1 files changed, 54 insertions, 0 deletions
diff --git a/deps/rabbit/src/tcp_listener_sup.erl b/deps/rabbit/src/tcp_listener_sup.erl
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+++ b/deps/rabbit/src/tcp_listener_sup.erl
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+%% This Source Code Form is subject to the terms of the Mozilla Public
+%% License, v. 2.0. If a copy of the MPL was not distributed with this
+%% file, You can obtain one at https://mozilla.org/MPL/2.0/.
+%%
+%% Copyright (c) 2007-2020 VMware, Inc. or its affiliates.  All rights reserved.
+%%
+
+-module(tcp_listener_sup).
+
+%% Supervises TCP listeners. There is a separate supervisor for every
+%% protocol. In case of AMQP 0-9-1, it resides under rabbit_sup. Plugins
+%% that provide protocol support (e.g. STOMP) have an instance of this supervisor in their
+%% app supervision tree.
+%%
+%% See also rabbit_networking and tcp_listener.
+
+-behaviour(supervisor).
+
+-export([start_link/10]).
+-export([init/1]).
+
+-type mfargs() :: {atom(), atom(), [any()]}.
+
+-spec start_link
+        (inet:ip_address(), inet:port_number(), module(), [gen_tcp:listen_option()],
+         module(), any(), mfargs(), mfargs(), integer(), string()) ->
+                           rabbit_types:ok_pid_or_error().
+
+start_link(IPAddress, Port, Transport, SocketOpts, ProtoSup, ProtoOpts, OnStartup, OnShutdown,
+           ConcurrentAcceptorCount, Label) ->
+    supervisor:start_link(
+      ?MODULE, {IPAddress, Port, Transport, SocketOpts, ProtoSup, ProtoOpts, OnStartup, OnShutdown,
+                ConcurrentAcceptorCount, Label}).
+
+init({IPAddress, Port, Transport, SocketOpts, ProtoSup, ProtoOpts, OnStartup, OnShutdown,
+      ConcurrentAcceptorCount, Label}) ->
+    {ok, AckTimeout} = application:get_env(rabbit, ssl_handshake_timeout),
+    MaxConnections = rabbit_misc:get_env(rabbit, connection_max, infinity),
+    RanchListenerOpts = #{
+      num_acceptors => ConcurrentAcceptorCount,
+      max_connections => MaxConnections,
+      handshake_timeout => AckTimeout,
+      connection_type => supervisor,
+      socket_opts => [{ip, IPAddress},
+                      {port, Port} |
+                      SocketOpts]
+     },
+    Flags = {one_for_all, 10, 10},
+    OurChildSpecStart = {tcp_listener, start_link, [IPAddress, Port, OnStartup, OnShutdown, Label]},
+    OurChildSpec = {tcp_listener, OurChildSpecStart, transient, 16#ffffffff, worker, [tcp_listener]},
+    RanchChildSpec = ranch:child_spec(rabbit_networking:ranch_ref(IPAddress, Port),
+        Transport, RanchListenerOpts,
+        ProtoSup, ProtoOpts),
+    {ok, {Flags, [RanchChildSpec, OurChildSpec]}}.