Packages
rabbit_common
3.13.6
4.2.1
4.2.0
retired
4.2.0-rc.1
retired
4.1.6
4.1.5
retired
4.1.5-rc.2
retired
4.1.5-rc.1
4.0.3
4.0.3-rc.1
4.0.2
4.0.2-rc.2
4.0.2-rc.1
4.0.1
4.0.0
4.0.0-rc.2
4.0.0-rc.1
3.13.7
3.13.6
3.13.5
3.13.4
3.13.3
3.13.2
3.13.2-rc.1
3.13.1
3.13.0
3.13.0-rc.6
3.13.0-rc.5
3.13.0-rc.4
3.13.0-rc.3
3.13.0-rc.2
3.13.0-rc.1
3.12.14
3.12.13
3.12.12
3.12.11
3.12.10
3.12.9
3.12.8
3.12.7
3.12.6
3.12.5
3.12.4
3.12.3
3.12.2
3.12.1
3.12.0
3.12.0-rc.4
3.12.0-rc.3
3.12.0-rc.2
3.12.0-rc.1
3.11.28
3.11.27
3.11.26
3.11.25
3.11.24
3.11.23
3.11.22
3.11.21
3.11.20
3.11.19
3.11.18
3.11.17
3.11.16
3.11.15
3.11.14
3.11.13
3.11.12
3.11.11
3.11.10
3.11.9
3.11.8
3.11.7
3.11.6
3.11.5
3.11.4
3.11.3
3.11.2
3.11.1
3.11.0
3.11.0-rc.2
3.11.0-rc.1
3.11.0-1
3.10.25
3.10.24
3.10.23
3.10.22
3.10.21
3.10.20
3.10.19
3.10.18
3.10.17
3.10.16
3.10.15
3.10.14
3.10.13
3.10.12
3.10.11
3.10.10
3.10.9
3.10.8
3.10.7
3.10.6
3.10.5
3.10.4
3.10.3
3.10.2
3.10.1
3.10.0
3.10.0-rc.6
3.10.0-rc.5
3.9.29
3.9.28
3.9.27
3.9.26
3.9.25
3.9.24
3.9.23
3.9.22
3.9.21
3.9.20
3.9.19
3.9.18
3.9.17
3.9.16
3.9.15
3.9.11
3.9.10
3.9.9
3.9.8
3.9.7
3.9.6
3.9.5
3.9.4
3.9.3
3.9.2
3.9.1
3.8.35
3.8.34
3.8.33
3.8.32
3.8.31
3.8.30
3.8.26
3.8.25
3.8.24
3.8.23
3.8.22
3.8.21
3.8.20
3.8.19
3.8.14
3.8.12-rc.3
3.8.12-rc.2
3.8.12-rc.1
3.8.11
3.8.10
3.8.10-rc.6
3.8.10-rc.5
3.8.10-rc.1
3.8.9
3.8.8
3.8.7
3.8.6
3.8.6-rc.2
3.8.6-rc.1
3.8.5
3.8.5-rc.2
3.8.5-rc.1
3.8.4
3.8.4-rc.3
3.8.4-rc.1
3.8.3
3.8.3-rc.2
3.8.3-rc.1
3.8.2
3.8.2-rc.1
3.8.1
3.8.1-rc.1
3.8.0
3.8.0-rc.3
3.8.0-rc.2
3.8.0-rc.1
3.7.28
3.7.27
3.7.27-rc.2
3.7.27-rc.1
3.7.26
3.7.25
3.7.25-rc.1
3.7.24
3.7.24-rc.2
3.7.24-rc.1
3.7.23
3.7.23-rc.1
3.7.22
3.7.22-rc.2
3.7.22-rc.1
3.7.21
3.7.20
3.7.20-rc.2
3.7.20-rc.1
3.7.19
3.7.18
3.7.18-rc.1
3.7.17
3.7.17-rc.3
3.7.17-rc.2
3.7.17-rc.1
retired
3.7.16
retired
3.7.16-rc.4
retired
3.7.16-rc.3
retired
3.7.16-rc.2
retired
3.7.16-rc.1
retired
3.7.16-beta.1
3.7.15
3.7.14
3.7.14-rc.2
3.7.14-rc.1
3.7.13
3.7.13-rc.2
3.7.13-rc.1
3.7.12
3.7.12-rc.2
3.7.12-rc.1
3.7.11
3.7.11-rc.2
3.7.11-rc.1
3.7.10-rc.4
3.7.10-rc.3
3.7.10-rc.2
3.7.10-rc.1
3.7.9
3.7.9-rc.3
3.7.9-rc.2
3.7.8
3.7.8-rc.4
3.7.8-rc.3
3.7.8-rc.2
3.7.8-rc.1
3.7.7
3.7.7-rc.2
3.7.7-rc.1
3.7.6
3.7.6-rc.2
3.7.6-rc.1
3.7.5
3.7.5-rc.1
3.7.4
3.7.4-rc.4
3.7.4-rc.3
3.7.4-rc.2
3.7.4-rc.1
3.7.3
3.7.3-rc.2
3.7.3-rc.1
3.7.2
3.7.1
3.7.0-rc.2
3.7.0-alpha.544
3.7.0-alpha.542
3.6.16
3.6.16-rc.1
3.6.15
3.6.15-rc.1
3.6.14
3.6.13
3.6.12
3.6.11
3.6.10
3.6.9
3.6.8
3.6.7
3.6.7-pre.1
3.5.6
3.5.0
3.4.0
3.3.5
3.0.2
0.0.0-rc.1
Modules shared by rabbitmq-server and rabbitmq-erlang-client
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Files
src/rabbit_resource_monitor_misc.erl
%% 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) 2007-2024 Broadcom. All Rights Reserved. The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. All rights reserved.
%%
-module(rabbit_resource_monitor_misc).
-export([parse_information_unit/1]).
-spec parse_information_unit(integer() | string()) ->
{ok, integer()} | {error, parse_error}.
parse_information_unit(Value) when is_integer(Value) -> {ok, Value};
parse_information_unit(Value0) ->
Value = rabbit_data_coercion:to_list(Value0),
case re:run(Value,
"^(?<VAL>[0-9]+)(?<UNIT>kB|Ki|Mi|Gi|Ti|Pi|KB|MB|GB|TB|PB|kb|ki|mb|gb|tb|pb|Kb|Mb|Gb|Tb|Pb|kiB|KiB|MiB|GiB|TiB|PiB|kib|mib|gib|tib|pib|KIB|MIB|GIB|TIB|PIB|k|K|m|M|g|G|p|P)?$",
[{capture, all_but_first, list}]) of
{match, [[], _]} ->
{ok, list_to_integer(Value)};
{match, [Num]} ->
{ok, list_to_integer(Num)};
{match, [Num, Unit]} ->
%% Note: there is no industry standard on what K, M, G, T, P means (is G a gigabyte or a gibibyte?), so
%% starting with 3.13 we treat those the same way as Kubernetes does [1].
%%
%% 1. https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/#meaning-of-memory
Multiplier = case Unit of
KiB when KiB =:= "kiB"; KiB =:= "KIB"; KiB =:= "kib"; KiB =:= "ki"; KiB =:= "Ki" -> 1024;
MiB when MiB =:= "MiB"; MiB =:= "MIB"; MiB =:= "mib"; MiB =:= "mi"; MiB =:= "Mi" -> 1024 * 1024;
GiB when GiB =:= "GiB"; GiB =:= "GIB"; GiB =:= "gib"; GiB =:= "gi"; GiB =:= "Gi" -> 1024 * 1024 * 1024;
TiB when TiB =:= "TiB"; TiB =:= "TIB"; TiB =:= "tib"; TiB =:= "ti"; TiB =:= "Ti" -> 1024 * 1024 * 1024 * 1024;
PiB when PiB =:= "PiB"; PiB =:= "PIB"; PiB =:= "pib"; PiB =:= "pi"; PiB =:= "Pi" -> 1024 * 1024 * 1024 * 1024 * 2014;
KB when KB =:= "k"; KB =:= "K"; KB =:= "KB"; KB =:= "kB"; KB =:= "kb"; KB =:= "Kb" -> 1000;
MB when MB =:= "m"; MB =:= "M"; MB =:= "MB"; MB =:= "mB"; MB =:= "mb"; MB =:= "Mb" -> 1000_000;
GB when GB =:= "g"; GB =:= "G"; GB =:= "GB"; GB =:= "gB"; GB =:= "gb"; GB =:= "Gb" -> 1000_000_000;
TB when TB =:= "t"; TB =:= "T"; TB =:= "TB"; TB =:= "tB"; TB =:= "tb"; TB =:= "Tb" -> 1000_000_000_000;
PB when PB =:= "p"; PB =:= "P"; PB =:= "PB"; PB =:= "pB"; PB =:= "pb"; PB =:= "Pb" -> 1000_000_000_000_000
end,
{ok, list_to_integer(Num) * Multiplier};
nomatch ->
% log error
{error, parse_error}
end.