%%%-------------------------------------------------------------------
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2015-2017. 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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},
{6143, 5, 16#FD9E6B52785CD7BE64D396A599DA4B97CD0BB49183F932A97694D80CA553354DBC26E77B8A0EC002257AADDF6AD27819CE64A06416E4A80B6EA92F28EA8D5B96C774109EEE5816B4B18F84368D1B41864C11AA73D6881675D779B174F6B4E344303F3EFD11BD7DE468467242372FD00908F296F5A2B20E2684F9122D08A46D647B05E298F0BCDAB60468349CCA6DA1B9FEBBC69D256FB9A3F1980F68466364FCEF1C98C1405191A6737A3627BA7F7313A8A18FC0B8521BF3430B1C6805CB44BCEB39904DD30130D24B225B598ED83C5FD757B80189FD9D5C2F9596687C40BAB1C6ED6244944629849D074A4C33FB15DDB3F9760FC59C44BEBB0EC032177147F61789769DAAAE2123CE488F7ECF19BDA051925BA9ED11EAA72DF70C9ECC8F714B4C35728E6679E66A1B56CCAE0FBBD3F9EBF950D4D623ED78E77CC3AD604E91F304EA78CE876F036214BD6F1977BD04C9ADD707D7A3BCCE87AD5D5A11C95E7025B0EA9C649DCB37942A3970A4FB04C284E4DDB4DC90163353B98B1C254FFD28443353F17A87C02E0BDB9F05424CC44C86309F1D73706F039CDAAC3EDC1A64F38FB42707D351DB5360C2680ADC1CC8D1C4AD312ACC904382C26BE33DA0E61429A5940820356ED28586BEB629ED1521D12D25B4DA01926295F3DA504DC9F431B719AC63277BE675E6F6DD4F7499CA11A23744577D653941963E8DAB610F7F226DB52CE5C683F72AEED2B6CE35ED07C29410397A6F7F606477CCC0EDE18CD0D96A7863BC4606193A8799B5AC1EEE6AC5EE36AC3077EC8DAB30EE94434B45B78BC13D96F74D6C4056EAA528CD3C68D308344808819B12F2BFB95A5C1A7DEEE188BF139216DDB7D757D7A50D3C46CE18881D776D617DCFFAA62276045373AA4D9446D7570338F99C0CA8A08851B4F9D388B4C275D3F9B7BA25F235D4329F63F7457C2EB5C68CE2A96D19766F0ED8E19F66DF3C5E29A38795B2F92291BB6EAB6F70A7E89DC9691F28486E9CF87FF11D5DF2E6B030A30B5D476AD59A34EE7262712ED96CEF4A5CAC3F08B3563D44683F746DA094C9CDB34427AF8D8CC2AE1B23C3BEB637},
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