void find_user(
n::connection_manager& con,
sc::encrypted_channels& sec,
const n::endpoint& ep,
const ms::greet_find_request& r,
user_info_map& users)
{
//find from user
auto fup = users.find(r.from_id());
if(fup == users.end()) return;
if(fup->second.tcp_ep.protocol.empty()) return;
//find search user
auto up = users.find(r.search_id());
if(up == users.end()) return;
if(up->second.tcp_ep.protocol.empty()) return;
auto& f = fup->second;
auto& i = up->second;
//don't send match if either is disconnected
auto f_addr = n::make_address_str(f.tcp_ep);
if(is_disconnected_and_cleanup(f_addr, con, sec)) return;
auto i_addr = n::make_address_str(i.tcp_ep);
if(is_disconnected_and_cleanup(i_addr, con, sec)) return;
//send response to both clients
ms::greet_find_response fr{true, i.id, i.local, i.ext};
send_response(con, sec, fr, f);
ms::greet_find_response ir{true, f.id, f.local, f.ext};
send_response(con, sec, ir, i);
}
void find_user(
n::connection_manager& con,
sc::session_library& sec,
const n::endpoint& ep,
const ms::greet_find_request& r,
user_info_map& users)
{
//find from user
auto fup = users.find(r.from_id());
if(fup == users.end()) return;
//find search user
auto up = users.find(r.search_id());
if(up == users.end()) return;
auto& f = fup->second;
if(con.is_disconnected(n::make_address_str(ep))) return;
f.ep = ep;
auto& i = up->second;
LOG << "found match " << f.id << " " << f.ext.ip << ":" << f.ext.port << " <==> " << i.id << " " << i.ext.ip << ":" << i.ext.port << std::endl;
//send response to both clients
ms::greet_find_response fr{true, i.id, i.local, i.ext};
send_response(con, sec, fr, f);
ms::greet_find_response ir{true, f.id, f.local, f.ext};
send_response(con, sec, ir, i);
}
void register_user(
n::connection_manager& con,
sc::encrypted_channels& sec,
const n::endpoint& ep,
const ms::greet_register& r,
user_info_map& m)
{
auto address = n::make_address_str(ep);
if(r.id().empty()) return;
//use user specified ip, otherwise use socket ip
ms::greet_endpoint local = r.local();
ms::greet_endpoint ext = {ep.address, ep.port};
//check to see if user already registers and
//don't re-register if ip and port of local and external are the same
bool is_udp = ep.protocol == "udp";
if(m.count(r.id()))
{
auto& i = m[r.id()];
update_address(i, local, ext, ep, is_udp);
}
else
{
n::endpoint tcp_ep;
n::endpoint udp_ep;
(is_udp ? udp_ep : tcp_ep) = ep;
user_info i = {r.id(), local, ext, r.response_service_address(), tcp_ep, udp_ep};
m[i.id] = i;
LOG << "registered " << u::uuid() << std::endl;
}
sec.create_channel(address, r.pub_key());
}