void MDNetworkParticipant::network_datagram(Datagram &dg)
{
DatagramIterator dgi(dg);
unsigned short channels = dgi.read_uint8();
if(channels == 1 && dgi.read_uint64() == CONTROL_MESSAGE)
{
unsigned short msg_type = dgi.read_uint16();
switch(msg_type)
{
case CONTROL_ADD_CHANNEL:
{
subscribe_channel(dgi.read_uint64());
}
break;
case CONTROL_REMOVE_CHANNEL:
{
unsubscribe_channel(dgi.read_uint64());
}
break;
case CONTROL_ADD_RANGE:
{
channel_t lo = dgi.read_uint64();
channel_t hi = dgi.read_uint64();
subscribe_range(lo, hi);
}
break;
case CONTROL_REMOVE_RANGE:
{
channel_t lo = dgi.read_uint64();
channel_t hi = dgi.read_uint64();
unsubscribe_range(lo, hi);
}
break;
case CONTROL_ADD_POST_REMOVE:
{
add_post_remove(dgi.read_string());
}
break;
case CONTROL_CLEAR_POST_REMOVE:
{
clear_post_removes();
}
break;
default:
logger().error() << "MDNetworkParticipant got unknown control message, type : " << msg_type << std::endl;
}
return;
}
send(dg);
}
void ChannelMap::unsubscribe_all(ChannelSubscriber* p)
{
std::lock_guard<std::recursive_mutex> guard(m_lock);
// Unsubscribe from indivually subscribed channels
auto channels = std::set<channel_t>(p->channels());
for(auto it = channels.begin(); it != channels.end(); ++it) {
channel_t channel = *it;
unsubscribe_channel(p, channel);
}
// Unsubscribe from subscribed channel ranges
auto ranges = boost::icl::interval_set<channel_t>(p->ranges());
for(auto it = ranges.begin(); it != ranges.end(); ++it) {
channel_t lower;
channel_t upper;
get_closed_bounds(*it, lower, upper);
unsubscribe_range(p, lower, upper);
}
}
void MDNetworkParticipant::receive_datagram(DatagramHandle dg)
{
DatagramIterator dgi(dg);
uint16_t channels = dgi.read_uint8();
if(channels == 1 && dgi.read_channel() == CONTROL_MESSAGE)
{
uint16_t msg_type = dgi.read_uint16();
switch(msg_type)
{
case CONTROL_ADD_CHANNEL:
{
subscribe_channel(dgi.read_channel());
break;
}
case CONTROL_REMOVE_CHANNEL:
{
unsubscribe_channel(dgi.read_channel());
break;
}
case CONTROL_ADD_RANGE:
{
channel_t lo = dgi.read_channel();
channel_t hi = dgi.read_channel();
subscribe_range(lo, hi);
break;
}
case CONTROL_REMOVE_RANGE:
{
channel_t lo = dgi.read_channel();
channel_t hi = dgi.read_channel();
unsubscribe_range(lo, hi);
break;
}
case CONTROL_ADD_POST_REMOVE:
{
add_post_remove(dgi.read_datagram());
break;
}
case CONTROL_CLEAR_POST_REMOVE:
{
clear_post_removes();
break;
}
case CONTROL_SET_CON_NAME:
{
set_con_name(dgi.read_string());
break;
}
case CONTROL_SET_CON_URL:
{
set_con_url(dgi.read_string());
break;
}
default:
logger().error() << "MDNetworkParticipant got unknown control message, type : "
<< msg_type << std::endl;
}
return;
}
route_datagram(dg);
}