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147 lines
2.9 KiB
C++
147 lines
2.9 KiB
C++
#include "modulewifi.h"
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#include <QDebug>
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#include <cstdlib>
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#include <QFile>
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ModuleWifi::ModuleWifi(QObject *parent) : QObject(parent)
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{
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pWifi = new WifiDisConnected();
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state = false;
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QTimer::singleShot(1000, this, SLOT(onTimerTimeOutCheck()));
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}
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ModuleWifi::~ModuleWifi()
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{
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qDebug("~ModuleWifi");
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delete pWifi;
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}
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bool ModuleWifi::isConnected()
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{
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return pWifi->state();
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}
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int ModuleWifi::getquality()
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{
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int wifiquality;
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wifiquality = pWifi->quality();
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return wifiquality;
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}
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void ModuleWifi::onConnect(QString name, QString passwd)
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{
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if(this->name == name && this->passwd == passwd){
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if(pWifi->state()){
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return;
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}
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}
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this->name = name ;
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this->passwd = passwd;
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delete pWifi;
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pWifi = new WifiConnecting();
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pWifi->connect(name, passwd);
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}
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void ModuleWifi::onDisconnect()
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{
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qDebug("onDisconnect");
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if(!pWifi->state()){
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return;
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}
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delete pWifi;
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pWifi = new WifiDisConnected();
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pWifi->disconnect();
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}
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void ModuleWifi::onTimerTimeOutCheck()
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{
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pWifi = pWifi->run(pWifi);
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if(pWifi->state() != state){
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state = pWifi->state();
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emit sigStateChanged(state);
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}
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QTimer::singleShot(1000, this, SLOT(onTimerTimeOutCheck()));
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}
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WifiBase* WifiDisConnected::run(WifiBase* p)
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{
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qDebug("WifiDisConnected::run");
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return p;
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}
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WifiBase* WifiConnecting::run(WifiBase* p)
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{
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qDebug("WifiConnecting::run");
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if(connectCheck()){
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delete p;
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p = new WifiConnected();
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}
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return p;
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}
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WifiBase* WifiConnected::run(WifiBase* p)
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{
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qDebug("WifiConnected::run");
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if(!connectCheck()){
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delete p;
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p = new WifiDisConnected();
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}
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return p;
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}
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void WifiBase::connect(QString name, QString passwd)
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{
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//TODO: 连接WIFI
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qDebug() << QString("connect: %1, %2").arg(name).arg(passwd);
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/*wifi连接*/
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std::system("timeout 12s nohup /usr/sbin/wpa_supplicant -Dnl80211 -imlan0 -c /etc/sta.conf -B");
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std::system("udhcpc -i mlan0 &");
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}
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void WifiBase::disconnect()
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{
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//TODO:断开WIFI
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qDebug("disconnect");
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std::system("killall wpa_supplicant");
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}
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bool WifiBase::connectCheck()
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{
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QString wifi_quality;
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bool rtn = false;
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std::system("iwconfig mlan0 | grep -i quality >/home/data/wlxx_wifi_quality");
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QFile file_read("/home/data/wlxx_wifi_quality");
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if(file_read.open(QIODevice::ReadOnly | QIODevice::Text))
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{
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QTextStream in(&file_read);//创建一个对象让它去读文件
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QString line_wifi_quality=in.readLine();
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wifi_quality = line_wifi_quality.mid(23, 1);//获取质量
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if((wifi_quality=="0")|(wifi_quality==""))//WIFI断网
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{
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quality_val = 0;
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rtn = false;
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}
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else
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{
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quality_val = wifi_quality.toInt();
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rtn = true;
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}
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}
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file_read.close();
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return rtn;
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}
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int WifiBase::quality()
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{
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return quality_val;
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}
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