1 files changed, 536 insertions, 0 deletions
diff --git a/lib/ssh/test/ssh_benchmark_SUITE.erl b/lib/ssh/test/ssh_benchmark_SUITE.erl
new file mode 100644
index 0000000000..fe90da3028
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE.erl
@@ -0,0 +1,536 @@
+%%%-------------------------------------------------------------------
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2015. 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}]}]}].
+%%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 = ?config(data_dir, Config),
+	    UserDir = ?config(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 = ?config(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: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 = ?config(data_dir, Config),
+    UserDir = ?config(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 10000 ->
+	    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 = ?config(data_dir, Config),
+    UserDir = ?config(priv_dir, Config),
+    SftpSrcDir = ?config(sftp_src_dir, Config),
+    SrcFile = ?config(src_file, Config),
+    SrcSize = ?config(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: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",[_ClientResponse]),
+	    {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 10000 ->
+	    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, ?config(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,
+		    fun(C=#call{mfa = {ssh_connection_handler,hello,_},
+				args = [socket_control|_]}) ->
+			    C#call.t_return
+		    end
+		   ], 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,hello,_},
+				args = [socket_control|_]}) ->
+			    C#call.t_call
+		    end,
+		    ?send(#ssh_msg_newkeys{})
+		    ], L, []),
+    {kex, now2micro_sec(now_diff(T1,T0)), microsec};
+find_time(kex_to_auth, L) ->
+    [T0,T1] = find([?send(#ssh_msg_newkeys{}),
+		    ?recv(#ssh_msg_userauth_request{})
+		   ], L, []),
+    {kex_to_auth, now2micro_sec(now_diff(T1,T0)), microsec};
+find_time(auth, L) ->
+    [T0,T1] = find([?recv(#ssh_msg_userauth_request{}),
+		    ?send(#ssh_msg_userauth_success{})
+		   ], 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,
+		    ?recv(#ssh_msg_channel_request{request_type="env"})
+		   ], 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"}),
+		    ?send(#ssh_msg_channel_close{})
+		   ], L, []),
+    {channel_open_close, now2micro_sec(now_diff(T1,T0)), microsec}.
+ 
+
+
+find([F|Fs], [C|Cs], Acc) when is_function(F,1) ->
+    try
+	F(C)
+    of
+	T -> find(Fs, Cs, [T|Acc])
+    catch
+	_:_ -> find([F|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) ->
+    TracerPid ! {get_trace_list,self()},
+    receive
+	{trace_list,L} -> {ok, pair_events(lists:reverse(L))}
+    after 5000 -> {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
+	       ]],
+    {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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