%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2005-2010. 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%
%%
%%
-module(httpd_load).
-include("test_server.hrl").
%% General testcases bodies called from httpd_SUITE
-export([load_test/5]).
%% Help functions
-export([load_test_client/8]).
%%-------------------------------------------------------------------------
%% Test cases starts here.
%%-------------------------------------------------------------------------
load_test(Type, Port, Host, Node, NofTesters) ->
URIs =
[
"/index.html",
"/echo.shtml",
"/",
"/flastmod.shtml",
"/misc/"
],
Fun = fun(Mod, Host1, Port1, Node1, Req, Exp) ->
ok = httpd_test_lib:verify_request(Mod, Host1, Port1,
Node1, Req, Exp)
end,
load_test(Fun, URIs ++ URIs, Type, Host, Port, Node, NofTesters, []).
%%--------------------------------------------------------------------
%% Internal functions
%%--------------------------------------------------------------------
load_test(_, _, _, _, _, _, 0, []) ->
ok;
load_test(Fun, URIs, Type, Host, Port, Node, 0, List) ->
receive
{Pid, done} ->
load_test(Fun, URIs, Type, Host, Port, Node, 0,
lists:delete(Pid, List));
{'EXIT', Pid, normal} ->
load_test(Fun, URIs, Type, Host, Port, Node, 0,
lists:delete(Pid, List));
{'EXIT', Pid, Reason} ->
Str = lists:flatten(io_lib:format("client ~p exited: ~p",
[Pid,Reason])),
test_server:fail(Str);
_ ->
load_test(Fun, URIs, Type, Host, Port, Node, 0, List)
end;
load_test(Fun, URIs, Type, Host, Port, Node, X, List) ->
Pid = spawn_link(?MODULE, load_test_client,
[Fun, URIs, Type, Host, Port, Node, self(), 100]),
load_test(Fun, lists:reverse(URIs), Type, Host, Port, Node, X-1,
[Pid | List]).
load_test_client(_Fun, [], _Type, _Host, _Port, _Node, Boss, _Timeout) ->
load_test_client_done(Boss);
load_test_client(Fun, [URI|URIs], Type, Host, Port, Node, Boss, Timeout) ->
Req = "GET "++URI++" HTTP/1.0\r\nConnection: Close\r\n"
"From: m@erix\r\nReferer: http://www.ericsson.se/\r\n\r\n",
Timeout1 =
case (catch Fun(Type, Host, Port, Node, Req,
[{statuscode, 200}, {statuscode, 500},
{statuscode, 503}, {version, "HTTP/1.0"}])) of
{'EXIT', {suite_failed, connection_closed, _, _}} ->
%% Some platforms seems to handle heavy load badly.
%% So, back off and see if this helps
%%?LOG("load_test_client->requestfailed:connection_closed"[]),
2 * Timeout;
_ ->
Timeout
end,
test_server:sleep(Timeout1),
load_test_client(Fun, URIs, Type, Host, Port, Node, Boss, Timeout1).
load_test_client_done(Boss) ->
Boss ! {self(), done}.
