diff options
Diffstat (limited to 'lib/kernel')
| -rw-r--r-- | lib/kernel/test/gen_tcp_misc_SUITE.erl | 72 |
1 files changed, 71 insertions, 1 deletions
diff --git a/lib/kernel/test/gen_tcp_misc_SUITE.erl b/lib/kernel/test/gen_tcp_misc_SUITE.erl index 93dc2a69d1..a72e76f813 100644 --- a/lib/kernel/test/gen_tcp_misc_SUITE.erl +++ b/lib/kernel/test/gen_tcp_misc_SUITE.erl @@ -42,11 +42,12 @@ 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, + oct_acceptor/1, otp_7731_server/1, zombie_server/2, do_iter_max_socks/2]). init_per_testcase(_Func, Config) when is_list(Config) -> @@ -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() -> @@ -2581,3 +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. |