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-rw-r--r--lib/appmon/src/appmon_dg.erl205
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diff --git a/lib/appmon/src/appmon_dg.erl b/lib/appmon/src/appmon_dg.erl
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--- a/lib/appmon/src/appmon_dg.erl
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-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1996-2009. 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%
-%%------------------------------------------------------------
-%%
-%% Digraph handling for process view GUI. Feeble attempt at data
-%% separation. Provides functional interface to the data structures
-%% vdata and edata, v for vertex and e for edge.
-%%
-%%------------------------------------------------------------
--module(appmon_dg).
-
--include("appmon_dg.hrl").
-
-%% Exports for vertices
--export([get/3, get/2, set/4, av/3, add/4, del/2, visited/3]).
-
-%% Exports for edges
--export([eget/2, eget/3, eset/4, eadd/4, edel/2, ae/3]).
-
-%% Exports for convenience
--export([print_dg/1]).
-
-
-%%------------------------------------------------------------
-
-
-eget(all, DG) ->
- digraph:edges(DG).
-
-eget(data, DG, E) ->
- case digraph:edge(DG, E) of
- {_, _V1, _V2, Data} -> Data;
- _Other -> false
- end;
-eget(edge, DG, {V1, V2}) ->
- case digraph:edge(DG, {V1, V2}) of
- {E, W1, W2, ED} -> {E, W1, W2, ED};
- Other ->
- case digraph:edge(DG, {V2, V1}) of
- {E, W1, W2, ED} -> {E, W1, W2, ED};
- Other -> false
- end
- end;
-
-%% Weight in edge name
-eget(edge, DG, {V1, V2, Weight}) ->
- case digraph:edge(DG, {V1, V2, Weight}) of
- {E, W1, W2, ED} -> {E, W1, W2, ED};
- _Other -> false
- end;
-eget(in, DG, V) ->
- efilter(digraph:in_edges(DG, V)).
-
-efilter(Es) ->
- lists:filter(fun({_V1, _V2, primary}) -> true;
- (_E) -> false end,
- Es).
-
-eset(ref, DG, E, Ref) ->
- {E2, _V1, _V2, D} = eget(edge, DG, E),
- update_e(DG, E2, D#edata{ref=Ref});
-eset(line, DG, E, Line) ->
- {E2, _V1, _V2, D} = eget(edge, DG, E),
- update_e(DG, E2, D#edata{line=Line}).
-
-edel(DG, E) ->
- digraph:del_edge(DG, E).
-
-eadd(DG, E, D, Ref) ->
- case eget(edge, DG, E) of
- {_, _, _, ED} when is_record(ED, edata), ED#edata.ref == Ref ->
- known;
- {_, _, _, ED} when is_record(ED, edata), ED#edata.ref /= Ref ->
- update_e(DG, E, ED#edata{ref=Ref}),
- updated;
- _Other ->
- ae(DG, E, D)
- end.
-
-ae(DG, {V1, V2, Weight}, D) ->
- digraph:add_edge(DG, {V1, V2, Weight}, V1, V2, D).
-
-update_e(DG, {V1, V2, Weight}, D) ->
- digraph:del_edge(DG, {V1, V2, Weight}),
- digraph:add_edge(DG, {V1, V2, Weight}, V1, V2, D).
-
-%% Filter destination vertex from a list of edges
-vfilter(Vs) ->
- lists:map(fun({_V1, V2, _Weight}) -> V2;
- ({_V1, V2}) -> V2
- end, Vs).
-
-get(all, DG) ->
- digraph:vertices(DG).
-
-get(data, DG, {V1, V2}) ->
- case digraph:edge(DG, {V1, V2}) of
- {_,_,_,Data} -> Data;
- _Other -> false
- end;
-get(data, DG, V) ->
- case digraph:vertex(DG, V) of
- {_,Data} -> Data;
- _Other -> false
- end;
-
-%% Return all children of vertex V (those which V has edges to)
-get(out, DG, V) ->
- vfilter(efilter(digraph:out_edges(DG, V)));
-get(in, DG, V) ->
- digraph:in_neighbours(DG, V);
-get(edges, DG, V) ->
- digraph:edges(DG, V);
-get(w, DG, V) ->
- Data = get(data, DG, V),
- Data#vdata.width;
-get(x, DG, V) ->
- Data = get(data, DG, V),
- Data#vdata.x.
-
-set(type, DG, V, Type) ->
- D = get(data, DG, V),
- av(DG, V, D#vdata{type=Type});
-
-set(ref, DG, V, Ref) ->
- D = get(data, DG, V),
- av(DG, V, D#vdata{ref=Ref});
-
-set(y, DG, V, Y) ->
- D = get(data, DG, V),
- av(DG, V, D#vdata{y=Y});
-
-set(data, DG, V, D) when is_record(D, vdata)->
- av(DG, V, D);
-
-set(x, DG, V, X) ->
- D = get(data, DG, V),
- if D#vdata.x /= X ->
- av(DG, V, D#vdata{x=X});
- true -> true
- end.
-
-visited(DG, {V1, V2}, Ref) -> % for edge
- D = eget(data, DG, {V1, V2}),
- if is_record(D, edata), D#edata.ref == Ref -> true;
- true -> false
- end;
-visited(DG, V, Ref) ->
- D = get(data, DG, V),
- if is_record(D, vdata), D#vdata.ref == Ref -> true;
- true -> false
- end.
-
-add(DG, V, D, Ref) ->
- case get(data, DG, V) of
- D2 when is_record(D2, vdata), D2#vdata.ref==Ref ->
- io:format("Ooops in ~p:add vertex~n", [?MODULE]),
- known;
- D2 when is_record(D2, vdata) ->
- %%io:format("~p touch vertex ~p~n", [self(), V]),
- set(ref, DG, V, Ref),
- set(type, DG, V, D#vdata.type),
- save_coords(DG, V),
- updated;
- _Other ->
- av(DG, V, D), added
- end.
-
-save_coords(DG, V) ->
- D = get(data, DG, V),
- D2 = D#vdata{origx=D#vdata.x, origy=D#vdata.y},
- av(DG, V, D2).
-
-del(DG, V) ->
- digraph:del_vertex(DG, V).
-
-
-av(DG, V, D) ->
- digraph:add_vertex(DG, V, D).
-
-print_dg(DG) ->
- io:format("Vertices:~n", []),
- lists:foreach(fun(V) -> io:format(" ~p ~p~n",
- [V, get(data, DG, V)]) end,
- get(all, DG)),
- io:format("Edges:~n", []),
- lists:foreach(fun(V) -> io:format(" ~p ~p~n",
- [V, eget(edge, DG, V)]) end,
- eget(all, DG)),
- true.
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