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emqx_protocol_SUITE.erl
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emqx_protocol_SUITE.erl
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%%--------------------------------------------------------------------
%% Copyright (c) 2013-2018 EMQ Enterprise, Inc. (http://emqtt.io)
%%
%% 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.
%%--------------------------------------------------------------------
-module(emqx_protocol_SUITE).
-compile(export_all).
-compile(nowarn_export_all).
-include_lib("eunit/include/eunit.hrl").
-include_lib("common_test/include/ct.hrl").
-include("emqx_mqtt.hrl").
-define(TOPICS, [<<"TopicA">>, <<"TopicA/B">>, <<"Topic/C">>, <<"TopicA/C">>,
<<"/TopicA">>]).
-define(CLIENT2, ?CONNECT_PACKET(#mqtt_packet_connect{
username = <<"admin">>,
clean_start = false,
password = <<"public">>})).
all() ->
[
{group, mqttv4},
{group, mqttv5}].
groups() ->
[{mqttv4,
[sequence],
[
connect_v4,
subscribe_v4
]},
{mqttv5,
[sequence],
[
connect_v5,
subscribe_v5
]
}].
init_per_suite(Config) ->
emqx_ct_broker_helpers:run_setup_steps(),
emqx_zone:set_env(external, max_topic_alias, 20),
Config.
end_per_suite(_Config) ->
emqx_ct_broker_helpers:run_teardown_steps().
batch_connect(NumberOfConnections) ->
batch_connect([], NumberOfConnections).
batch_connect(Socks, 0) ->
Socks;
batch_connect(Socks, NumberOfConnections) ->
{ok, Sock} = emqx_client_sock:connect({127, 0, 0, 1}, 1883,
[binary, {packet, raw}, {active, false}],
3000),
batch_connect([Sock | Socks], NumberOfConnections - 1).
with_connection(DoFun, NumberOfConnections) ->
Socks = batch_connect(NumberOfConnections),
try
DoFun(Socks)
after
lists:foreach(fun(Sock) ->
emqx_client_sock:close(Sock)
end, Socks)
end.
with_connection(DoFun) ->
with_connection(DoFun, 1).
% {ok, Sock} = emqx_client_sock:connect({127, 0, 0, 1}, 1883,
% [binary, {packet, raw},
% {active, false}], 3000),
% try
% DoFun(Sock)
% after
% emqx_client_sock:close(Sock)
% end.
connect_v4(_) ->
with_connection(fun([Sock]) ->
emqx_client_sock:send(Sock, raw_send_serialize(?PACKET(?PUBLISH))),
{error, closed} =gen_tcp:recv(Sock, 0)
end),
with_connection(fun([Sock]) ->
ConnectPacket = raw_send_serialize(?CONNECT_PACKET
(#mqtt_packet_connect{
client_id = <<"mqttv4_client">>,
username = <<"admin">>,
password = <<"public">>,
proto_ver = ?MQTT_PROTO_V4
})),
emqx_client_sock:send(Sock, ConnectPacket),
{ok, Data} = gen_tcp:recv(Sock, 0),
{ok, ?CONNACK_PACKET(?CONNACK_ACCEPT), _} = raw_recv_parse(Data, ?MQTT_PROTO_V4),
emqx_client_sock:send(Sock, ConnectPacket),
{error, closed} = gen_tcp:recv(Sock, 0)
end),
ok.
connect_v5(_) ->
with_connection(fun([Sock]) ->
emqx_client_sock:send(Sock,
raw_send_serialize(
?CONNECT_PACKET(#mqtt_packet_connect{
proto_ver = ?MQTT_PROTO_V5,
properties =
#{'Request-Response-Information' => -1}}))),
{ok, Data} = gen_tcp:recv(Sock, 0),
{ok, ?DISCONNECT_PACKET(?RC_PROTOCOL_ERROR), _} = raw_recv_parse(Data, ?MQTT_PROTO_V5)
end),
with_connection(fun([Sock]) ->
emqx_client_sock:send(Sock,
raw_send_serialize(
?CONNECT_PACKET(
#mqtt_packet_connect{
proto_ver = ?MQTT_PROTO_V5,
properties =
#{'Request-Problem-Information' => 2}}))),
{ok, Data} = gen_tcp:recv(Sock, 0),
{ok, ?DISCONNECT_PACKET(?RC_PROTOCOL_ERROR), _} = raw_recv_parse(Data, ?MQTT_PROTO_V5)
end),
with_connection(fun([Sock]) ->
emqx_client_sock:send(Sock,
raw_send_serialize(
?CONNECT_PACKET(
#mqtt_packet_connect{
proto_ver = ?MQTT_PROTO_V5,
properties =
#{'Request-Response-Information' => 1}})
)),
{ok, Data} = gen_tcp:recv(Sock, 0),
{ok, ?CONNACK_PACKET(?RC_SUCCESS, 0,
#{'Response-Information' := _RespInfo}), _} =
raw_recv_parse(Data, ?MQTT_PROTO_V5)
end),
% topic alias = 0
with_connection(fun([Sock]) ->
emqx_client_sock:send(Sock,
raw_send_serialize(
?CONNECT_PACKET(
#mqtt_packet_connect{
proto_ver = ?MQTT_PROTO_V5,
properties =
#{'Topic-Alias-Maximum' => 10}}),
#{version => ?MQTT_PROTO_V5}
)),
{ok, Data} = gen_tcp:recv(Sock, 0),
{ok, ?CONNACK_PACKET(?RC_SUCCESS, 0,
#{'Topic-Alias-Maximum' := 20}), _} =
raw_recv_parse(Data, ?MQTT_PROTO_V5),
emqx_client_sock:send(Sock,
raw_send_serialize(
?PUBLISH_PACKET(?QOS_1, <<"TopicA">>, 1, #{'Topic-Alias' => 0}, <<"hello">>),
#{version => ?MQTT_PROTO_V5}
)),
{ok, Data2} = gen_tcp:recv(Sock, 0),
{ok, ?DISCONNECT_PACKET(?RC_TOPIC_ALIAS_INVALID), _} = raw_recv_parse(Data2, ?MQTT_PROTO_V5)
end),
% topic alias maximum
with_connection(fun([Sock]) ->
emqx_client_sock:send(Sock,
raw_send_serialize(
?CONNECT_PACKET(
#mqtt_packet_connect{
proto_ver = ?MQTT_PROTO_V5,
properties =
#{'Topic-Alias-Maximum' => 10}}),
#{version => ?MQTT_PROTO_V5}
)),
{ok, Data} = gen_tcp:recv(Sock, 0),
{ok, ?CONNACK_PACKET(?RC_SUCCESS, 0,
#{'Topic-Alias-Maximum' := 20}), _} =
raw_recv_parse(Data, ?MQTT_PROTO_V5),
emqx_client_sock:send(Sock, raw_send_serialize(?SUBSCRIBE_PACKET(1, [{<<"TopicA">>, #{rh => 1,
qos => ?QOS_2,
rap => 0,
nl => 0,
rc => 0}}]),
#{version => ?MQTT_PROTO_V5})),
{ok, Data2} = gen_tcp:recv(Sock, 0),
{ok, ?SUBACK_PACKET(1, #{}, [2]), _} = raw_recv_parse(Data2, ?MQTT_PROTO_V5),
emqx_client_sock:send(Sock,
raw_send_serialize(
?PUBLISH_PACKET(?QOS_1, <<"TopicA">>, 1, #{'Topic-Alias' => 9}, <<"hello">>),
#{version => ?MQTT_PROTO_V5}
)),
{ok, Data3} = gen_tcp:recv(Sock, 0),
{ok, ?PUBACK_PACKET(1, 0), _} = raw_recv_parse(Data3, ?MQTT_PROTO_V5),
{ok, Data4} = gen_tcp:recv(Sock, 0),
{ok, ?PUBLISH_PACKET(?QOS_1, <<"TopicA">>, _, <<"hello">>), _} = raw_recv_parse(Data4, ?MQTT_PROTO_V5),
emqx_client_sock:send(Sock,
raw_send_serialize(
?PUBLISH_PACKET(?QOS_1, <<"TopicA">>, 2, #{'Topic-Alias' => 18}, <<"hello">>),
#{version => ?MQTT_PROTO_V5}
)),
{ok, Data5} = gen_tcp:recv(Sock, 0),
{ok, ?PUBACK_PACKET(2, 0), _} = raw_recv_parse(Data5, ?MQTT_PROTO_V5),
{ok, Data6} = gen_tcp:recv(Sock, 0),
{ok, ?DISCONNECT_PACKET(?RC_TOPIC_ALIAS_INVALID), _} = raw_recv_parse(Data6, ?MQTT_PROTO_V5)
end),
% topic alias maximum 2
with_connection(fun([Sock]) ->
emqx_client_sock:send(Sock,
raw_send_serialize(
?CONNECT_PACKET(
#mqtt_packet_connect{
proto_ver = ?MQTT_PROTO_V5,
properties =
#{'Topic-Alias-Maximum' => 10}}),
#{version => ?MQTT_PROTO_V5}
)),
{ok, Data} = gen_tcp:recv(Sock, 0),
{ok, ?CONNACK_PACKET(?RC_SUCCESS, 0,
#{'Topic-Alias-Maximum' := 20}), _} =
raw_recv_parse(Data, ?MQTT_PROTO_V5),
emqx_client_sock:send(Sock,
raw_send_serialize(
?PUBLISH_PACKET(?QOS_1, <<"TopicA">>, 1, #{'Topic-Alias' => 21}, <<"hello">>),
#{version => ?MQTT_PROTO_V5}
)),
{ok, Data2} = gen_tcp:recv(Sock, 0),
{ok, ?DISCONNECT_PACKET(?RC_TOPIC_ALIAS_INVALID), _} = raw_recv_parse(Data2, ?MQTT_PROTO_V5)
end),
% test clean start
with_connection(fun([Sock]) ->
emqx_client_sock:send(Sock,
raw_send_serialize(
?CONNECT_PACKET(
#mqtt_packet_connect{
proto_ver = ?MQTT_PROTO_V5,
clean_start = true,
client_id = <<"myclient">>,
properties =
#{'Session-Expiry-Interval' => 10}})
)),
{ok, Data} = gen_tcp:recv(Sock, 0),
{ok, ?CONNACK_PACKET(?RC_SUCCESS, 0), _} = raw_recv_parse(Data, ?MQTT_PROTO_V5),
emqx_client_sock:send(Sock, raw_send_serialize(
?DISCONNECT_PACKET(?RC_SUCCESS)
))
end),
timer:sleep(1000),
with_connection(fun([Sock]) ->
emqx_client_sock:send(Sock,
raw_send_serialize(
?CONNECT_PACKET(
#mqtt_packet_connect{
proto_ver = ?MQTT_PROTO_V5,
clean_start = false,
client_id = <<"myclient">>,
properties =
#{'Session-Expiry-Interval' => 10}})
)),
{ok, Data} = gen_tcp:recv(Sock, 0),
{ok, ?CONNACK_PACKET(?RC_SUCCESS, 1), _} = raw_recv_parse(Data, ?MQTT_PROTO_V5)
end),
% test will message publish and cancel
with_connection(fun([Sock]) ->
emqx_client_sock:send(Sock,
raw_send_serialize(
?CONNECT_PACKET(
#mqtt_packet_connect{
proto_ver = ?MQTT_PROTO_V5,
clean_start = true,
client_id = <<"myclient">>,
will_flag = true,
will_qos = ?QOS_1,
will_retain = false,
will_props = #{'Will-Delay-Interval' => 5},
will_topic = <<"TopicA">>,
will_payload = <<"will message">>,
properties = #{'Session-Expiry-Interval' => 3}
}
)
)
),
{ok, Data} = gen_tcp:recv(Sock, 0),
{ok, ?CONNACK_PACKET(?RC_SUCCESS, 0), _} = raw_recv_parse(Data, ?MQTT_PROTO_V5),
{ok, Sock2} = emqx_client_sock:connect({127, 0, 0, 1}, 1883,
[binary, {packet, raw},
{active, false}], 3000),
do_connect(Sock2, ?MQTT_PROTO_V5),
emqx_client_sock:send(Sock2, raw_send_serialize(?SUBSCRIBE_PACKET(1, [{<<"TopicA">>, #{rh => 1,
qos => ?QOS_2,
rap => 0,
nl => 0,
rc => 0}}]),
#{version => ?MQTT_PROTO_V5})),
{ok, SubData} = gen_tcp:recv(Sock2, 0),
{ok, ?SUBACK_PACKET(1, #{}, [2]), _} = raw_recv_parse(SubData, ?MQTT_PROTO_V5),
emqx_client_sock:send(Sock, raw_send_serialize(
?DISCONNECT_PACKET(?RC_DISCONNECT_WITH_WILL_MESSAGE)
)
),
{error, timeout} = gen_tcp:recv(Sock2, 0, 1000),
% session resumed
{ok, Sock3} = emqx_client_sock:connect({127, 0, 0, 1}, 1883,
[binary, {packet, raw},
{active, false}], 3000),
emqx_client_sock:send(Sock3,
raw_send_serialize(
?CONNECT_PACKET(
#mqtt_packet_connect{
proto_ver = ?MQTT_PROTO_V5,
clean_start = false,
client_id = <<"myclient">>,
will_flag = true,
will_qos = ?QOS_1,
will_retain = false,
will_props = #{'Will-Delay-Interval' => 5},
will_topic = <<"TopicA">>,
will_payload = <<"will message 2">>,
properties = #{'Session-Expiry-Interval' => 3}
}
)
)
),
{ok, Data3} = gen_tcp:recv(Sock3, 0),
{ok, ?CONNACK_PACKET(?RC_SUCCESS, 1), _} = raw_recv_parse(Data3, ?MQTT_PROTO_V5),
emqx_client_sock:send(Sock3, raw_send_serialize(
?DISCONNECT_PACKET(?RC_DISCONNECT_WITH_WILL_MESSAGE)
)
),
{ok, WillData} = gen_tcp:recv(Sock2, 0),
{ok, ?PUBLISH_PACKET(?QOS_1, <<"TopicA">>, _, <<"will message 2">>), _} = raw_recv_parse(WillData, ?MQTT_PROTO_V5),
emqx_client_sock:close(Sock2)
end),
% duplicate client id
with_connection(fun([Sock, Sock1]) ->
emqx_zone:set_env(external, use_username_as_clientid, true),
emqx_client_sock:send(Sock,
raw_send_serialize(
?CONNECT_PACKET(
#mqtt_packet_connect{
proto_ver = ?MQTT_PROTO_V5,
clean_start = true,
client_id = <<"myclient">>,
properties =
#{'Session-Expiry-Interval' => 10}})
)),
{ok, Data} = gen_tcp:recv(Sock, 0),
{ok, ?CONNACK_PACKET(?RC_SUCCESS, 0), _} = raw_recv_parse(Data, ?MQTT_PROTO_V5),
emqx_client_sock:send(Sock1,
raw_send_serialize(
?CONNECT_PACKET(
#mqtt_packet_connect{
proto_ver = ?MQTT_PROTO_V5,
clean_start = false,
client_id = <<"myclient">>,
username = <<"admin">>,
password = <<"public">>,
properties =
#{'Session-Expiry-Interval' => 10}})
)),
{ok, Data1} = gen_tcp:recv(Sock1, 0),
{ok, ?CONNACK_PACKET(?RC_SUCCESS, 0), _} = raw_recv_parse(Data1, ?MQTT_PROTO_V5),
emqx_client_sock:send(Sock, raw_send_serialize(?SUBSCRIBE_PACKET(1, [{<<"TopicA">>, #{rh => 1,
qos => ?QOS_2,
rap => 0,
nl => 0,
rc => 0}}]),
#{version => ?MQTT_PROTO_V5})),
{ok, SubData} = gen_tcp:recv(Sock, 0),
{ok, ?SUBACK_PACKET(1, #{}, [2]), _} = raw_recv_parse(SubData, ?MQTT_PROTO_V5),
emqx_client_sock:send(Sock1, raw_send_serialize(?SUBSCRIBE_PACKET(1, [{<<"TopicA">>, #{rh => 1,
qos => ?QOS_2,
rap => 0,
nl => 0,
rc => 0}}]),
#{version => ?MQTT_PROTO_V5})),
{ok, SubData1} = gen_tcp:recv(Sock1, 0),
{ok, ?SUBACK_PACKET(1, #{}, [2]), _} = raw_recv_parse(SubData1, ?MQTT_PROTO_V5)
end, 2),
ok.
do_connect(Sock, ProtoVer) ->
emqx_client_sock:send(Sock, raw_send_serialize(
?CONNECT_PACKET(
#mqtt_packet_connect{
client_id = <<"mqtt_client">>,
proto_ver = ProtoVer
}))),
{ok, Data} = gen_tcp:recv(Sock, 0),
{ok, ?CONNACK_PACKET(?CONNACK_ACCEPT), _} = raw_recv_parse(Data, ProtoVer).
subscribe_v4(_) ->
with_connection(fun([Sock]) ->
do_connect(Sock, ?MQTT_PROTO_V4),
SubPacket = raw_send_serialize(
?SUBSCRIBE_PACKET(15,
[{<<"topic">>, #{rh => 1,
qos => ?QOS_2,
rap => 0,
nl => 0,
rc => 0}}])),
emqx_client_sock:send(Sock, SubPacket),
{ok, Data} = gen_tcp:recv(Sock, 0),
{ok, ?SUBACK_PACKET(15, _), _} = raw_recv_parse(Data, ?MQTT_PROTO_V4)
end),
ok.
subscribe_v5(_) ->
with_connection(fun([Sock]) ->
do_connect(Sock, ?MQTT_PROTO_V5),
SubPacket = raw_send_serialize(?SUBSCRIBE_PACKET(15, #{'Subscription-Identifier' => -1},[]),
#{version => ?MQTT_PROTO_V5}),
emqx_client_sock:send(Sock, SubPacket),
{ok, DisConnData} = gen_tcp:recv(Sock, 0),
{ok, ?DISCONNECT_PACKET(?RC_TOPIC_FILTER_INVALID), _} =
raw_recv_parse(DisConnData, ?MQTT_PROTO_V5)
end),
with_connection(fun([Sock]) ->
do_connect(Sock, ?MQTT_PROTO_V5),
SubPacket = raw_send_serialize(
?SUBSCRIBE_PACKET(0, #{}, [{<<"TopicQos0">>,
#{rh => 1, qos => ?QOS_2,
rap => 0, nl => 0,
rc => 0}}]),
#{version => ?MQTT_PROTO_V5}),
emqx_client_sock:send(Sock, SubPacket),
{ok, DisConnData} = gen_tcp:recv(Sock, 0),
{ok, ?DISCONNECT_PACKET(?RC_MALFORMED_PACKET), _} =
raw_recv_parse(DisConnData, ?MQTT_PROTO_V5)
end),
with_connection(fun([Sock]) ->
do_connect(Sock, ?MQTT_PROTO_V5),
SubPacket = raw_send_serialize(
?SUBSCRIBE_PACKET(1, #{'Subscription-Identifier' => 0},
[{<<"TopicQos0">>,
#{rh => 1, qos => ?QOS_2,
rap => 0, nl => 0,
rc => 0}}]),
#{version => ?MQTT_PROTO_V5}),
emqx_client_sock:send(Sock, SubPacket),
{ok, DisConnData} = gen_tcp:recv(Sock, 0),
{ok, ?DISCONNECT_PACKET(?RC_SUBSCRIPTION_IDENTIFIERS_NOT_SUPPORTED), _} =
raw_recv_parse(DisConnData, ?MQTT_PROTO_V5)
end),
with_connection(fun([Sock]) ->
do_connect(Sock, ?MQTT_PROTO_V5),
SubPacket = raw_send_serialize(
?SUBSCRIBE_PACKET(1, #{'Subscription-Identifier' => 1},
[{<<"TopicQos0">>,
#{rh => 1, qos => ?QOS_2,
rap => 0, nl => 0,
rc => 0}}]),
#{version => ?MQTT_PROTO_V5}),
emqx_client_sock:send(Sock, SubPacket),
{ok, SubData} = gen_tcp:recv(Sock, 0),
{ok, ?SUBACK_PACKET(1, #{}, [2]), _} =
raw_recv_parse(SubData, ?MQTT_PROTO_V5)
end),
ok.
publish_v4(_) ->
ok.
publish_v5(_) ->
ok.
raw_send_serialize(Packet) ->
emqx_frame:serialize(Packet).
raw_send_serialize(Packet, Opts) ->
emqx_frame:serialize(Packet, Opts).
raw_recv_parse(P, ProtoVersion) ->
emqx_frame:parse(P, {none, #{max_packet_size => ?MAX_PACKET_SIZE,
version => ProtoVersion}}).