%-*-Mode:erlang;coding:utf-8;tab-width:4;c-basic-offset:4;indent-tabs-mode:()-*-
% ex: set ft=erlang fenc=utf-8 sts=4 ts=4 sw=4 et nomod:
%%%
%%%------------------------------------------------------------------------
%%% @doc
%%% ==CloudI Service for the http_req Test==
%%% @end
%%%
%%% BSD LICENSE
%%% 
%%% Copyright (c) 2011-2017, Michael Truog <mjtruog at gmail dot com>
%%% All rights reserved.
%%% 
%%% Redistribution and use in source and binary forms, with or without
%%% modification, are permitted provided that the following conditions are met:
%%% 
%%%     * Redistributions of source code must retain the above copyright
%%%       notice, this list of conditions and the following disclaimer.
%%%     * Redistributions in binary form must reproduce the above copyright
%%%       notice, this list of conditions and the following disclaimer in
%%%       the documentation and/or other materials provided with the
%%%       distribution.
%%%     * All advertising materials mentioning features or use of this
%%%       software must display the following acknowledgment:
%%%         This product includes software developed by Michael Truog
%%%     * The name of the author may not be used to endorse or promote
%%%       products derived from this software without specific prior
%%%       written permission
%%% 
%%% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
%%% CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
%%% INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
%%% OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
%%% DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
%%% CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
%%% SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
%%% BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
%%% SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
%%% INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
%%% WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
%%% NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
%%% OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
%%% DAMAGE.
%%%
%%% @author Michael Truog <mjtruog [at] gmail (dot) com>
%%% @copyright 2011-2017 Michael Truog
%%% @version 1.6.1 {@date} {@time}
%%%------------------------------------------------------------------------

-module(cloudi_service_http_req).
-author('mjtruog [at] gmail (dot) com').

-behaviour(cloudi_service).

%% cloudi_service callbacks
-export([cloudi_service_init/4,
         cloudi_service_handle_request/11,
         cloudi_service_terminate/3]).

-include_lib("cloudi_core/include/cloudi_logger.hrl").

-record(state, {}).

%%%------------------------------------------------------------------------
%%% External interface functions
%%%------------------------------------------------------------------------

%%%------------------------------------------------------------------------
%%% Callback functions from cloudi_service
%%%------------------------------------------------------------------------

cloudi_service_init(_Args, _Prefix, _Timeout, Dispatcher) ->
    cloudi_service:subscribe(Dispatcher, "erlang.xml/get"),
    {ok, #state{}}.

cloudi_service_handle_request(_Type, _Name, _Pattern, _RequestInfo, Request,
                              _Timeout, _Priority, _TransId, _Pid,
                              State, _Dispatcher) ->
    HttpQS = cloudi_request_info:key_value_parse(Request),
    Response = case dict:find(<<"value">>, HttpQS) of
        {ok, RawValue} ->
            Value = case RawValue of
                [V | _] ->
                    erlang:binary_to_integer(V);
                V ->
                    erlang:binary_to_integer(V)
            end,
            cloudi_string:format_to_binary(
                "<http_test><value>~w</value></http_test>", [Value]
            );
        error ->
            <<"<http_test><error>no value specified</error></http_test>">>
    end,
    {reply, Response, State}.

cloudi_service_terminate(_Reason, _Timeout, #state{}) ->
    ?LOG_INFO("terminate http_req erlang", []),
    ok.

%%%------------------------------------------------------------------------
%%% Private functions
%%%------------------------------------------------------------------------

