From 5794bc103abddca70e198857260390b896d737a7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Thu, 15 Dec 2016 13:30:14 +0100 Subject: percept: Remove application --- lib/percept/src/percept.erl | 337 -------------------------------------------- 1 file changed, 337 deletions(-) delete mode 100644 lib/percept/src/percept.erl (limited to 'lib/percept/src/percept.erl') diff --git a/lib/percept/src/percept.erl b/lib/percept/src/percept.erl deleted file mode 100644 index 25c6ae19b1..0000000000 --- a/lib/percept/src/percept.erl +++ /dev/null @@ -1,337 +0,0 @@ -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2007-2016. All Rights Reserved. -%% -%% Licensed under the Apache License, Version 2.0 (the "License"); -%% you may not use this file except in compliance with the License. -%% You may obtain a copy of the License at -%% -%% http://www.apache.org/licenses/LICENSE-2.0 -%% -%% Unless required by applicable law or agreed to in writing, software -%% distributed under the License is distributed on an "AS IS" BASIS, -%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -%% See the License for the specific language governing permissions and -%% limitations under the License. -%% -%% %CopyrightEnd% -%% - -%% -%% @doc Percept - Erlang Concurrency Profiling Tool -%% -%% This module provides the user interface for the application. -%% - --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]). - - --include("percept.hrl"). - -%%========================================================================== -%% Type definitions -%%========================================================================== - -%% @type percept_option() = procs | ports | exclusive - --type percept_option() :: 'procs' | 'ports' | 'exclusive' | 'scheduler'. - -%%========================================================================== -%% Application callback functions -%%========================================================================== - -%% @spec start(Type, Args) -> {started, Hostname, Port} | {error, Reason} -%% @doc none -%% @hidden - -start(_Type, _Args) -> - %% start web browser service - start_webserver(0). - -%% @spec stop(State) -> ok -%% @doc none -%% @hidden - -stop(_State) -> - %% stop web browser service - stop_webserver(0). - -%%========================================================================== -%% Interface functions -%%========================================================================== - -%% @spec profile(Filename::string()) -> {ok, Port} | {already_started, Port} -%% @see percept_profile - -%% profiling - --spec profile(Filename :: file:filename()) -> - {'ok', port()} | {'already_started', port()}. - -profile(Filename) -> - percept_profile:start(Filename, [procs]). - -%% @spec profile(Filename::string(), [percept_option()]) -> {ok, Port} | {already_started, Port} -%% @see percept_profile - --spec profile(Filename :: file:filename(), - Options :: [percept_option()]) -> - {'ok', port()} | {'already_started', port()}. - -profile(Filename, Options) -> - percept_profile:start(Filename, Options). - -%% @spec profile(Filename::string(), MFA::mfa(), [percept_option()]) -> ok | {already_started, Port} | {error, not_started} -%% @see percept_profile - --spec profile(Filename :: file:filename(), - Entry :: {atom(), atom(), list()}, - Options :: [percept_option()]) -> - 'ok' | {'already_started', port()} | {'error', 'not_started'}. - -profile(Filename, MFA, Options) -> - percept_profile:start(Filename, MFA, Options). - --spec stop_profile() -> 'ok' | {'error', 'not_started'}. - -%% @spec stop_profile() -> ok | {'error', 'not_started'} -%% @see percept_profile - -stop_profile() -> - percept_profile:stop(). - -%% @spec analyze(string()) -> ok | {error, Reason} -%% @doc Analyze file. - --spec analyze(Filename :: file:filename()) -> - 'ok' | {'error', any()}. - -analyze(Filename) -> - case percept_db:start() of - {started, DB} -> - parse_and_insert(Filename,DB); - {restarted, DB} -> - parse_and_insert(Filename,DB) - end. - -%% @spec start_webserver() -> {started, Hostname, Port} | {error, Reason} -%% Hostname = string() -%% Port = integer() -%% Reason = term() -%% @doc Starts webserver. - --spec start_webserver() -> - {'started', string(), pos_integer()} | {'error', any()}. - -start_webserver() -> - start_webserver(0). - -%% @spec start_webserver(integer()) -> {started, Hostname, AssignedPort} | {error, Reason} -%% Hostname = string() -%% AssignedPort = integer() -%% Reason = term() -%% @doc Starts webserver. If port number is 0, an available port number will -%% be assigned by inets. - --spec start_webserver(Port :: non_neg_integer()) -> - {'started', string(), pos_integer()} | {'error', any()}. - -start_webserver(Port) when is_integer(Port) -> - ok = ensure_loaded(percept), - case whereis(percept_httpd) of - undefined -> - {ok, Config} = get_webserver_config("percept", Port), - ok = application:ensure_started(inets), - case inets:start(httpd, Config) of - {ok, Pid} -> - AssignedPort = find_service_port_from_pid(inets:services_info(), Pid), - {ok, Host} = inet:gethostname(), - %% workaround until inets can get me a service from a name. - Mem = spawn(fun() -> service_memory({Pid,AssignedPort,Host}) end), - register(percept_httpd, Mem), - {started, Host, AssignedPort}; - {error, Reason} -> - {error, {inets, Reason}} - end; - _ -> - {error, already_started} - end. - -%% @spec stop_webserver() -> ok | {error, not_started} -%% @doc Stops webserver. - -stop_webserver() -> - case whereis(percept_httpd) of - undefined -> - {error, not_started}; - Pid -> - do_stop([], Pid) - end. - -do_stop([], Pid)-> - Pid ! {self(), get_port}, - Port = receive P -> P end, - do_stop(Port, Pid); -do_stop(Port, [])-> - case whereis(percept_httpd) of - undefined -> - {error, not_started}; - Pid -> - do_stop(Port, Pid) - end; -do_stop(Port, Pid)-> - case find_service_pid_from_port(inets:services_info(), Port) of - undefined -> - {error, not_started}; - Pid2 -> - Pid ! quit, - inets:stop(httpd, Pid2) - end. - -%% @spec stop_webserver(integer()) -> ok | {error, not_started} -%% @doc Stops webserver of the given port. -%% @hidden - -stop_webserver(Port) -> - do_stop(Port,[]). - -%%========================================================================== -%% Auxiliary functions -%%========================================================================== - -%% parse_and_insert - -parse_and_insert(Filename, DB) -> - io:format("Parsing: ~p ~n", [Filename]), - T0 = erlang:monotonic_time(millisecond), - Pid = dbg:trace_client(file, Filename, mk_trace_parser(self())), - Ref = erlang:monitor(process, Pid), - parse_and_insert_loop(Filename, Pid, Ref, DB, T0). - -parse_and_insert_loop(Filename, Pid, Ref, DB, T0) -> - receive - {'DOWN',Ref,process, Pid, noproc} -> - io:format("Incorrect file or malformed trace file: ~p~n", [Filename]), - {error, file}; - {parse_complete, {Pid, Count}} -> - receive {'DOWN', Ref, process, Pid, normal} -> ok after 0 -> ok end, - DB ! {action, consolidate}, - T1 = erlang:monotonic_time(millisecond), - io:format("Parsed ~w entries in ~w ms.~n", [Count, T1 - T0]), - io:format(" ~p created processes.~n", [length(percept_db:select({information, procs}))]), - io:format(" ~p opened ports.~n", [length(percept_db:select({information, ports}))]), - ok; - {'DOWN',Ref, process, Pid, normal} -> parse_and_insert_loop(Filename, Pid, Ref, DB, T0); - {'DOWN',Ref, process, Pid, Reason} -> {error, Reason} - end. - -mk_trace_parser(Pid) -> - {fun trace_parser/2, {0, Pid}}. - -trace_parser(end_of_trace, {Count, Pid}) -> - Pid ! {parse_complete, {self(),Count}}, - receive - {ack, Pid} -> - ok - end; -trace_parser(Trace, {Count, Pid}) -> - percept_db:insert(Trace), - {Count + 1, Pid}. - -find_service_pid_from_port([], _) -> - undefined; -find_service_pid_from_port([{_, Pid, Options} | Services], Port) -> - case lists:keyfind(port, 1, Options) of - false -> - find_service_pid_from_port(Services, Port); - {port, Port} -> - Pid - end. - -find_service_port_from_pid([], _) -> - undefined; -find_service_port_from_pid([{_, Pid, Options} | _], Pid) -> - case lists:keyfind(port, 1, Options) of - false -> - undefined; - {port, Port} -> - Port - end; -find_service_port_from_pid([{_, _, _} | Services], Pid) -> - find_service_port_from_pid(Services, Pid). - -%% service memory - -service_memory({Pid, Port, Host}) -> - receive - quit -> - ok; - {Reply, get_port} -> - Reply ! Port, - service_memory({Pid, Port, Host}); - {Reply, get_host} -> - Reply ! Host, - service_memory({Pid, Port, Host}); - {Reply, get_pid} -> - Reply ! Pid, - service_memory({Pid, Port, Host}) - end. - -% Create config data for the webserver - -get_webserver_config(Servername, Port) when is_list(Servername), is_integer(Port) -> - Path = code:priv_dir(percept), - Root = filename:join([Path, "server_root"]), - MimeTypesFile = filename:join([Root,"conf","mime.types"]), - {ok, MimeTypes} = httpd_conf:load_mime_types(MimeTypesFile), - Config = [ - % Roots - {server_root, Root}, - {document_root,filename:join([Root, "htdocs"])}, - - % Aliases - {eval_script_alias,{"/eval",[io]}}, - {erl_script_alias,{"/cgi-bin",[percept_graph,percept_html,io]}}, - {script_alias,{"/cgi-bin/", filename:join([Root, "cgi-bin"])}}, - {alias,{"/javascript/",filename:join([Root, "scripts"]) ++ "/"}}, - {alias,{"/images/", filename:join([Root, "images"]) ++ "/"}}, - {alias,{"/css/", filename:join([Root, "css"]) ++ "/"}}, - - % Configs - {default_type,"text/plain"}, - {directory_index,["index.html"]}, - {mime_types, MimeTypes}, - {modules,[mod_alias, - mod_esi, - mod_actions, - mod_cgi, - mod_dir, - mod_get, - mod_head - ]}, - {com_type,ip_comm}, - {server_name, Servername}, - {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. -- cgit v1.2.3