gboolean
nm_netlink_monitor_subscribe (NMNetlinkMonitor *self, int group, GError **error)
{
NMNetlinkMonitorPrivate *priv;
int subs, err;
g_return_val_if_fail (NM_IS_NETLINK_MONITOR (self), FALSE);
priv = NM_NETLINK_MONITOR_GET_PRIVATE (self);
if (!priv->nlh_event) {
if (!nm_netlink_monitor_open_connection (self, error))
return FALSE;
}
subs = get_subs (self, group) + 1;
if (subs == 1) {
err = nl_socket_add_membership (priv->nlh_event, group);
if (err < 0) {
g_set_error (error, NM_NETLINK_MONITOR_ERROR,
NM_NETLINK_MONITOR_ERROR_NETLINK_JOIN_GROUP,
_("unable to join netlink group: %s"),
nl_geterror (err));
return FALSE;
}
}
/* Update # of subscriptions for this group */
set_subs (self, group, subs);
return TRUE;
}
pbm::PathedMapT list_bases (void) const override
{
pbm::PathedMapT out;
auto marshalers = get_subs();
for (MarsptrT& marshal : marshalers)
{
auto temp = marshal->list_bases();
for (auto& bpairs : temp)
{
bpairs.second.push_front(marshal->get_label());
}
out.insert(temp.begin(), temp.end());
}
return out;
}
void set_variables (pbm::PathedTens* storage) override
{
auto marshalers = get_subs();
for (MarsptrT& marshal : marshalers)
{
std::string child_label = marshal->get_label();
auto it = storage->children_.find(child_label);
if (storage->children_.end() == it)
{
logs::warnf("label %s not found", child_label.c_str());
continue;
}
marshal->set_variables(it->second);
}
}
void
nm_netlink_monitor_unsubscribe (NMNetlinkMonitor *self, int group)
{
NMNetlinkMonitorPrivate *priv;
int subs;
g_return_if_fail (self != NULL);
g_return_if_fail (NM_IS_NETLINK_MONITOR (self));
priv = NM_NETLINK_MONITOR_GET_PRIVATE (self);
g_return_if_fail (priv->nlh_event != NULL);
subs = get_subs (self, group) - 1;
if (subs == 0)
nl_socket_drop_membership (priv->nlh_event, group);
/* Update # of subscriptions for this group */
set_subs (self, group, subs);
}
pbm::PathedTens* get_variables (void) const override
{
auto out = new pbm::PathedTens();
auto marshalers = get_subs();
for (MarsptrT& marshal : marshalers)
{
std::string child_label = marshal->get_label();
auto child = marshal->get_variables();
auto it = out->children_.find(child_label);
if (out->children_.end() != it)
{
it->second->join(child);
delete child;
}
else
{
out->children_.emplace(child_label, child);
}
}
return out;
}
