diff options
Diffstat (limited to 'src/ranch_tcp.erl')
| -rw-r--r-- | src/ranch_tcp.erl | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/ranch_tcp.erl b/src/ranch_tcp.erl index 41f59c9..060f1ca 100644 --- a/src/ranch_tcp.erl +++ b/src/ranch_tcp.erl @@ -90,16 +90,24 @@ messages() -> {tcp, tcp_closed, tcp_error, tcp_passive}. listen(TransOpts) -> ok = cleanup(TransOpts), Logger = maps:get(logger, TransOpts, logger), - SocketOpts0 = maps:get(socket_opts, TransOpts, []), + SocketOpts = maps:get(socket_opts, TransOpts, []), + %% We set the port to 0 because it is given in the Opts directly. + %% The port in the options takes precedence over the one in the + %% first argument. + gen_tcp:listen(0, prepare_socket_opts(SocketOpts, Logger)). + +prepare_socket_opts([Backend = {inet_backend, _}|SocketOpts], Logger) -> + %% In OTP/23, the inet_backend option may be used to activate the + %% experimental socket backend for inet/gen_tcp. If present, it must + %% be the first option in the list. + [Backend|prepare_socket_opts(SocketOpts, Logger)]; +prepare_socket_opts(SocketOpts0, Logger) -> SocketOpts1 = ranch:set_option_default(SocketOpts0, backlog, 1024), SocketOpts2 = ranch:set_option_default(SocketOpts1, nodelay, true), SocketOpts3 = ranch:set_option_default(SocketOpts2, send_timeout, 30000), SocketOpts4 = ranch:set_option_default(SocketOpts3, send_timeout_close, true), - %% We set the port to 0 because it is given in the Opts directly. - %% The port in the options takes precedence over the one in the - %% first argument. - gen_tcp:listen(0, ranch:filter_options(SocketOpts4, disallowed_listen_options(), - [binary, {active, false}, {packet, raw}, {reuseaddr, true}], Logger)). + ranch:filter_options(SocketOpts4, disallowed_listen_options(), + [binary, {active, false}, {packet, raw}, {reuseaddr, true}], Logger). %% 'binary' and 'list' are disallowed but they are handled %% specifically as they do not have 2-tuple equivalents. |