Change: warn the user about the resolving of an address being extra very slow

This commit is contained in:
Rubidium 2021-04-11 11:32:31 +02:00 committed by Charles Pigott
parent 51cb9e71e5
commit e0594d6cac
1 changed files with 11 additions and 0 deletions

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@ -239,7 +239,18 @@ SOCKET NetworkAddress::Resolve(int family, int socktype, int flags, SocketList *
strecpy(this->hostname, fam == AF_INET ? "0.0.0.0" : "::", lastof(this->hostname));
}
static bool _resolve_timeout_error_message_shown = false;
auto start = std::chrono::steady_clock::now();
int e = getaddrinfo(StrEmpty(this->hostname) ? nullptr : this->hostname, port_name, &hints, &ai);
auto end = std::chrono::steady_clock::now();
std::chrono::seconds duration = std::chrono::duration_cast<std::chrono::seconds>(end - start);
if (!_resolve_timeout_error_message_shown && duration >= std::chrono::seconds(5)) {
DEBUG(net, 0, "getaddrinfo for hostname \"%s\", port %s, address family %s and socket type %s took %i seconds",
this->hostname, port_name, AddressFamilyAsString(family), SocketTypeAsString(socktype), (int)duration.count());
DEBUG(net, 0, " this is likely an issue in the DNS name resolver's configuration causing it to time out");
_resolve_timeout_error_message_shown = true;
}
if (reset_hostname) strecpy(this->hostname, "", lastof(this->hostname));