%% %% %CopyrightBegin% %% %% Copyright Ericsson AB 2001-2010. 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(httpd_time_test). -export([t/3, t1/2, t2/2, t4/2]). -export([do/1, do/2, do/3, do/4, do/5]). -export([main/5, poller_main/4, poller_loop/4]). -include("inets_test_lib.hrl"). -record(stat, {pid, time = undefined, count = undefined, res}). %% -define(NUM_POLLERS, 10). -define(NUM_POLLERS, 1). %%% ----------------------------------------------------------------- %%% Test suite interface %%% t1(Host, Port) -> t(ip_comm, Host, Port). t2(Host, Port) -> t(ssl, Host, Port). t4(Host, Port) -> t(essl, Host, Port). t(SocketType, Host, Port) -> %% put(dbg,true), main(?NUM_POLLERS, SocketType, Host, Port, 60000). %%% ----------------------------------------------------------------- %%% Public interface when running the time test manually... %%% do(Port) -> do(ip_comm, hostname(), Port). do(Port, Time) when is_integer(Port) andalso is_integer(Time) -> do(ip_comm, hostname(), Port, Time); do(Host, Port) -> do(ip_comm, Host, Port). do(Host, Port, Time) when is_integer(Port) andalso is_integer(Time) -> do(1, ip_comm, Host, Port, Time); do(SocketType, Host, Port) when is_integer(Port) -> do(1, SocketType, Host, Port, 60000). do(N, SocketType, Host, Port) when is_integer(N) andalso is_integer(Port) -> do(N, SocketType, Host, Port, 60000); do(SocketType, Host, Port, Time) when is_integer(Port) andalso is_integer(Time) -> do(1, SocketType, Host, Port, Time). do(N, SocketType, Host, Port, Time) when is_integer(N) andalso is_integer(Port) andalso is_integer(Time) -> do_it(N, SocketType, Host, Port, Time). do_it(N, SocketType, Host, Port, Time) -> d("do_it -> entry with" "~n N: ~p" "~n SocketType: ~p" "~n Host: ~p" "~n Port: ~p" "~n Time: ~p", [N, SocketType, Host, Port, Time]), proc_lib:spawn(?MODULE, main, [N, SocketType, Host, Port, Time]). %%% ----------------------------------------------------------------- %%% Controller (main) process %%% main(N, SocketType, Host, Port, Time) when is_integer(N) andalso is_atom(SocketType) andalso is_integer(Port) andalso is_integer(Time) -> process_flag(trap_exit,true), put(sname,ctrl), %% put(dbg,true), d("main -> entry"), Pollers = start_pollers(N, [self(), SocketType, Host, Port]), d("main -> Pollers: ~p", [Pollers]), loop(Pollers, Time). loop(Pollers, Timeout) -> d("loop -> entry when" "~n Timeout: ~p", [Timeout]), Start = t(), receive {'EXIT', Pid, {poller_stat_failure, SocketType, Host, Port, Time, Reason}} -> case is_poller(Pid, Pollers) of true -> error_msg("received unexpected exit from poller ~p~n" "befor completion of test " "after ~p micro sec" "~n SocketType: ~p" "~n Host: ~p" "~n Port: ~p" "~n~p~n", [Pid, SocketType, Host, Port, Time, Reason]), exit({fail, {poller_exit, Pid, Time, Reason}}); false -> error_msg("received unexpected ~p from ~p" "befor completion of test", [Reason, Pid]), loop(Pollers, to(Timeout, Start)) end; {poller_stat_failure, Pid, {SocketType, Host, Port, Time, Reason}} -> error_msg("received stat failure ~p from poller ~p after ~p " "befor completion of test" "~n SocketType: ~p" "~n Host: ~p" "~n Port: ~p", [Reason, Pid, Time, SocketType, Host, Port]), exit({fail, {poller_failure, Pid, Time, Reason}}); {poller_stat_failure, Pid, SocketType, Host, Port, Reason} -> error_msg("received stat failure ~p from poller ~p " "befor completion of test" "~n SocketType: ~p" "~n Host: ~p" "~n Port: ~p", [Reason, Pid, SocketType, Host, Port]), exit({fail, {poller_failure, Pid, Reason}}); Any -> error_msg("received unexpected message befor completion of test: " "~n ~p", [Any]), exit({fail, Any}) after Timeout -> d("loop -> timeout: stop pollers"), stop_pollers(Pollers), d("loop -> collect poller statistics"), Stats = collect_poller_stat(Pollers, []), d("loop -> Stats: ~p", [Stats]), display_poller_stat(Stats, Timeout), ok end. collect_poller_stat([], PollersStat) -> PollersStat; collect_poller_stat(Pollers, PollersStat) -> d("collect_poller_stat -> entry with" "~n Pollers: ~p" "~n PollersStat: ~p", [Pollers, PollersStat]), receive {poller_statistics, Poller, {Time, Count}} -> d("collect_poller_stat -> got statistics from ~p", [Poller]), case lists:keysearch(Poller, 2, Pollers) of {value, PollerStat} -> d("collect_poller_stat -> current statistic record: ~p", [PollerStat]), P = lists:keydelete(Poller, 2, Pollers), d("collect_poller_stat -> P: ~p", [P]), S = PollerStat#stat{time = Time, count = Count, res = ok}, d("collect_poller_stat -> S: ~p", [S]), collect_poller_stat(P, [S | PollersStat]); false -> error_msg("statistics already received for ~p", [Poller]), collect_poller_stat(Pollers, PollersStat) end; {poller_stat_failure, Poller, Else} -> error_msg("poller statistics failure for ~p with ~p", [Poller, Else]), case lists:keysearch(Poller, 2, Pollers) of {value, PollerStat} -> P = lists:keydelete(Poller, 2, Pollers), S = PollerStat#stat{res = {error, Else}}, collect_poller_stat(P, [S | PollerStat]); false -> error_msg("statistics already received for ~p", [Poller]), collect_poller_stat(Pollers, PollersStat) end end. display_poller_stat(Stats, T) -> display_poller_stat(Stats, 1, T, 0). display_poller_stat([], _, TestTime, AccCount) -> io:format("Total statistics:~n" " Accumulated count: ~w~n" " Average access time: ~w milli sec~n", [AccCount, (TestTime/AccCount)]); display_poller_stat([#stat{res = ok} = Stat | Stats], N, TestTime, AccCount) -> #stat{pid = Pid, time = Time, count = Count} = Stat, io:format("Statistics for poller ~p (~p):~n" " time: ~w seconds~n" " count: ~w~n" " Average access time: ~w milli sec~n", [Pid, N, Time/(1000*1000), Count, (TestTime/Count)]), display_poller_stat(Stats, N + 1, TestTime, AccCount+Count); display_poller_stat([Stat | Stats], N, TestTime, AccCount) -> #stat{pid = Pid, res = Error} = Stat, io:format("Statistics failed for poller ~p (~p):~n" " ~p~n", [Pid, N, Error]), display_poller_stat(Stats, N + 1, TestTime, AccCount). %%% ----------------------------------------------------------------- %%% Poller process %%% start_pollers(N, Args) -> start_pollers(N, Args, []). start_pollers(0, _Args, Pollers) -> Pollers; start_pollers(N, Args, Pollers) -> Pid = proc_lib:spawn_link(?MODULE, poller_main, Args), start_pollers(N-1, Args, [#stat{pid = Pid} | Pollers]). stop_pollers(Pollers) -> [Pid ! stop || #stat{pid = Pid} <- Pollers], await_stop_pollers(Pollers). await_stop_pollers([]) -> ok; await_stop_pollers(Pollers0) -> receive {'EXIT', Pid, _Reason} -> Pollers = lists:keydelete(Pid, 2, Pollers0), await_stop_pollers(Pollers) after 5000 -> [Pid ! shutdown || #stat{pid = Pid} <- Pollers0] end. is_poller(_, []) -> false; is_poller(Pid, [#stat{pid = Pid}|_]) -> true; is_poller(Pid, [_|Rest]) -> is_poller(Pid, Rest). poller_main(Parent, SocketType, Host, Port) -> process_flag(trap_exit,true), put(sname, poller), case timer:tc(?MODULE, poller_loop, [SocketType, Host, Port, uris()]) of {Time, Count} when is_integer(Time) andalso is_integer(Count) -> Parent ! {poller_statistics, self(), {Time, Count}}; {Time, {'EXIT', Reason}} when is_integer(Time) -> exit({poller_stat_failure, SocketType, Host, Port, Time, Reason}); {Time, Other} when is_integer(Time) -> Parent ! {poller_stat_failure, self(), {SocketType, Host, Port, Time, Other}}; Else -> Parent ! {poller_stat_failure, self(), SocketType, Host, Port, Else} end. uris() -> uris(get(uris)). uris(L) when is_list(L) -> L; uris(_) -> ["/", "/index.html"]. poller_loop(SocketType, Host, Port, URIs) -> poller_loop(SocketType, Host, Port, URIs, 0). poller_loop(SocketType, Host, Port, URIs, Count) -> receive stop -> Count after 0 -> case poller_loop1(SocketType, Host, Port, URIs) of done -> poller_loop(SocketType, Host, Port, URIs, Count + length(URIs)); {error, Reason, FailURI, FailURIs} -> SuccessCount = Count + (length(URIs) - (length(FailURIs) + 1)), exit({Reason, FailURI, SuccessCount}) end end. poller_loop1(_SocketType, _Host, _Port, []) -> done; poller_loop1(SocketType, Host, Port, [URI | URIs]) -> Res = inets_test_lib:connect_byte(SocketType, Host, Port), case (catch poll(Res, SocketType, URI, "200")) of ok -> poller_loop1(SocketType, Host, Port, URIs); {'EXIT', Reason} -> {error, Reason, URI, URIs} end. poll({ok, Socket}, SocketType, URI, ExpRes) -> Req = "GET " ++ URI ++ " HTTP/1.0\r\n\r\n", Res = inets_test_lib:send(SocketType, Socket, Req), await_poll_response(Res, SocketType, Socket, ExpRes); poll({error, Reason}, _SocketType, _URI, _ExpRes) -> exit({failed_creating_socket, Reason}); poll(Error, _SocketType, _URI, _ExpRes) -> exit({failed_creating_socket, Error}). await_poll_response(ok, SocketType, Socket, ExpStatusCode) -> receive %% SSL receives {ssl, Socket, Data} -> validate(ExpStatusCode, SocketType, Socket, Data); {ssl_closed, Socket} -> exit(connection_closed); {ssl_error, Socket, Error} -> exit({connection_error, Error}); %% TCP receives {tcp, Socket, Response} -> validate(ExpStatusCode, SocketType, Socket, Response); {tcp_closed, Socket} -> exit(connection_closed); {tcp_error, Socket, Error} -> exit({connection_error, Error}) after 10000 -> exit(response_timed_out) end; await_poll_response(Error, _SocketType, _Socket, _ExpStatusCode) -> exit(Error). validate(ExpStatusCode, SocketType, Socket, Response) -> Sz = sz(Response), trash_the_rest(Socket, Sz), inets_test_lib:close(SocketType, Socket), case inets_regexp:split(Response," ") of {ok,["HTTP/1.0", ExpStatusCode|_]} -> ok; {ok,["HTTP/1.0", StatusCode|_]} -> error_msg("Unexpected status code: ~p (~s). " "Expected status code: ~p (~s)", [StatusCode, status_to_message(StatusCode), ExpStatusCode, status_to_message(ExpStatusCode)]), exit({unexpected_response_code, StatusCode, ExpStatusCode}); {ok,["HTTP/1.1", ExpStatusCode|_]} -> ok; {ok,["HTTP/1.1", StatusCode|_]} -> error_msg("Unexpected status code: ~p (~s). " "Expected status code: ~p (~s)", [StatusCode, status_to_message(StatusCode), ExpStatusCode, status_to_message(ExpStatusCode)]), exit({unexpected_response_code, StatusCode, ExpStatusCode}); {ok, Unexpected} -> error_msg("Unexpected response split: ~p (~s)", [Unexpected, Response]), exit({unexpected_response, Unexpected, Response}); {error, Reason} -> error_msg("Failed processing response: ~p (~s)", [Reason, Response]), exit({failed_response_processing, Reason, Response}) end. trash_the_rest(Socket, N) -> receive {ssl, Socket, Trash} -> trash_the_rest(Socket, add(N,sz(Trash))); {ssl_closed, Socket} -> N; {ssl_error, Socket, Error} -> exit({connection_error, Error}); {tcp, Socket, Trash} -> trash_the_rest(Socket, add(N,sz(Trash))); {tcp_closed, Socket} -> N; {tcp_error, Socket, Error} -> exit({connection_error, Error}) after 10000 -> exit({connection_timed_out, N}) end. add(N1,N2) when is_integer(N1) andalso is_integer(N2) -> N1 + N2; add(N1,_) when is_integer(N1) -> N1; add(_,N2) when is_integer(N2) -> N2. sz(L) when is_list(L) -> length(lists:flatten(L)); sz(B) when is_binary(B) -> size(B); sz(O) -> {unknown_size,O}. %% -------------------------------------------------------------- %% %% Status code to printable string %% status_to_message(L) when is_list(L) -> case (catch list_to_integer(L)) of I when is_integer(I) -> status_to_message(I); _ -> io_lib:format("UNKNOWN STATUS CODE: '~p'",[L]) end; status_to_message(100) -> "Section 10.1.1: Continue"; status_to_message(101) -> "Section 10.1.2: Switching Protocols"; status_to_message(200) -> "Section 10.2.1: OK"; status_to_message(201) -> "Section 10.2.2: Created"; status_to_message(202) -> "Section 10.2.3: Accepted"; status_to_message(203) -> "Section 10.2.4: Non-Authoritative Information"; status_to_message(204) -> "Section 10.2.5: No Content"; status_to_message(205) -> "Section 10.2.6: Reset Content"; status_to_message(206) -> "Section 10.2.7: Partial Content"; status_to_message(300) -> "Section 10.3.1: Multiple Choices"; status_to_message(301) -> "Section 10.3.2: Moved Permanently"; status_to_message(302) -> "Section 10.3.3: Found"; status_to_message(303) -> "Section 10.3.4: See Other"; status_to_message(304) -> "Section 10.3.5: Not Modified"; status_to_message(305) -> "Section 10.3.6: Use Proxy"; status_to_message(307) -> "Section 10.3.8: Temporary Redirect"; status_to_message(400) -> "Section 10.4.1: Bad Request"; status_to_message(401) -> "Section 10.4.2: Unauthorized"; status_to_message(402) -> "Section 10.4.3: Peyment Required"; status_to_message(403) -> "Section 10.4.4: Forbidden"; status_to_message(404) -> "Section 10.4.5: Not Found"; status_to_message(405) -> "Section 10.4.6: Method Not Allowed"; status_to_message(406) -> "Section 10.4.7: Not Acceptable"; status_to_message(407) -> "Section 10.4.8: Proxy Authentication Required"; status_to_message(408) -> "Section 10.4.9: Request Time-Out"; status_to_message(409) -> "Section 10.4.10: Conflict"; status_to_message(410) -> "Section 10.4.11: Gone"; status_to_message(411) -> "Section 10.4.12: Length Required"; status_to_message(412) -> "Section 10.4.13: Precondition Failed"; status_to_message(413) -> "Section 10.4.14: Request Entity Too Large"; status_to_message(414) -> "Section 10.4.15: Request-URI Too Large"; status_to_message(415) -> "Section 10.4.16: Unsupported Media Type"; status_to_message(416) -> "Section 10.4.17: Requested range not satisfiable"; status_to_message(417) -> "Section 10.4.18: Expectation Failed"; status_to_message(500) -> "Section 10.5.1: Internal Server Error"; status_to_message(501) -> "Section 10.5.2: Not Implemented"; status_to_message(502) -> "Section 10.5.3: Bad Gatteway"; status_to_message(503) -> "Section 10.5.4: Service Unavailable"; status_to_message(504) -> "Section 10.5.5: Gateway Time-out"; status_to_message(505) -> "Section 10.5.6: HTTP Version not supported"; status_to_message(Code) -> io_lib:format("Unknown status code: ~p",[Code]). %% ---------------------------------------------------------------- to(To, Start) -> To - (t() - Start). %% Time in milli seconds t() -> {A,B,C} = erlang:now(), A*1000000000+B*1000+(C div 1000). %% ---------------------------------------------------------------- % close(Socket) -> % gen_tcp:close(Socket). % send(Socket, Data) -> % gen_tcp:send(Socket, Data). hostname() -> {ok, Hostname} = inet:gethostname(), hostname(Hostname). hostname(Hostname) when is_list(Hostname) -> list_to_atom(Hostname); hostname(Hostname) -> Hostname. %% ---------------------------------------------------------------- error_msg(F,A) -> error_logger:error_msg(F ++ "~n",A). d(F) -> d(get(dbg),F,[]). d(F,A) -> d(get(dbg),F,A). d(true, F, A) -> io:format("DBG ~p ~p " ++ F ++ "~n", [self(),get(sname)]++A); d(_,_,_) -> ok.