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-rw-r--r--lib/kernel/test/gen_tcp_misc_SUITE.erl315
1 files changed, 315 insertions, 0 deletions
diff --git a/lib/kernel/test/gen_tcp_misc_SUITE.erl b/lib/kernel/test/gen_tcp_misc_SUITE.erl
index 76a9708a58..44e7984401 100644
--- a/lib/kernel/test/gen_tcp_misc_SUITE.erl
+++ b/lib/kernel/test/gen_tcp_misc_SUITE.erl
@@ -31,6 +31,11 @@
init_per_testcase/2, end_per_testcase/2,
otp_3924/1, otp_3924_sender/4, closed_socket/1,
shutdown_active/1, shutdown_passive/1, shutdown_pending/1,
+ show_econnreset_active/1, show_econnreset_active_once/1,
+ show_econnreset_passive/1, econnreset_after_sync_send/1,
+ econnreset_after_async_send_active/1,
+ econnreset_after_async_send_active_once/1,
+ econnreset_after_async_send_passive/1, linger_zero/1,
default_options/1, http_bad_packet/1,
busy_send/1, busy_disconnect_passive/1, busy_disconnect_active/1,
fill_sendq/1, partial_recv_and_close/1,
@@ -94,6 +99,11 @@ all() ->
iter_max_socks, passive_sockets, active_n,
accept_closed_by_other_process, otp_3924, closed_socket,
shutdown_active, shutdown_passive, shutdown_pending,
+ show_econnreset_active, show_econnreset_active_once,
+ show_econnreset_passive, econnreset_after_sync_send,
+ econnreset_after_async_send_active,
+ econnreset_after_async_send_active_once,
+ econnreset_after_async_send_passive, linger_zero,
default_options, http_bad_packet, busy_send,
busy_disconnect_passive, busy_disconnect_active,
fill_sendq, partial_recv_and_close,
@@ -1079,6 +1089,311 @@ shutdown_pending(Config) when is_list(Config) ->
gen_tcp:close(S)
end.
+%%
+%% Test 'show_econnreset' option
+%%
+
+show_econnreset_active(Config) when is_list(Config) ->
+ %% First confirm everything works with option turned off.
+ {ok, L} = gen_tcp:listen(0, []),
+ {ok, Port} = inet:port(L),
+ {ok, Client} = gen_tcp:connect(localhost, Port, [{active, false}]),
+ {ok, S} = gen_tcp:accept(L),
+ ok = gen_tcp:close(L),
+ ok = inet:setopts(Client, [{linger, {true, 0}}]),
+ ok = gen_tcp:close(Client),
+ receive
+ {tcp_closed, S} ->
+ ok;
+ Other ->
+ ?t:fail({unexpected1, Other})
+ after 1000 ->
+ ?t:fail({timeout, {server, no_tcp_closed}})
+ end,
+
+ %% Now test with option switched on.
+ %% Note: We are also testing that the show_econnreset option is
+ %% inherited from the listening socket by the accepting socket.
+ {ok, L1} = gen_tcp:listen(0, [{show_econnreset, true}]),
+ {ok, Port1} = inet:port(L1),
+ {ok, Client1} = gen_tcp:connect(localhost, Port1, [{active, false}]),
+ {ok, S1} = gen_tcp:accept(L1),
+ ok = gen_tcp:close(L1),
+ ok = inet:setopts(Client1, [{linger, {true, 0}}]),
+ ok = gen_tcp:close(Client1),
+ receive
+ {tcp_error, S1, econnreset} ->
+ receive
+ {tcp_closed, S1} ->
+ ok;
+ Other1 ->
+ ?t:fail({unexpected2, Other1})
+ after 1 ->
+ ?t:fail({timeout, {server, no_tcp_closed}})
+ end;
+ Other2 ->
+ ?t:fail({unexpected3, Other2})
+ after 1000 ->
+ ?t:fail({timeout, {server, no_tcp_error}})
+ end.
+
+show_econnreset_active_once(Config) when is_list(Config) ->
+ %% Now test using {active, once}
+ {ok, L} = gen_tcp:listen(0,
+ [{active, false},
+ {show_econnreset, true}]),
+ {ok, Port} = inet:port(L),
+ {ok, Client} = gen_tcp:connect(localhost, Port, [{active, false}]),
+ {ok, S} = gen_tcp:accept(L),
+ ok = gen_tcp:close(L),
+ ok = inet:setopts(Client, [{linger, {true, 0}}]),
+ ok = gen_tcp:close(Client),
+ ok = ?t:sleep(20),
+ ok = receive Msg -> {unexpected_msg, Msg} after 0 -> ok end,
+ ok = inet:setopts(S, [{active, once}]),
+ receive
+ {tcp_error, S, econnreset} ->
+ receive
+ {tcp_closed, S} ->
+ ok;
+ Other1 ->
+ ?t:fail({unexpected1, Other1})
+ after 1 ->
+ ?t:fail({timeout, {server, no_tcp_closed}})
+ end;
+ Other2 ->
+ ?t:fail({unexpected2, Other2})
+ after 1000 ->
+ ?t:fail({timeout, {server, no_tcp_error}})
+ end.
+
+show_econnreset_passive(Config) when is_list(Config) ->
+ %% First confirm everything works with option turned off.
+ {ok, L} = gen_tcp:listen(0, [{active, false}]),
+ {ok, Port} = inet:port(L),
+ {ok, Client} = gen_tcp:connect(localhost, Port, [{active, false}]),
+ {ok, S} = gen_tcp:accept(L),
+ ok = gen_tcp:close(L),
+ ok = inet:setopts(S, [{linger, {true, 0}}]),
+ ok = gen_tcp:close(S),
+ ok = ?t:sleep(1),
+ {error, closed} = gen_tcp:recv(Client, 0),
+
+ %% Now test with option switched on.
+ {ok, L1} = gen_tcp:listen(0, [{active, false}]),
+ {ok, Port1} = inet:port(L1),
+ {ok, Client1} = gen_tcp:connect(localhost, Port1,
+ [{active, false},
+ {show_econnreset, true}]),
+ {ok, S1} = gen_tcp:accept(L1),
+ ok = gen_tcp:close(L1),
+ ok = inet:setopts(S1, [{linger, {true, 0}}]),
+ ok = gen_tcp:close(S1),
+ ok = ?t:sleep(1),
+ {error, econnreset} = gen_tcp:recv(Client1, 0).
+
+econnreset_after_sync_send(Config) when is_list(Config) ->
+ %% First confirm everything works with option turned off.
+ {ok, L} = gen_tcp:listen(0, [{active, false}]),
+ {ok, Port} = inet:port(L),
+ {ok, Client} = gen_tcp:connect(localhost, Port, [{active, false}]),
+ {ok, S} = gen_tcp:accept(L),
+ ok = gen_tcp:close(L),
+ ok = inet:setopts(S, [{linger, {true, 0}}]),
+ ok = gen_tcp:close(S),
+ ok = ?t:sleep(20),
+ {error, closed} = gen_tcp:send(Client, "Whatever"),
+
+ %% Now test with option switched on.
+ {ok, L1} = gen_tcp:listen(0, [{active, false}]),
+ {ok, Port1} = inet:port(L1),
+ {ok, Client1} = gen_tcp:connect(localhost, Port1,
+ [{active, false},
+ {show_econnreset, true}]),
+ {ok, S1} = gen_tcp:accept(L1),
+ ok = gen_tcp:close(L1),
+ ok = inet:setopts(S1, [{linger, {true, 0}}]),
+ ok = gen_tcp:close(S1),
+ ok = ?t:sleep(20),
+ {error, econnreset} = gen_tcp:send(Client1, "Whatever").
+
+econnreset_after_async_send_active(Config) when is_list(Config) ->
+ {OS, _} = os:type(),
+ Payload = lists:duplicate(1024 * 1024, $.),
+
+ %% First confirm everything works with option turned off.
+ {ok, L} = gen_tcp:listen(0, [{active, false}, {recbuf, 4096}]),
+ {ok, Port} = inet:port(L),
+ {ok, Client} = gen_tcp:connect(localhost, Port, [{sndbuf, 4096}]),
+ {ok, S} = gen_tcp:accept(L),
+ ok = gen_tcp:close(L),
+ ok = gen_tcp:send(Client, Payload),
+ case erlang:port_info(Client, queue_size) of
+ {queue_size, N} when N > 0 -> ok;
+ {queue_size, 0} when OS =:= win32 -> ok;
+ {queue_size, 0} = T -> ?t:fail(T)
+ end,
+ ok = gen_tcp:send(S, "Whatever"),
+ ok = ?t:sleep(20),
+ ok = inet:setopts(S, [{linger, {true, 0}}]),
+ ok = gen_tcp:close(S),
+ ok = ?t:sleep(20),
+ receive
+ {tcp, Client, "Whatever"} ->
+ receive
+ {tcp_closed, Client} ->
+ ok;
+ Other1 ->
+ ?t:fail({unexpected1, Other1})
+ end;
+ Other2 ->
+ ?t:fail({unexpected2, Other2})
+ end,
+
+ %% Now test with option switched on.
+ {ok, L1} = gen_tcp:listen(0, [{active, false}, {recbuf, 4096}]),
+ {ok, Port1} = inet:port(L1),
+ {ok, Client1} = gen_tcp:connect(localhost, Port1,
+ [{sndbuf, 4096},
+ {show_econnreset, true}]),
+ {ok, S1} = gen_tcp:accept(L1),
+ ok = gen_tcp:close(L1),
+ ok = gen_tcp:send(Client1, Payload),
+ case erlang:port_info(Client1, queue_size) of
+ {queue_size, N1} when N1 > 0 -> ok;
+ {queue_size, 0} when OS =:= win32 -> ok;
+ {queue_size, 0} = T1 -> ?t:fail(T1)
+ end,
+ ok = gen_tcp:send(S1, "Whatever"),
+ ok = ?t:sleep(20),
+ ok = inet:setopts(S1, [{linger, {true, 0}}]),
+ ok = gen_tcp:close(S1),
+ ok = ?t:sleep(20),
+ receive
+ {tcp, Client1, "Whatever"} ->
+ receive
+ {tcp_error, Client1, econnreset} ->
+ receive
+ {tcp_closed, Client1} ->
+ ok;
+ Other3 ->
+ ?t:fail({unexpected3, Other3})
+ end;
+ Other4 ->
+ ?t:fail({unexpected4, Other4})
+ end;
+ Other5 ->
+ ?t:fail({unexpected5, Other5})
+ end.
+
+econnreset_after_async_send_active_once(Config) when is_list(Config) ->
+ {OS, _} = os:type(),
+ {ok, L} = gen_tcp:listen(0, [{active, false}, {recbuf, 4096}]),
+ {ok, Port} = inet:port(L),
+ {ok, Client} = gen_tcp:connect(localhost, Port,
+ [{active, false},
+ {sndbuf, 4096},
+ {show_econnreset, true}]),
+ {ok,S} = gen_tcp:accept(L),
+ ok = gen_tcp:close(L),
+ Payload = lists:duplicate(1024 * 1024, $.),
+ ok = gen_tcp:send(Client, Payload),
+ case erlang:port_info(Client, queue_size) of
+ {queue_size, N} when N > 0 -> ok;
+ {queue_size, 0} when OS =:= win32 -> ok;
+ {queue_size, 0} = T -> ?t:fail(T)
+ end,
+ ok = gen_tcp:send(S, "Whatever"),
+ ok = ?t:sleep(20),
+ ok = inet:setopts(S, [{linger, {true, 0}}]),
+ ok = gen_tcp:close(S),
+ ok = ?t:sleep(20),
+ ok = receive Msg -> {unexpected_msg, Msg} after 0 -> ok end,
+ ok = inet:setopts(Client, [{active, once}]),
+ receive
+ {tcp_error, Client, econnreset} ->
+ receive
+ {tcp_closed, Client} ->
+ ok;
+ Other ->
+ ?t:fail({unexpected1, Other})
+ end;
+ Other ->
+ ?t:fail({unexpected2, Other})
+ end.
+
+econnreset_after_async_send_passive(Config) when is_list(Config) ->
+ {OS, _} = os:type(),
+ Payload = lists:duplicate(1024 * 1024, $.),
+
+ %% First confirm everything works with option turned off.
+ {ok, L} = gen_tcp:listen(0, [{active, false}, {recbuf, 4096}]),
+ {ok, Port} = inet:port(L),
+ {ok, Client} = gen_tcp:connect(localhost, Port,
+ [{active, false},
+ {sndbuf, 4096}]),
+ {ok, S} = gen_tcp:accept(L),
+ ok = gen_tcp:close(L),
+ ok = inet:setopts(S, [{linger, {true, 0}}]),
+ ok = gen_tcp:send(S, "Whatever"),
+ ok = gen_tcp:send(Client, Payload),
+ case erlang:port_info(Client, queue_size) of
+ {queue_size, N} when N > 0 -> ok;
+ {queue_size, 0} when OS =:= win32 -> ok;
+ {queue_size, 0} = T -> ?t:fail(T)
+ end,
+ ok = gen_tcp:close(S),
+ ok = ?t:sleep(20),
+ {error, closed} = gen_tcp:recv(Client, 0),
+
+ %% Now test with option switched on.
+ {ok, L1} = gen_tcp:listen(0, [{active, false}, {recbuf, 4096}]),
+ {ok, Port1} = inet:port(L1),
+ {ok, Client1} = gen_tcp:connect(localhost, Port1,
+ [{active, false},
+ {sndbuf, 4096},
+ {show_econnreset, true}]),
+ {ok, S1} = gen_tcp:accept(L1),
+ ok = gen_tcp:close(L1),
+ ok = inet:setopts(S1, [{linger, {true, 0}}]),
+ ok = gen_tcp:send(S1, "Whatever"),
+ ok = gen_tcp:send(Client1, Payload),
+ ok = gen_tcp:close(S1),
+ ok = ?t:sleep(20),
+ {error, econnreset} = gen_tcp:recv(Client1, 0).
+
+%%
+%% Test {linger {true, 0}} aborts a connection
+%%
+
+linger_zero(Config) when is_list(Config) ->
+ %% All the econnreset tests will prove that {linger, {true, 0}} aborts
+ %% a connection when the driver queue is empty. We will test here
+ %% that it also works when the driver queue is not empty.
+ {OS, _} = os:type(),
+ {ok, L} = gen_tcp:listen(0, [{active, false},
+ {recbuf, 4096},
+ {show_econnreset, true}]),
+ {ok, Port} = inet:port(L),
+ {ok, Client} = gen_tcp:connect(localhost, Port,
+ [{active, false},
+ {sndbuf, 4096}]),
+ {ok, S} = gen_tcp:accept(L),
+ ok = gen_tcp:close(L),
+ PayloadSize = 1024 * 1024,
+ Payload = lists:duplicate(PayloadSize, $.),
+ ok = gen_tcp:send(Client, Payload),
+ case erlang:port_info(Client, queue_size) of
+ {queue_size, N} when N > 0 -> ok;
+ {queue_size, 0} when OS =:= win32 -> ok;
+ {queue_size, 0} = T -> ?t:fail(T)
+ end,
+ ok = inet:setopts(Client, [{linger, {true, 0}}]),
+ ok = gen_tcp:close(Client),
+ ok = ?t:sleep(1),
+ undefined = erlang:port_info(Client, connected),
+ {error, econnreset} = gen_tcp:recv(S, PayloadSize).
+
%% Thanks to Luke Gorrie. Tests for a very specific problem with
%% corrupt data. The testcase will be killed by the timetrap timeout
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-03 04:04:46 +0000