=== Test case: mam_SUITE:pagination_last_after_id5_before_id11/1 (click for source code)
=== Config value:
[{props,[{mam_ns,<<"urn:xmpp:mam:1">>}]},
{watchdog,<0.44629.0>},
{all_messages,
[{forwarded_message,<<"alice_unnamed_1865@domain.example.com">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"all_messages">>,<<"C2V6OEE4PSO1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"2023-12-07T07:53:32.447987Z">>,
<<"bob_unnamed_1865@domain.example.com/res1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,<<"chat">>,
<<"Message #1">>,[],[],false,undefined},
{forwarded_message,<<"alice_unnamed_1865@domain.example.com">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"all_messages">>,<<"C2V6OEE6CC01">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"2023-12-07T07:53:32.454448Z">>,
<<"bob_unnamed_1865@domain.example.com/res1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,<<"chat">>,
<<"Message #2">>,[],[],false,undefined},
{forwarded_message,<<"alice_unnamed_1865@domain.example.com">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"all_messages">>,<<"C2V6OEE74T81">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"2023-12-07T07:53:32.457589Z">>,
<<"bob_unnamed_1865@domain.example.com/res1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,<<"chat">>,
<<"Message #3">>,[],[],false,undefined},
{forwarded_message,<<"alice_unnamed_1865@domain.example.com">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"all_messages">>,<<"C2V6OEE7U301">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"2023-12-07T07:53:32.460812Z">>,
<<"bob_unnamed_1865@domain.example.com/res1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,<<"chat">>,
<<"Message #4">>,[],[],false,undefined},
{forwarded_message,<<"alice_unnamed_1865@domain.example.com">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"all_messages">>,<<"C2V6OEE8N5G1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"2023-12-07T07:53:32.464022Z">>,
<<"bob_unnamed_1865@domain.example.com/res1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,<<"chat">>,
<<"Message #5">>,[],[],false,undefined},
{forwarded_message,<<"alice_unnamed_1865@domain.example.com">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"all_messages">>,<<"C2V6OEE9I6O1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"2023-12-07T07:53:32.467483Z">>,
<<"bob_unnamed_1865@domain.example.com/res1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,<<"chat">>,
<<"Message #6">>,[],[],false,undefined},
{forwarded_message,<<"alice_unnamed_1865@domain.example.com">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"all_messages">>,<<"C2V6OEEA2H81">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"2023-12-07T07:53:32.469573Z">>,
<<"bob_unnamed_1865@domain.example.com/res1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,<<"chat">>,
<<"Message #7">>,[],[],false,undefined},
{forwarded_message,<<"alice_unnamed_1865@domain.example.com">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"all_messages">>,<<"C2V6OEEAE581">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"2023-12-07T07:53:32.471061Z">>,
<<"bob_unnamed_1865@domain.example.com/res1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,<<"chat">>,
<<"Message #8">>,[],[],false,undefined},
{forwarded_message,<<"alice_unnamed_1865@domain.example.com">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"all_messages">>,<<"C2V6OEEAP301">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"2023-12-07T07:53:32.472460Z">>,
<<"bob_unnamed_1865@domain.example.com/res1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,<<"chat">>,
<<"Message #9">>,[],[],false,undefined},
{forwarded_message,<<"alice_unnamed_1865@domain.example.com">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"all_messages">>,<<"C2V6OEEB3UO1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"2023-12-07T07:53:32.473851Z">>,
<<"bob_unnamed_1865@domain.example.com/res1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,<<"chat">>,
<<"Message #10">>,[],[],false,undefined},
{forwarded_message,<<"alice_unnamed_1865@domain.example.com">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"all_messages">>,<<"C2V6OEEBFD81">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"2023-12-07T07:53:32.475317Z">>,
<<"bob_unnamed_1865@domain.example.com/res1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,<<"chat">>,
<<"Message #11">>,[],[],false,undefined},
{forwarded_message,<<"alice_unnamed_1865@domain.example.com">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"all_messages">>,<<"C2V6OEEBQCO1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"2023-12-07T07:53:32.476723Z">>,
<<"bob_unnamed_1865@domain.example.com/res1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,<<"chat">>,
<<"Message #12">>,[],[],false,undefined},
{forwarded_message,<<"alice_unnamed_1865@domain.example.com">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"all_messages">>,<<"C2V6OEEC6T81">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"2023-12-07T07:53:32.478325Z">>,
<<"bob_unnamed_1865@domain.example.com/res1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,<<"chat">>,
<<"Message #13">>,[],[],false,undefined},
{forwarded_message,<<"alice_unnamed_1865@domain.example.com">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"all_messages">>,<<"C2V6OEECL3G1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"2023-12-07T07:53:32.480142Z">>,
<<"bob_unnamed_1865@domain.example.com/res1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,<<"chat">>,
<<"Message #14">>,[],[],false,undefined},
{forwarded_message,<<"alice_unnamed_1865@domain.example.com">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"all_messages">>,<<"C2V6OEED1101">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,
<<"2023-12-07T07:53:32.481668Z">>,
<<"bob_unnamed_1865@domain.example.com/res1">>,
<<"alice_unnamed_1865@domain.example.com/res1">>,<<"chat">>,
<<"Message #15">>,[],[],false,undefined}]},
{basic_group,mam_all},
{configuration,rdbms_async_pool},
{wait_for_parallel_writer,[pm]},
{mam_meta_opts,
#{cache =>
#{module => internal,strategy => fifo,number_of_segments => 3,
time_to_live => 480},
is_archivable_message => mod_mam_utils,
send_message => mod_mam_utils,backend => rdbms,
full_text_search => true,message_retraction => true,
max_result_limit => 50,
pm => #{archive_groupchats => false,same_mam_id_for_peers => false},
default_result_limit => 50,enforce_simple_queries => false,
archive_chat_markers => false,
async_writer =>
#{enabled => true,pool_size => 16,batch_size => 30,
flush_interval => 1},
no_stanzaid_element => false,user_prefs_store => rdbms,
cache_users => false}},
{mod_offline_loaded,false},
{escalus_user_db,{module,escalus_ejabberd}},
{preset,"mysql_redis"},
{mim_data_dir,"/home/circleci/project/big_tests/tests/mam_SUITE_data"},
{tc_logfile,
"/home/circleci/project/big_tests/ct_report/ct_run.test@d3b7dd7159a8.2023-12-07_07.46.41/big_tests.tests.mam_SUITE.logs/run.2023-12-07_07.53.13/mam_suite.pagination_last_after_id5_before_id11.35973.html"},
{tc_group_properties,[{name,rsm04},parallel]},
{tc_group_path,
[[{name,rsm_all}],[{name,rdbms_async_pool_mam_all},parallel]]},
{data_dir,
"/home/circleci/project/big_tests/_build/default/lib/mongoose_tests/ebin/mam_SUITE_data/"},
{priv_dir,
"/home/circleci/project/big_tests/ct_report/ct_run.test@d3b7dd7159a8.2023-12-07_07.46.41/big_tests.tests.mam_SUITE.logs/run.2023-12-07_07.53.13/log_private/"},
{config_backup,
#{[shaper,fast] => {ok,#{max_rate => 50000}},
[shaper,mam_shaper] => {ok,#{max_rate => 1}},
[shaper,normal] => {ok,#{max_rate => 1000}},
[{access,<<"test type">>},max_user_sessions] =>
{ok,[#{value => 10,acl => all}]}}},
{{saved_modules,mongooseim@localhost,<<"test type">>},
#{mod_vcard =>
#{matches => 30,
host => {prefix,<<"vjud.">>},
search => true,backend => rdbms,iqdisc => parallel},
mod_roster =>
#{backend => rdbms,iqdisc => one_queue,versioning => false,
store_current_id => false},
mod_amp => #{},
mod_register =>
#{access => register,iqdisc => one_queue,
registration_watchers => [],password_strength => 0,
ip_access => [{allow,"127.0.0.0/8"},{deny,"0.0.0.0/0"}]},
mod_sic => #{iqdisc => one_queue},
mod_disco =>
#{iqdisc => one_queue,users_can_see_hidden_services => false,
server_info => [],extra_domains => []},
mod_presence => #{},
mod_stream_management =>
#{buffer => true,ack => true,backend => mnesia,
stale_h =>
#{enabled => false,repeat_after => 1800,geriatric => 3600},
buffer_max => 100,ack_freq => 1,resume_timeout => 600},
mod_muc_log =>
#{dirname => room_jid,outdir => "/tmp/muclogs",
file_format => html,css_file => false,timezone => local,
spam_prevention => true,
top_link => {"/","Home"},
access_log => muc,dirtype => subdirs},
mod_adhoc => #{iqdisc => one_queue,report_commands_node => false},
mod_bosh =>
#{backend => mnesia,inactivity => 30,max_pause => 120,
max_wait => infinity,server_acks => false},
mod_cache_users =>
#{strategy => fifo,number_of_segments => 5,time_to_live => 2},
mod_carboncopy => #{iqdisc => no_queue},
mod_muc =>
#{access => muc,
host => {prefix,<<"groupchats.">>},
backend => rdbms,online_backend => mnesia,max_users => 200,
room_shaper => none,http_auth_pool => none,
hibernate_timeout => 2000,history_size => 20,
hibernated_room_check_interval => 1000,
hibernated_room_timeout => 2000,access_create => muc_create,
access_admin => none,access_persistent => all,
default_room =>
#{public => true,description => <<>>,title => <<>>,
persistent => false,password => <<>>,affiliations => [],
subject => <<>>,anonymous => true,
allow_change_subj => true,allow_query_users => true,
allow_private_messages => true,
allow_visitor_status => true,
allow_visitor_nickchange => true,public_list => true,
moderated => true,members_by_default => true,
members_only => false,allow_user_invites => false,
allow_multiple_sessions => false,
password_protected => false,max_users => 200,
maygetmemberlist => [],logging => false,
subject_author => <<>>},
load_permanent_rooms_at_startup => false,
max_room_id => infinity,min_presence_interval => 0,
max_users_admin_threshold => 5,user_message_shaper => none,
user_presence_shaper => none,min_message_interval => 0,
max_user_conferences => 10,max_room_name => infinity,
max_room_desc => infinity}}},
{escalus_users,
[{alice,
[{username,<<"alicE_unnamed_1865">>},
{server,<<"domain.example.com">>},
{host,<<"localhost">>},
{password,<<"matygrysa">>}]},
{bob,
[{username,<<"bOb_unnamed_1865">>},
{server,<<"domain.example.com">>},
{host,<<"localhost">>},
{password,<<"makrolika">>}]},
{kate,
[{username,<<"kate_unnamed_1865">>},
{server,<<"domain.example.com">>},
{host,<<"localhost">>},
{password,<<"makrowe;p">>}]},
{carol,
[{username,<<"carol_unnamed_1865">>},
{server,<<"domain.example.com">>},
{host,<<"localhost">>},
{password,<<"jinglebells">>},
{transport,escalus_bosh},
{path,<<"/http-bind">>},
{port,5280}]}]}]
=== Current directory is "/home/circleci/project/big_tests/ct_report/ct_run.test@d3b7dd7159a8.2023-12-07_07.46.41"
=== Started at 2023-12-07 07:53:32
*** User 2023-12-07 07:53:32.642 ***🔗
alicE_unnamed_1865@domain.example.com/res10.44719.0 out
<stream:stream to='domain.example.com' version='1.0' xml:lang='en' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams'>
*** User 2023-12-07 07:53:32.643 ***🔗
alicE_unnamed_1865@domain.example.com/res10.44719.0 in
<stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' id='20f44cd796461972' from='domain.example.com' version='1.0' xml:lang='en'>
*** User 2023-12-07 07:53:32.643 ***🔗
alicE_unnamed_1865@domain.example.com/res10.44719.0 in
<stream:features>
<register xmlns='http://jabber.org/features/iq-register'/>
<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>
<mechanisms xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>
<mechanism>SCRAM-SHA-256</mechanism>
<mechanism>PLAIN</mechanism>
</mechanisms>
<amp xmlns='http://jabber.org/feature/amp'/>
<sm xmlns='urn:xmpp:sm:3'/>
</stream:features>
*** User 2023-12-07 07:53:32.644 ***🔗
alicE_unnamed_1865@domain.example.com/res10.44719.0 out
<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='PLAIN'>AGFsaWNFX3VubmFtZWRfMTg2NQBtYXR5Z3J5c2E=</auth>
*** User 2023-12-07 07:53:32.644 ***🔗
alicE_unnamed_1865@domain.example.com/res10.44719.0 in
<success xmlns='urn:ietf:params:xml:ns:xmpp-sasl'/>
*** User 2023-12-07 07:53:32.644 ***🔗
alicE_unnamed_1865@domain.example.com/res10.44719.0 out
<stream:stream to='domain.example.com' version='1.0' xml:lang='en' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams'>
*** User 2023-12-07 07:53:32.645 ***🔗
alicE_unnamed_1865@domain.example.com/res10.44719.0 in
<stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' id='fe622f22cb6c4b29' from='domain.example.com' version='1.0' xml:lang='en' to='alice_unnamed_1865@domain.example.com'>
*** User 2023-12-07 07:53:32.645 ***🔗
alicE_unnamed_1865@domain.example.com/res10.44719.0 in
<stream:features>
<session xmlns='urn:ietf:params:xml:ns:xmpp-session'/>
<bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'/>
<register xmlns='http://jabber.org/features/iq-register'/>
<amp xmlns='http://jabber.org/feature/amp'/>
<sm xmlns='urn:xmpp:sm:3'/>
</stream:features>
*** User 2023-12-07 07:53:32.645 ***🔗
alicE_unnamed_1865@domain.example.com/res10.44719.0 out
<iq type='set' id='4cc97fae268132f1551769ce2025c179'>
<bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'>
<resource>res10.44719.0</resource>
</bind>
</iq>
Could not find element with_rsm in Config.
Could not find element muc_rsm in Config.
*** User 2023-12-07 07:53:32.646 ***🔗
alicE_unnamed_1865@domain.example.com/res10.44719.0 in
<iq id='4cc97fae268132f1551769ce2025c179' type='result'>
<bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'>
<jid>alice_unnamed_1865@domain.example.com/res10.44719.0</jid>
</bind>
</iq>
*** User 2023-12-07 07:53:32.646 ***🔗
alice_unnamed_1865@domain.example.com/res10.44719.0 out
<iq type='set' id='82388aa5a6a95e02d7fbb2177aaea46f'>
<session xmlns='urn:ietf:params:xml:ns:xmpp-session'/>
</iq>
*** User 2023-12-07 07:53:32.647 ***🔗
alice_unnamed_1865@domain.example.com/res10.44719.0 in
<iq from='domain.example.com' to='alice_unnamed_1865@domain.example.com/res10.44719.0' id='82388aa5a6a95e02d7fbb2177aaea46f' type='result'>
<session xmlns='urn:ietf:params:xml:ns:xmpp-session'/>
</iq>
*** User 2023-12-07 07:53:32.647 ***🔗
alice_unnamed_1865@domain.example.com/res10.44719.0 out
<iq type='set' id='8b0b6e75b71fd313a00e28b234f97134'>
<query xmlns='urn:xmpp:mam:1' queryid='last_after_id5_before_id11'>
<x xmlns='jabber:x:data' type='submit'>
<field var='before_id'>
<value>C2V6OEEBFD81</value>
</field>
<field var='after_id'>
<value>C2V6OEE8N5G1</value>
</field>
</x>
<set>
<max>5</max>
<before/>
</set>
</query>
</iq>
*** User 2023-12-07 07:53:32.649 ***🔗
alice_unnamed_1865@domain.example.com/res10.44719.0 in
<message from='alice_unnamed_1865@domain.example.com' to='alice_unnamed_1865@domain.example.com/res10.44719.0' id='51df7bdd-86fc-4fdb-b18f-a85651429b9b'>
<result queryid='last_after_id5_before_id11' xmlns='urn:xmpp:mam:1' id='C2V6OEE9I6O1'>
<forwarded xmlns='urn:xmpp:forward:0'>
<delay xmlns='urn:xmpp:delay' stamp='2023-12-07T07:53:32.467483Z' from='alice_unnamed_1865@domain.example.com/res1'/>
<message from='alice_unnamed_1865@domain.example.com/res1' xmlns='jabber:client' type='chat' to='bob_unnamed_1865@domain.example.com/res1'>
<body>Message #6</body>
</message>
</forwarded>
</result>
</message>
*** User 2023-12-07 07:53:32.649 ***🔗
alice_unnamed_1865@domain.example.com/res10.44719.0 in
<message from='alice_unnamed_1865@domain.example.com' to='alice_unnamed_1865@domain.example.com/res10.44719.0' id='5a4b33e8-dec6-4fde-aab7-aa90b55c0669'>
<result queryid='last_after_id5_before_id11' xmlns='urn:xmpp:mam:1' id='C2V6OEEA2H81'>
<forwarded xmlns='urn:xmpp:forward:0'>
<delay xmlns='urn:xmpp:delay' stamp='2023-12-07T07:53:32.469573Z' from='alice_unnamed_1865@domain.example.com/res1'/>
<message from='alice_unnamed_1865@domain.example.com/res1' xmlns='jabber:client' type='chat' to='bob_unnamed_1865@domain.example.com/res1'>
<body>Message #7</body>
</message>
</forwarded>
</result>
</message>
*** User 2023-12-07 07:53:32.650 ***🔗
alice_unnamed_1865@domain.example.com/res10.44719.0 in
<message from='alice_unnamed_1865@domain.example.com' to='alice_unnamed_1865@domain.example.com/res10.44719.0' id='834add8c-f6cf-434b-b55f-65f83ec19487'>
<result queryid='last_after_id5_before_id11' xmlns='urn:xmpp:mam:1' id='C2V6OEEAE581'>
<forwarded xmlns='urn:xmpp:forward:0'>
<delay xmlns='urn:xmpp:delay' stamp='2023-12-07T07:53:32.471061Z' from='alice_unnamed_1865@domain.example.com/res1'/>
<message from='alice_unnamed_1865@domain.example.com/res1' xmlns='jabber:client' type='chat' to='bob_unnamed_1865@domain.example.com/res1'>
<body>Message #8</body>
</message>
</forwarded>
</result>
</message>
*** User 2023-12-07 07:53:32.651 ***🔗
alice_unnamed_1865@domain.example.com/res10.44719.0 in
<message from='alice_unnamed_1865@domain.example.com' to='alice_unnamed_1865@domain.example.com/res10.44719.0' id='8e28fc07-023c-4be7-b41f-c12b8618c638'>
<result queryid='last_after_id5_before_id11' xmlns='urn:xmpp:mam:1' id='C2V6OEEAP301'>
<forwarded xmlns='urn:xmpp:forward:0'>
<delay xmlns='urn:xmpp:delay' stamp='2023-12-07T07:53:32.472460Z' from='alice_unnamed_1865@domain.example.com/res1'/>
<message from='alice_unnamed_1865@domain.example.com/res1' xmlns='jabber:client' type='chat' to='bob_unnamed_1865@domain.example.com/res1'>
<body>Message #9</body>
</message>
</forwarded>
</result>
</message>
*** User 2023-12-07 07:53:32.651 ***🔗
alice_unnamed_1865@domain.example.com/res10.44719.0 in
<message from='alice_unnamed_1865@domain.example.com' to='alice_unnamed_1865@domain.example.com/res10.44719.0' id='5baa24fa-cb47-4bea-8ba7-818839d57f51'>
<result queryid='last_after_id5_before_id11' xmlns='urn:xmpp:mam:1' id='C2V6OEEB3UO1'>
<forwarded xmlns='urn:xmpp:forward:0'>
<delay xmlns='urn:xmpp:delay' stamp='2023-12-07T07:53:32.473851Z' from='alice_unnamed_1865@domain.example.com/res1'/>
<message from='alice_unnamed_1865@domain.example.com/res1' xmlns='jabber:client' type='chat' to='bob_unnamed_1865@domain.example.com/res1'>
<body>Message #10</body>
</message>
</forwarded>
</result>
</message>
*** User 2023-12-07 07:53:32.651 ***🔗
alice_unnamed_1865@domain.example.com/res10.44719.0 in
<iq from='alice_unnamed_1865@domain.example.com' to='alice_unnamed_1865@domain.example.com/res10.44719.0' id='8b0b6e75b71fd313a00e28b234f97134' type='result'>
<fin xmlns='urn:xmpp:mam:1' complete='true'>
<set xmlns='http://jabber.org/protocol/rsm'>
<first index='0'>C2V6OEE9I6O1</first>
<last>C2V6OEEB3UO1</last>
<count>5</count>
</set>
</fin>
</iq>
*** User 2023-12-07 07:53:32.651 ***🔗
alice_unnamed_1865@domain.example.com/res10.44719.0 out
</stream:stream>
*** User 2023-12-07 07:53:32.652 ***🔗
alice_unnamed_1865@domain.example.com/res10.44719.0 in
</stream:stream>
=== Ended at 2023-12-07 07:53:32
=== successfully completed test case
=== === Returned value: ok