QWebSocketServer仍在连接

QWebSocketServer still connecting

本文关键字:连接 QWebSocketServer      更新时间:2023-10-16

我正在编写一个简单的服务器,通过QWebSocketServer将一些数据传递给javascript(基本上与qt-doc相同…)

请看一下这里:

void DebuggerServer::onNewConnection() {
    puts("C");
    QWebSocket *pSocket = m_pWebSocketServer->nextPendingConnection();
    connect(pSocket, &QWebSocket::textMessageReceived, this, &DebuggerServer::processMessage);
    connect(pSocket, &QWebSocket::disconnected, this, &DebuggerServer::socketDisconnected);
    printf("onNewConnection");
    m_clients << pSocket;
}

我试着在这里puts("C");,但一无所获。

在我的浏览器(chrome的最新版本)中,如果我向服务器发送请求,我会得到一些信息,比如socket是否正在连接

我尝试过这些事情:关闭防火墙,更改端口,更改浏览器,更改编译模式。

我不确定这是否涉及这个问题,我正在通过msvc15和手动moc头编译这些代码。

此代码由加载库注入到其他应用程序中。

下面是服务器的完整源代码。。。

服务器.cpp

#include "Server.h"
#include "Inspector.h"
#include "Server.moc"
#include <QtCore/QCoreApplication>
const int port = 5642;
DebuggerServer *server;
void StartServer() {
    server = new DebuggerServer(port);
}
QT_USE_NAMESPACE
DebuggerServer::DebuggerServer(quint16 port, QObject *parent) :
    QObject(parent),
    m_pWebSocketServer(Q_NULLPTR),
    m_clients()
{
    m_pWebSocketServer = new QWebSocketServer(QStringLiteral("mvInspector"),
        QWebSocketServer::NonSecureMode,
        this);
    puts("A");
    if (m_pWebSocketServer->listen(QHostAddress::Any, port))
    {
        puts("B");
        connect(m_pWebSocketServer, &QWebSocketServer::newConnection,
            this, &DebuggerServer::onNewConnection);
    }
}

DebuggerServer::~DebuggerServer() {
    m_pWebSocketServer->close();
    qDeleteAll(m_clients.begin(), m_clients.end());
}
template<class T>
QString toStr(QList<T> y) {
    QString rst;
    for (T x : y)
        rst += "n" + QString(x);
    return rst;
}
#define ASSERT_N(x) if (frame.length() != x) rst = "ERRON, wrong number of arguments."; else
void DebuggerServer::processMessage(QString message) {
    QWebSocket *pSender = qobject_cast<QWebSocket *>(sender());
    QStringList frame = message.split("n");
    QString rst;
    rst += frame[0];
    if (frame[0] == "getRootWindows") {
        ASSERT_N(1)
        rst += toStr(getRootWindows());
    }
    if (frame[0] == "getChildren") {
        ASSERT_N(2)
        rst += toStr(getChildren(frame[1].toInt()));
    }
    if (frame[0] == "getPropertyName") {
        ASSERT_N(2)
        rst += toStr(getPropertyName(frame[1].toInt()));
    }
    if (frame[0] == "getProperty") {
        ASSERT_N(3)
        rst += getProperty(frame[1].toInt(), frame[2].toStdString().c_str()).toBase64();
    }
    if (frame[0] == "getClassname") {
        ASSERT_N(2)
        rst += getClassname(frame[1].toInt());
    }
    if (frame[0] == "getClassname") {
        ASSERT_N(2)
        rst += getObjectname(frame[1].toInt());
    }
    printf(rst.toStdString().c_str());
    pSender->sendTextMessage(rst);
}
void DebuggerServer::socketDisconnected()
{
    QWebSocket *pClient = qobject_cast<QWebSocket *>(sender());
    if (pClient) {
        m_clients.removeAll(pClient);
        pClient->deleteLater();
    }
    printf("socketDisconnected");
}
void DebuggerServer::onNewConnection() {
    puts("C");
    QWebSocket *pSocket = m_pWebSocketServer->nextPendingConnection();
    connect(pSocket, &QWebSocket::textMessageReceived, this, &DebuggerServer::processMessage);
    connect(pSocket, &QWebSocket::disconnected, this, &DebuggerServer::socketDisconnected);
    printf("onNewConnection");
    m_clients << pSocket;
}

服务器.h

#pragma once
#include <QtCore/qobject.h>
#include <QtWebSockets/qwebsocketserver>
#include <QtWebSockets/QWebSocket>
void StartServer();
class DebuggerServer : public QObject {
    Q_OBJECT
public:
    explicit DebuggerServer(quint16 port, QObject *parent = Q_NULLPTR);
    virtual ~DebuggerServer();
private Q_SLOTS:
    void onNewConnection();
    void processMessage(QString message);
    void socketDisconnected();
private:
    QWebSocketServer *m_pWebSocketServer;
    QList<QWebSocket *> m_clients;
};

DLL主

#include <Windows.h>
#include "../Server.h"
BOOL APIENTRY DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved){
    switch (ul_reason_for_call) {
    case DLL_PROCESS_ATTACH:
        StartServer();
        break;
    case DLL_PROCESS_DETACH:
        break;
    case DLL_THREAD_ATTACH:
        break;
    case DLL_THREAD_DETACH:
        break;
    }
    return TRUE;
}

最后,它似乎是Qt 5.4.1的一个bug,至少在windows 10(msvc)上是这样。

我可以让两个Qt应用程序通过websocket连接,但不能让At应用程序与普通浏览器连接。

因此,我使用了另一个websocket库,并重复了原来的Qt websocket。