GIp::operator QString() const {
quint32 ip = htonl(ip_);
char s[INET_ADDRSTRLEN];
const char* res = inet_ntop(AF_INET, &ip, s, INET_ADDRSTRLEN);
if (res == nullptr) {
qWarning() << "inet_ntop return null " << GLastErr();
return QString();
}
return QString{s};
}
bool GSignal::setup(int signo) {
Handler* handler = new Handler;
handler->myAction_.sa_handler = _sigFunc;
int res = sigaction(signo, &handler->myAction_, &handler->oldAction_);
if (res != 0) {
qCritical() << QString("sigaction(%1) return %2").arg(signo).arg(res) << GLastErr();
delete handler;
return false;
}
handlers_[signo] = handler;
return true;
}
// ----------------------------------------------------------------------------
// GIp
// ----------------------------------------------------------------------------
GIp& GIp::operator =(const char* rhs) {
int res = inet_pton(AF_INET, rhs, &ip_);
switch (res) {
case 0:
qWarning() << "inet_pton return zero ip=" << rhs;
break;
case 1: // succeed
ip_ = ntohl(ip_);
break;
default:
qWarning() << "inet_pton return " << res << " " << GLastErr();
}
return *this;
}
void GSignal::_sigFunc(int signo) {
GSignal* signal = instance();
emit signal->signaled(signo);
Handlers::iterator it = signal->handlers_.find(signo);
if (it == signal->handlers_.end()) {
qCritical() << "can not find signal" << signo;
return;
}
Handler* handler = it.value();
int res = sigaction(signo, &handler->oldAction_, nullptr);
if (res != 0) {
qCritical() << QString("sigaction(%1) return %2").arg(signo).arg(res) << GLastErr();
}
}