface>
#include <QApplication>
#include <QMessageBox>
#include "Server_ws.h"
#include <iostream>
EchoServer::EchoServer(quint16 port) :
QObject(),
m_pWebSocketServer(new QWebSocketServer(QStringLiteral("Echo Server"),
QWebSocketServer::NonSecureMode, this))
{
if (m_pWebSocketServer->listen(QHostAddress::Any, port)) {
connect(m_pWebSocketServer, &QWebSocketServer::newConnection,
this, &EchoServer::onNewConnection);
connect(m_pWebSocketServer, &QWebSocketServer::closed, this, &EchoServer::closed);
}
QHostAddress local_host("0.0.0.0");
//to avoid printing 127.0.0.1. Not really sure it won't ever print the external ipv4 though.
const QHostAddress &localhost = QHostAddress(QHostAddress::LocalHost);
for (const QHostAddress &address: QNetworkInterface::allAddresses()) {
if (address.protocol() == QAbstractSocket::IPv4Protocol && address != localhost)
{
local_host= address;
break;
}
}
QMessageBox mb(QMessageBox::NoIcon, "WS Server",
tr("WebSockets Server started.\nEnter the following address in\nyour Network Preferences to be able to join it :\n"
"ws://%1:%2").arg(local_host.toString()).arg(port), QMessageBox::Ok);
mb.setTextInteractionFlags(Qt::TextSelectableByMouse);
mb.exec();
}
EchoServer::~EchoServer()
{
m_pWebSocketServer->close();
qDeleteAll(m_clients.begin(), m_clients.end());
}
void EchoServer::onNewConnection()
{
QWebSocket *pSocket = m_pWebSocketServer->nextPendingConnection();
connect(pSocket, &QWebSocket::textMessageReceived, this, &EchoServer::processTextMessage);
connect(pSocket, &QWebSocket::binaryMessageReceived, this, &EchoServer::processBinaryMessage);
connect(pSocket, &QWebSocket::disconnected, this, &EchoServer::socketDisconnected);
m_clients << pSocket;
}
void EchoServer::processTextMessage(QString message)
{
QWebSocket *pClient = qobject_cast<QWebSocket *>(sender());
for(auto *client : m_clients) {
if(client != pClient)
client->sendTextMessage(message);
}
}
void EchoServer::processBinaryMessage(QByteArray message)
{
QWebSocket *pClient = qobject_cast<QWebSocket *>(sender());
if (pClient) {
pClient->sendBinaryMessage(message);
}
}
void EchoServer::socketDisconnected()
{
QWebSocket *pClient = qobject_cast<QWebSocket *>(sender());
if (pClient) {
m_clients.removeAll(pClient);
pClient->deleteLater();
}
}
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
QCommandLineParser parser;
parser.setApplicationDescription("WS Server");
parser.addHelpOption();
QCommandLineOption portOption(QStringList() << "p" << "port",
QCoreApplication::translate("main", "Port for echoserver [default: 1234]."),
QCoreApplication::translate("main", "port"), QLatin1String("1234"));
parser.addOption(portOption);
parser.process(a);
int port = parser.value(portOption).toInt();
EchoServer *server = new EchoServer(port);
QObject::connect(server, &EchoServer::closed, &a, &QCoreApplication::quit);
return a.exec();
}
|
