diff options
Diffstat (limited to 'lib/kernel')
| -rw-r--r-- | lib/kernel/test/erl_distribution_SUITE.erl | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/lib/kernel/test/erl_distribution_SUITE.erl b/lib/kernel/test/erl_distribution_SUITE.erl index eb58e92224..e43be77428 100644 --- a/lib/kernel/test/erl_distribution_SUITE.erl +++ b/lib/kernel/test/erl_distribution_SUITE.erl @@ -25,6 +25,7 @@ init_per_group/2,end_per_group/2]). -export([tick/1, tick_change/1, illegal_nodenames/1, hidden_node/1, + setopts/1, table_waste/1, net_setuptime/1, inet_dist_options_options/1, @@ -42,6 +43,8 @@ -export([get_socket_priorities/0, tick_cli_test/1, tick_cli_test1/1, tick_serv_test/2, tick_serv_test1/1, + run_remote_test/1, + setopts_do/2, keep_conn/1, time_ping/1]). -export([init_per_testcase/2, end_per_testcase/2]). @@ -66,6 +69,7 @@ suite() -> all() -> [tick, tick_change, illegal_nodenames, hidden_node, + setopts, table_waste, net_setuptime, inet_dist_options_options, {group, monitor_nodes}]. @@ -282,6 +286,165 @@ tick_cli_test1(Node) -> end end. +setopts(Config) when is_list(Config) -> + register(setopts_regname, self()), + [N1,N2,N3,N4] = get_nodenames(4, setopts), + + {_N1F,Port1} = start_node_unconnected(N1, ?MODULE, run_remote_test, + ["setopts_do", atom_to_list(node()), "1", "ping"]), + 0 = wait_for_port_exit(Port1), + + {_N2F,Port2} = start_node_unconnected(N2, ?MODULE, run_remote_test, + ["setopts_do", atom_to_list(node()), "2", "ping"]), + 0 = wait_for_port_exit(Port2), + + {ok, LSock} = gen_tcp:listen(0, [{packet,2}, {active,false}]), + {ok, LTcpPort} = inet:port(LSock), + + {N3F,Port3} = start_node_unconnected(N3, ?MODULE, run_remote_test, + ["setopts_do", atom_to_list(node()), + "1", integer_to_list(LTcpPort)]), + wait_and_connect(LSock, N3F, Port3), + 0 = wait_for_port_exit(Port3), + + {N4F,Port4} = start_node_unconnected(N4, ?MODULE, run_remote_test, + ["setopts_do", atom_to_list(node()), + "2", integer_to_list(LTcpPort)]), + wait_and_connect(LSock, N4F, Port4), + 0 = wait_for_port_exit(Port4), + + ok. + +wait_and_connect(LSock, NodeName, NodePort) -> + {ok, Sock} = gen_tcp:accept(LSock), + {ok, "Connect please"} = gen_tcp:recv(Sock, 0), + flush_from_port(NodePort), + pong = net_adm:ping(NodeName), + gen_tcp:send(Sock, "Connect done"), + gen_tcp:close(Sock). + + +flush_from_port(Port) -> + flush_from_port(Port, 10). + +flush_from_port(Port, Timeout) -> + receive + {Port,{data,String}} -> + io:format("~p: ~s\n", [Port, String]), + flush_from_port(Port, Timeout) + after Timeout -> + timeout + end. + +wait_for_port_exit(Port) -> + case (receive M -> M end) of + {Port,{exit_status,Status}} -> + Status; + {Port,{data,String}} -> + io:format("~p: ~s\n", [Port, String]), + wait_for_port_exit(Port) + end. + +run_remote_test([FuncStr, TestNodeStr | Args]) -> + Status = try + io:format("Node ~p started~n", [node()]), + TestNode = list_to_atom(TestNodeStr), + io:format("Node ~p spawning function ~p~n", [node(), FuncStr]), + {Pid,Ref} = spawn_monitor(?MODULE, list_to_atom(FuncStr), [TestNode, Args]), + io:format("Node ~p waiting for function ~p~n", [node(), FuncStr]), + receive + {'DOWN', Ref, process, Pid, normal} -> + 0; + Other -> + io:format("Node ~p got unexpected msg: ~p\n",[node(), Other]), + 1 + end + catch + C:E -> + io:format("Node ~p got EXCEPTION ~p:~p\nat ~p\n", + [node(), C, E, erlang:get_stacktrace()]), + 2 + end, + io:format("Node ~p doing halt(~p).\n",[node(), Status]), + erlang:halt(Status). + +% Do the actual test on the remote node +setopts_do(TestNode, [OptNr, ConnectData]) -> + [] = nodes(), + {Opt, Val} = opt_from_nr(OptNr), + ok = net_kernel:setopts(new, [{Opt, Val}]), + + [] = nodes(), + {error, noconnection} = net_kernel:getopts(TestNode, [Opt]), + + case ConnectData of + "ping" -> % We connect + net_adm:ping(TestNode); + TcpPort -> % Other connect + {ok, Sock} = gen_tcp:connect("localhost", list_to_integer(TcpPort), + [{active,false},{packet,2}]), + ok = gen_tcp:send(Sock, "Connect please"), + {ok, "Connect done"} = gen_tcp:recv(Sock, 0), + gen_tcp:close(Sock) + end, + [TestNode] = nodes(), + {ok, [{Opt,Val}]} = net_kernel:getopts(TestNode, [Opt]), + {error, noconnection} = net_kernel:getopts('pixie@fairyland', [Opt]), + + NewVal = change_val(Val), + ok = net_kernel:setopts(TestNode, [{Opt, NewVal}]), + {ok, [{Opt,NewVal}]} = net_kernel:getopts(TestNode, [Opt]), + + ok = net_kernel:setopts(TestNode, [{Opt, Val}]), + {ok, [{Opt,Val}]} = net_kernel:getopts(TestNode, [Opt]), + + ok. + +opt_from_nr("1") -> {nodelay, true}; +opt_from_nr("2") -> {nodelay, false}. + +change_val(true) -> false; +change_val(false) -> true. + +start_node_unconnected(Name, Mod, Func, Args) -> + FullName = full_node_name(Name), + CmdLine = mk_node_cmdline(Name,Mod,Func,Args), + io:format("Starting node ~p: ~s~n", [FullName, CmdLine]), + case open_port({spawn, CmdLine}, [exit_status]) of + Port when is_port(Port) -> + {FullName, Port}; + Error -> + exit({failed_to_start_node, FullName, Error}) + end. + +full_node_name(PreName) -> + HostSuffix = lists:dropwhile(fun ($@) -> false; (_) -> true end, + atom_to_list(node())), + list_to_atom(atom_to_list(PreName) ++ HostSuffix). + +mk_node_cmdline(Name,Mod,Func,Args) -> + Static = "-noinput", + Pa = filename:dirname(code:which(?MODULE)), + Prog = case catch init:get_argument(progname) of + {ok,[[P]]} -> P; + _ -> exit(no_progname_argument_found) + end, + NameSw = case net_kernel:longnames() of + false -> "-sname "; + true -> "-name "; + _ -> exit(not_distributed_node) + end, + {ok, Pwd} = file:get_cwd(), + NameStr = atom_to_list(Name), + Prog ++ " " + ++ Static ++ " " + ++ NameSw ++ " " ++ NameStr + ++ " -pa " ++ Pa + ++ " -env ERL_CRASH_DUMP " ++ Pwd ++ "/erl_crash_dump." ++ NameStr + ++ " -setcookie " ++ atom_to_list(erlang:get_cookie()) + ++ " -run " ++ atom_to_list(Mod) ++ " " ++ atom_to_list(Func) + ++ " " ++ string:join(Args, " "). + %% OTP-4255. tick_change(Config) when is_list(Config) -> |