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%% This Source Code Form is subject to the terms of the Mozilla Public
%% License, v. 2.0. If a copy of the MPL was not distributed with this
%% file, You can obtain one at https://mozilla.org/MPL/2.0/.
%%
%% Copyright (c) 2007-2020 VMware, Inc. or its affiliates. All rights reserved.
%%
-module(rabbit_tracing_files).
-include_lib("kernel/include/file.hrl").
-export([list/0, exists/1, delete/1, full_path/1]).
%%--------------------------------------------------------------------
list() ->
{ok, Dir} = application:get_env(rabbitmq_tracing, directory),
ok = filelib:ensure_dir(Dir ++ "/a"),
{ok, Names} = file:list_dir(Dir),
[file_info(Name) || Name <- Names].
exists(Name) ->
filelib:is_regular(full_path(Name)).
delete(Name) ->
ok = file:delete(full_path(Name)).
full_path(Name0) when is_binary(Name0) ->
full_path(binary_to_list(Name0));
full_path(Name0) ->
{ok, Dir} = application:get_env(rabbitmq_tracing, directory),
case rabbit_http_util:safe_relative_path(Name0) of
undefined -> exit(how_rude);
Name -> Dir ++ "/" ++ Name
end.
%%--------------------------------------------------------------------
file_info(Name) ->
Size = case file:read_file_info(full_path(Name)) of
{ok, Info} ->
Info#file_info.size;
{error, Error} ->
rabbit_log:warning("error getting file info for ~s: ~p",
[Name, Error]),
0
end,
[{name, list_to_binary(Name)}, {size, Size}].
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