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path: root/src/rabbit_direct.erl
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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) 2007-2011 VMware, Inc.  All rights reserved.
%%

-module(rabbit_direct).

-export([boot/0, connect/4, start_channel/8]).

-include("rabbit.hrl").

%%----------------------------------------------------------------------------

-ifdef(use_specs).

-spec(boot/0 :: () -> 'ok').
-spec(connect/4 :: (binary(), binary(), binary(), rabbit_types:protocol()) ->
                        {'ok', {rabbit_types:user(),
                                rabbit_framing:amqp_table()}}).
-spec(start_channel/8 ::
        (rabbit_channel:channel_number(), pid(), pid(), rabbit_types:protocol(),
         rabbit_types:user(), rabbit_types:vhost(), rabbit_framing:amqp_table(),
         pid()) -> {'ok', pid()}).

-endif.

%%----------------------------------------------------------------------------

boot() ->
    {ok, _} =
        supervisor2:start_child(
          rabbit_sup,
          {rabbit_direct_client_sup,
           {rabbit_client_sup, start_link,
            [{local, rabbit_direct_client_sup},
             {rabbit_channel_sup, start_link, []}]},
           transient, infinity, supervisor, [rabbit_client_sup]}),
    ok.

%%----------------------------------------------------------------------------

connect(Username, Password, VHost, Protocol) ->
    case lists:keymember(rabbit, 1, application:which_applications()) of
        true  ->
            try rabbit_access_control:user_pass_login(Username, Password) of
                #user{} = User ->
                    try rabbit_access_control:check_vhost_access(User, VHost) of
                        ok -> {ok, {User,
                                    rabbit_reader:server_properties(Protocol)}}
                    catch
                        exit:#amqp_error{name = access_refused} ->
                            {error, access_refused}
                    end
            catch
                exit:#amqp_error{name = access_refused} -> {error, auth_failure}
            end;
        false ->
            {error, broker_not_found_on_node}
    end.

start_channel(Number, ClientChannelPid, ConnPid, Protocol, User, VHost,
              Capabilities, Collector) ->
    {ok, _, {ChannelPid, _}} =
        supervisor2:start_child(
          rabbit_direct_client_sup,
          [{direct, Number, ClientChannelPid, ConnPid, Protocol, User, VHost,
            Capabilities, Collector}]),
    {ok, ChannelPid}.