parent
e56c6545fa
commit
e1f01f0c8a
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@ -47,7 +47,7 @@
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%%%===================================================================
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-spec init() -> ok | {error, any()}.
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init() ->
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Node = jlib:atom_to_binary(node()),
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Node = erlang:atom_to_binary(node(), latin1),
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?INFO_MSG("Cleaning SQL SM table...", []),
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lists:foldl(
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fun(Host, ok) ->
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@ -68,8 +68,8 @@ set_session(#session{sid = {Now, Pid}, usr = {U, LServer, R},
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InfoS = jlib:term_to_expr(Info),
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PrioS = enc_priority(Priority),
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TS = now_to_timestamp(Now),
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PidS = list_to_binary(erlang:pid_to_list(Pid)),
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Node = jlib:atom_to_binary(node(Pid)),
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PidS = enc_pid(Pid),
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Node = erlang:atom_to_binary(node(Pid), latin1),
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case ?SQL_UPSERT(LServer, "sm",
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["!usec=%(TS)d",
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"!pid=%(PidS)s",
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@ -89,7 +89,7 @@ delete_session(_LUser, LServer, _LResource, {Now, Pid}) ->
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PidS = list_to_binary(erlang:pid_to_list(Pid)),
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case ejabberd_sql:sql_query(
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LServer,
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?SQL("select @(usec)d, @(pid)s, @(username)s,"
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?SQL("select @(usec)d, @(pid)s, @(node)s, @(username)s,"
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" @(resource)s, @(priority)s, @(info)s "
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"from sm where usec=%(TS)d and pid=%(PidS)s")) of
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{selected, [Row]} ->
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@ -97,7 +97,9 @@ delete_session(_LUser, LServer, _LResource, {Now, Pid}) ->
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LServer,
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?SQL("delete from sm"
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" where usec=%(TS)d and pid=%(PidS)s")),
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{ok, row_to_session(LServer, Row)};
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try {ok, row_to_session(LServer, Row)}
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catch _:{node_down, _} -> {error, notfound}
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end;
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{selected, []} ->
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{error, notfound};
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Err ->
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@ -114,10 +116,15 @@ get_sessions() ->
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get_sessions(LServer) ->
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case ejabberd_sql:sql_query(
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LServer,
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?SQL("select @(usec)d, @(pid)s, @(username)s,"
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?SQL("select @(usec)d, @(pid)s, @(node)s, @(username)s,"
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" @(resource)s, @(priority)s, @(info)s from sm")) of
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{selected, Rows} ->
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[row_to_session(LServer, Row) || Row <- Rows];
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lists:flatmap(
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fun(Row) ->
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try [row_to_session(LServer, Row)]
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catch _:{node_down, _} -> []
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end
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end, Rows);
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Err ->
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?ERROR_MSG("failed to select from 'sm' table: ~p", [Err]),
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[]
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@ -126,11 +133,16 @@ get_sessions(LServer) ->
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get_sessions(LUser, LServer) ->
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case ejabberd_sql:sql_query(
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LServer,
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?SQL("select @(usec)d, @(pid)s, @(username)s,"
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?SQL("select @(usec)d, @(pid)s, @(node)s, @(username)s,"
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" @(resource)s, @(priority)s, @(info)s from sm"
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" where username=%(LUser)s")) of
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{selected, Rows} ->
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[row_to_session(LServer, Row) || Row <- Rows];
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lists:flatmap(
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fun(Row) ->
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try [row_to_session(LServer, Row)]
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catch _:{node_down, _} -> []
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end
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end, Rows);
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Err ->
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?ERROR_MSG("failed to select from 'sm' table: ~p", [Err]),
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[]
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@ -139,11 +151,16 @@ get_sessions(LUser, LServer) ->
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get_sessions(LUser, LServer, LResource) ->
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case ejabberd_sql:sql_query(
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LServer,
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?SQL("select @(usec)d, @(pid)s, @(username)s,"
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?SQL("select @(usec)d, @(pid)s, @(node)s, @(username)s,"
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" @(resource)s, @(priority)s, @(info)s from sm"
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" where username=%(LUser)s and resource=%(LResource)s")) of
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{selected, Rows} ->
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[row_to_session(LServer, Row) || Row <- Rows];
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lists:flatmap(
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fun(Row) ->
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try [row_to_session(LServer, Row)]
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catch _:{node_down, _} -> []
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end
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end, Rows);
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Err ->
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?ERROR_MSG("failed to select from 'sm' table: ~p", [Err]),
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[]
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@ -175,12 +192,39 @@ enc_priority(undefined) ->
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enc_priority(Int) when is_integer(Int) ->
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integer_to_binary(Int).
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row_to_session(LServer, {USec, PidS, User, Resource, PrioS, InfoS}) ->
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row_to_session(LServer, {USec, PidS, NodeS, User, Resource, PrioS, InfoS}) ->
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Now = timestamp_to_now(USec),
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Pid = erlang:list_to_pid(binary_to_list(PidS)),
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Pid = dec_pid(PidS, NodeS),
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Priority = dec_priority(PrioS),
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Info = ejabberd_sql:decode_term(InfoS),
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#session{sid = {Now, Pid}, us = {User, LServer},
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usr = {User, LServer, Resource},
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priority = Priority,
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info = Info}.
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-spec enc_pid(pid()) -> binary().
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enc_pid(Pid) ->
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list_to_binary(erlang:pid_to_list(Pid)).
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-spec dec_pid(binary(), binary()) -> pid().
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dec_pid(PidBin, NodeBin) ->
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PidStr = binary_to_list(PidBin),
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Pid = erlang:list_to_pid(PidStr),
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case erlang:binary_to_atom(NodeBin, latin1) of
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Node when Node == node() ->
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Pid;
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Node ->
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try set_node_id(PidStr, NodeBin)
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catch _:badarg ->
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erlang:error({node_down, Node})
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end
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end.
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-spec set_node_id(string(), binary()) -> pid().
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set_node_id(PidStr, NodeBin) ->
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ExtPidStr = erlang:pid_to_list(
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binary_to_term(
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<<131,103,100,(size(NodeBin)):16,NodeBin/binary,0:72>>)),
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[H|_] = string:tokens(ExtPidStr, "."),
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[_|T] = string:tokens(PidStr, "."),
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erlang:list_to_pid(string:join([H|T], ".")).
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