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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 VMware, Inc.
%% Copyright (c) 2007-2012 VMware, Inc. All rights reserved.
%%
-module(rabbit_channel_sup).
-behaviour(supervisor2).
-export([start_link/1]).
-export([init/1]).
-include("rabbit.hrl").
%%----------------------------------------------------------------------------
-ifdef(use_specs).
-export_type([start_link_args/0]).
-type(start_link_args() ::
{'tcp', rabbit_net:socket(), rabbit_channel:channel_number(),
non_neg_integer(), pid(), string(), rabbit_types:protocol(),
rabbit_types:user(), rabbit_types:vhost(), rabbit_framing:amqp_table(),
pid()} |
{'direct', rabbit_channel:channel_number(), pid(), string(),
rabbit_types:protocol(), rabbit_types:user(), rabbit_types:vhost(),
rabbit_framing:amqp_table(), pid()}).
-spec(start_link/1 :: (start_link_args()) -> {'ok', pid(), {pid(), any()}}).
-endif.
%%----------------------------------------------------------------------------
start_link({tcp, Sock, Channel, FrameMax, ReaderPid, ConnName, Protocol, User,
VHost, Capabilities, Collector}) ->
{ok, SupPid} = supervisor2:start_link(?MODULE,
{tcp, Sock, Channel, FrameMax,
ReaderPid, Protocol}),
[LimiterPid] = supervisor2:find_child(SupPid, limiter),
[WriterPid] = supervisor2:find_child(SupPid, writer),
{ok, ChannelPid} =
supervisor2:start_child(
SupPid,
{channel, {rabbit_channel, start_link,
[Channel, ReaderPid, WriterPid, ReaderPid, ConnName,
Protocol, User, VHost, Capabilities, Collector,
rabbit_limiter:make_token(LimiterPid)]},
intrinsic, ?MAX_WAIT, worker, [rabbit_channel]}),
{ok, AState} = rabbit_command_assembler:init(Protocol),
{ok, SupPid, {ChannelPid, AState}};
start_link({direct, Channel, ClientChannelPid, ConnPid, ConnName, Protocol,
User, VHost, Capabilities, Collector}) ->
{ok, SupPid} = supervisor2:start_link(?MODULE, direct),
[LimiterPid] = supervisor2:find_child(SupPid, limiter),
{ok, ChannelPid} =
supervisor2:start_child(
SupPid,
{channel, {rabbit_channel, start_link,
[Channel, ClientChannelPid, ClientChannelPid, ConnPid,
ConnName, Protocol, User, VHost, Capabilities, Collector,
rabbit_limiter:make_token(LimiterPid)]},
intrinsic, ?MAX_WAIT, worker, [rabbit_channel]}),
{ok, SupPid, {ChannelPid, none}}.
%%----------------------------------------------------------------------------
init(Type) ->
{ok, {{one_for_all, 0, 1}, child_specs(Type)}}.
child_specs({tcp, Sock, Channel, FrameMax, ReaderPid, Protocol}) ->
[{writer, {rabbit_writer, start_link,
[Sock, Channel, FrameMax, Protocol, ReaderPid, true]},
intrinsic, ?MAX_WAIT, worker, [rabbit_writer]} | child_specs(direct)];
child_specs(direct) ->
[{limiter, {rabbit_limiter, start_link, []},
transient, ?MAX_WAIT, worker, [rabbit_limiter]}].
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