From f2924fe206b37766cc137f8dbeca746a035abfdb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Mon, 16 May 2016 18:34:19 +0200 Subject: percept: Small code style refactoring --- lib/percept/src/percept.erl | 41 ++++++++++++++++------------------------ lib/percept/src/percept_db.erl | 32 ++++++++++--------------------- lib/percept/src/percept_html.erl | 28 ++++++++++++--------------- 3 files changed, 38 insertions(+), 63 deletions(-) (limited to 'lib') diff --git a/lib/percept/src/percept.erl b/lib/percept/src/percept.erl index 24ddf1bd14..d53be5f9e2 100644 --- a/lib/percept/src/percept.erl +++ b/lib/percept/src/percept.erl @@ -26,27 +26,24 @@ -module(percept). -behaviour(application). --export([ - profile/1, - profile/2, - profile/3, - stop_profile/0, - start_webserver/0, - start_webserver/1, - stop_webserver/0, - stop_webserver/1, - analyze/1, - % Application behaviour - start/2, - stop/1]). +-export([profile/1, + profile/2, + profile/3, + stop_profile/0, + start_webserver/0, + start_webserver/1, + stop_webserver/0, + stop_webserver/1, + analyze/1, + % Application behaviour + start/2, + stop/1]). -include("percept.hrl"). %%========================================================================== -%% -%% Type definitions -%% +%% Type definitions %%========================================================================== %% @type percept_option() = procs | ports | exclusive @@ -54,9 +51,7 @@ -type percept_option() :: 'procs' | 'ports' | 'exclusive' | 'scheduler'. %%========================================================================== -%% -%% Application callback functions -%% +%% Application callback functions %%========================================================================== %% @spec start(Type, Args) -> {started, Hostname, Port} | {error, Reason} @@ -76,9 +71,7 @@ stop(_State) -> stop_webserver(0). %%========================================================================== -%% -%% Interface functions -%% +%% Interface functions %%========================================================================== %% @spec profile(Filename::string()) -> {ok, Port} | {already_started, Port} @@ -217,9 +210,7 @@ stop_webserver(Port) -> do_stop(Port,[]). %%========================================================================== -%% -%% Auxiliary functions -%% +%% Auxiliary functions %%========================================================================== %% parse_and_insert diff --git a/lib/percept/src/percept_db.erl b/lib/percept/src/percept_db.erl index 6c2dddccac..7599a1cd74 100644 --- a/lib/percept/src/percept_db.erl +++ b/lib/percept/src/percept_db.erl @@ -24,21 +24,17 @@ -module(percept_db). --export([ - start/0, - stop/0, - insert/1, - select/2, - select/1, - consolidate/0 - ]). +-export([start/0, + stop/0, + insert/1, + select/2, + select/1, + consolidate/0]). -include("percept.hrl"). -define(STOP_TIMEOUT, 1000). %%========================================================================== -%% -%% Type definitions -%% +%% Type definitions %%========================================================================== %% @type activity_option() = @@ -64,9 +60,7 @@ %%========================================================================== -%% -%% Interface functions -%% +%% Interface functions %%========================================================================== %% @spec start() -> ok | {started, Pid} | {restarted, Pid} @@ -186,9 +180,7 @@ consolidate() -> ok. %%========================================================================== -%% -%% Database loop -%% +%% Database loop %%========================================================================== init_percept_db() -> @@ -232,9 +224,7 @@ loop_percept_db() -> end. %%========================================================================== -%% -%% Auxiliary functions -%% +%% Auxiliary functions %%========================================================================== %% cleans trace messages from external pids @@ -788,5 +778,3 @@ update_system_stop_ts(TS) -> Unhandled -> io:format("update_system_stop_ts, unhandled ~p ~n", [Unhandled]) end. - - diff --git a/lib/percept/src/percept_html.erl b/lib/percept/src/percept_html.erl index a8eb29b741..e0649e1451 100644 --- a/lib/percept/src/percept_html.erl +++ b/lib/percept/src/percept_html.erl @@ -18,22 +18,18 @@ %% %CopyrightEnd% -module(percept_html). --export([ - page/3, - codelocation_page/3, - databases_page/3, - load_database_page/3, - processes_page/3, - concurrency_page/3, - process_info_page/3 - ]). - --export([ - value2pid/1, - pid2value/1, - get_option_value/2, - join_strings_with/2 - ]). +-export([page/3, + codelocation_page/3, + databases_page/3, + load_database_page/3, + processes_page/3, + concurrency_page/3, + process_info_page/3]). + +-export([value2pid/1, + pid2value/1, + get_option_value/2, + join_strings_with/2]). -include("percept.hrl"). -include_lib("kernel/include/file.hrl"). -- cgit v1.2.3 From a4217eeeda0092b66970edda7b585eb4c4796700 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Mon, 16 May 2016 18:39:31 +0200 Subject: percept: Fix unmatched return warnings --- lib/percept/src/percept.erl | 11 ++++-- lib/percept/src/percept_db.erl | 22 ++++++------ lib/percept/src/percept_graph.erl | 20 +++++------ lib/percept/src/percept_html.erl | 74 +++++++++++++++++++-------------------- 4 files changed, 67 insertions(+), 60 deletions(-) (limited to 'lib') diff --git a/lib/percept/src/percept.erl b/lib/percept/src/percept.erl index d53be5f9e2..046e0b7518 100644 --- a/lib/percept/src/percept.erl +++ b/lib/percept/src/percept.erl @@ -151,11 +151,11 @@ start_webserver() -> {'started', string(), pos_integer()} | {'error', any()}. start_webserver(Port) when is_integer(Port) -> - application:load(percept), + ok = ensure_loaded(percept), case whereis(percept_httpd) of undefined -> {ok, Config} = get_webserver_config("percept", Port), - inets:start(), + ok = application:ensure_started(inets), case inets:start(httpd, Config) of {ok, Pid} -> AssignedPort = find_service_port_from_pid(inets:services_info(), Pid), @@ -328,3 +328,10 @@ get_webserver_config(Servername, Port) when is_list(Servername), is_integer(Port {bind_address, any}, {port, Port}], {ok, Config}. + +ensure_loaded(App) -> + case application:load(App) of + ok -> ok; + {error,{already_loaded,App}} -> ok; + Error -> Error + end. diff --git a/lib/percept/src/percept_db.erl b/lib/percept/src/percept_db.erl index 7599a1cd74..6cbe3ce022 100644 --- a/lib/percept/src/percept_db.erl +++ b/lib/percept/src/percept_db.erl @@ -94,7 +94,7 @@ restart(PerceptDB)-> -spec do_start()-> pid(). do_start()-> - Pid = spawn( fun() -> init_percept_db() end), + Pid = spawn(fun() -> init_percept_db() end), erlang:register(percept_db, Pid), Pid. @@ -117,17 +117,17 @@ stop() -> %% @private %% @doc Stops the percept database, with a synchronous call. --spec stop_sync(pid())-> true. +-spec stop_sync(pid()) -> true. -stop_sync(Pid)-> +stop_sync(Pid) -> MonitorRef = erlang:monitor(process, Pid), - stop(), + _ = stop(), receive {'DOWN', MonitorRef, _Type, Pid, _Info}-> true after ?STOP_TIMEOUT-> - erlang:demonitor(MonitorRef, [flush]), - exit(Pid, kill) + erlang:demonitor(MonitorRef, [flush]), + exit(Pid, kill) end. %% @spec insert(tuple()) -> ok @@ -185,19 +185,19 @@ consolidate() -> init_percept_db() -> % Proc and Port information - ets:new(pdb_info, [named_table, private, {keypos, #information.id}, set]), + pdb_info = ets:new(pdb_info, [named_table, private, {keypos, #information.id}, set]), % Scheduler runnability - ets:new(pdb_scheduler, [named_table, private, {keypos, #activity.timestamp}, ordered_set]), + pdb_scheduler = ets:new(pdb_scheduler, [named_table, private, {keypos, #activity.timestamp}, ordered_set]), % Process and Port runnability - ets:new(pdb_activity, [named_table, private, {keypos, #activity.timestamp}, ordered_set]), + pdb_activity = ets:new(pdb_activity, [named_table, private, {keypos, #activity.timestamp}, ordered_set]), % System status - ets:new(pdb_system, [named_table, private, {keypos, 1}, set]), + pdb_system = ets:new(pdb_system, [named_table, private, {keypos, 1}, set]), % System warnings - ets:new(pdb_warnings, [named_table, private, {keypos, 1}, ordered_set]), + pdb_warnings = ets:new(pdb_warnings, [named_table, private, {keypos, 1}, ordered_set]), put(debug, 0), loop_percept_db(). diff --git a/lib/percept/src/percept_graph.erl b/lib/percept/src/percept_graph.erl index 1803e035ab..e5bbaca2b4 100644 --- a/lib/percept/src/percept_graph.erl +++ b/lib/percept/src/percept_graph.erl @@ -33,28 +33,28 @@ %% graph(SessionID, Env, Input) -> - mod_esi:deliver(SessionID, header()), - mod_esi:deliver(SessionID, binary_to_list(graph(Env, Input))). + ok = mod_esi:deliver(SessionID, header()), + ok = mod_esi:deliver(SessionID, binary_to_list(graph(Env, Input))). %% activity %% @spec activity(SessionID, Env, Input) -> term() %% @doc An ESI callback implementation used by the httpd server. activity(SessionID, Env, Input) -> - mod_esi:deliver(SessionID, header()), - mod_esi:deliver(SessionID, binary_to_list(activity_bar(Env, Input))). + ok = mod_esi:deliver(SessionID, header()), + ok = mod_esi:deliver(SessionID, binary_to_list(activity_bar(Env, Input))). proc_lifetime(SessionID, Env, Input) -> - mod_esi:deliver(SessionID, header()), - mod_esi:deliver(SessionID, binary_to_list(proc_lifetime(Env, Input))). + ok = mod_esi:deliver(SessionID, header()), + ok = mod_esi:deliver(SessionID, binary_to_list(proc_lifetime(Env, Input))). percentage(SessionID, Env, Input) -> - mod_esi:deliver(SessionID, header()), - mod_esi:deliver(SessionID, binary_to_list(percentage(Env,Input))). + ok = mod_esi:deliver(SessionID, header()), + ok = mod_esi:deliver(SessionID, binary_to_list(percentage(Env,Input))). scheduler_graph(SessionID, Env, Input) -> - mod_esi:deliver(SessionID, header()), - mod_esi:deliver(SessionID, binary_to_list(scheduler_graph(Env, Input))). + ok = mod_esi:deliver(SessionID, header()), + ok = mod_esi:deliver(SessionID, binary_to_list(scheduler_graph(Env, Input))). graph(_Env, Input) -> Query = httpd:parse_query(Input), diff --git a/lib/percept/src/percept_html.erl b/lib/percept/src/percept_html.erl index e0649e1451..a675227584 100644 --- a/lib/percept/src/percept_html.erl +++ b/lib/percept/src/percept_html.erl @@ -38,47 +38,47 @@ %% API page(SessionID, Env, Input) -> - mod_esi:deliver(SessionID, header()), - mod_esi:deliver(SessionID, menu()), - mod_esi:deliver(SessionID, overview_content(Env, Input)), - mod_esi:deliver(SessionID, footer()). + ok = mod_esi:deliver(SessionID, header()), + ok = mod_esi:deliver(SessionID, menu()), + ok = mod_esi:deliver(SessionID, overview_content(Env, Input)), + ok = mod_esi:deliver(SessionID, footer()). processes_page(SessionID, _, _) -> - mod_esi:deliver(SessionID, header()), - mod_esi:deliver(SessionID, menu()), - mod_esi:deliver(SessionID, processes_content()), - mod_esi:deliver(SessionID, footer()). + ok = mod_esi:deliver(SessionID, header()), + ok = mod_esi:deliver(SessionID, menu()), + ok = mod_esi:deliver(SessionID, processes_content()), + ok = mod_esi:deliver(SessionID, footer()). concurrency_page(SessionID, Env, Input) -> - mod_esi:deliver(SessionID, header()), - mod_esi:deliver(SessionID, menu()), - mod_esi:deliver(SessionID, concurrency_content(Env, Input)), - mod_esi:deliver(SessionID, footer()). + ok = mod_esi:deliver(SessionID, header()), + ok = mod_esi:deliver(SessionID, menu()), + ok = mod_esi:deliver(SessionID, concurrency_content(Env, Input)), + ok = mod_esi:deliver(SessionID, footer()). databases_page(SessionID, _, _) -> - mod_esi:deliver(SessionID, header()), - mod_esi:deliver(SessionID, menu()), - mod_esi:deliver(SessionID, databases_content()), - mod_esi:deliver(SessionID, footer()). + ok = mod_esi:deliver(SessionID, header()), + ok = mod_esi:deliver(SessionID, menu()), + ok = mod_esi:deliver(SessionID, databases_content()), + ok = mod_esi:deliver(SessionID, footer()). codelocation_page(SessionID, Env, Input) -> - mod_esi:deliver(SessionID, header()), - mod_esi:deliver(SessionID, menu()), - mod_esi:deliver(SessionID, codelocation_content(Env, Input)), - mod_esi:deliver(SessionID, footer()). + ok = mod_esi:deliver(SessionID, header()), + ok = mod_esi:deliver(SessionID, menu()), + ok = mod_esi:deliver(SessionID, codelocation_content(Env, Input)), + ok = mod_esi:deliver(SessionID, footer()). process_info_page(SessionID, Env, Input) -> - mod_esi:deliver(SessionID, header()), - mod_esi:deliver(SessionID, menu()), - mod_esi:deliver(SessionID, process_info_content(Env, Input)), - mod_esi:deliver(SessionID, footer()). + ok = mod_esi:deliver(SessionID, header()), + ok = mod_esi:deliver(SessionID, menu()), + ok = mod_esi:deliver(SessionID, process_info_content(Env, Input)), + ok = mod_esi:deliver(SessionID, footer()). load_database_page(SessionID, Env, Input) -> - mod_esi:deliver(SessionID, header()), + ok = mod_esi:deliver(SessionID, header()), % Very dynamic page, handled differently load_database_content(SessionID, Env, Input), - mod_esi:deliver(SessionID, footer()). + ok = mod_esi:deliver(SessionID, footer()). %%% --------------------------- %%% @@ -442,24 +442,24 @@ load_database_content(SessionId, _Env, Input) -> Filename = filename:join(Path, File), % Check path/file/filename - mod_esi:deliver(SessionId, "
"), + ok = mod_esi:deliver(SessionId, "
"), case file:read_file_info(Filename) of {ok, _} -> Content = "
Parsing: " ++ Filename ++ "
", - mod_esi:deliver(SessionId, Content), - case percept:analyze(Filename) of - {error, Reason} -> - mod_esi:deliver(SessionId, error_msg("Analyze" ++ term2html(Reason))); - _ -> - Complete = "
View
", - mod_esi:deliver(SessionId, Complete) - end; + ok = mod_esi:deliver(SessionId, Content), + case percept:analyze(Filename) of + {error, Reason} -> + ok = mod_esi:deliver(SessionId, error_msg("Analyze" ++ term2html(Reason))); + _ -> + Complete = "
View
", + ok = mod_esi:deliver(SessionId, Complete) + end; {error, Reason} -> - mod_esi:deliver(SessionId, error_msg("File" ++ term2html(Reason))) + ok = mod_esi:deliver(SessionId, error_msg("File" ++ term2html(Reason))) end, - mod_esi:deliver(SessionId, "
"). + ok = mod_esi:deliver(SessionId, "
"). codelocation_content(_Env, Input) -> Query = httpd:parse_query(Input), -- cgit v1.2.3 From 4690966ae8cf72b0466e3c1bbe9911ca0ea9ea74 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Tue, 17 May 2016 14:13:30 +0200 Subject: egd: Small code style refactoring --- lib/percept/src/egd.erl | 8 ++------ lib/percept/src/egd.hrl | 3 +-- lib/percept/src/egd_font.erl | 8 ++------ lib/percept/src/egd_render.erl | 1 - 4 files changed, 5 insertions(+), 15 deletions(-) (limited to 'lib') diff --git a/lib/percept/src/egd.erl b/lib/percept/src/egd.erl index d57b7bb81d..b5160640af 100644 --- a/lib/percept/src/egd.erl +++ b/lib/percept/src/egd.erl @@ -37,9 +37,7 @@ -include("egd.hrl"). %%========================================================================== -%% -%% Type definitions -%% +%% Type definitions %%========================================================================== %% @type egd_image() @@ -54,9 +52,7 @@ -type color() :: {float(), float(), float(), float()}. %%========================================================================== -%% -%% Interface functions -%% +%% Interface functions %%========================================================================== %% @spec create(integer(), integer()) -> egd_image() diff --git a/lib/percept/src/egd.hrl b/lib/percept/src/egd.hrl index 1b125d3a08..fc0a7e10ee 100644 --- a/lib/percept/src/egd.hrl +++ b/lib/percept/src/egd.hrl @@ -41,6 +41,5 @@ -ifdef(debug). -define(dbg(X), io:format("DEBUG: ~p:~p~n",[?MODULE, X])). -else. --define(dbg(X), void). +-define(dbg(X), ok). -endif. - diff --git a/lib/percept/src/egd_font.erl b/lib/percept/src/egd_font.erl index 95203d5441..1dea63428f 100644 --- a/lib/percept/src/egd_font.erl +++ b/lib/percept/src/egd_font.erl @@ -51,9 +51,7 @@ %% %%========================================================================== -%% -%% Interface functions -%% +%% Interface functions %%========================================================================== size(Font) -> @@ -70,9 +68,7 @@ load(Filename) -> load_font_header(Font). %%========================================================================== -%% -%% Internal functions -%% +%% Internal functions %%========================================================================== %% ETS handler functions diff --git a/lib/percept/src/egd_render.erl b/lib/percept/src/egd_render.erl index c0075b8c42..6c708e3e86 100644 --- a/lib/percept/src/egd_render.erl +++ b/lib/percept/src/egd_render.erl @@ -662,4 +662,3 @@ eps_header(W,H) -> eps_footer() -> "%%EOF\n". - -- cgit v1.2.3 From bcf2da2389d1df99629ae524a4cc451bdf6224ae Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Tue, 17 May 2016 14:18:09 +0200 Subject: egd: Fix unmatched return warnings --- lib/percept/src/egd.erl | 38 ++++++++++++++------------------------ lib/percept/src/egd_font.erl | 3 ++- 2 files changed, 16 insertions(+), 25 deletions(-) (limited to 'lib') diff --git a/lib/percept/src/egd.erl b/lib/percept/src/egd.erl index b5160640af..fe52da71f1 100644 --- a/lib/percept/src/egd.erl +++ b/lib/percept/src/egd.erl @@ -70,8 +70,7 @@ create(Width,Height) -> -spec destroy(Image :: egd_image()) -> ok. destroy(Image) -> - cast(Image, destroy), - ok. + cast(Image, destroy). %% @spec render(egd_image()) -> binary() @@ -109,8 +108,7 @@ render(Image, Type, Options) -> %% mainly. information(Pid) -> - cast(Pid, information), - ok. + cast(Pid, information). %% @spec line(egd_image(), point(), point(), color()) -> ok %% @doc Creates a line object from P1 to P2 in the image. @@ -122,8 +120,7 @@ information(Pid) -> Color :: color()) -> 'ok'. line(Image, P1, P2, Color) -> - cast(Image, {line, P1, P2, Color}), - ok. + cast(Image, {line, P1, P2, Color}). %% @spec color( Value | Name ) -> color() %% where @@ -148,74 +145,67 @@ color(_Image, Color) -> %% @doc Creates a text object. text(Image, P, Font, Text, Color) -> - cast(Image, {text, P, Font, Text, Color}), - ok. + cast(Image, {text, P, Font, Text, Color}). %% @spec rectangle(egd_image(), point(), point(), color()) -> ok %% @doc Creates a rectangle object. rectangle(Image, P1, P2, Color) -> - cast(Image, {rectangle, P1, P2, Color}), - ok. + cast(Image, {rectangle, P1, P2, Color}). %% @spec filledRectangle(egd_image(), point(), point(), color()) -> ok %% @doc Creates a filled rectangle object. filledRectangle(Image, P1, P2, Color) -> - cast(Image, {filled_rectangle, P1, P2, Color}), - ok. + cast(Image, {filled_rectangle, P1, P2, Color}). %% @spec filledEllipse(egd_image(), point(), point(), color()) -> ok %% @doc Creates a filled ellipse object. filledEllipse(Image, P1, P2, Color) -> - cast(Image, {filled_ellipse, P1, P2, Color}), - ok. + cast(Image, {filled_ellipse, P1, P2, Color}). %% @spec filledTriangle(egd_image(), point(), point(), point(), color()) -> ok %% @hidden %% @doc Creates a filled triangle object. filledTriangle(Image, P1, P2, P3, Color) -> - cast(Image, {filled_triangle, P1, P2, P3, Color}), - ok. + cast(Image, {filled_triangle, P1, P2, P3, Color}). %% @spec polygon(egd_image(), [point()], color()) -> ok %% @hidden %% @doc Creates a filled filled polygon object. polygon(Image, Pts, Color) -> - cast(Image, {polygon, Pts, Color}), - ok. + cast(Image, {polygon, Pts, Color}). %% @spec arc(egd_image(), point(), point(), color()) -> ok %% @hidden %% @doc Creates an arc with radius of bbx corner. arc(Image, P1, P2, Color) -> - cast(Image, {arc, P1, P2, Color}), - ok. + cast(Image, {arc, P1, P2, Color}). %% @spec arc(egd_image(), point(), point(), integer(), color()) -> ok %% @hidden %% @doc Creates an arc. arc(Image, P1, P2, D, Color) -> - cast(Image, {arc, P1, P2, D, Color}), - ok. + cast(Image, {arc, P1, P2, D, Color}). %% @spec save(binary(), string()) -> ok %% @doc Saves the binary to file. save(Binary, Filename) when is_binary(Binary) -> - file:write_file(Filename, Binary), + ok = file:write_file(Filename, Binary), ok. % --------------------------------- % Aux functions % --------------------------------- cast(Pid, Command) -> - Pid ! {egd, self(), Command}. + Pid ! {egd, self(), Command}, + ok. call(Pid, Command) -> Pid ! {egd, self(), Command}, diff --git a/lib/percept/src/egd_font.erl b/lib/percept/src/egd_font.erl index 1dea63428f..ef1cc434df 100644 --- a/lib/percept/src/egd_font.erl +++ b/lib/percept/src/egd_font.erl @@ -74,7 +74,8 @@ load(Filename) -> %% ETS handler functions initialize_table() -> - ets:new(egd_font_table, [named_table, ordered_set, public]). + egd_font_table = ets:new(egd_font_table, [named_table, ordered_set, public]), + ok. glyph_insert(Font, Code, Translation, LSs) -> Element = {{Font, Code}, Translation, LSs}, -- cgit v1.2.3