aboutsummaryrefslogtreecommitdiff
path: root/server/_build/default/lib/ranch/src/ranch_acceptors_sup.erl
diff options
context:
space:
mode:
authorCalvin Morrison <calvin@pobox.com>2025-09-03 21:15:36 -0400
committerCalvin Morrison <calvin@pobox.com>2025-09-03 21:15:36 -0400
commit49fa5aa2a127bdf8924d02bf77e5086b39c7a447 (patch)
tree61d86a7705dacc9fddccc29fa79d075d83ab8059 /server/_build/default/lib/ranch/src/ranch_acceptors_sup.erl
i vibe coded itHEADmaster
Diffstat (limited to 'server/_build/default/lib/ranch/src/ranch_acceptors_sup.erl')
-rw-r--r--server/_build/default/lib/ranch/src/ranch_acceptors_sup.erl71
1 files changed, 71 insertions, 0 deletions
diff --git a/server/_build/default/lib/ranch/src/ranch_acceptors_sup.erl b/server/_build/default/lib/ranch/src/ranch_acceptors_sup.erl
new file mode 100644
index 0000000..73dc9ea
--- /dev/null
+++ b/server/_build/default/lib/ranch/src/ranch_acceptors_sup.erl
@@ -0,0 +1,71 @@
+%% Copyright (c) 2011-2018, Loïc Hoguin <essen@ninenines.eu>
+%%
+%% Permission to use, copy, modify, and/or distribute this software for any
+%% purpose with or without fee is hereby granted, provided that the above
+%% copyright notice and this permission notice appear in all copies.
+%%
+%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+-module(ranch_acceptors_sup).
+-behaviour(supervisor).
+
+-export([start_link/2]).
+-export([init/1]).
+
+-spec start_link(ranch:ref(), module())
+ -> {ok, pid()}.
+start_link(Ref, Transport) ->
+ supervisor:start_link(?MODULE, [Ref, Transport]).
+
+init([Ref, Transport]) ->
+ ConnsSup = ranch_server:get_connections_sup(Ref),
+ TransOpts = ranch_server:get_transport_options(Ref),
+ NumAcceptors = maps:get(num_acceptors, TransOpts, 10),
+ Logger = maps:get(logger, TransOpts, error_logger),
+ LSocket = case maps:get(socket, TransOpts, undefined) of
+ undefined ->
+ SocketOpts = maps:get(socket_opts, TransOpts, []),
+ %% We temporarily put the logger in the process dictionary
+ %% so that it can be used from ranch:filter_options. The
+ %% interface as it currently is does not allow passing it
+ %% down otherwise.
+ put(logger, Logger),
+ case Transport:listen(SocketOpts) of
+ {ok, Socket} ->
+ erase(logger),
+ Socket;
+ {error, Reason} ->
+ listen_error(Ref, Transport, SocketOpts, Reason, Logger)
+ end;
+ Socket ->
+ Socket
+ end,
+ {ok, Addr} = Transport:sockname(LSocket),
+ ranch_server:set_addr(Ref, Addr),
+ Procs = [
+ {{acceptor, self(), N}, {ranch_acceptor, start_link, [
+ LSocket, Transport, Logger, ConnsSup
+ ]}, permanent, brutal_kill, worker, []}
+ || N <- lists:seq(1, NumAcceptors)],
+ {ok, {{one_for_one, 1, 5}, Procs}}.
+
+-spec listen_error(any(), module(), any(), atom(), module()) -> no_return().
+listen_error(Ref, Transport, SocketOpts0, Reason, Logger) ->
+ SocketOpts1 = [{cert, '...'}|proplists:delete(cert, SocketOpts0)],
+ SocketOpts2 = [{key, '...'}|proplists:delete(key, SocketOpts1)],
+ SocketOpts = [{cacerts, '...'}|proplists:delete(cacerts, SocketOpts2)],
+ ranch:log(error,
+ "Failed to start Ranch listener ~p in ~p:listen(~999999p) for reason ~p (~s)~n",
+ [Ref, Transport, SocketOpts, Reason, format_error(Reason)], Logger),
+ exit({listen_error, Ref, Reason}).
+
+format_error(no_cert) ->
+ "no certificate provided; see cert, certfile, sni_fun or sni_hosts options";
+format_error(Reason) ->
+ inet:format_error(Reason).