%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1997-2013. 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(disk_log_SUITE).
%-define(debug, true).
-ifdef(debug).
-define(format(S, A), io:format(S, A)).
-define(line, put(line, ?LINE), ).
-define(privdir(_), "./disk_log_SUITE_priv").
-define(datadir(_), "./disk_log_SUITE_data").
-define(config(X,Y), foo).
-define(t,test_server).
-else.
-include_lib("common_test/include/ct.hrl").
-define(format(S, A), ok).
-define(privdir(Conf), proplists:get_value(priv_dir, Conf)).
-define(datadir(Conf), proplists:get_value(data_dir, Conf)).
-endif.
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
halt_int_inf/1,
halt_int_sz_1/1, halt_int_sz_2/1,
halt_int_ro/1, halt_ext_ro/1, wrap_int_ro/1,
wrap_ext_ro/1, halt_trunc/1, halt_misc/1, halt_ro_alog/1,
halt_ro_balog/1, halt_ro_crash/1,
wrap_int_1/1, wrap_int_2/1, inc_wrap_file/1,
halt_ext_inf/1,
halt_ext_sz_1/1, halt_ext_sz_2/1,
wrap_ext_1/1, wrap_ext_2/1,
head_func/1, plain_head/1, one_header/1,
wrap_notif/1, full_notif/1, trunc_notif/1, blocked_notif/1,
new_idx_vsn/1,
reopen/1,
block_blocked/1, block_queue/1, block_queue2/1,
unblock/1,
open_overwrite/1, open_size/1, open_truncate/1, open_error/1,
close_race/1, close_block/1, close_deadlock/1,
error_repair/1, error_log/1, error_index/1,
chunk/1,
truncate/1,
many_users/1,
info_current/1,
change_size_before/1, change_size_during/1,
change_size_after/1, default_size/1, change_size2/1,
change_size_truncate/1,
change_attribute/1,
dist_open/1, dist_error_open/1, dist_notify/1,
dist_terminate/1, dist_accessible/1, dist_deadlock/1,
dist_open2/1, other_groups/1,
evil/1,
otp_6278/1, otp_10131/1]).
-export([head_fun/1, hf/0, lserv/1,
measure/0, init_m/1, xx/0, head_exit/0, slow_header/1]).
-export([init_per_testcase/2, end_per_testcase/2]).
-export([try_unblock/1]).
-export([client/4]).
%% error_logger
-export([init/1,
handle_event/2, handle_call/2, handle_info/2,
terminate/2]).
-include_lib("kernel/include/file.hrl").
-include_lib("kernel/src/disk_log.hrl").
%% TODO (old):
%% - global logs
%% - badarg
%% - force file:write fail (how?)
%% - kill logging proc while he is logging
%% - kill logging node while he is logging
%% - test chunk_step
%% These are all tests, the list to be returned by all().
-define(ALL_TESTS,
[halt_int, wrap_int, halt_ext, wrap_ext, read_mode, head,
notif, new_idx_vsn, reopen, block, unblock, open, close,
error, chunk, truncate, many_users, info, change_size,
change_attribute, distribution, evil, otp_6278, otp_10131]).
%% These test cases should be skipped if the VxWorks card is
%% configured without NFS cache.
-define(SKIP_NO_CACHE,[distribution]).
%% These tests should be skipped if the VxWorks card is configured *with*
%% nfs cache.
-define(SKIP_LARGE_CACHE,[inc_wrap_file, halt_ext, wrap_ext, read_mode,
head, wrap_notif, open_size, error_log,
error_index, chunk,
change_size_before, change_size_during,
change_size_after, default_size]).
suite() ->
[{ct_hooks,[ts_install_cth]},
{timetrap,{minutes,2}}].
all() ->
[{group, halt_int}, {group, wrap_int},
{group, halt_ext}, {group, wrap_ext},
{group, read_mode}, {group, head}, {group, notif},
new_idx_vsn, reopen, {group, block}, unblock,
{group, open}, {group, close}, {group, error}, chunk,
truncate, many_users, {group, info},
{group, change_size}, change_attribute,
{group, distribution}, evil, otp_6278, otp_10131].
groups() ->
[{halt_int, [], [halt_int_inf, {group, halt_int_sz}]},
{halt_int_sz, [], [halt_int_sz_1, halt_int_sz_2]},
{read_mode, [],
[halt_int_ro, halt_ext_ro, wrap_int_ro, wrap_ext_ro,
halt_trunc, halt_misc, halt_ro_alog, halt_ro_balog,
halt_ro_crash]},
{wrap_int, [], [wrap_int_1, wrap_int_2, inc_wrap_file]},
{halt_ext, [], [halt_ext_inf, {group, halt_ext_sz}]},
{halt_ext_sz, [], [halt_ext_sz_1, halt_ext_sz_2]},
{wrap_ext, [], [wrap_ext_1, wrap_ext_2]},
{head, [], [head_func, plain_head, one_header]},
{notif, [],
[wrap_notif, full_notif, trunc_notif, blocked_notif]},
{block, [], [block_blocked, block_queue, block_queue2]},
{open, [],
[open_overwrite, open_size, open_truncate, open_error]},
{close, [], [close_race, close_block, close_deadlock]},
{error, [], [error_repair, error_log, error_index]},
{info, [], [info_current]},
{change_size, [],
[change_size_before, change_size_during,
change_size_after, default_size, change_size2,
change_size_truncate]},
{distribution, [],
[dist_open, dist_error_open, dist_notify,
dist_terminate, dist_accessible, dist_deadlock,
dist_open2, other_groups]}].
init_per_suite(Config) ->
Config.
end_per_suite(_Config) ->
ok.
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
init_per_testcase(_Case, Config) ->
Config.
end_per_testcase(_Case, _Config) ->
ok.
%% Test simple halt disk log, size infinity.
halt_int_inf(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
?line ok = disk_log:start(),
File = filename:join(Dir, "a.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,infinity},
{format,internal},
{file, File}]),
?line simple_log(a),
?line ok = disk_log:close(a),
?line ok = file:delete(File).
%% Test simple halt disk log, size defined.
halt_int_sz_1(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,18000},
{format,internal},
{file, File}]),
?line simple_log(a),
?line ok = disk_log:truncate(a),
?line [] = get_all_terms(a),
T1 = mk_bytes(10000),
T2 = mk_bytes(5000),
?line ok = disk_log:log(a, T1),
?line case get_all_terms(a) of
[T1] ->
ok;
E1 ->
test_server_fail({bad_terms, E1, [T1]})
end,
?line ok = disk_log:log(a, T2),
?line {error, {full, a}} = disk_log:log(a, T1),
?line ok = disk_log:alog(a, T1),
?line case get_all_terms(a) of
[T1, T2] ->
ok;
E2 ->
test_server_fail({bad_terms, E2, [T1, T2]})
end,
?line ok = disk_log:close(a),
?line ok = file:delete(File).
%% Test simple halt disk log, size ~8192.
halt_int_sz_2(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File1 = filename:join(Dir, "a.LOG"),
File2 = filename:join(Dir, "b.LOG"),
File3 = filename:join(Dir, "c.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,8191},
{format,internal},
{file, File1}]),
?line {ok, b} = disk_log:open([{name,b}, {type,halt}, {size,8192},
{format,internal},
{file, File2}]),
?line {ok, c} = disk_log:open([{name,c}, {type,halt}, {size,8193},
{format,internal},
{file, File3}]),
T1 = mk_bytes(8191-16), % 16 is size of header + magics for 1 item
T2 = mk_bytes(8192-16),
T3 = mk_bytes(8193-16),
?line ok = disk_log:log(a, T1),
?line ok = disk_log:log(b, T2),
?line ok = disk_log:log(c, T3),
?line case get_all_terms(a) of
[T1] ->
ok;
E1 ->
test_server_fail({bad_terms, E1, [T1]})
end,
?line case get_all_terms(b) of
[T2] ->
ok;
E2 ->
test_server_fail({bad_terms, E2, [T2]})
end,
?line case get_all_terms(c) of
[T3] ->
ok;
E3 ->
test_server_fail({bad_terms, E3, [T3]})
end,
?line ok = disk_log:truncate(a),
?line ok = disk_log:truncate(b),
?line {error, {full, a}} = disk_log:log(a, T2),
?line {error, {full, b}} = disk_log:log(b, T3),
?line [] = get_all_terms(a),
?line [] = get_all_terms(b),
?line ok = disk_log:close(a),
?line ok = disk_log:close(b),
?line ok = disk_log:close(c),
?line ok = file:delete(File1),
?line ok = file:delete(File2),
?line ok = file:delete(File3),
ok.
%% Test simple halt disk log, read only, internal.
halt_int_ro(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,infinity},
{format,internal}, {file, File}]),
simple_log(a),
?line ok = disk_log:close(a),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,infinity},
{format,internal}, {file, File},
{mode,read_only}]),
T1 = "not allowed to write",
?line {error, {read_only_mode, a}} = disk_log:log(a, T1),
?line ok = disk_log:close(a),
?line ok = file:delete(File).
%% Test simple halt disk log, read only, external.
halt_ext_ro(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,infinity},
{format,external}, {file, File}]),
xsimple_log(File, a),
?line ok = disk_log:close(a),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,infinity},
{format,external}, {file, File},
{mode,read_only}]),
T1 = "not allowed to write",
?line {error, {read_only_mode, a}} = disk_log:blog(a, T1),
?line ok = disk_log:close(a),
?line ok = file:delete(File).
%% Test simple wrap disk log, read only, internal.
wrap_int_ro(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {type,wrap}, {size,{8000, 4}},
{format,internal}, {file, File}]),
simple_log(a),
?line ok = disk_log:close(a),
?line {ok, a} = disk_log:open([{name,a}, {type,wrap}, {size,{8000, 4}},
{format,internal}, {file, File}, {mode,read_only}]),
T1 = "not allowed to write",
?line {error, {read_only_mode, a}} = disk_log:log(a, T1),
?line ok = disk_log:close(a),
?line del(File, 4).
%% Test simple wrap disk log, read only, external.
wrap_ext_ro(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {type,wrap}, {size,{8000, 4}},
{format,external}, {file, File}]),
x2simple_log(File ++ ".1", a),
?line ok = disk_log:close(a),
?line {ok, a} = disk_log:open([{name,a}, {type,wrap}, {size,{8000, 4}},
{format,external}, {file, File},
{mode,read_only}]),
T1 = "not allowed to write",
?line {error, {read_only_mode, a}} = disk_log:blog(a, T1),
?line {error, {read_only_mode, a}} = disk_log:inc_wrap_file(a),
?line ok = disk_log:close(a),
del(File, 4).
%% Test truncation of halt disk log.
halt_trunc(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,infinity},
{format,internal}, {file, File}]),
simple_log(a),
?line ok = disk_log:close(a),
?line {error,{badarg,repair_read_only}} =
disk_log:open([{name,a}, {type,halt}, {size,infinity},
{repair, truncate}, {format,internal},
{file, File}, {mode,read_only}]),
?line ok = file:delete(File).
%% Test truncation of halt disk log.
halt_misc(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,infinity},
{format,internal}, {file, File}]),
simple_log(a),
?line ok = disk_log:close(a),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,infinity},
{format,internal}, {file, File},
{mode,read_only}]),
T1 = "not allowed to write",
?line {error, {read_only_mode, a}} = disk_log:log(a, T1),
?line {error, {read_only_mode, a}} = disk_log:sync(a),
?line {error, {read_only_mode, a}} = disk_log:reopen(a, "b.LOG"),
?line {error, {read_only_mode, a}} =
disk_log:change_header(a, {head,header}),
?line {error, {read_only_mode, a}} =
disk_log:change_size(a, infinity),
?line ok = disk_log:close(a),
?line ok = file:delete(File).
%% Test truncation of halt disk log, read only.
halt_ro_alog(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,infinity},
{format,internal}, {file, File}]),
simple_log(a),
?line ok = disk_log:close(a),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,infinity},
{notify,true}, {format,internal},
{file, File}, {mode,read_only}]),
T1 = "not allowed to write",
?line ok = disk_log:alog(a, T1),
?line ok = halt_ro_alog_wait_notify(a, T1),
?line ok = disk_log:close(a),
?line ok = file:delete(File).
halt_ro_alog_wait_notify(Log, T) ->
Term = term_to_binary(T),
receive
{disk_log, _, Log,{read_only, Term}} ->
ok;
Other ->
Other
after 5000 ->
failed
end.
%% Test truncation of halt disk log, read only.
halt_ro_balog(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,infinity},
{format,internal}, {file, File}]),
simple_log(a),
?line ok = disk_log:close(a),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,infinity},
{notify,true}, {format,external},
{file, File}, {mode,read_only}]),
T1 = "not allowed to write",
?line ok = disk_log:balog(a, T1),
?line ok = halt_ro_balog_wait_notify(a, T1),
?line ok = disk_log:close(a),
?line ok = file:delete(File).
halt_ro_balog_wait_notify(Log, T) ->
Term = list_to_binary(T),
receive
{disk_log, _, Log,{read_only, Term}} ->
ok;
Other ->
Other
after 5000 ->
failed
end.
%% Test truncation of halt disk log, read only, repair.
halt_ro_crash(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
?line file:delete(File),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,infinity},
{format,internal},{file, File}]),
simple_log(a),
?line ok = disk_log:close(a),
crash(File, 10),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,infinity},
{notify,true}, {format,internal},
{file, File}, {mode,read_only}]),
?line Error1 = {error, {read_only_mode, a}} = disk_log:truncate(a),
?line "The disk log" ++ _ = format_error(Error1),
%% crash/1 sets the length of the first item to something big (2.5 kb).
%% In R6B, binary_to_term accepts garbage at the end of the binary,
%% which means that the first item is recognized!
%% This is how it was before R6B:
%% ?line {C1,T1,15} = disk_log:chunk(a,start),
%% ?line {C2,T2} = disk_log:chunk(a,C1),
{C1,_OneItem,7478} = disk_log:chunk(a,start),
{C2, [], 7} = disk_log:chunk(a,C1),
?line eof = disk_log:chunk(a,C2),
?line ok = disk_log:close(a),
?line ok = file:delete(File).
%% Test wrap disk log, internal.
wrap_int_1(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {type,wrap}, {size,{8000, 4}},
{format,internal},
{file, File}]),
?line [_] =
lists:filter(fun(P) -> disk_log:pid2name(P) =/= undefined end,
erlang:processes()),
simple_log(a),
?line ok = disk_log:close(a),
del(File, 4),
?line {ok, a} = disk_log:open([{name,a}, {type,wrap}, {size,{8000, 4}},
{format,internal},
{file, File}]),
?line [] = get_all_terms(a),
T1 = mk_bytes(10000), % file 2
T2 = mk_bytes(5000), % file 3
T3 = mk_bytes(4000), % file 4
T4 = mk_bytes(2000), % file 4
T5 = mk_bytes(5000), % file 1
T6 = mk_bytes(5000), % file 2
?line ok = disk_log:log(a, T1),
?line ok = disk_log:log(a, T2),
?line ok = disk_log:log(a, T3),
?line ok = disk_log:log_terms(a, [T4, T5, T6]),
?line case get_all_terms(a) of
[T2,T3,T4,T5,T6] ->
ok;
E1 ->
test_server_fail({bad_terms, E1, [T2,T3,T4,T5,T6]})
end,
?line ok = disk_log:close(a),
del(File, 4).
%% Test wrap disk log, internal.
wrap_int_2(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File1 = filename:join(Dir, "a.LOG"),
File2 = filename:join(Dir, "b.LOG"),
File3 = filename:join(Dir, "c.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {type,wrap}, {size,{8191,3}},
{format,internal},
{file, File1}]),
?line {ok, b} = disk_log:open([{name,b}, {type,wrap}, {size,{8192,3}},
{format,internal},
{file, File2}]),
?line {ok, c} = disk_log:open([{name,c}, {type,wrap}, {size,{8193,3}},
{format,internal},
{file, File3}]),
T1 = mk_bytes(8191-16), % 16 is size of header + magics for 1 item
T2 = mk_bytes(8192-16),
T3 = mk_bytes(8193-16),
?line ok = disk_log:log(a, T1),
?line ok = disk_log:log(b, T2),
?line ok = disk_log:log(c, T3),
?line case get_all_terms(a) of
[T1] ->
ok;
E1 ->
test_server_fail({bad_terms, E1, [T1]})
end,
?line case get_all_terms(b) of
[T2] ->
ok;
E2 ->
test_server_fail({bad_terms, E2, [T2]})
end,
?line case get_all_terms(c) of
[T3] ->
ok;
E3 ->
test_server_fail({bad_terms, E3, [T3]})
end,
?line ok = disk_log:close(a),
?line ok = disk_log:close(b),
?line ok = disk_log:close(c),
del(File1, 3),
del(File2, 3),
del(File3, 3).
%% Test disk log, force a change to next file.
inc_wrap_file(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File1 = filename:join(Dir, "a.LOG"),
File2 = filename:join(Dir, "b.LOG"),
File3 = filename:join(Dir, "c.LOG"),
%% Test that halt logs gets an error message
?line {ok, a} = disk_log:open([{name, a}, {type, halt},
{format, internal},
{file, File1}]),
?line ok = disk_log:log(a, "message one"),
?line {error, {halt_log, a}} = disk_log:inc_wrap_file(a),
%% test an internally formatted wrap log file
?line {ok, b} = disk_log:open([{name, b}, {type, wrap}, {size, {100,3}},
{format, internal}, {head, 'thisisahead'},
{file, File2}]),
?line ok = disk_log:log(b, "message one"),
?line ok = disk_log:inc_wrap_file(b),
?line ok = disk_log:log(b, "message two"),
?line ok = disk_log:inc_wrap_file(b),
?line ok = disk_log:log(b, "message three"),
?line ok = disk_log:inc_wrap_file(b),
?line ok = disk_log:log(b, "message four"),
?line T1 = get_all_terms(b),
?line ['thisisahead', "message two",
'thisisahead', "message three",
'thisisahead', "message four"] = T1,
%% test an externally formatted wrap log file
?line {ok, c} = disk_log:open([{name, c}, {type, wrap}, {size, {100,3}},
{format,external}, {head,"this is a head "},
{file, File3}]),
?line ok = disk_log:blog(c, "message one"),
?line ok = disk_log:inc_wrap_file(c),
?line ok = disk_log:blog(c, "message two"),
?line ok = disk_log:inc_wrap_file(c),
?line ok = disk_log:blog(c, "message three"),
?line ok = disk_log:inc_wrap_file(c),
?line ok = disk_log:blog(c, "message four"),
?line ok = disk_log:sync(c),
?line {ok, Fd31} = file:open(File3 ++ ".1", [read]),
?line {ok,"this is a head message four"} = file:read(Fd31, 200),
?line {ok, Fd32} = file:open(File3 ++ ".2", [read]),
?line {ok,"this is a head message two"} = file:read(Fd32, 200),
?line {ok, Fd33} = file:open(File3 ++ ".3", [read]),
?line {ok,"this is a head message three"} = file:read(Fd33, 200),
?line ok = file:close(Fd31),
?line ok = file:close(Fd32),
?line ok = file:close(Fd33),
?line ok = disk_log:close(a),
?line ok = disk_log:close(b),
?line ok = disk_log:close(c),
?line ok = file:delete(File1),
del(File2, 3),
del(File3, 3).
%% Test halt disk log, external, infinity.
halt_ext_inf(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,infinity},
{format,external},
{file, File}]),
?line xsimple_log(File, a),
?line ok = disk_log:close(a),
?line ok = file:delete(File).
%% Test halt disk log, external, size defined.
halt_ext_sz_1(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,18000},
{format,external},
{file, File}]),
xsimple_log(File, a),
?line ok = disk_log:truncate(a),
?line [] = get_list(File, a),
{B1, T1} = x_mk_bytes(10000),
{B2, T2} = x_mk_bytes(5000),
{B3, T3} = x_mk_bytes(1000),
?line ok = disk_log:blog(a, B1),
?line case get_list(File, a) of
T1 ->
ok;
E1 ->
test_server_fail({bad_terms, E1, T1})
end,
?line ok = disk_log:blog(a, B2),
?line {error, {full, a}} = disk_log:blog_terms(a, [B3,B3,B1]),
?line ok = disk_log:balog(a, B1),
?line Tmp = T1 ++ T2 ++ T3 ++ T3,
?line case get_list(File, a) of
Tmp ->
ok;
E2 ->
test_server_fail({bad_terms, E2, Tmp})
end,
?line ok = disk_log:close(a),
?line ok = file:delete(File).
%% Test halt disk log, external, size defined.
halt_ext_sz_2(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File1 = filename:join(Dir, "a.LOG"),
File2 = filename:join(Dir, "b.LOG"),
File3 = filename:join(Dir, "c.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {type,halt}, {size,8191},
{format,external},
{file, File1}]),
?line {ok, b} = disk_log:open([{name,b}, {type,halt}, {size,8192},
{format,external},
{file, File2}]),
?line {ok, c} = disk_log:open([{name,c}, {type,halt}, {size,8193},
{format,external},
{file, File3}]),
{B1, T1} = x_mk_bytes(8191),
{B2, T2} = x_mk_bytes(8192),
{B3, T3} = x_mk_bytes(8193),
?line ok = disk_log:blog(a, B1),
?line ok = disk_log:blog(b, B2),
?line ok = disk_log:blog(c, B3),
?line case get_list(File1, a) of
T1 ->
ok;
E1 ->
test_server_fail({bad_terms, E1, T1})
end,
?line case get_list(File2, b) of
T2 ->
ok;
E2 ->
test_server_fail({bad_terms, E2, T2})
end,
?line case get_list(File3, c) of
T3 ->
ok;
E3 ->
test_server_fail({bad_terms, E3, T3})
end,
?line ok = disk_log:truncate(a),
?line ok = disk_log:truncate(b),
?line {error, {full, a}} = disk_log:blog(a, B2),
?line Error1 = {error, {full, b}} = disk_log:blog(b, B3),
?line "The halt log" ++ _ = format_error(Error1),
?line true = info(b, full, false),
?line [] = get_list(File1, a),
?line [] = get_list(File2, b),
?line ok = disk_log:close(a),
?line ok = disk_log:close(b),
?line ok = disk_log:close(c),
?line ok = file:delete(File1),
?line ok = file:delete(File2),
?line ok = file:delete(File3),
ok.
%% Test wrap disk log, external, size defined.
wrap_ext_1(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {type,wrap}, {size,{8000, 4}},
{format,external},
{file, File}]),
x2simple_log(File ++ ".1", a),
?line ok = disk_log:close(a),
% del(File, 4),
?line {ok, a} = disk_log:open([{name,a}, {type,wrap}, {size,{8000, 4}},
{format,external},
{file, File}]),
{B1, _T1} = x_mk_bytes(10000), % file 2
{B2, T2} = x_mk_bytes(5000), % file 3
{B3, T3} = x_mk_bytes(4000), % file 4
{B4, T4} = x_mk_bytes(2000), % file 4
{B5, T5} = x_mk_bytes(5000), % file 1
{B6, T6} = x_mk_bytes(5000), % file 2
?line ok = disk_log:blog(a, B1),
?line ok = disk_log:blog(a, B2),
?line ok = disk_log:blog(a, B3),
?line ok = disk_log:blog_terms(a, [B4, B5, B6]),
?line case get_list(File ++ ".3", a) of
T2 ->
ok;
E2 ->
test_server_fail({bad_terms, E2, T2})
end,
?line T34 = T3 ++ T4,
?line case get_list(File ++ ".4", a) of
T34 ->
ok;
E34 ->
test_server_fail({bad_terms, E34, T34})
end,
?line case get_list(File ++ ".1", a) of
T5 ->
ok;
E5 ->
test_server_fail({bad_terms, E5, T5})
end,
?line case get_list(File ++ ".2", a) of
T6 ->
ok;
E6 ->
test_server_fail({bad_terms, E6, T6})
end,
?line ok = disk_log:close(a),
del(File, 4).
%% Test wrap disk log, external, size defined.
wrap_ext_2(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File1 = filename:join(Dir, "a.LOG"),
File2 = filename:join(Dir, "b.LOG"),
File3 = filename:join(Dir, "c.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {type,wrap}, {size,{8191,3}},
{format,external},
{file, File1}]),
?line {ok, b} = disk_log:open([{name,b}, {type,wrap}, {size,{8192,3}},
{format,external},
{file, File2}]),
?line {ok, c} = disk_log:open([{name,c}, {type,wrap}, {size,{8193,3}},
{format,external},
{file, File3}]),
{B1, T1} = x_mk_bytes(8191),
{B2, T2} = x_mk_bytes(8192),
{B3, T3} = x_mk_bytes(8193),
?line ok = disk_log:blog(a, B1),
?line ok = disk_log:blog(b, B2),
?line ok = disk_log:blog(c, B3),
?line case get_list(File1 ++ ".1", a) of
T1 ->
ok;
E1 ->
test_server_fail({bad_terms, E1, T1})
end,
?line case get_list(File2 ++ ".1", b) of
T2 ->
ok;
E2 ->
test_server_fail({bad_terms, E2, T2})
end,
?line case get_list(File3 ++ ".1", c) of
T3 ->
ok;
E3 ->
test_server_fail({bad_terms, E3, T3})
end,
?line ok = disk_log:close(a),
?line ok = disk_log:close(b),
?line ok = disk_log:close(c),
?line del(File1, 3),
?line del(File2, 3),
?line del(File3, 3),
ok.
simple_log(Log) ->
T1 = "hej",
T2 = hopp,
T3 = {tjena, 12},
T4 = mk_bytes(10000),
?line ok = disk_log:log(Log, T1),
?line ok = disk_log:log_terms(Log, [T2, T3]),
?line case get_all_terms(Log) of
[T1, T2, T3] ->
ok;
E1 ->
test_server_fail({bad_terms, E1, [T1, T2, T3]})
end,
?line ok = disk_log:log(a, T4),
?line case get_all_terms(Log) of
[T1, T2, T3, T4] ->
ok;
E2 ->
test_server_fail({bad_terms, E2, [T1, T2, T3, T4]})
end.
xsimple_log(File, Log) ->
T1 = "hej",
T2 = list_to_binary("hopp"),
T3 = list_to_binary(["sena", list_to_binary("sejer")]),
T4 = list_to_binary(By = mk_bytes(10000)),
?line ok = disk_log:blog(Log, T1),
?line ok = disk_log:blog_terms(Log, [T2, T3]),
?line X = "hejhoppsenasejer",
?line X2 = get_list(File, Log),
?line case X2 of
X -> ok;
Z1 -> test_server_fail({bad_terms, Z1, X2})
end,
?line ok = disk_log:blog(Log, T4),
?line Tmp = get_list(File, Log),
?line case X ++ By of
Tmp -> ok;
Z2 -> test_server_fail({bad_terms, Z2, X ++ By})
end.
x2simple_log(File, Log) ->
T1 = "hej",
T2 = list_to_binary("hopp"),
T3 = list_to_binary(["sena", list_to_binary("sejer")]),
T4 = list_to_binary(By = mk_bytes(1000)),
?line ok = disk_log:blog(Log, T1),
?line ok = disk_log:blog_terms(Log, [T2, T3]),
?line X = "hejhoppsenasejer",
?line X2 = get_list(File, Log),
?line case X2 of
X -> ok;
Z1 -> test_server_fail({bad_terms, Z1, X2})
end,
?line ok = disk_log:blog(Log, T4),
?line Tmp = get_list(File, Log),
?line case X ++ By of
Tmp -> ok;
Z2 -> test_server_fail({bad_terms, Z2, X ++ By})
end.
x_mk_bytes(N) ->
X = lists:duplicate(N, $a),
{list_to_binary(X), X}.
mk_bytes(N) when N > 4 ->
X = lists:duplicate(N-4, $a),
case byte_size(term_to_binary(X)) of
N -> X;
Z -> test_server_fail({bad_terms, Z, N})
end.
get_list(File, Log) ->
ct:pal(?HI_VERBOSITY, "File ~p~n", [File]),
ok = disk_log:sync(Log),
{ok, B} = file:read_file(File),
binary_to_list(B).
get_all_terms(Log, File, Type) ->
{ok, _Log} = disk_log:open([{name,Log}, {type,Type}, {size,infinity},
{format,internal}, {file, File},
{mode, read_only}]),
Ts = get_all_terms(Log),
ok = disk_log:close(Log),
Ts.
get_all_terms(Log) ->
get_all_terms1(Log, start, []).
get_all_terms1(Log, Cont, Res) ->
case disk_log:chunk(Log, Cont) of
{error, _R} ->
test_server_fail({bad_chunk, Log, Cont});
{Cont2, Terms} ->
get_all_terms1(Log, Cont2, Res ++ Terms);
eof ->
Res
end.
get_all_terms_and_bad(Log, File, Type) ->
{ok, _Log} = disk_log:open([{name,Log}, {type,Type}, {size,infinity},
{format,internal}, {file, File},
{mode, read_only}]),
Ts = get_all_terms_and_bad(Log),
ok = disk_log:close(Log),
Ts.
get_all_terms_and_bad(Log) ->
?line read_only = info(Log, mode, foo),
get_all_terms_and_bad1(Log, start, [], 0).
%%
get_all_terms_and_bad1(Log, Cont, Res, Bad0) ->
case disk_log:chunk(Log, Cont) of
{Cont2, Terms} ->
get_all_terms_and_bad1(Log, Cont2, Res ++ Terms, Bad0);
{Cont2, Terms, Bad} ->
get_all_terms_and_bad1(Log, Cont2, Res ++ Terms, Bad0+Bad);
eof ->
{Res, Bad0}
end.
get_all_binary_terms_and_bad(Log, File, Type) ->
{ok, _Log} = disk_log:open([{name,Log}, {type,Type}, {size,infinity},
{format,internal}, {file, File},
{mode, read_only}]),
Ts = get_all_binary_terms_and_bad(Log),
ok = disk_log:close(Log),
Ts.
get_all_binary_terms_and_bad(Log) ->
read_only = info(Log, mode, foo),
get_all_binary_terms_and_bad1(Log, start, [], 0).
%%
get_all_binary_terms_and_bad1(Log, Cont, Res, Bad0) ->
case disk_log:bchunk(Log, Cont) of
{Cont2, BinTerms} ->
get_all_binary_terms_and_bad1(Log, Cont2, Res ++ BinTerms, Bad0);
{Cont2, BinTerms, Bad} ->
get_all_binary_terms_and_bad1(Log, Cont2, Res ++ BinTerms,
Bad0+Bad);
eof ->
{Res, Bad0}
end.
del(File, 0) ->
file:delete(File ++ ".siz"),
file:delete(File ++ ".idx");
del(File, N) ->
file:delete(File ++ "." ++ integer_to_list(N)),
del(File, N-1).
test_server_fail(R) ->
exit({?MODULE, get(line), R}).
xx() ->
File = "a.LOG",
{ok, a} = disk_log:open([{name,a}, {type,halt}, {size,infinity},
{format,internal}, {file, File}]),
W = xwr(a, 400),
disk_log:close(a),
% file:delete(File),
W.
%% old: 6150
%% new: 5910
xwr(Log, BytesItem) ->
NoW = 1000,
Item1 = mk_bytes(BytesItem),
Item2 = mk_bytes(BytesItem),
Item3 = mk_bytes(BytesItem),
Item4 = mk_bytes(BytesItem),
Item5 = mk_bytes(BytesItem),
Item6 = mk_bytes(BytesItem),
Item7 = mk_bytes(BytesItem),
Item8 = mk_bytes(BytesItem),
Item9 = mk_bytes(BytesItem),
Item0 = mk_bytes(BytesItem),
Term = [Item1,Item2,Item3,Item4,Item5,Item6,Item7,Item8,Item9,Item0],
{W, _} = timer:tc(?MODULE, wr, [Log, Term, NoW]),
W/NoW.
measure() ->
proc_lib:start_link(?MODULE, init_m, [self()]).
init_m(Par) ->
process_flag(trap_exit, true),
Res = m(),
proc_lib:init_ack(Par, Res).
m() ->
{W10, R10, Rep10, C10} = m_halt_int(10),
{W11, R11, Rep11, C11} = m_halt_int(100),
{W12, R12, Rep12, C12} = m_halt_int(400),
{W13, R13, Rep13, C13} = m_halt_int(1000),
{W14, R14, Rep14, C14} = m_halt_int(10000),
{W2, R2, Rep2, C2} = m_wrap_int(400),
{W3, R3, Rep3, C3} = m_many_halt_int(10, 400),
{W4, R4, Rep4, C4} = m_many_halt_int(20, 400),
{W5, R5, Rep5, C5} = m_many_halt_int(10, 1000),
{W6, R6, Rep6, C6} = m_many_halt_int(10, 10),
{W7, R7, Rep7, C7} = m_many_halt_int(20, 10),
io:format("Type of log mysec/write mysec/read"
" mysec/repair byte cpu/write\n"),
io:format("=========== =========== =========="
" ================= =========\n"),
one_line("halt,int.inf. (10)", W10, R10, Rep10, C10),
one_line("halt,int.inf. (100)", W11, R11, Rep11, C11),
one_line("halt,int.inf. (400)", W12, R12, Rep12, C12),
one_line("halt,int.inf. (1000)", W13, R13, Rep13, C13),
one_line("halt,int.inf. (10000)", W14, R14, Rep14, C14),
one_line("wrap,int. 4. (400)", W2, R2, Rep2, C2),
one_line("halt,int.inf. (10,10)", W6, R6, Rep6, C6),
one_line("halt,int.inf. (20,10)", W7, R7, Rep7, C7),
one_line("halt,int.inf. (10,400)", W3, R3, Rep3, C3),
one_line("halt,int.inf. (20,400)", W4, R4, Rep4, C4),
one_line("halt,int.inf. (10,1000)", W5, R5, Rep5, C5),
io:format("\n"),
io:format("\tWrap log time depends on how often the log wraps, as this\n"),
io:format("\tinvolves opening of new files, which costs alot."),
io:format("\n").
one_line(Txt, W, R, Rep, C) ->
io:format("~.22s ~.10w ~.10w ~.17w ~.9w\n", [Txt, W, R, Rep, C]).
m_halt_int(BytesItem) ->
File = "a.LOG",
{ok, a} = disk_log:open([{name,a}, {type,halt}, {size,infinity},
{format,internal}, {file, File}]),
{T,W} = wr(a, BytesItem),
R = r(a),
[{_,P}] = ets:lookup(?DISK_LOG_NAME_TABLE, a),
exit(P, kill),
receive after 100 -> ok end,
crash(File, 10),
Sz = file_size(File),
Start = start_times(),
{repaired, a, {recovered, Rec}, {badbytes, Bad}} =
disk_log:open([{name,a}, {type,halt}, {size,infinity},
{format,internal}, {file, File}]),
{_,Rep} = end_times(Start),
io:format("m_halt_int: Rep = ~p, Rec = ~p, Bad = ~p~n", [Rep, Rec, Bad]),
disk_log:close(a),
file:delete(File),
{W,R,1000*Rep/Sz,T}.
m_wrap_int(BytesItem) ->
File = "a.LOG",
{ok, a} = disk_log:open([{name,a}, {type,wrap}, {size,{405*1000, 4}},
{format,internal}, {file, File}]),
{T,W} = wr(a, BytesItem),
R = r(a),
[{_,P}] = ets:lookup(?DISK_LOG_NAME_TABLE, a),
exit(P, kill),
receive after 100 -> ok end,
del(File, 4),
{W,R,'n/a',T}.
m_many_halt_int(NoClients, BytesItem) ->
Name = 'log.LOG',
File = "log.LOG",
{ok, _} = disk_log:open([{name,Name}, {type,halt},
{size,infinity},
{format,internal}, {file,File}]),
NoW = round(lists:max([lists:min([5000000/BytesItem/NoClients,
50000/NoClients]),
1000])),
{T,W} = many_wr(NoClients, Name, NoW, BytesItem),
ok = disk_log:close(Name),
file:delete(File),
{1000*W/NoW/NoClients,'n/a','n/a',1000*T/NoW/NoClients}.
many_wr(NoClients, Log, NoW, BytesItem) ->
Item = mk_bytes(BytesItem),
Fun = fun(Name, _Pid, _I) -> disk_log:log(Name, Item) end,
Start = start_times(),
Pids = spawn_clients(NoClients, client, [self(), Log, NoW, Fun]),
check_clients(Pids),
end_times(Start).
wr(Log, BytesItem) ->
NoW = round(lists:max([lists:min([5000000/BytesItem,50000]),1000])),
Item = mk_bytes(BytesItem),
Start = start_times(),
wr(Log, Item, NoW),
{T,W} = end_times(Start),
{1000*T/NoW, 1000*W/NoW}.
wr(Log, _Item, 0) ->
disk_log:sync(Log),
ok;
wr(Log, Item, N) ->
ok = disk_log:log(Log, Item),
wr(Log, Item, N-1).
r(_) ->
nyi.
start_times() ->
{T1, _} = statistics(runtime),
{W1, _} = statistics(wall_clock),
{T1, W1}.
end_times({T1,W1}) ->
{T2, _} = statistics(runtime),
{W2, _} = statistics(wall_clock),
{T2-T1, W2-W1}.
%% Test head parameter.
head_func(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
ets:new(xxx, [named_table, set, public]),
ets:insert(xxx, {wrapc, 0}),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap},
{size, {100,4}},
{head_func, {?MODULE, hf, []}}]),
?line B = mk_bytes(60),
?line disk_log:log(a, B),
?line disk_log:alog(a, B),
?line disk_log:alog(a, B),
?line disk_log:log(a, B),
H = [1,2,3],
?line [{wrapc, 4}] = ets:lookup(xxx, wrapc),
ets:delete(xxx),
?line case get_all_terms(a) of
[H,B,H,B,H,B,H,B] ->
ok;
E1 ->
test_server_fail({bad_terms, E1,
[H,B,H,B,H,B,H,B]})
end,
?line 8 = no_written_items(a),
disk_log:close(a),
del(File, 4),
% invalid header function
?line {error, {invalid_header, {_, {term}}}} =
disk_log:open([{name, n}, {file, File}, {type, halt},
{format, external},
{head_func, {?MODULE, head_fun, [{term}]}}]),
file:delete(File),
?line {error, {invalid_header, _}} =
disk_log:open([{name, n}, {file, File}, {type, halt},
{format, external},
{head_func, {?MODULE, head_fun, [{ok,{term}}]}}]),
file:delete(File),
?line {ok,n} =
disk_log:open([{name, n}, {file, File}, {type, halt},
{format, external},
{head_func, {?MODULE, head_fun, [{ok,<<"head">>}]}}]),
?line ok = disk_log:close(n),
?line {ok,<<"head">>} = file:read_file(File),
file:delete(File),
?line {ok,n} =
disk_log:open([{name, n}, {file, File}, {type, halt},
{format, external},
{head_func, {?MODULE, head_fun, [{ok,"head"}]}}]),
?line ok = disk_log:close(n),
?line {ok,<<"head">>} = file:read_file(File),
file:delete(File),
?line Error1 = {error, {badarg, _}} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{head_func, {tjo,hej,san}},{size, {100, 4}}]),
?line "The argument " ++ _ = format_error(Error1),
?line Error2 = {error, {invalid_header, _}} =
disk_log:open([{name, n}, {file, File}, {type, halt},
{head_func, {tjo,hej,[san]}}]),
?line "The disk log header" ++ _ = format_error(Error2),
file:delete(File).
head_fun(H) ->
H.
hf() ->
ets:update_counter(xxx, wrapc, 1),
{ok, [1,2,3]}.
%% Test head parameter.
plain_head(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
H = [1,2,3],
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap},
{size, {100,4}}, {head, H}]),
%% This one is not "counted".
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap},
{size, {100,4}}, {head, H}]),
?line B = mk_bytes(60),
?line disk_log:log(a, B),
?line disk_log:alog(a, B),
?line disk_log:alog(a, B),
?line disk_log:log(a, B),
?line case get_all_terms(a) of
[H,B,H,B,H,B,H,B] ->
ok;
E1 ->
test_server_fail({bad_terms, E1,
[H,B,H,B,H,B,H,B]})
end,
?line 8 = no_written_items(a),
?line ok = disk_log:close(a),
?line {error, no_such_log} = disk_log:close(a),
del(File, 4).
%% Test that a header is just printed once in a log file.
one_header(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
H = [1,2,3],
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap},
{size, {100,4}}, {head, H}]),
?line B = mk_bytes(60),
?line ok = disk_log:log(a, B),
?line ok = disk_log:alog(a, B),
?line ok = disk_log:alog(a, B),
?line ok = disk_log:log(a, B),
?line case get_all_terms(a) of
[H,B,H,B,H,B,H,B] ->
ok;
E1 ->
test_server_fail({bad_terms, E1,
[H,B,H,B,H,B,H,B]})
end,
?line 8 = no_written_items(a),
?line ok = disk_log:close(a),
del(File, 4),
Fileb = filename:join(Dir, "b.LOG"),
?line {ok, b} = disk_log:open([{name,b}, {file, Fileb}, {head, H}]),
?line ok = disk_log:close(b),
?line {ok, b} = disk_log:open([{name,b}, {file, Fileb}, {head, H}]),
?line ok = disk_log:log(b, "first log"),
?line ok = disk_log:alog(b, "second log"),
?line ok = disk_log:close(b),
?line {ok, b} = disk_log:open([{name,b}, {file, Fileb}, {head, H}]),
?line ok = disk_log:alog(b, "3rd log"),
?line ok = disk_log:log(b, "4th log"),
?line case get_all_terms(b) of
[H, "first log", "second log", "3rd log", "4th log"] ->
ok;
E2 ->
test_server_fail({bad_terms, E2,
[H, "first log", "second log",
"3rd log", "4th log"]})
end,
?line 2 = no_written_items(b),
?line ok = disk_log:close(b),
?line ok = file:delete(Fileb),
Filec = filename:join(Dir, "c.LOG"),
H2 = "this is a header ",
?line {ok, c} = disk_log:open([{name,c}, {format, external},
{file, Filec}, {head, H2}]),
?line ok = disk_log:close(c),
?line {ok, c} = disk_log:open([{name,c}, {format, external},
{file, Filec}, {head, H2}]),
?line ok = disk_log:blog(c, "first log"),
?line ok = disk_log:balog(c, "second log"),
?line ok = disk_log:close(c),
?line {ok, c} = disk_log:open([{name,c}, {format, external},
{file, Filec}, {head, H2}]),
?line ok = disk_log:balog(c, "3rd log"),
?line ok = disk_log:blog(c, "4th log"),
?line ok = disk_log:sync(c),
?line {ok, Fdc} = file:open(Filec, [read]),
?line {ok,"this is a header first logsecond log3rd log4th log"} =
file:read(Fdc, 200),
?line ok = file:close(Fdc),
?line 2 = no_written_items(c),
?line disk_log:close(c),
?line ok = file:delete(Filec),
ok.
%% Test notify parameter, wrap.
wrap_notif(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap},
{size, {100,4}}, {notify, true}]),
?line B = mk_bytes(60),
?line disk_log:log(a, B),
?line disk_log:alog(a, B),
?line disk_log:alog(a, B),
?line disk_log:log(a, B),
?line disk_log:log(a, B),
?line rec(3, {disk_log, node(), a, {wrap, 0}}),
?line rec(1, {disk_log, node(), a, {wrap, 1}}),
disk_log:close(a),
del(File, 4).
%% Test notify parameter, wrap, filled file.
full_notif(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
file:delete(File),
?line {ok, a} = disk_log:open([{name, a}, {file, File}, {type, halt},
{size, 100}, {notify, true}]),
?line B = mk_bytes(60),
?line disk_log:log(a, B),
?line disk_log:alog(a, B),
?line rec(1, {disk_log, node(), a, full}),
disk_log:close(a),
file:delete(File).
%% Test notify parameter, wrap, truncated file.
trunc_notif(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
File2 = filename:join(Dir, "a.DUMP"),
?line {ok, a} = disk_log:open([{name, a}, {file, File}, {type, halt},
{size, 100}, {notify, true}]),
?line B = mk_bytes(60),
?line disk_log:log(a, B),
?line disk_log:truncate(a),
?line rec(1, {disk_log, node(), a, {truncated, 1}}),
?line disk_log:log(a, B),
?line ok = disk_log:reopen(a, File2),
?line rec(1, {disk_log, node(), a, {truncated, 1}}),
disk_log:close(a),
file:delete(File),
file:delete(File2).
%% Test notify parameters 'format_external' and 'blocked_log.
blocked_notif(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "n.LOG"),
No = 4,
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{size, {100,No}}, {notify, true},
{format, external}]),
?line B = mk_bytes(60),
?line Error1 = {error,{format_external,n}} = disk_log:log(n, B),
?line "The requested operation" ++ _ = format_error(Error1),
?line ok = disk_log:blog(n, B),
?line ok = disk_log:alog(n, B),
?line rec(1, {disk_log, node(), n, {format_external, term_to_binary(B)}}),
?line ok = disk_log:alog_terms(n, [B,B,B,B]),
?line rec(1, {disk_log, node(), n, {format_external,
lists:map(fun term_to_binary/1, [B,B,B,B])}}),
?line ok = disk_log:block(n, false),
?line ok = disk_log:alog(n, B),
?line rec(1, {disk_log, node(), n, {blocked_log, term_to_binary(B)}}),
?line ok = disk_log:balog(n, B),
?line rec(1, {disk_log, node(), n, {blocked_log, list_to_binary(B)}}),
?line ok = disk_log:balog_terms(n, [B,B,B,B]),
?line disk_log:close(n),
?line rec(1, {disk_log, node(), n, {blocked_log,
lists:map(fun list_to_binary/1, [B,B,B,B])}}),
?line del(File, No).
%% Test the new version of the .idx file.
new_idx_vsn(Conf) when is_list(Conf) ->
DataDir = ?datadir(Conf),
PrivDir = ?privdir(Conf),
File = filename:join(PrivDir, "new_vsn.LOG"),
Kurt = filename:join(PrivDir, "kurt.LOG"),
Kurt2 = filename:join(PrivDir, "kurt2.LOG"),
%% Test that a wrap log file can have more than 255 files
?line {ok, new_vsn} = disk_log:open([{file, File}, {name, new_vsn},
{type, wrap}, {size, {40, 270}}]),
?line ok = log(new_vsn, 280),
?line {ok, Bin} = file:read_file(add_ext(File, "idx")),
?line <<0,0:32,2,10:32,1:64,1:64,_/binary>> = Bin,
?line disk_log:close(new_vsn),
?line del(File, 270),
%% convert a very old version (0) of wrap log file to the new format (2)
copy_wrap_log("kurt.LOG", 4, DataDir, PrivDir),
?line {repaired, kurt, {recovered, 1}, {badbytes, 0}} =
disk_log:open([{file, Kurt}, {name, kurt},
{type, wrap}, {size, {40, 4}}]),
?line ok = disk_log:log(kurt, "this is a logged message number X"),
?line ok = disk_log:log(kurt, "this is a logged message number Y"),
?line {ok, BinK} = file:read_file(add_ext(Kurt, "idx")),
?line <<0,0:32,2,2:32,1:64,1:64,1:64,1:64>> = BinK,
?line {{40,4}, 2} = disk_log_1:read_size_file_version(Kurt),
disk_log:close(kurt),
?line del(Kurt, 4),
%% keep the old format (1)
copy_wrap_log("kurt2.LOG", 4, DataDir, PrivDir),
?line {repaired, kurt2, {recovered, 1}, {badbytes, 0}} =
disk_log:open([{file, Kurt2}, {name, kurt2},
{type, wrap}, {size, {40, 4}}]),
?line ok = disk_log:log(kurt2, "this is a logged message number X"),
?line ok = disk_log:log(kurt2, "this is a logged message number Y"),
?line {ok, BinK2} = file:read_file(add_ext(Kurt2, "idx")),
?line <<0,2:32,1:32,1:32,1:32,1:32>> = BinK2,
?line {{40,4}, 1} = disk_log_1:read_size_file_version(Kurt2),
disk_log:close(kurt2),
?line del(Kurt2, 4),
ok.
%% Test reopen/1 on halt and wrap logs.
reopen(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
?line File = filename:join(Dir, "n.LOG"),
?line NewFile = filename:join(Dir, "nn.LOG"),
?line B = mk_bytes(60),
?line file:delete(File), % cleanup
?line file:delete(NewFile), % cleanup
?line Q = qlen(),
%% External halt log.
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{notify, true}, {head, "header"},
{size, infinity},{format, external}]),
?line ok = disk_log:blog(n, B),
?line ok = disk_log:breopen(n, NewFile, "head"),
?line rec(1, {disk_log, node(), n, {truncated, 2}}),
?line ok = disk_log:blog(n, B),
?line ok = disk_log:blog(n, B),
?line ok = disk_log:breopen(n, NewFile, "head"),
?line rec(1, {disk_log, node(), n, {truncated, 3}}),
?line ok = disk_log:close(n),
?line {ok,BinaryFile} = file:read_file(File),
?line "head" = binary_to_list(BinaryFile),
?line file:delete(File),
?line file:delete(NewFile),
%% Internal halt log.
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{notify, true}, {head, header},
{size, infinity}]),
?line ok = disk_log:log(n, B),
?line Error1 = {error, {same_file_name, n}} = disk_log:reopen(n, File),
?line "Current and new" ++ _ = format_error(Error1),
?line ok = disk_log:reopen(n, NewFile),
?line rec(1, {disk_log, node(), n, {truncated, 2}}),
?line ok = disk_log:log(n, B),
?line ok = disk_log:log(n, B),
?line ok = disk_log:reopen(n, NewFile),
?line rec(1, {disk_log, node(), n, {truncated, 3}}),
?line ok = disk_log:close(n),
?line [header, _B, _B] = get_all_terms(nn, NewFile, halt),
?line file:delete(File),
?line file:delete(NewFile),
%% Internal wrap log.
?line No = 4,
?line del(File, No), % cleanup
?line del(NewFile, No), % cleanup
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{notify, true},
{head, header}, {size, {100, No}}]),
?line ok = disk_log:log(n, B),
?line ok = disk_log:log_terms(n, [B,B,B]),
%% Used to be one message, but now one per wrapped file.
?line rec(3, {disk_log, node(), n, {wrap, 0}}),
?line ok = disk_log:log_terms(n, [B]),
?line rec(1, {disk_log, node(), n, {wrap, 2}}),
?line ok = disk_log:log_terms(n, [B]),
?line rec(1, {disk_log, node(), n, {wrap, 2}}),
?line ok = disk_log:reopen(n, NewFile, new_header),
?line rec(1, {disk_log, node(), n, {truncated, 8}}),
?line ok = disk_log:log_terms(n, [B,B]),
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line ok = disk_log:log_terms(n, [B]),
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line ok = disk_log:close(n),
?line [header, _, header, _, header, _, header, _] =
get_all_terms(nn, NewFile, wrap),
?line [new_header, _, header, _, header, _] = get_all_terms(n, File, wrap),
?line del(NewFile, No),
?line file:delete(File ++ ".2"),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{notify, true},
{head, header}, {size, {100, No}}]),
%% One file is missing...
?line ok = disk_log:reopen(n, NewFile),
?line rec(1, {disk_log, node(), n, {truncated, 6}}),
?line ok = disk_log:close(n),
?line del(File, No),
?line del(NewFile, No),
?line Q = qlen(),
ok.
%% Test block/1 on external and internal logs.
block_blocked(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
?line B = mk_bytes(60),
Halt = join(Dir, "halt.LOG"),
% External logs.
?line file:delete(Halt), % cleanup
?line {ok, halt} = disk_log:open([{name, halt}, {type, halt},
{format, external}, {file, Halt}]),
?line ok = disk_log:sync(halt),
?line ok = disk_log:block(halt, false),
?line Error1 = {error, {blocked_log, halt}} = disk_log:block(halt),
?line "The blocked disk" ++ _ = format_error(Error1),
?line {error, {blocked_log, halt}} = disk_log:sync(halt),
?line {error, {blocked_log, halt}} = disk_log:truncate(halt),
?line {error, {blocked_log, halt}} = disk_log:change_size(halt, infinity),
?line {error, {blocked_log, halt}} =
disk_log:change_notify(halt, self(), false),
?line {error, {blocked_log, halt}} =
disk_log:change_header(halt, {head, header}),
?line {error, {blocked_log, halt}} = disk_log:reopen(halt, "foo"),
?line ok = disk_log:close(halt),
?line {ok, halt} = disk_log:open([{name, halt}, {type, halt},
{format, external}]),
?line ok = disk_log:sync(halt),
?line ok = disk_log:block(halt, true),
?line {error, {blocked_log, halt}} = disk_log:blog(halt, B),
?line {error, {blocked_log, halt}} = disk_log:blog(halt, B),
?line {error, {blocked_log, halt}} = disk_log:block(halt),
?line {error, {blocked_log, halt}} = disk_log:sync(halt),
?line {error, {blocked_log, halt}} = disk_log:truncate(halt),
?line {error, {blocked_log, halt}} = disk_log:change_size(halt, infinity),
?line {error, {blocked_log, halt}} =
disk_log:change_notify(halt, self(), false),
?line {error, {blocked_log, halt}} =
disk_log:change_header(halt, {head, header}),
?line {error, {blocked_log, halt}} = disk_log:reopen(halt, "foo"),
?line ok = disk_log:unblock(halt),
?line ok = disk_log:close(halt),
?line file:delete(Halt),
% Internal logs.
?line File = filename:join(Dir, "n.LOG"),
?line No = 4,
?line del(File, No), % cleanup
?line {ok, halt} = disk_log:open([{name, halt}, {file, File}, {type, wrap},
{size, {100, No}}]),
?line ok = disk_log:block(halt, true),
?line eof = disk_log:chunk(halt, start),
?line Error2 = {error, end_of_log} = disk_log:chunk_step(halt, start, 1),
?line "An attempt" ++ _ = format_error(Error2),
?line {error, {blocked_log, halt}} = disk_log:log(halt, B),
?line {error, {blocked_log, halt}} = disk_log:inc_wrap_file(halt),
?line ok = disk_log:unblock(halt),
?line ok = disk_log:block(halt, false),
?line {error, {blocked_log, halt}} = disk_log:log(halt, B),
?line {error, {blocked_log, halt}} = disk_log:inc_wrap_file(halt),
?line Parent = self(),
?line Pid =
spawn_link(fun() ->
{error, {blocked_log, halt}} =
disk_log:chunk(halt, start),
{error, {blocked_log, halt}} =
disk_log:chunk_step(halt, start, 1),
Parent ! {self(), stopped}
end),
?line receive {Pid,stopped} -> ok end,
?line ok = disk_log:close(halt),
?line del(File, No).
%% Run commands from the queue by unblocking.
block_queue(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
?line Q = qlen(),
?line File = filename:join(Dir, "n.LOG"),
?line No = 4,
?line del(File, No), % cleanup
?line B = mk_bytes(60),
?line Pid = spawn_link(?MODULE, lserv, [n]),
?line {ok, n} = sync_do(Pid, {open, File}),
?line ok = disk_log:block(n, true),
?line async_do(Pid, {blog, B}),
?line ok = disk_log:unblock(n),
?line ok = get_reply(),
?line 1 = no_written_items(n),
?line Error1 = {error,{not_blocked,n}} = disk_log:unblock(n),
?line "The disk log" ++ _ = format_error(Error1),
?line ok = disk_log:block(n, true),
?line async_do(Pid, {balog, "one string"}),
?line ok = disk_log:unblock(n),
?line ok = get_reply(),
?line 2 = no_written_items(n),
?line ok = disk_log:block(n, true),
?line async_do(Pid, sync),
?line ok = disk_log:unblock(n),
?line ok = get_reply(),
?line ok = disk_log:block(n, true),
?line async_do(Pid, truncate),
?line ok = disk_log:unblock(n),
?line ok = get_reply(),
?line 0 = no_items(n),
?line ok = disk_log:block(n, true),
?line async_do(Pid, {block, false}),
?line ok = disk_log:unblock(n),
?line ok = get_reply(),
?line {error, {blocked_log, _}} = disk_log:blog(n, B),
?line ok = sync_do(Pid, unblock),
?line ok = disk_log:block(n, true),
?line async_do(Pid, {change_notify, Pid, true}),
?line ok = disk_log:unblock(n),
?line ok = get_reply(),
?line [{_, true}] = owners(n),
?line ok = disk_log:block(n, true),
?line async_do(Pid, {change_notify, Pid, false}),
?line ok = disk_log:unblock(n),
?line ok = get_reply(),
?line [{_, false}] = owners(n),
?line ok = disk_log:block(n, true),
?line async_do(Pid, {change_header, {head, header}}),
?line ok = disk_log:unblock(n),
?line {error, {badarg, head}} = get_reply(),
?line ok = disk_log:block(n, true),
?line async_do(Pid, {change_size, 17}),
?line ok = disk_log:unblock(n),
?line {error, {badarg, size}} = get_reply(),
?line ok = disk_log:block(n, true),
?line async_do(Pid, inc_wrap_file),
?line ok = disk_log:unblock(n),
?line ok = get_reply(),
?line ok = sync_do(Pid, close),
?line del(File, No),
?line _Pid2 = spawn_link(?MODULE, lserv, [n]),
?line {ok, n} = sync_do(Pid, {int_open, File}),
?line ok = disk_log:block(n, true),
?line async_do(Pid, {chunk, start}),
?line ok = disk_log:unblock(n),
?line eof = get_reply(),
?line ok = disk_log:block(n, true),
?line async_do(Pid, {chunk_step, start, 100}),
?line ok = disk_log:unblock(n),
?line {ok, _Cont} = get_reply(),
?line ok = disk_log:block(n, true),
?line async_do(Pid, {log,a_term}),
?line ok = disk_log:unblock(n),
?line ok = get_reply(),
?line 1 = no_written_items(n),
?line ok = sync_do(Pid, close),
?line sync_do(Pid, terminate),
?line del(File, No),
%% Test of the queue. Three processes involved here. Pid1's block
%% request is queued. Pid2's log requests are put in the queue.
%% When unblock is executed, Pid1's block request is granted.
%% Pid2's log requests are executed when Pid1 unblocks.
%% (This example should show that the pair 'queue' and 'messages'
%% in State does the trick - one does not need a "real" queue.)
?line P0 = pps(),
Name = n,
?line Pid1 = spawn_link(?MODULE, lserv, [Name]),
?line {ok, Name} = sync_do(Pid1, {int_open, File, {1000,2}}),
?line Pid2 = spawn_link(?MODULE, lserv, [Name]),
?line {ok, Name} = sync_do(Pid2, {int_open, File, {1000,2}}),
?line ok = disk_log:block(Name),
?line async_do(Pid1, {alog,{1,a}}),
?line ok = get_reply(),
?line async_do(Pid1, {alog,{2,b}}),
?line ok = get_reply(),
?line async_do(Pid1, {alog,{3,c}}),
?line ok = get_reply(),
?line async_do(Pid1, {alog,{4,d}}),
?line ok = get_reply(),
?line async_do(Pid1, block),
?line async_do(Pid2, {alog,{5,e}}),
?line ok = get_reply(),
?line async_do(Pid2, {alog,{6,f}}),
?line ok = get_reply(),
?line ok = disk_log:unblock(Name),
?line ok = get_reply(),
?line async_do(Pid2, {alog,{7,g}}),
?line ok = get_reply(),
?line async_do(Pid2, {alog,{8,h}}),
?line ok = get_reply(),
?line async_do(Pid1, unblock),
?line ok = get_reply(),
?line ok = sync_do(Pid1, close),
?line ok = sync_do(Pid2, close),
?line sync_do(Pid1, terminate),
?line sync_do(Pid2, terminate),
Terms = get_all_terms(Name, File, wrap),
?line true = [{1,a},{2,b},{3,c},{4,d},{5,e},{6,f},{7,g},{8,h}] == Terms,
del(File, 2),
?line Q = qlen(),
?line true = (P0 == pps()),
ok.
%% OTP-4880. Blocked processes did not get disk_log_stopped message.
block_queue2(Conf) when is_list(Conf) ->
?line Q = qlen(),
?line P0 = pps(),
Dir = ?privdir(Conf),
?line File = filename:join(Dir, "n.LOG"),
?line No = 4,
%% log requests are queued, and processed when the log is closed
?line Pid = spawn_link(?MODULE, lserv, [n]),
?line {ok, n} = sync_do(Pid, {open, File}),
?line ok = sync_do(Pid, block),
%% Asynchronous stuff is ignored.
?line ok = disk_log:balog_terms(n, [<<"foo">>,<<"bar">>]),
?line ok = disk_log:balog_terms(n, [<<"more">>,<<"terms">>]),
Parent = self(),
?line Fun =
fun() ->
{error,no_such_log} = disk_log:sync(n),
receive {disk_log, _, {error, disk_log_stopped}} -> ok end,
Parent ! disk_log_stopped_ok
end,
?line spawn(Fun),
?line ok = sync_do(Pid, close),
?line receive disk_log_stopped_ok -> ok end,
?line sync_do(Pid, terminate),
?line {ok,<<>>} = file:read_file(File ++ ".1"),
?line del(File, No),
?line Q = qlen(),
?line true = (P0 == pps()),
ok.
%% Test unblock/1.
unblock(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "n.LOG"),
No = 1,
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{size, {100,No}}, {notify, true},
{format, external}]),
?line ok = disk_log:block(n),
?line spawn_link(?MODULE, try_unblock, [n]),
?line timer:sleep(100),
?line disk_log:close(n),
?line del(File, No).
try_unblock(Log) ->
?line Error = {error, {not_blocked_by_pid, n}} = disk_log:unblock(Log),
?line "The disk log" ++ _ = format_error(Error).
%% Test open/1 when old files exist.
open_overwrite(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
?line File = filename:join(Dir, "n.LOG"),
?line No = 4,
?line del(File, No), % cleanup
% read write
?line First = "n.LOG.1",
?line make_file(Dir, First, 8),
?line Error1 = {error, {not_a_log_file, _}} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal}, {size, {100, No}}]),
?line "The file" ++ _ = format_error(Error1),
?line del(File, No),
?line make_file(Dir, First, 4),
?line {error, {not_a_log_file, _}} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal}, {size, {100, No}}]),
?line del(File, No),
?line make_file(Dir, First, 0),
?line {error, {not_a_log_file, _}} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal}, {size, {100, No}}]),
% read only
?line make_file(Dir, First, 6),
?line {error, {not_a_log_file, _}} =
disk_log:open([{name, n}, {file, File}, {type, wrap},{mode, read_only},
{format, internal}, {size, {100, No}}]),
?line del(File, No),
?line make_file(Dir, First, 0),
?line {error, {not_a_log_file, _}} =
disk_log:open([{name, n}, {file, File},{type, wrap},
{mode, read_only}, {format, internal},
{size, {100, No}}]),
?line del(File, No),
?line {error, _} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{mode, read_only},
{format, internal},{size, {100, No}}]),
file:delete(File),
?line {ok,n} = disk_log:open([{name,n},{file,File},
{mode,read_write},{type,halt}]),
?line ok = disk_log:close(n),
?line ok = unwritable(File),
?line {error, {file_error, File, _}} =
disk_log:open([{name,n},{file,File},{mode,read_write},{type,halt}]),
?line ok = writable(File),
file:delete(File),
?line {ok,n} = disk_log:open([{name,n},{file,File},{format,external},
{mode,read_write},{type,halt}]),
?line ok = disk_log:close(n),
?line ok = unwritable(File),
?line {error, {file_error, File, _}} =
disk_log:open([{name,n},{file,File},{format,external},
{mode,read_write},{type,halt}]),
?line ok = writable(File),
file:delete(File),
ok.
make_file(Dir, File, N) ->
{ok, F} = file:open(filename:join(Dir, File),
[raw, binary, read, write]),
ok = file:truncate(F),
case N of
0 ->
true;
_Else ->
ok = file:write(F, [lists:seq(1,N)])
end,
ok = file:close(F).
%% Test open/1 option size.
open_size(Conf) when is_list(Conf) ->
?line Dir = ?privdir(Conf),
?line File = filename:join(Dir, "n.LOG"),
?line No = 4,
?line file:delete(File),
?line del(File, No), % cleanup
%% missing size option
?line {error, {badarg, size}} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal}]),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal},{size, {100, No}}]),
?line B = mk_bytes(60),
?line ok = disk_log:log_terms(n, [B, B, B, B]),
?line ok = disk_log:sync(n),
?line ok = disk_log:block(n),
%% size option does not match existing size file, read_only
?line Error1 = {error, {size_mismatch, _, _}} =
disk_log:open([{name, nn}, {file, File}, {type, wrap},
{mode, read_only}, {format, internal},
{size, {100, No + 1}}]),
?line "The given size" ++ _ = format_error(Error1),
?line {ok, nn} = disk_log:open([{name, nn}, {file, File}, {type, wrap},
{mode, read_only},
{format, internal},{size, {100, No}}]),
?line [_, _, _, _] = get_all_terms1(nn, start, []),
?line disk_log:close(nn),
?line ok = disk_log:unblock(n),
?line ok = disk_log:close(n),
%% size option does not match existing size file, read_write
?line {error, {size_mismatch, _, _}} =
disk_log:open([{name, nn}, {file, File}, {type, wrap},
{format, internal}, {size, {100, No + 1}}]),
%% size option does not match existing size file, truncating
?line {ok, nn} =
disk_log:open([{name, nn}, {file, File}, {type, wrap},
{repair, truncate}, {format, internal},
{size, {100, No + 1}}]),
?line ok = disk_log:close(nn),
?line del(File, No),
ok.
%% Test open/1 with {repair, truncate}.
open_truncate(Conf) when is_list(Conf) ->
?line Dir = ?privdir(Conf),
?line File = filename:join(Dir, "n.LOG"),
?line No = 4,
?line del(File, No), % cleanup
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal},{size, {100, No}}]),
?line B = mk_bytes(60),
?line ok = disk_log:log_terms(n, [B, B, B, B]),
?line ok = disk_log:close(n),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{repair,truncate},
{format, internal},{size, {100, No}}]),
?line ok = disk_log:close(n),
?line [] = get_all_terms(n, File, wrap),
?line del(File, No),
ok.
%% Try some invalid open/1 options.
open_error(Conf) when is_list(Conf) ->
?line Dir = ?privdir(Conf),
?line File = filename:join(Dir, "n.LOG"),
?line No = 4,
?line del(File, No), % cleanup
?line {error, {badarg, name}} = disk_log:open([{file, File}]),
?line {error, {badarg, file}} = disk_log:open([{name,{foo,bar}}]),
?line {error, {badarg, [{foo,bar}]}} = disk_log:open([{foo,bar}]),
%% external logs, read_only.
?line {error, {file_error, _, enoent}} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{size, {100,No}},
{format, external}, {mode, read_only}]),
?line Error5 = {error, {file_error, _, enoent}} =
disk_log:open([{name, n}, {file, File}, {type, halt},
{size, 100},
{format, external}, {mode, read_only}]),
?line true = lists:prefix("\"" ++ File, format_error(Error5)),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, external},{size, {100, No}}]),
%% Already owner, ignored.
?line {ok, n} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, external}, {size, {100, No}}]),
?line Error2 = {error, {name_already_open, n}} =
disk_log:open([{name, n}, {file, another_file}, {type, wrap},
{format, external}, {size, {100, No}}]),
?line "The disk log" ++ _ = format_error(Error2),
?line Error1 = {error, {arg_mismatch, notify, false, true}} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, external}, {size, {100, No}}, {notify, true}]),
?line "The value" ++ _ = format_error(Error1),
?line Error3 = {error, {open_read_write, n}} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{mode, read_only},
{format, external}, {size, {100, No}}]),
?line "The disk log" ++ _ = format_error(Error3),
?line {error, {badarg, size}} =
disk_log:open([{name, n}, {file, File}, {type, halt},
{format, external}, {size, {100, No}}]),
?line {error, {arg_mismatch, type, wrap, halt}} =
disk_log:open([{name, n}, {file, File}, {type, halt},
{format, external}]),
?line {error, {arg_mismatch, format, external, internal}} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal}, {size, {100, No}}]),
?line {error, {arg_mismatch, repair, true, false}} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, external}, {repair, false}]),
?line {error, {size_mismatch, {100,4}, {1000,4}}} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, external}, {size, {1000, No}}]),
?line {error, {arg_mismatch, head, none, _}} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{head, "header"},
{format, external}, {size, {100, No}}]),
?line {error, {badarg, size}} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, external}, {size, 100}]),
?line ok = disk_log:close(n),
?line {ok, n} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{mode, read_only},
{format, external}, {size, {100, No}}]),
?line Error4 = {error, {open_read_only, n}} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{mode, read_write},
{format, external}, {size, {100, No}}]),
?line "The disk log" ++ _ = format_error(Error4),
?line ok = disk_log:close(n),
?line del(File, No).
%% Do something quickly after close/1.
close_race(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
?line File = filename:join(Dir, "n.LOG"),
?line No = 1,
?line del(File, No), % cleanup
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{size, {100,No}}, {notify, true},
{format, internal}]),
?line ok = disk_log:close(n),
?line Error1 = {error, no_such_log} = disk_log:close(n),
?line "There is no disk" ++ _ = format_error(Error1),
% Pid1 blocks, Pid2 closes without being suspended.
?line Pid1 = spawn_link(?MODULE, lserv, [n]),
?line Pid2 = spawn_link(?MODULE, lserv, [n]),
?line {ok, n} = sync_do(Pid1, {open, File}),
?line {ok, n} = sync_do(Pid2, {open, File}),
?line ok = sync_do(Pid1, block),
?line [{_, false}, {_, false}] = sync_do(Pid1, owners),
?line ok = sync_do(Pid2, close),
?line [{_, false}] = sync_do(Pid1, owners),
?line ok = sync_do(Pid1, close),
?line sync_do(Pid1, terminate),
?line sync_do(Pid2, terminate),
?line {error, no_such_log} = disk_log:info(n),
% Pid3 blocks, Pid3 closes. Pid4 should still be ablo to use log.
?line Pid3 = spawn_link(?MODULE, lserv, [n]),
?line Pid4 = spawn_link(?MODULE, lserv, [n]),
?line {ok, n} = sync_do(Pid3, {open, File}),
?line {ok, n} = sync_do(Pid4, {open, File}),
?line ok = sync_do(Pid3, block),
?line ok = sync_do(Pid3, close),
?line [{_Pid4, false}] = sync_do(Pid4, owners),
?line sync_do(Pid3, terminate),
?line sync_do(Pid4, terminate),
?line {error, no_such_log} = disk_log:info(n),
% Pid5 blocks, Pid5 terminates. Pid6 should still be ablo to use log.
?line Pid5 = spawn_link(?MODULE, lserv, [n]),
?line Pid6 = spawn_link(?MODULE, lserv, [n]),
?line {ok, n} = sync_do(Pid5, {open, File}),
?line {ok, n} = sync_do(Pid6, {open, File}),
?line ok = sync_do(Pid5, block),
?line sync_do(Pid5, terminate),
?line [{_Pid6, false}] = sync_do(Pid6, owners),
?line sync_do(Pid6, terminate),
?line {error, no_such_log} = disk_log:info(n),
?line del(File, No), % cleanup
ok.
%% Block, unblock, close, terminate.
close_block(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
?line File = filename:join(Dir, "n.LOG"),
No = 1,
del(File, No), % cleanup
P0 = pps(),
%% One of two owners terminates.
?line Pid1 = spawn_link(?MODULE, lserv, [n]),
?line Pid2 = spawn_link(?MODULE, lserv, [n]),
?line {ok, n} = sync_do(Pid1, {open, File}),
?line {ok, n} = sync_do(Pid2, {open, File}),
?line [_, _] = sync_do(Pid1, owners),
?line [_, _] = sync_do(Pid2, owners),
?line 0 = sync_do(Pid1, users),
?line 0 = sync_do(Pid2, users),
?line sync_do(Pid1, terminate),
?line [_] = sync_do(Pid2, owners),
?line 0 = sync_do(Pid2, users),
?line sync_do(Pid2, terminate),
?line {error, no_such_log} = disk_log:info(n),
?line true = (P0 == pps()),
%% Users terminate (no link...).
?line Pid3 = spawn_link(?MODULE, lserv, [n]),
?line Pid4 = spawn_link(?MODULE, lserv, [n]),
?line {ok, n} = sync_do(Pid3, {open, File, none}),
?line {ok, n} = sync_do(Pid4, {open, File, none}),
?line [] = sync_do(Pid3, owners),
?line [] = sync_do(Pid4, owners),
?line 2 = sync_do(Pid3, users),
?line 2 = sync_do(Pid4, users),
?line sync_do(Pid3, terminate),
?line [] = sync_do(Pid4, owners),
?line 2 = sync_do(Pid4, users),
?line sync_do(Pid4, terminate),
?line disk_log:close(n),
?line disk_log:close(n),
?line {error, no_such_log} = disk_log:info(n),
?line true = (P0 == pps()),
% Blocking owner terminates.
?line Pid5 = spawn_link(?MODULE, lserv, [n]),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{linkto, none},{size, {100,No}},
{format, external}]),
?line {ok, n} = sync_do(Pid5, {open, File}),
?line ok = sync_do(Pid5, block),
?line {blocked, true} = status(n),
?line [_] = owners(n),
?line sync_do(Pid5, terminate),
?line ok = status(n),
?line [] = owners(n),
?line 1 = users(n),
?line ok = disk_log:close(n),
?line {error, no_such_log} = disk_log:info(n),
?line true = (P0 == pps()),
% Blocking user terminates.
?line Pid6 = spawn_link(?MODULE, lserv, [n]),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{size, {100,No}}, {format, external}]),
?line {ok, n} = sync_do(Pid6, {open, File, none}),
?line ok = sync_do(Pid6, block),
?line {blocked, true} = status(n),
?line [_] = owners(n),
?line 1 = users(n),
?line sync_do(Pid6, terminate), % very silently...
?line ok = status(n),
?line [_] = owners(n),
?line 1 = users(n),
?line ok = disk_log:close(n),
?line [] = owners(n),
?line 1 = users(n),
?line ok = disk_log:close(n),
?line {error, no_such_log} = disk_log:info(n),
?line true = (P0 == pps()),
% Blocking owner terminates.
?line Pid7 = spawn_link(?MODULE, lserv, [n]),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{linkto, none},
{size, {100,No}}, {format, external}]),
?line {ok, n} = sync_do(Pid7, {open, File}),
?line ok = sync_do(Pid7, block),
?line {blocked, true} = status(n),
?line [_] = owners(n),
?line 1 = users(n),
?line sync_do(Pid7, terminate),
?line ok = status(n),
?line [] = owners(n),
?line 1 = users(n),
?line ok = disk_log:close(n),
?line {error, no_such_log} = disk_log:info(n),
?line true = (P0 == pps()),
%% Two owners, the blocking one terminates.
?line Pid8 = spawn_link(?MODULE, lserv, [n]),
?line Pid9 = spawn_link(?MODULE, lserv, [n]),
?line {ok, n} = sync_do(Pid8, {open, File}),
?line {ok, n} = sync_do(Pid9, {open, File}),
?line ok = sync_do(Pid8, block),
?line {blocked, true} = status(n),
?line sync_do(Pid8, terminate),
?line ok = status(n),
?line [_] = sync_do(Pid9, owners),
?line 0 = sync_do(Pid9, users),
?line sync_do(Pid9, terminate),
?line {error, no_such_log} = disk_log:info(n),
?line true = (P0 == pps()),
% Blocking user closes.
?line Pid10 = spawn_link(?MODULE, lserv, [n]),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{size, {100,No}}, {format, external}]),
?line {ok, n} = sync_do(Pid10, {open, File, none}),
?line ok = sync_do(Pid10, block),
?line {blocked, true} = status(n),
?line [_] = owners(n),
?line 1 = users(n),
?line ok = sync_do(Pid10, close),
?line ok = status(n),
?line [_] = owners(n),
?line 0 = users(n),
?line ok = disk_log:close(n),
?line sync_do(Pid10, terminate),
?line {error, no_such_log} = disk_log:info(n),
?line true = (P0 == pps()),
% Blocking user unblocks and closes.
?line Pid11 = spawn_link(?MODULE, lserv, [n]),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{size, {100,No}}, {format, external}]),
?line {ok, n} = sync_do(Pid11, {open, File, none}),
?line ok = sync_do(Pid11, block),
?line {blocked, true} = status(n),
?line [_] = owners(n),
?line 1 = users(n),
?line ok = sync_do(Pid11, unblock),
?line ok = sync_do(Pid11, close),
?line ok = status(n),
?line [_] = owners(n),
?line 0 = users(n),
?line ok = disk_log:close(n),
?line {error, no_such_log} = disk_log:info(n),
?line sync_do(Pid11, terminate),
?line true = (P0 == pps()),
% Blocking owner closes.
?line Pid12 = spawn_link(?MODULE, lserv, [n]),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{linkto, none},
{size, {100,No}}, {format, external}]),
?line {ok, n} = sync_do(Pid12, {open, File}),
?line ok = sync_do(Pid12, block),
?line {blocked, true} = status(n),
?line [_] = owners(n),
?line 1 = users(n),
?line ok = sync_do(Pid12, close),
?line ok = status(n),
?line [] = owners(n),
?line 1 = users(n),
?line ok = disk_log:close(n),
?line {error, no_such_log} = disk_log:info(n),
?line sync_do(Pid12, terminate),
?line true = (P0 == pps()),
% Blocking owner unblocks and closes.
?line Pid13 = spawn_link(?MODULE, lserv, [n]),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{linkto, none},
{size, {100,No}}, {format, external}]),
?line {ok, n} = sync_do(Pid13, {open, File}),
?line ok = sync_do(Pid13, block),
?line {blocked, true} = status(n),
?line [_] = owners(n),
?line 1 = users(n),
?line ok = sync_do(Pid13, unblock),
?line ok = sync_do(Pid13, close),
?line ok = status(n),
?line [] = owners(n),
?line 1 = users(n),
?line ok = disk_log:close(n),
?line {error, no_such_log} = disk_log:info(n),
?line sync_do(Pid13, terminate),
?line true = (P0 == pps()),
del(File, No), % cleanup
ok.
%% OTP-4745. Deadlock with just an ordinary log could happen.
close_deadlock(Conf) when is_list(Conf) ->
?line true = is_alive(),
?line PrivDir = ?privdir(Conf),
?line F1 = filename:join(PrivDir, "a.LOG"),
?line file:delete(F1),
Self = self(),
%% One process opens the log at the same time as another process
%% closes the log. Used to always cause deadlock before OTP-4745.
Name = a,
Fun = fun() -> open_close(Self, Name, F1) end,
P = spawn(Fun),
?line receive {P, Name} -> ok end,
?line {ok, L} = disk_log:open([{name,Name},{file,F1}]),
?line ok = disk_log:close(L),
?line receive {P, done} -> ok end,
?line file:delete(F1),
%% One process opens the log at the same time as another process
%% closes the log due to file error while truncating.
%% This test is time dependent, but does not fail when it does not
%% "work". When it works, as it seems to do right now :), the
%% disk_log_server gets {error, no_such_log}, receives the EXIT
%% message caused by truncate, and tries to open the log again.
?line No = 4,
?line LDir = F1 ++ ".2",
?line file:del_dir(LDir),
?line del(F1, No),
?line ok = file:make_dir(LDir),
Fun2 = fun() -> open_truncate(Self, Name, F1, No) end,
P2 = spawn(Fun2),
?line receive {P2, Name} -> ok end,
?line {ok, L} = disk_log:open([{name, Name}, {file, F1}, {type, wrap},
{format, external}]),
%% Note: truncate causes the disk log process to terminate. One
%% cannot say if open above happened before, after, or during the
%% termination. The link to the owner is removed before termination.
?line case disk_log:close(L) of
ok -> ok;
{error,no_such_log} ->
ok
end,
?line receive {P2, done} -> ok end,
?line del(F1, No),
?line file:del_dir(LDir),
%% To the same thing, this time using distributed logs.
%% (Does not seem to work very well, unfortunately.)
FunD = fun() -> open_close_dist(Self, Name, F1) end,
PD = spawn(FunD),
receive {PD, Name} -> ok end,
?line {[_], []} = disk_log:open([{name,Name},{file,F1},
{distributed,[node()]}]),
?line ok = disk_log:close(L),
receive {PD, done} -> ok end,
?line file:delete(F1),
ok.
open_close(Pid, Name, File) ->
{ok, L} = disk_log:open([{name,Name},{file,File}]),
Pid ! {self(), Name},
ok = disk_log:close(L),
Pid ! {self(), done}.
open_truncate(Pid, Name, File, No) ->
{ok, L} = disk_log:open([{name, Name}, {file, File}, {type, wrap},
{format, external},{size, {100, No}}]),
Pid ! {self(), Name},
{error, {file_error, _, _}} = disk_log:truncate(L),
%% The file has been closed, the disklog process has terminated.
Pid ! {self(), done}.
open_close_dist(Pid, Name, File) ->
{[{_,{ok,L}}], []} = disk_log:open([{name,Name},{file,File},
{distributed,[node()]}]),
Pid ! {self(), Name},
ok = disk_log:close(L),
Pid ! {self(), done}.
async_do(Pid, Req) ->
Pid ! {self(), Req},
%% make sure the request is queued
timer:sleep(100).
get_reply() ->
receive Reply ->
Reply
end.
sync_do(Pid, Req) ->
Pid ! {self(), Req},
receive
Reply when Req =:= terminate ->
timer:sleep(500),
Reply;
Reply ->
Reply
end.
lserv(Log) ->
?line receive
{From, {open, File}} ->
From ! disk_log:open([{name, Log}, {file, File}, {type, wrap},
{size, {100,1}}, {format, external}]);
{From, {open, File, LinkTo}} ->
From ! disk_log:open([{name, Log}, {file, File}, {type, wrap},
{linkto, LinkTo}, {size, {100,1}},
{format, external}]);
{From, {int_open, File}} ->
From ! disk_log:open([{name, Log}, {file, File}, {type, wrap},
{size, {100,1}}]);
{From, {int_open, File, Size}} ->
From ! disk_log:open([{name, Log}, {file, File}, {type, wrap},
{size, Size}]);
{From, {dist_open, File, Node}} ->
From ! disk_log:open([{name, Log}, {file, File}, {type, wrap},
{size, {100,1}}, {distributed, [Node]}]);
{From, {dist_open, File, LinkTo, Node}} ->
From ! disk_log:open([{name, Log}, {file, File}, {type, wrap},
{linkto, LinkTo}, {size, {100,1}},
{distributed, [Node]}]);
{From, block} ->
From ! disk_log:block(Log);
{From, {block, Bool}} ->
From ! disk_log:block(Log, Bool);
{From, unblock} ->
From ! disk_log:unblock(Log);
{From, close} ->
From ! disk_log:close(Log);
{From, owners} ->
From ! owners(Log);
{From, users} ->
From ! users(Log);
{From, sync} ->
From ! disk_log:sync(Log);
{From, truncate} ->
From ! disk_log:truncate(Log);
{From, terminate} ->
From ! terminated,
exit(normal);
{From, {log, B}} ->
From ! disk_log:log(Log, B);
{From, {blog, B}} ->
From ! disk_log:blog(Log, B);
{From, {alog, B}} ->
From ! disk_log:alog(Log, B);
{From, {balog, B}} ->
From ! disk_log:balog(Log, B);
{From, {change_notify, Pid, Bool}} ->
From ! disk_log:change_notify(Log, Pid, Bool);
{From, {change_header, Header}} ->
From ! disk_log:change_header(Log, Header);
{From, {change_size, Size}} ->
From ! disk_log:change_size(Log, Size);
{From, inc_wrap_file} ->
From ! disk_log:inc_wrap_file(Log);
{From, {chunk, Cont}} ->
From ! disk_log:chunk(Log, Cont);
{From, {chunk_step, Cont, N}} ->
From ! disk_log:chunk_step(Log, Cont, N);
Any ->
io:format("invalid request ~p~n", [Any]),
exit(abnormal)
end,
lserv(Log).
%% Error while repairing.
error_repair(Conf) when is_list(Conf) ->
% not all error situations are covered by this test
DataDir = ?datadir(Conf),
PrivDir = ?privdir(Conf),
?line File = filename:join(PrivDir, "n.LOG"),
?line No = 4,
?line file:delete(File),
?line del(File, No), % cleanup
% kurt.LOG is not closed and has four logged items, one is recovered
?line copy_wrap_log("kurt.LOG", "n.LOG", No, DataDir, PrivDir),
?line {repaired,n,{recovered,1},{badbytes,0}} =
disk_log:open([{name, n}, {file, File}, {type, wrap}, {size,{40,No}}]),
?line 1 = cur_cnt(n),
?line 53 = curb(n),
?line 4 = no_items(n),
?line ok = disk_log:close(n),
% temporary repair file cannot be created
?line copy_wrap_log("kurt.LOG", "n.LOG", No, DataDir, PrivDir),
?line Dir = File ++ ".4" ++ ".TMP",
?line ok = file:make_dir(Dir),
?line P0 = pps(),
?line {error, {file_error, _, _}} =
disk_log:open([{name, n}, {file, File}, {type, wrap}, {size,{40,4}}]),
?line true = (P0 == pps()),
?line del(File, No),
?line ok = file:del_dir(Dir),
%% repair a file
?line P1 = pps(),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal}, {size, {40,No}}]),
?line ok = disk_log:log_terms(n, [{this,is}]), % first file full
?line ok = disk_log:log_terms(n, [{some,terms}]), % second file full
?line ok = disk_log:close(n),
?line BadFile = add_ext(File, 2), % current file
?line set_opened(BadFile),
?line crash(BadFile, 28), % the binary is now invalid
?line {repaired,n,{recovered,0},{badbytes,26}} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal}, {size, {40,No}}]),
?line ok = disk_log:close(n),
?line true = (P1 == pps()),
?line del(File, No),
%% yet another repair
?line P2 = pps(),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal}, {size, {4000,No}}]),
?line ok = disk_log:log_terms(n, [{this,is},{some,terms}]),
?line ok = disk_log:close(n),
?line BadFile2 = add_ext(File, 1), % current file
?line set_opened(BadFile2),
?line crash(BadFile2, 51), % the second binary is now invalid
?line {repaired,n,{recovered,1},{badbytes,26}} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal}, {size, {4000,No}}]),
?line ok = disk_log:close(n),
?line true = (P2 == pps()),
?line del(File, No),
%% Repair, large term
?line Big = term_to_binary(lists:duplicate(66000,$a)),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal}, {size, {40,No}}]),
?line ok = disk_log:log_terms(n, [Big]),
?line ok = disk_log:close(n),
?line set_opened(add_ext(File, 1)),
?line {repaired,n,{recovered,1},{badbytes,0}} =
disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal}, {size, {40,No}}]),
?line {_, [Got]} = disk_log:chunk(n, start),
?line ok = disk_log:close(n),
?line Got = Big,
?line del(File, No),
%% A term a little smaller than a chunk, then big terms.
?line BigSmall = mk_bytes(1024*64-8-12),
?line file:delete(File),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal}]),
?line ok = disk_log:log_terms(n, [BigSmall, Big, Big]),
?line ok = disk_log:close(n),
?line set_opened(File),
?line FileSize = file_size(File),
?line crash(File, FileSize-byte_size(Big)-4),
?line Error1 = {error, {need_repair, _}} =
disk_log:open([{name, n}, {file, File}, {repair, false},
{type, halt}, {format, internal}]),
?line "The disk log" ++ _ = format_error(Error1),
?line {repaired,n,{recovered,2},{badbytes,132013}} =
disk_log:open([{name, n}, {file, File}, {repair, true},
{type, halt}, {format, internal}]),
?line ok = disk_log:close(n),
?line file:delete(File),
%% The header is recovered.
?line {ok,n} =
disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal},
{head_func, {?MODULE, head_fun, [{ok,"head"}]}}]),
?line ok = disk_log:log_terms(n, [list,'of',terms]),
?line ["head",list,'of',terms] = get_all_terms(n),
?line ok = disk_log:close(n),
?line set_opened(File),
?line crash(File, 30),
?line {repaired,n,{recovered,3},{badbytes,16}} =
disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal},{repair,true},
{head_func, {?MODULE, head_fun, [{ok,"head"}]}}]),
?line ["head",'of',terms] = get_all_terms(n),
?line ok = disk_log:close(n),
file:delete(File),
ok.
set_opened(File) ->
{ok, Fd} = file:open(File, [raw, binary, read, write]),
ok = file:write(Fd, [?LOGMAGIC, ?OPENED]),
ok = file:close(Fd).
%% Error while repairing.
error_log(Conf) when is_list(Conf) ->
?line Dir = ?privdir(Conf),
?line File = filename:join(Dir, "n.LOG"),
?line No = 4,
?line file:delete(File),
?line del(File, No), % cleanup
?line LDir = File ++ ".2",
?line Q = qlen(),
% dummy just to get all processes "above" disk_log going
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, external},{size, {100, No}}]),
?line ok = disk_log:close(n),
?line del(File, No),
% inc_wrap_file fails, the external log is not terminated
?line P0 = pps(),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, external},{size, {100, No}}]),
?line ok = file:make_dir(LDir),
?line {error, {file_error, _, _}} = disk_log:inc_wrap_file(n),
?line timer:sleep(500),
?line ok = disk_log:close(n),
?line del(File, No),
% inc_wrap_file fails, the internal log is not terminated, ./File.2/ exists
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal},{size, {100, No}}]),
?line {error, {file_error, _, _}} = disk_log:inc_wrap_file(n),
?line ok = disk_log:close(n),
?line del(File, No),
% truncate fails, the log is terminated, ./File.2/ exists
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, external},{size, {100, No}}]),
?line {error, {file_error, _, _}} = disk_log:truncate(n),
?line true = (P0 == pps()),
?line del(File, No),
%% OTP-4880.
% reopen (rename) fails, the log is terminated, ./File.2/ exists
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{format, external},{size, 100000}]),
?line {error, {file_error, _, eisdir}} = disk_log:reopen(n, LDir),
?line true = (P0 == pps()),
?line file:delete(File),
?line B = mk_bytes(60),
%% OTP-4880. reopen a wrap log, rename fails
?line File2 = filename:join(Dir, "n.LOG2"),
?line {ok, n} = disk_log:open([{name, n}, {file, File2}, {type, wrap},
{format, external},{size, {100, No}}]),
?line ok = disk_log:blog_terms(n, [B,B,B]),
?line {error, {file_error, _, eisdir}} = disk_log:reopen(n, File),
?line {error, no_such_log} = disk_log:close(n),
?line del(File2, No),
?line del(File, No),
% log, external wrap log, ./File.2/ exists
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, external},{size, {100, No}}]),
?line {error, {file_error, _, _}} = disk_log:blog_terms(n, [B,B,B]),
?line ok = disk_log:close(n),
?line del(File, No),
% log, internal wrap log, ./File.2/ exists
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal},{size, {100, No}}]),
?line {error, {file_error, _, _}} = disk_log:log_terms(n, [B,B,B]),
?line ok = disk_log:close(n),
?line del(File, No),
?line ok = file:del_dir(LDir),
% can't remove file when changing size
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal},{size, {100, No}}]),
?line ok = disk_log:log_terms(n, [B,B,B,B]),
?line ok = disk_log:change_size(n, {100, No-2}),
?line Three = File ++ ".3",
?line ok = file:delete(Three),
?line ok = file:make_dir(Three),
?line {error, {file_error, _, _}} = disk_log:log_terms(n, [B,B,B]),
?line timer:sleep(500),
?line ok = disk_log:close(n),
?line ok = file:del_dir(Three),
?line del(File, No),
?line Q = qlen(),
ok.
%% Test chunk and chunk_step.
chunk(Conf) when is_list(Conf) ->
%% See also halt_ro_crash/1 above.
Dir = ?privdir(Conf),
?line File = filename:join(Dir, "n.LOG"),
No = 4,
?line B = mk_bytes(60),
?line BB = mk_bytes(64000), % 64 kB chunks
?line del(File, No),% cleanup
%% Make sure chunk_step skips the rest of the binary.
%% OTP-3716. This was a bug...
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal}, {size, {50,No}}]),
%% 1, 2 and 3 on file one, 4 on file two.
?line ok = disk_log:log_terms(n, [1,2,3,4]),
?line {I1, [1]} = disk_log:chunk(n, start, 1),
?line [{node,Node}] = disk_log:chunk_info(I1),
?line Node = node(),
?line Error1 = {error, {no_continuation, foobar}} =
disk_log:chunk_info(foobar),
?line "The term" ++ _ = format_error(Error1),
?line {ok, I2} = disk_log:chunk_step(n, I1, 1),
?line {error, {badarg, continuation}} = disk_log:chunk_step(n, foobar, 1),
?line {I3, [4]} = disk_log:chunk(n, I2, 1),
?line {ok, I4} = disk_log:chunk_step(n, I3, -1),
?line {_, [1]} = disk_log:chunk(n, I4, 1),
?line {error, {badarg, continuation}} = disk_log:bchunk(n, 'begin'),
?line {Ib1, [Bin1,Bin2]} = disk_log:bchunk(n, start, 2),
?line 1 = binary_to_term(Bin1),
?line 2 = binary_to_term(Bin2),
?line {ok, Ib2} = disk_log:chunk_step(n, Ib1, 1),
?line {Ib3, [Bin3]} = disk_log:bchunk(n, Ib2, 1),
?line 4 = binary_to_term(Bin3),
?line {ok, Ib4} = disk_log:chunk_step(n, Ib3, -1),
?line {_, [Bin4]} = disk_log:bchunk(n, Ib4, 1),
?line 1 = binary_to_term(Bin4),
?line {Ib5, [Bin1, Bin2, Bin17]} = disk_log:bchunk(n, start),
?line 3 = binary_to_term(Bin17),
?line {Ib6, [Bin3]} = disk_log:bchunk(n, Ib5, infinity),
?line eof = disk_log:bchunk(n, Ib6, infinity),
?line ok = disk_log:close(n),
?line del(File, No), % cleanup
%% external log, cannot read chunks
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, external}, {size, {100,No}}]),
?line {error, {badarg, continuation}} = disk_log:chunk(n, 'begin'),
?line {error, {format_external, n}} = disk_log:chunk(n, start),
?line Error2 = {error, {not_internal_wrap, n}} =
disk_log:chunk_step(n, start, 1),
?line "The requested" ++ _ = format_error(Error2),
?line ok = disk_log:close(n),
?line del(File, No),
%% wrap, read_write
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal}, {size, {100,No}}]),
?line ok = disk_log:log_terms(n, [B,B,B,B]),
?line {C1, [_]} = disk_log:chunk(n, start),
?line {C2, [_]} = disk_log:chunk(n, C1),
?line {C3, [_]} = disk_log:chunk(n, C2),
?line {C4, [_]} = disk_log:chunk(n, C3, 1),
?line eof = disk_log:chunk(n, C4),
?line {C5, [_]} = disk_log:chunk(n, start),
?line {ok, C6} = disk_log:chunk_step(n, C5, 1),
?line {C7, [_]} = disk_log:chunk(n, C6),
?line {ok, C8} = disk_log:chunk_step(n, C7, 1),
?line {_, [_]} = disk_log:chunk(n, C8),
?line ok = disk_log:close(n),
%% wrap, read_only
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{mode, read_only},
{format, internal}, {size, {100,No}}]),
?line {CC1, [_]} = disk_log:chunk(n, start),
?line {CC2, [_]} = disk_log:chunk(n, CC1),
?line {CC3, [_]} = disk_log:chunk(n, CC2),
?line {CC4, [_]} = disk_log:chunk(n, CC3, 1),
?line eof = disk_log:chunk(n, CC4),
?line {CC5, [_]} = disk_log:chunk(n, start),
?line {ok, CC6} = disk_log:chunk_step(n, CC5, 1),
?line {CC7, [_]} = disk_log:chunk(n, CC6),
?line {ok, CC8} = disk_log:chunk_step(n, CC7, 1),
?line {_, [_]} = disk_log:chunk(n, CC8),
?line ok = disk_log:close(n),
%% OTP-3716. A bug: {Error, List} and {Error, List, Bad} could be
%% returned from chunk/2.
%% Magic bytes not OK.
%% File header (8 bytes) OK, item header not OK.
?line InvalidFile = add_ext(File, 1),
?line crash(InvalidFile, 15),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{mode, read_only},
{format, internal}, {size, {100,No}}]),
?line {_, [], 61} = disk_log:chunk(n, start),
?line ok = disk_log:close(n),
%% read_write...
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal}, {size, {100,No}}]),
?line Error3 = {error, {corrupt_log_file, Culprit}} =
disk_log:chunk(n, start),
?line "The disk log file" ++ _ = format_error(Error3),
?line Culprit = InvalidFile,
?line ok = disk_log:close(n),
?line del(File, No),
%% Two wrap log files, writing the second one, then reading the first
%% one, where a bogus term resides.
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal}, {size, {40,No}}]),
?line ok = disk_log:log_terms(n, [{this,is}]), % first file full
?line ok = disk_log:log_terms(n, [{some,terms}]), % second file full
?line 2 = curf(n),
?line BadFile = add_ext(File, 1),
?line crash(BadFile, 28), % the _binary_ is now invalid
?line {error, {corrupt_log_file, BFile}} = disk_log:chunk(n, start, 1),
?line BadFile = BFile,
?line ok = disk_log:close(n),
%% The same, with a halt log.
?line file:delete(File), % cleanup
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal}]),
?line ok = disk_log:log_terms(n, [{this,is}]),
?line ok = disk_log:sync(n),
?line crash(File, 28), % the _binary_ is now invalid
?line {error, {corrupt_log_file, File2}} = disk_log:chunk(n, start, 1),
?line crash(File, 10),
?line {error,{corrupt_log_file,_}} = disk_log:bchunk(n, start, 1),
?line true = File == File2,
?line ok = disk_log:close(n),
?line del(File, No),
%% halt, read_write
?line file:delete(File), % cleanup
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal}]),
?line ok = disk_log:log_terms(n, [BB,BB,BB,BB]),
?line {D1, [Ch1]} = disk_log:chunk(n, start, 1),
?line Ch1 = BB,
?line {D2, [Ch2]} = disk_log:chunk(n, D1, 1),
?line Ch2 = BB,
?line {D3, [Ch3]} = disk_log:chunk(n, D2, 1),
?line Ch3 = BB,
?line {D4, [Ch4]} = disk_log:chunk(n, D3, 1),
?line Ch4 = BB,
?line eof = disk_log:chunk(n, D4),
?line ok = disk_log:close(n),
%% halt, read_only
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal},{mode,read_only}]),
?line {E1, [Ch5]} = disk_log:chunk(n, start, 1),
?line Ch5 = BB,
?line {E2, [Ch6]} = disk_log:chunk(n, E1, 1),
?line Ch6 = BB,
?line {E3, [Ch7]} = disk_log:chunk(n, E2, 1),
?line Ch7 = BB,
?line {E4, [Ch8]} = disk_log:chunk(n, E3, 1),
?line Ch8 = BB,
?line eof = disk_log:chunk(n, E4),
?line ok = disk_log:close(n),
?line file:delete(File), % cleanup
%% More than 64 kB term.
?line BBB = term_to_binary(lists:duplicate(66000,$a)),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal}]),
?line ok = disk_log:log_terms(n, [BBB]),
?line {F1, [BBB1]} = disk_log:chunk(n, start),
?line BBB1 = BBB,
?line eof = disk_log:chunk(n, F1),
?line ok = disk_log:close(n),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal}, {mode, read_only}]),
?line {F1r, [BBB2]} = disk_log:chunk(n, start),
?line BBB2 = BBB,
?line eof = disk_log:chunk(n, F1r),
?line ok = disk_log:close(n),
?line truncate(File, 8192),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal}]),
?line {error, {corrupt_log_file, _}} = disk_log:chunk(n, start),
?line ok = disk_log:close(n),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal}, {mode, read_only}]),
?line {K1, [], 8176} = disk_log:chunk(n, start),
?line eof = disk_log:chunk(n, K1),
?line ok = disk_log:close(n),
?line file:delete(File), % cleanup
%% OTP-3716. A bug: eof in the middle of the last element is not ok.
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal}]),
?line ok = disk_log:log_terms(n, [B,BB]),
?line ok = disk_log:close(n),
?line truncate(File, 80),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal}]),
?line {G1, [_]} = disk_log:chunk(n, start, 1),
?line {error, {corrupt_log_file, _}} = disk_log:chunk(n, G1, 1),
?line ok = disk_log:close(n),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal}, {mode, read_only}]),
?line {G1r, [_]} = disk_log:chunk(n, start, 1),
?line {_, [], 4} = disk_log:chunk(n, G1r, 1),
?line ok = disk_log:close(n),
?line file:delete(File), % cleanup
%% Opening a wrap log read-only. The second of four terms is destroyed.
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal}, {size, {4000,No}}]),
?line ok = disk_log:log_terms(n,
[{this,is},{some,terms},{on,a},{wrap,file}]),
?line ok = disk_log:close(n),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, internal}, {mode, read_only}]),
?line CrashFile = add_ext(File, 1),
?line crash(CrashFile, 51), % the binary term {some,terms} is now bad
?line {H1, [{this,is}], 18} = disk_log:chunk(n, start, 10),
?line {H2, [{on,a},{wrap,file}]} = disk_log:chunk(n, H1),
?line eof = disk_log:chunk(n, H2),
?line ok = disk_log:close(n),
?line del(File, No),
%% The same as last, but with a halt log.
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal}, {mode, read_write}]),
?line ok = disk_log:alog_terms(n, [{this,is},{some,terms}]),
?line ok = disk_log:log_terms(n, [{on,a},{halt,file}]),
?line ok = disk_log:close(n),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal}, {mode, read_only}]),
?line crash(File, 51), % the binary term {some,terms} is now bad
?line {J1, [{this,is}], 18} = disk_log:chunk(n, start, 10),
?line {J2, [{on,a},{halt,file}]} = disk_log:chunk(n, J1),
?line eof = disk_log:chunk(n, J2),
?line ok = disk_log:close(n),
?line file:delete(File),
%% OTP-7641. Same as last one, but the size of the bad term is
%% less than ?HEADERSz (8) bytes.
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal}, {mode, read_write}]),
?line ok = disk_log:alog_terms(n, [{this,is},{s}]),
?line ok = disk_log:log_terms(n, [{on,a},{halt,file}]),
?line ok = disk_log:close(n),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal}, {mode, read_only}]),
?line crash(File, 44), % the binary term {s} is now bad
?line {J11, [{this,is}], 7} = disk_log:chunk(n, start, 10),
?line {J21, [{on,a},{halt,file}]} = disk_log:chunk(n, J11),
?line eof = disk_log:chunk(n, J21),
?line ok = disk_log:close(n),
?line file:delete(File),
%% Minimal MD5-proctected term, and maximal unprotected term.
%% A chunk ends in the middle of the MD5-sum.
?line MD5term = mk_bytes(64*1024-8),
?line NotMD5term = mk_bytes((64*1024-8)-1),
?line Term2 = mk_bytes((64*1024-8)-16),
?line MD5L = [MD5term,NotMD5term,Term2,MD5term,MD5term,NotMD5term],
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal}]),
?line ok = disk_log:log_terms(n, MD5L),
?line true = MD5L == get_all_terms(n),
?line ok = disk_log:close(n),
?line true = MD5L == get_all_terms(n, File, halt),
?line crash(File, 21), % the MD5-sum of the first term is now bad
?line true = {tl(MD5L),64*1024-8} == get_all_terms_and_bad(n, File, halt),
?line {_,64*1024-8} = get_all_binary_terms_and_bad(n, File, halt),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{format, internal}]),
?line {error, {corrupt_log_file, _}} = disk_log:chunk(n, start),
?line ok = disk_log:close(n),
?line file:delete(File),
%% A file with "old" terms (magic word is MAGICINT).
DataDir = ?datadir(Conf),
OldTermsFileOrig = filename:join(DataDir, "old_terms.LOG"),
OldTermsFile = filename:join(Dir, "old_terms.LOG"),
?line copy_file(OldTermsFileOrig, OldTermsFile),
?line {[_,_,_,_],0} = get_all_terms_and_bad(n, OldTermsFile, halt),
?line {ok, n} = disk_log:open([{name, n}, {file, OldTermsFile},
{type, halt}, {format, internal}]),
?line [_,_,_,_] = get_all_terms(n),
?line ok = disk_log:close(n),
?line file:delete(OldTermsFile),
ok.
%% OTP-5558. Keep the contents of index files after disk crash.
error_index(Conf) when is_list(Conf) ->
?line Dir = ?privdir(Conf),
?line File = filename:join(Dir, "n.LOG"),
?line IdxFile = File ++ ".idx",
?line No = 4,
?line file:delete(File),
?line del(File, No), % cleanup
Args = [{name,n},{type,wrap},{size,{100,No}},{file,File}],
?line {ok, n} = disk_log:open(Args),
?line ok = disk_log:close(n),
?line Q = qlen(),
P0 = pps(),
?line ok = file:write_file(IdxFile, <<"abc">>),
?line {error, {invalid_index_file, _}} = disk_log:open(Args),
?line {error, {invalid_index_file, _}} = disk_log:open(Args),
?line {error, {invalid_index_file, _}} = disk_log:open(Args),
?line del(File, No),
?line true = (P0 == pps()),
?line true = (Q == qlen()),
ok.
%% Test truncate/1 on halt and wrap logs.
truncate(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
?line Q = qlen(),
Halt = join(Dir, "halt.LOG"),
% Halt logs.
?line file:delete(Halt), % cleanup
?line {ok, halt} = disk_log:open([{name, halt}, {type, halt}, {file, Halt},
{head, header}, {notify, true}]),
?line infinity = sz(halt),
?line ok = disk_log:truncate(halt, tjohej),
?line rec(1, {disk_log, node(), halt, {truncated, 1}}),
?line ok = disk_log:change_size(halt, 10000),
?line 10000 = sz(halt),
?line disk_log:close(halt),
?line [tjohej] = get_all_terms(halt, Halt, halt),
?line file:delete(Halt),
?line {ok, halt} = disk_log:open([{name, halt}, {type, halt}, {file, Halt},
{head, header}, {notify, true}]),
?line ok = disk_log:truncate(halt),
?line rec(1, {disk_log, node(), halt, {truncated, 1}}),
?line disk_log:close(halt),
?line [header] = get_all_terms(halt, Halt, halt),
?line file:delete(Halt),
?line {ok, halt} = disk_log:open([{name, halt}, {type, halt},
{file, Halt}, {format, external},
{head, "header"}, {notify, false}]),
?line ok = disk_log:btruncate(halt, "apa"),
?line disk_log:close(halt),
?line 3 = file_size(Halt),
?line file:delete(Halt),
%% Wrap logs.
?line File = filename:join(Dir, "n.LOG"),
?line No = 4,
?line B = mk_bytes(60),
?line del(File, No), % cleanup
%% Internal with header.
?line Size = {100, No},
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{head, header}, {notify, true},
{size, Size}]),
?line ok = disk_log:log_terms(n, [B,B,B]),
%% Used to be one message, but now one per wrapped file.
?line rec(2, {disk_log, node(), n, {wrap, 0}}),
?line ok = disk_log:truncate(n, apa),
?line rec(1, {disk_log, node(), n, {truncated, 6}}),
?line {0, 0} = no_overflows(n),
?line 23 = curb(n),
?line 1 = curf(n),
?line 1 = cur_cnt(n),
?line true = (Size == sz(n)),
?line ok = disk_log:log_terms(n, [B, B]),
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line ok = disk_log:close(n),
?line [apa, _, header, _] = get_all_terms(n, File, wrap),
?line del(File, No),
%% Internal without general header.
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{notify, true},
{size, {100, No}}]),
?line ok = disk_log:log_terms(n, [B,B,B]),
?line rec(2, {disk_log, node(), n, {wrap, 0}}),
?line ok = disk_log:truncate(n, apa),
?line rec(1, {disk_log, node(), n, {truncated, 3}}),
?line {0, 0} = no_overflows(n),
?line 23 = curb(n),
?line 1 = curf(n),
?line 1 = cur_cnt(n),
?line true = (Size == sz(n)),
?line ok = disk_log:log_terms(n, [B, B]),
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line ok = disk_log:close(n),
?line [apa, _, _] = get_all_terms(n, File, wrap),
?line del(File, No),
%% Internal without any header.
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{notify, true},
{size, {100, No}}]),
?line ok = disk_log:log_terms(n, [B,B,B]),
?line rec(2, {disk_log, node(), n, {wrap, 0}}),
?line ok = disk_log:truncate(n),
?line rec(1, {disk_log, node(), n, {truncated, 3}}),
?line {0, 0} = no_overflows(n),
?line 8 = curb(n),
?line 1 = curf(n),
?line 0 = cur_cnt(n),
?line true = (Size == sz(n)),
?line ok = disk_log:log_terms(n, [B, B]),
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line ok = disk_log:close(n),
?line [_, _] = get_all_terms(n, File, wrap),
?line del(File, No),
?line Q = qlen(),
ok.
%% Test many users logging and sync:ing at the same time.
many_users(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
N = 100,
NoClients = 10,
Fun1 = fun(Name, Pid, I) -> disk_log:log(Name, {Pid, I}) end,
Fun2 = fun(Name, Pid, I) -> ok = disk_log:log(Name, {Pid, I}),
disk_log:sync(Name) end,
?line {C1, T1} = many(Fun2, NoClients, N, halt, internal, infinity, Dir),
?line true = lists:duplicate(NoClients, ok) == C1,
?line true = length(T1) == N*NoClients,
?line {C2, T2} = many(Fun1, NoClients, N, halt, internal, 1000, Dir),
?line true = lists:duplicate(NoClients, {error, {full,"log.LOG"}}) == C2,
?line true = length(T2) > 0,
?line {C3, T3} = many(Fun2, NoClients, N, wrap, internal,
{300*NoClients,200}, Dir),
?line true = lists:duplicate(NoClients, ok) == C3,
?line true = length(T3) == N*NoClients,
ok.
many(Fun, NoClients, N, Type, Format, Size, Dir) ->
Name = "log.LOG",
File = filename:join(Dir, Name),
del_files(Size, File),
?line Q = qlen(),
?line {ok, _} = disk_log:open([{name,Name}, {type,Type}, {size,Size},
{format,Format}, {file,File}]),
?line Pids = spawn_clients(NoClients, client, [self(), Name, N, Fun]),
?line Checked = check_clients(Pids),
?line ok = disk_log:close(Name),
?line Terms = get_all_terms(Name, File, Type),
?line del_files(Size, File),
?line Q = qlen(),
?line {Checked, Terms}.
spawn_clients(0, _F, _A) ->
[];
spawn_clients(I, F, A) ->
[spawn_link(?MODULE, F, A) | spawn_clients(I-1, F, A)].
check_clients(Pids) ->
lists:map(fun(Pid) -> receive {Pid, Reply} -> Reply end end, Pids).
client(From, _Name, 0, _Fun) ->
From ! {self(), ok};
client(From, Name, N, Fun) ->
%% Fun is called N times.
case Fun(Name, self(), N) of
ok -> client(From, Name, N-1, Fun);
Else -> From ! {self(), Else}
end.
del_files({_NoBytes,NoFiles}, File) ->
del(File, NoFiles);
del_files(_Size, File) ->
file:delete(File).
%% Test no_current_{bytes, items} as returned by info/0.
info_current(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
?line File = filename:join(Dir, "n.LOG"),
No = 4,
B = mk_bytes(60),
BB = mk_bytes(160), % bigger than a single wrap log file
SB = mk_bytes(10), % much smaller than a single wrap log file
?line del(File, No),% cleanup
?line Q = qlen(),
%% Internal with header.
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{head, header}, {size, {100,No}}]),
?line {26, 1} = {curb(n), cur_cnt(n)},
?line {1, 1} = {no_written_items(n), no_items(n)},
?line ok = disk_log:log(n, B),
?line {94, 2} = {curb(n), cur_cnt(n)},
?line {2, 2} = {no_written_items(n), no_items(n)},
?line ok = disk_log:close(n),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{notify, true},
{head, header}, {size, {100,No}}]),
?line {94, 2} = {curb(n), cur_cnt(n)},
?line {0, 2} = {no_written_items(n), no_items(n)},
?line ok = disk_log:log(n, B),
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line {94, 2} = {curb(n), cur_cnt(n)},
?line {2, 4} = {no_written_items(n), no_items(n)},
?line disk_log:inc_wrap_file(n),
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line {26, 1} = {curb(n), cur_cnt(n)},
?line {3, 4} = {no_written_items(n), no_items(n)},
?line ok = disk_log:log_terms(n, [B,B,B]),
%% Used to be one message, but now one per wrapped file.
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line rec(1, {disk_log, node(), n, {wrap, 2}}),
?line {94, 2} = {curb(n), cur_cnt(n)},
?line {8, 7} = {no_written_items(n), no_items(n)},
?line ok = disk_log:log_terms(n, [B]),
?line rec(1, {disk_log, node(), n, {wrap, 2}}),
?line ok = disk_log:log_terms(n, [B]),
?line rec(1, {disk_log, node(), n, {wrap, 2}}),
?line {94, 2} = {curb(n), cur_cnt(n)},
?line {12, 7} = {no_written_items(n), no_items(n)},
?line ok = disk_log:log_terms(n, [BB,BB]),
%% Used to be one message, but now one per wrapped file.
?line rec(2, {disk_log, node(), n, {wrap, 2}}),
?line {194, 2} = {curb(n), cur_cnt(n)},
?line {16, 7} = {no_written_items(n), no_items(n)},
?line ok = disk_log:log_terms(n, [SB,SB,SB]),
?line rec(1, {disk_log, node(), n, {wrap, 2}}),
?line {80, 4} = {curb(n), cur_cnt(n)},
?line {20, 9} = {no_written_items(n), no_items(n)},
?line ok = disk_log:close(n),
?line del(File, No),
%% Internal without header.
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{size, {100,No}}]),
?line {8, 0} = {curb(n), cur_cnt(n)},
?line {0, 0} = {no_written_items(n), no_items(n)},
?line ok = disk_log:log(n, B),
?line {76, 1} = {curb(n), cur_cnt(n)},
?line {1, 1} = {no_written_items(n), no_items(n)},
?line ok = disk_log:close(n),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{notify, true}, {size, {100,No}}]),
?line {76, 1} = {curb(n), cur_cnt(n)},
?line {0, 1} = {no_written_items(n), no_items(n)},
?line ok = disk_log:log(n, B),
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line {76, 1} = {curb(n), cur_cnt(n)},
?line {1, 2} = {no_written_items(n), no_items(n)},
?line disk_log:inc_wrap_file(n),
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line {8, 0} = {curb(n), cur_cnt(n)},
?line {1, 2} = {no_written_items(n), no_items(n)},
?line ok = disk_log:log_terms(n, [B,B,B]),
%% Used to be one message, but now one per wrapped file.
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line rec(1, {disk_log, node(), n, {wrap, 1}}),
?line {76, 1} = {curb(n), cur_cnt(n)},
?line {4, 4} = {no_written_items(n), no_items(n)},
?line ok = disk_log:log_terms(n, [B]),
?line rec(1, {disk_log, node(), n, {wrap, 1}}),
?line ok = disk_log:log_terms(n, [B]),
?line rec(1, {disk_log, node(), n, {wrap, 1}}),
?line {76, 1} = {curb(n), cur_cnt(n)},
?line {6, 4} = {no_written_items(n), no_items(n)},
?line ok = disk_log:log_terms(n, [BB,BB]),
%% Used to be one message, but now one per wrapped file.
?line rec(2, {disk_log, node(), n, {wrap, 1}}),
?line {176, 1} = {curb(n), cur_cnt(n)},
?line {8, 4} = {no_written_items(n), no_items(n)},
?line ok = disk_log:log_terms(n, [SB,SB,SB]),
?line rec(1, {disk_log, node(), n, {wrap, 1}}),
?line {62, 3} = {curb(n), cur_cnt(n)},
?line {11, 6} = {no_written_items(n), no_items(n)},
?line ok = disk_log:close(n),
?line del(File, No),
%% External with header.
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, external}, {head, "header"},
{size, {100,No}}]),
?line {6, 1} = {curb(n), cur_cnt(n)},
?line {1, 1} = {no_written_items(n), no_items(n)},
?line ok = disk_log:blog(n, B),
?line {62, 2} = {curb(n), cur_cnt(n)},
?line {2, 2} = {no_written_items(n), no_items(n)},
?line ok = disk_log:close(n),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, external}, {head, "header"},
{notify, true}, {size, {100,No}}]),
?line {62, 2} = {curb(n), cur_cnt(n)},
?line {0, 2} = {no_written_items(n), no_items(n)},
?line ok = disk_log:blog(n, B),
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line {62, 2} = {curb(n), cur_cnt(n)},
?line {2, 4} = {no_written_items(n), no_items(n)},
?line disk_log:inc_wrap_file(n),
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line {6, 1} = {curb(n), cur_cnt(n)},
?line {3, 4} = {no_written_items(n), no_items(n)},
?line ok = disk_log:blog_terms(n, [B,B,B]),
%% Used to be one message, but now one per wrapped file.
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line rec(1, {disk_log, node(), n, {wrap, 2}}),
?line {62, 2} = {curb(n), cur_cnt(n)},
?line {8, 7} = {no_written_items(n), no_items(n)},
?line ok = disk_log:blog_terms(n, [B]),
?line rec(1, {disk_log, node(), n, {wrap, 2}}),
?line ok = disk_log:blog_terms(n, [B]),
?line rec(1, {disk_log, node(), n, {wrap, 2}}),
?line {62, 2} = {curb(n), cur_cnt(n)},
?line {12, 7} = {no_written_items(n), no_items(n)},
?line ok = disk_log:blog_terms(n, [BB,BB]),
%% Used to be one message, but now one per wrapped file.
?line rec(2, {disk_log, node(), n, {wrap, 2}}),
?line {162, 2} = {curb(n), cur_cnt(n)},
?line {16, 7} = {no_written_items(n), no_items(n)},
?line ok = disk_log:blog_terms(n, [SB,SB,SB]),
?line rec(1, {disk_log, node(), n, {wrap, 2}}),
?line {24, 4} = {curb(n), cur_cnt(n)},
?line {20, 9} = {no_written_items(n), no_items(n)},
?line ok = disk_log:close(n),
?line del(File, No),
%% External without header.
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{format, external}, {size, {100,No}}]),
?line {0, 0} = {curb(n), cur_cnt(n)},
?line {0, 0} = {no_written_items(n), no_items(n)},
?line ok = disk_log:blog(n, B),
?line {56, 1} = {curb(n), cur_cnt(n)},
?line {1, 1} = {no_written_items(n), no_items(n)},
?line ok = disk_log:close(n),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{notify, true},
{format, external}, {size, {100,No}}]),
?line {56, 1} = {curb(n), cur_cnt(n)},
?line {0, 1} = {no_written_items(n), no_items(n)},
?line ok = disk_log:blog(n, B),
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line {56, 1} = {curb(n), cur_cnt(n)},
?line {1, 2} = {no_written_items(n), no_items(n)},
?line disk_log:inc_wrap_file(n),
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line {0, 0} = {curb(n), cur_cnt(n)},
?line {1, 2} = {no_written_items(n), no_items(n)},
?line ok = disk_log:blog_terms(n, [B,B,B]),
%% Used to be one message, but now one per wrapped file.
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line rec(1, {disk_log, node(), n, {wrap, 1}}),
?line {56, 1} = {curb(n), cur_cnt(n)},
?line {4, 4} = {no_written_items(n), no_items(n)},
?line ok = disk_log:blog_terms(n, [B]),
?line rec(1, {disk_log, node(), n, {wrap, 1}}),
?line ok = disk_log:blog_terms(n, [B]),
?line rec(1, {disk_log, node(), n, {wrap, 1}}),
?line {56, 1} = {curb(n), cur_cnt(n)},
?line {6, 4} = {no_written_items(n), no_items(n)},
?line ok = disk_log:blog_terms(n, [BB,BB]),
%% Used to be one message, but now one per wrapped file.
?line rec(2, {disk_log, node(), n, {wrap, 1}}),
?line {156, 1} = {curb(n), cur_cnt(n)},
?line {8, 4} = {no_written_items(n), no_items(n)},
?line ok = disk_log:blog_terms(n, [SB,SB,SB]),
?line rec(1, {disk_log, node(), n, {wrap, 1}}),
?line {18, 3} = {curb(n), cur_cnt(n)},
?line {11, 6} = {no_written_items(n), no_items(n)},
?line ok = disk_log:close(n),
?line del(File, No),
?line Q = qlen(),
ok.
change_size_before(doc) ->
["Change size of a wrap log file before we have reached "
"to the file index corresponding to the new size"];
change_size_before(Conf) when is_list(Conf) ->
Log_1_1 = "first log first message",
Log_1_2 = "first log second message",
Log_2_1 = "second log first message",
Log_2_2 = "second log second message",
Log_3_1 = "third log first message",
Log_3_2 = "third log second message",
Log_4_1 = "fourth log first message",
Log_4_2 = "fourth log second message",
Log_5_1 = "fifth log first message",
Log_5_2 = "fifth log second message",
Log_1_2_1 = "first log second round 1",
Log_1_2_2 = "first log second round 2",
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
del(File, 5),
?line {ok, a} = disk_log:open([{name,a}, {file, File},
{type, wrap}, {size, {100,5}}]),
?line disk_log:log(a, Log_1_1),
?line disk_log:log(a, Log_1_2),
?line disk_log:log(a, Log_2_1),
?line disk_log:log(a, Log_2_2),
?line disk_log:change_size(a, {100, 3}),
?line [Log_1_1, Log_1_2,
Log_2_1, Log_2_2] = get_all_terms(a),
?line disk_log:log(a, Log_3_1),
?line disk_log:log(a, Log_3_2),
?line disk_log:log(a, Log_1_2_1),
?line disk_log:log(a, Log_1_2_2),
?line [Log_2_1, Log_2_2,
Log_3_1, Log_3_2,
Log_1_2_1, Log_1_2_2] = get_all_terms(a),
?line disk_log:close(a),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap},
{size, {100,3}}]),
?line [Log_2_1, Log_2_2,
Log_3_1, Log_3_2,
Log_1_2_1, Log_1_2_2] = get_all_terms(a),
disk_log:close(a),
del(File, 5),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap},
{size, {60,5}}, {format, external}]),
?line disk_log:blog(a, Log_1_1),
?line disk_log:blog(a, Log_1_2),
?line disk_log:blog(a, Log_2_1),
?line disk_log:blog(a, Log_2_2),
?line disk_log:change_size(a, {60, 3}),
?line ok = disk_log:sync(a),
?line {ok, Fd1} = file:open(File ++ ".1", [read]),
?line Log11_12 = Log_1_1 ++ Log_1_2,
?line {ok,Log11_12} = file:read(Fd1, 200),
?line ok = file:close(Fd1),
?line {ok, Fd2} = file:open(File ++ ".2", [read]),
?line Log21_22 = Log_2_1 ++ Log_2_2,
?line {ok,Log21_22} = file:read(Fd2, 200),
?line ok = file:close(Fd2),
?line disk_log:blog(a, Log_3_1),
?line disk_log:blog(a, Log_3_2),
?line disk_log:blog(a, Log_1_2_1),
?line disk_log:blog(a, Log_1_2_2),
?line ok = disk_log:sync(a),
?line {ok, Fd2a} = file:open(File ++ ".2", [read]),
?line {ok,Log21_22} = file:read(Fd2a, 200),
?line ok = file:close(Fd2a),
?line {ok, Fd3a} = file:open(File ++ ".3", [read]),
?line Log31_32 = Log_3_1 ++ Log_3_2,
?line {ok,Log31_32} = file:read(Fd3a, 200),
?line ok = file:close(Fd3a),
?line {ok, Fd1a} = file:open(File ++ ".1", [read]),
?line Log121_122 = Log_1_2_1 ++ Log_1_2_2,
?line {ok,Log121_122} = file:read(Fd1a, 200),
?line ok = file:close(Fd1a),
?line disk_log:close(a),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap},
{size, {60,3}}, {format, external}]),
?line {ok, Fd2b} = file:open(File ++ ".2", [read]),
?line {ok,Log21_22} = file:read(Fd2b, 200),
?line ok = file:close(Fd2b),
?line {ok, Fd3b} = file:open(File ++ ".3", [read]),
?line {ok,Log31_32} = file:read(Fd3b, 200),
?line ok = file:close(Fd3b),
?line {ok, Fd1b} = file:open(File ++ ".1", [read]),
?line {ok,Log121_122} = file:read(Fd1b, 200),
?line ok = file:close(Fd1b),
disk_log:close(a),
del(File, 5),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap}, {size, {100,5}}]),
?line disk_log:log(a, Log_1_1),
?line disk_log:log(a, Log_1_2),
?line disk_log:log(a, Log_2_1),
?line disk_log:log(a, Log_2_2),
?line disk_log:change_size(a, {60, 3}),
?line [Log_1_1, Log_1_2,
Log_2_1, Log_2_2] = get_all_terms(a),
?line disk_log:log(a, Log_3_1),
?line disk_log:log(a, Log_1_2_1),
?line [Log_2_1, Log_2_2,
Log_3_1,
Log_1_2_1] = get_all_terms(a),
?line disk_log:close(a),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap}, {size, {60,3}}]),
?line [Log_2_1, Log_2_2,
Log_3_1,
Log_1_2_1] = get_all_terms(a),
disk_log:close(a),
del(File, 5),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap}, {size, {60, 3}}]),
?line disk_log:log(a, Log_1_1),
?line disk_log:log(a, Log_2_1),
?line disk_log:change_size(a, {100, 5}),
?line [Log_1_1,
Log_2_1] = get_all_terms(a),
?line disk_log:log(a, Log_2_2),
?line disk_log:log(a, Log_3_1),
?line disk_log:log(a, Log_3_2),
?line disk_log:log(a, Log_4_1),
?line disk_log:log(a, Log_4_2),
?line disk_log:log(a, Log_5_1),
?line disk_log:log(a, Log_5_2),
?line disk_log:log(a, Log_1_2_1),
?line [Log_2_1, Log_2_2,
Log_3_1, Log_3_2,
Log_4_1, Log_4_2,
Log_5_1, Log_5_2,
Log_1_2_1] = get_all_terms(a),
?line disk_log:close(a),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap}, {size, {100, 5}}]),
?line [Log_2_1, Log_2_2,
Log_3_1, Log_3_2,
Log_4_1, Log_4_2,
Log_5_1, Log_5_2,
Log_1_2_1] = get_all_terms(a),
disk_log:close(a),
del(File, 5).
%% Change size of a wrap log file while logging to a file index
%% between the old and the new size.
change_size_during(Conf) when is_list(Conf) ->
Log_1_1 = "first log first message",
Log_1_2 = "first log second message",
Log_2_1 = "second log first message",
Log_2_2 = "second log second message",
Log_3_1 = "third log first message",
Log_3_2 = "third log second message",
Log_4_1 = "fourth log first message",
Log_4_2 = "fourth log second message",
Log_5_1 = "fifth log first message",
Log_5_2 = "fifth log second message",
Log_1_2_1 = "first log second round 1",
Log_1_2_2 = "first log second round 2",
Log_2_2_1 = "second log second round 1",
Log_2_2_2 = "second log second round 2",
Log_3_2_1 = "third log second round 1",
Log_3_2_2 = "third log second round 2",
Log_1_3_1 = "first log third round 1",
Log_1_3_2 = "first log third round 2",
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap}, {size, {100,5}}]),
?line disk_log:log(a, Log_1_1),
?line disk_log:log(a, Log_1_2),
?line disk_log:log(a, Log_2_1),
?line disk_log:log(a, Log_2_2),
?line disk_log:log(a, Log_3_1),
?line disk_log:log(a, Log_3_2),
?line disk_log:log(a, Log_4_1),
?line disk_log:log(a, Log_4_2),
?line disk_log:log(a, Log_5_1),
?line disk_log:log(a, Log_5_2),
?line disk_log:log(a, Log_1_1),
?line disk_log:log(a, Log_1_2),
?line disk_log:log(a, Log_2_1),
?line disk_log:log(a, Log_2_2),
?line disk_log:log(a, Log_3_1),
?line disk_log:log(a, Log_3_2),
?line disk_log:log(a, Log_4_1),
?line disk_log:log(a, Log_4_2),
?line disk_log:change_size(a, {100, 3}),
?line [Log_5_1, Log_5_2,
Log_1_1, Log_1_2,
Log_2_1, Log_2_2,
Log_3_1, Log_3_2,
Log_4_1, Log_4_2] = get_all_terms(a),
?line disk_log:log(a, Log_1_2_1),
?line disk_log:log(a, Log_1_2_2),
?line [Log_2_1, Log_2_2,
Log_3_1, Log_3_2,
Log_4_1, Log_4_2,
Log_1_2_1, Log_1_2_2] = get_all_terms(a),
?line disk_log:close(a),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap}, {size, {100,3}}]),
?line [Log_2_1, Log_2_2,
Log_3_1, Log_3_2,
Log_4_1, Log_4_2,
Log_1_2_1, Log_1_2_2] = get_all_terms(a),
?line disk_log:log(a, Log_2_2_1),
?line disk_log:log(a, Log_2_2_2),
?line disk_log:log(a, Log_3_2_1),
?line disk_log:log(a, Log_3_2_2),
?line disk_log:log(a, Log_1_3_1),
?line disk_log:log(a, Log_1_3_2),
?line [Log_2_2_1, Log_2_2_2,
Log_3_2_1, Log_3_2_2,
Log_1_3_1, Log_1_3_2] = get_all_terms(a),
disk_log:close(a),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap}, {size, {100,3}}]),
?line [Log_2_2_1, Log_2_2_2,
Log_3_2_1, Log_3_2_2,
Log_1_3_1, Log_1_3_2] = get_all_terms(a),
disk_log:close(a),
del(File, 5),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap}, {size, {100,5}}]),
?line disk_log:log(a, Log_1_1),
?line disk_log:log(a, Log_1_2),
?line disk_log:log(a, Log_2_1),
?line disk_log:log(a, Log_2_2),
?line disk_log:log(a, Log_3_1),
?line disk_log:log(a, Log_3_2),
?line disk_log:log(a, Log_4_1),
?line disk_log:log(a, Log_4_2),
?line disk_log:log(a, Log_5_1),
?line disk_log:log(a, Log_5_2),
?line disk_log:log(a, Log_1_1),
?line disk_log:log(a, Log_1_2),
?line disk_log:log(a, Log_2_1),
?line disk_log:log(a, Log_2_2),
?line disk_log:log(a, Log_3_1),
?line disk_log:log(a, Log_3_2),
?line disk_log:log(a, Log_4_1),
?line disk_log:log(a, Log_4_2),
?line disk_log:log(a, Log_5_1),
?line disk_log:log(a, Log_5_2),
?line disk_log:change_size(a, {100, 3}),
?line [Log_1_1, Log_1_2,
Log_2_1, Log_2_2,
Log_3_1, Log_3_2,
Log_4_1, Log_4_2,
Log_5_1, Log_5_2] = get_all_terms(a),
?line disk_log:log(a, Log_1_2_1),
?line disk_log:log(a, Log_1_2_2),
?line disk_log:log(a, Log_2_2_1),
?line disk_log:log(a, Log_2_2_2),
?line disk_log:log(a, Log_3_2_1),
?line disk_log:log(a, Log_3_2_2),
?line disk_log:log(a, Log_1_3_1),
?line disk_log:log(a, Log_1_3_2),
?line [Log_2_2_1, Log_2_2_2,
Log_3_2_1, Log_3_2_2,
Log_1_3_1, Log_1_3_2] = get_all_terms(a),
?line disk_log:close(a),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap}, {size, {100,3}}]),
?line [Log_2_2_1, Log_2_2_2,
Log_3_2_1, Log_3_2_2,
Log_1_3_1, Log_1_3_2] = get_all_terms(a),
disk_log:close(a),
del(File, 5).
%% Change size of a wrap log file before we have reached (on the
%% second round) to the file index corresponding to the new size.
change_size_after(Conf) when is_list(Conf) ->
Log_1_1 = "first log first message",
Log_1_2 = "first log second message",
Log_2_1 = "second log first message",
Log_2_2 = "second log second message",
Log_3_1 = "third log first message",
Log_3_2 = "third log second message",
Log_4_1 = "fourth log first message",
Log_4_2 = "fourth log second message",
Log_5_1 = "fifth log first message",
Log_5_2 = "fifth log second message",
Log_1_2_1 = "first log second round 1",
Log_1_2_2 = "first log second round 2",
Dir = ?privdir(Conf),
File = filename:join(Dir, "a.LOG"),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap},
{size, {100,5}}]),
?line disk_log:log(a, Log_1_1),
?line disk_log:log(a, Log_1_2),
?line disk_log:log(a, Log_2_1),
?line disk_log:log(a, Log_2_2),
?line disk_log:log(a, Log_3_1),
?line disk_log:log(a, Log_3_2),
?line disk_log:log(a, Log_4_1),
?line disk_log:log(a, Log_4_2),
?line disk_log:log(a, Log_5_1),
?line disk_log:log(a, Log_5_2),
?line disk_log:log(a, Log_1_1),
?line disk_log:log(a, Log_1_2),
?line disk_log:log(a, Log_2_1),
?line disk_log:log(a, Log_2_2),
?line disk_log:change_size(a, {100, 3}),
?line [Log_3_1,Log_3_2,
Log_4_1, Log_4_2,
Log_5_1, Log_5_2,
Log_1_1, Log_1_2,
Log_2_1, Log_2_2] = get_all_terms(a),
?line disk_log:log(a, Log_3_1),
?line disk_log:log(a, Log_3_2),
?line disk_log:log(a, Log_1_2_1),
?line disk_log:log(a, Log_1_2_2),
?line [Log_2_1, Log_2_2,
Log_3_1, Log_3_2,
Log_1_2_1, Log_1_2_2] = get_all_terms(a),
?line disk_log:close(a),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap},
{size, {100,3}}]),
?line [Log_2_1, Log_2_2,
Log_3_1, Log_3_2,
Log_1_2_1, Log_1_2_2] = get_all_terms(a),
disk_log:close(a),
del(File, 5),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap},
{size, {100,5}}]),
?line disk_log:log(a, Log_1_1),
?line disk_log:log(a, Log_1_2),
?line disk_log:log(a, Log_2_1),
?line disk_log:log(a, Log_2_2),
?line disk_log:log(a, Log_3_1),
?line disk_log:log(a, Log_3_2),
?line disk_log:log(a, Log_4_1),
?line disk_log:log(a, Log_4_2),
?line disk_log:log(a, Log_5_1),
?line disk_log:log(a, Log_5_2),
?line disk_log:log(a, Log_1_1),
?line disk_log:log(a, Log_1_2),
?line disk_log:log(a, Log_2_1),
?line disk_log:log(a, Log_2_2),
?line disk_log:change_size(a, {60, 3}),
?line [Log_3_1,Log_3_2,
Log_4_1, Log_4_2,
Log_5_1, Log_5_2,
Log_1_1, Log_1_2,
Log_2_1, Log_2_2] = get_all_terms(a),
?line disk_log:log(a, Log_3_1),
?line disk_log:log(a, Log_1_2_1),
?line [Log_2_1, Log_2_2,
Log_3_1,
Log_1_2_1] = get_all_terms(a),
?line disk_log:close(a),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap},
{size, {60,3}}]),
?line [Log_2_1, Log_2_2,
Log_3_1,
Log_1_2_1] = get_all_terms(a),
disk_log:close(a),
del(File, 5).
%% Open an existing wrap log without size option .
default_size(Conf) when is_list(Conf) ->
?line Dir = ?privdir(Conf),
?line File = filename:join(Dir, "a.LOG"),
?line {error, {badarg, size}} = disk_log:open([{name,a}, {file, File},
{type, wrap}]),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap},
{size, {100,5}}]),
?line disk_log:close(a),
?line {ok, a} = disk_log:open([{name,a}, {file, File}, {type, wrap}]),
?line {100, 5} = disk_log_1:read_size_file(File),
?line ok = disk_log:close(a),
?line del(File, 5).
%% Testing change_size/2 a bit more...
change_size2(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
?line File = filename:join(Dir, "n.LOG"),
?line No = 4,
?line del(File, No), % cleanup
%% External halt.
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {size, 100000},
{format, external}, {type, halt}]),
?line B = mk_bytes(60), % 56 actually...
?line ok = disk_log:blog_terms(n, [B,list_to_binary(B),B]),
?line Error1 = {error, {new_size_too_small,n,168}} =
disk_log:change_size(n, 167),
?line "The current size" ++ _ = format_error(Error1),
?line ok = disk_log:change_size(n, infinity),
?line ok = disk_log:change_size(n, 168),
?line ok = disk_log:close(n),
?line file:delete(File), % cleanup
%% External wrap.
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{size, {100,No}}, {notify, true},
{format, external}]),
?line BB = mk_bytes(160),
?line ok = disk_log:blog_terms(n, [BB, BB, BB, BB]), % create all files
%% Used to be one message, but now one per wrapped file.
?line rec(3, {disk_log, node(), n, {wrap, 0}}),
?line ok = disk_log:blog_terms(n, [BB, BB]),
%% Used to be one message, but now one per wrapped file.
?line rec(2, {disk_log, node(), n, {wrap, 1}}),
?line ok = disk_log:change_size(n, {100, 2}),
?line ok = disk_log:change_size(n, {100, 2}),
?line {100, 2} = sz(n),
?line ok = disk_log:balog_terms(n, [BB, BB]),
?line ok = disk_log:balog_terms(n, [BB]),
?line ok = disk_log:blog_terms(n, [BB]),
%% Used to be one message, but now one per wrapped file.
?line rec(4, {disk_log, node(), n, {wrap, 1}}),
?line ok = disk_log:change_size(n, {100, 4}),
?line ok = disk_log:close(n),
?line del(File, No),
%% Internal wrap.
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{size, {100,No}}, {notify, true},
{format, internal}]),
?line ok = disk_log:blog_terms(n, [BB, BB, BB, BB]), % create all files
%% Used to be one message, but now one per wrapped file.
?line rec(3, {disk_log, node(), n, {wrap, 0}}),
?line ok = disk_log:blog_terms(n, [BB, BB]),
%% Used to be one message, but now one per wrapped file.
?line rec(2, {disk_log, node(), n, {wrap, 1}}),
?line ok = disk_log:change_size(n, {100, 2}),
?line {100, 2} = sz(n),
?line ok = disk_log:blog_terms(n, [BB, BB, BB, BB]),
%% Used to be one message, but now one per wrapped file.
?line rec(4, {disk_log, node(), n, {wrap, 1}}),
?line ok = disk_log:close(n),
?line del(File, No).
%% OTP-3484: truncating index file.
change_size_truncate(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
?line File = filename:join(Dir, "bert.LOG"),
?line No = 3,
?line B = mk_bytes(60),
%% The problem here is truncation of the index file. One cannot easily
%% check that the index file is correctly updated, but print_index_file()
%% can be used to follow the progress more closely.
%% Part 1.
%% Change the size immediately after creating the log, while there
%% are no log files. This used to write stuff a negative offset
%% from the beginning of the file.
?line del(File, No+1),
?line {ok, bert} = disk_log:open([{name,bert}, {type,wrap}, {file, File},
{notify, true}, {size,{1000,255}}]),
?line ok = disk_log:change_size(bert,{100,No}),
?line ok = disk_log:blog(bert, B),
?line ok = disk_log:blog(bert, B),
?line rec(1, {disk_log, node(), bert, {wrap, 0}}),
?line ok = disk_log:blog(bert, B),
?line rec(1, {disk_log, node(), bert, {wrap, 0}}),
?line 3 = curf(bert),
?line ok = disk_log:blog(bert, B),
?line rec(1, {disk_log, node(), bert, {wrap, 1}}),
?line 1 = curf(bert),
?line ok = disk_log:blog(bert, B),
?line rec(1, {disk_log, node(), bert, {wrap, 1}}),
?line ok = disk_log:blog(bert, B),
?line rec(1, {disk_log, node(), bert, {wrap, 1}}),
?line ok = disk_log:blog(bert, B),
?line rec(1, {disk_log, node(), bert, {wrap, 1}}),
?line ok = disk_log:blog(bert, B),
?line rec(1, {disk_log, node(), bert, {wrap, 1}}),
?line ok = disk_log:blog(bert, B),
?line rec(1, {disk_log, node(), bert, {wrap, 1}}),
% Three items expected.
% disk_log_1:print_index_file("bert.LOG.idx"),
?line 3 = curf(bert),
?line ok = disk_log:change_size(bert,{100,1}),
?line ok = disk_log:blog(bert, B),
?line rec(1, {disk_log, node(), bert, {wrap, 1}}),
% Three items expected.
% disk_log_1:print_index_file("bert.LOG.idx"),
?line ok = disk_log:blog(bert, B),
?line rec(1, {disk_log, node(), bert, {wrap, 1}}),
?line ok = disk_log:blog(bert, B),
?line rec(1, {disk_log, node(), bert, {wrap, 1}}),
% One item expected.
% disk_log_1:print_index_file("bert.LOG.idx"),
?line ok = disk_log:blog(bert, B),
?line rec(1, {disk_log, node(), bert, {wrap, 1}}),
?line ok = disk_log:close(bert),
?line del(File, No),
%% Part 2.
%% Change the size twice, the second time while the the effects of
%% the first changed have not yet been handled. Finally close before
%% the index file has been truncated.
?line del(File, No),
?line {ok, bert} = disk_log:open([{name,bert}, {type,wrap}, {file, File},
{notify, true}, {size,{100,No}}]),
?line ok = disk_log:blog(bert, B),
?line ok = disk_log:blog(bert, B),
?line rec(1, {disk_log, node(), bert, {wrap, 0}}),
?line ok = disk_log:blog(bert, B),
?line rec(1, {disk_log, node(), bert, {wrap, 0}}),
?line 3 = curf(bert),
?line ok = disk_log:change_size(bert,{100,No-1}),
?line ok = disk_log:blog(bert, B),
?line rec(1, {disk_log, node(), bert, {wrap, 1}}),
?line 1 = curf(bert),
?line ok = disk_log:change_size(bert,{100,No+1}),
% Three items expected.
% disk_log_1:print_index_file("bert.LOG.idx"),
?line ok = disk_log:blog(bert, B),
?line rec(1, {disk_log, node(), bert, {wrap, 1}}),
% Three items expected.
% disk_log_1:print_index_file("bert.LOG.idx"),
?line 2 = curf(bert),
?line ok = disk_log:change_size(bert,{100,1}),
% Three items expected.
% disk_log_1:print_index_file("bert.LOG.idx"),
?line ok = disk_log:close(bert),
% State: .siz is 1, current file is 2, index file size is 3...
?line {ok, bert} = disk_log:open([{name,bert}, {file, File},
{type,wrap}, {notify, true}]),
% Three items expected.
% disk_log_1:print_index_file("bert.LOG.idx"),
?line 2 = curf(bert),
?line ok = disk_log:blog(bert, B),
?line rec(1, {disk_log, node(), bert, {wrap, 1}}),
?line ok = disk_log:close(bert),
?line {ok, bert} = disk_log:open([{name,bert}, {file, File},
{type,wrap}, {notify, true}]),
% Two items expected.
% disk_log_1:print_index_file("bert.LOG.idx"),
?line 1 = curf(bert),
?line ok = disk_log:blog(bert, B),
%% Expect {wrap 0}. Nothing lost now, last wrap notification
%% reported one lost item.
?line rec(1, {disk_log, node(), bert, {wrap, 0}}),
% One item expected.
% disk_log_1:print_index_file("bert.LOG.idx"),
?line ok = disk_log:close(bert),
?line del(File, No),
ok.
%% Change notify and head.
change_attribute(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
?line File = filename:join(Dir, "n.LOG"),
?line No = 4,
?line del(File, No), % cleanup
?line B = mk_bytes(60),
?line Q = qlen(),
% test change_notify
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{size, {100,No}}]),
?line {ok, n} = disk_log:open([{name, n}]), % ignored...
?line ok = disk_log:log_terms(n, [B,B]),
?line {error, {badarg, notify}} = disk_log:change_notify(n, self(), wrong),
?line ok = disk_log:change_notify(n, self(), false),
?line ok = disk_log:change_notify(n, self(), true),
?line Error1 = {error, {not_owner, _}} =
disk_log:change_notify(n, none, true),
?line "The pid" ++ _ = format_error(Error1),
?line 2 = no_written_items(n),
?line 0 = users(n),
?line Parent = self(),
?line Pid = spawn(fun() -> disk_log:close(n), Parent ! {self(),done} end),
?line receive {Pid, done} -> ok end,
?line 0 = users(n),
?line 1 = length(owners(n)),
% test change_header
?line {error, {badarg, head}} = disk_log:change_header(n, none),
?line {error, {badarg, head}} =
disk_log:change_header(n, {head_func, {1,2,3}}),
?line ok = disk_log:change_header(n, {head, header}),
?line ok = disk_log:log(n, B),
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line 4 = no_written_items(n),
?line ok = disk_log:change_header(n, {head, none}),
?line ok = disk_log:log(n, B),
?line rec(1, {disk_log, node(), n, {wrap, 0}}),
?line 5 = no_written_items(n),
?line ok = disk_log:change_header(n,
{head_func, {?MODULE, head_fun, [{ok,header}]}}),
?line ok = disk_log:log(n, B),
?line rec(1, {disk_log, node(), n, {wrap, 1}}),
?line 7 = no_written_items(n),
?line ok = disk_log:close(n),
?line {error, no_such_log} = disk_log:close(n),
?line del(File, No),
?line file:delete(File), % cleanup
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {format, external},
{type, halt}]),
?line {error, {badarg, head}} = disk_log:change_header(n, {head, header}),
?line ok = disk_log:change_header(n, {head, "header"}),
?line ok = disk_log:close(n),
?line file:delete(File),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{size, {100,No}}]),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{size, {100,No}}]),
?line ok = disk_log:change_notify(n, self(), true),
?line ok = disk_log:change_header(n, {head, tjolahopp}),
?line {ok, n} = disk_log:open([{name, n}, {file, File}, {type, wrap},
{size, {100,No}}, {notify, true}]),
?line ok = disk_log:close(n),
?line {error, no_such_log} = disk_log:info(n),
?line Q = qlen(),
?line del(File, No).
%% Open a distributed log.
dist_open(Conf) when is_list(Conf) ->
?line PrivDir = ?privdir(Conf),
?line true = is_alive(),
?line Q = qlen(),
?line File = filename:join(PrivDir, "n.LOG"),
?line File1 = filename:join(PrivDir, "n1.LOG"),
?line No = 3,
?line file:delete(File),
?line del(File, No), % cleanup
?line del(File1, No), % cleanup
?line B = mk_bytes(60),
?line PA = filename:dirname(code:which(?MODULE)),
?line {ok, Node} = start_node(disk_log, "-pa " ++ PA),
?line wait_for_ready_net(),
%% open non-distributed on this node:
?line {ok,n} = disk_log:open([{name, n}, {file, File}, {type, halt},
{distributed, []}]),
?line Error1 = {error, {halt_log, n}} = disk_log:inc_wrap_file(n),
?line "The halt log" ++ _ = format_error(Error1),
?line ok = disk_log:lclose(n),
?line file:delete(File),
%% open distributed on this node:
?line {[_],[]} = disk_log:open([{name, n}, {file, File}, {type, halt},
{distributed, [node()]}]),
%% the error message is ignored:
?line ok = disk_log:inc_wrap_file(n),
?line ok = disk_log:close(n),
?line file:delete(File),
%% open a wrap log on this node, write something on this node
?line {[_],[]} = disk_log:open([{name, n}, {file, File},
{type, wrap}, {size, {50, No}},
{distributed, [node()]}]),
?line ok = disk_log:log(n, B),
?line ok = disk_log:close(n),
%% open a wrap log on this node and aother node, write something
?line {[_],[]} = disk_log:open([{name, n}, {file, File},
{type, wrap}, {size, {50, No}},
{distributed, [node()]}]),
?line {[_],[]} = disk_log:open([{name, n}, {file, File1},
{type, wrap}, {size, {50, No}},
{distributed, [Node]}]),
?line ok = disk_log:log(n, B),
?line ok = rpc:call(Node, disk_log, log, [n, B]),
?line ok = disk_log:close(n),
?line del(File, No),
?line del(File1, No),
?line file:delete(File),
%% open a wrap log on this node and another node, use lclose
?line {[_],[]} = disk_log:open([{name, n}, {file, File},
{type, wrap}, {size, {50, No}},
{distributed, [node()]}]),
?line {[_],[]} = disk_log:open([{name, n}, {file, File},
{type, wrap}, {size, {50, No}},
{distributed, [node()]},
{linkto,none}]),
?line {[_],[]} = disk_log:open([{name, n}, {file, File1},
{type, wrap}, {size, {50, No}},
{distributed, [Node]}]),
?line [_, _] = distributed(n),
?line ok = disk_log:lclose(n, Node),
?line [_] = distributed(n),
?line ok = disk_log:lclose(n),
?line ok = disk_log:lclose(n),
?line {error, no_such_log} = disk_log:info(n),
?line del(File, No),
?line del(File1, No),
?line file:delete(File),
% open an invalid log file, and see how error are handled
?line First = "n.LOG.1",
?line make_file(PrivDir, First, 8),
?line {[], [_,_]} = disk_log:open([{name, n}, {file, File},
{type, wrap}, {size, {50, No}},
{distributed, [Node,node()]}]),
?line del(File, No),
?line file:delete(File),
% open a wrap on one other node (not on this node)
?line {[_],[]} = disk_log:open([{name, n}, {file, File},
{type, wrap}, {size, {50, No}},
{distributed, [Node]}]),
?line ok = rpc:call(Node, disk_log, log, [n, B]),
?line {error, no_such_log} = disk_log:lclose(n),
?line ok = disk_log:close(n),
?line Q = qlen(),
?line {error, no_such_log} = disk_log:info(n),
?line del(File, No),
?line file:delete(File),
?line stop_node(Node),
ok.
%% Open a log distributed and not distributed.
dist_error_open(Conf) when is_list(Conf) ->
?line PrivDir = ?privdir(Conf),
?line true = is_alive(),
?line Q = qlen(),
?line File = filename:join(PrivDir, "bert.LOG"),
?line File1 = filename:join(PrivDir, "bert1.LOG"),
?line No = 3,
?line file:delete(File),
?line del(File, No), % cleanup
?line del(File1, No), % cleanup
?line PA = filename:dirname(code:which(?MODULE)),
?line {ok, Node} = start_node(disk_log, "-pa " ++ PA),
?line wait_for_ready_net(),
% open non-distributed on this node:
?line {ok,n} = disk_log:open([{name, n}, {file, File},
{type, wrap}, {size, {50, No}}]),
% trying to open distributed on this node (error):
?line {[],[Error1={ENode,{error,{node_already_open,n}}}]} =
disk_log:open([{name, n}, {file, File},
{type, wrap}, {size, {50, No}},
{distributed, [node()]}]),
?line true =
lists:prefix(lists:flatten(io_lib:format("~p: The distribution",
[ENode])),
format_error(Error1)),
?line ok = disk_log:lclose(n),
% open distributed on this node:
?line {[_],[]} = disk_log:open([{name, n}, {file, File},
{type, wrap}, {size, {50, No}},
{distributed, [node()]}]),
% trying to open non-distributed on this node (error):
?line {_,{node_already_open,n}} =
disk_log:open([{name, n}, {file, File},
{type, wrap}, {size, {50, No}}]),
?line ok = disk_log:close(n),
?line Q = qlen(),
?line del(File, No),
?line del(File1, No),
?line file:delete(File),
?line stop_node(Node),
ok.
%% Notification from other node.
dist_notify(Conf) when is_list(Conf) ->
?line PrivDir = ?privdir(Conf),
?line true = is_alive(),
?line File = filename:join(PrivDir, "bert.LOG"),
?line File1 = filename:join(PrivDir, "bert1.LOG"),
?line No = 3,
?line B = mk_bytes(60),
?line file:delete(File),
?line file:delete(File1),
?line del(File, No), % cleanup
?line del(File1, No),
?line PA = filename:dirname(code:which(?MODULE)),
?line {ok, Node} = start_node(disk_log, "-pa " ++ PA),
?line wait_for_ready_net(),
% opening distributed on this node:
?line {[_],[]} = disk_log:open([{name, n}, {file, File}, {notify, false},
{type, wrap}, {size, {50, No}},
{distributed, [node()]}]),
% opening distributed on other node:
?line {[_],[]} = disk_log:open([{name, n}, {file, File1},
{notify, true}, {linkto, self()},
{type, wrap}, {size, {50, No}},
{distributed, [Node]}]),
?line disk_log:alog(n, B),
?line disk_log:alog(n, B),
?line ok = disk_log:sync(n),
?line rec(1, {disk_log, Node, n, {wrap, 0}}),
?line ok = disk_log:close(n),
?line del(File, No),
?line del(File1, No),
?line file:delete(File),
?line stop_node(Node),
ok.
%% Terminating nodes with distributed logs.
dist_terminate(Conf) when is_list(Conf) ->
?line Dir = ?privdir(Conf),
?line true = is_alive(),
?line File = filename:join(Dir, "n.LOG"),
?line File1 = filename:join(Dir, "n1.LOG"),
No = 1,
del(File, No), % cleanup
del(File1, No), % cleanup
?line PA = filename:dirname(code:which(?MODULE)),
?line {ok, Node} = start_node(disk_log, "-pa " ++ PA),
?line wait_for_ready_net(),
%% Distributed versions of two of the situations in close_block(/1.
%% One of two owners terminates.
?line Pid1 = spawn_link(?MODULE, lserv, [n]),
?line Pid2 = spawn_link(?MODULE, lserv, [n]),
?line {[{_, {ok, n}}], []} = sync_do(Pid1, {dist_open, File, node()}),
?line {[{_, {ok, n}}], []} = sync_do(Pid2, {dist_open, File1, Node}),
?line [_] = sync_do(Pid1, owners),
?line [_] = sync_do(Pid2, owners),
?line 0 = sync_do(Pid1, users),
?line 0 = sync_do(Pid2, users),
?line sync_do(Pid1, terminate),
?line [_] = sync_do(Pid2, owners),
?line 0 = sync_do(Pid2, users),
?line sync_do(Pid2, terminate),
?line {error, no_such_log} = disk_log:info(n),
%% Users terminate (no link...).
?line Pid3 = spawn_link(?MODULE, lserv, [n]),
?line Pid4 = spawn_link(?MODULE, lserv, [n]),
?line {[{_, {ok, n}}], []} =
sync_do(Pid3, {dist_open, File, none, node()}),
?line {[{_, {ok, n}}], []} =
sync_do(Pid4, {dist_open, File1, none, Node}),
?line [] = sync_do(Pid3, owners),
?line [] = sync_do(Pid4, owners),
?line 1 = sync_do(Pid3, users),
?line 1 = sync_do(Pid4, users),
?line sync_do(Pid3, terminate),
?line [] = sync_do(Pid4, owners),
?line 1 = sync_do(Pid4, users),
?line sync_do(Pid4, terminate),
?line ok = disk_log:close(n), % closing all nodes
?line {error, no_such_log} = disk_log:info(n),
?line del(File, No),
?line del(File1, No),
?line stop_node(Node),
ok.
%% Accessible logs on nodes.
dist_accessible(Conf) when is_list(Conf) ->
?line PrivDir = ?privdir(Conf),
?line true = is_alive(),
?line F1 = filename:join(PrivDir, "a.LOG"),
?line file:delete(F1),
?line F2 = filename:join(PrivDir, "b.LOG"),
?line file:delete(F2),
?line F3 = filename:join(PrivDir, "c.LOG"),
?line file:delete(F3),
?line F4 = filename:join(PrivDir, "d.LOG"),
?line file:delete(F1),
?line F5 = filename:join(PrivDir, "e.LOG"),
?line file:delete(F2),
?line F6 = filename:join(PrivDir, "f.LOG"),
?line file:delete(F3),
?line {[],[]} = disk_log:accessible_logs(),
?line {ok, a} = disk_log:open([{name, a}, {type, halt}, {file, F1}]),
?line {[a],[]} = disk_log:accessible_logs(),
?line {ok, b} = disk_log:open([{name, b}, {type, halt}, {file, F2}]),
?line {[a,b],[]} = disk_log:accessible_logs(),
?line {ok, c} = disk_log:open([{name, c}, {type, halt}, {file, F3}]),
?line {[a,b,c],[]} = disk_log:accessible_logs(),
?line PA = filename:dirname(code:which(?MODULE)),
?line {ok, Node} = start_node(disk_log, "-pa " ++ PA),
?line wait_for_ready_net(),
?line {[_],[]} = disk_log:open([{name, a}, {file, F4}, {type, halt},
{distributed, [Node]}]),
?line {[a,b,c],[]} = disk_log:accessible_logs(),
?line {[],[a]} = rpc:call(Node, disk_log, accessible_logs, []),
?line {[_],[]} = disk_log:open([{name, b}, {file, F5}, {type, halt},
{distributed, [Node]}]),
?line {[],[a,b]} = rpc:call(Node, disk_log, accessible_logs, []),
?line {[_],[]} = disk_log:open([{name, c}, {file, F6}, {type, halt},
{distributed, [Node]}]),
?line {[],[a,b,c]} = rpc:call(Node, disk_log, accessible_logs, []),
?line {[a,b,c],[]} = disk_log:accessible_logs(),
?line ok = disk_log:close(a),
?line {[b,c],[a]} = disk_log:accessible_logs(),
?line ok = disk_log:close(b),
?line {[c],[a,b]} = disk_log:accessible_logs(),
?line ok = disk_log:close(b),
?line {[c],[a]} = disk_log:accessible_logs(),
?line {[],[a,c]} = rpc:call(Node, disk_log, accessible_logs, []),
?line ok = disk_log:close(c),
?line {[],[a,c]} = disk_log:accessible_logs(),
?line ok = disk_log:close(c),
?line {[],[a]} = disk_log:accessible_logs(),
?line {[],[a]} = rpc:call(Node, disk_log, accessible_logs, []),
?line ok = disk_log:close(a),
?line {[],[]} = disk_log:accessible_logs(),
?line {[],[]} = rpc:call(Node, disk_log, accessible_logs, []),
?line file:delete(F1),
?line file:delete(F2),
?line file:delete(F3),
?line file:delete(F4),
?line file:delete(F5),
?line file:delete(F6),
?line stop_node(Node),
ok.
%% OTP-4405. Deadlock between two nodes could happen.
dist_deadlock(Conf) when is_list(Conf) ->
?line PrivDir = ?privdir(Conf),
?line true = is_alive(),
?line F1 = filename:join(PrivDir, "a.LOG"),
?line file:delete(F1),
?line F2 = filename:join(PrivDir, "b.LOG"),
?line file:delete(F2),
?line PA = filename:dirname(code:which(?MODULE)),
?line {ok, Node1} = start_node(disk_log_node1, "-pa " ++ PA),
?line {ok, Node2} = start_node(disk_log_node2, "-pa " ++ PA),
?line wait_for_ready_net(),
Self = self(),
Fun1 = fun() -> dist_dl(Node2, a, F1, Self) end,
Fun2 = fun() -> dist_dl(Node1, b, F2, Self) end,
P1 = spawn(Node1, Fun1),
P2 = spawn(Node2, Fun2),
receive {P1, a} -> ok end,
receive {P2, b} -> ok end,
?line stop_node(Node1),
?line stop_node(Node2),
?line file:delete(F1),
?line file:delete(F2),
ok.
dist_dl(Node, Name, File, Pid) ->
{[{Node,{ok,Log}}], []} =
disk_log:open([{name,Name},{file,File},{distributed,[Node]}]),
timer:sleep(50), % give the nodes chance to exchange pg2 information
ok = disk_log:close(Log),
Pid ! {self(), Name},
ok.
%% OTP-4480. Opening several logs simultaneously.
dist_open2(Conf) when is_list(Conf) ->
?line true = is_alive(),
?line {ok, _Pg2} = pg2:start(),
dist_open2_1(Conf, 0),
dist_open2_1(Conf, 100),
dist_open2_2(Conf, 0),
dist_open2_2(Conf, 100),
PrivDir = ?privdir(Conf),
Log = n,
%% Open a log three times (very fast). Two of the opening
%% processes will be put on hold (pending). The first one failes
%% to open the log. The second one succeeds, and the third one is
%% attached.
P0 = pps(),
?line File0 = "n.LOG",
?line File = filename:join(PrivDir, File0),
?line make_file(PrivDir, File0, 8),
Parent = self(),
F1 = fun() -> R = disk_log:open([{name, Log}, {file, File},
{type, halt}, {format,internal},
{distributed, [node()]}]),
Parent ! {self(), R}
end,
F2 = fun() -> R = disk_log:open([{name, Log}, {file, File},
{type, halt}, {format,external},
{distributed, [node()]}]),
Parent ! {self(), R},
timer:sleep(300)
end,
?line Pid1 = spawn(F1),
timer:sleep(10),
?line Pid2 = spawn(F2),
?line Pid3 = spawn(F2),
?line receive {Pid1,R1} -> {[],[_]} = R1 end,
?line receive {Pid2,R2} -> {[_],[]} = R2 end,
?line receive {Pid3,R3} -> {[_],[]} = R3 end,
timer:sleep(500),
?line file:delete(File),
?line true = (P0 == pps()),
%% This time the first process has a naughty head_func. This test
%% does not add very much. Perhaps it should be removed. However,
%% a head_func like this is why it's necessary to have an separate
%% process calling disk_log:internal_open: the server cannot wait
%% for the reply, but the call must be monitored, and this is what
%% is accomplished by having a proxy process.
F3 = fun() ->
R = disk_log:open([{name,Log},{file,File},
{format,internal},
{head_func,{?MODULE,head_exit,[]}},
{type,halt}, {linkto,none}]),
Parent ! {self(), R}
end,
F4 = fun() ->
R = disk_log:open([{name,Log},{file,File},
{format,internal},
{type,halt}]),
Parent ! {self(), R}
end,
?line Pid4 = spawn(F3),
timer:sleep(10),
?line Pid5 = spawn(F4),
?line Pid6 = spawn(F4),
%% The timing is crucial here.
?line R = case receive {Pid4,R4} -> R4 end of
{error, no_such_log} ->
?line R5 = receive {Pid5, R5a} -> R5a end,
?line R6 = receive {Pid6, R6a} -> R6a end,
case {R5, R6} of
{{repaired, _, _, _}, {ok, Log}} -> ok;
{{ok, Log}, {repaired, _, _, _}} -> ok;
_ -> test_server_fail({bad_replies, R5, R6})
end,
ok;
{ok, Log} -> % uninteresting case
?line receive {Pid5,_R5} -> ok end,
?line receive {Pid6,_R6} -> ok end,
{comment,
"Timing dependent test did not check anything."}
end,
timer:sleep(100),
?line {error, no_such_log} = disk_log:close(Log),
file:delete(File),
?line true = (P0 == pps()),
No = 2,
Log2 = n2,
File2 = filename:join(PrivDir, "b.LOG"),
file:delete(File2),
del(File, No),
%% If a client takes a long time when writing the header, other
%% processes should be able to attach to other log without having to
%% wait.
?line {ok,Log} =
disk_log:open([{name,Log},{file,File},{type,wrap},{size,{100,No}}]),
Pid = spawn(fun() ->
receive {HeadPid, start} -> ok end,
{ok,Log2} = disk_log:open([{name,Log2},{file,File2},
{type,halt}]),
HeadPid ! {self(), done}
end),
HeadFunc = {?MODULE, slow_header, [Pid]},
?line ok = disk_log:change_header(Log, {head_func, HeadFunc}),
?line ok = disk_log:inc_wrap_file(Log), % header is written
timer:sleep(100),
?line ok = disk_log:close(Log),
file:delete(File2),
del(File, No),
?line true = (P0 == pps()),
R.
dist_open2_1(Conf, Delay) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "n.LOG"),
Log = n,
A0 = [{name,Log},{file,File},{type,halt}],
?line create_opened_log(File, A0),
P0 = pps(),
Log2 = log2,
File2 = "log2.LOG",
?line file:delete(File2),
?line {ok,Log2} = disk_log:open([{name,Log2},{file,File2},{type,halt}]),
Parent = self(),
F = fun() ->
R = disk_log:open(A0),
timer:sleep(Delay),
Parent ! {self(), R}
end,
?line Pid1 = spawn(F),
timer:sleep(10),
?line Pid2 = spawn(F),
?line Pid3 = spawn(F),
?line {error, no_such_log} = disk_log:log(Log, term), % is repairing now
?line 0 = qlen(),
%% The file is already open, so this will not take long.
?line {ok,Log2} = disk_log:open([{name,Log2},{file,File2},{type,halt}]),
?line 0 = qlen(), % still repairing
?line ok = disk_log:close(Log2),
?line {error, no_such_log} = disk_log:close(Log2),
?line file:delete(File2),
?line receive {Pid1,R1} -> {repaired,_,_,_} = R1 end,
?line receive {Pid2,R2} -> {ok,_} = R2 end,
?line receive {Pid3,R3} -> {ok,_} = R3 end,
timer:sleep(500),
?line {error, no_such_log} = disk_log:info(Log),
file:delete(File),
?line true = (P0 == pps()),
ok.
dist_open2_2(Conf, Delay) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "n.LOG"),
Log = n,
?line PA = filename:dirname(code:which(?MODULE)),
?line {ok, Node1} = start_node(disk_log_node2, "-pa " ++ PA),
?line wait_for_ready_net(),
P0 = pps(),
A0 = [{name,Log},{file,File},{type,halt}],
?line create_opened_log(File, A0),
Log2 = log2,
File2 = "log2.LOG",
?line file:delete(File2),
?line {[{Node1,{ok,Log2}}],[]} =
disk_log:open([{name,Log2},{file,File2},{type,halt},
{distributed,[Node1]}]),
Parent = self(),
F = fun() ->
%% It would be nice to slow down the repair. head_func
%% cannot be used since it is not called when repairing.
R = disk_log:open([{distributed,[Node1]} | A0]),
timer:sleep(Delay),
Parent ! {self(), R}
end,
%% And {priority, ...} probably has no effect either.
?line Pid1 = spawn_opt(F, [{priority, low}]),
% timer:sleep(1), % no guarantee that Pid1 will return {repaired, ...}
?line Pid2 = spawn_opt(F, [{priority, low}]),
?line {error, no_such_log} =
disk_log:log(Log, term), % maybe repairing now
?line 0 = qlen(),
%% The file is already open, so this will not take long.
?line {[{Node1,{ok,Log2}}],[]} =
disk_log:open([{name,Log2},{file,File2},{type,halt},
{distributed,[Node1]}]),
?line 0 = qlen(), % probably still repairing
?line ok = disk_log:close(Log2),
?line file:delete(File2),
?line receive {Pid1,R1} -> R1 end,
?line receive {Pid2,R2} -> R2 end,
?line case {R1, R2} of
{{[{Node1,{repaired,_,_,_}}],[]},
{[{Node1,{ok,Log}}],[]}} -> ok;
{{[{Node1,{ok,Log}}],[]},
{[{Node1,{repaired,_,_,_}}],[]}} -> ok
end,
?line true = (P0 == pps()),
?line stop_node(Node1),
file:delete(File),
ok.
head_exit() ->
process_flag(trap_exit, false), % Don't do like this!
spawn_link(fun() -> exit(helfel) end),
{ok,"123"}.
slow_header(Pid) ->
Pid ! {self(), start},
receive {Pid, done} -> ok end,
{ok, <<>>}.
create_opened_log(File, Args) ->
Log = n,
file:delete(File),
{ok, Log} = disk_log:open(Args),
log_terms(Log, 400000),
ok = disk_log:close(Log),
mark(File, ?OPENED),
ok.
log_terms(_Log, 0) ->
ok;
log_terms(Log, N) when N > 100 ->
Terms = [{term,I} || I <- lists:seq(N-99, N)],
ok = disk_log:log_terms(Log, Terms),
log_terms(Log, N-100);
log_terms(Log, N) ->
ok = disk_log:log(Log, {term, N}),
log_terms(Log, N-1).
%% OTP-5810. Cope with pg2 groups that are not disk logs.
other_groups(Conf) when is_list(Conf) ->
?line true = is_alive(),
?line PrivDir = ?privdir(Conf),
?line File = filename:join(PrivDir, "n.LOG"),
?line file:delete(File),
?line {[],[]} = disk_log:accessible_logs(),
?line {[_],[]} = disk_log:open([{name, n}, {file, File}, {type, halt},
{distributed, [node()]}]),
?line {[],[n]} = disk_log:accessible_logs(),
Group = grupp,
?line pg2:create(Group),
?line ok = pg2:join(Group, self()),
?line {[],[n]} = disk_log:accessible_logs(),
?line [_] =
lists:filter(fun(P) -> disk_log:pid2name(P) =/= undefined end,
erlang:processes()),
?line pg2:delete(Group),
?line {[],[n]} = disk_log:accessible_logs(),
?line ok = disk_log:close(n),
?line {[],[]} = disk_log:accessible_logs(),
?line file:delete(File),
ok.
-define(MAX, 16384). % MAX in disk_log_1.erl
%% Evil cases such as closed file descriptor port.
evil(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "n.LOG"),
Log = n,
%% Not a very thorough test.
?line ok = setup_evil_filled_cache_wrap(Log, Dir),
?line {error, {file_error,_,einval}} = disk_log:log(Log, apa),
?line ok = disk_log:close(Log),
?line ok = setup_evil_filled_cache_halt(Log, Dir),
?line {error, {file_error,_,einval}} = disk_log:truncate(Log, apa),
?line ok = stop_evil(Log),
%% White box test.
file:delete(File),
?line Ports0 = erlang:ports(),
?line {ok, Log} = disk_log:open([{name,Log},{file,File},{type,halt},
{size,?MAX+50},{format,external}]),
?line [Fd] = erlang:ports() -- Ports0,
?line {B,_} = x_mk_bytes(30),
?line ok = disk_log:blog(Log, <<0:(?MAX+1)/unit:8>>),
?line exit(Fd, kill),
?line {error, {file_error,_,einval}} = disk_log:blog_terms(Log, [B,B]),
?line ok= disk_log:close(Log),
file:delete(File),
?line ok = setup_evil_wrap(Log, Dir),
?line {error, {file_error,_,einval}} = disk_log:close(Log),
?line ok = setup_evil_wrap(Log, Dir),
?line {error, {file_error,_,einval}} = disk_log:log(Log, apa),
?line ok = stop_evil(Log),
?line ok = setup_evil_halt(Log, Dir),
?line {error, {file_error,_,einval}} = disk_log:log(Log, apa),
?line ok = stop_evil(Log),
?line ok = setup_evil_wrap(Log, Dir),
?line {error, {file_error,_,einval}} = disk_log:reopen(Log, apa),
?line {error, {file_error,_,einval}} = disk_log:reopen(Log, apa),
?line ok = stop_evil(Log),
?line ok = setup_evil_wrap(Log, Dir),
?line {error, {file_error,_,einval}} = disk_log:reopen(Log, apa),
?line ok = stop_evil(Log),
?line ok = setup_evil_wrap(Log, Dir),
?line {error, {file_error,_,einval}} = disk_log:inc_wrap_file(Log),
?line ok = stop_evil(Log),
?line ok = setup_evil_wrap(Log, Dir),
?line {error, {file_error,_,einval}} = disk_log:chunk(Log, start),
?line ok = stop_evil(Log),
?line ok = setup_evil_wrap(Log, Dir),
?line {error, {file_error,_,einval}} = disk_log:truncate(Log),
?line ok = stop_evil(Log),
?line ok = setup_evil_wrap(Log, Dir),
?line {error, {file_error,_,einval}} = disk_log:chunk_step(Log, start, 1),
?line ok = stop_evil(Log),
io:format("messages: ~p~n", [erlang:process_info(self(), messages)]),
del(File, 2),
file:delete(File),
ok.
setup_evil_wrap(Log, Dir) ->
setup_evil(Log, [{type,wrap},{size,{100,2}}], Dir).
setup_evil_halt(Log, Dir) ->
setup_evil(Log, [{type,halt},{size,10000}], Dir).
setup_evil(Log, Args, Dir) ->
File = filename:join(Dir, lists:concat([Log, ".LOG"])),
file:delete(File),
del(File, 2),
ok = disk_log:start(),
Ports0 = erlang:ports(),
{ok, Log} = disk_log:open([{name,Log},{file,File} | Args]),
[Fd] = erlang:ports() -- Ports0,
exit(Fd, kill),
ok = disk_log:log_terms(n, [<<0:10/unit:8>>]),
timer:sleep(2500), % TIMEOUT in disk_log_1.erl is 2000
ok.
stop_evil(Log) ->
{error, _} = disk_log:close(Log),
ok.
setup_evil_filled_cache_wrap(Log, Dir) ->
setup_evil_filled_cache(Log, [{type,wrap},{size,{?MAX,2}}], Dir).
setup_evil_filled_cache_halt(Log, Dir) ->
setup_evil_filled_cache(Log, [{type,halt},{size,infinity}], Dir).
%% The cache is filled, and the file descriptor port gone.
setup_evil_filled_cache(Log, Args, Dir) ->
File = filename:join(Dir, lists:concat([Log, ".LOG"])),
file:delete(File),
del(File, 2),
ok = disk_log:start(),
Ports0 = erlang:ports(),
{ok, Log} = disk_log:open([{name,Log},{file,File} | Args]),
[Fd] = erlang:ports() -- Ports0,
ok = disk_log:log_terms(n, [<<0:?MAX/unit:8>>]),
exit(Fd, kill),
ok.
%% OTP-6278. open/1 creates no status or crash report.
otp_6278(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
File = filename:join(Dir, "no_such_dir/no_such_file"),
?line error_logger:add_report_handler(?MODULE, self()),
?line {error, {file_error, _, _}} =
disk_log:open([{name,n},{file,File}]),
receive
{crash_report,_Pid,Report} ->
?line io:format("Unexpected: ~p\n", [Report]),
ct:fail(failed)
after 1000 ->
ok
end,
?line error_logger:delete_report_handler(?MODULE).
%% OTP-10131. head_func type.
otp_10131(Conf) when is_list(Conf) ->
Dir = ?privdir(Conf),
Log = otp_10131,
File = filename:join(Dir, lists:concat([Log, ".LOG"])),
HeadFunc = {?MODULE, head_fun, [{ok,"head"}]},
{ok, Log} = disk_log:open([{name,Log},{file,File},
{head_func, HeadFunc}]),
HeadFunc = info(Log, head, undef),
HeadFunc2 = {?MODULE, head_fun, [{ok,"head2"}]},
ok = disk_log:change_header(Log, {head_func, HeadFunc2}),
HeadFunc2 = info(Log, head, undef),
ok = disk_log:close(Log),
ok.
mark(FileName, What) ->
{ok,Fd} = file:open(FileName, [raw, binary, read, write]),
{ok,_} = file:position(Fd, 4),
ok = file:write(Fd, What),
ok = file:close(Fd).
crash(File, Where) ->
{ok, Fd} = file:open(File, [read,write]),
file:position(Fd, Where),
ok = file:write(Fd, [10]),
ok = file:close(Fd).
unwritable(Fname) ->
{ok, Info} = file:read_file_info(Fname),
Mode = Info#file_info.mode - 8#00200,
file:write_file_info(Fname, Info#file_info{mode = Mode}).
writable(Fname) ->
{ok, Info} = file:read_file_info(Fname),
Mode = Info#file_info.mode bor 8#00200,
file:write_file_info(Fname, Info#file_info{mode = Mode}).
truncate(File, Where) ->
{ok, Fd} = file:open(File, [read,write]),
file:position(Fd, Where),
ok = file:truncate(Fd),
ok = file:close(Fd).
file_size(File) ->
{ok, F} = file:read_file_info(File),
F#file_info.size.
copy_wrap_log(FromName, N, FromDir, ToDir) ->
copy_wrap_log(FromName, FromName, N, FromDir, ToDir).
copy_wrap_log(FromName, ToName, N, FromDir, ToDir) ->
Fun = fun(E) ->
From = join(FromDir, io_lib:format("~s.~p", [FromName, E])),
To = join(ToDir, io_lib:format("~s.~p", [ToName, E])),
case file:read_file_info(From) of
{ok, _FileInfo} ->
copy_file(From, To);
_Else ->
ok
end
end,
Exts = [idx, siz | lists:seq(1, N)],
lists:foreach(Fun, Exts).
-define(BUFSIZE, 8192).
copy_file(Src, Dest) ->
% io:format("copying from ~p to ~p~n", [Src, Dest]),
{ok, InFd} = file:open(Src, [raw, binary, read]),
{ok, OutFd} = file:open(Dest, [raw, binary, write]),
ok = copy_file1(InFd, OutFd),
file:close(InFd),
file:close(OutFd),
ok = file:change_mode(Dest, 8#0666).
copy_file1(InFd, OutFd) ->
case file:read(InFd, ?BUFSIZE) of
{ok, Bin} ->
ok = file:write(OutFd, Bin),
copy_file1(InFd, OutFd);
eof ->
ok
end.
join(A, B) ->
filename:nativename(filename:join(A, B)).
add_ext(Name, Ext) ->
lists:concat([Name, ".", Ext]).
log(_Name, 0) ->
ok;
log(Name, N) ->
ok = disk_log:log(Name, "this is a logged message number " ++
integer_to_list(N)),
log(Name, N-1).
format_error(E) ->
lists:flatten(disk_log:format_error(E)).
pps() ->
timer:sleep(100),
{erlang:ports(), lists:filter(fun(P) -> erlang:is_process_alive(P) end,
processes())}.
qlen() ->
{_, {_, N}} = lists:keysearch(message_queue_len, 1, process_info(self())),
N.
owners(Log) ->
%% io:format("owners ~p~n", [info(Log, owners, -1)]),
info(Log, owners, -1).
users(Log) ->
%% io:format("users ~p~n", [info(Log, users, -1)]),
info(Log, users, -1).
status(Log) ->
%% io:format("status ~p~n", [info(Log, status, -1)]),
info(Log, status, -1).
distributed(Log) ->
%% io:format("distributed ~p~n", [info(Log, distributed, -1)]),
info(Log, distributed, -1).
no_items(Log) ->
%% io:format("no_items ~p~n", [info(Log, no_items, -1)]),
info(Log, no_items, -1).
no_written_items(Log) ->
%% io:format("no_written_items ~p~n", [info(Log, no_written_items, -1)]),
info(Log, no_written_items, -1).
sz(Log) ->
%% io:format("sz ~p~n", [info(Log, size, -1)]),
info(Log, size, -1).
curb(Log) ->
%% io:format("curb ~p~n", [info(Log, no_current_bytes, -1)]),
info(Log, no_current_bytes, -1).
curf(Log) ->
%% io:format("curf ~p~n", [info(Log, current_file, -1)]),
info(Log, current_file, -1).
cur_cnt(Log) ->
%% io:format("cur_cnt ~p~n", [info(Log, no_current_items, -1)]),
info(Log, no_current_items, -1).
no_overflows(Log) ->
%% io:format("no_overflows ~p~n", [info(Log, no_overflows, -1)]),
info(Log, no_overflows, -1).
info(Log, What, Undef) ->
case lists:keysearch(What, 1, disk_log:info(Log)) of
{value, {What, Value}} -> Value;
false -> Undef
end.
rec(0, _) ->
ok;
rec(N, Msg) ->
receive
Msg ->
rec(N-1, Msg)
after 100 ->
test_server_fail({no_msg, N, Msg})
end.
%% Copied from global_SUITE.erl.
-define(UNTIL(Seq), loop_until_true(fun() -> Seq end)).
loop_until_true(Fun) ->
case Fun() of
true ->
ok;
_ ->
timer:sleep(1000),
loop_until_true(Fun)
end.
wait_for_ready_net() ->
Nodes = lists:sort([node() | nodes()]),
?UNTIL(begin
lists:all(fun(N) -> Nodes =:= get_known(N) end, Nodes) and
lists:all(fun(N) ->
LNs = rpc:call(N, erlang, nodes, []),
Nodes =:= lists:sort([N | LNs])
end, Nodes)
end).
get_known(Node) ->
case catch gen_server:call({global_name_server,Node}, get_known) of
{'EXIT', _} ->
[list, without, nodenames];
Known ->
lists:sort([Node | Known])
end.
%% Copied from erl_distribution_SUITE.erl:
start_node(Name, Param) ->
?t:start_node(Name, slave, [{args, Param}]).
stop_node(Node) ->
?t:stop_node(Node).
%from(H, [H | T]) -> T;
%from(H, [_ | T]) -> from(H, T);
%from(_H, []) -> [].
%%-----------------------------------------------------------------
%% The error_logger handler used.
%% (Copied from stdlib/test/proc_lib_SUITE.erl.)
%%-----------------------------------------------------------------
init(Tester) ->
{ok, Tester}.
handle_event({error_report, _GL, {Pid, crash_report, Report}}, Tester) ->
Tester ! {crash_report, Pid, Report},
{ok, Tester};
handle_event(_Event, State) ->
{ok, State}.
handle_info(_, State) ->
{ok, State}.
handle_call(_Query, State) -> {ok, {error, bad_query}, State}.
terminate(_Reason, State) ->
State.
