%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2005-2010. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% %CopyrightEnd%
%%
-module(send_term_SUITE).
-export([all/0,groups/0,init_per_group/2,end_per_group/2,basic/1]).
-export([init_per_testcase/2,fin_per_testcase/2]).
-export([generate_external_terms_files/1]).
-include_lib("test_server/include/test_server.hrl").
init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) ->
Dog=?t:timetrap(?t:minutes(3)),
[{watchdog, Dog}|Config].
fin_per_testcase(_Func, Config) ->
Dog=?config(watchdog, Config),
?t:timetrap_cancel(Dog).
all() ->
[basic].
groups() ->
[].
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
basic(Config) when is_list(Config) ->
Drv = "send_term_drv",
?line P = start_driver(Config, Drv),
?line [] = term(P, 0),
?line Self = self(),
?line {blurf,42,[],[-42,{}|"abc"++P],"kalle",3.1416,Self} = term(P, 1),
?line Deep = lists:seq(0, 199),
?line Deep = term(P, 2),
?line {B1,B2} = term(P, 3),
?line B1 = list_to_binary(lists:seq(0, 255)),
?line B2 = list_to_binary(lists:seq(23, 255-17)),
%% Pid sending. We need another process.
?line Child = spawn_link(fun() ->
erlang:port_command(P, [4])
end),
?line {Self,Child} = receive_any(),
%% ERL_DRV_EXT2TERM
?line ExpectExt2Term = expected_ext2term_drv(?config(data_dir, Config)),
?line ExpectExt2Term = term(P, 5),
%% ERL_DRV_INT, ERL_DRV_UINT
?line case erlang:system_info({wordsize, external}) of
4 ->
?line {-1, 4294967295} = term(P, 6);
8 ->
?line {-1, 18446744073709551615} = term(P, 6)
end,
%% ERL_DRV_BUF2BINARY
?line ExpectedBinTup = {<<>>,
<<>>,
list_to_binary(lists:duplicate(17,17)),
list_to_binary(lists:duplicate(1024,17))},
?line ExpectedBinTup = term(P, 7),
%% single terms
Singles = [{[], 8}, % ERL_DRV_NIL
{'', 9}, % ERL_DRV_ATOM
{an_atom, 10}, % ERL_DRV_ATOM
{-4711, 11}, % ERL_DRV_INT
{4711, 12}, % ERL_DRV_UINT
{P, 13}, % ERL_DRV_PORT
{<<>>, 14}, % ERL_DRV_BINARY
{<<"hejsan">>, 15}, % ERL_DRV_BINARY
{<<>>, 16}, % ERL_DRV_BUF2BINARY
{<<>>, 17}, % ERL_DRV_BUF2BINARY
{<<"hoppsan">>, 18}, % ERL_DRV_BUF2BINARY
{"", 19}, % ERL_DRV_STRING
{"", 20}, % ERL_DRV_STRING
{"hippsan", 21}, % ERL_DRV_STRING
{{}, 22}, % ERL_DRV_TUPLE
{[], 23}, % ERL_DRV_LIST
{Self, 24}, % ERL_DRV_PID
{[], 25}, % ERL_DRV_STRING_CONS
{[], 27}, % ERL_DRV_EXT2TERM
{18446744073709551615, 28}, % ERL_DRV_UINT64
{20233590931456, 29}, % ERL_DRV_UINT64
{4711, 30}, % ERL_DRV_UINT64
{0, 31}, % ERL_DRV_UINT64
{9223372036854775807, 32}, % ERL_DRV_INT64
{20233590931456, 33}, % ERL_DRV_INT64
{4711, 34}, % ERL_DRV_INT64
{0, 35}, % ERL_DRV_INT64
{-1, 36}, % ERL_DRV_INT64
{-4711, 37}, % ERL_DRV_INT64
{-20233590931456, 38}, % ERL_DRV_INT64
{-9223372036854775808, 39}], % ERL_DRV_INT64
?line {Terms, Ops} = lists:unzip(Singles),
?line Terms = term(P,Ops),
AFloat = term(P, 26), % ERL_DRV_FLOAT
?line true = AFloat < 0.001,
?line true = AFloat > -0.001,
%% Failure cases.
?line [] = term(P, 127),
?line receive
Any ->
?line io:format("Unexpected: ~p\n", [Any]),
?line ?t:fail()
after 0 ->
ok
end,
?line ok = chk_temp_alloc(),
%% In a private heap system, verify that there are no binaries
%% left for the process.
?line erlang:garbage_collect(), %Get rid of binaries.
case erlang:system_info(heap_type) of
private ->
?line {binary,[]} = process_info(self(), binary);
_ -> ok
end,
?line stop_driver(P, Drv),
ok.
term(P, Op) ->
erlang:port_command(P, [Op]),
receive_any().
receive_any() ->
receive
Any -> Any
end.
chk_temp_alloc() ->
case erlang:system_info({allocator,temp_alloc}) of
false ->
%% Temp alloc is not enabled
?line ok;
TIL ->
%% Verify that we havn't got anything allocated by temp_alloc
lists:foreach(
fun ({instance, _, TI}) ->
?line {value, {mbcs, MBCInfo}}
= lists:keysearch(mbcs, 1, TI),
?line {value, {blocks, 0, _, _}}
= lists:keysearch(blocks, 1, MBCInfo),
?line {value, {sbcs, SBCInfo}}
= lists:keysearch(sbcs, 1, TI),
?line {value, {blocks, 0, _, _}}
= lists:keysearch(blocks, 1, SBCInfo)
end,
TIL),
?line ok
end.
%% Start/stop drivers.
start_driver(Config, Name) ->
Path = ?config(data_dir, Config),
erl_ddll:start(),
ok = load_driver(Path, Name),
open_port({spawn, Name}, []).
load_driver(Dir, Driver) ->
case erl_ddll:load_driver(Dir, Driver) of
ok -> ok;
{error, Error} = Res ->
io:format("~s\n", [erl_ddll:format_error(Error)]),
Res
end.
stop_driver(Port, Name) ->
?line true = erlang:port_close(Port),
receive
{Port,Message} ->
?t:fail({strange_message_from_port,Message})
after 0 ->
ok
end,
%% Unload the driver.
ok = erl_ddll:unload_driver(Name),
?line ok = erl_ddll:stop().
get_external_terms(DataDir) ->
{ok, Bin} = file:read_file([DataDir, "ext_terms.bin"]),
binary_to_term(Bin).
expected_ext2term_drv(DataDir) ->
make_expected_ext2term_drv(get_external_terms(DataDir)).
make_expected_ext2term_drv([]) ->
[];
make_expected_ext2term_drv([T|Ts]) ->
[{T, T} | make_expected_ext2term_drv(Ts)].
%%
%% Generation of send_term_SUITE_data/ext_terms.h and
%% send_term_SUITE_data/ext_terms.bin
%%
%% These files should normally not need to be regenerated,
%% but we may want that if we introduce new types or make
%% backward incompatible changes to the external format.
%%
generate_external_terms_files(BaseDir) ->
{ok,Node} = slave:start(hostname(), a_node),
RPid = rpc:call(Node, erlang, self, []),
true = is_pid(RPid),
RRef = rpc:call(Node, erlang, make_ref, []),
true = is_reference(RRef),
RPort = hd(rpc:call(Node, erlang, ports, [])),
true = is_port(RPort),
slave:stop(Node),
Terms =
[{4711, -4711, [an_atom, "a list"]},
[1000000000000000000000,-1111111111111111, "blupp!", blipp],
{RPid, {RRef, RPort}, self(), hd(erlang:ports()), make_ref()},
{{}, [], [], fun () -> ok end, <<"hej hopp trallalaaaaaaaaaaaaaaa">>},
[44444444444444444444444,-44444444444, "b!", blippppppp],
{4711, RPid, {RRef, RPort}, -4711, [an_atom, "a list"]},
{RPid, {RRef, RPort}, hd(processes()), hd(erlang:ports())},
{4711, -4711, [an_atom, "a list"]},
{4711, -4711, [atom, "list"]},
{RPid, {RRef, RPort}, hd(processes()), hd(erlang:ports())},
{4444444444444444444,-44444, {{{{{{{{{{{{}}}}}}}}}}}}, make_ref()},
{444444444444444444444,-44444, [[[[[[[[[[[1]]]]]]]]]]], make_ref()},
{444444444444444444,-44444, {{{{{{{{{{{{2}}}}}}}}}}}}, make_ref()},
{4444444444444444444444,-44444, {{{{{{{{{{{{3}}}}}}}}}}}}, make_ref()},
{44444444444444444444,-44444, {{{{{{{{{{{{4}}}}}}}}}}}}, make_ref()},
{4444444444444444,-44444, [[[[[[[[[[[5]]]]]]]]]]], make_ref()},
{444444444444444444444,-44444, {{{{{{{{{{{{6}}}}}}}}}}}}, make_ref()},
{444444444444444,-44444, {{{{{{{{{{{{7}}}}}}}}}}}}, make_ref()},
{4444444444444444444,-44444, {{{{{{{{{{{{8}}}}}}}}}}}}, make_ref()}],
ok = file:write_file(filename:join([BaseDir,
"send_term_SUITE_data",
"ext_terms.bin"]),
term_to_binary(Terms, [compressed])),
{ok, IoDev} = file:open(filename:join([BaseDir,
"send_term_SUITE_data",
"ext_terms.h"]),
[write]),
write_ext_terms_h(IoDev, Terms),
file:close(IoDev).
write_ext_terms_h(IoDev, Terms) ->
write_license(IoDev),
io:format(IoDev, "#ifndef EXT_TERMS_H__~n",[]),
io:format(IoDev, "#define EXT_TERMS_H__~n",[]),
{ExtTerms, MaxSize} = make_ext_terms(Terms),
io:format(IoDev,
"static struct {~n"
" unsigned char ext[~p];~n"
" int ext_size;~n"
" unsigned char cext[~p];~n"
" int cext_size;~n"
"} ext_terms[] = {~n",[MaxSize, MaxSize]),
E = write_ext_terms_h(IoDev, ExtTerms, 0),
io:format(IoDev, "};~n",[]),
io:format(IoDev, "#define NO_OF_EXT_TERMS ~p~n", [E]),
io:format(IoDev, "#endif~n",[]).
make_ext_terms([]) ->
{[], 0};
make_ext_terms([T|Ts]) ->
E = term_to_binary(T),
ESz = size(E),
CE = term_to_binary(T, [compressed]),
CESz = size(CE),
true = CESz =< ESz, % Assertion
{ExtTerms, MaxSize} = make_ext_terms(Ts),
NewMaxSize = case MaxSize < ESz of
true -> ESz;
false -> MaxSize
end,
{[{E, ESz, CE, CESz} | ExtTerms], NewMaxSize}.
write_ext_terms_h(IoDev, [], N) ->
io:format(IoDev, "~n",[]),
N;
write_ext_terms_h(IoDev, [ET|ETs], 0) ->
write_ext_term(IoDev, ET),
write_ext_terms_h(IoDev, ETs, 1);
write_ext_terms_h(IoDev, [ET|ETs], N) ->
io:format(IoDev, ",~n",[]),
write_ext_term(IoDev, ET),
write_ext_terms_h(IoDev, ETs, N+1).
write_ext_term(IoDev, {E, ESz, CE, CESz}) ->
ESz = write_bytes(IoDev, " {{", binary_to_list(E), 0),
io:format(IoDev,
",~n"
" ~p,~n",
[ESz]),
CESz = write_bytes(IoDev, " {", binary_to_list(CE), 0),
io:format(IoDev,
",~n"
" ~p}",
[CESz]).
write_bytes(IoDev, _, [], N) ->
io:format(IoDev, "}",[]),
N;
write_bytes(IoDev, Prefix, [B|Bs], N) ->
io:format(IoDev, "~s~w", [Prefix, B]),
write_bytes(IoDev, ",", Bs, N+1).
write_license(IoDev) ->
S = "/* ``The contents of this file are subject to the Erlang Public License,~n"
" * Version 1.1, (the \"License\"); you may not use this file except in~n"
" * compliance with the License. You should have received a copy of the~n"
" * Erlang Public License along with this software. If not, it can be~n"
" * retrieved via the world wide web at http://www.erlang.org/.~n"
" * ~n"
" * Software distributed under the License is distributed on an \"AS IS\"~n"
" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See~n"
" * the License for the specific language governing rights and limitations~n"
" * under the License.~n"
" * ~n"
" * The Initial Developer of the Original Code is Ericsson AB.~n"
" * Portions created by Ericsson are Copyright 2007, Ericsson AB.~n"
" * All Rights Reserved.''~n"
" * ~n"
" * $Id$~n"
" */~n"
"~n"
"/*~n"
" * Do not modify this file. This file and ext_terms.bin were~n"
" * automatically generated by send_term_SUITE:generate_external_terms_files/1~n"
" * and needs to be consistent with each other.~n"
" */~n",
io:format(IoDev, S, []).
hostname() ->
hostname(atom_to_list(node())).
hostname([$@ | Hostname]) ->
list_to_atom(Hostname);
hostname([_C | Cs]) ->
hostname(Cs).
