Chapril/xmpp.chapril.org-ejabberd
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Accept IP address as a return value from resolve/2 callback

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This commit is contained in:
Evgeniy Khramtsov 2018-06-30 10:19:58 +03:00
parent 8ca035496e
commit b662ec2a78
1 changed files with 29 additions and 29 deletions
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58
src/xmpp_stream_out.erl
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@ -49,7 +49,7 @@
-type state() :: map().
-type noreply() :: {noreply, state(), timeout()}.
-type host_port() :: {inet:hostname(), inet:port_number(), boolean()}.
-type host_port() :: {inet:hostname(), inet:port_number(), boolean()} | ip_port().
-type ip_port() :: {inet:ip_address(), inet:port_number(), boolean()}.
-type h_addr_list() :: {{integer(), integer(), inet:port_number(), string()}, boolean()}.
-type network_error() :: {error, inet:posix() | inet_res:res_error()}.
@ -1115,8 +1115,19 @@ a_lookup(HostPorts, State) ->
Family <- get_address_families(State)],
a_lookup(HostPortFamilies, State, [], {error, nxdomain}).
-spec a_lookup([{inet:hostname(), inet:port_number(), boolean(), inet:address_family()}],
-spec a_lookup([{inet:hostname() | inet:ip_address(), inet:port_number(),
boolean(), inet:address_family()}],
state(), [ip_port()], network_error()) -> {ok, [ip_port()]} | network_error().
a_lookup([{Addr, Port, TLS, Family}|HostPortFamilies], State, Acc, Err)
when is_tuple(Addr) ->
Acc1 = if tuple_size(Addr) == 4 andalso Family == inet ->
[{Addr, Port, TLS}|Acc];
tuple_size(Addr) == 8 andalso Family == inet6 ->
[{Addr, Port, TLS}|Acc];
true ->
Acc
end,
a_lookup(HostPortFamilies, State, Acc1, Err);
a_lookup([{Host, Port, TLS, Family}|HostPortFamilies], State, Acc, Err) ->
Timeout = get_dns_timeout(State),
Retries = get_dns_retries(State),
@ -1136,35 +1147,24 @@ a_lookup([], _State, Acc, _) ->
a_lookup(_Host, _Port, _TLS, _Family, _Timeout, Retries) when Retries < 1 ->
{error, timeout};
a_lookup(Host, Port, TLS, Family, Timeout, Retries) ->
case inet:parse_address(Host) of
{ok, Addr} ->
if tuple_size(Addr) == 4 andalso Family == inet ->
{ok, [{Addr, Port, TLS}]};
tuple_size(Addr) == 8 andalso Family == inet6 ->
{ok, [{Addr, Port, TLS}]};
Start = p1_time_compat:monotonic_time(milli_seconds),
case inet:gethostbyname(Host, Family, Timeout) of
{error, nxdomain} = Err ->
%% inet:gethostbyname/3 doesn't return {error, timeout},
%% so we should check if 'nxdomain' is in fact a result
%% of a timeout.
%% We also cannot use inet_res:gethostbyname/3 because
%% it ignores DNS configuration settings (/etc/hosts, etc)
End = p1_time_compat:monotonic_time(milli_seconds),
if (End - Start) >= Timeout ->
a_lookup(Host, Port, TLS, Family, Timeout, Retries - 1);
true ->
{error, nxdomain}
Err
end;
{error, _} ->
Start = p1_time_compat:monotonic_time(milli_seconds),
case inet:gethostbyname(Host, Family, Timeout) of
{error, nxdomain} = Err ->
%% inet:gethostbyname/3 doesn't return {error, timeout},
%% so we should check if 'nxdomain' is in fact a result
%% of a timeout.
%% We also cannot use inet_res:gethostbyname/3 because
%% it ignores DNS configuration settings (/etc/hosts, etc)
End = p1_time_compat:monotonic_time(milli_seconds),
if (End - Start) >= Timeout ->
a_lookup(Host, Port, TLS, Family, Timeout, Retries - 1);
true ->
Err
end;
{error, _} = Err ->
Err;
{ok, HostEntry} ->
host_entry_to_addr_ports(HostEntry, Port, TLS)
end
{error, _} = Err ->
Err;
{ok, HostEntry} ->
host_entry_to_addr_ports(HostEntry, Port, TLS)
end.
-spec h_addr_list_to_host_ports(h_addr_list()) -> {ok, [host_port()]} |