1%% This Source Code Form is subject to the terms of the Mozilla Public 2%% License, v. 2.0. If a copy of the MPL was not distributed with this 3%% file, You can obtain one at https://mozilla.org/MPL/2.0/. 4%% 5%% Copyright (c) 2007-2021 VMware, Inc. or its affiliates. All rights reserved. 6%% 7 8-module(rabbit_tracing_files). 9 10-include_lib("kernel/include/file.hrl"). 11 12-export([list/0, exists/1, delete/1, full_path/1]). 13 14%%-------------------------------------------------------------------- 15 16list() -> 17 {ok, Dir} = application:get_env(rabbitmq_tracing, directory), 18 ok = filelib:ensure_dir(Dir ++ "/a"), 19 {ok, Names} = file:list_dir(Dir), 20 [file_info(Name) || Name <- Names]. 21 22exists(Name) -> 23 filelib:is_regular(full_path(Name)). 24 25delete(Name) -> 26 ok = file:delete(full_path(Name)). 27 28full_path(Name0) when is_binary(Name0) -> 29 full_path(binary_to_list(Name0)); 30full_path(Name0) -> 31 {ok, Dir} = application:get_env(rabbitmq_tracing, directory), 32 case rabbit_http_util:safe_relative_path(Name0) of 33 undefined -> exit(how_rude); 34 Name -> Dir ++ "/" ++ Name 35 end. 36 37%%-------------------------------------------------------------------- 38 39file_info(Name) -> 40 Size = case file:read_file_info(full_path(Name)) of 41 {ok, Info} -> 42 Info#file_info.size; 43 {error, Error} -> 44 rabbit_log:warning("error getting file info for ~s: ~p", 45 [Name, Error]), 46 0 47 end, 48 [{name, list_to_binary(Name)}, {size, Size}]. 49