mirror of
https://github.com/processone/ejabberd.git
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Clean mod_last.erl from DB specific code
This commit is contained in:
Evgeniy Khramtsov
parent
5eef8a8bcf
commit
7fd4808cde
3
include/mod_last.hrl
Normal file
3
include/mod_last.hrl
Normal file
@ -0,0 +1,3 @@
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-record(last_activity, {us = {<<"">>, <<"">>} :: {binary(), binary()},
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timestamp = 0 :: non_neg_integer(),
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status = <<"">> :: binary()}).
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152
src/mod_last.erl
152
src/mod_last.erl
@ -45,23 +45,21 @@
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-include("jlib.hrl").
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-include("mod_privacy.hrl").
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-include("mod_last.hrl").
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-record(last_activity, {us = {<<"">>, <<"">>} :: {binary(), binary()},
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timestamp = 0 :: non_neg_integer(),
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status = <<"">> :: binary()}).
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-callback init(binary(), gen_mod:opts()) -> any().
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-callback import(binary(), #last_activity{}) -> ok | pass.
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-callback get_last(binary(), binary()) ->
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{ok, non_neg_integer(), binary()} | not_found | {error, any()}.
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-callback store_last_info(binary(), binary(), non_neg_integer(), binary()) ->
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{atomic, any()}.
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-callback remove_user(binary(), binary()) -> {atomic, any()}.
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start(Host, Opts) ->
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IQDisc = gen_mod:get_opt(iqdisc, Opts, fun gen_iq_handler:check_type/1,
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one_queue),
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case gen_mod:db_type(Host, Opts) of
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mnesia ->
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mnesia:create_table(last_activity,
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[{disc_copies, [node()]},
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{attributes,
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record_info(fields, last_activity)}]),
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update_table();
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_ -> ok
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end,
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Mod = gen_mod:db_mod(Host, Opts, ?MODULE),
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Mod:init(Host, Opts),
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gen_iq_handler:add_iq_handler(ejabberd_local, Host,
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?NS_LAST, ?MODULE, process_local_iq, IQDisc),
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gen_iq_handler:add_iq_handler(ejabberd_sm, Host,
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@ -163,38 +161,8 @@ process_sm_iq(From, To,
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%% @spec (LUser::string(), LServer::string()) ->
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%% {ok, TimeStamp::integer(), Status::string()} | not_found | {error, Reason}
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get_last(LUser, LServer) ->
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get_last(LUser, LServer,
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gen_mod:db_type(LServer, ?MODULE)).
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get_last(LUser, LServer, mnesia) ->
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case catch mnesia:dirty_read(last_activity,
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{LUser, LServer})
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of
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{'EXIT', Reason} -> {error, Reason};
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[] -> not_found;
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[#last_activity{timestamp = TimeStamp,
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status = Status}] ->
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{ok, TimeStamp, Status}
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end;
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get_last(LUser, LServer, riak) ->
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case ejabberd_riak:get(last_activity, last_activity_schema(),
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{LUser, LServer}) of
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{ok, #last_activity{timestamp = TimeStamp,
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status = Status}} ->
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{ok, TimeStamp, Status};
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{error, notfound} ->
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not_found;
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Err ->
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Err
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end;
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get_last(LUser, LServer, odbc) ->
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case catch odbc_queries:get_last(LServer, LUser) of
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{selected, []} ->
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not_found;
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{selected, [{TimeStamp, Status}]} ->
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{ok, TimeStamp, Status};
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Reason -> {error, {invalid_result, Reason}}
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end.
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Mod = gen_mod:db_mod(LServer, ?MODULE),
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Mod:get_last(LUser, LServer).
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get_last_iq(#iq{lang = Lang} = IQ, SubEl, LUser, LServer) ->
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case ejabberd_sm:get_user_resources(LUser, LServer) of
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@ -237,29 +205,8 @@ on_presence_update(User, Server, _Resource, Status) ->
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store_last_info(User, Server, TimeStamp, Status) ->
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LUser = jid:nodeprep(User),
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LServer = jid:nameprep(Server),
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DBType = gen_mod:db_type(LServer, ?MODULE),
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store_last_info(LUser, LServer, TimeStamp, Status,
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DBType).
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store_last_info(LUser, LServer, TimeStamp, Status,
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mnesia) ->
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US = {LUser, LServer},
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F = fun () ->
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mnesia:write(#last_activity{us = US,
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timestamp = TimeStamp,
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status = Status})
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end,
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mnesia:transaction(F);
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store_last_info(LUser, LServer, TimeStamp, Status,
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riak) ->
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US = {LUser, LServer},
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{atomic, ejabberd_riak:put(#last_activity{us = US,
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timestamp = TimeStamp,
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status = Status},
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last_activity_schema())};
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store_last_info(LUser, LServer, TimeStamp, Status,
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odbc) ->
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odbc_queries:set_last_t(LServer, LUser, TimeStamp, Status).
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Mod = gen_mod:db_mod(LServer, ?MODULE),
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Mod:store_last_info(LUser, LServer, TimeStamp, Status).
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%% @spec (LUser::string(), LServer::string()) ->
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%% {ok, TimeStamp::integer(), Status::string()} | not_found
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@ -272,71 +219,20 @@ get_last_info(LUser, LServer) ->
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remove_user(User, Server) ->
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LUser = jid:nodeprep(User),
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LServer = jid:nameprep(Server),
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DBType = gen_mod:db_type(LServer, ?MODULE),
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remove_user(LUser, LServer, DBType).
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Mod = gen_mod:db_mod(LServer, ?MODULE),
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Mod:remove_user(LUser, LServer).
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remove_user(LUser, LServer, mnesia) ->
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US = {LUser, LServer},
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F = fun () -> mnesia:delete({last_activity, US}) end,
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mnesia:transaction(F);
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remove_user(LUser, LServer, odbc) ->
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odbc_queries:del_last(LServer, LUser);
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remove_user(LUser, LServer, riak) ->
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{atomic, ejabberd_riak:delete(last_activity, {LUser, LServer})}.
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update_table() ->
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Fields = record_info(fields, last_activity),
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case mnesia:table_info(last_activity, attributes) of
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Fields ->
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ejabberd_config:convert_table_to_binary(
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last_activity, Fields, set,
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fun(#last_activity{us = {U, _}}) -> U end,
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fun(#last_activity{us = {U, S}, status = Status} = R) ->
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R#last_activity{us = {iolist_to_binary(U),
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iolist_to_binary(S)},
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status = iolist_to_binary(Status)}
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end);
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_ ->
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?INFO_MSG("Recreating last_activity table", []),
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mnesia:transform_table(last_activity, ignore, Fields)
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end.
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last_activity_schema() ->
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{record_info(fields, last_activity), #last_activity{}}.
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export(_Server) ->
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[{last_activity,
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fun(Host, #last_activity{us = {LUser, LServer},
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timestamp = TimeStamp, status = Status})
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when LServer == Host ->
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Username = ejabberd_odbc:escape(LUser),
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Seconds =
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ejabberd_odbc:escape(jlib:integer_to_binary(TimeStamp)),
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State = ejabberd_odbc:escape(Status),
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[[<<"delete from last where username='">>, Username, <<"';">>],
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[<<"insert into last(username, seconds, "
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"state) values ('">>,
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Username, <<"', '">>, Seconds, <<"', '">>, State,
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<<"');">>]];
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(_Host, _R) ->
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[]
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end}].
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export(LServer) ->
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Mod = gen_mod:db_mod(LServer, ?MODULE),
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Mod:export(LServer).
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import(LServer) ->
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[{<<"select username, seconds, state from last">>,
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fun([LUser, TimeStamp, State]) ->
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#last_activity{us = {LUser, LServer},
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timestamp = jlib:binary_to_integer(
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TimeStamp),
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status = State}
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end}].
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Mod = gen_mod:db_mod(LServer, ?MODULE),
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Mod:import(LServer).
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import(_LServer, mnesia, #last_activity{} = LA) ->
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mnesia:dirty_write(LA);
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import(_LServer, riak, #last_activity{} = LA) ->
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ejabberd_riak:put(LA, last_activity_schema());
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import(_, _, _) ->
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pass.
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import(LServer, DBType, LA) ->
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Mod = gen_mod:db_mod(DBType, ?MODULE),
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Mod:import(LServer, LA).
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transform_options(Opts) ->
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lists:foldl(fun transform_options/2, [], Opts).
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72
src/mod_last_mnesia.erl
Normal file
72
src/mod_last_mnesia.erl
Normal file
@ -0,0 +1,72 @@
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%%%-------------------------------------------------------------------
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%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%% @copyright (C) 2016, Evgeny Khramtsov
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%%% @doc
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%%%
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%%% @end
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%%% Created : 13 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%%-------------------------------------------------------------------
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-module(mod_last_mnesia).
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-behaviour(mod_last).
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%% API
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-export([init/2, import/2, get_last/2, store_last_info/4, remove_user/2]).
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-include("mod_last.hrl").
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-include("logger.hrl").
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%%%===================================================================
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%%% API
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%%%===================================================================
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init(_Host, _Opts) ->
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mnesia:create_table(last_activity,
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[{disc_copies, [node()]},
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{attributes,
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record_info(fields, last_activity)}]),
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update_table().
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get_last(LUser, LServer) ->
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case mnesia:dirty_read(last_activity, {LUser, LServer}) of
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[] ->
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not_found;
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[#last_activity{timestamp = TimeStamp,
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status = Status}] ->
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{ok, TimeStamp, Status}
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end.
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store_last_info(LUser, LServer, TimeStamp, Status) ->
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US = {LUser, LServer},
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F = fun () ->
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mnesia:write(#last_activity{us = US,
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timestamp = TimeStamp,
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status = Status})
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end,
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mnesia:transaction(F).
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remove_user(LUser, LServer) ->
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US = {LUser, LServer},
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F = fun () -> mnesia:delete({last_activity, US}) end,
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mnesia:transaction(F).
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import(_LServer, #last_activity{} = LA) ->
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mnesia:dirty_write(LA).
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%%%===================================================================
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%%% Internal functions
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%%%===================================================================
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update_table() ->
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Fields = record_info(fields, last_activity),
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case mnesia:table_info(last_activity, attributes) of
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Fields ->
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ejabberd_config:convert_table_to_binary(
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last_activity, Fields, set,
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fun(#last_activity{us = {U, _}}) -> U end,
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fun(#last_activity{us = {U, S}, status = Status} = R) ->
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R#last_activity{us = {iolist_to_binary(U),
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iolist_to_binary(S)},
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status = iolist_to_binary(Status)}
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end);
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_ ->
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?INFO_MSG("Recreating last_activity table", []),
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mnesia:transform_table(last_activity, ignore, Fields)
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end.
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53
src/mod_last_riak.erl
Normal file
53
src/mod_last_riak.erl
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@ -0,0 +1,53 @@
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%%%-------------------------------------------------------------------
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%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%% @copyright (C) 2016, Evgeny Khramtsov
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%%% @doc
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%%%
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%%% @end
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%%% Created : 13 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%%-------------------------------------------------------------------
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-module(mod_last_riak).
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-behaviour(mod_last).
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%% API
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-export([init/2, import/2, get_last/2, store_last_info/4, remove_user/2]).
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-include("mod_last.hrl").
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-include("logger.hrl").
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%%%===================================================================
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%%% API
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%%%===================================================================
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init(_Host, _Opts) ->
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ok.
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get_last(LUser, LServer) ->
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case ejabberd_riak:get(last_activity, last_activity_schema(),
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{LUser, LServer}) of
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{ok, #last_activity{timestamp = TimeStamp,
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status = Status}} ->
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{ok, TimeStamp, Status};
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{error, notfound} ->
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not_found;
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Err ->
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Err
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end.
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store_last_info(LUser, LServer, TimeStamp, Status) ->
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US = {LUser, LServer},
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{atomic, ejabberd_riak:put(#last_activity{us = US,
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timestamp = TimeStamp,
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status = Status},
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last_activity_schema())}.
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remove_user(LUser, LServer) ->
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{atomic, ejabberd_riak:delete(last_activity, {LUser, LServer})}.
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import(_LServer, #last_activity{} = LA) ->
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ejabberd_riak:put(LA, last_activity_schema()).
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%%%===================================================================
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%%% Internal functions
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%%%===================================================================
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last_activity_schema() ->
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{record_info(fields, last_activity), #last_activity{}}.
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75
src/mod_last_sql.erl
Normal file
75
src/mod_last_sql.erl
Normal file
@ -0,0 +1,75 @@
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%%%-------------------------------------------------------------------
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%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%% @copyright (C) 2016, Evgeny Khramtsov
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%%% @doc
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%%%
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%%% @end
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%%% Created : 13 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%%-------------------------------------------------------------------
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-module(mod_last_sql).
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-behaviour(mod_last).
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%% API
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-export([init/2, get_last/2, store_last_info/4, remove_user/2,
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import/1, import/2, export/1]).
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-include("mod_last.hrl").
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-include("logger.hrl").
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%%%===================================================================
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%%% API
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%%%===================================================================
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init(_Host, _Opts) ->
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ok.
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get_last(LUser, LServer) ->
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case catch odbc_queries:get_last(LServer, LUser) of
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{selected, []} ->
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not_found;
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{selected, [{TimeStamp, Status}]} ->
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{ok, TimeStamp, Status};
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Reason ->
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?ERROR_MSG("failed to get last for user ~s@~s: ~p",
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[LUser, LServer, Reason]),
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{error, {invalid_result, Reason}}
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end.
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store_last_info(LUser, LServer, TimeStamp, Status) ->
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odbc_queries:set_last_t(LServer, LUser, TimeStamp, Status).
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remove_user(LUser, LServer) ->
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odbc_queries:del_last(LServer, LUser).
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import(_LServer, _LA) ->
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pass.
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export(_Server) ->
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[{last_activity,
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fun(Host, #last_activity{us = {LUser, LServer},
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timestamp = TimeStamp, status = Status})
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when LServer == Host ->
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Username = ejabberd_odbc:escape(LUser),
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Seconds =
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ejabberd_odbc:escape(jlib:integer_to_binary(TimeStamp)),
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State = ejabberd_odbc:escape(Status),
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[[<<"delete from last where username='">>, Username, <<"';">>],
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[<<"insert into last(username, seconds, "
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"state) values ('">>,
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Username, <<"', '">>, Seconds, <<"', '">>, State,
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<<"');">>]];
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(_Host, _R) ->
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[]
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end}].
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import(LServer) ->
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[{<<"select username, seconds, state from last">>,
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fun([LUser, TimeStamp, State]) ->
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#last_activity{us = {LUser, LServer},
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timestamp = jlib:binary_to_integer(
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TimeStamp),
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status = State}
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end}].
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%%%===================================================================
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%%% Internal functions
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%%%===================================================================
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