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+%%% File : ibrowse_test.erl
+%%% Author : Chandrashekhar Mullaparthi <chandrashekhar.mullaparthi@t-mobile.co.uk>
+%%% Description : Test ibrowse
+%%% Created : 14 Oct 2003 by Chandrashekhar Mullaparthi <chandrashekhar.mullaparthi@t-mobile.co.uk>
+
+-module(ibrowse_test).
+-export([
+ load_test/3,
+ send_reqs_1/3,
+ do_send_req/2,
+ unit_tests/0,
+ unit_tests/1,
+ unit_tests_1/2,
+ ue_test/0,
+ ue_test/1,
+ verify_chunked_streaming/0,
+ verify_chunked_streaming/1,
+ test_chunked_streaming_once/0,
+ i_do_async_req_list/4,
+ test_stream_once/3,
+ test_stream_once/4,
+ test_20122010/0,
+ test_20122010/1
+ ]).
+
+test_stream_once(Url, Method, Options) ->
+ test_stream_once(Url, Method, Options, 5000).
+
+test_stream_once(Url, Method, Options, Timeout) ->
+ case ibrowse:send_req(Url, [], Method, [], [{stream_to, {self(), once}} | Options], Timeout) of
+ {ibrowse_req_id, Req_id} ->
+ case ibrowse:stream_next(Req_id) of
+ ok ->
+ test_stream_once(Req_id);
+ Err ->
+ Err
+ end;
+ Err ->
+ Err
+ end.
+
+test_stream_once(Req_id) ->
+ receive
+ {ibrowse_async_headers, Req_id, StatCode, Headers} ->
+ io:format("Recvd headers~n~p~n", [{ibrowse_async_headers, Req_id, StatCode, Headers}]),
+ case ibrowse:stream_next(Req_id) of
+ ok ->
+ test_stream_once(Req_id);
+ Err ->
+ Err
+ end;
+ {ibrowse_async_response, Req_id, {error, Err}} ->
+ io:format("Recvd error: ~p~n", [Err]);
+ {ibrowse_async_response, Req_id, Body_1} ->
+ io:format("Recvd body part: ~n~p~n", [{ibrowse_async_response, Req_id, Body_1}]),
+ case ibrowse:stream_next(Req_id) of
+ ok ->
+ test_stream_once(Req_id);
+ Err ->
+ Err
+ end;
+ {ibrowse_async_response_end, Req_id} ->
+ ok
+ end.
+%% 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", [round(trunc((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},
+ {"https://mail.google.com", get},
+ {"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},
+ {"https://github.com", get, [{ssl_options, [{depth, 2}]}]},
+ {local_test_fun, test_20122010, []}
+ ]).
+
+unit_tests() ->
+ unit_tests([]).
+
+unit_tests(Options) ->
+ application:start(crypto),
+ application:start(public_key),
+ application:start(ssl),
+ (catch ibrowse_test_server:start_server(8181, tcp)),
+ ibrowse:start(),
+ Options_1 = Options ++ [{connect_timeout, 5000}],
+ {Pid, Ref} = erlang:spawn_monitor(?MODULE, unit_tests_1, [self(), Options_1]),
+ receive
+ {done, Pid} ->
+ ok;
+ {'DOWN', Ref, _, _, Info} ->
+ io:format("Test process crashed: ~p~n", [Info])
+ after 60000 ->
+ exit(Pid, kill),
+ io:format("Timed out waiting for tests to complete~n", [])
+ end.
+
+unit_tests_1(Parent, Options) ->
+ lists:foreach(fun({local_test_fun, Fun_name, Args}) ->
+ execute_req(local_test_fun, Fun_name, Args);
+ ({Url, Method}) ->
+ execute_req(Url, Method, Options);
+ ({Url, Method, X_Opts}) ->
+ execute_req(Url, Method, X_Opts ++ Options)
+ end, ?TEST_LIST),
+ Parent ! {done, self()}.
+
+verify_chunked_streaming() ->
+ verify_chunked_streaming([]).
+
+verify_chunked_streaming(Options) ->
+ io:format("~nVerifying that chunked streaming is working...~n", []),
+ 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} | Options]),
+ io:format(" Fetching data with streaming as binary...~n", []),
+ Async_response_bin = do_async_req_list(
+ Url, get, [{response_format, binary} | Options]),
+ io:format(" Fetching data with streaming as binary, {active, once}...~n", []),
+ Async_response_bin_once = do_async_req_list(
+ Url, get, [once, {response_format, binary} | Options]),
+ Res1 = compare_responses(Result_without_streaming, Async_response_list, Async_response_bin),
+ Res2 = compare_responses(Result_without_streaming, Async_response_list, Async_response_bin_once),
+ case {Res1, Res2} of
+ {success, success} ->
+ io:format(" Chunked streaming working~n", []);
+ _ ->
+ ok
+ end.
+
+test_chunked_streaming_once() ->
+ test_chunked_streaming_once([]).
+
+test_chunked_streaming_once(Options) ->
+ io:format("~nTesting chunked streaming with the {stream_to, {Pid, once}} option...~n", []),
+ Url = "http://www.httpwatch.com/httpgallery/chunked/",
+ io:format(" URL: ~s~n", [Url]),
+ io:format(" Fetching data with streaming as binary, {active, once}...~n", []),
+ case do_async_req_list(Url, get, [once, {response_format, binary} | Options]) of
+ {ok, _, _, _} ->
+ io:format(" Success!~n", []);
+ Err ->
+ io:format(" Fail: ~p~n", [Err])
+ end.
+
+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,
+ io:format("Body_1 -> ~p~n", [Body_1]),
+ io:format("Body_2 -> ~p~n", [Body_2]),
+ io:format("Body_3 -> ~p~n", [Body_3]),
+ 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;
+ {async_result, Other_pid, _} ->
+ io:format("~p: Waiting for result from ~p: got from ~p~n", [self(), Pid, Other_pid]),
+ wait_for_resp(Pid);
+ {'DOWN', _, _, Pid, Reason} ->
+ {'EXIT', Reason};
+ {'DOWN', _, _, _, _} ->
+ wait_for_resp(Pid);
+ Msg ->
+ io:format("Recvd unknown message: ~p~n", [Msg]),
+ wait_for_resp(Pid)
+ after 100000 ->
+ {error, timeout}
+ end.
+
+i_do_async_req_list(Parent, Url, Method, Options) ->
+ Options_1 = case lists:member(once, Options) of
+ true ->
+ [{stream_to, {self(), once}} | (Options -- [once])];
+ false ->
+ [{stream_to, self()} | Options]
+ end,
+ Res = ibrowse:send_req(Url, [], Method, [], Options_1),
+ case Res of
+ {ibrowse_req_id, Req_id} ->
+ Result = wait_for_async_resp(Req_id, Options, undefined, undefined, []),
+ Parent ! {async_result, self(), Result};
+ Err ->
+ Parent ! {async_result, self(), Err}
+ end.
+
+wait_for_async_resp(Req_id, Options, Acc_Stat_code, Acc_Headers, Body) ->
+ receive
+ {ibrowse_async_headers, Req_id, StatCode, Headers} ->
+ %% io:format("Recvd headers...~n", []),
+ maybe_stream_next(Req_id, Options),
+ wait_for_async_resp(Req_id, Options, StatCode, Headers, Body);
+ {ibrowse_async_response_end, Req_id} ->
+ %% io:format("Recvd end of response.~n", []),
+ Body_1 = list_to_binary(lists:reverse(Body)),
+ {ok, Acc_Stat_code, Acc_Headers, Body_1};
+ {ibrowse_async_response, Req_id, Data} ->
+ maybe_stream_next(Req_id, Options),
+ %% io:format("Recvd data...~n", []),
+ wait_for_async_resp(Req_id, Options, Acc_Stat_code, Acc_Headers, [Data | Body]);
+ {ibrowse_async_response, Req_id, {error, _} = Err} ->
+ {ok, Acc_Stat_code, Acc_Headers, Err};
+ Err ->
+ {ok, Acc_Stat_code, Acc_Headers, Err}
+ after 10000 ->
+ {timeout, Acc_Stat_code, Acc_Headers, Body}
+ end.
+
+maybe_stream_next(Req_id, Options) ->
+ case lists:member(once, Options) of
+ true ->
+ ibrowse:stream_next(Req_id);
+ false ->
+ ok
+ end.
+
+execute_req(local_test_fun, Method, Args) ->
+ io:format(" ~-54.54w: ", [Method]),
+ Result = (catch apply(?MODULE, Method, Args)),
+ io:format("~p~n", [Result]);
+execute_req(Url, Method, Options) ->
+ io:format("~7.7w, ~50.50s: ", [Method, Url]),
+ 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("~p~n", [Err])
+ end.
+
+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]).
+
+%%------------------------------------------------------------------------------
+%%
+%%------------------------------------------------------------------------------
+
+test_20122010() ->
+ test_20122010("http://localhost:8181").
+
+test_20122010(Url) ->
+ {ok, Pid} = ibrowse:spawn_worker_process(Url),
+ Expected_resp = <<"1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-26-27-28-29-30-31-32-33-34-35-36-37-38-39-40-41-42-43-44-45-46-47-48-49-50-51-52-53-54-55-56-57-58-59-60-61-62-63-64-65-66-67-68-69-70-71-72-73-74-75-76-77-78-79-80-81-82-83-84-85-86-87-88-89-90-91-92-93-94-95-96-97-98-99-100">>,
+ Test_parent = self(),
+ Fun = fun() ->
+ do_test_20122010(Url, Pid, Expected_resp, Test_parent)
+ end,
+ Pids = [erlang:spawn_monitor(Fun) || _ <- lists:seq(1,10)],
+ wait_for_workers(Pids).
+
+wait_for_workers([{Pid, _Ref} | Pids]) ->
+ receive
+ {Pid, success} ->
+ wait_for_workers(Pids)
+ after 60000 ->
+ test_failed
+ end;
+wait_for_workers([]) ->
+ success.
+
+do_test_20122010(Url, Pid, Expected_resp, Test_parent) ->
+ do_test_20122010(10, Url, Pid, Expected_resp, Test_parent).
+
+do_test_20122010(0, _Url, _Pid, _Expected_resp, Test_parent) ->
+ Test_parent ! {self(), success};
+do_test_20122010(Rem_count, Url, Pid, Expected_resp, Test_parent) ->
+ {ibrowse_req_id, Req_id} = ibrowse:send_req_direct(
+ Pid,
+ Url ++ "/ibrowse_stream_once_chunk_pipeline_test",
+ [], get, [],
+ [{stream_to, {self(), once}},
+ {inactivity_timeout, 10000},
+ {include_ibrowse_req_id, true}]),
+ do_trace("~p -- sent request ~1000.p~n", [self(), Req_id]),
+ Req_id_str = lists:flatten(io_lib:format("~1000.p",[Req_id])),
+ receive
+ {ibrowse_async_headers, Req_id, "200", Headers} ->
+ case lists:keysearch("x-ibrowse-request-id", 1, Headers) of
+ {value, {_, Req_id_str}} ->
+ ok;
+ {value, {_, Req_id_1}} ->
+ do_trace("~p -- Sent req-id: ~1000.p. Recvd: ~1000.p~n",
+ [self(), Req_id, Req_id_1]),
+ exit(req_id_mismatch)
+ end
+ after 5000 ->
+ do_trace("~p -- response headers not received~n", [self()]),
+ exit({timeout, test_failed})
+ end,
+ do_trace("~p -- response headers received~n", [self()]),
+ ok = ibrowse:stream_next(Req_id),
+ case do_test_20122010_1(Expected_resp, Req_id, []) of
+ true ->
+ do_test_20122010(Rem_count - 1, Url, Pid, Expected_resp, Test_parent);
+ false ->
+ Test_parent ! {self(), failed}
+ end.
+
+do_test_20122010_1(Expected_resp, Req_id, Acc) ->
+ receive
+ {ibrowse_async_response, Req_id, Body_part} ->
+ ok = ibrowse:stream_next(Req_id),
+ do_test_20122010_1(Expected_resp, Req_id, [Body_part | Acc]);
+ {ibrowse_async_response_end, Req_id} ->
+ Acc_1 = list_to_binary(lists:reverse(Acc)),
+ Result = Acc_1 == Expected_resp,
+ do_trace("~p -- End of response. Result: ~p~n", [self(), Result]),
+ Result
+ after 1000 ->
+ exit({timeout, test_failed})
+ end.
+
+do_trace(Fmt, Args) ->
+ do_trace(get(my_trace_flag), Fmt, Args).
+
+do_trace(true, Fmt, Args) ->
+ io:format("~s -- " ++ Fmt, [ibrowse_lib:printable_date() | Args]);
+do_trace(_, _, _) ->
+ ok.
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