%%%------------------------------------------------------------------- %% %CopyrightBegin% %% %% Copyright Ericsson AB 2015-2016. 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% %% -module(ssh_benchmark_SUITE). -compile(export_all). -include_lib("common_test/include/ct_event.hrl"). -include_lib("common_test/include/ct.hrl"). -include_lib("ssh/src/ssh.hrl"). -include_lib("ssh/src/ssh_transport.hrl"). -include_lib("ssh/src/ssh_connect.hrl"). -include_lib("ssh/src/ssh_userauth.hrl"). suite() -> [{ct_hooks,[{ts_install_cth,[{nodenames,2}]}]}, {timetrap,{minutes,6}} ]. %%suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> [{group, opensshc_erld} %% {group, erlc_opensshd} ]. groups() -> [{opensshc_erld, [{repeat, 3}], [openssh_client_shell, openssh_client_sftp]} ]. init_per_suite(Config) -> catch ssh:stop(), try report_client_algorithms(), ok = ssh:start(), {ok,TracerPid} = erlang_trace(), [{tracer_pid,TracerPid} | init_sftp_dirs(Config)] catch C:E -> {skip, io_lib:format("Couldn't start ~p:~p",[C,E])} end. end_per_suite(_Config) -> catch ssh:stop(), ok. init_per_group(opensshc_erld, Config) -> case ssh_test_lib:ssh_type() of openSSH -> DataDir = proplists:get_value(data_dir, Config), UserDir = proplists:get_value(priv_dir, Config), ssh_test_lib:setup_dsa(DataDir, UserDir), ssh_test_lib:setup_rsa(DataDir, UserDir), ssh_test_lib:setup_ecdsa("256", DataDir, UserDir), Common = ssh_test_lib:intersect_bi_dir( ssh_test_lib:intersection(ssh:default_algorithms(), ssh_test_lib:default_algorithms(sshc))), [{c_kexs, ssh_test_lib:sshc(kex)}, {c_ciphers, ssh_test_lib:sshc(cipher)}, {common_algs, Common} | Config]; _ -> {skip, "No OpenSsh client found"} end; init_per_group(erlc_opensshd, _) -> {skip, "Group erlc_opensshd not implemented"}; init_per_group(_GroupName, Config) -> Config. end_per_group(_GroupName, _Config) -> ok. init_per_testcase(_Func, Conf) -> Conf. end_per_testcase(_Func, _Conf) -> ok. init_sftp_dirs(Config) -> UserDir = proplists:get_value(priv_dir, Config), SrcDir = filename:join(UserDir, "sftp_src"), ok = file:make_dir(SrcDir), SrcFile = "big_data", DstDir = filename:join(UserDir, "sftp_dst"), ok = file:make_dir(DstDir), N = 100 * 1024*1024, ok = file:write_file(filename:join(SrcDir,SrcFile), crypto:strong_rand_bytes(N)), [{sftp_src_dir,SrcDir}, {sftp_dst_dir,DstDir}, {src_file,SrcFile}, {sftp_size,N} | Config]. %%%================================================================ openssh_client_shell(Config) -> lists:foreach( fun(PrefAlgs=[{kex,[Kex]}]) when Kex == 'diffie-hellman-group-exchange-sha256' -> lists:foreach( fun(Grp) -> openssh_client_shell(Config, [{preferred_algorithms, PrefAlgs}, {dh_gex_groups, [Grp]} ]) end, moduli()); (PrefAlgs) -> openssh_client_shell(Config, [{preferred_algorithms, PrefAlgs}]) end, variants(kex,Config) ++ variants(cipher,Config) ). openssh_client_shell(Config, Options) -> SystemDir = proplists:get_value(data_dir, Config), UserDir = proplists:get_value(priv_dir, Config), KnownHosts = filename:join(UserDir, "known_hosts"), {ok, TracerPid} = erlang_trace(), {ServerPid, _Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir}, {public_key_alg, ssh_dsa}, {failfun, fun ssh_test_lib:failfun/2} | Options]), ct:sleep(500), Data = lists:duplicate(100000, $a), Cmd = lists:concat(["ssh -p ",Port, " -o UserKnownHostsFile=", KnownHosts, " -o \"StrictHostKeyChecking no\"", " localhost '\"",Data,"\"'."]), %% ct:pal("Cmd ="++Cmd), Parent = self(), SlavePid = spawn(fun() -> Parent ! {self(),os:cmd(Cmd)} end), receive {SlavePid, _ClientResponse} -> %% ct:pal("ClientResponse = ~p",[_ClientResponse]), {ok, List} = get_trace_list(TracerPid), Times = find_times(List, [accept_to_hello, kex, kex_to_auth, auth, to_prompt]), Algs = find_algs(List), ct:pal("Algorithms = ~p~n~nTimes = ~p",[Algs,Times]), lists:foreach( fun({Tag,Value,Unit}) -> EventData = case Tag of {A,B} when A==encrypt ; A==decrypt -> [{value, Value}, {suite, ?MODULE}, {name, mk_name(["Cipher ",A," ",B," [",Unit,"]"])} ]; kex -> KexAlgStr = fmt_alg(Algs#alg.kex, List), [{value, Value}, {suite, ?MODULE}, {name, mk_name(["Erl server kex ",KexAlgStr," [",Unit,"]"])} ]; _ when is_atom(Tag) -> [{value, Value}, {suite, ?MODULE}, {name, mk_name(["Erl server ",Tag," [",Unit,"]"])} ] end, ct:pal("ct_event:notify ~p",[EventData]), ct_event:notify(#event{name = benchmark_data, data = EventData}) end, Times), ssh:stop_daemon(ServerPid), ok after 60*1000 -> ssh:stop_daemon(ServerPid), exit(SlavePid, kill), {fail, timeout} end. %%%================================================================ openssh_client_sftp(Config) -> lists:foreach( fun(PrefAlgs) -> openssh_client_sftp(Config, [{preferred_algorithms,PrefAlgs}]) end, variants(cipher,Config)). openssh_client_sftp(Config, Options) -> SystemDir = proplists:get_value(data_dir, Config), UserDir = proplists:get_value(priv_dir, Config), SftpSrcDir = proplists:get_value(sftp_src_dir, Config), SrcFile = proplists:get_value(src_file, Config), SrcSize = proplists:get_value(sftp_size, Config), KnownHosts = filename:join(UserDir, "known_hosts"), {ok, TracerPid} = erlang_trace(), {ServerPid, _Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir}, {public_key_alg, ssh_dsa}, {subsystems,[ssh_sftpd:subsystem_spec([%{cwd, SftpSrcDir}, {root, SftpSrcDir}])]}, {failfun, fun ssh_test_lib:failfun/2} | Options]), ct:pal("ServerPid = ~p",[ServerPid]), ct:sleep(500), Cmd = lists:concat(["sftp", " -b -", " -P ",Port, " -o UserKnownHostsFile=", KnownHosts, " -o \"StrictHostKeyChecking no\"", " localhost:",SrcFile ]), %% ct:pal("Cmd = ~p",[Cmd]), Parent = self(), SlavePid = spawn(fun() -> Parent ! {self(),os:cmd(Cmd)} end), receive {SlavePid, _ClientResponse} -> ct:pal("ClientResponse = ~p~nServerPid = ~p",[_ClientResponse,ServerPid]), {ok, List} = get_trace_list(TracerPid), %%ct:pal("List=~p",[List]), Times = find_times(List, [channel_open_close]), Algs = find_algs(List), ct:pal("Algorithms = ~p~n~nTimes = ~p",[Algs,Times]), lists:foreach( fun({{A,B},Value,Unit}) when A==encrypt ; A==decrypt -> Data = [{value, Value}, {suite, ?MODULE}, {name, mk_name(["Sftp Cipher ",A," ",B," [",Unit,"]"])} ], ct:pal("sftp ct_event:notify ~p",[Data]), ct_event:notify(#event{name = benchmark_data, data = Data}); ({channel_open_close,Value,Unit}) -> Cipher = fmt_alg(Algs#alg.encrypt, List), Data = [{value, round( (1024*Value) / SrcSize )}, {suite, ?MODULE}, {name, mk_name(["Sftp transfer ",Cipher," [",Unit," per kbyte]"])} ], ct:pal("sftp ct_event:notify ~p",[Data]), ct_event:notify(#event{name = benchmark_data, data = Data}); (_) -> skip end, Times), ssh:stop_daemon(ServerPid), ok after 2*60*1000 -> ssh:stop_daemon(ServerPid), exit(SlavePid, kill), {fail, timeout} end. %%%================================================================ variants(Tag, Config) -> TagType = case proplists:get_value(Tag, ssh:default_algorithms()) of [{_,_}|_] -> one_way; [A|_] when is_atom(A) -> two_way end, [ [{Tag,tag_value(TagType,Alg)}] || Alg <- proplists:get_value(Tag, proplists:get_value(common_algs,Config)) ]. tag_value(two_way, Alg) -> [Alg]; tag_value(one_way, Alg) -> [{client2server,[Alg]}, {server2client,[Alg]}]. %%%---------------------------------------------------------------- fmt_alg(Alg, List) when is_atom(Alg) -> fmt_alg(atom_to_list(Alg), List); fmt_alg(Alg = "diffie-hellman-group-exchange-sha" ++ _, List) -> try integer_to_list(find_gex_size_string(List)) of GexSize -> lists:concat([Alg," ",GexSize]) catch _:_ -> Alg end; fmt_alg(Alg, _List) -> Alg. %%%---------------------------------------------------------------- mk_name(Name) -> [char(C) || C <- lists:concat(Name)]. char($-) -> $_; char(C) -> C. %%%---------------------------------------------------------------- find_times(L, Xs) -> [find_time(X,L) || X <- Xs] ++ function_algs_times_sizes([{ssh_transport,encrypt,2}, {ssh_transport,decrypt,2}, {ssh_message,decode,1}, {ssh_message,encode,1}], L). -record(call, { mfa, pid, t_call, t_return, args, result }). %%%---------------- -define(send(M), fun(C=#call{mfa = {ssh_message,encode,1}, args = [M]}) -> C#call.t_return end). -define(recv(M), fun(C=#call{mfa = {ssh_message,decode,1}, result = M}) -> C#call.t_call end). find_time(accept_to_hello, L) -> [T0,T1] = find([fun(C=#call{mfa = {ssh_acceptor,handle_connection,5}}) -> C#call.t_call end, ?LINE, fun(C=#call{mfa = {ssh_connection_handler,handle_event,4}, args = [_, {version_exchange,_}, {hello,_}, _]}) -> C#call.t_call end, ?LINE ], L, []), {accept_to_hello, now2micro_sec(now_diff(T1,T0)), microsec}; find_time(kex, L) -> [T0,T1] = find([fun(C=#call{mfa = {ssh_connection_handler,handle_event,4}, args = [_, {version_exchange,_}, {hello,_}, _]}) -> C#call.t_call end, ?LINE, ?send(#ssh_msg_newkeys{}), ?LINE ], L, []), {kex, now2micro_sec(now_diff(T1,T0)), microsec}; find_time(kex_to_auth, L) -> [T0,T1] = find([?send(#ssh_msg_newkeys{}), ?LINE, ?recv(#ssh_msg_userauth_request{}), ?LINE ], L, []), {kex_to_auth, now2micro_sec(now_diff(T1,T0)), microsec}; find_time(auth, L) -> [T0,T1] = find([?recv(#ssh_msg_userauth_request{}), ?LINE, ?send(#ssh_msg_userauth_success{}), ?LINE ], L, []), {auth, now2micro_sec(now_diff(T1,T0)), microsec}; find_time(to_prompt, L) -> [T0,T1] = find([fun(C=#call{mfa = {ssh_acceptor,handle_connection,5}}) -> C#call.t_call end, ?LINE, ?recv(#ssh_msg_channel_request{request_type="env"}), ?LINE ], L, []), {to_prompt, now2micro_sec(now_diff(T1,T0)), microsec}; find_time(channel_open_close, L) -> [T0,T1] = find([?recv(#ssh_msg_channel_request{request_type="subsystem"}), ?LINE, ?send(#ssh_msg_channel_close{}), ?LINE ], L, []), {channel_open_close, now2micro_sec(now_diff(T1,T0)), microsec}. find([F,Id|Fs], [C|Cs], Acc) when is_function(F,1) -> try F(C) of T -> find(Fs, Cs, [T|Acc]) catch _:_ -> find([F,Id|Fs], Cs, Acc) end; find([], _, Acc) -> lists:reverse(Acc). find_algs(L) -> {value, #call{result={ok,Algs}}} = lists:keysearch({ssh_transport,select_algorithm,3}, #call.mfa, L), Algs. find_gex_size_string(L) -> %% server {value, #call{result={ok,{Size, _}}}} = lists:keysearch({public_key,dh_gex_group,4}, #call.mfa, L), Size. %%%---------------- function_algs_times_sizes(EncDecs, L) -> Raw = [begin {Tag,Size} = function_ats_result(EncDec, C), {Tag, Size, now2micro_sec(now_diff(T1,T0))} end || EncDec <- EncDecs, C = #call{mfa = ED, % args = Args, %%[S,Data], t_call = T0, t_return = T1} <- L, ED == EncDec ], [{Alg, round(1024*Time/Size), "microsec per kbyte"} % Microseconds per 1k bytes. || {Alg,Size,Time} <- lists:foldl(fun increment/2, [], Raw)]. function_ats_result({ssh_transport,encrypt,2}, #call{args=[S,Data]}) -> {{encrypt,S#ssh.encrypt}, size(Data)}; function_ats_result({ssh_transport,decrypt,2}, #call{args=[S,Data]}) -> {{decrypt,S#ssh.decrypt}, size(Data)}; function_ats_result({ssh_message,encode,1}, #call{result=Data}) -> {encode, size(Data)}; function_ats_result({ssh_message,decode,1}, #call{args=[Data]}) -> {decode, size(Data)}. increment({Alg,Sz,T}, [{Alg,SumSz,SumT}|Acc]) -> [{Alg,SumSz+Sz,SumT+T} | Acc]; increment(Spec, [X|Acc]) -> [X | increment(Spec,Acc)]; % Not so many Alg, 2 or 3 increment({Alg,Sz,T},[]) -> [{Alg,Sz,T}]. %%%---------------------------------------------------------------- %%% %%% API for the traceing %%% get_trace_list(TracerPid) -> MonRef = monitor(process, TracerPid), TracerPid ! {get_trace_list,self()}, receive {trace_list,L} -> demonitor(MonRef), {ok, pair_events(lists:reverse(L))}; {'DOWN', MonRef, process, TracerPid, Info} -> {error, {tracer_down,Info}} after 3*60*1000 -> demonitor(MonRef), {error,no_reply} end. erlang_trace() -> TracerPid = spawn(fun trace_loop/0), 0 = erlang:trace(new, true, [call,timestamp,{tracer,TracerPid}]), [init_trace(MFA, tp(MFA)) || MFA <- [{ssh_acceptor,handle_connection,5}, %% {ssh_connection_handler,hello,2}, {ssh_message,encode,1}, {ssh_message,decode,1}, {ssh_transport,select_algorithm,3}, {ssh_transport,encrypt,2}, {ssh_transport,decrypt,2}, {ssh_message,encode,1}, {ssh_message,decode,1}, {public_key,dh_gex_group,4} % To find dh_gex group size ]], init_trace({ssh_connection_handler,handle_event,4}, [{['_', {version_exchange,'_'}, {hello,'_'}, '_'], [], [return_trace]}]), {ok, TracerPid}. tp({_M,_F,Arity}) -> [{lists:duplicate(Arity,'_'), [], [{return_trace}]}]. %%%---------------------------------------------------------------- init_trace(MFA = {Module,_,_}, TP) -> case code:is_loaded(Module) of false -> code:load_file(Module); _ -> ok end, erlang:trace_pattern(MFA, TP, [local]). trace_loop() -> trace_loop([]). trace_loop(L) -> receive {get_trace_list, From} -> From ! {trace_list, L}, trace_loop(L); Ev -> trace_loop([Ev|L]) end. pair_events(L) -> pair_events(L, []). pair_events([{trace_ts,Pid,call,{M,F,Args},TS0} | L], Acc) -> Arity = length(Args), {ReturnValue,TS1} = find_return(Pid, {M,F,Arity}, L), pair_events(L, [#call{mfa = {M,F,Arity}, pid = Pid, t_call = TS0, t_return = TS1, args = Args, result = ReturnValue} | Acc]); pair_events([_|L], Acc) -> pair_events(L, Acc); pair_events([], Acc) -> lists:reverse(Acc). find_return(Pid, MFA, [{trace_ts, Pid, return_from, MFA, ReturnValue, TS}|_]) -> {ReturnValue, TS}; find_return(Pid, MFA, [_|L]) -> find_return(Pid, MFA, L); find_return(_, _, []) -> {undefined, undefined}. %%%---------------------------------------------------------------- report_client_algorithms() -> try ssh_test_lib:extract_algos( ssh_test_lib:default_algorithms(sshc) ) of ClientAlgs -> ct:pal("The client supports:~n~p",[ClientAlgs]) catch Cls:Err -> ct:pal("Testing client about algorithms failed:~n~p ~p",[Cls,Err]) end. %%%---------------------------------------------------------------- now2sec({A,B,C}) -> A*1000000 + B + C/1000000. now2micro_sec({A,B,C}) -> (A*1000000 + B)*1000000 + C. now_diff({A1,B1,C1}, {A0,B0,C0}) -> {A1-A0, B1-B0, C1-C0}. %%%================================================================ moduli() -> [{1023, 5, 16#CF973CD39DC7D62F2C45AAC5180491104C76E0FE5D80A10E6C06AE442F1F373167B0FCBC931F3C157B10A5557008FDE20D68051E6A4DB11CEE0B0749F76D7134B937A59DA998C42BC234A5C1A3CFCD70E624D253D7694076F7B1FD7B8D3427849C9377B3555796ACA58C69DFF542EEEC9859D3ADCE5CC88DF6F7817C9D182EB7}, {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}, {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}, 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