diff options
Diffstat (limited to 'lib/ssl/src/ssl_tls_dist_proxy.erl')
| -rw-r--r-- | lib/ssl/src/ssl_tls_dist_proxy.erl | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/lib/ssl/src/ssl_tls_dist_proxy.erl b/lib/ssl/src/ssl_tls_dist_proxy.erl index fda08cb87f..d384264b53 100644 --- a/lib/ssl/src/ssl_tls_dist_proxy.erl +++ b/lib/ssl/src/ssl_tls_dist_proxy.erl @@ -48,6 +48,47 @@ accept(Listen) -> connect(Ip, Port) -> gen_server:call(?MODULE, {connect, Ip, Port}, infinity). + +do_listen(Options) -> + {First,Last} = case application:get_env(kernel,inet_dist_listen_min) of + {ok,N} when is_integer(N) -> + case application:get_env(kernel, + inet_dist_listen_max) of + {ok,M} when is_integer(M) -> + {N,M}; + _ -> + {N,N} + end; + _ -> + {0,0} + end, + do_listen(First, Last, listen_options([{backlog,128}|Options])). + +do_listen(First,Last,_) when First > Last -> + {error,eaddrinuse}; +do_listen(First,Last,Options) -> + case gen_tcp:listen(First, Options) of + {error, eaddrinuse} -> + do_listen(First+1,Last,Options); + Other -> + Other + end. + +listen_options(Opts0) -> + Opts1 = + case application:get_env(kernel, inet_dist_use_interface) of + {ok, Ip} -> + [{ip, Ip} | Opts0]; + _ -> + Opts0 + end, + case application:get_env(kernel, inet_dist_listen_options) of + {ok,ListenOpts} -> + ListenOpts ++ Opts1; + _ -> + Opts1 + end. + %%==================================================================== %% gen_server callbacks %%==================================================================== @@ -62,7 +103,7 @@ init([]) -> handle_call({listen, Name}, _From, State) -> case gen_tcp:listen(0, [{active, false}, {packet,?PPRE}]) of {ok, Socket} -> - {ok, World} = gen_tcp:listen(0, [{active, false}, binary, {packet,?PPRE}]), + {ok, World} = do_listen([{active, false}, binary, {packet,?PPRE}, {reuseaddr, true}]), {ok, TcpAddress} = get_tcp_address(Socket), {ok, WorldTcpAddress} = get_tcp_address(World), {_,Port} = WorldTcpAddress#net_address.address, |