aboutsummaryrefslogtreecommitdiffstats
path: root/lib/observer/src/observer_tv_wx.erl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/observer/src/observer_tv_wx.erl')
-rw-r--r--lib/observer/src/observer_tv_wx.erl362
1 files changed, 249 insertions, 113 deletions
diff --git a/lib/observer/src/observer_tv_wx.erl b/lib/observer/src/observer_tv_wx.erl
index bf2afee2a5..2e387f7e74 100644
--- a/lib/observer/src/observer_tv_wx.erl
+++ b/lib/observer/src/observer_tv_wx.erl
@@ -18,7 +18,7 @@
%% %CopyrightEnd%
-module(observer_tv_wx).
--export([start_link/2, display_table_info/4]).
+-export([start_link/3, display_table_info/4]).
%% wx_object callbacks
-export([init/1, handle_info/2, terminate/2, code_change/3, handle_call/3,
@@ -38,13 +38,13 @@
-define(ID_SYSTEM_TABLES, 406).
-define(ID_TABLE_INFO, 407).
-define(ID_SHOW_TABLE, 408).
-
--record(opt, {type=ets,
- sys_hidden=true,
- unread_hidden=true,
- sort_key=2,
- sort_incr=true
- }).
+
+-record(opts, {type=ets,
+ sys_hidden=true,
+ unread_hidden=true}).
+
+-record(sort, {sort_incr=true,
+ sort_key=2}).
-record(state,
{
@@ -52,20 +52,30 @@
grid,
panel,
node=node(),
- opt=#opt{},
+ opts=#opts{},
+ holder,
selected,
- tabs,
timer
}).
-start_link(Notebook, Parent) ->
- wx_object:start_link(?MODULE, [Notebook, Parent], []).
+start_link(Notebook, Parent, Config) ->
+ wx_object:start_link(?MODULE, [Notebook, Parent, Config], []).
-init([Notebook, Parent]) ->
+init([Notebook, Parent, Config]) ->
Panel = wxPanel:new(Notebook),
Sizer = wxBoxSizer:new(?wxVERTICAL),
- Style = ?wxLC_REPORT bor ?wxLC_SINGLE_SEL bor ?wxLC_HRULES,
- Grid = wxListCtrl:new(Panel, [{winid, ?GRID}, {style, Style}]),
+
+ Opts=#opts{type=maps:get(type, Config, ets),
+ sys_hidden=maps:get(sys_hidden, Config, true),
+ unread_hidden=maps:get(unread_hidden, Config, true)},
+
+ Style = ?wxLC_REPORT bor ?wxLC_VIRTUAL bor ?wxLC_SINGLE_SEL bor ?wxLC_HRULES,
+ Self = self(),
+ Attrs = observer_lib:create_attrs(),
+ Holder = spawn_link(fun() -> init_table_holder(Self, Attrs) end),
+ CBs = [{onGetItemText, fun(_, Item,Col) -> get_row(Holder, Item, Col) end},
+ {onGetItemAttr, fun(_, Item) -> get_attr(Holder, Item) end}],
+ Grid = wxListCtrl:new(Panel, [{winid, ?GRID}, {style, Style} | CBs]),
wxSizer:add(Sizer, Grid, [{flag, ?wxEXPAND bor ?wxALL},
{proportion, 1}, {border, 5}]),
wxWindow:setSizer(Panel, Sizer),
@@ -78,11 +88,11 @@ init([Notebook, Parent]) ->
Col + 1
end,
ListItems = [{"Table Name", ?wxLIST_FORMAT_LEFT, 200},
- {"Table Id", ?wxLIST_FORMAT_RIGHT, 100},
{"Objects", ?wxLIST_FORMAT_RIGHT, 100},
{"Size (kB)", ?wxLIST_FORMAT_RIGHT, 100},
{"Owner Pid", ?wxLIST_FORMAT_CENTER, 150},
- {"Owner Name", ?wxLIST_FORMAT_LEFT, 200}
+ {"Owner Name", ?wxLIST_FORMAT_LEFT, 200},
+ {"Table Id", ?wxLIST_FORMAT_LEFT, 250}
],
lists:foldl(AddListEntry, 0, ListItems),
wxListItem:destroy(Li),
@@ -94,33 +104,27 @@ init([Notebook, Parent]) ->
wxListCtrl:connect(Grid, size, [{skip, true}]),
wxWindow:setFocus(Grid),
- {Panel, #state{grid=Grid, parent=Parent, panel=Panel, timer={false, 10}}}.
+ {Panel, #state{grid=Grid, parent=Parent, panel=Panel,
+ opts=Opts, timer=Config, holder=Holder}}.
handle_event(#wx{id=?ID_REFRESH},
- State = #state{node=Node, grid=Grid, opt=Opt}) ->
- Tables = get_tables(Node, Opt),
- Tabs = update_grid(Grid, Opt, Tables),
- {noreply, State#state{tabs=Tabs}};
+ State = #state{holder=Holder, node=Node, opts=Opts}) ->
+ Tables = get_tables(Node, Opts),
+ Holder ! {refresh, Tables},
+ {noreply, State};
handle_event(#wx{event=#wxList{type=command_list_col_click, col=Col}},
- State = #state{node=Node, grid=Grid,
- opt=Opt0=#opt{sort_key=Key, sort_incr=Bool}}) ->
- Opt = case Col+2 of
- Key -> Opt0#opt{sort_incr=not Bool};
- NewKey -> Opt0#opt{sort_key=NewKey}
- end,
- Tables = get_tables(Node, Opt),
- Tabs = update_grid(Grid, Opt, Tables),
- wxWindow:setFocus(Grid),
- {noreply, State#state{opt=Opt, tabs=Tabs}};
+ State = #state{holder=Holder}) ->
+ Holder ! {sort, Col},
+ {noreply, State};
-handle_event(#wx{id=Id}, State = #state{node=Node, grid=Grid, opt=Opt0})
+handle_event(#wx{id=Id}, State = #state{node=Node, holder=Holder, grid=Grid, opts=Opt0})
when Id >= ?ID_ETS, Id =< ?ID_SYSTEM_TABLES ->
Opt = case Id of
- ?ID_ETS -> Opt0#opt{type=ets};
- ?ID_MNESIA -> Opt0#opt{type=mnesia};
- ?ID_UNREADABLE -> Opt0#opt{unread_hidden= not Opt0#opt.unread_hidden};
- ?ID_SYSTEM_TABLES -> Opt0#opt{sys_hidden= not Opt0#opt.sys_hidden}
+ ?ID_ETS -> Opt0#opts{type=ets};
+ ?ID_MNESIA -> Opt0#opts{type=mnesia};
+ ?ID_UNREADABLE -> Opt0#opts{unread_hidden= not Opt0#opts.unread_hidden};
+ ?ID_SYSTEM_TABLES -> Opt0#opts{sys_hidden= not Opt0#opts.sys_hidden}
end,
case get_tables2(Node, Opt) of
Error = {error, _} ->
@@ -129,9 +133,9 @@ handle_event(#wx{id=Id}, State = #state{node=Node, grid=Grid, opt=Opt0})
self() ! Error,
{noreply, State};
Tables ->
- Tabs = update_grid(Grid, Opt, Tables),
+ Holder ! {refresh, Tables},
wxWindow:setFocus(Grid),
- {noreply, State#state{opt=Opt, tabs=Tabs}}
+ {noreply, State#state{opts=Opt}}
end;
handle_event(#wx{event=#wxSize{size={W,_}}}, State=#state{grid=Grid}) ->
@@ -140,19 +144,18 @@ handle_event(#wx{event=#wxSize{size={W,_}}}, State=#state{grid=Grid}) ->
handle_event(#wx{event=#wxList{type=command_list_item_activated,
itemIndex=Index}},
- State=#state{grid=Grid, node=Node, opt=#opt{type=Type}, tabs=Tabs}) ->
- Table = lists:nth(Index+1, Tabs),
- case Table#tab.protection of
- private ->
- self() ! {error, "Table has 'private' protection and can not be read"};
- _ ->
- observer_tv_table:start_link(Grid, [{node,Node}, {type,Type}, {table,Table}])
+ State=#state{holder=Holder, node=Node, opts=#opts{type=Type}, grid=Grid}) ->
+ case get_table(Holder, Index) of
+ #tab{protection=private} ->
+ self() ! {error, "Table has 'private' protection and can not be read"};
+ #tab{}=Table ->
+ observer_tv_table:start_link(Grid, [{node,Node}, {type,Type}, {table,Table}]);
+ _ -> ignore
end,
{noreply, State};
handle_event(#wx{event=#wxList{type=command_list_item_right_click}},
State=#state{panel=Panel}) ->
-
Menu = wxMenu:new(),
wxMenu:append(Menu, ?ID_TABLE_INFO, "Table info"),
wxMenu:append(Menu, ?ID_SHOW_TABLE, "Show Table Content"),
@@ -161,32 +164,33 @@ handle_event(#wx{event=#wxList{type=command_list_item_right_click}},
{noreply, State};
handle_event(#wx{event=#wxList{type=command_list_item_selected, itemIndex=Index}},
- State) ->
+ State=#state{holder=Holder}) ->
+ Holder ! {selected, Index},
{noreply, State#state{selected=Index}};
handle_event(#wx{id=?ID_TABLE_INFO},
- State = #state{grid=Grid, node=Node, opt=#opt{type=Type}, tabs=Tabs, selected=Sel}) ->
+ State = #state{holder=Holder, grid=Grid, node=Node, opts=#opts{type=Type}, selected=Sel}) ->
case Sel of
undefined ->
{noreply, State};
R when is_integer(R) ->
- Table = lists:nth(Sel+1, Tabs),
+ Table = get_table(Holder, Sel),
display_table_info(Grid, Node, Type, Table),
{noreply, State}
end;
handle_event(#wx{id=?ID_SHOW_TABLE},
- State=#state{grid=Grid, node=Node, opt=#opt{type=Type}, tabs=Tabs, selected=Sel}) ->
+ State=#state{holder=Holder, grid=Grid, node=Node, opts=#opts{type=Type}, selected=Sel}) ->
case Sel of
undefined ->
{noreply, State};
R when is_integer(R) ->
- Table = lists:nth(Sel+1, Tabs),
- case Table#tab.protection of
- private ->
+ case get_table(Holder, R) of
+ #tab{protection=private} ->
self() ! {error, "Table has 'private' protection and can not be read"};
- _ ->
- observer_tv_table:start_link(Grid, [{node,Node}, {type,Type}, {table,Table}])
+ #tab{}=Table ->
+ observer_tv_table:start_link(Grid, [{node,Node}, {type,Type}, {table,Table}]);
+ _ -> ignore
end,
{noreply, State}
end;
@@ -196,61 +200,86 @@ handle_event(#wx{id=?ID_REFRESH_INTERVAL},
Timer = observer_lib:interval_dialog(Grid, Timer0, 10, 5*60),
{noreply, State#state{timer=Timer}};
-handle_event(Event, _State) ->
- error({unhandled_event, Event}).
+handle_event(_Event, State) ->
+ {noreply, State}.
handle_sync_event(_Event, _Obj, _State) ->
ok.
+handle_call(get_config, _, #state{timer=Timer, opts=Opt}=State) ->
+ #opts{type=Type, sys_hidden=Sys, unread_hidden=Unread} = Opt,
+ Conf0 = observer_lib:timer_config(Timer),
+ Conf = Conf0#{type=>Type, sys_hidden=>Sys, unread_hidden=>Unread},
+ {reply, Conf, State};
+
handle_call(Event, From, _State) ->
error({unhandled_call, Event, From}).
handle_cast(Event, _State) ->
error({unhandled_cast, Event}).
-handle_info(refresh_interval, State = #state{node=Node, grid=Grid, opt=Opt,
- tabs=OldTabs}) ->
- case get_tables(Node, Opt) of
- OldTabs ->
- %% no change
- {noreply, State};
- Tables ->
- Tabs = update_grid(Grid, Opt, Tables),
- {noreply, State#state{tabs=Tabs}}
- end;
+handle_info(refresh_interval, State = #state{holder=Holder, node=Node, opts=Opt}) ->
+ Tables = get_tables(Node, Opt),
+ Holder ! {refresh, Tables},
+ {noreply, State};
-handle_info({active, Node}, State = #state{parent=Parent, grid=Grid, opt=Opt0,
- timer=Timer0}) ->
- {Tables, Opt} = case Opt0#opt.type =:= mnesia andalso get_tables2(Node, Opt0) of
+handle_info({active, Node}, State = #state{parent=Parent, holder=Holder, grid=Grid,
+ opts=Opt0, timer=Timer0}) ->
+ {Tables, Opt} = case Opt0#opts.type =:= mnesia andalso get_tables2(Node, Opt0) of
Ts when is_list(Ts) ->
{Ts, Opt0};
_ -> % false or error getting mnesia tables
- Opt1 = Opt0#opt{type=ets},
+ Opt1 = Opt0#opts{type=ets},
{get_tables(Node, Opt1), Opt1}
end,
- Tabs = update_grid(Grid, Opt, Tables),
+ Holder ! {refresh, Tables},
wxWindow:setFocus(Grid),
create_menus(Parent, Opt),
- Timer = observer_lib:start_timer(Timer0),
- {noreply, State#state{node=Node, tabs=Tabs, timer=Timer, opt=Opt}};
+ Timer = observer_lib:start_timer(Timer0, 10),
+ {noreply, State#state{node=Node, timer=Timer, opts=Opt}};
handle_info(not_active, State = #state{timer = Timer0}) ->
Timer = observer_lib:stop_timer(Timer0),
{noreply, State#state{timer=Timer}};
-handle_info({error, Error}, #state{panel=Panel,opt=Opt}=State) ->
- Str = io_lib:format("ERROR: ~s~n",[Error]),
+handle_info({error, Error}, #state{panel=Panel,opts=Opt}=State) ->
+ Str = io_lib:format("ERROR: ~ts~n",[Error]),
observer_lib:display_info_dialog(Panel,Str),
- case Opt#opt.type of
+ case Opt#opts.type of
mnesia -> wxMenuBar:check(observer_wx:get_menubar(), ?ID_ETS, true);
_ -> ok
end,
- {noreply, State#state{opt=Opt#opt{type=ets}}};
+ {noreply, State#state{opts=Opt#opts{type=ets}}};
+
+handle_info({refresh, Min, Min}, State = #state{grid=Grid}) ->
+ wxListCtrl:setItemCount(Grid, Min+1),
+ wxListCtrl:refreshItem(Grid, Min), %% Avoid assert in wx below if Max is 0
+ observer_wx:set_status(io_lib:format("Tables: ~w", [Min+1])),
+ {noreply, State};
+handle_info({refresh, Min, Max}, State = #state{grid=Grid}) ->
+ wxListCtrl:setItemCount(Grid, Max+1),
+ Max > 0 andalso wxListCtrl:refreshItems(Grid, Min, Max),
+ observer_wx:set_status(io_lib:format("Tables: ~w", [Max+1])),
+ {noreply, State};
+
+handle_info({selected, New, Size}, #state{grid=Grid, selected=Old} = State) ->
+ if
+ is_integer(Old), Old < Size ->
+ wxListCtrl:setItemState(Grid, Old, 0, ?wxLIST_STATE_SELECTED);
+ true -> ignore
+ end,
+ if is_integer(New) ->
+ wxListCtrl:setItemState(Grid, New, 16#FFFF, ?wxLIST_STATE_SELECTED),
+ wxListCtrl:ensureVisible(Grid, New);
+ true -> ignore
+ end,
+ {noreply, State#state{selected=New}};
handle_info(_Event, State) ->
{noreply, State}.
-terminate(_Event, _State) ->
+terminate(_Event, #state{holder=Holder}) ->
+ Holder ! stop,
ok.
code_change(_, _, State) ->
@@ -258,7 +287,7 @@ code_change(_, _, State) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-create_menus(Parent, #opt{sys_hidden=Sys, unread_hidden=UnR, type=Type}) ->
+create_menus(Parent, #opts{sys_hidden=Sys, unread_hidden=UnR, type=Type}) ->
MenuEntries = [{"View",
[#create_menu{id = ?ID_TABLE_INFO, text = "Table information\tCtrl-I"},
separator,
@@ -285,7 +314,7 @@ get_tables(Node, Opts) ->
Res ->
Res
end.
-get_tables2(Node, #opt{type=Type, sys_hidden=Sys, unread_hidden=Unread}) ->
+get_tables2(Node, #opts{type=Type, sys_hidden=Sys, unread_hidden=Unread}) ->
Args = [Type, [{sys_hidden,Sys}, {unread_hidden,Unread}]],
case rpc:call(Node, observer_backend, get_table_list, Args) of
{badrpc, Error} ->
@@ -296,6 +325,13 @@ get_tables2(Node, #opt{type=Type, sys_hidden=Sys, unread_hidden=Unread}) ->
[list_to_tabrec(Tab) || Tab <- Result]
end.
+col2key(0) -> #tab.name;
+col2key(1) -> #tab.size;
+col2key(2) -> #tab.memory;
+col2key(3) -> #tab.owner;
+col2key(4) -> #tab.reg_name;
+col2key(5) -> #tab.id.
+
list_to_tabrec(PL) ->
#tab{name = proplists:get_value(name, PL),
id = proplists:get_value(id, PL, ignore),
@@ -366,34 +402,134 @@ list_to_strings([A]) -> integer_to_list(A);
list_to_strings([A|B]) ->
integer_to_list(A) ++ " ," ++ list_to_strings(B).
-update_grid(Grid, Opt, Tables) ->
- wx:batch(fun() -> update_grid2(Grid, Opt, Tables) end).
-update_grid2(Grid, #opt{sort_key=Sort,sort_incr=Dir}, Tables) ->
- wxListCtrl:deleteAllItems(Grid),
- Update =
- fun(#tab{name = Name, id = Id, owner = Owner, size = Size, memory = Memory,
- protection = Protection, reg_name = RegName}, Row) ->
- _Item = wxListCtrl:insertItem(Grid, Row, ""),
- if (Row rem 2) =:= 0 ->
- wxListCtrl:setItemBackgroundColour(Grid, Row, ?BG_EVEN);
- true -> ignore
- end,
- if Protection == private ->
- wxListCtrl:setItemTextColour(Grid, Row, {200,130,50});
- true -> ignore
- end,
-
- lists:foreach(fun({_, ignore}) -> ignore;
- ({Col, Val}) ->
- wxListCtrl:setItem(Grid, Row, Col, observer_lib:to_str(Val))
- end,
- [{0,Name}, {1,Id}, {2,Size}, {3, Memory div 1024},
- {4,Owner}, {5,RegName}]),
- Row + 1
- end,
- ProcInfo = case Dir of
- false -> lists:reverse(lists:keysort(Sort, Tables));
- true -> lists:keysort(Sort, Tables)
- end,
- lists:foldl(Update, 0, ProcInfo),
- ProcInfo.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Table holder needs to be in a separate process otherwise
+%% the callback get_row/3 may deadlock if the process do
+%% wx calls when callback is invoked.
+
+get_table(Table, Item) ->
+ get_row(Table, Item, all).
+
+get_row(Table, Item, Column) ->
+ Ref = erlang:monitor(process, Table),
+ Table ! {get_row, self(), Item, Column},
+ receive
+ {'DOWN', Ref, _, _, _} -> "";
+ {Table, Res} ->
+ erlang:demonitor(Ref),
+ Res
+ end.
+
+get_attr(Table, Item) ->
+ Ref = erlang:monitor(process, Table),
+ Table ! {get_attr, self(), Item},
+ receive
+ {'DOWN', Ref, _, _, _} -> wx:null();
+ {Table, Res} ->
+ erlang:demonitor(Ref),
+ Res
+ end.
+
+-record(holder, {node, parent, pid,
+ tabs=array:new(),
+ sort=#sort{},
+ attrs,
+ sel
+ }).
+
+init_table_holder(Parent, Attrs) ->
+ Parent ! refresh,
+ table_holder(#holder{node=node(), parent=Parent, attrs=Attrs}).
+
+table_holder(S0 = #holder{parent=Parent, tabs=Tabs0, sel=Sel0}) ->
+ receive
+ {get_attr, From, Row} ->
+ get_attr(From, Row, S0),
+ table_holder(S0);
+ {get_row, From, Row, Col} ->
+ get_row(From, Row, Col, Tabs0),
+ table_holder(S0);
+ {sort, Col} ->
+ STab = get_sel(Sel0, Tabs0),
+ Parent ! {refresh, 0, array:size(Tabs0)-1},
+ S1 = sort(col2key(Col), S0),
+ Sel = sel_idx(STab, S1#holder.tabs),
+ Parent ! {selected, Sel, array:size(Tabs0)},
+ table_holder(S1#holder{sel=Sel});
+ {refresh, Tabs1} ->
+ STab = get_sel(Sel0, Tabs0),
+ Tabs = case S0#holder.sort of
+ #sort{sort_incr=false, sort_key=Col} ->
+ array:from_list(lists:reverse(lists:keysort(Col, Tabs1)));
+ #sort{sort_key=Col} ->
+ array:from_list(lists:keysort(Col, Tabs1))
+ end,
+ Parent ! {refresh, 0, array:size(Tabs)-1},
+ Sel = sel_idx(STab, Tabs),
+ Parent ! {selected, Sel,array:size(Tabs)},
+ table_holder(S0#holder{tabs=Tabs, sel=Sel});
+ {selected, Sel} ->
+ table_holder(S0#holder{sel=Sel});
+ stop ->
+ ok;
+ What ->
+ io:format("Table holder got ~tp~n",[What]),
+ Parent ! {refresh, 0, array:size(Tabs0)-1},
+ table_holder(S0)
+ end.
+
+get_sel(undefined, _Tabs) ->
+ undefined;
+get_sel(Idx, Tabs) ->
+ array:get(Idx, Tabs).
+
+sel_idx(undefined, _Tabs) ->
+ undefined;
+sel_idx(Tab, Tabs) ->
+ Find = fun(Idx, C, Acc) -> C =:= Tab andalso throw({found, Idx}), Acc end,
+ try array:foldl(Find, undefined, Tabs)
+ catch {found, Idx} -> Idx
+ end.
+
+sort(Col, #holder{sort=#sort{sort_key=Col, sort_incr=Incr}=S, tabs=Table0}=H) ->
+ Table = lists:reverse(array:to_list(Table0)),
+ H#holder{sort=S#sort{sort_incr=(not Incr)},
+ tabs=array:from_list(Table)};
+sort(Col, #holder{sort=#sort{sort_incr=Incr}=S, tabs=Table0}=H) ->
+ Table = case Incr of
+ false -> lists:reverse(lists:keysort(Col, array:to_list(Table0)));
+ true -> lists:keysort(Col, array:to_list(Table0))
+ end,
+ H#holder{sort=S#sort{sort_key=Col},
+ tabs=array:from_list(Table)}.
+
+get_row(From, Row, Col, Table) ->
+ Object = array:get(Row, Table),
+ From ! {self(), get_col(Col, Object)}.
+
+get_col(all, Rec) ->
+ Rec;
+get_col(2, #tab{}=Rec) -> %% Memory in kB
+ observer_lib:to_str(element(#tab.memory, Rec) div 1024);
+get_col(Col, #tab{}=Rec) ->
+ case element(col2key(Col), Rec) of
+ ignore -> "";
+ Val -> observer_lib:to_str(Val)
+ end;
+get_col(_, _) ->
+ "".
+
+get_attr(From, Row, #holder{tabs=Tabs, attrs=Attrs}) ->
+ EvenOdd = case (Row rem 2) > 0 of
+ true -> Attrs#attrs.odd;
+ false -> Attrs#attrs.even
+ end,
+ What = try array:get(Row, Tabs) of
+ #tab{protection=private} ->
+ Attrs#attrs.deleted;
+ _ ->
+ EvenOdd
+ catch _ ->
+ EvenOdd
+ end,
+ From ! {self(), What}.
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 19:44:19 +0000