Packages
otpbp
6.3.2
7.19.2
7.18.0
7.16.1
7.15.0
7.14.0
7.13.0
7.12.0
7.11.0
7.10.2
7.9.3
7.9.2
7.9.1
7.8.7
7.8.6
7.8.5
7.8.4
7.7.1
7.7.0
7.6.3
7.6.2
7.6.1
7.6.0
7.5.1
7.5.0
7.4.0
7.3.4
7.3.3
7.3.2
7.3.1
7.3.0
7.2.0
7.1.1
7.1.0
7.0.4
7.0.3
7.0.2
7.0.1
6.27.0
6.26.2
6.26.1
6.26.0
6.25.0
6.24.0
6.23.0
6.22.2
6.21.3
6.21.2
6.21.1
6.20.2
6.19.1
6.19.0
6.18.3
6.18.2
6.18.1
6.18.0
6.17.1
6.17.0
6.16.0
6.15.4
6.15.3
6.15.2
6.15.1
6.15.0
6.14.0
6.13.5
6.13.4
6.13.3
6.13.2
6.13.1
6.13.0
6.12.0
6.11.2
6.11.1
6.10.0
6.9.2
6.9.1
6.9.0
6.8.0
6.7.1
6.7.0
6.6.4
6.6.3
6.6.2
6.6.1
6.6.0
6.5.0
6.4.0
6.3.3
6.3.2
6.3.1
6.3.0
6.2.1
6.2.0
6.1.0
6.0.0
5.40.0
5.39.1
5.39.0
5.38.0
5.37.0
5.36.0
5.35.2
5.34.3
5.34.2
5.34.1
5.33.1
5.32.1
5.32.0
5.31.3
5.31.2
5.31.1
5.31.0
5.30.1
5.30.0
5.29.0
5.28.4
5.28.3
5.28.2
5.28.1
5.28.0
5.27.0
5.26.5
5.26.4
5.26.3
5.26.2
5.26.1
5.26.0
5.25.0
5.24.2
5.24.1
5.23.0
5.22.2
5.22.1
5.22.0
5.21.0
5.20.1
5.20.0
5.19.4
5.19.3
5.19.2
5.19.1
5.19.0
5.18.0
5.17.0
5.16.3
5.16.1
5.16.0
5.15.1
5.15.0
5.14.0
5.13.1
5.13.0
5.12.1
5.12.0
5.11.2
5.11.1
5.10.1
5.10.0
5.9.0
5.8.0
5.7.0
5.6.1
5.6.0
5.5.0
5.4.2
5.4.1
5.4.0
5.3.0
5.2.2
5.2.1
5.2.0
5.1.2
5.1.1
4.80.0
4.79.1
4.79.0
4.78.0
4.77.0
4.76.2
4.75.3
4.75.2
4.75.1
4.74.0
4.73.1
4.73.0
4.72.3
4.72.2
4.72.1
4.72.0
4.71.1
4.71.0
4.70.0
4.69.4
4.69.3
4.69.2
4.69.1
4.69.0
4.68.0
4.67.5
4.67.4
4.67.3
4.67.2
4.67.0
4.66.0
4.65.2
4.65.1
4.64.0
4.63.2
4.63.1
4.63.0
4.62.0
4.61.1
4.61.0
4.60.4
4.60.3
4.60.2
4.60.1
4.60.0
4.59.0
4.58.0
4.57.2
4.57.1
4.57.0
4.56.2
4.56.1
4.56.0
4.55.0
4.54.0
4.53.0
4.52.1
4.52.0
4.51.3
4.51.2
4.51.0
4.50.0
4.49.3
4.49.2
OTP backports
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Files
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Files
src/otpbp_disksup.erl
-module(otpbp_disksup).
-compile({parse_transform, otpbp_pt}).
-ifndef(HAVE_disksup__parse_df_2).
% OTP 21.0
-export([parse_df/2]).
-endif.
-ifndef(HAVE_disksup__get_disk_info_0).
% OTP 26.0
-export([get_disk_info/0]).
-endif.
-ifndef(HAVE_disksup__get_disk_info_1).
% OTP 26.0
-export([get_disk_info/1]).
-endif.
-ifndef(HAVE_disksup__get_disk_info_0).
-ifdef(HAVE_disksup__get_disk_info_1).
-import(disksup, [get_disk_info/1]).
-endif.
-ifdef(HAVE_disksup__parse_df_2).
-import(disksup, [parse_df/2]).
-endif.
-endif.
-ifndef(HAVE_disksup__get_disk_info_0).
get_disk_info() -> get_disk_info("").
-endif.
-ifndef(HAVE_disksup__get_disk_info_1).
get_disk_info(Path) ->
case get_disk_info(Path, os:type()) of
[] -> [{Path, 0, 0, 0}];
DiskInfo -> DiskInfo
end.
get_disk_info("", {win32, _}) -> disk_info_win32(os_mon_sysinfo:get_disk_info());
get_disk_info(DriveRoot, {win32, _}) -> disk_info_win32(os_mon_sysinfo:get_disk_info(DriveRoot));
get_disk_info(Path, {unix, OS})
when OS =:= linux; OS =:= freebsd; OS =:= openbsd; OS =:= netbsd;
OS =:= solaris; OS =:= dragonfly; OS =:= sunos4; OS =:= posix ->
disk_info_solaris(skip_to_eol(run_df(Path, OS)));
get_disk_info(Path, {unix, darwin}) -> disk_info_susv3(skip_to_eol(run_df(Path, darwin)));
get_disk_info(Path, {unix, irix}) -> disk_info_irix(skip_to_eol(run_df(Path, irix))).
run_df(Path, solaris) -> my_cmd("/usr/bin/df -lk " ++ Path);
run_df(Path, irix) -> my_cmd("/usr/sbin/df -lk " ++ Path);
run_df(Path, linux) -> my_cmd(find_cmd("df", "/bin") ++ " -lk -x squashfs " ++ Path);
run_df(Path, posix) -> my_cmd("df -k -P " ++ Path);
run_df(Path, dragonfly) -> my_cmd("/bin/df -k -t ufs,hammer " ++ Path);
run_df(Path, netbsd) -> my_cmd("/bin/df -k -t ffs " ++ Path);
run_df(Path, sunos4) -> my_cmd("df " ++ Path);
run_df(Path, darwin) -> my_cmd("/bin/df -i -k -t ufs,hfs,apfs " ++ Path);
run_df(Path, OS) when OS =:= freebsd; OS =:= openbsd -> my_cmd("/bin/df -k -l " ++ Path).
my_cmd(Cmd) ->
Port = open_port({spawn, Cmd}, [stream, {env, [{"LANG0", "C"}]}]),
receive
{Port, {data, N}} -> N;
{'EXIT', Port, Reason} -> exit({port_died, Reason})
end.
find_cmd(Cmd) -> os:find_executable(Cmd).
find_cmd(Cmd, Path) ->
%% try to find it at the specific location
case os:find_executable(Cmd, Path) of
false -> find_cmd(Cmd);
Found -> Found
end.
disk_info_win32([]) -> [];
disk_info_win32([H|T]) ->
case io_lib:fread("~s~s~d~d~d", H) of
{ok, [Drive, "DRIVE_FIXED", BAvail, BTot, _TotFree], _RestStr} ->
[{Drive,
BTot div 1024,
BAvail div 1024,
trunc(math:ceil(100 * ((BTot - BAvail) / BTot)))}|disk_info_win32(T)];
{ok, _, _RestStr} -> disk_info_win32(T);
_Other -> []
end.
disk_info_solaris(Str) when Str =:= ""; Str =:= "\n" -> [];
disk_info_solaris(Str) ->
case parse_df(Str, posix) of
{ok, {KiBTotal, KiBAvailable, Capacity, MntOn}, RestStr} ->
[{MntOn, KiBTotal, KiBAvailable, Capacity}|disk_info_solaris(RestStr)];
_Other -> disk_info_solaris(skip_to_eol(Str))
end.
disk_info_irix(Str) when Str =:= ""; Str =:= "\n" -> [];
disk_info_irix(Str) ->
case io_lib:fread("~s~s~d~d~d~d~s", Str) of
{ok, [_FS, _FSType, KiBAvailable, Capacity, _Avail, KiBTotal, MntOn], RestStr} ->
[{MntOn, KiBTotal, KiBAvailable, Capacity}|disk_info_irix(RestStr)];
_Other -> disk_info_irix(skip_to_eol(Str))
end.
disk_info_susv3(Str) when Str =:= ""; Str =:= "\n" -> [];
disk_info_susv3(Str) ->
case parse_df(Str, susv3) of
{ok, {KiBTotal, KiBAvailable, Capacity, MntOn}, RestStr} ->
[{MntOn, KiBTotal, KiBAvailable, Capacity}|disk_info_susv3(RestStr)];
_Other -> disk_info_susv3(skip_to_eol(Str))
end.
skip_to_eol([$\n|T]) -> T;
skip_to_eol([_|T]) -> skip_to_eol(T);
skip_to_eol([]) -> [].
-endif.
-ifndef(HAVE_disksup__parse_df_2).
parse_df(Input0, Flavor) ->
{KiBTotalStr, Input2} = parse_df_take_word(parse_df_skip_word(Input0)),
{KiBAvailableStr, Input4} = parse_df_take_word(parse_df_skip_word(Input2)),
{CapacityStr, Input5} = parse_df_take_word_percent(Input4),
{MountPath, Input7} = lists:splitwith(fun(C) -> C =/= $\r andalso C =/= $\n end,
if
Flavor =:= posix -> Input5;
Flavor =:= susv3 ->
{_, Input5c} = parse_df_take_word_percent(parse_df_skip_word(parse_df_skip_word(Input5))),
Input5c
end),
Remaining = lists:dropwhile(fun(X) -> parse_df_is_eol(X) end, Input7),
try {list_to_integer(KiBTotalStr), list_to_integer(KiBAvailableStr), list_to_integer(CapacityStr)} of
{KiBTotal, KiBAvailable, Capacity} -> {ok, {KiBTotal, KiBAvailable, Capacity, MountPath}, Remaining}
catch
error:badarg -> {error, parse_df}
end.
parse_df_is_eol(C) -> C =:= $\r orelse C =:= $\n.
parse_df_is_not_space(C) -> C =/= $\s andalso C =/= $%.
parse_df_take_word_percent(Input) ->
case lists:splitwith(fun parse_df_is_not_space/1, Input) of
{Word, [$%|Remaining]} -> {Word, Remaining};
Result -> Result
end.
parse_df_skip_word(Input) ->
lists:dropwhile(fun(C) -> C =:= $\s end, lists:dropwhile(fun parse_df_is_not_space/1, Input)).
parse_df_take_word(Input) ->
{Word, Remaining} = lists:splitwith(fun parse_df_is_not_space/1, Input),
{Word, lists:dropwhile(fun(C) -> C =:= $\s end, Remaining)}.
-endif.