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Diffstat (limited to 'lib/ssl/test/ssl_dist_test_lib.erl')
-rw-r--r-- | lib/ssl/test/ssl_dist_test_lib.erl | 343 |
1 files changed, 343 insertions, 0 deletions
diff --git a/lib/ssl/test/ssl_dist_test_lib.erl b/lib/ssl/test/ssl_dist_test_lib.erl new file mode 100644 index 0000000000..1b9c853fc4 --- /dev/null +++ b/lib/ssl/test/ssl_dist_test_lib.erl @@ -0,0 +1,343 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2017. 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. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. +%% +%% %CopyrightEnd% +%% + +-module(ssl_dist_test_lib). + +-include_lib("common_test/include/ct.hrl"). +-include_lib("public_key/include/public_key.hrl"). +-include("ssl_dist_test_lib.hrl"). + +-export([tstsrvr_format/2, send_to_tstcntrl/1]). +-export([apply_on_ssl_node/4, apply_on_ssl_node/2]). +-export([stop_ssl_node/1, start_ssl_node/2]). +%% +-export([cnct2tstsrvr/1]). + +-define(AWAIT_SSL_NODE_UP_TIMEOUT, 30000). + + + +%% ssl_node side api +%% + +tstsrvr_format(Fmt, ArgList) -> + send_to_tstsrvr({format, Fmt, ArgList}). + +send_to_tstcntrl(Message) -> + send_to_tstsrvr({message, Message}). + + +%% +%% test_server side api +%% + +apply_on_ssl_node( + #node_handle{connection_handler = Hndlr} = Node, + M, F, A) when is_atom(M), is_atom(F), is_list(A) -> + Ref = erlang:monitor(process, Hndlr), + apply_on_ssl_node(Node, Ref, {apply, self(), Ref, M, F, A}). + +apply_on_ssl_node( + #node_handle{connection_handler = Hndlr} = Node, + Fun) when is_function(Fun, 0) -> + Ref = erlang:monitor(process, Hndlr), + apply_on_ssl_node(Node, Ref, {apply, self(), Ref, Fun}). + +apply_on_ssl_node(Node, Ref, Msg) -> + send_to_ssl_node(Node, Msg), + receive + {'DOWN', Ref, process, Hndlr, Reason} -> + exit({handler_died, Hndlr, Reason}); + {Ref, Result} -> + Result + end. + +stop_ssl_node(#node_handle{connection_handler = Handler, + socket = Socket, + name = Name}) -> + ?t:format("Trying to stop ssl node ~s.~n", [Name]), + Mon = erlang:monitor(process, Handler), + unlink(Handler), + case gen_tcp:send(Socket, term_to_binary(stop)) of + ok -> + receive + {'DOWN', Mon, process, Handler, Reason} -> + case Reason of + normal -> + ok; + _ -> + ct:pal( + "stop_ssl_node/1 ~s Down ~p ~n", + [Name,Reason]) + end + end; + Error -> + erlang:demonitor(Mon, [flush]), + ct:pal("stop_ssl_node/1 ~s Warning ~p ~n", [Name,Error]) + end. + +start_ssl_node(Name, Args) -> + {ok, LSock} = gen_tcp:listen(0, + [binary, {packet, 4}, {active, false}]), + {ok, ListenPort} = inet:port(LSock), + CmdLine = mk_node_cmdline(ListenPort, Name, Args), + ?t:format("Attempting to start ssl node ~ts: ~ts~n", [Name, CmdLine]), + case open_port({spawn, CmdLine}, []) of + Port when is_port(Port) -> + unlink(Port), + erlang:port_close(Port), + case await_ssl_node_up(Name, LSock) of + #node_handle{} = NodeHandle -> + ?t:format("Ssl node ~s started.~n", [Name]), + NodeName = list_to_atom(Name ++ "@" ++ host_name()), + NodeHandle#node_handle{nodename = NodeName}; + Error -> + exit({failed_to_start_node, Name, Error}) + end; + Error -> + exit({failed_to_start_node, Name, Error}) + end. + +host_name() -> + [_, Host] = string:split(atom_to_list(node()), "@"), + %% [$@ | Host] = lists:dropwhile(fun ($@) -> false; (_) -> true end, + %% atom_to_list(node())), + Host. + +mk_node_cmdline(ListenPort, Name, Args) -> + Static = "-detached -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 "; + _ -> "-name " + end, + {ok, Pwd} = file:get_cwd(), + "\"" ++ Prog ++ "\" " + ++ Static ++ " " + ++ NameSw ++ " " ++ Name ++ " " + ++ "-pa " ++ Pa ++ " " + ++ "-run application start crypto -run application start public_key " + ++ "-eval 'net_kernel:verbose(1)' " + ++ "-run " ++ atom_to_list(?MODULE) ++ " cnct2tstsrvr " + ++ host_name() ++ " " + ++ integer_to_list(ListenPort) ++ " " + ++ Args ++ " " + ++ "-env ERL_CRASH_DUMP " ++ Pwd ++ "/erl_crash_dump." ++ Name ++ " " + ++ "-kernel error_logger \"{file,\\\"" ++ Pwd ++ "/error_log." ++ Name ++ "\\\"}\" " + ++ "-setcookie " ++ atom_to_list(erlang:get_cookie()). + +%% +%% Connection handler test_server side +%% + +await_ssl_node_up(Name, LSock) -> + case gen_tcp:accept(LSock, ?AWAIT_SSL_NODE_UP_TIMEOUT) of + {ok, Socket} -> + gen_tcp:close(LSock), + case gen_tcp:recv(Socket, 0) of + {ok, Bin} -> + check_ssl_node_up(Socket, Name, Bin); + {error, closed} -> + gen_tcp:close(Socket), + exit({lost_connection_with_ssl_node_before_up, Name}) + end; + {error, Error} -> + gen_tcp:close(LSock), + ?t:format("Accept failed for ssl node ~s: ~p~n", [Name,Error]), + exit({accept_failed, Error}) + end. + +check_ssl_node_up(Socket, Name, Bin) -> + case catch binary_to_term(Bin) of + {'EXIT', _} -> + gen_tcp:close(Socket), + exit({bad_data_received_from_ssl_node, Name, Bin}); + {ssl_node_up, NodeName} -> + case list_to_atom(Name++"@"++host_name()) of + NodeName -> + Parent = self(), + Go = make_ref(), + %% Spawn connection handler on test server side + Pid = spawn_link( + fun () -> + receive Go -> ok end, + process_flag(trap_exit, true), + tstsrvr_con_loop(Name, Socket, Parent) + end), + ok = gen_tcp:controlling_process(Socket, Pid), + Pid ! Go, + #node_handle{connection_handler = Pid, + socket = Socket, + name = Name}; + _ -> + exit({unexpected_ssl_node_connected, NodeName}) + end; + Msg -> + exit({unexpected_msg_instead_of_ssl_node_up, Name, Msg}) + end. + +send_to_ssl_node(#node_handle{connection_handler = Hndlr}, Term) -> + Hndlr ! {relay_to_ssl_node, term_to_binary(Term)}, + ok. + +tstsrvr_con_loop(Name, Socket, Parent) -> + ok = inet:setopts(Socket,[{active,once}]), + receive + {relay_to_ssl_node, Data} when is_binary(Data) -> + case gen_tcp:send(Socket, Data) of + ok -> + ok; + _Error -> + gen_tcp:close(Socket), + exit({failed_to_relay_data_to_ssl_node, Name, Data}) + end; + {tcp, Socket, Bin} -> + try binary_to_term(Bin) of + {format, FmtStr, ArgList} -> + ?t:format(FmtStr, ArgList); + {message, Msg} -> + ?t:format("Got message ~p", [Msg]), + Parent ! Msg; + {apply_res, To, Ref, Res} -> + To ! {Ref, Res}; + bye -> + {error, closed} = gen_tcp:recv(Socket, 0), + ?t:format("Ssl node ~s stopped.~n", [Name]), + gen_tcp:close(Socket), + exit(normal); + Unknown -> + exit({unexpected_message_from_ssl_node, Name, Unknown}) + catch + error : _ -> + gen_tcp:close(Socket), + exit({bad_data_received_from_ssl_node, Name, Bin}) + end; + {tcp_closed, Socket} -> + gen_tcp:close(Socket), + exit({lost_connection_with_ssl_node, Name}); + {'EXIT', Parent, Reason} -> + exit({'EXIT', parent, Reason}); + Unknown -> + exit({unknown, Unknown}) + end, + tstsrvr_con_loop(Name, Socket, Parent). + +%% +%% Connection handler ssl_node side +%% + +% cnct2tstsrvr() is called via command line arg -run ... +cnct2tstsrvr([Host, Port]) when is_list(Host), is_list(Port) -> + %% Spawn connection handler on ssl node side + ConnHandler + = spawn(fun () -> + case catch gen_tcp:connect(Host, + list_to_integer(Port), + [binary, + {packet, 4}, + {active, false}]) of + {ok, Socket} -> + notify_ssl_node_up(Socket), + ets:new(test_server_info, + [set, + public, + named_table, + {keypos, 1}]), + ets:insert(test_server_info, + {test_server_handler, self()}), + ssl_node_con_loop(Socket); + Error -> + halt("Failed to connect to test server " ++ + lists:flatten(io_lib:format("Host:~p ~n Port:~p~n Error:~p~n", + [Host, Port, Error]))) + end + end), + spawn(fun () -> + Mon = erlang:monitor(process, ConnHandler), + receive + {'DOWN', Mon, process, ConnHandler, Reason} -> + receive after 1000 -> ok end, + halt("test server connection handler terminated: " ++ + lists:flatten(io_lib:format("~p", [Reason]))) + end + end). + +notify_ssl_node_up(Socket) -> + case catch gen_tcp:send(Socket, + term_to_binary({ssl_node_up, node()})) of + ok -> ok; + _ -> halt("Failed to notify test server that I'm up") + end. + +send_to_tstsrvr(Term) -> + case catch ets:lookup_element(test_server_info, test_server_handler, 2) of + Hndlr when is_pid(Hndlr) -> + Hndlr ! {relay_to_test_server, term_to_binary(Term)}, ok; + _ -> + receive after 200 -> ok end, + send_to_tstsrvr(Term) + end. + +ssl_node_con_loop(Socket) -> + inet:setopts(Socket,[{active,once}]), + receive + {relay_to_test_server, Data} when is_binary(Data) -> + case gen_tcp:send(Socket, Data) of + ok -> + ok; + _Error -> + gen_tcp:close(Socket), + halt("Failed to relay data to test server") + end; + {tcp, Socket, Bin} -> + case catch binary_to_term(Bin) of + {'EXIT', _} -> + gen_tcp:close(Socket), + halt("test server sent me bad data"); + {apply, From, Ref, M, F, A} -> + spawn_link( + fun () -> + send_to_tstsrvr({apply_res, + From, + Ref, + (catch apply(M, F, A))}) + end); + {apply, From, Ref, Fun} -> + spawn_link(fun () -> + send_to_tstsrvr({apply_res, + From, + Ref, + (catch Fun())}) + end); + stop -> + gen_tcp:send(Socket, term_to_binary(bye)), + init:stop(), + receive after infinity -> ok end; + _Unknown -> + halt("test server sent me an unexpected message") + end; + {tcp_closed, Socket} -> + halt("Lost connection to test server") + end, + ssl_node_con_loop(Socket). |