void TimeShiftDialog::checkDateTime(SyntaxLineEdit &time_le)
{
int Y, M, D, h, m;
long double s;
const gchar *err_str;
syntax_err_.clear();
if (time_le.text().isEmpty()) {
time_le.setSyntaxState(SyntaxLineEdit::Empty);
} else if ((err_str = time_string_parse(time_le.text().toUtf8().constData(),
&Y, &M, &D, NULL, &h, &m, &s)) != NULL) {
syntax_err_ = err_str;
time_le.setSyntaxState(SyntaxLineEdit::Invalid);
} else {
time_le.setSyntaxState(SyntaxLineEdit::Valid);
}
}
void TimeShiftDialog::on_shiftAllTimeLineEdit_textChanged(const QString &sa_text)
{
int h, m;
long double s;
gboolean neg;
const gchar *err_str;
syntax_err_.clear();
if (sa_text.isEmpty()) {
ts_ui_->shiftAllTimeLineEdit->setSyntaxState(SyntaxLineEdit::Empty);
} else if ((err_str = time_string_parse(sa_text.toUtf8().constData(),
NULL, NULL, NULL, &neg, &h, &m, &s)) != NULL) {
syntax_err_ = err_str;
ts_ui_->shiftAllTimeLineEdit->setSyntaxState(SyntaxLineEdit::Invalid);
} else {
ts_ui_->shiftAllTimeLineEdit->setSyntaxState(SyntaxLineEdit::Valid);
}
ts_ui_->shiftAllButton->setChecked(true);
enableWidgets();
}
const gchar *
time_shift_all(capture_file *cf, const gchar *offset_text)
{
nstime_t offset;
long double offset_float = 0;
guint32 i;
frame_data *fd;
gboolean neg;
int h, m;
long double f;
const gchar *err_str;
if (!cf || !offset_text)
return "Nothing to work with.";
if ((err_str = time_string_parse(offset_text, NULL, NULL, NULL, &neg, &h, &m, &f)) != NULL)
return err_str;
offset_float = h * 3600 + m * 60 + f;
if (offset_float == 0)
return "Offset is zero.";
nstime_set_zero(&offset);
offset.secs = (time_t)floorl(offset_float);
offset_float -= offset.secs;
offset.nsecs = (int)(offset_float * 1000000000);
if ((fd = frame_data_sequence_find(cf->frames, 1)) == NULL)
return "No frames found."; /* Shouldn't happen */
modify_time_init(fd);
for (i = 1; i <= cf->count; i++) {
if ((fd = frame_data_sequence_find(cf->frames, i)) == NULL)
continue; /* Shouldn't happen */
modify_time_perform(fd, neg ? SHIFT_NEG : SHIFT_POS, &offset, SHIFT_KEEPOFFSET);
}
packet_list_queue_draw();
return NULL;
}
static const gchar *
time_string_to_nstime(const gchar *time_text, nstime_t *packettime, nstime_t *nstime)
{
int h, m, Y, M, D;
long double f;
struct tm tm, *tmptm;
time_t tt;
const gchar *err_str;
if ((err_str = time_string_parse(time_text, &Y, &M, &D, NULL, &h, &m, &f)) != NULL)
return err_str;
/* Convert the time entered in an epoch offset */
tmptm = localtime(&(packettime->secs));
if (tmptm) {
tm = *tmptm;
} else {
memset (&tm, 0, sizeof (tm));
}
if (Y != 0) {
tm.tm_year = Y - 1900;
tm.tm_mon = M - 1;
tm.tm_mday = D;
}
tm.tm_hour = h;
tm.tm_min = m;
tm.tm_sec = (int)floorl(f);
tm.tm_isdst = -1;
tt = mktime(&tm);
if (tt == -1) {
return "Mktime went wrong. Is the time valid?";
}
nstime->secs = tt;
f -= tm.tm_sec;
nstime->nsecs = (int)(f * 1000000000);
return NULL;
}
