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
|
#include <QtCore/QDebug>
extern "C" {
#include <iphbd/libiphb.h>
}
#include "reconnecttimer.h"
static unsigned int num_wait_times = 8;
static unsigned short wait_times[8] = {
2, 5, 10, 30, 2 * 60, 5 * 60, 10 * 60, 15 * 60
};
ReconnectTimer::ReconnectTimer(QObject *parent)
: QObject(parent),
_iphb(iphb_open(0)),
_notifier(new QSocketNotifier(iphb_get_fd(_iphb), QSocketNotifier::Read, this)),
_active(false),
_counter(0)
{
connect(_notifier, &QSocketNotifier::activated, this, &ReconnectTimer::handleIphbActivity);
}
ReconnectTimer::~ReconnectTimer()
{
_active = false;
_iphb = iphb_close(_iphb);
}
void ReconnectTimer::scheduleNextAttempt()
{
_active = true;
time_t res = iphb_wait2(_iphb, wait_times[_counter] / 2, wait_times[_counter], 0, 0);
if (res == -1) {
qErrnoWarning("Failed to iphb_wait");
}
}
void ReconnectTimer::stop()
{
_active = false;
_counter = 0;
}
void ReconnectTimer::handleIphbActivity()
{
iphb_discard_wakeups(_iphb);
qDebug() << "iphb wakeup";
if (!_active) {
// False awakening
return;
}
_active = false;
if (++_counter > num_wait_times)
_counter = num_wait_times;
emit tryReconnect();
}
|
