%% %% %CopyrightBegin% %% %% Copyright Ericsson AB 2000-2011. 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(rpc_SUITE). -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2]). -export([call/1, block_call/1, multicall/1, multicall_timeout/1, multicall_dies/1, multicall_node_dies/1, called_dies/1, called_node_dies/1, called_throws/1, call_benchmark/1, async_call/1]). -export([suicide/2, suicide/3, f/0, f2/0]). -include_lib("common_test/include/ct.hrl"). suite() -> [{ct_hooks,[ts_install_cth]}, {timetrap,{minutes,2}}]. all() -> [call, block_call, multicall, multicall_timeout, multicall_dies, multicall_node_dies, called_dies, called_node_dies, called_throws, call_benchmark, async_call]. groups() -> []. init_per_suite(Config) -> Config. end_per_suite(_Config) -> ok. init_per_group(_GroupName, Config) -> Config. end_per_group(_GroupName, Config) -> Config. %% Test different rpc calls. call(Config) when is_list(Config) -> ?line PA = filename:dirname(code:which(?MODULE)), %% Note. First part of nodename sets response delay in seconds {ok, N1} = test_server:start_node('3_rpc_SUITE_call', slave, [{args, "-pa " ++ PA}]), {ok, N2} = test_server:start_node('1_rcp_SUITE_call', slave, [{args, "-pa " ++ PA}]), {ok, N3} = test_server:start_node('4_rcp_SUITE_call', slave, [{args, "-pa " ++ PA}]), {ok, N4} = test_server:start_node('8_rcp_SUITE_call', slave, [{args, "-pa " ++ PA}]), ?line ok = io:format("~p~n", [[N1, N2, N3]]), ?line {hej,_,N1} = rpc:call(N1, ?MODULE, f, []), ?line {hej,_,N2} = rpc:call(N2, ?MODULE, f, [], 2000), ?line {badrpc,timeout} = rpc:call(N3, ?MODULE, f, [], 2000), ?line receive after 6000 -> ok end, ?line [] = flush([]), ?line {hej,_,N4} = rpc:call(N4, ?MODULE, f, []), test_server:stop_node(N1), test_server:stop_node(N2), test_server:stop_node(N3), test_server:stop_node(N4), ok. %% Test different rpc calls. block_call(Config) when is_list(Config) -> ?line PA = filename:dirname(code:which(?MODULE)), %% Note. First part of nodename sets response delay in seconds {ok, N1} = test_server:start_node('3_rpc_SUITE_block_call', slave, [{args, "-pa " ++ PA}]), {ok, N2} = test_server:start_node('1_rcp_SUITE_block_call', slave, [{args, "-pa " ++ PA}]), {ok, N3} = test_server:start_node('4_rcp_SUITE_block_call', slave, [{args, "-pa " ++ PA}]), {ok, N4} = test_server:start_node('8_rcp_SUITE_block_call', slave, [{args, "-pa " ++ PA}]), ?line ok = io:format("~p~n", [[N1, N2, N3]]), ?line {hej,_,N1} = rpc:block_call(N1, ?MODULE, f, []), ?line {hej,_,N2} = rpc:block_call(N2, ?MODULE, f, [], 2000), ?line {badrpc,timeout} = rpc:block_call(N3, ?MODULE, f, [], 2000), ?line receive after 6000 -> ok end, ?line [] = flush([]), ?line {hej,_,N4} = rpc:block_call(N4, ?MODULE, f, []), test_server:stop_node(N1), test_server:stop_node(N2), test_server:stop_node(N3), test_server:stop_node(N4), ok. %% OTP-3449. multicall(Config) when is_list(Config) -> ?line PA = filename:dirname(code:which(?MODULE)), %% Note. First part of nodename sets response delay in seconds {ok, N1} = test_server:start_node('3_rpc_SUITE_multicall', slave, [{args, "-pa " ++ PA}]), {ok, N2} = test_server:start_node('1_rcp_SUITE_multicall', slave, [{args, "-pa " ++ PA}]), ?line ok = io:format("~p~n", [[N1, N2]]), ?line {[{hej,_,N1},{hej,_,N2}],[]} = rpc:multicall([N1, N2], ?MODULE, f, []), ?line Msgs = flush([]), ?line [] = Msgs, test_server:stop_node(N1), test_server:stop_node(N2), ok. multicall_timeout(Config) when is_list(Config) -> ?line PA = filename:dirname(code:which(?MODULE)), %% Note. First part of nodename sets response delay in seconds {ok, N1} = test_server:start_node('11_rpc_SUITE_multicall', slave, [{args, "-pa " ++ PA}]), {ok, N2} = test_server:start_node('8_rpc_SUITE_multicall', slave, [{args, "-pa " ++ PA}]), {ok, N3} = test_server:start_node('5_rpc_SUITE_multicall', slave, [{args, "-pa " ++ PA}]), {ok, N4} = test_server:start_node('2_rcp_SUITE_multicall', slave, [{args, "-pa " ++ PA}]), ?line ok = io:format("~p~n", [[N1, N2]]), {[{hej,_,N3},{hej,_,N4}],[N1, N2]} = rpc:multicall([N3, N1, N2, N4], ?MODULE, f, [], 6000), ct:sleep({seconds,8}), %Wait for late answers ?line Msgs = flush([]), ?line [] = Msgs, test_server:stop_node(N1), test_server:stop_node(N2), test_server:stop_node(N3), test_server:stop_node(N4), ok. multicall_dies(Config) when is_list(Config) -> ?line PA = filename:dirname(code:which(?MODULE)), {ok, N1} = test_server:start_node('rpc_SUITE_multicall_dies_1', slave, [{args, "-pa " ++ PA}]), {ok, N2} = test_server:start_node('rcp_SUITE_multicall_dies_2', slave, [{args, "-pa " ++ PA}]), ?line Nodes = [N1, N2], %% ?line {[{badrpc, {'EXIT', normal}}, {badrpc, {'EXIT', normal}}], []} = do_multicall(Nodes, erlang, exit, [normal]), ?line {[{badrpc, {'EXIT', abnormal}}, {badrpc, {'EXIT', abnormal}}], []} = do_multicall(Nodes, erlang, exit, [abnormal]), ?line {[{badrpc, {'EXIT', {badarith, _}}}, {badrpc, {'EXIT', {badarith, _}}}], []} = do_multicall(Nodes, erlang, 'div', [1, 0]), ?line {[{badrpc, {'EXIT', {badarg, _}}}, {badrpc, {'EXIT', {badarg, _}}}], []} = do_multicall(Nodes, erlang, atom_to_list, [1]), ?line {[{badrpc, {'EXIT', {undef, _}}}, {badrpc, {'EXIT', {undef, _}}}], []} = do_multicall(Nodes, ?MODULE, suicide, []), ?line {[timeout, timeout], []} = do_multicall(Nodes, ?MODULE, suicide, [link, normal]), ?line {[{badrpc, {'EXIT', abnormal}}, {badrpc, {'EXIT', abnormal}}], []} = do_multicall(Nodes, ?MODULE, suicide, [link, abnormal]), ?line {[timeout, timeout], []} = do_multicall(Nodes, ?MODULE, suicide, [exit, normal]), ?line {[{badrpc, {'EXIT', abnormal}}, {badrpc, {'EXIT', abnormal}}], []} = do_multicall(Nodes, ?MODULE, suicide, [exit, abnormal]), ?line {[{badrpc, {'EXIT', killed}}, {badrpc, {'EXIT', killed}}], []} = do_multicall(Nodes, ?MODULE, suicide, [exit, kill]), %% test_server:stop_node(N1), test_server:stop_node(N2), ok. do_multicall(Nodes, Mod, Func, Args) -> ?line ok = io:format("~p:~p~p~n", [Mod, Func, Args]), ?line Result = rpc:multicall(Nodes, Mod, Func, Args), ?line Msgs = flush([]), ?line [] = Msgs, Result. multicall_node_dies(Config) when is_list(Config) -> do_multicall_2_nodes_dies(?MODULE, suicide, [erlang, halt, []]), do_multicall_2_nodes_dies(?MODULE, suicide, [init, stop, []]), do_multicall_2_nodes_dies(?MODULE, suicide, [rpc, stop, []]), ok. do_multicall_2_nodes_dies(Mod, Func, Args) -> ?line ok = io:format("~p:~p~p~n", [Mod, Func, Args]), ?line PA = filename:dirname(code:which(?MODULE)), {ok, N1} = test_server:start_node('rpc_SUITE_multicall_node_dies_1', slave, [{args, "-pa " ++ PA}]), {ok, N2} = test_server:start_node('rcp_SUITE_multicall_node_dies_2', slave, [{args, "-pa " ++ PA}]), ?line Nodes = [N1, N2], ?line {[], Nodes} = rpc:multicall(Nodes, Mod, Func, Args), ?line Msgs = flush([]), ?line [] = Msgs, ok. %% OTP-3766. called_dies(Config) when is_list(Config) -> ?line PA = filename:dirname(code:which(?MODULE)), {ok, N} = test_server:start_node(rpc_SUITE_called_dies, slave, [{args, "-pa " ++ PA}]), %% ?line rep(fun (Tag, Call, Args) -> {Tag,{badrpc,{'EXIT',normal}}} = {Tag,apply(rpc, Call, Args)} end, N, erlang, exit, [normal]), ?line rep(fun (Tag, Call, Args) -> {Tag,{badrpc,{'EXIT',abnormal}}} = {Tag,apply(rpc, Call, Args)} end, N, erlang, exit, [abnormal]), ?line rep(fun (Tag, Call, Args) -> {Tag,{badrpc,{'EXIT',{badarith,_}}}} = {Tag,apply(rpc, Call, Args)} end, N, erlang, 'div', [1,0]), ?line rep(fun (Tag, Call, Args) -> {Tag,{badrpc,{'EXIT',{badarg,_}}}} = {Tag,apply(rpc, Call, Args)} end, N, erlang, atom_to_list, [1]), ?line rep(fun (Tag, Call, Args) -> {Tag,{badrpc,{'EXIT',{undef,_}}}} = {Tag,apply(rpc, Call, Args)} end, N, ?MODULE, suicide, []), %% TrapExit = process_flag(trap_exit, true), %% ?line rep(fun (Tag, Call, Args=[Node|_]) when Node == node() -> {Tag,timeout} = {Tag,apply(rpc, Call, Args)}, {Tag,flush,[{'EXIT',_,normal}]} = {Tag,flush,flush([])}; (Tag, Call, Args) -> {Tag,timeout} = {Tag,apply(rpc, Call, Args)} end, N, ?MODULE, suicide, [link,normal]), ?line rep(fun (Tag, Call, Args=[Node|_]) when Node == node() -> {Tag,timeout} = {Tag,apply(rpc, Call, Args)}, {Tag,flush,[{'EXIT',_,abnormal}]} = {Tag,flush,flush([])}; (Tag, block_call, Args) -> {Tag,timeout} = {Tag,apply(rpc, block_call, Args)}; (Tag, Call, Args) -> {Tag,{badrpc,{'EXIT',abnormal}}} = {Tag,apply(rpc, Call, Args)} end, N, ?MODULE, suicide, [link,abnormal]), ?line rep(fun (Tag, Call, Args=[Node|_]) when Node == node() -> {Tag,timeout} = {Tag,apply(rpc, Call, Args)}, {Tag,flush,[{'EXIT',_,normal}]} = {Tag,flush,flush([])}; (Tag, Call, Args) -> {Tag,timeout} = {Tag,apply(rpc, Call, Args)} end, N, ?MODULE, suicide, [exit,normal]), ?line rep(fun (Tag, Call, Args=[Node|_]) when Node == node() -> {Tag,timeout} = {Tag,apply(rpc, Call, Args)}, {Tag,flush,[{'EXIT',_,abnormal}]} = {Tag,flush,flush([])}; (Tag, block_call, Args) -> {Tag,timeout} = {Tag,apply(rpc, block_call, Args)}; (Tag, Call, Args) -> {Tag,{badrpc,{'EXIT',abnormal}}} = {Tag,apply(rpc, Call, Args)} end, N, ?MODULE, suicide, [exit,abnormal]), %% process_flag(trap_exit, TrapExit), %% ?line rep(fun %% A local [exit,kill] would kill the test case process (_Tag, _Call, [Node|_]) when Node == node() -> ok; %% A block_call [exit,kill] would kill the rpc server (_Tag, block_call, _Args) -> ok; (Tag, Call, Args) -> {Tag,{badrpc,{'EXIT',killed}}} = {Tag,apply(rpc, Call, Args)} end, N, ?MODULE, suicide, [exit,kill]), %% ?line [] = flush([]), test_server:stop_node(N), ok. rep(Fun, N, M, F, A) -> Fun(1, call, [node(), M, F, A]), Fun(2, call, [node(), M, F, A, infinity]), Fun(3, call, [N, M, F, A]), Fun(4, call, [N, M, F, A, infinity]), Fun(5, call, [N, M, F, A, 3000]), Fun(6, block_call, [node(), M, F, A]), Fun(7, block_call, [node(), M, F, A, infinity]), Fun(8, block_call, [N, M, F, A]), Fun(9, block_call, [N, M, F, A, infinity]), Fun(10, block_call, [N, M, F, A, 3000]), ok. suicide(link, Reason) -> spawn_link( fun() -> exit(Reason) end), receive after 2000 -> timeout end; suicide(exit, Reason) -> Self = self(), spawn( fun() -> exit(Self, Reason) end), receive after 2000 -> timeout end. suicide(erlang, exit, [Name, Reason]) when is_atom(Name) -> case whereis(Name) of Pid when is_pid(Pid) -> suicide(erlang, exit, [Pid, Reason]) end; suicide(Mod, Func, Args) -> spawn_link( fun() -> apply(Mod, Func, Args) end), receive after 10000 -> timeout end. called_node_dies(Config) when is_list(Config) -> ?line PA = filename:dirname(code:which(?MODULE)), %% ?line node_rep( fun (Tag, Call, Args) -> {Tag,{badrpc,nodedown}} = {Tag,apply(rpc, Call, Args)} end, "rpc_SUITE_called_node_dies_1", PA, ?MODULE, suicide, [erlang,halt,[]]), ?line node_rep( fun (Tag, Call, Args) -> {Tag,{badrpc,nodedown}} = {Tag,apply(rpc, Call, Args)} end, "rpc_SUITE_called_node_dies_2", PA, ?MODULE, suicide, [init,stop,[]]), ?line node_rep( fun (Tag, Call, Args=[_|_]) -> {Tag,{'EXIT',{killed,_}}} = {Tag,catch {noexit,apply(rpc, Call, Args)}} end, "rpc_SUITE_called_node_dies_3", PA, ?MODULE, suicide, [erlang,exit,[rex,kill]]), ?line node_rep( fun %% Cannot block call rpc - will hang (_Tag, block_call, _Args) -> ok; (Tag, Call, Args=[_|_]) -> {Tag,{'EXIT',{normal,_}}} = {Tag,catch {noexit,apply(rpc, Call, Args)}} end, "rpc_SUITE_called_node_dies_4", PA, ?MODULE, suicide, [rpc,stop,[]]), %% ok. node_rep(Fun, Name, PA, M, F, A) -> {ok, Na} = test_server:start_node(list_to_atom(Name++"_a"), slave, [{args, "-pa " ++ PA}]), Fun(a, call, [Na, M, F, A]), catch test_server:stop_node(Na), {ok, Nb} = test_server:start_node(list_to_atom(Name++"_b"), slave, [{args, "-pa " ++ PA}]), Fun(b, call, [Nb, M, F, A, infinity]), catch test_server:stop_node(Nb), {ok, Nc} = test_server:start_node(list_to_atom(Name++"_c"), slave, [{args, "-pa " ++ PA}]), Fun(c, call, [Nc, M, F, A, infinity]), catch test_server:stop_node(Nc), %% {ok, Nd} = test_server:start_node(list_to_atom(Name++"_d"), slave, [{args, "-pa " ++ PA}]), Fun(d, block_call, [Nd, M, F, A]), catch test_server:stop_node(Nd), {ok, Ne} = test_server:start_node(list_to_atom(Name++"_e"), slave, [{args, "-pa " ++ PA}]), Fun(e, block_call, [Ne, M, F, A, infinity]), catch test_server:stop_node(Ne), {ok, Nf} = test_server:start_node(list_to_atom(Name++"_f"), slave, [{args, "-pa " ++ PA}]), Fun(f, block_call, [Nf, M, F, A, infinity]), catch test_server:stop_node(Nf), ok. %% OTP-3766. called_throws(Config) when is_list(Config) -> ?line PA = filename:dirname(code:which(?MODULE)), %% {ok, N} = test_server:start_node(rpc_SUITE_called_throws, slave, [{args, "-pa " ++ PA}]), %% ?line rep(fun (Tag, Call, Args) -> {Tag,up} = {Tag,apply(rpc, Call, Args)} end, N, erlang, throw, [up]), ?line rep(fun (Tag, Call, Args) -> {Tag,{badrpc,{'EXIT',reason}}} = {Tag,apply(rpc, Call, Args)} end, N, erlang, throw, [{'EXIT',reason}]), %% test_server:stop_node(N), ok. call_benchmark(Config) when is_list(Config) -> PA = filename:dirname(code:which(?MODULE)), {ok, Node} = test_server:start_node(rpc_SUITE_call_benchmark, slave, [{args, "-pa " ++ PA}]), Iter = case erlang:system_info(modified_timing_level) of undefined -> 10000; _ -> 500 %Modified timing - spawn is slower end, Res = do_call_benchmark(Node, Iter), test_server:stop_node(Node), Res. do_call_benchmark(Node, M) when is_integer(M), M > 0 -> {Micros,ok} = timer:tc(fun() -> do_call_benchmark(Node, 0, M) end), Calls = 3*M, S = io_lib:format("~p RPC calls/second", [Calls*1000000 div Micros]), {comment,lists:flatten(S)}. do_call_benchmark(_Node, M, M) -> ok; do_call_benchmark(Node, I, M) -> Node = rpc:call(Node, erlang, node, []), _ = rpc:call(Node, erlang, whereis, [rex]), 3 = rpc:call(Node, erlang, '+', [1,2]), do_call_benchmark(Node, I+1, M). async_call(Config) when is_list(Config) -> %% Note: First part of nodename sets response delay in seconds. ?line PA = filename:dirname(code:which(?MODULE)), ?line NodeArgs = [{args,"-pa "++ PA}], {ok,Node1} = test_server:start_node('1_rpc_SUITE_call', slave, NodeArgs), {ok,Node2} = test_server:start_node('10_rpc_SUITE_call', slave, NodeArgs), {ok,Node3} = test_server:start_node('20_rpc_SUITE_call', slave, NodeArgs), ?line Promise1 = rpc:async_call(Node1, ?MODULE, f, []), ?line Promise2 = rpc:async_call(Node2, ?MODULE, f, []), ?line Promise3 = rpc:async_call(Node3, ?MODULE, f, []), %% Test fast timeouts. ?line timeout = rpc:nb_yield(Promise2), ?line timeout = rpc:nb_yield(Promise2, 10), %% Let Node1 finish its work before yielding. ct:sleep({seconds,2}), ?line {hej,_,Node1} = rpc:yield(Promise1), %% Wait for the Node2 and Node3. ?line {value,{hej,_,Node2}} = rpc:nb_yield(Promise2, infinity), ?line {hej,_,Node3} = rpc:yield(Promise3), ok. %%% %%% Utility functions. %%% flush(L) -> receive M -> flush([M|L]) after 0 -> L end. t() -> [N | _] = string:tokens(atom_to_list(node()), "_"), 1000*list_to_integer(N). f() -> timer:sleep(T=t()), spawn(?MODULE, f2, []), {hej,T,node()}. f2() -> timer:sleep(500), halt().