C++ 连接到推送服务的Qt腹板箱
我有一个javascript片段,它连接到我需要转换为c的pusher服务++C++ 连接到推送服务的Qt腹板箱,c++,qt,websocket,pusher,C++,Qt,Websocket,Pusher,我有一个javascript片段,它连接到我需要转换为c的pusher服务++ <script src="//js.pusher.com/2.2/pusher.min.js" type="text/javascript"></script> <script type="text/javascript"> var pusher = new Pusher("cb65d0a7a72cd94adf1f"); var channel = pusher.subscribe
<script src="//js.pusher.com/2.2/pusher.min.js" type="text/javascript"></script>
<script type="text/javascript">
var pusher = new Pusher("cb65d0a7a72cd94adf1f");
var channel = pusher.subscribe("ticker.155");
channel.bind("message", function(data) {
//console.log(data);
var topbuy = data.trade.topbuy;
var topsell = data.trade.topsell;
console.log("Buy Price: ", topbuy.price,
"Buy Quantity:", topbuy.quantity),
console.log("Sell Price: ", topsell.price,
"Sell Quantity:", topsell.quantity);
});
</script>
我可以打开连接包来了解发生了什么,但我似乎无法获得连接
socketclass.cpp
#include "socketclass.h"
socketClass::socketClass(QObject *parent) :
QObject(parent)
{
}
void socketClass::Test()
{
socket = new QTcpSocket(this);
connect(socket,SIGNAL(connected()), this, SLOT(connected()));
connect(socket,SIGNAL(disconnected()), this, SLOT(disconnected()));
connect(socket,SIGNAL(readyRead()), this, SLOT(readyRead()));
connect(socket,SIGNAL(bytesWritten(qint64)), this, SLOT(bytesWritten(qint64)));
qDebug() << "......Connecting";
socket->connectToHost("ws.pusherapp.com/app/cb65d0a7a72cd94adf1f?protocol=7&client=js&version=2.2.3&flash=false",80);
if(!socket->waitForConnected(1000))
{
qDebug() << "Error: " << socket->errorString();
}
}
void socketClass::connected()
{
//meat and potatoes goes here
qDebug() << "......Connected";
//socket->write("HEAD / HTTP/1.0\r\n\r\n\r\n");
socket->event();
}
void socketClass::disconnected()
{
qDebug() << "......Disconnected";
}
void socketClass::bytesWritten (qint64 bytes)
{
qDebug() << "We wrote: " << bytes;
}
void socketClass::readyRead()
{
qDebug() << "Reading..,,";
qDebug() << socket->readAll();
}
socketclass.h
#ifndef SOCKETCLASS_H
#define SOCKETCLASS_H
#include <QDebug>
#include <QObject>
#include <QTcpSocket>
#include <QAbstractSocket>
class socketClass : public QObject
{
Q_OBJECT
public:
explicit socketClass(QObject *parent = 0);
void Test();
signals:
public slots:
void connected();
void disconnected();
void bytesWritten (qint64 bytes);
void readyRead();
private:
QTcpSocket *socket;
};
#endif // SOCKETCLASS_H
main.cpp
#include <QCoreApplication>
#include "socketclass.h"
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
socketClass mTest;
mTest.Test();
return a.exec();
}
什么是我应该用C++连接的WebSoCube来模拟JavaScript的合适的连接参数?
我只是尝试接收股票代码数据并将其分配给一个对象或变量。我的Qt体验有点老,但从我看来,您不会得到信号,因为您没有运行事件循环。您不应该使用waitForConnected调用,您应该运行a.exec并让它处理泵送事件。唯一看起来奇怪的是,你调用waitForConnected,很可能得到一个错误,但仍然调用a.exec
但是在那之后不要收到信号,或者可能在失败后停止应用程序?我甚至无法建立基本连接。我还没有解决错误处理问题。您能更详细地解释一下您的响应吗?Qt需要一个线程来调度您连接插槽的信号,这就是调用a.exec时发生的情况,Qt在内部进入事件循环并开始泵送事件。在启动事件循环之前,不会传递任何信号,因此不会调用任何处理程序。这就是为什么建议删除“waitForConnected”调用并检查进入事件循环时发生的情况。事件Qt文档状态注意:此功能可能在Windows上随机失败。考虑使用事件循环和连接的信号,如果你的软件将在Windows上运行。