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%% The contents of this file are subject to the Mozilla Public License
%% Version 1.1 (the "License"); you may not use this file except in
%% compliance with the License. You may obtain a copy of the License
%% at http://www.mozilla.org/MPL/
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and
%% limitations under the License.
%%
%% The Original Code is RabbitMQ.
%%
%% The Initial Developer of the Original Code is GoPivotal, Inc.
%% Copyright (c) 2007-2013 GoPivotal, Inc. All rights reserved.
%%
-module(rabbit_connection_sup).
-behaviour(supervisor2).
-export([start_link/0, reader/1]).
-export([init/1]).
-include("rabbit.hrl").
%%----------------------------------------------------------------------------
-ifdef(use_specs).
-spec(start_link/0 :: () -> {'ok', pid(), pid()}).
-spec(reader/1 :: (pid()) -> pid()).
-endif.
%%--------------------------------------------------------------------------
start_link() ->
{ok, SupPid} = supervisor2:start_link(?MODULE, []),
{ok, Collector} =
supervisor2:start_child(
SupPid,
{collector, {rabbit_queue_collector, start_link, []},
intrinsic, ?MAX_WAIT, worker, [rabbit_queue_collector]}),
%% We need to get channels in the hierarchy here so they get shut
%% down after the reader, so the reader gets a chance to terminate
%% them cleanly. But for 1.0 readers we can't start the real
%% ch_sup_sup (because we don't know if we will be 0-9-1 or 1.0) -
%% so we add another supervisor into the hierarchy.
{ok, ChannelSup3Pid} =
supervisor2:start_child(
SupPid,
{channel_sup3, {rabbit_intermediate_sup, start_link, []},
intrinsic, infinity, supervisor, [rabbit_intermediate_sup]}),
{ok, ReaderPid} =
supervisor2:start_child(
SupPid,
{reader, {rabbit_reader, start_link,
[ChannelSup3Pid, Collector,
rabbit_heartbeat:start_heartbeat_fun(SupPid)]},
intrinsic, ?MAX_WAIT, worker, [rabbit_reader]}),
{ok, SupPid, ReaderPid}.
reader(Pid) ->
hd(supervisor2:find_child(Pid, reader)).
%%--------------------------------------------------------------------------
init([]) ->
{ok, {{one_for_all, 0, 1}, []}}.
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