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-rw-r--r--lib/kernel/test/gen_tcp_misc_SUITE.erl82
1 files changed, 79 insertions, 3 deletions
diff --git a/lib/kernel/test/gen_tcp_misc_SUITE.erl b/lib/kernel/test/gen_tcp_misc_SUITE.erl
index 5d45b91ee5..a72e76f813 100644
--- a/lib/kernel/test/gen_tcp_misc_SUITE.erl
+++ b/lib/kernel/test/gen_tcp_misc_SUITE.erl
@@ -42,12 +42,13 @@
killing_acceptor/1,killing_multi_acceptors/1,killing_multi_acceptors2/1,
several_accepts_in_one_go/1, accept_system_limit/1,
active_once_closed/1, send_timeout/1, send_timeout_active/1,
- otp_7731/1, zombie_sockets/1, otp_7816/1, otp_8102/1,
+ otp_7731/1, zombie_sockets/1, otp_7816/1, otp_8102/1, wrapping_oct/1,
otp_9389/1]).
%% Internal exports.
-export([sender/3, not_owner/1, passive_sockets_server/2, priority_server/1,
- otp_7731_server/1, zombie_server/2]).
+ oct_acceptor/1,
+ otp_7731_server/1, zombie_server/2, do_iter_max_socks/2]).
init_per_testcase(_Func, Config) when is_list(Config) ->
Dog = test_server:timetrap(test_server:seconds(240)),
@@ -75,6 +76,7 @@ all() ->
killing_acceptor, killing_multi_acceptors,
killing_multi_acceptors2, several_accepts_in_one_go, accept_system_limit,
active_once_closed, send_timeout, send_timeout_active, otp_7731,
+ wrapping_oct,
zombie_sockets, otp_7816, otp_8102, otp_9389].
groups() ->
@@ -589,7 +591,13 @@ iter_max_socks(doc) ->
"that we get the same number of sockets every time."];
iter_max_socks(Config) when is_list(Config) ->
N = 20,
- L = do_iter_max_socks(N, initalize),
+ %% Run on a different node in order to limit the effect if this test fails.
+ Dir = filename:dirname(code:which(?MODULE)),
+ {ok,Node} = test_server:start_node(test_iter_max_socks,slave,
+ [{args,"-pa " ++ Dir}]),
+ L = rpc:call(Node,?MODULE,do_iter_max_socks,[N, initalize]),
+ test_server:stop_node(Node),
+
io:format("Result: ~p",[L]),
all_equal(L),
{comment, "Max sockets: " ++ integer_to_list(hd(L))}.
@@ -2575,3 +2583,71 @@ otp_9389_loop(S, OrigLinkHdr, State) ->
3000 ->
?line error({timeout,header})
end.
+
+wrapping_oct(doc) ->
+ "Check that 64bit octet counters work.";
+wrapping_oct(suite) ->
+ [];
+wrapping_oct(Config) when is_list(Config) ->
+ Dog = test_server:timetrap(test_server:seconds(600)),
+ {ok,Sock} = gen_tcp:listen(0,[{active,false},{mode,binary}]),
+ {ok,Port} = inet:port(Sock),
+ spawn_link(?MODULE,oct_acceptor,[Sock]),
+ Res = oct_datapump(Port,16#1FFFFFFFF),
+ gen_tcp:close(Sock),
+ test_server:timetrap_cancel(Dog),
+ ok = Res,
+ ok.
+
+oct_datapump(Port,N) ->
+ {ok,Sock} = gen_tcp:connect("localhost",Port,
+ [{active,false},{mode,binary}]),
+ oct_pump(Sock,N,binary:copy(<<$a:8>>,100000),0).
+
+oct_pump(S,N,_,_) when N =< 0 ->
+ gen_tcp:close(S),
+ ok;
+oct_pump(S,N,Bin,Last) ->
+ case gen_tcp:send(S,Bin) of
+ ok ->
+ {ok,Stat}=inet:getstat(S),
+ {_,R}=lists:keyfind(send_oct,1,Stat),
+ case (R < Last) of
+ true ->
+ io:format("ERROR (output) ~p < ~p~n",[R,Last]),
+ output_counter_error;
+ false ->
+ oct_pump(S,N-byte_size(Bin),Bin,R)
+ end;
+ _ ->
+ input_counter_error
+ end.
+
+
+oct_acceptor(Sock) ->
+ {ok,Data} = gen_tcp:accept(Sock),
+ oct_aloop(Data,0,0).
+
+oct_aloop(S,X,Times) ->
+ case gen_tcp:recv(S,0) of
+ {ok,_} ->
+ {ok,Stat}=inet:getstat(S),
+ {_,R}=lists:keyfind(recv_oct,1,Stat),
+ case (R < X) of
+ true ->
+ io:format("ERROR ~p < ~p~n",[R,X]),
+ gen_tcp:close(S),
+ input_counter_error;
+ false ->
+ case Times rem 16#FFFFF of
+ 0 ->
+ io:format("Read: ~p~n",[R]);
+ _ ->
+ ok
+ end,
+ oct_aloop(S,R,Times+1)
+ end;
+ _ ->
+ gen_tcp:close(S),
+ closed
+ end.