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-rw-r--r--lib/common_test/src/ct_logs.erl67
1 files changed, 49 insertions, 18 deletions
diff --git a/lib/common_test/src/ct_logs.erl b/lib/common_test/src/ct_logs.erl
index 43eabb18d5..7037cdca73 100644
--- a/lib/common_test/src/ct_logs.erl
+++ b/lib/common_test/src/ct_logs.erl
@@ -129,7 +129,13 @@ datestr_from_dirname([]) ->
close(Info, StartDir) ->
%% close executes on the ct_util process, not on the logger process
%% so we need to use a local copy of the log cache data
- LogCacheBin = make_last_run_index(),
+ LogCacheBin =
+ case make_last_run_index() of
+ {error,_} -> % log server not responding
+ undefined;
+ LCB ->
+ LCB
+ end,
put(ct_log_cache,LogCacheBin),
Cache2File = fun() ->
case get(ct_log_cache) of
@@ -710,6 +716,7 @@ logger_loop(State) ->
end
end,
if Importance >= (100-VLvl) ->
+ CtLogFd = State#logger_state.ct_log_fd,
case get_groupleader(Pid, GL, State) of
{tc_log,TCGL,TCGLs} ->
case erlang:is_process_alive(TCGL) of
@@ -723,14 +730,15 @@ logger_loop(State) ->
%% Group leader is dead, so write to the
%% CtLog or unexpected_io log instead
unexpected_io(Pid,Category,Importance,
- List,State),
+ List,CtLogFd),
+
logger_loop(State)
end;
{ct_log,_Fd,TCGLs} ->
%% If category is ct_internal then write
%% to ct_log, else write to unexpected_io
%% log
- unexpected_io(Pid,Category,Importance,List,State),
+ unexpected_io(Pid,Category,Importance,List,CtLogFd),
logger_loop(State#logger_state{
tc_groupleaders = TCGLs})
end;
@@ -803,16 +811,15 @@ logger_loop(State) ->
ok
end.
-create_io_fun(FromPid, State) ->
+create_io_fun(FromPid, CtLogFd) ->
%% we have to build one io-list of all strings
%% before printing, or other io printouts (made in
%% parallel) may get printed between this header
%% and footer
- Fd = State#logger_state.ct_log_fd,
fun({Str,Args}, IoList) ->
case catch io_lib:format(Str,Args) of
{'EXIT',_Reason} ->
- io:format(Fd, "Logging fails! Str: ~p, Args: ~p~n",
+ io:format(CtLogFd, "Logging fails! Str: ~p, Args: ~p~n",
[Str,Args]),
%% stop the testcase, we need to see the fault
exit(FromPid, {log_printout_error,Str,Args}),
@@ -827,28 +834,53 @@ create_io_fun(FromPid, State) ->
print_to_log(sync, FromPid, Category, TCGL, List, State) ->
%% in some situations (exceptions), the printout is made from the
%% test server IO process and there's no valid group leader to send to
+ CtLogFd = State#logger_state.ct_log_fd,
if FromPid /= TCGL ->
- IoFun = create_io_fun(FromPid, State),
+ IoFun = create_io_fun(FromPid, CtLogFd),
io:format(TCGL,"~ts", [lists:foldl(IoFun, [], List)]);
true ->
- unexpected_io(FromPid,Category,?MAX_IMPORTANCE,List,State)
+ unexpected_io(FromPid,Category,?MAX_IMPORTANCE,List,CtLogFd)
end,
State;
print_to_log(async, FromPid, Category, TCGL, List, State) ->
%% in some situations (exceptions), the printout is made from the
%% test server IO process and there's no valid group leader to send to
+ CtLogFd = State#logger_state.ct_log_fd,
Printer =
if FromPid /= TCGL ->
- IoFun = create_io_fun(FromPid, State),
+ IoFun = create_io_fun(FromPid, CtLogFd),
fun() ->
test_server:permit_io(TCGL, self()),
- io:format(TCGL, "~ts", [lists:foldl(IoFun, [], List)])
+
+ %% Since asynchronous io gets can get buffered if
+ %% the file system is slow, there is also a risk that
+ %% the group leader has terminated before we get to
+ %% the io:format(GL, ...) call. We check this and
+ %% print "expired" messages to the unexpected io
+ %% log instead (best we can do).
+
+ case erlang:is_process_alive(TCGL) of
+ true ->
+ try io:format(TCGL, "~ts",
+ [lists:foldl(IoFun,[],List)]) of
+ _ -> ok
+ catch
+ _:terminated ->
+ unexpected_io(FromPid, Category,
+ ?MAX_IMPORTANCE,
+ List, CtLogFd)
+ end;
+ false ->
+ unexpected_io(FromPid, Category,
+ ?MAX_IMPORTANCE,
+ List, CtLogFd)
+ end
end;
true ->
fun() ->
- unexpected_io(FromPid,Category,?MAX_IMPORTANCE,
- List,State)
+ unexpected_io(FromPid, Category, ?MAX_IMPORTANCE,
+ List, CtLogFd)
end
end,
case State#logger_state.async_print_jobs of
@@ -3149,12 +3181,11 @@ html_encoding(latin1) ->
html_encoding(utf8) ->
"utf-8".
-unexpected_io(Pid,ct_internal,_Importance,List,State) ->
- IoFun = create_io_fun(Pid,State),
- io:format(State#logger_state.ct_log_fd, "~ts",
- [lists:foldl(IoFun, [], List)]);
-unexpected_io(Pid,_Category,_Importance,List,State) ->
- IoFun = create_io_fun(Pid,State),
+unexpected_io(Pid,ct_internal,_Importance,List,CtLogFd) ->
+ IoFun = create_io_fun(Pid,CtLogFd),
+ io:format(CtLogFd, "~ts", [lists:foldl(IoFun, [], List)]);
+unexpected_io(Pid,_Category,_Importance,List,CtLogFd) ->
+ IoFun = create_io_fun(Pid,CtLogFd),
Data = io_lib:format("~ts", [lists:foldl(IoFun, [], List)]),
test_server_io:print_unexpected(Data),
ok.