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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1997-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
-module(erl_reply).
%% Syncronisation with erl_start (erl_interface)
-export([reply/1]).
%% send Msg to Addr:Port
%% all args are atoms since we call this from erl command line
-spec reply([atom()]) -> 'ok' | 'reply_done'.
reply([Addr,Port,Msg]) ->
Ip = ip_string_to_tuple(atom_to_list(Addr)),
P = list_to_integer(atom_to_list(Port)),
M = atom_to_list(Msg),
{ok, S} = gen_tcp:connect(Ip,P,[]),
ok = gen_tcp:send(S,M),
gen_tcp:close(S),
reply_done;
reply(_) ->
error_logger:error_msg("erl_reply: Can't find address and port "
"to reply to~n").
%% convert ip number to tuple
ip_string_to_tuple(Ip) ->
[Ip1,Ip2,Ip3,Ip4] = string:lexemes(Ip,"."),
{list_to_integer(Ip1),
list_to_integer(Ip2),
list_to_integer(Ip3),
list_to_integer(Ip4)}.
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