memset(&Hints,0,sizeof(Hints));
Hints.ai_socktype = SOCK_STREAM;
Hints.ai_flags = 0;
+ if (_config->FindB("Acquire::Connect::IDN", true) == true)
+ Hints.ai_flags |= AI_IDN;
// see getaddrinfo(3): only return address if system has such a address configured
// useful if system is ipv4 only, to not get ipv6, but that fails if the system has
// no address configured: e.g. offline and trying to connect to localhost.
if (_config->FindB("Acquire::EnableSrvRecords", true) == true)
GetSrvRecords(Host, DefPort, SrvRecords);
}
- // we have no SrvRecords for this host, connect right away
- if(SrvRecords.size() == 0)
- return ConnectToHostname(Host, Port, Service, DefPort, Fd,
- TimeOut, Owner);
+ size_t stackSize = 0;
// try to connect in the priority order of the srv records
- while(SrvRecords.size() > 0)
+ std::string initialHost{std::move(Host)};
+ while(SrvRecords.empty() == false)
{
+ _error->PushToStack();
+ ++stackSize;
+ // PopFromSrvRecs will also remove the server
Host = PopFromSrvRecs(SrvRecords).target;
- if(ConnectToHostname(Host, Port, Service, DefPort, Fd, TimeOut, Owner))
+ auto const ret = ConnectToHostname(Host, Port, Service, DefPort, Fd, TimeOut, Owner);
+ if (ret)
+ {
+ while(stackSize--)
+ _error->RevertToStack();
return true;
-
- // we couldn't connect to this one, use the next
- SrvRecords.erase(SrvRecords.begin());
+ }
}
+ Host = std::move(initialHost);
- return false;
+ // we have no (good) SrvRecords for this host, connect right away
+ _error->PushToStack();
+ ++stackSize;
+ auto const ret = ConnectToHostname(Host, Port, Service, DefPort, Fd,
+ TimeOut, Owner);
+ while(stackSize--)
+ if (ret)
+ _error->RevertToStack();
+ else
+ _error->MergeWithStack();
+ return ret;
}