diff options
Diffstat (limited to 'erts/emulator/test/socket_test_ttest_tcp_socket.erl')
| -rw-r--r-- | erts/emulator/test/socket_test_ttest_tcp_socket.erl | 454 |
1 files changed, 382 insertions, 72 deletions
diff --git a/erts/emulator/test/socket_test_ttest_tcp_socket.erl b/erts/emulator/test/socket_test_ttest_tcp_socket.erl index 0ae2412e4c..9112748b4c 100644 --- a/erts/emulator/test/socket_test_ttest_tcp_socket.erl +++ b/erts/emulator/test/socket_test_ttest_tcp_socket.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2018-2018. All Rights Reserved. +%% Copyright Ericsson AB 2018-2019. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -24,7 +24,7 @@ accept/1, accept/2, active/2, close/1, - connect/2, connect/3, + connect/1, connect/2, connect/3, controlling_process/2, listen/0, listen/1, listen/2, port/1, @@ -36,6 +36,8 @@ ]). +-define(LIB, socket_test_lib). + -define(READER_RECV_TIMEOUT, 1000). -define(DATA_MSG(Sock, Method, Data), @@ -55,7 +57,7 @@ %% ========================================================================== -%% This does not really work. Its just a placeholder for the time beeing... +%% This does not really work. Its just a placeholder for the time being... %% getopt(Sock, Opt) when is_atom(Opt) -> %% socket:getopt(Sock, socket, Opt). @@ -66,22 +68,32 @@ %% ========================================================================== -accept(#{sock := LSock, opts := #{method := Method} = Opts}) -> +%% The way we use server async its no point in doing a async accept call +%% (we do never actually run the test with more than one client). +accept(#{sock := LSock, opts := #{async := Async, + method := Method} = Opts}) -> case socket:accept(LSock) of - {ok, Sock} -> + {ok, Sock} -> Self = self(), - Reader = spawn(fun() -> reader_init(Self, Sock, false, Method) end), + Reader = spawn(fun() -> + reader_init(Self, Sock, Async, false, Method) + end), maybe_start_stats_timer(Opts, Reader), {ok, #{sock => Sock, reader => Reader, method => Method}}; {error, _} = ERROR -> ERROR end. -accept(#{sock := LSock, opts := #{method := Method} = Opts}, Timeout) -> +%% If a timeout has been explictly specified, then we do not use +%% async here. We will pass it on to the reader process. +accept(#{sock := LSock, opts := #{async := Async, + method := Method} = Opts}, Timeout) -> case socket:accept(LSock, Timeout) of {ok, Sock} -> Self = self(), - Reader = spawn(fun() -> reader_init(Self, Sock, false, Method) end), + Reader = spawn(fun() -> + reader_init(Self, Sock, Async, false, Method) + end), maybe_start_stats_timer(Opts, Reader), {ok, #{sock => Sock, reader => Reader, method => Method}}; {error, _} = ERROR -> @@ -97,41 +109,92 @@ active(#{reader := Pid}, NewActive) close(#{sock := Sock, reader := Pid}) -> Pid ! {?MODULE, stop}, - socket:close(Sock). + Unlink = case socket:sockname(Sock) of + {ok, #{family := local, path := Path}} -> + fun() -> os:cmd("unlink " ++ Path), ok end; + _ -> + fun() -> ok end + end, + Res = socket:close(Sock), + Unlink(), + Res. %% Create a socket and connect it to a peer -connect(Addr, Port) -> - connect(Addr, Port, #{method => plain}). - -connect(Addr, Port, #{method := Method} = Opts) -> +connect(ServerPath) when is_list(ServerPath) -> + Domain = local, + ClientPath = mk_unique_path(), + LocalSA = #{family => Domain, + path => ClientPath}, + ServerSA = #{family => Domain, path => ServerPath}, + Opts = #{domain => Domain, + proto => default, + method => plain}, + Cleanup = fun() -> os:cmd("unlink " ++ ClientPath), ok end, + do_connect(LocalSA, ServerSA, Cleanup, Opts). + +connect(Addr, Port) when is_tuple(Addr) andalso is_integer(Port) -> + Domain = inet, + LocalSA = any, + ServerSA = #{family => Domain, + addr => Addr, + port => Port}, + Opts = #{domain => Domain, + proto => tcp, + method => plain}, + Cleanup = fun() -> ok end, + do_connect(LocalSA, ServerSA, Cleanup, Opts); +connect(ServerPath, + #{domain := local = Domain} = Opts) + when is_list(ServerPath) -> + ClientPath = mk_unique_path(), + LocalSA = #{family => Domain, + path => ClientPath}, + ServerSA = #{family => Domain, + path => ServerPath}, + Cleanup = fun() -> os:cmd("unlink " ++ ClientPath), ok end, + do_connect(LocalSA, ServerSA, Cleanup, Opts#{proto => default}). + +connect(Addr, Port, #{domain := Domain} = Opts) -> + LocalSA = any, + ServerSA = #{family => Domain, + addr => Addr, + port => Port}, + Cleanup = fun() -> ok end, + do_connect(LocalSA, ServerSA, Cleanup, Opts#{proto => tcp}). + +do_connect(LocalSA, ServerSA, Cleanup, #{domain := Domain, + proto := Proto, + async := Async, + method := Method} = Opts) -> try begin Sock = - case socket:open(inet, stream, tcp) of + case socket:open(Domain, stream, Proto) of {ok, S} -> S; {error, OReason} -> throw({error, {open, OReason}}) end, - case socket:bind(Sock, any) of + case socket:bind(Sock, LocalSA) of {ok, _} -> ok; {error, BReason} -> (catch socket:close(Sock)), + Cleanup(), throw({error, {bind, BReason}}) end, - SA = #{family => inet, - addr => Addr, - port => Port}, - case socket:connect(Sock, SA) of + case socket:connect(Sock, ServerSA) of ok -> ok; {error, CReason} -> (catch socket:close(Sock)), + Cleanup(), throw({error, {connect, CReason}}) end, Self = self(), - Reader = spawn(fun() -> reader_init(Self, Sock, false, Method) end), + Reader = spawn(fun() -> + reader_init(Self, Sock, Async, false, Method) + end), maybe_start_stats_timer(Opts, Reader), {ok, #{sock => Sock, reader => Reader, method => Method}} end @@ -140,6 +203,9 @@ connect(Addr, Port, #{method := Method} = Opts) -> ERROR end. +mk_unique_path() -> + [NodeName | _] = string:tokens(atom_to_list(node()), [$@]), + ?LIB:f("/tmp/esock_~s_~w", [NodeName, erlang:system_time(nanosecond)]). maybe_start_stats_timer(#{stats_to := Pid, stats_interval := T}, @@ -163,37 +229,65 @@ controlling_process(#{sock := Sock, reader := Pid}, NewPid) -> %% Create a listen socket listen() -> - listen(0, #{method => plain}). + listen(0). + +listen(Port) when is_integer(Port) -> + listen(Port, #{domain => inet, async => false, method => plain}); +listen(Path) when is_list(Path) -> + listen(Path, #{domain => local, async => false, method => plain}). + +listen(0, #{domain := local} = Opts) -> + listen(mk_unique_path(), Opts); +listen(Path, #{domain := local = Domain} = Opts) + when is_list(Path) andalso (Path =/= []) -> + SA = #{family => Domain, + path => Path}, + Cleanup = fun() -> os:cmd("unlink " ++ Path), ok end, + do_listen(SA, Cleanup, Opts#{proto => default}); +listen(Port, #{domain := Domain} = Opts) + when is_integer(Port) andalso (Port >= 0) -> + %% Bind fills in the rest + case ?LIB:which_local_host_info(Domain) of + {ok, {_, _, Addr}} -> + SA = #{family => Domain, + addr => Addr, + port => Port}, + Cleanup = fun() -> ok end, + do_listen(SA, Cleanup, Opts#{proto => tcp}); + {error, _} = ERROR -> + ERROR + end. -listen(Port) -> - listen(Port, #{method => plain}). -listen(Port, #{method := Method} = Opts) - when (is_integer(Port) andalso (Port >= 0)) andalso - ((Method =:= plain) orelse (Method =:= msg)) -> +do_listen(SA, + Cleanup, + #{domain := Domain, proto := Proto, + async := Async, method := Method} = Opts) + when (Method =:= plain) orelse (Method =:= msg) andalso + is_boolean(Async) -> try begin - Sock = case socket:open(inet, stream, tcp) of + Sock = case socket:open(Domain, stream, Proto) of {ok, S} -> S; {error, OReason} -> throw({error, {open, OReason}}) end, - SA = #{family => inet, - port => Port}, case socket:bind(Sock, SA) of {ok, _} -> ok; {error, BReason} -> (catch socket:close(Sock)), + Cleanup(), throw({error, {bind, BReason}}) end, case socket:listen(Sock) of ok -> - ok; - {error, LReason} -> + ok; + {error, LReason} -> (catch socket:close(Sock)), - throw({error, {listen, LReason}}) - end, + Cleanup(), + throw({error, {listen, LReason}}) + end, {ok, #{sock => Sock, opts => Opts}} end catch @@ -204,6 +298,8 @@ listen(Port, #{method := Method} = Opts) port(#{sock := Sock}) -> case socket:sockname(Sock) of + {ok, #{family := local, path := Path}} -> + {ok, Path}; {ok, #{port := Port}} -> {ok, Port}; {error, _} = ERROR -> @@ -213,6 +309,8 @@ port(#{sock := Sock}) -> peername(#{sock := Sock}) -> case socket:peername(Sock) of + {ok, #{family := local, path := Path}} -> + {ok, Path}; {ok, #{addr := Addr, port := Port}} -> {ok, {Addr, Port}}; {error, _} = ERROR -> @@ -262,13 +360,18 @@ sockname(#{sock := Sock}) -> %% ========================================================================== -reader_init(ControllingProcess, Sock, Active, Method) +reader_init(ControllingProcess, Sock, Async, Active, Method) when is_pid(ControllingProcess) andalso + is_boolean(Async) andalso (is_boolean(Active) orelse (Active =:= once)) andalso ((Method =:= plain) orelse (Method =:= msg)) -> + put(verbose, false), MRef = erlang:monitor(process, ControllingProcess), reader_loop(#{ctrl_proc => ControllingProcess, ctrl_proc_mref => MRef, + async => Async, + select_info => undefined, + select_num => 0, % Count the number of select messages active => Active, sock => Sock, method => Method}). @@ -279,11 +382,11 @@ reader_loop(#{active := false, ctrl_proc := Pid} = State) -> receive {?MODULE, stop} -> - exit(normal); + reader_exit(State, stop); {?MODULE, Pid, controlling_process, NewPid} -> - MRef = maps:get(ctrl_proc_mref, State), - erlang:demonitor(MRef, [flush]), + OldMRef = maps:get(ctrl_proc_mref, State), + erlang:demonitor(OldMRef, [flush]), NewMRef = erlang:monitor(process, NewPid), Pid ! {?MODULE, self(), controlling_process}, reader_loop(State#{ctrl_proc => NewPid, @@ -294,10 +397,8 @@ reader_loop(#{active := false, {'DOWN', MRef, process, Pid, Reason} -> case maps:get(ctrl_proc_mref, State) of - MRef when (Reason =:= normal) -> - exit(normal); MRef -> - exit({controlling_process, Reason}); + reader_exit(State, {ctrl_exit, Reason}); _ -> reader_loop(State) end @@ -305,7 +406,8 @@ reader_loop(#{active := false, %% Read *once* and then change to false reader_loop(#{active := once, - sock := Sock, + async := false, + sock := Sock, method := Method, ctrl_proc := Pid} = State) -> case do_recv(Method, Sock) of @@ -315,25 +417,23 @@ reader_loop(#{active := once, {error, timeout} -> receive {?MODULE, stop} -> - exit(normal); + reader_exit(State, stop); {?MODULE, Pid, controlling_process, NewPid} -> - MRef = maps:get(ctrl_proc_mref, State), - erlang:demonitor(MRef, [flush]), - MRef = erlang:monitor(process, NewPid), + OldMRef = maps:get(ctrl_proc_mref, State), + erlang:demonitor(OldMRef, [flush]), + NewMRef = erlang:monitor(process, NewPid), Pid ! {?MODULE, self(), controlling_process}, reader_loop(State#{ctrl_proc => NewPid, - ctrl_proc_mref => MRef}); + ctrl_proc_mref => NewMRef}); {?MODULE, active, NewActive} -> reader_loop(State#{active => NewActive}); {'DOWN', MRef, process, Pid, Reason} -> case maps:get(ctrl_proc_mref, State) of - MRef when (Reason =:= normal) -> - exit(normal); - MRef -> - exit({controlling_process, Reason}); + MRef -> + reader_exit(State, {ctrl_exit, Reason}); _ -> reader_loop(State) end @@ -341,17 +441,86 @@ reader_loop(#{active := once, reader_loop(State) end; - {error, closed} -> + {error, closed} = E1 -> + Pid ! ?CLOSED_MSG(Sock, Method), + reader_exit(State, E1); + + {error, Reason} = E2 -> + Pid ! ?ERROR_MSG(Sock, Method, Reason), + reader_exit(State, E2) + end; +reader_loop(#{active := once, + async := true, + select_info := undefined, + sock := Sock, + method := Method, + ctrl_proc := Pid} = State) -> + case do_recv(Method, Sock, nowait) of + {select, SelectInfo} -> + reader_loop(State#{select_info => SelectInfo}); + {ok, Data} -> + Pid ! ?DATA_MSG(Sock, Method, Data), + reader_loop(State#{active => false}); + + {error, closed} = E1 -> Pid ! ?CLOSED_MSG(Sock, Method), - exit(normal); + reader_exit(State, E1); - {error, Reason} -> + {error, Reason} = E2 -> Pid ! ?ERROR_MSG(Sock, Method, Reason), - exit(Reason) + reader_exit(State, E2) + end; +reader_loop(#{active := once, + async := true, + select_info := {select_info, _, Ref}, + select_num := N, + sock := Sock, + method := Method, + ctrl_proc := Pid} = State) -> + receive + {?MODULE, stop} -> + reader_exit(State, stop); + + {?MODULE, Pid, controlling_process, NewPid} -> + OldMRef = maps:get(ctrl_proc_mref, State), + erlang:demonitor(OldMRef, [flush]), + NewMRef = erlang:monitor(process, NewPid), + Pid ! {?MODULE, self(), controlling_process}, + reader_loop(State#{ctrl_proc => NewPid, + ctrl_proc_mref => NewMRef}); + + {?MODULE, active, NewActive} -> + reader_loop(State#{active => NewActive}); + + {'DOWN', MRef, process, Pid, Reason} -> + case maps:get(ctrl_proc_mref, State) of + MRef -> + reader_exit(State, {ctrl_exit, Reason}); + _ -> + reader_loop(State) + end; + + {'$socket', Sock, select, Ref} -> + case do_recv(Method, Sock, nowait) of + {ok, Data} when is_binary(Data) -> + Pid ! ?DATA_MSG(Sock, Method, Data), + reader_loop(State#{active => false, + select_info => undefined, + select_num => N+1}); + + {error, closed} = E1 -> + Pid ! ?CLOSED_MSG(Sock, Method), + reader_exit(State, E1); + + {error, Reason} = E2 -> + Pid ! ?ERROR_MSG(Sock, Method, Reason), + reader_exit(State, E2) + end end; %% Read and forward data continuously reader_loop(#{active := true, + async := false, sock := Sock, method := Method, ctrl_proc := Pid} = State) -> @@ -362,25 +531,23 @@ reader_loop(#{active := true, {error, timeout} -> receive {?MODULE, stop} -> - exit(normal); + reader_exit(State, stop); {?MODULE, Pid, controlling_process, NewPid} -> - MRef = maps:get(ctrl_proc_mref, State), - erlang:demonitor(MRef, [flush]), - MRef = erlang:monitor(process, NewPid), + OldMRef = maps:get(ctrl_proc_mref, State), + erlang:demonitor(OldMRef, [flush]), + NewMRef = erlang:monitor(process, NewPid), Pid ! {?MODULE, self(), controlling_process}, reader_loop(State#{ctrl_proc => NewPid, - ctrl_proc_mref => MRef}); + ctrl_proc_mref => NewMRef}); {?MODULE, active, NewActive} -> reader_loop(State#{active => NewActive}); {'DOWN', MRef, process, Pid, Reason} -> case maps:get(ctrl_proc_mref, State) of - MRef when (Reason =:= normal) -> - exit(normal); MRef -> - exit({controlling_process, Reason}); + reader_exit(State, {ctrl_exit, Reason}); _ -> reader_loop(State) end @@ -388,27 +555,170 @@ reader_loop(#{active := true, reader_loop(State) end; - {error, closed} -> + {error, closed} = E1 -> Pid ! ?CLOSED_MSG(Sock, Method), - exit(normal); + reader_exit(State, E1); - {error, Reason} -> + {error, Reason} = E2 -> Pid ! ?ERROR_MSG(Sock, Method, Reason), - exit(Reason) + reader_exit(State, E2) + end; +reader_loop(#{active := true, + async := true, + select_info := undefined, + sock := Sock, + method := Method, + ctrl_proc := Pid} = State) -> + case do_recv(Method, Sock) of + {select, SelectInfo} -> + reader_loop(State#{select_info => SelectInfo}); + {ok, Data} -> + Pid ! ?DATA_MSG(Sock, Method, Data), + reader_loop(State); + + {error, closed} = E1 -> + Pid ! ?CLOSED_MSG(Sock, Method), + reader_exit(State, E1); + + {error, Reason} = E2 -> + Pid ! ?ERROR_MSG(Sock, Method, Reason), + reader_exit(State, E2) + end; +reader_loop(#{active := true, + async := true, + select_info := {select_info, _, Ref}, + select_num := N, + sock := Sock, + method := Method, + ctrl_proc := Pid} = State) -> + receive + {?MODULE, stop} -> + reader_exit(State, stop); + + {?MODULE, Pid, controlling_process, NewPid} -> + OldMRef = maps:get(ctrl_proc_mref, State), + erlang:demonitor(OldMRef, [flush]), + NewMRef = erlang:monitor(process, NewPid), + Pid ! {?MODULE, self(), controlling_process}, + reader_loop(State#{ctrl_proc => NewPid, + ctrl_proc_mref => NewMRef}); + + {?MODULE, active, NewActive} -> + reader_loop(State#{active => NewActive}); + + {'DOWN', MRef, process, Pid, Reason} -> + case maps:get(ctrl_proc_mref, State) of + MRef -> + reader_exit(State, {ctrl_exit, Reason}); + _ -> + reader_loop(State) + end; + + {'$socket', Sock, select, Ref} -> + case do_recv(Method, Sock, nowait) of + {ok, Data} when is_binary(Data) -> + Pid ! ?DATA_MSG(Sock, Method, Data), + reader_loop(State#{select_info => undefined, + select_num => N+1}); + + {error, closed} = E1 -> + Pid ! ?CLOSED_MSG(Sock, Method), + reader_exit(State, E1); + + {error, Reason} = E2 -> + Pid ! ?ERROR_MSG(Sock, Method, Reason), + reader_exit(State, E2) + end end. -do_recv(plain, Sock) -> - socket:recv(Sock, 0, ?READER_RECV_TIMEOUT); -do_recv(msg, Sock) -> - case socket:recvmsg(Sock, 0, 0, [], ?READER_RECV_TIMEOUT) of +do_recv(Method, Sock) -> + do_recv(Method, Sock, ?READER_RECV_TIMEOUT). + +do_recv(plain, Sock, Timeout) -> + socket:recv(Sock, 0, Timeout); +do_recv(msg, Sock, Timeout) -> + case socket:recvmsg(Sock, 0, 0, [], Timeout) of {ok, #{iov := [Bin]}} -> {ok, Bin}; + {select, _} = SELECT -> + SELECT; {error, _} = ERROR -> ERROR end. - - + + +reader_exit(#{async := false, active := Active}, stop) -> + vp("reader stopped when active: ~w", [Active]), + exit(normal); +reader_exit(#{async := true, + active := Active, + select_info := SelectInfo, + select_num := N}, stop) -> + vp("reader stopped when active: ~w" + "~n Current select info: ~p" + "~n Number of select messages: ~p", [Active, SelectInfo, N]), + exit(normal); +reader_exit(#{async := false, active := Active}, {ctrl_exit, normal}) -> + vp("reader ctrl exit when active: ~w", [Active]), + exit(normal); +reader_exit(#{async := true, + active := Active, + select_info := SelectInfo, + select_num := N}, {ctrl_exit, normal}) -> + vp("reader ctrl exit when active: ~w" + "~n Current select info: ~p" + "~n Number of select messages: ~p", [Active, SelectInfo, N]), + exit(normal); +reader_exit(#{async := false, active := Active}, {ctrl_exit, Reason}) -> + vp("reader exit when ctrl crash when active: ~w", [Active]), + exit({controlling_process, Reason}); +reader_exit(#{async := true, + active := Active, + select_info := SelectInfo, + select_num := N}, {ctrl_exit, Reason}) -> + vp("reader exit when ctrl crash when active: ~w" + "~n Current select info: ~p" + "~n Number of select messages: ~p", [Active, SelectInfo, N]), + exit({controlling_process, Reason}); +reader_exit(#{async := false, active := Active}, {error, closed}) -> + vp("reader exit when socket closed when active: ~w", [Active]), + exit(normal); +reader_exit(#{async := true, + active := Active, + select_info := SelectInfo, + select_num := N}, {error, closed}) -> + vp("reader exit when socket closed when active: ~w " + "~n Current select info: ~p" + "~n Number of select messages: ~p", [Active, SelectInfo, N]), + exit(normal); +reader_exit(#{async := false, active := Active}, {error, Reason}) -> + vp("reader exit when socket error when active: ~w", [Active]), + exit(Reason); +reader_exit(#{async := true, + active := Active, + select_info := SelectInfo, + select_num := N}, {error, Reason}) -> + vp("reader exit when socket error when active: ~w: " + "~n Current select info: ~p" + "~n Number of select messages: ~p", [Active, SelectInfo, N]), + exit(Reason). + + + + + %% ========================================================================== +vp(F, A) -> + vp(get(verbose), F, A). + +vp(true, F, A) -> + p(F, A); +vp(_, _, _) -> + ok. + +p(F, A) -> + io:format(F ++ "~n", A). + |