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-rw-r--r--lib/common_test/src/ct_logs.erl163
1 files changed, 112 insertions, 51 deletions
diff --git a/lib/common_test/src/ct_logs.erl b/lib/common_test/src/ct_logs.erl
index 19ad7b26d8..5f0626c0b0 100644
--- a/lib/common_test/src/ct_logs.erl
+++ b/lib/common_test/src/ct_logs.erl
@@ -38,7 +38,7 @@
-export([get_ts_html_wrapper/3]).
%% Logging stuff directly from testcase
--export([tc_log/3,tc_print/3,tc_pal/3,ct_log/3,
+-export([tc_log/3,tc_log_async/3,tc_print/3,tc_pal/3,ct_log/3,
basic_html/0]).
%% Simulate logger process for use without ct environment running
@@ -239,7 +239,7 @@ end_tc(TCPid) ->
%%% activity it is. <code>Format</code> and <code>Args</code> is the
%%% data to log (as in <code>io:format(Format,Args)</code>).</p>
log(Heading,Format,Args) ->
- cast({log,self(),group_leader(),
+ cast({log,sync,self(),group_leader(),
[{int_header(),[log_timestamp(now()),Heading]},
{Format,Args},
{int_footer(),[]}]}),
@@ -261,7 +261,7 @@ log(Heading,Format,Args) ->
%%% @see cont_log/2
%%% @see end_log/0
start_log(Heading) ->
- cast({log,self(),group_leader(),
+ cast({log,sync,self(),group_leader(),
[{int_header(),[log_timestamp(now()),Heading]}]}),
ok.
@@ -276,7 +276,7 @@ cont_log([],[]) ->
ok;
cont_log(Format,Args) ->
maybe_log_timestamp(),
- cast({log,self(),group_leader(),[{Format,Args}]}),
+ cast({log,sync,self(),group_leader(),[{Format,Args}]}),
ok.
%%%-----------------------------------------------------------------
@@ -287,7 +287,7 @@ cont_log(Format,Args) ->
%%% @see start_log/1
%%% @see cont_log/2
end_log() ->
- cast({log,self(),group_leader(),[{int_footer(), []}]}),
+ cast({log,sync,self(),group_leader(),[{int_footer(), []}]}),
ok.
@@ -333,9 +333,29 @@ add_link(Heading,File,Type) ->
%%% stuff directly from a testcase (i.e. not from within the CT
%%% framework).</p>
tc_log(Category,Format,Args) ->
- cast({log,self(),group_leader(),[{div_header(Category),[]},
- {Format,Args},
- {div_footer(),[]}]}),
+ cast({log,sync,self(),group_leader(),[{div_header(Category),[]},
+ {Format,Args},
+ {div_footer(),[]}]}),
+ ok.
+
+
+%%%-----------------------------------------------------------------
+%%% @spec tc_log_async(Category,Format,Args) -> ok
+%%% Category = atom()
+%%% Format = string()
+%%% Args = list()
+%%%
+%%% @doc Internal use only.
+%%%
+%%% <p>This function is used to perform asynchronous printouts
+%%% towards the test server IO handler. This is necessary in order
+%%% to avoid deadlocks when e.g. the hook that handles SASL printouts
+%%% prints to the test case log file at the same time test server
+%%% asks ct_logs for an html wrapper.</p>
+tc_log_async(Category,Format,Args) ->
+ cast({log,async,self(),group_leader(),[{div_header(Category),[]},
+ {Format,Args},
+ {div_footer(),[]}]}),
ok.
%%%-----------------------------------------------------------------
@@ -377,9 +397,9 @@ print_heading(Category) ->
%%% log and on the console.</p>
tc_pal(Category,Format,Args) ->
tc_print(Category,Format,Args),
- cast({log,self(),group_leader(),[{div_header(Category),[]},
- {Format,Args},
- {div_footer(),[]}]}),
+ cast({log,sync,self(),group_leader(),[{div_header(Category),[]},
+ {Format,Args},
+ {div_footer(),[]}]}),
ok.
@@ -420,7 +440,7 @@ maybe_log_timestamp() ->
{MS,S,_} ->
ok;
_ ->
- cast({log,self(),group_leader(),
+ cast({log,sync,self(),group_leader(),
[{"<i>~s</i>",[log_timestamp({MS,S,US})]}]})
end.
@@ -441,7 +461,8 @@ log_timestamp({MS,S,US}) ->
orig_GL,
ct_log_fd,
tc_groupleaders,
- stylesheet}).
+ stylesheet,
+ async_print_jobs}).
logger(Parent,Mode) ->
register(?MODULE,self()),
@@ -520,50 +541,32 @@ logger(Parent,Mode) ->
start_time=Time,
orig_GL=group_leader(),
ct_log_fd=CtLogFd,
- tc_groupleaders=[]}).
+ tc_groupleaders=[],
+ async_print_jobs=[]}).
logger_loop(State) ->
receive
- {log,Pid,GL,List} ->
- case get_groupleader(Pid,GL,State) of
+ {log,SyncOrAsync,Pid,GL,List} ->
+ case get_groupleader(Pid, GL, State) of
{tc_log,TCGL,TCGLs} ->
case erlang:is_process_alive(TCGL) of
true ->
- %% 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
- Fun =
- fun({Str,Args},IoList) ->
- case catch io_lib:format(Str,Args) of
- {'EXIT',_Reason} ->
- Fd = State#logger_state.ct_log_fd,
- io:format(Fd,
- "Logging fails! "
- "Str: ~p, Args: ~p~n",
- [Str,Args]),
- %% stop the testcase, we need
- %% to see the fault
- exit(Pid,{log_printout_error,Str,Args}),
- [];
- IoStr when IoList == [] ->
- [IoStr];
- IoStr ->
- [IoList,"\n",IoStr]
- end
- end,
- io:format(TCGL,"~s",[lists:foldl(Fun,[],List)]),
- logger_loop(State#logger_state{tc_groupleaders=TCGLs});
+ State1 = print_to_log(SyncOrAsync, Pid, TCGL,
+ List, State),
+ logger_loop(State1#logger_state{tc_groupleaders =
+ TCGLs});
false ->
- %% Group leader is dead, so write to the CtLog instead
+ %% Group leader is dead, so write to the
+ %% CtLog instead
Fd = State#logger_state.ct_log_fd,
[begin io:format(Fd,Str,Args),io:nl(Fd) end ||
{Str,Args} <- List],
logger_loop(State)
end;
{ct_log,Fd,TCGLs} ->
- [begin io:format(Fd,Str,Args),io:nl(Fd) end || {Str,Args} <- List],
- logger_loop(State#logger_state{tc_groupleaders=TCGLs})
+ [begin io:format(Fd,Str,Args),io:nl(Fd) end ||
+ {Str,Args} <- List],
+ logger_loop(State#logger_state{tc_groupleaders = TCGLs})
end;
{{init_tc,TCPid,GL,RefreshLog},From} ->
print_style(GL, State#logger_state.stylesheet),
@@ -575,11 +578,12 @@ logger_loop(State) ->
make_last_run_index(State#logger_state.start_time)
end,
return(From,ok),
- logger_loop(State#logger_state{tc_groupleaders=TCGLs});
+ logger_loop(State#logger_state{tc_groupleaders = TCGLs});
{{end_tc,TCPid},From} ->
set_evmgr_gl(State#logger_state.ct_log_fd),
return(From,ok),
- logger_loop(State#logger_state{tc_groupleaders=rm_tc_gl(TCPid,State)});
+ logger_loop(State#logger_state{tc_groupleaders =
+ rm_tc_gl(TCPid,State)});
{{get_log_dir,true},From} ->
return(From,{ok,State#logger_state.log_dir}),
logger_loop(State);
@@ -590,21 +594,35 @@ logger_loop(State) ->
make_last_run_index(State#logger_state.start_time),
return(From,filename:basename(State#logger_state.log_dir)),
logger_loop(State);
- {set_stylesheet,_,SSFile} when State#logger_state.stylesheet == SSFile ->
+ {set_stylesheet,_,SSFile} when State#logger_state.stylesheet ==
+ SSFile ->
logger_loop(State);
{set_stylesheet,TC,SSFile} ->
Fd = State#logger_state.ct_log_fd,
- io:format(Fd, "~p loading external style sheet: ~s~n", [TC,SSFile]),
- logger_loop(State#logger_state{stylesheet=SSFile});
+ io:format(Fd, "~p loading external style sheet: ~s~n",
+ [TC,SSFile]),
+ logger_loop(State#logger_state{stylesheet = SSFile});
{clear_stylesheet,_} when State#logger_state.stylesheet == undefined ->
logger_loop(State);
{clear_stylesheet,_} ->
- logger_loop(State#logger_state{stylesheet=undefined});
+ logger_loop(State#logger_state{stylesheet = undefined});
{ct_log, List} ->
Fd = State#logger_state.ct_log_fd,
[begin io:format(Fd,Str,Args),io:nl(Fd) end ||
{Str,Args} <- List],
logger_loop(State);
+ {'DOWN',Ref,_,_Pid,_} ->
+ %% there might be print jobs executing in parallel with ct_logs
+ %% and whenever one is finished (indicated by 'DOWN'), the
+ %% next job should be spawned
+ case lists:delete(Ref, State#logger_state.async_print_jobs) of
+ [] ->
+ logger_loop(State#logger_state{async_print_jobs = []});
+ Jobs ->
+ [Next|JobsRev] = lists:reverse(Jobs),
+ Jobs1 = [print_next(Next)|lists:reverse(JobsRev)],
+ logger_loop(State#logger_state{async_print_jobs = Jobs1})
+ end;
stop ->
io:format(State#logger_state.ct_log_fd,
int_header()++int_footer(),
@@ -613,6 +631,49 @@ logger_loop(State) ->
ok
end.
+create_io_fun(FromPid, State) ->
+ %% 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",
+ [Str,Args]),
+ %% stop the testcase, we need to see the fault
+ exit(FromPid, {log_printout_error,Str,Args}),
+ [];
+ IoStr when IoList == [] ->
+ [IoStr];
+ IoStr ->
+ [IoList,"\n",IoStr]
+ end
+ end.
+
+print_to_log(sync, FromPid, TCGL, List, State) ->
+ IoFun = create_io_fun(FromPid, State),
+ io:format(TCGL, "~s", [lists:foldl(IoFun, [], List)]),
+ State;
+
+print_to_log(async, FromPid, TCGL, List, State) ->
+ IoFun = create_io_fun(FromPid, State),
+ Printer = fun() ->
+ io:format(TCGL, "~s", [lists:foldl(IoFun, [], List)])
+ end,
+ case State#logger_state.async_print_jobs of
+ [] ->
+ {_Pid,Ref} = spawn_monitor(Printer),
+ State#logger_state{async_print_jobs = [Ref]};
+ Queue ->
+ State#logger_state{async_print_jobs = [Printer|Queue]}
+ end.
+
+print_next(PrintFun) ->
+ {_Pid,Ref} = spawn_monitor(PrintFun),
+ Ref.
+
%% #logger_state.tc_groupleaders == [{Pid,{Type,GLPid}},...]
%% Type = tc | io
%%
@@ -1894,7 +1955,7 @@ simulate() ->
simulate_logger_loop() ->
receive
- {log,_,_,List} ->
+ {log,_,_,_,List} ->
S = [[io_lib:format(Str,Args),io_lib:nl()] || {Str,Args} <- List],
io:format("~s",[S]),
simulate_logger_loop();
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 03:28:50 +0000