%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2008-2016. 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(z_SUITE).
%%
%% This suite expects to be run as the last suite of all suites.
%%
-include_lib("kernel/include/file.hrl").
-record(core_search_conf, {search_dir,
extra_search_dir,
cerl,
file,
run_by_ts}).
-export([all/0, suite/0]).
-export([search_for_core_files/1, core_files/1]).
-include_lib("common_test/include/ct.hrl").
suite() ->
[{ct_hooks,[ts_install_cth]},
{timetrap, {minutes, 5}}].
all() ->
[core_files].
core_files(Config) when is_list(Config) ->
case os:type() of
{win32, _} ->
{skipped, "No idea searching for core-files on windows"};
{unix, darwin} ->
core_file_search(
core_search_conf(true,
os:getenv("OTP_DAILY_BUILD_TOP_DIR"),
"/cores"));
_ ->
core_file_search(
core_search_conf(true,
os:getenv("OTP_DAILY_BUILD_TOP_DIR")))
end.
search_for_core_files(Dir) ->
case os:type() of
{win32, _} ->
io:format("No idea searching for core-files on windows");
{unix, darwin} ->
core_file_search(core_search_conf(false, Dir, "/cores"));
_ ->
core_file_search(core_search_conf(false, Dir))
end.
find_cerl(false) ->
case os:getenv("ERL_TOP") of
false -> false;
ETop ->
Cerl = filename:join([ETop, "bin", "cerl"]),
case filelib:is_regular(Cerl) of
true -> Cerl;
_ -> false
end
end;
find_cerl(DBTop) ->
case catch filelib:wildcard(filename:join([DBTop,
"otp_src_*",
"bin",
"cerl"])) of
[Cerl | _ ] ->
case filelib:is_regular(Cerl) of
true -> Cerl;
_ -> false
end;
_ ->
false
end.
is_dir(false) ->
false;
is_dir(Dir) ->
filelib:is_dir(Dir).
core_search_conf(RunByTS, DBTop) ->
core_search_conf(RunByTS, DBTop, false).
core_search_conf(RunByTS, DBTop, XDir) ->
SearchDir = case is_dir(DBTop) of
false ->
case code:which(test_server) of
non_existing ->
{ok, CWD} = file:get_cwd(),
CWD;
TS ->
filename:dirname(filename:dirname(TS))
end;
true ->
DBTop
end,
XSearchDir = case is_dir(XDir) of
false ->
false;
true ->
case SearchDir == XDir of
true -> false;
_ -> XDir
end
end,
#core_search_conf{search_dir = SearchDir,
extra_search_dir = XSearchDir,
cerl = find_cerl(DBTop),
file = os:find_executable("file"),
run_by_ts = RunByTS}.
file_inspect(#core_search_conf{file = File}, Core) ->
FRes0 = os:cmd(File ++ " " ++ Core),
FRes = case string:str(FRes0, Core) of
0 ->
FRes0;
S ->
L = length(FRes0),
E = length(Core),
case S of
1 ->
lists:sublist(FRes0, E+1, L+1);
_ ->
lists:sublist(FRes0, 1, S-1)
++
" "
++
lists:sublist(FRes0, E+1, L+1)
end
end,
case re:run(FRes, "text|ascii", [caseless,{capture,none}]) of
match ->
not_a_core;
nomatch ->
probably_a_core
end.
mk_readable(F) ->
try
{ok, Old} = file:read_file_info(F),
file:write_file_info(F, Old#file_info{mode = 8#00444})
catch
_:_ -> io:format("Failed to \"chmod\" core file ~p\n", [F])
end.
ignore_core(C) ->
filelib:is_regular(filename:join([filename:dirname(C),
"ignore_core_files"])).
core_cand(#core_search_conf{file = false}, C, Cs) ->
%% Guess that it is a core file; make it readable by anyone and save it
mk_readable(C),
[C|Cs];
core_cand(Conf, C, Cs) ->
case file_inspect(Conf, C) of
not_a_core -> Cs;
_ ->
%% Probably a core file; make it readable by anyone and save it
mk_readable(C),
case ignore_core(C) of
true -> [{ignore, C}|Cs];
_ -> [C|Cs]
end
end.
time_fstr() ->
"(~w-~.2.0w-~.2.0w ~w.~.2.0w:~.2.0w)".
mod_time_list(F) ->
case catch filelib:last_modified(F) of
{{Y,Mo,D},{H,Mi,S}} ->
[Y,Mo,D,H,Mi,S];
_ ->
[0,0,0,0,0,0]
end.
str_strip(S) ->
string:strip(string:strip(string:strip(S), both, $\n), both, $\r).
dump_core(#core_search_conf{ cerl = false }, _) ->
ok;
dump_core(_, {ignore, _Core}) ->
ok;
dump_core(#core_search_conf{ cerl = Cerl }, Core) ->
Dump = case test_server:is_debug() of
true ->
os:cmd(Cerl ++ " -debug -dump " ++ Core);
_ ->
os:cmd(Cerl ++ " -dump " ++ Core)
end,
ct:log("~ts~n~n~ts",[Core,Dump]).
format_core(Conf, {ignore, Core}) ->
format_core(Conf, Core, "[ignored] ");
format_core(Conf, Core) ->
format_core(Conf, Core, ""),
%% Try print (log dir) name of offending application
CoreDir = filename:dirname(Core),
lists:foreach(fun(TestDir) ->
case filelib:is_dir(filename:join(CoreDir,TestDir)) of
true ->
io:format(" from ~s~n", [TestDir]);
false ->
no
end
end,
filelib:wildcard("*.logs", CoreDir)).
format_core(#core_search_conf{file = false}, Core, Ignore) ->
io:format(" ~s~s " ++ time_fstr() ++ "~s~n",
[Ignore, Core] ++ mod_time_list(Core));
format_core(#core_search_conf{file = File}, Core, Ignore) ->
FRes = str_strip(os:cmd(File ++ " " ++ Core)),
case catch re:run(FRes, Core, [caseless,{capture,none}]) of
match ->
io:format(" ~s~s " ++ time_fstr() ++ "~n",
[Ignore, FRes] ++ mod_time_list(Core));
_ ->
io:format(" ~s~s: ~s " ++ time_fstr() ++ "~n",
[Ignore, Core, FRes] ++ mod_time_list(Core))
end.
core_file_search(#core_search_conf{search_dir = Base,
extra_search_dir = XBase,
cerl = Cerl,
run_by_ts = RunByTS} = Conf) ->
case {Cerl,test_server:is_debug()} of
{false,_} -> ok;
{_,true} ->
catch io:format("A cerl script that probably can be used for "
"inspection of emulator cores:~n ~s -debug~n",
[Cerl]);
_ ->
catch io:format("A cerl script that probably can be used for "
"inspection of emulator cores:~n ~s~n",
[Cerl])
end,
io:format("Searching for core-files in: ~s~s~n",
[case XBase of
false -> "";
_ -> XBase ++ " and "
end,
Base]),
Filter = fun (Core, Cores) ->
case filelib:is_regular(Core) of
true ->
case filename:basename(Core) of
"core" ->
core_cand(Conf, Core, Cores);
"core." ++ _ ->
core_cand(Conf, Core, Cores);
"vgcore." ++ _ -> % valgrind
core_cand(Conf, Core, Cores);
Bin when is_binary(Bin) -> %Icky filename; ignore
Cores;
BName ->
case lists:suffix(".core", BName) of
true -> core_cand(Conf, Core, Cores);
_ -> Cores
end
end;
_ ->
Cores
end
end,
case case XBase of
false -> [];
_ -> filelib:fold_files(XBase, "core", true, Filter, [])
end ++ filelib:fold_files(Base, "core", true, Filter, []) of
[] ->
io:format("No core-files found.~n", []),
ok;
Cores ->
io:format("Found core files:~n",[]),
lists:foreach(fun (C) -> format_core(Conf, C) end, Cores),
{ICores, FCores} = lists:foldl(fun ({ignore, IC}, {ICs, FCs}) ->
{[" "++IC|ICs], FCs};
(FC, {ICs, FCs}) ->
{ICs, [" "++FC|FCs]}
end,
{[],[]},
Cores),
ICoresComment =
"Core-files marked with [ignored] were found in directories~n"
"containing an ignore_core_files file, i.e., the testcase~n"
"writer has decided that core-files dumped there should be~n"
"ignored. This testcase won't fail on ignored core-files~n"
"found.~n",
Res = lists:flatten([case FCores of
[] ->
[];
_ ->
["Core-files found:",
lists:reverse(FCores)]
end,
case {FCores, ICores} of
{[], []} -> [];
{_, []} -> [];
{[], _} -> [];
_ -> " "
end,
case ICores of
[] -> [];
_ ->
io:format(ICoresComment, []),
["Ignored core-files found:",
lists:reverse(ICores)]
end]),
lists:foreach(fun(C) -> dump_core(Conf,C) end, Cores),
case {RunByTS, ICores, FCores} of
{true, [], []} -> ok;
{true, _, []} -> {comment, Res};
{true, _, _} -> ct:fail(Res);
_ -> Res
end
end.
