From 1039d05f393d470a1edba93a0026f4fba7d2ce5b Mon Sep 17 00:00:00 2001 From: Micael Karlberg Date: Tue, 16 Apr 2019 13:43:45 +0200 Subject: [socket] Add cancel and the first recvfrom(nowait) cancel test case Add the (public) cancel function and the first of the cancel test cases (recvfrom(nowait)). --- erts/emulator/test/socket_SUITE.erl | 245 +++++++++++++++++++++++++++++++++++- 1 file changed, 244 insertions(+), 1 deletion(-) (limited to 'erts/emulator') diff --git a/erts/emulator/test/socket_SUITE.erl b/erts/emulator/test/socket_SUITE.erl index b63a6fc526..aecd65096e 100644 --- a/erts/emulator/test/socket_SUITE.erl +++ b/erts/emulator/test/socket_SUITE.erl @@ -86,6 +86,11 @@ api_a_sendmsg_and_recvmsg_udp4/1, api_a_send_and_recv_tcp4/1, api_a_sendmsg_and_recvmsg_tcp4/1, + api_a_recvfrom_cancel_udp4/1, + %% api_a_recvmsg_cancel_udp4/1, + %% api_a_accept_cancel_tcp4/1, + %% api_a_recv_cancel_tcp4/1, + %% api_a_recvmsg_cancel_tcp4/1, %% *** API Options *** api_opt_simple_otp_options/1, @@ -672,7 +677,12 @@ api_async_cases() -> api_a_sendto_and_recvfrom_udp4, api_a_sendmsg_and_recvmsg_udp4, api_a_send_and_recv_tcp4, - api_a_sendmsg_and_recvmsg_tcp4 + api_a_sendmsg_and_recvmsg_tcp4, + api_a_recvfrom_cancel_udp4%% , + %% api_a_recvmsg_cancel_udp4, + %% api_a_accept_cancel_tcp4, + %% api_a_recv_cancel_tcp4, + %% api_a_recvmsg_cancel_tcp4 ]. api_options_cases() -> @@ -3682,6 +3692,239 @@ api_a_send_and_recv_tcp(InitState) -> +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Basically we make an async (Timeout = nowait) call to recvfrom, +%% wait some time and then cancel. +%% +api_a_recvfrom_cancel_udp4(suite) -> + []; +api_a_recvfrom_cancel_udp4(doc) -> + []; +api_a_recvfrom_cancel_udp4(_Config) when is_list(_Config) -> + ?TT(?SECS(5)), + tc_try(api_a_recvfrom_cancel_udp4, + fun() -> + Recv = fun(Sock) -> + case socket:recvfrom(Sock, 0, nowait) of + {ok, _} = OK -> + OK; + {error, _} = ERROR -> + ERROR + end + end, + InitState = #{domain => inet, + recv => Recv}, + ok = api_a_recv_cancel_udp(InitState) + end). + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +api_a_recv_cancel_udp(InitState) -> + ServerSeq = + [ + %% *** Wait for start order part *** + #{desc => "await start", + cmd => fun(State) -> + Tester = ?SEV_AWAIT_START(), + {ok, State#{tester => Tester}} + end}, + #{desc => "monitor tester", + cmd => fun(#{tester := Tester} = _State) -> + _MRef = erlang:monitor(process, Tester), + ok + end}, + + %% *** Init part *** + #{desc => "which local address", + cmd => fun(#{domain := Domain} = State) -> + LAddr = which_local_addr(Domain), + LSA = #{family => Domain, addr => LAddr}, + {ok, State#{local_sa => LSA}} + end}, + #{desc => "create socket", + cmd => fun(#{domain := Domain} = State) -> + case socket:open(Domain, dgram, udp) of + {ok, Sock} -> + {ok, State#{sock => Sock}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "bind socket (to local address)", + cmd => fun(#{sock := Sock, local_sa := LSA} = State) -> + case socket:bind(Sock, LSA) of + {ok, Port} -> + {ok, State#{port => Port}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (init)", + cmd => fun(#{tester := Tester, local_sa := LSA, port := Port}) -> + ServerSA = LSA#{port => Port}, + ?SEV_ANNOUNCE_READY(Tester, init, ServerSA), + ok + end}, + + %% The actual test + #{desc => "await continue (recv)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, recv) + end}, + #{desc => "try recv request (with nowait, expect select)", + cmd => fun(#{sock := Sock, recv := Recv} = State) -> + case Recv(Sock) of + {ok, {select, _, RecvRef} = SelectInfo} -> + {ok, State#{recv_select_info => SelectInfo}}; + {ok, X} -> + {error, {unexpected_select_info, X}}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "announce ready (recv_select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, recv_select), + ok + end}, + #{desc => "await select message (without success)", + cmd => fun(#{sock := Sock}) -> + receive + {'$socket', Sock, select, Ref} -> + {error, {unexpected_select, Ref}} + after 5000 -> + ok + end + end}, + #{desc => "announce ready (no select)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, no_select), + ok + end}, + #{desc => "await continue (cancel)", + cmd => fun(#{tester := Tester} = _State) -> + ?SEV_AWAIT_CONTINUE(Tester, tester, cancel) + end}, + #{desc => "cancel", + cmd => fun(#{sock := Sock, recv_select_info := SelectInfo}) -> + ok = socket:cancel(Sock, SelectInfo) + end}, + #{desc => "announce ready (cancel)", + cmd => fun(#{tester := Tester}) -> + ?SEV_ANNOUNCE_READY(Tester, cancel), + ok + end}, + + %% Termination + #{desc => "await terminate (from tester)", + cmd => fun(#{tester := Tester} = State) -> + case ?SEV_AWAIT_TERMINATE(Tester, tester) of + ok -> + State2 = maps:remove(tester, State), + State3 = maps:remove(recv_stag, State2), + State4 = maps:remove(recv_sref, State3), + State5 = maps:remove(req_src, State4), + {ok, State5}; + {error, _} = ERROR -> + ERROR + end + end}, + #{desc => "close socket", + cmd => fun(#{sock := Sock} = State) -> + ok = socket:close(Sock), + {ok, maps:remove(sock, State)} + end}, + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + + TesterSeq = + [ + %% *** Init part *** + #{desc => "monitor server", + cmd => fun(#{server := Pid} = _State) -> + _MRef = erlang:monitor(process, Pid), + ok + end}, + + %% Start the server + #{desc => "order server start", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_START(Pid), + ok + end}, + #{desc => "await server ready (init)", + cmd => fun(#{server := Pid} = State) -> + {ok, ServerSA} = ?SEV_AWAIT_READY(Pid, server, init), + {ok, State#{server_sa => ServerSA}} + end}, + + %% The actual test + #{desc => "order server continue (recv)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, recv), + ok + end}, + #{desc => "await server ready (recv select)", + cmd => fun(#{server := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, server, recv_select) + end}, + #{desc => "await server ready (no select)", + cmd => fun(#{server := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, server, no_select) + end}, + #{desc => "order server continue (cancel)", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_CONTINUE(Pid, cancel), + ok + end}, + #{desc => "await server ready (cancel)", + cmd => fun(#{server := Pid} = _State) -> + ok = ?SEV_AWAIT_READY(Pid, server, cancel) + end}, + + %% Terminations + #{desc => "order server to terminate", + cmd => fun(#{server := Pid} = _State) -> + ?SEV_ANNOUNCE_TERMINATE(Pid), + ok + end}, + #{desc => "await server termination", + cmd => fun(#{server := Pid} = State) -> + case ?SEV_AWAIT_TERMINATION(Pid) of + ok -> + State1 = maps:remove(server, State), + {ok, State1}; + {error, _} = ERROR -> + ERROR + end + end}, + + + %% *** We are done *** + ?SEV_FINISH_NORMAL + ], + + i("start server evaluator"), + ServerInitState = InitState, + Server = ?SEV_START("server", ServerSeq, ServerInitState), + + i("start 'tester' evaluator"), + TesterInitState = #{server => Server#ev.pid}, + Tester = ?SEV_START("tester", TesterSeq, TesterInitState), + + i("await evaluator"), + ok = ?SEV_AWAIT_FINISH([Server, Tester]). + + + + + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% %% -- cgit v1.2.3