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|
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2004-2020. 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(ei_decode_encode_SUITE).
-include_lib("common_test/include/ct.hrl").
-include("ei_decode_encode_SUITE_data/ei_decode_encode_test_cases.hrl").
-export([all/0, suite/0,
init_per_testcase/2,
test_ei_decode_encode/1]).
suite() ->
[{ct_hooks,[ts_install_cth]}].
all() ->
[test_ei_decode_encode].
init_per_testcase(Case, Config) ->
rand:uniform(), % Make sure rand is initialized and seeded.
io:format("** rand seed = ~p\n", [rand:export_seed()]),
runner:init_per_testcase(?MODULE, Case, Config).
%% ---------------------------------------------------------------------------
% NOTE: these types have no meaning on the C side so we pass them
% to C and back just to see they are the same.
%% ######################################################################## %%
test_ei_decode_encode(Config) when is_list(Config) ->
P = runner:start(Config, ?test_ei_decode_encode),
Fun1 = fun (X) -> {X,true} end,
Fun2 = fun runner:init_per_testcase/3,
Pid = self(),
Port = case os:type() of
{win32,_} ->
open_port({spawn,"sort"},[]);
{unix, darwin} ->
open_port({spawn,"/usr/bin/true"},[]);
_ ->
open_port({spawn,"/bin/true"},[])
end,
Ref = make_ref(),
Trace = {1,2,3,self(),4}, % FIXME how to construct?!
BigSmallA = 1696192905348584855517250509684275447603964214606878827319923580493120589769459602596313014087329389174229999430092223701630077631205171572331191216670754029016160388576759960413039261647653627052707047,
BigSmallB = 43581177444506616087519351724629421082877485633442736512567383077022781906420535744195118099822189576169114064491200598595995538299156626345938812352676950427869649947439032133573270227067833308153431095,
BigSmallC = 52751775381034251994634567029696659541685100826881826508158083211003576763074162948462801435204697796532659535818017760528684167216110865807581759669824808936751316879636014972704885388116861127856231,
BigLargeA = 1 bsl 11111 + BigSmallA,
BigLargeB = 1 bsl 11112 + BigSmallB,
BigLargeC = BigSmallA * BigSmallB * BigSmallC * BigSmallA,
send_rec(P, Fun1),
send_rec(P, Fun2),
send_rec(P, Pid),
send_rec(P, Port),
send_rec(P, Ref),
send_rec(P, Trace),
% bigs
send_rec(P, BigSmallA),
send_rec(P, BigSmallB),
send_rec(P, BigSmallC),
send_rec(P, BigLargeA),
send_rec(P, BigLargeB),
send_rec(P, BigLargeC),
%% Test large node containers...
ThisNode = {node(), erlang:system_info(creation)},
TXPid = mk_pid(ThisNode, 32767, 8191),
TXPort = mk_port(ThisNode, 268435455),
TXRef = mk_ref(ThisNode, [262143, 4294967295, 4294967295]),
send_rec(P, TXPid),
send_rec(P, TXPort),
send_rec(P, TXRef),
[begin OtherNode = {gurka@sallad, Creation},
send_rec(P, mk_pid(OtherNode, 32767, 8191)),
send_rec(P, mk_port(OtherNode, 268435455)),
send_rec(P, mk_ref(OtherNode, [262143, 4294967295, 4294967295])),
send_rec(P, mk_ref(OtherNode, [262143, 4294967295, 4294967295, 4294967294, 4294967293])),
void
end || Creation <- [1, 2, 3, 4, 16#adec0ded]],
%% Full 64-bit pids
[send_rec(P, mk_pid({gurka@sallad, 77},
rand:uniform(1 bsl Bits)-1,
rand:uniform(1 bsl Bits)-1))
|| Bits <- lists:seq(16,32)],
%% Full 64-bit ports
[send_rec(P, mk_port({gurka@sallad, 4711},
rand:uniform(1 bsl Bits)-1))
|| Bits <- lists:seq(24,40)],
%% Unicode atoms
[begin send_rec(P, Atom),
send_rec(P, mk_pid({Atom,1}, 23434, 3434)),
send_rec(P, mk_port({Atom,1}, 2343434)),
send_rec(P, mk_ref({Atom,1}, [262143, 8723648, 24097245])),
void
end || Atom <- unicode_atom_data()],
send_rec(P, {}),
send_rec(P, {atom, Pid, Port, Ref}),
send_rec(P, [atom, Pid, Port, Ref]),
send_rec(P, [atom | Fun1]),
send_rec(P, #{}),
send_rec(P, #{key => value}),
send_rec(P, maps:put(Port, Ref, #{key => value, key2 => Pid})),
[send_rec(P, <<16#dec0deb175:B/little>>) || B <- lists:seq(0,48)],
% And last an ugly duckling to test ei_encode_bitstring with bitoffs != 0
encode_bitstring(P),
runner:recv_eot(P),
ok.
encode_bitstring(P) ->
%% Send one bitstring to c-node
Bits = <<16#18f6d4b2907e5c3a1:66>>,
P ! {self(), {command, term_to_binary(Bits, [{minor_version, 2}])}},
%% and then receive and verify a number of different sub-bitstrings
receive_sub_bitstring(P, Bits, 0, bit_size(Bits)).
receive_sub_bitstring(_, _, _, NBits) when NBits < 0 ->
ok;
receive_sub_bitstring(P, Bits, BitOffs, NBits) ->
<<_:BitOffs, Sub:NBits/bits, _/bits>> = Bits,
%%io:format("expecting term_to_binary(~p) = ~p\n", [Sub, term_to_binary(Sub)]),
{_B,Sub} = get_buf_and_term(P),
receive_sub_bitstring(P, Bits, BitOffs+1, NBits - ((NBits div 20)+1)).
%% ######################################################################## %%
% We read two packets for each test, the ei_decode_encode and ei_x_decode_encode version....
send_rec(P, Term) when is_port(P) ->
P ! {self(), {command, term_to_binary(Term, [{minor_version, 2}])}},
{_B,Term} = get_buf_and_term(P).
get_buf_and_term(P) ->
B = get_binaries(P),
case B of
<<131>> ->
io:format("(got single magic, no content)\n",[]),
{B,'$$magic$$'};
<<131,_>> ->
T = binary_to_term(B),
io:format("~w\n~w\n(got magic)\n",[B,T]),
{B,T};
_ ->
B1 = list_to_binary([131,B]), % No magic, add
T = binary_to_term(B1),
%io:format("~w\n~w\n(got no magic)\n",[B,T]),
{B,T}
end.
get_binaries(P) ->
B1 = get_binary(P),
B2 = get_binary(P),
B1 = B2.
get_binary(P) ->
case runner:get_term(P) of
{bytes,L} ->
B = list_to_binary(L),
%%io:format("~w\n",[L]),
% For strange reasons <<131>> show up as <>....
% io:format("~w\n",[B]),
B;
Other ->
Other
end.
%%
%% Node container constructor functions
%%
-define(VERSION_MAGIC, 131).
-define(REFERENCE_EXT, 101).
-define(PORT_EXT, 102).
-define(PID_EXT, 103).
-define(NEW_REFERENCE_EXT, 114).
-define(NEW_PID_EXT, $X).
-define(NEW_PORT_EXT, $Y).
-define(NEWER_REFERENCE_EXT, $Z).
-define(V4_PORT_EXT, $x).
-define(OLD_MAX_PIDS_PORTS, ((1 bsl 28) - 1)).
uint64_be(Uint) when is_integer(Uint), 0 =< Uint, Uint < 1 bsl 64 ->
[(Uint bsr 56) band 16#ff,
(Uint bsr 48) band 16#ff,
(Uint bsr 40) band 16#ff,
(Uint bsr 32) band 16#ff,
(Uint bsr 24) band 16#ff,
(Uint bsr 16) band 16#ff,
(Uint bsr 8) band 16#ff,
Uint band 16#ff];
uint64_be(Uint) ->
exit({badarg, uint64_be, [Uint]}).
uint32_be(Uint) when is_integer(Uint), 0 =< Uint, Uint < 1 bsl 32 ->
[(Uint bsr 24) band 16#ff,
(Uint bsr 16) band 16#ff,
(Uint bsr 8) band 16#ff,
Uint band 16#ff];
uint32_be(Uint) ->
exit({badarg, uint32_be, [Uint]}).
uint16_be(Uint) when is_integer(Uint), 0 =< Uint, Uint < 1 bsl 16 ->
[(Uint bsr 8) band 16#ff,
Uint band 16#ff];
uint16_be(Uint) ->
exit({badarg, uint16_be, [Uint]}).
uint8(Uint) when is_integer(Uint), 0 =< Uint, Uint < 1 bsl 8 ->
Uint band 16#ff;
uint8(Uint) ->
exit({badarg, uint8, [Uint]}).
pid_tag(Creation) when Creation =< 3 -> ?PID_EXT;
pid_tag(_Creation) -> ?NEW_PID_EXT.
enc_creation(Creation) when Creation =< 3 -> uint8(Creation);
enc_creation(Creation) -> uint32_be(Creation).
mk_pid({NodeName, Creation}, Number, Serial) when is_atom(NodeName) ->
<<?VERSION_MAGIC, NodeNameExt/binary>> = term_to_binary(NodeName),
mk_pid({NodeNameExt, Creation}, Number, Serial);
mk_pid({NodeNameExt, Creation}, Number, Serial) ->
case catch binary_to_term(list_to_binary([?VERSION_MAGIC,
pid_tag(Creation),
NodeNameExt,
uint32_be(Number),
uint32_be(Serial),
enc_creation(Creation)])) of
Pid when is_pid(Pid) ->
Pid;
{'EXIT', {badarg, _}} ->
exit({badarg, mk_pid, [{NodeNameExt, Creation}, Number, Serial]});
Other ->
exit({unexpected_binary_to_term_result, Other})
end.
port_tag(Num, Creation) when 0 =< Num, Num =< ?OLD_MAX_PIDS_PORTS, Creation =< 3 ->
?PORT_EXT;
port_tag(Num, _Creation) when 0 =< Num, Num =< ?OLD_MAX_PIDS_PORTS ->
?NEW_PORT_EXT;
port_tag(_Num, _Creation) ->
?V4_PORT_EXT.
mk_port({NodeName, Creation}, Number) when is_atom(NodeName) ->
<<?VERSION_MAGIC, NodeNameExt/binary>> = term_to_binary(NodeName),
mk_port({NodeNameExt, Creation}, Number);
mk_port({NodeNameExt, Creation}, Number) ->
case catch binary_to_term(list_to_binary([?VERSION_MAGIC,
port_tag(Number, Creation),
NodeNameExt,
case Number > ?OLD_MAX_PIDS_PORTS of
true -> uint64_be(Number);
false -> uint32_be(Number)
end,
enc_creation(Creation)])) of
Port when is_port(Port) ->
Port;
{'EXIT', {badarg, _}} ->
exit({badarg, mk_port, [{NodeNameExt, Creation}, Number]});
Other ->
exit({unexpected_binary_to_term_result, Other})
end.
ref_tag(Creation) when Creation =< 3 -> ?NEW_REFERENCE_EXT;
ref_tag(_Creation) -> ?NEWER_REFERENCE_EXT.
mk_ref({NodeName, Creation}, Numbers) when is_atom(NodeName),
is_integer(Creation),
is_list(Numbers) ->
<<?VERSION_MAGIC, NodeNameExt/binary>> = term_to_binary(NodeName),
mk_ref({NodeNameExt, Creation}, Numbers);
mk_ref({NodeNameExt, Creation}, [Number]) when is_binary(NodeNameExt),
is_integer(Creation),
Creation =< 3,
is_integer(Number) ->
case catch binary_to_term(list_to_binary([?VERSION_MAGIC,
?REFERENCE_EXT,
NodeNameExt,
uint32_be(Number),
uint8(Creation)])) of
Ref when is_reference(Ref) ->
Ref;
{'EXIT', {badarg, _}} ->
exit({badarg, mk_ref, [{NodeNameExt, Creation}, [Number]]});
Other ->
exit({unexpected_binary_to_term_result, Other})
end;
mk_ref({NodeNameExt, Creation}, Numbers) when is_binary(NodeNameExt),
is_integer(Creation),
is_list(Numbers) ->
case catch binary_to_term(list_to_binary([?VERSION_MAGIC,
ref_tag(Creation),
uint16_be(length(Numbers)),
NodeNameExt,
enc_creation(Creation),
lists:map(fun (N) ->
uint32_be(N)
end,
Numbers)])) of
Ref when is_reference(Ref) ->
Ref;
{'EXIT', {badarg, _}} ->
exit({badarg, mk_ref, [{NodeNameExt, Creation}, Numbers]});
Other ->
exit({unexpected_binary_to_term_result, Other})
end.
unicode_atom_data() ->
[uc_atup(lists:seq(16#1f600, 16#1f600+254)),
uc_atup(lists:seq(16#1f600, 16#1f600+63)),
uc_atup(lists:seq(1, 255)),
uc_atup(lists:seq(100, 163)),
uc_atup(lists:seq(200, 354)),
uc_atup(lists:seq(200, 263)),
uc_atup(lists:seq(2000, 2254)),
uc_atup(lists:seq(2000, 2063)),
uc_atup(lists:seq(65500, 65754)),
uc_atup(lists:seq(65500, 65563))
| lists:map(fun (N) ->
Pow2 = (1 bsl N),
uc_atup(lists:seq(Pow2 - 127, Pow2 + 127))
end,
lists:seq(7, 20))
].
uc_atup(ATxt) ->
string_to_atom(ATxt).
string_to_atom(String) ->
Utf8List = string_to_utf8_list(String),
Len = length(Utf8List),
TagLen = case Len < 256 of
true -> [119, Len];
false -> [118, Len bsr 8, Len band 16#ff]
end,
binary_to_term(list_to_binary([131, TagLen, Utf8List])).
string_to_utf8_list([]) ->
[];
string_to_utf8_list([CP|CPs]) when is_integer(CP),
0 =< CP,
CP =< 16#7F ->
[CP | string_to_utf8_list(CPs)];
string_to_utf8_list([CP|CPs]) when is_integer(CP),
16#80 =< CP,
CP =< 16#7FF ->
[16#C0 bor (CP bsr 6),
16#80 bor (16#3F band CP)
| string_to_utf8_list(CPs)];
string_to_utf8_list([CP|CPs]) when is_integer(CP),
16#800 =< CP,
CP =< 16#FFFF ->
[16#E0 bor (CP bsr 12),
16#80 bor (16#3F band (CP bsr 6)),
16#80 bor (16#3F band CP)
| string_to_utf8_list(CPs)];
string_to_utf8_list([CP|CPs]) when is_integer(CP),
16#10000 =< CP,
CP =< 16#10FFFF ->
[16#F0 bor (CP bsr 18),
16#80 bor (16#3F band (CP bsr 12)),
16#80 bor (16#3F band (CP bsr 6)),
16#80 bor (16#3F band CP)
| string_to_utf8_list(CPs)].
|
