%%% File : ibrowse_test.erl %%% Author : Chandrashekhar Mullaparthi %%% Description : Test ibrowse %%% Created : 14 Oct 2003 by Chandrashekhar Mullaparthi -module(ibrowse_test). -vsn('$Id: ibrowse_test.erl,v 1.3 2008/05/21 15:28:11 chandrusf Exp $ '). -export([ load_test/3, send_reqs_1/3, do_send_req/2, unit_tests/0, unit_tests/1, drv_ue_test/0, drv_ue_test/1, ue_test/0, ue_test/1, verify_chunked_streaming/0, verify_chunked_streaming/1, i_do_async_req_list/4 ]). -import(ibrowse_lib, [printable_date/0]). %% Use ibrowse:set_max_sessions/3 and ibrowse:set_max_pipeline_size/3 to %% tweak settings before running the load test. The defaults are 10 and 10. load_test(Url, NumWorkers, NumReqsPerWorker) when is_list(Url), is_integer(NumWorkers), is_integer(NumReqsPerWorker), NumWorkers > 0, NumReqsPerWorker > 0 -> proc_lib:spawn(?MODULE, send_reqs_1, [Url, NumWorkers, NumReqsPerWorker]). send_reqs_1(Url, NumWorkers, NumReqsPerWorker) -> Start_time = now(), ets:new(pid_table, [named_table, public]), ets:new(ibrowse_test_results, [named_table, public]), ets:new(ibrowse_errors, [named_table, public, ordered_set]), init_results(), process_flag(trap_exit, true), log_msg("Starting spawning of workers...~n", []), spawn_workers(Url, NumWorkers, NumReqsPerWorker), log_msg("Finished spawning workers...~n", []), do_wait(), End_time = now(), log_msg("All workers are done...~n", []), log_msg("ibrowse_test_results table: ~n~p~n", [ets:tab2list(ibrowse_test_results)]), log_msg("Start time: ~1000.p~n", [calendar:now_to_local_time(Start_time)]), log_msg("End time : ~1000.p~n", [calendar:now_to_local_time(End_time)]), Elapsed_time_secs = trunc(timer:now_diff(End_time, Start_time) / 1000000), log_msg("Elapsed : ~p~n", [Elapsed_time_secs]), log_msg("Reqs/sec : ~p~n", [(NumWorkers*NumReqsPerWorker) / Elapsed_time_secs]), dump_errors(). init_results() -> ets:insert(ibrowse_test_results, {crash, 0}), ets:insert(ibrowse_test_results, {send_failed, 0}), ets:insert(ibrowse_test_results, {other_error, 0}), ets:insert(ibrowse_test_results, {success, 0}), ets:insert(ibrowse_test_results, {retry_later, 0}), ets:insert(ibrowse_test_results, {trid_mismatch, 0}), ets:insert(ibrowse_test_results, {success_no_trid, 0}), ets:insert(ibrowse_test_results, {failed, 0}), ets:insert(ibrowse_test_results, {timeout, 0}), ets:insert(ibrowse_test_results, {req_id, 0}). spawn_workers(_Url, 0, _) -> ok; spawn_workers(Url, NumWorkers, NumReqsPerWorker) -> Pid = proc_lib:spawn_link(?MODULE, do_send_req, [Url, NumReqsPerWorker]), ets:insert(pid_table, {Pid, []}), spawn_workers(Url, NumWorkers - 1, NumReqsPerWorker). do_wait() -> receive {'EXIT', _, normal} -> do_wait(); {'EXIT', Pid, Reason} -> ets:delete(pid_table, Pid), ets:insert(ibrowse_errors, {Pid, Reason}), ets:update_counter(ibrowse_test_results, crash, 1), do_wait(); Msg -> io:format("Recvd unknown message...~p~n", [Msg]), do_wait() after 1000 -> case ets:info(pid_table, size) of 0 -> done; _ -> do_wait() end end. do_send_req(Url, NumReqs) -> do_send_req_1(Url, NumReqs). do_send_req_1(_Url, 0) -> ets:delete(pid_table, self()); do_send_req_1(Url, NumReqs) -> Counter = integer_to_list(ets:update_counter(ibrowse_test_results, req_id, 1)), case ibrowse:send_req(Url, [{"ib_req_id", Counter}], get, [], [], 10000) of {ok, _Status, Headers, _Body} -> case lists:keysearch("ib_req_id", 1, Headers) of {value, {_, Counter}} -> ets:update_counter(ibrowse_test_results, success, 1); {value, _} -> ets:update_counter(ibrowse_test_results, trid_mismatch, 1); false -> ets:update_counter(ibrowse_test_results, success_no_trid, 1) end; {error, req_timedout} -> ets:update_counter(ibrowse_test_results, timeout, 1); {error, send_failed} -> ets:update_counter(ibrowse_test_results, send_failed, 1); {error, retry_later} -> ets:update_counter(ibrowse_test_results, retry_later, 1); Err -> ets:insert(ibrowse_errors, {now(), Err}), ets:update_counter(ibrowse_test_results, other_error, 1), ok end, do_send_req_1(Url, NumReqs-1). dump_errors() -> case ets:info(ibrowse_errors, size) of 0 -> ok; _ -> {A, B, C} = now(), Filename = lists:flatten( io_lib:format("ibrowse_errors_~p_~p_~p.txt" , [A, B, C])), case file:open(Filename, [write, delayed_write, raw]) of {ok, Iod} -> dump_errors(ets:first(ibrowse_errors), Iod); Err -> io:format("failed to create file ~s. Reason: ~p~n", [Filename, Err]), ok end end. dump_errors('$end_of_table', Iod) -> file:close(Iod); dump_errors(Key, Iod) -> [{_, Term}] = ets:lookup(ibrowse_errors, Key), file:write(Iod, io_lib:format("~p~n", [Term])), dump_errors(ets:next(ibrowse_errors, Key), Iod). %%------------------------------------------------------------------------------ %% Unit Tests %%------------------------------------------------------------------------------ -define(TEST_LIST, [{"http://intranet/messenger", get}, {"http://www.google.co.uk", get}, {"http://www.google.com", get}, {"http://www.google.com", options}, {"http://www.sun.com", get}, {"http://www.oracle.com", get}, {"http://www.bbc.co.uk", get}, {"http://www.bbc.co.uk", trace}, {"http://www.bbc.co.uk", options}, {"http://yaws.hyber.org", get}, {"http://jigsaw.w3.org/HTTP/ChunkedScript", get}, {"http://jigsaw.w3.org/HTTP/TE/foo.txt", get}, {"http://jigsaw.w3.org/HTTP/TE/bar.txt", get}, {"http://jigsaw.w3.org/HTTP/connection.html", get}, {"http://jigsaw.w3.org/HTTP/cc.html", get}, {"http://jigsaw.w3.org/HTTP/cc-private.html", get}, {"http://jigsaw.w3.org/HTTP/cc-proxy-revalidate.html", get}, {"http://jigsaw.w3.org/HTTP/cc-nocache.html", get}, {"http://jigsaw.w3.org/HTTP/h-content-md5.html", get}, {"http://jigsaw.w3.org/HTTP/h-retry-after.html", get}, {"http://jigsaw.w3.org/HTTP/h-retry-after-date.html", get}, {"http://jigsaw.w3.org/HTTP/neg", get}, {"http://jigsaw.w3.org/HTTP/negbad", get}, {"http://jigsaw.w3.org/HTTP/400/toolong/", get}, {"http://jigsaw.w3.org/HTTP/300/", get}, {"http://jigsaw.w3.org/HTTP/Basic/", get, [{basic_auth, {"guest", "guest"}}]}, {"http://jigsaw.w3.org/HTTP/CL/", get}, {"http://www.httpwatch.com/httpgallery/chunked/", get} ]). unit_tests() -> unit_tests([]). unit_tests(Options) -> lists:foreach(fun({Url, Method}) -> execute_req(Url, Method, Options); ({Url, Method, X_Opts}) -> execute_req(Url, Method, X_Opts ++ Options) end, ?TEST_LIST). verify_chunked_streaming() -> verify_chunked_streaming([]). verify_chunked_streaming(Options) -> Url = "http://www.httpwatch.com/httpgallery/chunked/", io:format("URL: ~s~n", [Url]), io:format("Fetching data without streaming...~n", []), Result_without_streaming = ibrowse:send_req( Url, [], get, [], [{response_format, binary} | Options]), io:format("Fetching data with streaming as list...~n", []), Async_response_list = do_async_req_list( Url, get, [{response_format, list}]), io:format("Fetching data with streaming as binary...~n", []), Async_response_bin = do_async_req_list( Url, get, [{response_format, binary}]), compare_responses(Result_without_streaming, Async_response_list, Async_response_bin). compare_responses({ok, St_code, _, Body}, {ok, St_code, _, Body}, {ok, St_code, _, Body}) -> success; compare_responses({ok, St_code, _, Body_1}, {ok, St_code, _, Body_2}, {ok, St_code, _, Body_3}) -> case Body_1 of Body_2 -> io:format("Body_1 and Body_2 match~n", []); Body_3 -> io:format("Body_1 and Body_3 match~n", []); _ when Body_2 == Body_3 -> io:format("Body_2 and Body_3 match~n", []); _ -> io:format("All three bodies are different!~n", []) end, fail_bodies_mismatch; compare_responses(R1, R2, R3) -> io:format("R1 -> ~p~n", [R1]), io:format("R2 -> ~p~n", [R2]), io:format("R3 -> ~p~n", [R3]), fail. do_async_req_list(Url) -> do_async_req_list(Url, get). do_async_req_list(Url, Method) -> do_async_req_list(Url, Method, [{stream_to, self()}, {stream_chunk_size, 1000}]). do_async_req_list(Url, Method, Options) -> {Pid,_} = erlang:spawn_monitor(?MODULE, i_do_async_req_list, [self(), Url, Method, Options ++ [{stream_chunk_size, 1000}]]), io:format("Spawned process ~p~n", [Pid]), wait_for_resp(Pid). wait_for_resp(Pid) -> receive {async_result, Pid, Res} -> Res; {'DOWN', _, _, Pid, Reason} -> {'EXIT', Reason}; {'DOWN', _, _, _, _} -> wait_for_resp(Pid); Msg -> io:format("Recvd unknown message: ~p~n", [Msg]), wait_for_resp(Pid) after 10000 -> {error, timeout} end. i_do_async_req_list(Parent, Url, Method, Options) -> Res = ibrowse:send_req(Url, [], Method, [], [{stream_to, self()} | Options]), case Res of {ibrowse_req_id, Req_id} -> Result = wait_for_async_resp(Req_id, undefined, undefined, []), Parent ! {async_result, self(), Result}; Err -> Parent ! {async_result, self(), Err} end. wait_for_async_resp(Req_id, Acc_Stat_code, Acc_Headers, Body) -> receive {ibrowse_async_headers, Req_id, StatCode, Headers} -> wait_for_async_resp(Req_id, StatCode, Headers, Body); {ibrowse_async_response, Req_id, {chunk_start, _}} -> wait_for_async_resp(Req_id, Acc_Stat_code, Acc_Headers, Body); {ibrowse_async_response, Req_id, chunk_end} -> wait_for_async_resp(Req_id, Acc_Stat_code, Acc_Headers, Body); {ibrowse_async_response_end, Req_id} -> Body_1 = list_to_binary(lists:reverse(Body)), {ok, Acc_Stat_code, Acc_Headers, Body_1}; {ibrowse_async_response, Req_id, Data} -> wait_for_async_resp(Req_id, Acc_Stat_code, Acc_Headers, [Data | Body]); Err -> {ok, Acc_Stat_code, Acc_Headers, Err} end. execute_req(Url, Method, Options) -> io:format("~s, ~p: ", [Url, Method]), Result = (catch ibrowse:send_req(Url, [], Method, [], Options)), case Result of {ok, SCode, _H, _B} -> io:format("Status code: ~p~n", [SCode]); Err -> io:format("Err -> ~p~n", [Err]) end. drv_ue_test() -> drv_ue_test(lists:duplicate(1024, 127)). drv_ue_test(Data) -> [{port, Port}| _] = ets:lookup(ibrowse_table, port), % erl_ddll:unload_driver("ibrowse_drv"), % timer:sleep(1000), % erl_ddll:load_driver("../priv", "ibrowse_drv"), % Port = open_port({spawn, "ibrowse_drv"}, []), {Time, Res} = timer:tc(ibrowse_lib, drv_ue, [Data, Port]), io:format("Time -> ~p~n", [Time]), io:format("Data Length -> ~p~n", [length(Data)]), io:format("Res Length -> ~p~n", [length(Res)]). % io:format("Result -> ~s~n", [Res]). ue_test() -> ue_test(lists:duplicate(1024, $?)). ue_test(Data) -> {Time, Res} = timer:tc(ibrowse_lib, url_encode, [Data]), io:format("Time -> ~p~n", [Time]), io:format("Data Length -> ~p~n", [length(Data)]), io:format("Res Length -> ~p~n", [length(Res)]). % io:format("Result -> ~s~n", [Res]). log_msg(Fmt, Args) -> io:format("~s -- " ++ Fmt, [ibrowse_lib:printable_date() | Args]).