1*4882a593Smuzhiyun #include "iwatchdog.h"
2*4882a593Smuzhiyun #include <QTimer>
3*4882a593Smuzhiyun #include <fcntl.h>
4*4882a593Smuzhiyun #include <unistd.h>
5*4882a593Smuzhiyun #include <sys/ioctl.h>
6*4882a593Smuzhiyun #include <linux/watchdog.h>
7*4882a593Smuzhiyun #include <QTimerEvent>
8*4882a593Smuzhiyun #include <QTimer>
9*4882a593Smuzhiyun #include <QLoggingCategory>
10*4882a593Smuzhiyun Q_LOGGING_CATEGORY(flapp, "app.watchdog")
11*4882a593Smuzhiyun #include "systemmanager.h"
12*4882a593Smuzhiyun
IWatchDog(const QString & name,QObject * parent)13*4882a593Smuzhiyun IWatchDog::IWatchDog(const QString &name, QObject *parent)
14*4882a593Smuzhiyun :QObject(parent)
15*4882a593Smuzhiyun ,m_dogName(name)
16*4882a593Smuzhiyun ,m_fd(-1)
17*4882a593Smuzhiyun ,m_feed(true),
18*4882a593Smuzhiyun m_timer(Q_NULLPTR)
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun if(SystemManager::instance()->platformInfo().contains("t507"))
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun m_type =2;
23*4882a593Smuzhiyun }else{
24*4882a593Smuzhiyun m_type =1;
25*4882a593Smuzhiyun }
26*4882a593Smuzhiyun }
27*4882a593Smuzhiyun
~IWatchDog()28*4882a593Smuzhiyun IWatchDog::~IWatchDog()
29*4882a593Smuzhiyun {
30*4882a593Smuzhiyun }
31*4882a593Smuzhiyun
open(int timeoutSeconds,float feedSeconds)32*4882a593Smuzhiyun bool IWatchDog::open(int timeoutSeconds, float feedSeconds)
33*4882a593Smuzhiyun {
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun m_timeoutTimes= timeoutSeconds;
36*4882a593Smuzhiyun m_feedTimes = feedSeconds;
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun this->checkoutTime();
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun m_fd = ::open(m_dogName.toLocal8Bit().constData(), O_WRONLY);
42*4882a593Smuzhiyun if(m_fd <0)
43*4882a593Smuzhiyun {
44*4882a593Smuzhiyun qCDebug(flapp) << QString("open wachdog: %1, failured");
45*4882a593Smuzhiyun return m_fd;
46*4882a593Smuzhiyun }
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun if(m_timer == Q_NULLPTR)
49*4882a593Smuzhiyun {
50*4882a593Smuzhiyun m_timer = new QTimer(this);
51*4882a593Smuzhiyun connect(m_timer, &QTimer::timeout, this, [=](){
52*4882a593Smuzhiyun feedDog();
53*4882a593Smuzhiyun emit feedCount(m_feedCount++);
54*4882a593Smuzhiyun });
55*4882a593Smuzhiyun }
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun m_feedCount =0;
58*4882a593Smuzhiyun switch (m_type) {
59*4882a593Smuzhiyun case 1:
60*4882a593Smuzhiyun {
61*4882a593Smuzhiyun char s ='V';
62*4882a593Smuzhiyun write(m_fd,(char *)&s,sizeof(s));
63*4882a593Smuzhiyun }
64*4882a593Smuzhiyun break;
65*4882a593Smuzhiyun default:
66*4882a593Smuzhiyun break;
67*4882a593Smuzhiyun }
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun setTimeoutTime(m_timeoutTimes);
70*4882a593Smuzhiyun setFeedTime(m_feedTimes);
71*4882a593Smuzhiyun feedDog();
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun return m_fd;
74*4882a593Smuzhiyun }
75*4882a593Smuzhiyun
close()76*4882a593Smuzhiyun bool IWatchDog::close()
77*4882a593Smuzhiyun {
78*4882a593Smuzhiyun bool bRet= true;
79*4882a593Smuzhiyun if(m_fd > 0)
80*4882a593Smuzhiyun {
81*4882a593Smuzhiyun int flags = WDIOS_DISABLECARD;
82*4882a593Smuzhiyun ioctl(m_fd, WDIOC_SETOPTIONS, &flags);
83*4882a593Smuzhiyun this->setFeed(false);
84*4882a593Smuzhiyun bRet = ::close(m_fd);
85*4882a593Smuzhiyun m_fd = -1;
86*4882a593Smuzhiyun }
87*4882a593Smuzhiyun return bRet;
88*4882a593Smuzhiyun }
89*4882a593Smuzhiyun
setFeed(bool bFeed)90*4882a593Smuzhiyun void IWatchDog::setFeed(bool bFeed)
91*4882a593Smuzhiyun {
92*4882a593Smuzhiyun if(bFeed)
93*4882a593Smuzhiyun {
94*4882a593Smuzhiyun feedDog();
95*4882a593Smuzhiyun m_timer->start(m_feedTimes*1000);
96*4882a593Smuzhiyun qDebug()<<"start feed="<< m_feedTimes*1000;
97*4882a593Smuzhiyun }else{
98*4882a593Smuzhiyun m_timer->stop();
99*4882a593Smuzhiyun }
100*4882a593Smuzhiyun }
101*4882a593Smuzhiyun
setFeedTime(float seconds)102*4882a593Smuzhiyun void IWatchDog::setFeedTime(float seconds)
103*4882a593Smuzhiyun {
104*4882a593Smuzhiyun checkoutTime();
105*4882a593Smuzhiyun m_feedTimes = seconds;
106*4882a593Smuzhiyun m_timer->start(m_feedTimes*1000);
107*4882a593Smuzhiyun feedDog();
108*4882a593Smuzhiyun }
109*4882a593Smuzhiyun
setTimeoutTime(int seconds)110*4882a593Smuzhiyun void IWatchDog::setTimeoutTime(int seconds)
111*4882a593Smuzhiyun {
112*4882a593Smuzhiyun checkoutTime();
113*4882a593Smuzhiyun if(m_fd > 0)
114*4882a593Smuzhiyun {
115*4882a593Smuzhiyun m_timeoutTimes = seconds;
116*4882a593Smuzhiyun int flags = m_timeoutTimes;
117*4882a593Smuzhiyun ioctl(m_fd,WDIOC_SETTIMEOUT,&flags);
118*4882a593Smuzhiyun }
119*4882a593Smuzhiyun }
120*4882a593Smuzhiyun
121*4882a593Smuzhiyun
isOpen()122*4882a593Smuzhiyun bool IWatchDog::isOpen()
123*4882a593Smuzhiyun {
124*4882a593Smuzhiyun return (m_fd >0);
125*4882a593Smuzhiyun }
126*4882a593Smuzhiyun
feedDog()127*4882a593Smuzhiyun void IWatchDog::feedDog()
128*4882a593Smuzhiyun {
129*4882a593Smuzhiyun int dummy;
130*4882a593Smuzhiyun ::ioctl(m_fd, WDIOC_KEEPALIVE,&dummy);
131*4882a593Smuzhiyun }
132*4882a593Smuzhiyun
checkoutTime()133*4882a593Smuzhiyun void IWatchDog::checkoutTime()
134*4882a593Smuzhiyun {
135*4882a593Smuzhiyun if(m_timeoutTimes <1)
136*4882a593Smuzhiyun {
137*4882a593Smuzhiyun m_timeoutTimes = 1;
138*4882a593Smuzhiyun }else if(m_timeoutTimes >10)
139*4882a593Smuzhiyun {
140*4882a593Smuzhiyun m_timeoutTimes = 10;
141*4882a593Smuzhiyun }
142*4882a593Smuzhiyun
143*4882a593Smuzhiyun if(m_feedTimes <0.1)
144*4882a593Smuzhiyun {
145*4882a593Smuzhiyun m_feedTimes = 0.1;
146*4882a593Smuzhiyun }else if(m_feedTimes >10)
147*4882a593Smuzhiyun {
148*4882a593Smuzhiyun m_feedTimes = 10;
149*4882a593Smuzhiyun }
150*4882a593Smuzhiyun }
151