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authorErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
committerErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
commit84adefa331c4159d432d22840663c38f155cd4c1 (patch)
treebff9a9c66adda4df2106dfd0e5c053ab182a12bd /lib/webtool/src/webtool.erl
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The R13B03 release.OTP_R13B03
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diff --git a/lib/webtool/src/webtool.erl b/lib/webtool/src/webtool.erl
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2001-2009. 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%
+%%
+-module(webtool).
+-behaviour(gen_server).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% %%
+%% The general idea is: %%
+%% %%
+%% %%
+%% 1. Scan through the path for *.tool files and find all the web %%
+%% based tools. Query each tool for configuration data. %%
+%% 2. Add Alias for Erlscript and html for each tool to %%
+%% the webserver configuration data. %%
+%% 3. Start the webserver. %%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%% API functions
+-export([start/0, start/2, stop/0]).
+
+%% Starting Webtool from a shell script
+-export([script_start/0, script_start/1]).
+
+%% Web api
+-export([started_tools/2, toolbar/2, start_tools/2, stop_tools/2]).
+
+%% API against other tools
+-export([is_localhost/0]).
+
+%% Debug export s
+-export([get_tools1/1]).
+-export([debug/1, stop_debug/0, debug_app/1]).
+
+%% gen_server callbacks
+-export([init/1, handle_call/3, handle_cast/2, handle_info/2,
+ terminate/2, code_change/3]).
+
+-include_lib("kernel/include/file.hrl").
+-include_lib("stdlib/include/ms_transform.hrl").
+
+-record(state,{priv_dir,app_data,supvis,web_data,started=[]}).
+
+-define(MAX_NUMBER_OF_WEBTOOLS,256).
+-define(DEFAULT_PORT,8888).% must be >1024 or the user must be root on unix
+-define(DEFAULT_ADDR,{127,0,0,1}).
+
+-define(WEBTOOL_ALIAS,{webtool,[{alias,{erl_alias,"/webtool",[webtool]}}]}).
+-define(HEADER,"Pragma:no-cache\r\n Content-type: text/html\r\n\r\n").
+-define(HTML_HEADER,"<HTML>\r\n<HEAD>\r\n<TITLE>WebTool</TITLE>\r\n</HEAD>\r\n<BODY BGCOLOR=\"#FFFFFF\">\r\n").
+-define(HTML_HEADER_RELOAD,"<HTML>\r\n<HEAD>\r\n<TITLE>WebTool
+ </TITLE>\r\n</HEAD>\r\n
+ <BODY BGCOLOR=\"#FFFFFF\" onLoad=reloadCompiledList()>\r\n").
+
+-define(HTML_END,"</BODY></HTML>").
+
+-define(SEND_URL_TIMEOUT,5000).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% %%
+%% For debugging only. %%
+%% %%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Start tracing with
+%% debug(Functions).
+%% Functions = local | global | FunctionList
+%% FunctionList = [Function]
+%% Function = {FunctionName,Arity} | FunctionName |
+%% {Module, FunctionName, Arity} | {Module,FunctionName}
+debug(F) ->
+ ttb:tracer(all,[{file,"webtool.trc"}]), % tracing all nodes
+ ttb:p(all,[call,timestamp]),
+ MS = [{'_',[],[{return_trace},{message,{caller}}]}],
+ tp(F,MS),
+ ttb:ctp(?MODULE,stop_debug), % don't want tracing of the stop_debug func
+ ok.
+tp(local,MS) -> % all functions
+ ttb:tpl(?MODULE,MS);
+tp(global,MS) -> % all exported functions
+ ttb:tp(?MODULE,MS);
+tp([{M,F,A}|T],MS) -> % Other module
+ ttb:tpl(M,F,A,MS),
+ tp(T,MS);
+tp([{M,F}|T],MS) when is_atom(F) -> % Other module
+ ttb:tpl(M,F,MS),
+ tp(T,MS);
+tp([{F,A}|T],MS) -> % function/arity
+ ttb:tpl(?MODULE,F,A,MS),
+ tp(T,MS);
+tp([F|T],MS) -> % function
+ ttb:tpl(?MODULE,F,MS),
+ tp(T,MS);
+tp([],_MS) ->
+ ok.
+stop_debug() ->
+ ttb:stop([format]).
+
+debug_app(Mod) ->
+ ttb:tracer(all,[{file,"webtool_app.trc"},{handler,{fun out/4,true}}]),
+ ttb:p(all,[call,timestamp]),
+ MS = [{'_',[],[{return_trace},{message,{caller}}]}],
+ ttb:tp(Mod,MS),
+ ok.
+
+out(_,{trace_ts,Pid,call,MFA={M,F,A},{W,_,_},TS},_,S)
+ when W==webtool;W==mod_esi->
+ io:format("~w: (~p)~ncall ~s~n", [TS,Pid,ffunc(MFA)]),
+ [{M,F,length(A)}|S];
+out(_,{trace_ts,Pid,return_from,MFA,R,TS},_,[MFA|S]) ->
+ io:format("~w: (~p)~nreturned from ~s -> ~p~n", [TS,Pid,ffunc(MFA),R]),
+ S;
+out(_,_,_,_) ->
+ ok.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% %%
+%% Functions called via script. %%
+%% %%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+script_start() ->
+ usage(),
+ halt().
+script_start([App]) ->
+ DefaultBrowser =
+ case os:type() of
+ {win32,_} -> iexplore;
+ _ -> netscape
+ end,
+ script_start([App,DefaultBrowser]);
+script_start([App,Browser]) ->
+ io:format("Starting webtool...\n"),
+ start(),
+ AvailableApps = get_applications(),
+ {OSType,_} = os:type(),
+ case lists:keysearch(App,1,AvailableApps) of
+ {value,{App,StartPage}} ->
+ io:format("Starting ~w...\n",[App]),
+ start_tools([],"app=" ++ atom_to_list(App)),
+ PortStr = integer_to_list(get_port()),
+ Url = case StartPage of
+ "/" ++ Page ->
+ "http://localhost:" ++ PortStr ++ "/" ++ Page;
+ _ ->
+ "http://localhost:" ++ PortStr ++ "/" ++ StartPage
+ end,
+ case Browser of
+ iexplore when OSType == win32->
+ io:format("Starting internet explorer...\n"),
+ {ok,R} = win32reg:open(""),
+ Key="\\local_machine\\SOFTWARE\\Microsoft\\IE Setup\\Setup",
+ win32reg:change_key(R,Key),
+ {ok,Val} = win32reg:value(R,"Path"),
+ IExplore=filename:join(win32reg:expand(Val),"iexplore.exe"),
+ os:cmd("\"" ++ IExplore ++ "\" " ++ Url);
+ _ when OSType == win32 ->
+ io:format("Starting ~w...\n",[Browser]),
+ os:cmd("\"" ++ atom_to_list(Browser) ++ "\" " ++ Url);
+ B when B==netscape; B==mozilla ->
+ io:format("Sending URL to ~w...",[Browser]),
+ BStr = atom_to_list(Browser),
+ SendCmd = BStr ++ " -raise -remote \'openUrl(" ++
+ Url ++ ")\'",
+ Port = open_port({spawn,SendCmd},[exit_status]),
+ receive
+ {Port,{exit_status,0}} ->
+ io:format("done\n"),
+ ok;
+ {Port,{exit_status,_Error}} ->
+ io:format(" not running, starting ~w...\n",
+ [Browser]),
+ os:cmd(BStr ++ " " ++ Url),
+ ok
+ after ?SEND_URL_TIMEOUT ->
+ io:format(" failed, starting ~w...\n",[Browser]),
+ erlang:port_close(Port),
+ os:cmd(BStr ++ " " ++ Url)
+ end;
+ _ ->
+ io:format("Starting ~w...\n",[Browser]),
+ os:cmd(atom_to_list(Browser) ++ " " ++ Url)
+ end,
+ ok;
+ false ->
+ stop(),
+ io:format("\n{error,{unknown_app,~p}}\n",[App]),
+ halt()
+ end.
+
+usage() ->
+ io:format("Starting webtool...\n"),
+ start(),
+ Apps = lists:map(fun({A,_}) -> A end,get_applications()),
+ io:format(
+ "\nUsage: start_webtool application [ browser ]\n"
+ "\nAvailable applications are: ~p\n"
+ "Default browser is \'iexplore\' (Internet Explorer) on Windows "
+ "or else \'netscape\'\n",
+ [Apps]),
+ stop().
+
+
+get_applications() ->
+ gen_server:call(web_tool,get_applications).
+
+get_port() ->
+ gen_server:call(web_tool,get_port).
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% %%
+%% Api functions to the genserver. %%
+%% %%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%----------------------------------------------------------------------
+%
+%----------------------------------------------------------------------
+
+start()->
+ start(standard_path,standard_data).
+
+start(Path,standard_data)->
+ case get_standard_data() of
+ {error,Reason} ->
+ {error,Reason};
+ Data ->
+ start(Path,Data)
+ end;
+
+start(standard_path,Data)->
+ Path=get_path(),
+ start(Path,Data);
+
+start(Path,Port) when is_integer(Port)->
+ Data = get_standard_data(Port),
+ start(Path,Data);
+
+start(Path,Data0)->
+ Data = Data0 ++ rest_of_standard_data(),
+ gen_server:start({local,web_tool},webtool,{Path,Data},[]).
+
+stop()->
+ gen_server:call(web_tool,stoppit).
+
+%----------------------------------------------------------------------
+%Web Api functions called by the web
+%----------------------------------------------------------------------
+started_tools(Env,Input)->
+ gen_server:call(web_tool,{started_tools,Env,Input}).
+
+toolbar(Env,Input)->
+ gen_server:call(web_tool,{toolbar,Env,Input}).
+
+start_tools(Env,Input)->
+ gen_server:call(web_tool,{start_tools,Env,Input}).
+
+stop_tools(Env,Input)->
+ gen_server:call(web_tool,{stop_tools,Env,Input}).
+%----------------------------------------------------------------------
+%Support API for other tools
+%----------------------------------------------------------------------
+
+is_localhost()->
+ gen_server:call(web_tool,is_localhost).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% %%
+%%The gen_server callback functions that builds the webbpages %%
+%% %%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+handle_call(get_applications,_,State)->
+ MS = ets:fun2ms(fun({Tool,{web_data,{_,Start}}}) -> {Tool,Start} end),
+ Tools = ets:select(State#state.app_data,MS),
+ {reply,Tools,State};
+
+handle_call(get_port,_,State)->
+ {value,{port,Port}}=lists:keysearch(port,1,State#state.web_data),
+ {reply,Port,State};
+
+handle_call({started_tools,_Env,_Input},_,State)->
+ {reply,started_tools_page(State),State};
+
+handle_call({toolbar,_Env,_Input},_,State)->
+ {reply,toolbar(),State};
+
+handle_call({start_tools,Env,Input},_,State)->
+ {NewState,Page}=start_tools_page(Env,Input,State),
+ {reply,Page,NewState};
+
+handle_call({stop_tools,Env,Input},_,State)->
+ {NewState,Page}=stop_tools_page(Env,Input,State),
+ {reply,Page,NewState};
+
+handle_call(stoppit,_From,Data)->
+ {stop,normal,ok,Data};
+
+handle_call(is_localhost,_From,Data)->
+ Result=case proplists:get_value(bind_address, Data#state.web_data) of
+ ?DEFAULT_ADDR ->
+ true;
+ _IpNumber ->
+ false
+ end,
+ {reply,Result,Data}.
+
+
+handle_info(_Message,State)->
+ {noreply,State}.
+
+handle_cast(_Request,State)->
+ {noreply,State}.
+
+code_change(_,State,_)->
+ {ok,State}.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% The other functions needed by the gen_server behaviour
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%----------------------------------------------------------------------
+% Start the gen_server
+%----------------------------------------------------------------------
+init({Path,Config})->
+ case filelib:is_dir(Path) of
+ true ->
+ {ok, Table} = get_tool_files_data(),
+ insert_app(?WEBTOOL_ALIAS, Table),
+ case webtool_sup:start_link() of
+ {ok, Pid} ->
+ case start_webserver(Table, Path, Config) of
+ {ok, _} ->
+ print_url(Config),
+ {ok,#state{priv_dir=Path,
+ app_data=Table,
+ supvis=Pid,
+ web_data=Config}};
+ {error, Error} ->
+ {stop, {error, Error}}
+ end;
+ Error ->
+ {stop,Error}
+ end;
+ false ->
+ {stop, {error, error_dir}}
+ end.
+
+terminate(_Reason,Data)->
+ %%shut down the webbserver
+ shutdown_server(Data),
+ %%Shutdown the different tools that are started with application:start
+ shutdown_apps(Data),
+ %%Shutdown the supervisor and its children will die
+ shutdown_supervisor(Data),
+ ok.
+
+print_url(ConfigData)->
+ Server=proplists:get_value(server_name,ConfigData,"undefined"),
+ Port=proplists:get_value(port,ConfigData,"undefined"),
+ {A,B,C,D}=proplists:get_value(bind_address,ConfigData,"undefined"),
+ io:format("WebTool is available at http://~s:~w/~n",[Server,Port]),
+ io:format("Or http://~w.~w.~w.~w:~w/~n",[A,B,C,D,Port]).
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% begin build the pages
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%----------------------------------------------------------------------
+%The page that shows the started tools
+%----------------------------------------------------------------------
+started_tools_page(State)->
+ [?HEADER,?HTML_HEADER,started_tools(State),?HTML_END].
+
+toolbar()->
+ [?HEADER,?HTML_HEADER,toolbar_page(),?HTML_END].
+
+
+start_tools_page(_Env,Input,State)->
+ %%io:format("~n======= ~n ~p ~n============~n",[Input]),
+ case get_tools(Input) of
+ {tools,Tools}->
+ %%io:format("~n======= ~n ~p ~n============~n",[Tools]),
+ {ok,NewState}=handle_apps(Tools,State,start),
+ {NewState,[?HEADER,?HTML_HEADER_RELOAD,reload_started_apps(),
+ show_unstarted_apps(NewState),?HTML_END]};
+ _ ->
+ {State,[?HEADER,?HTML_HEADER,show_unstarted_apps(State),?HTML_END]}
+ end.
+
+stop_tools_page(_Env,Input,State)->
+ case get_tools(Input) of
+ {tools,Tools}->
+ {ok,NewState}=handle_apps(Tools,State,stop),
+ {NewState,[?HEADER,?HTML_HEADER_RELOAD,reload_started_apps(),
+ show_started_apps(NewState),?HTML_END]};
+ _ ->
+ {State,[?HEADER,?HTML_HEADER,show_started_apps(State),?HTML_END]}
+ end.
+
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%
+%% Functions that start and config the webserver
+%% 1. Collect the config data
+%% 2. Start webserver
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%----------------------------------------------------------------------
+% Start the webserver
+%----------------------------------------------------------------------
+start_webserver(Data,Path,Config)->
+ case get_conf_data(Data,Path,Config) of
+ {ok,Conf_data}->
+ %%io:format("Conf_data: ~p~n",[Conf_data]),
+ start_server(Conf_data);
+ {error,Error} ->
+ {error,{error_server_conf_file,Error}}
+ end.
+
+start_server(Conf_data)->
+ case inets:start(httpd, Conf_data, stand_alone) of
+ {ok,Pid}->
+ {ok,Pid};
+ Error->
+ {error,{server_error,Error}}
+ end.
+
+%----------------------------------------------------------------------
+% Create config data for the webserver
+%----------------------------------------------------------------------
+get_conf_data(Data,Path,Config)->
+ Aliases=get_aliases(Data),
+ ServerRoot = filename:join([Path,"root"]),
+ MimeTypesFile = filename:join([ServerRoot,"conf","mime.types"]),
+ case httpd_conf:load_mime_types(MimeTypesFile) of
+ {ok,MimeTypes} ->
+ Config1 = Config ++ Aliases,
+ Config2 = [{server_root,ServerRoot},
+ {document_root,filename:join([Path,"root/doc"])},
+ {mime_types,MimeTypes} |
+ Config1],
+ {ok,Config2};
+ Error ->
+ Error
+ end.
+
+%----------------------------------------------------------------------
+% Control the path for *.tools files
+%----------------------------------------------------------------------
+get_tool_files_data()->
+ Tools=get_tools1(code:get_path()),
+ %%io:format("Data : ~p ~n",[Tools]),
+ get_file_content(Tools).
+
+%----------------------------------------------------------------------
+%Control that the data in the file really is erlang terms
+%----------------------------------------------------------------------
+get_file_content(Tools)->
+ Get_data=fun({tool,ToolData}) ->
+ %%io:format("Data : ~p ~n",[ToolData]),
+ case proplists:get_value(config_func,ToolData) of
+ {M,F,A}->
+ case catch apply(M,F,A) of
+ {'EXIT',_} ->
+ bad_data;
+ Data when is_tuple(Data) ->
+ Data;
+ _->
+ bad_data
+ end;
+ _ ->
+ bad_data
+ end
+ end,
+ insert_file_content([X ||X<-lists:map(Get_data,Tools),X/=bad_data]).
+
+%----------------------------------------------------------------------
+%Insert the data from the file in to the ets:table
+%----------------------------------------------------------------------
+insert_file_content(Content)->
+ Table=ets:new(app_data,[bag]),
+ lists:foreach(fun(X)->
+ insert_app(X,Table)
+ end,Content),
+ {ok,Table}.
+
+%----------------------------------------------------------------------
+%Control that we got a a tuple of a atom and a list if so add the
+%elements in the list to the ets:table
+%----------------------------------------------------------------------
+insert_app({Name,Key_val_list},Table) when is_list(Key_val_list),is_atom(Name)->
+ %%io:format("ToolData: ~p: ~p~n",[Name,Key_val_list]),
+ lists:foreach(
+ fun({alias,{erl_alias,Alias,Mods}}) ->
+ Key_val = {erl_script_alias,{Alias,Mods}},
+ %%io:format("Insert: ~p~n",[Key_val]),
+ ets:insert(Table,{Name,Key_val});
+ (Key_val_pair)->
+ %%io:format("Insert: ~p~n",[Key_val_pair]),
+ ets:insert(Table,{Name,Key_val_pair})
+ end,
+ Key_val_list);
+
+insert_app(_,_)->
+ ok.
+
+%----------------------------------------------------------------------
+% Select all the alias in the database
+%----------------------------------------------------------------------
+get_aliases(Data)->
+ MS = ets:fun2ms(fun({_,{erl_script_alias,Alias}}) ->
+ {erl_script_alias,Alias};
+ ({_,{alias,Alias}}) ->
+ {alias,Alias}
+ end),
+ ets:select(Data,MS).
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% %%
+%% Helper functions %%
+%% %%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+get_standard_data(Port)->
+ [
+ {port,Port},
+ {bind_address,?DEFAULT_ADDR},
+ {server_name,"localhost"}
+ ].
+
+get_standard_data()->
+ case get_free_port(?DEFAULT_PORT,?MAX_NUMBER_OF_WEBTOOLS) of
+ {error,Reason} -> {error,Reason};
+ Port ->
+ [
+ {port,Port},
+ {bind_address,?DEFAULT_ADDR},
+ {server_name,"localhost"}
+ ]
+ end.
+
+get_free_port(_Port,0) ->
+ {error,no_free_port_found};
+get_free_port(Port,N) ->
+ case gen_tcp:connect("localhost",Port,[]) of
+ {error, _Reason} ->
+ Port;
+ {ok,Sock} ->
+ gen_tcp:close(Sock),
+ get_free_port(Port+1,N-1)
+ end.
+
+rest_of_standard_data() ->
+ [
+ %% Do not allow the server to be crashed by malformed http-request
+ {max_header_siz,1024},
+ {max_header_action,reply414},
+ %% Go on a straight ip-socket
+ {com_type,ip_comm},
+ %% Do not change the order of these module names!!
+ {modules,[mod_alias,
+ mod_auth,
+ mod_esi,
+ mod_actions,
+ mod_cgi,
+ mod_include,
+ mod_dir,
+ mod_get,
+ mod_head,
+ mod_log,
+ mod_disk_log]},
+ {directory_index,["index.html"]},
+ {default_type,"text/plain"}
+ ].
+
+
+get_path()->
+ code:priv_dir(webtool).
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% These functions is used to shutdown the webserver
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%----------------------------------------------------------------------
+% Shut down the webbserver
+%----------------------------------------------------------------------
+shutdown_server(State)->
+ {Addr,Port} = get_addr_and_port(State#state.web_data),
+ inets:stop(httpd,{Addr,Port}).
+
+get_addr_and_port(Config) ->
+ Addr = proplists:get_value(bind_address,Config,?DEFAULT_ADDR),
+ Port = proplists:get_value(port,Config,?DEFAULT_PORT),
+ {Addr,Port}.
+
+%----------------------------------------------------------------------
+% Select all apps in the table and close them
+%----------------------------------------------------------------------
+shutdown_apps(State)->
+ Data=State#state.app_data,
+ MS = ets:fun2ms(fun({_,{start,HowToStart}}) -> HowToStart end),
+ lists:foreach(fun(Start_app)->
+ stop_app(Start_app)
+ end,
+ ets:select(Data,MS)).
+
+%----------------------------------------------------------------------
+%Shuts down the supervisor that supervises tools that is not
+%Designed as applications
+%----------------------------------------------------------------------
+shutdown_supervisor(State)->
+ %io:format("~n==================~n"),
+ webtool_sup:stop(State#state.supvis).
+ %io:format("~n==================~n").
+
+%----------------------------------------------------------------------
+%close the individual apps.
+%----------------------------------------------------------------------
+stop_app({child,_Real_name})->
+ ok;
+
+stop_app({app,Real_name})->
+ application:stop(Real_name);
+
+stop_app({func,_Start,Stop})->
+ case Stop of
+ {M,F,A} ->
+ catch apply(M,F,A);
+ _NoStop ->
+ ok
+ end.
+
+
+
+
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%
+%% These functions creates the webpage where the user can select if
+%% to start apps or to stop apps
+%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+toolbar_page()->
+ "<TABLE>
+ <TR>
+ <TD>
+ <B>Select Action</B>
+ </TD>
+ </TR>
+ <TR>
+ <TD>
+ <A HREF=\"./start_tools\" TARGET=right> Start Tools</A>
+ </TD>
+ </TR>
+ <TR>
+ <TD>
+ <A HREF=\"./stop_tools\" TARGET=right> Stop Tools</A>
+ </TD>
+ </TR>
+ </TABLE>".
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%
+%% These functions creates the webbpage that shows the started apps
+%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%----------------------------------------------------------------------
+% started_tools(State)->String (html table)
+% State is a record of type state
+%----------------------------------------------------------------------
+started_tools(State)->
+ Names=get_started_apps(State#state.app_data,State#state.started),
+ "<TABLE BORDER=1 WIDTH=100%>
+ "++ make_rows(Names,[],0) ++"
+ </TABLE>".
+%----------------------------------------------------------------------
+%get_started_apps(Data,Started)-> [{web_name,link}]
+%selects the started apps from the ets table of apps.
+%----------------------------------------------------------------------
+
+get_started_apps(Data,Started)->
+ SelectData=fun({Name,Link}) ->
+ {Name,Link}
+ end,
+ MS = lists:map(fun(A) -> {{A,{web_data,'$1'}},[],['$1']} end,Started),
+
+ [{"WebTool","/tool_management.html"} |
+ [SelectData(X) || X <- ets:select(Data,MS)]].
+
+%----------------------------------------------------------------------
+% make_rows(List,Result,Fields)-> String (The rows of a htmltable
+% List a list of tupler discibed above
+% Result an accumulator for the result
+% Field, counter that counts the number of cols in each row.
+%----------------------------------------------------------------------
+make_rows([],Result,Fields)->
+ Result ++ fill_out(Fields);
+make_rows([Data|Paths],Result,Field)when Field==0->
+ make_rows(Paths,Result ++ "<TR>" ++ make_field(Data),Field+1);
+
+make_rows([Path|Paths],Result,Field)when Field==4->
+ make_rows(Paths,Result ++ make_field(Path) ++ "</TR>",0);
+
+make_rows([Path|Paths],Result,Field)->
+ make_rows(Paths,Result ++ make_field(Path),Field+1).
+
+%----------------------------------------------------------------------
+% make_fields(Path)-> String that is a field i a html table
+% Path is a name url tuple {Name,url}
+%----------------------------------------------------------------------
+make_field(Path)->
+ "<TD WIDTH=20%>" ++ get_name(Path) ++ "</TD>".
+
+
+%----------------------------------------------------------------------
+%get_name({Nae,Url})->String that represents a <A> tag in html.
+%----------------------------------------------------------------------
+get_name({Name,Url})->
+ "<A HREF=\"" ++ Url ++ "\" TARGET=app_frame>" ++ Name ++ "</A>".
+
+
+%----------------------------------------------------------------------
+% fill_out(Nr)-> String, that represent Nr fields in a html-table.
+%----------------------------------------------------------------------
+fill_out(Nr)when Nr==0->
+ [];
+fill_out(Nr)when Nr==4->
+ "<TD WIDTH=\"20%\" >&nbsp</TD></TR>";
+
+fill_out(Nr)->
+ "<TD WIDTH=\"20%\">&nbsp</TD>" ++ fill_out(Nr+1).
+
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%
+%%These functions starts applicatons and builds the page showing tools
+%%to start
+%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%----------------------------------------------------------------------
+%Controls whether the user selected a tool to start
+%----------------------------------------------------------------------
+get_tools(Input)->
+ case httpd:parse_query(Input) of
+ []->
+ no_tools;
+ Tools->
+ FormatData=fun({_Name,Data}) -> list_to_atom(Data) end,
+ SelectData=
+ fun({Name,_Data}) -> string:equal(Name,"app") end,
+ {tools,[FormatData(X)||X<-Tools,SelectData(X)]}
+ end.
+
+%----------------------------------------------------------------------
+% Selects the data to start the applications the user has ordered
+% starting of
+%----------------------------------------------------------------------
+handle_apps([],State,_Cmd)->
+ {ok,State};
+
+handle_apps([Tool|Tools],State,Cmd)->
+ case ets:match_object(State#state.app_data,{Tool,{start,'_'}}) of
+ []->
+ Started = case Cmd of
+ start ->
+ [Tool|State#state.started];
+ stop ->
+ lists:delete(Tool,State#state.started)
+ end,
+ {ok,#state{priv_dir=State#state.priv_dir,
+ app_data=State#state.app_data,
+ supvis=State#state.supvis,
+ web_data=State#state.web_data,
+ started=Started}};
+ ToStart ->
+ case handle_apps2(ToStart,State,Cmd) of
+ {ok,NewState}->
+ handle_apps(Tools,NewState,Cmd);
+ _->
+ handle_apps(Tools,State,Cmd)
+ end
+ end.
+
+%----------------------------------------------------------------------
+%execute every start or stop data about a tool.
+%----------------------------------------------------------------------
+handle_apps2([{Name,Start_data}],State,Cmd)->
+ case handle_app({Name,Start_data},State#state.app_data,State#state.supvis,Cmd) of
+ ok->
+ Started = case Cmd of
+ start ->
+ [Name|State#state.started];
+ stop ->
+
+ lists:delete(Name,State#state.started)
+ end,
+ {ok,#state{priv_dir=State#state.priv_dir,
+ app_data=State#state.app_data,
+ supvis=State#state.supvis,
+ web_data=State#state.web_data,
+ started=Started}};
+ _->
+ error
+ end;
+
+handle_apps2([{Name,Start_data}|Rest],State,Cmd)->
+ case handle_app({Name,Start_data},State#state.app_data,State#state.supvis,Cmd)of
+ ok->
+ handle_apps2(Rest,State,Cmd);
+ _->
+ error
+ end.
+
+
+%----------------------------------------------------------------------
+% Handle start and stop of applications
+%----------------------------------------------------------------------
+
+handle_app({Name,{start,{func,Start,Stop}}},Data,_Pid,Cmd)->
+ Action = case Cmd of
+ start ->
+ Start;
+ _ ->
+ Stop
+ end,
+ case Action of
+ {M,F,A} ->
+ case catch apply(M,F,A) of
+ {'EXIT',_} = Exit->
+ %%! Here the tool disappears from the webtool interface!!
+ io:format("\n=======ERROR (webtool, line ~w) =======\n"
+ "Could not start application \'~p\'\n\n"
+ "~w:~w(~s) ->\n"
+ "~p\n\n",
+ [?LINE,Name,M,F,format_args(A),Exit]),
+ ets:delete(Data,Name);
+ _OK->
+ ok
+ end;
+ _NoStart ->
+ ok
+ end;
+
+
+handle_app({Name,{start,{child,ChildSpec}}},Data,Pid,Cmd)->
+ case Cmd of
+ start ->
+ case catch supervisor:start_child(Pid,ChildSpec) of
+ {ok,_}->
+ ok;
+ {ok,_,_}->
+ ok;
+ {error,Reason}->
+ %%! Here the tool disappears from the webtool interface!!
+ io:format("\n=======ERROR (webtool, line ~w) =======\n"
+ "Could not start application \'~p\'\n\n"
+ "supervisor:start_child(~p,~p) ->\n"
+ "~p\n\n",
+ [?LINE,Name,Pid,ChildSpec,{error,Reason}]),
+ ets:delete(Data,Name);
+ Error ->
+ %%! Here the tool disappears from the webtool interface!!
+ io:format("\n=======ERROR (webtool, line ~w) =======\n"
+ "Could not start application \'~p\'\n\n"
+ "supervisor:start_child(~p,~p) ->\n"
+ "~p\n\n",
+ [?LINE,Name,Pid,ChildSpec,Error]),
+ ets:delete(Data,Name)
+ end;
+ stop ->
+ case catch supervisor:terminate_child(websup,element(1,ChildSpec)) of
+ ok ->
+ supervisor:delete_child(websup,element(1,ChildSpec));
+ _ ->
+ error
+ end
+ end;
+
+
+
+handle_app({Name,{start,{app,Real_name}}},Data,_Pid,Cmd)->
+ case Cmd of
+ start ->
+ case application:start(Real_name,temporary) of
+ ok->
+ io:write(Name),
+ ok;
+ {error,{already_started,_}}->
+ %% Remove it from the database so we dont start
+ %% anything already started
+ ets:match_delete(Data,{Name,{start,{app,Real_name}}}),
+ ok;
+ {error,_Reason}=Error->
+ %%! Here the tool disappears from the webtool interface!!
+ io:format("\n=======ERROR (webtool, line ~w) =======\n"
+ "Could not start application \'~p\'\n\n"
+ "application:start(~p,~p) ->\n"
+ "~p\n\n",
+ [?LINE,Name,Real_name,temporary,Error]),
+ ets:delete(Data,Name)
+ end;
+
+ stop ->
+ application:stop(Real_name)
+ end;
+
+%----------------------------------------------------------------------
+% If the data is incorrect delete the app
+%----------------------------------------------------------------------
+handle_app({Name,Incorrect},Data,_Pid,Cmd)->
+ %%! Here the tool disappears from the webtool interface!!
+ io:format("\n=======ERROR (webtool, line ~w) =======\n"
+ "Could not ~w application \'~p\'\n\n"
+ "Incorrect data: ~p\n\n",
+ [?LINE,Cmd,Name,Incorrect]),
+ ets:delete(Data,Name).
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% %%
+%% this functions creates the page that shows the unstarted tools %%
+%% %%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+reload_started_apps()->
+ "<script>
+ function reloadCompiledList()
+ {
+ parent.parent.top1.document.location.href=\"/webtool/webtool/started_tools\";
+ }
+ </script>".
+
+show_unstarted_apps(State)->
+ "<TABLE HEIGHT=100% WIDTH=100% BORDER=0>
+ <TR HEIGHT=80%><TD ALIGN=\"center\" VALIGN=\"middle\">
+ <FORM NAME=\"stop_apps\" ACTION=\"/webtool/webtool/start_tools\" >
+ <TABLE BORDER=1 WIDTH=60%>
+ <TR BGCOLOR=\"#8899AA\">
+ <TD ALIGN=CENTER COLSPAN=2><FONT SIZE=4>Available Tools<FONT></TD>
+ </TR>
+ <TR>
+ <TD WIDTH=50%>
+ <TABLE BORDER=0>
+ "++ list_available_apps(State)++"
+ <TR><TD COLSPAN=2>&nbsp;</TD></TR>
+ <TR>
+ <TD COLSPAN=2 ALIGN=\"center\">
+ <INPUT TYPE=submit VALUE=\"Start\">
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ <TD>
+ To Start a Tool:
+ <UL>
+ <LI>Select the
+ checkbox for each tool to
+ start.</LI>
+ <LI>Click on the
+ button marked <EM>Start</EM>.</LI></UL>
+ </TD>
+ </TR>
+ </TABLE>
+ </FORM>
+ </TD></TR>
+ <TR><TD>&nbsp;</TD></TR>
+ </TABLE>".
+
+
+
+list_available_apps(State)->
+ MS = ets:fun2ms(fun({Tool,{web_data,{Name,_}}}) -> {Tool,Name} end),
+ Unstarted_apps=
+ lists:filter(
+ fun({Tool,_})->
+ false==lists:member(Tool,State#state.started)
+ end,
+ ets:select(State#state.app_data,MS)),
+ case Unstarted_apps of
+ []->
+ "<TR><TD>All tools are started</TD></TR>";
+ _->
+ list_apps(Unstarted_apps)
+ end.
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% %%
+%% these functions creates the page that shows the started apps %%
+%% the user can select to shutdown %%
+%% %%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+show_started_apps(State)->
+ "<TABLE HEIGHT=100% WIDTH=100% BORDER=0>
+ <TR HEIGHT=80%><TD ALIGN=\"center\" VALIGN=\"middle\">
+ <FORM NAME=\"stop_apps\" ACTION=\"/webtool/webtool/stop_tools\" >
+ <TABLE BORDER=1 WIDTH=60%>
+ <TR BGCOLOR=\"#8899AA\">
+ <TD ALIGN=CENTER COLSPAN=2><FONT SIZE=4>Started Tools<FONT></TD>
+ </TR>
+ <TR>
+ <TD WIDTH=50%>
+ <TABLE BORDER=0>
+ "++ list_started_apps(State)++"
+ <TR><TD COLSPAN=2>&nbsp;</TD></TR>
+ <TR>
+ <TD COLSPAN=2 ALIGN=\"center\">
+ <INPUT TYPE=submit VALUE=\"Stop\">
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ <TD>
+ Stop a Tool:
+ <UL>
+ <LI>Select the
+ checkbox for each tool to
+ stop.</LI>
+ <LI>Click on the
+ button marked <EM>Stop</EM>.</LI></UL>
+ </TD>
+ </TR>
+ </TABLE>
+ </FORM>
+ </TD></TR>
+ <TR><TD>&nbsp;</TD></TR>
+ </TABLE>".
+
+list_started_apps(State)->
+ MS = lists:map(fun(A) -> {{A,{web_data,{'$1','_'}}},[],[{{A,'$1'}}]} end,
+ State#state.started),
+ Started_apps= ets:select(State#state.app_data,MS),
+ case Started_apps of
+ []->
+ "<TR><TD>No tool is started yet.</TD></TR>";
+ _->
+ list_apps(Started_apps)
+ end.
+
+
+list_apps(Apps) ->
+ lists:map(fun({Tool,Name})->
+ "<TR><TD>
+ <INPUT TYPE=\"checkbox\" NAME=\"app\" VALUE=\""
+ ++ atom_to_list(Tool) ++ "\">
+ " ++ Name ++ "
+ </TD></TR>"
+ end,
+ Apps).
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% %%
+%% Collecting the data from the *.tool files %%
+%% %%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%----------------------------------------
+% get_tools(Dirs) => [{M,F,A},{M,F,A}...{M,F,A}]
+% Dirs - [string()] Directory names
+% Calls get_tools2/2 recursively for a number of directories
+% to retireve the configuration data for the web based tools.
+%----------------------------------------
+get_tools1(Dirs)->
+ get_tools1(Dirs,[]).
+
+get_tools1([Dir|Rest],Data) when is_list(Dir) ->
+ Tools=case filename:basename(Dir) of
+ %% Dir is an 'ebin' directory, check in '../priv' as well
+ "ebin" ->
+ [get_tools2(filename:join(filename:dirname(Dir),"priv")) |
+ get_tools2(Dir)];
+ _ ->
+ get_tools2(Dir)
+ end,
+ get_tools1(Rest,[Tools|Data]);
+
+get_tools1([],Data) ->
+ lists:flatten(Data).
+
+%----------------------------------------
+% get_tools2(Directory) => DataList
+% DataList : [WebTuple]|[]
+% WebTuple: {tool,[{web,M,F,A}]}
+%
+%----------------------------------------
+get_tools2(Dir)->
+ get_tools2(tool_files(Dir),[]).
+
+get_tools2([ToolFile|Rest],Data) ->
+ case get_tools3(ToolFile) of
+ {tool,WebData} ->
+ get_tools2(Rest,[{tool,WebData}|Data]);
+ {error,_Reason} ->
+ get_tools2(Rest,Data);
+ nodata ->
+ get_tools2(Rest,Data)
+ end;
+
+get_tools2([],Data) ->
+ Data.
+
+%----------------------------------------
+% get_tools3(ToolFile) => {ok,Tool}|{error,Reason}|nodata
+% Tool: {tool,[KeyValTuple]}
+% ToolFile - string() A .tool file
+% Now we have the file get the data and sort it out
+%----------------------------------------
+get_tools3(ToolFile) ->
+ case file:consult(ToolFile) of
+ {error,open} ->
+ {error,nofile};
+ {error,read} ->
+ {error,format};
+ {ok,[{version,"1.2"},ToolInfo]} when is_list(ToolInfo)->
+ webdata(ToolInfo);
+ {ok,[{version,_Vsn},_Info]} ->
+ {error,old_version};
+ {ok,_Other} ->
+ {error,format}
+ end.
+
+
+%----------------------------------------------------------------------
+% webdata(TupleList)-> ToolTuple| nodata
+% ToolTuple: {tool,[{config_func,{M,F,A}}]}
+%
+% There are a little unneccesary work in this format but it is extendable
+%----------------------------------------------------------------------
+webdata(TupleList)->
+ case proplists:get_value(config_func,TupleList,nodata) of
+ {M,F,A} ->
+ {tool,[{config_func,{M,F,A}}]};
+ _ ->
+ nodata
+ end.
+
+
+%=============================================================================
+% Functions for getting *.tool configuration files
+%=============================================================================
+
+%----------------------------------------
+% tool_files(Dir) => ToolFiles
+% Dir - string() Directory name
+% ToolFiles - [string()]
+% Return the list of all files in Dir ending with .tool (appended to Dir)
+%----------------------------------------
+tool_files(Dir) ->
+ case file:list_dir(Dir) of
+ {ok,Files} ->
+ filter_tool_files(Dir,Files);
+ {error,_Reason} ->
+ []
+ end.
+
+%----------------------------------------
+% filter_tool_files(Dir,Files) => ToolFiles
+% Dir - string() Directory name
+% Files, ToolFiles - [string()] File names
+% Filters out the files in Files ending with .tool and append them to Dir
+%----------------------------------------
+filter_tool_files(_Dir,[]) ->
+ [];
+filter_tool_files(Dir,[File|Rest]) ->
+ case filename:extension(File) of
+ ".tool" ->
+ [filename:join(Dir,File)|filter_tool_files(Dir,Rest)];
+ _ ->
+ filter_tool_files(Dir,Rest)
+ end.
+
+
+%%%-----------------------------------------------------------------
+%%% format functions
+ffunc({M,F,A}) when is_list(A) ->
+ io_lib:format("~w:~w(~s)\n",[M,F,format_args(A)]);
+ffunc({M,F,A}) when is_integer(A) ->
+ io_lib:format("~w:~w/~w\n",[M,F,A]).
+
+format_args([]) ->
+ "";
+format_args(Args) ->
+ Str = lists:append(["~p"|lists:duplicate(length(Args)-1,",~p")]),
+ io_lib:format(Str,Args).
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 07:14:51 +0000