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diint_utilites_common_app

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библиотеки для работы с ребитом и протоколы

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diint_utilites_common_app src mq rabbit_utilites.erl
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src/mq/rabbit_utilites.erl 

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

%%% @author cheese

%%% @copyright (C) 2015, <COMPANY>

%%% @doc

%%%

%%% @end

%%% Created : 09. Jan 2015 8:56

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

-module(rabbit_utilites).

-author("cheese").

-include("_build/default/lib/amqp_client/include/amqp_client.hrl").

-include("include/types_rabbit.hrl").



%% API

-export([close_rpc_channel/4, convert_array_to_rabbit_connection_config/1]).

-export([connect/3]).



-export([internal_convert_array_to_rabbit_connection_config/2]).



convert_array_to_rabbit_connection_config(Arr) ->

  internal_convert_array_to_rabbit_connection_config(Arr, #rabbit_connection_config{}).



internal_convert_array_to_rabbit_connection_config([], Info) ->

  Info;

internal_convert_array_to_rabbit_connection_config([{Key, Value} | Tail], Info) ->

  case Key of

    process_name ->

      internal_convert_array_to_rabbit_connection_config(Tail, Info#rabbit_connection_config{process_name = Value});

    host ->

      internal_convert_array_to_rabbit_connection_config(Tail, Info#rabbit_connection_config{host = Value});

    password ->

      internal_convert_array_to_rabbit_connection_config(Tail, Info#rabbit_connection_config{password = Value});

    username ->

      internal_convert_array_to_rabbit_connection_config(Tail, Info#rabbit_connection_config{username = Value});

    virtual_host ->

      internal_convert_array_to_rabbit_connection_config(Tail, Info#rabbit_connection_config{ virtual_host = Value});

    queue_response ->

      internal_convert_array_to_rabbit_connection_config(Tail, Info#rabbit_connection_config{ queue_response = Value});

    exchange_response ->

      internal_convert_array_to_rabbit_connection_config(Tail, Info#rabbit_connection_config{ exchange_response = Value});

    arguments ->

      internal_convert_array_to_rabbit_connection_config(Tail, Info#rabbit_connection_config{ arguments = Value});

    _Other ->

      internal_convert_array_to_rabbit_connection_config(Tail, Info)

  end.



close_rpc_channel(ProcessName, Connection, Channel, LogFile) ->

  logger_Cheese:info("Try to close ~w: ~w-~w~n", [ProcessName, Connection, Channel], LogFile),

  try amqp_channel:close(Channel) of

    ResCloseChannel ->

      logger_Cheese:info("Close ~w chanell ~w: ~w~n", [ProcessName, Channel, ResCloseChannel], LogFile),

      try amqp_connection:close(Connection) of

        ResCloseConnection ->

          logger_Cheese:info("Close ~w connection ~w: ~w~n", [ProcessName, Connection, ResCloseConnection], LogFile)

      catch

        ErrCloseConnection ->

          logger_Cheese:info("Close ~w connection ~w error: ~w~n", [ProcessName, Connection, ErrCloseConnection], LogFile)

      end

  catch

    ErrCloseChannel ->

      logger_Cheese:info("Close ~w channel ~w error: ~w~n", [ProcessName, Channel, ErrCloseChannel], LogFile)

  end.



connect(Process, #rabbit_connection_config{ host=Host,  username=Username,  password=Password, virtual_host=VirtHost}, LogFile) ->

  logger_Cheese:info("Start create connection. Host: ~s, User: ~s, VirtHost: ~s~n", [Host, Username, VirtHost], LogFile),

  case amqp_connection:start(#amqp_params_network{host = Host, password = Password, username = Username, heartbeat = 10, frame_max = 8388608, virtual_host = VirtHost}) of

    {ok, Connection} ->

      logger_Cheese:info("Create ~w connection: ~p~n", [Process, Connection], LogFile),

      case amqp_connection:open_channel(Connection) of

        {ok, Channel} ->

          logger_Cheese:info("Create ~w channel: ~p~n", [Process, Channel], LogFile),

          {ok, Connection, Channel};

        ErrorChannel ->

          logger_Cheese:info("Create ~w connection error: ~p~n", [Process, ErrorChannel], LogFile),

          {error, ErrorChannel}

      end;

    ErrorConnection ->

      logger_Cheese:info("Create ~w connection error: ~p~n", [Process, ErrorConnection], LogFile),

      {error, ErrorConnection}

  end.