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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2011. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+-module(observer_sys_wx).
+
+-behaviour(wx_object).
+
+-export([start_link/2]).
+%% wx_object callbacks
+-export([init/1, handle_info/2, terminate/2, code_change/3, handle_call/3,
+ handle_event/2, handle_cast/2]).
+
+-export([sys_info/0]).
+
+-include_lib("wx/include/wx.hrl").
+-include("observer_defs.hrl").
+
+-define(ID_REFRESH, 101).
+-define(ID_REFRESH_INTERVAL, 102).
+
+%% Records
+-record(sys_wx_state,
+ {parent,
+ node,
+ parent_notebook,
+ panel, sizer,
+ menubar,
+ fields,
+ timer}).
+
+start_link(Notebook, Parent) ->
+ wx_object:start_link(?MODULE, [Notebook, Parent], []).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+init([Notebook, Parent]) ->
+ SysInfo = sys_info(),
+ {Info, Stat} = info_fields(),
+ Panel = wxPanel:new(Notebook),
+ Sizer = wxBoxSizer:new(?wxHORIZONTAL),
+ {FPanel0, _FSizer0, Fields0} =
+ observer_lib:display_info(Panel, observer_lib:fill_info(Info, SysInfo)),
+ {FPanel1, _FSizer1, Fields1} =
+ observer_lib:display_info(Panel, observer_lib:fill_info(Stat, SysInfo)),
+ wxSizer:add(Sizer, FPanel0, [{flag, ?wxEXPAND bor ?wxTOP bor ?wxBOTTOM bor ?wxLEFT},
+ {proportion, 1}, {border, 5}]),
+ wxSizer:add(Sizer, FPanel1, [{flag, ?wxEXPAND bor ?wxTOP bor ?wxBOTTOM bor ?wxRIGHT},
+ {proportion, 1}, {border, 5}]),
+ wxPanel:setSizer(Panel, Sizer),
+ Timer = observer_lib:start_timer(10),
+ {Panel, #sys_wx_state{parent=Parent,
+ parent_notebook=Notebook,
+ panel=Panel, sizer=Sizer,
+ timer=Timer, fields=Fields0 ++ Fields1}}.
+
+create_sys_menu(Parent) ->
+ View = {"View", [#create_menu{id = ?ID_REFRESH, text = "Refresh\tCtrl-R"},
+ #create_menu{id = ?ID_REFRESH_INTERVAL, text = "Refresh interval"}]},
+ observer_wx:create_menus(Parent, [View]).
+
+update_syspage(#sys_wx_state{node = Node, fields=Fields, sizer=Sizer}) ->
+ SysInfo = observer_wx:try_rpc(Node, ?MODULE, sys_info, []),
+ {Info, Stat} = info_fields(),
+ observer_lib:update_info(Fields, observer_lib:fill_info(Info, SysInfo) ++
+ observer_lib:fill_info(Stat, SysInfo)),
+ wxSizer:layout(Sizer).
+
+info_fields() ->
+ Info = [{"System and Architecture",
+ [{"System Version", otp_release},
+ {"Erts Version", version},
+ {"Compiled for", system_architecture},
+ {"Emulator Wordsize", wordsize_external},
+ {"Process Wordsize", wordsize_internal},
+ {"Smp Support", smp_support},
+ {"Thread Support", threads},
+ {"Async thread pool size", thread_pool_size}
+ ]},
+ {"CPU's and Threads",
+ [{"System Logical CPU's", logical_processors},
+ {"Erlang Logical CPU's", logical_processors_online},
+ {"Used Logical CPU's", logical_processors_available}
+ ]}
+ ],
+ Stat = [{"Memory Usage", right,
+ [{"Total", total},
+ {"Processes", processes},
+ {"Atoms", atom},
+ {"Binaries", binary},
+ {"Code", code},
+ {"Ets", ets}
+ ]},
+ {"Statistics", right,
+ [{"Up time", uptime},
+ {"Max Processes", process_limit},
+ {"Processes", process_count},
+ {"Run Queue", run_queue},
+ {"IO Input", io_input},
+ {"IO Output", io_output}
+ ]}
+ ],
+ {Info, Stat}.
+
+%%%%%%%%%%%%%%%%%%%%%%% Callbacks %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+handle_info(refresh_interval, #sys_wx_state{panel = Panel,
+ node = Node} = State) ->
+ try
+ update_syspage(State)
+ catch error:{badrpc, _} ->
+ observer_wx:return_to_localnode(Panel, Node)
+ end,
+ {noreply, State};
+
+handle_info({node, Node}, #sys_wx_state{panel = Panel} = State) ->
+ UpdState = State#sys_wx_state{node = Node},
+ try
+ update_syspage(UpdState),
+ {noreply, UpdState}
+ catch error:{badrpc, _} ->
+ observer_wx:return_to_localnode(Panel, Node),
+ {noreply, State}
+ end;
+
+handle_info({active, Node}, #sys_wx_state{parent = Parent, panel = Panel,
+ timer = Timer} = State) ->
+ UpdState = State#sys_wx_state{node = Node},
+ create_sys_menu(Parent),
+ try
+ update_syspage(UpdState),
+ {noreply, UpdState#sys_wx_state{timer=observer_lib:start_timer(Timer)}}
+ catch error:{badrpc, _} ->
+ observer_wx:return_to_localnode(Panel, Node),
+ {noreply, State}
+ end;
+
+
+handle_info(not_active, #sys_wx_state{timer = Timer} = State) ->
+ {noreply, State#sys_wx_state{timer = observer_lib:stop_timer(Timer)}};
+
+handle_info(Info, State) ->
+ io:format("~p:~p: Unhandled info: ~p~n", [?MODULE, ?LINE, Info]),
+ {noreply, State}.
+
+terminate(_Reason, _State) ->
+ ok.
+
+code_change(_, _, State) ->
+ {stop, not_yet_implemented, State}.
+
+handle_call(Msg, _From, State) ->
+ io:format("~p~p: Unhandled Call ~p~n",[?MODULE, ?LINE, Msg]),
+ {reply, ok, State}.
+
+handle_cast(Msg, State) ->
+ io:format("~p~p: Unhandled cast ~p~n",[?MODULE, ?LINE, Msg]),
+ {noreply, State}.
+
+handle_event(#wx{id = ?ID_REFRESH, event = #wxCommand{type = command_menu_selected}},
+ #sys_wx_state{node = Node, panel = Panel} = State) ->
+ try
+ update_syspage(State)
+ catch error:{badrpc, _} ->
+ observer_wx:return_to_localnode(Panel, Node)
+ end,
+ {noreply, State};
+
+handle_event(#wx{id = ?ID_REFRESH_INTERVAL,
+ event = #wxCommand{type = command_menu_selected}},
+ #sys_wx_state{timer = Timer0, parent_notebook = Notebook} = State) ->
+ Timer = observer_lib:interval_dialog(Notebook, Timer0, 1, 5*60),
+ {noreply, State#sys_wx_state{timer=Timer}};
+
+handle_event(Event, State) ->
+ io:format("~p:~p: Unhandled event ~p\n", [?MODULE,?LINE,Event]),
+ {noreply, State}.
+
+
+sys_info() ->
+ {{_,Input},{_,Output}} = erlang:statistics(io),
+ [{process_count, erlang:system_info(process_count)},
+ {process_limit, erlang:system_info(process_limit)},
+ {uptime, {time_ms, element(1, erlang:statistics(wall_clock))}},
+ {run_queue, erlang:statistics(run_queue)},
+ {io_input, {bytes, Input}},
+ {io_output, {bytes, Output}},
+ {logical_processors, erlang:system_info(logical_processors)},
+ {logical_processors_available, erlang:system_info(logical_processors_available)},
+ {logical_processors_online, erlang:system_info(logical_processors_online)},
+
+ {total, {bytes, erlang:memory(total)}},
+ %%{processes_used, erlang:memory(processes_used)},
+ {processes, {bytes, erlang:memory(processes)}},
+ %%{atom_used, erlang:memory(atom_used)},
+ {atom, {bytes, erlang:memory(atom)}},
+ {binary, {bytes, erlang:memory(binary)}},
+ {code, {bytes, erlang:memory(code)}},
+ {ets, {bytes, erlang:memory(ets)}},
+
+ {otp_release, erlang:system_info(otp_release)},
+ {version, erlang:system_info(version)},
+ {system_architecture, erlang:system_info(system_architecture)},
+ {kernel_poll, erlang:system_info(kernel_poll)},
+ {smp_support, erlang:system_info(smp_support)},
+ {threads, erlang:system_info(threads)},
+ {thread_pool_size, erlang:system_info(thread_pool_size)},
+ {wordsize_internal, erlang:system_info({wordsize, internal})},
+ {wordsize_external, erlang:system_info({wordsize, external})}
+ ].
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