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xmpp.chapril.org-ejabberd
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make last_item_cache feature cluster aware (EJAB-1234)

This commit is contained in:
Christophe Romain 2010-05-28 11:32:51 +02:00
parent 9275a0020e
commit 01855b4e32
4 changed files with 102 additions and 97 deletions
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44
src/mod_pubsub/mod_pubsub.erl
View File

@ -186,9 +186,8 @@ init([ServerHost, Opts]) ->
pubsub_index:init(Host, ServerHost, Opts),
ets:new(gen_mod:get_module_proc(Host, config), [set, named_table]),
ets:new(gen_mod:get_module_proc(ServerHost, config), [set, named_table]),
ets:new(gen_mod:get_module_proc(Host, last_items), [set, named_table]),
ets:new(gen_mod:get_module_proc(ServerHost, last_items), [set, named_table]),
{Plugins, NodeTree, PepMapping} = init_plugins(Host, ServerHost, Opts),
mnesia:create_table(pubsub_last_item, [{ram_copies, [node()]}, {attributes, record_info(fields, pubsub_last_item)}]),
mod_disco:register_feature(ServerHostB, ?NS_PUBSUB_s),
ets:insert(gen_mod:get_module_proc(Host, config), {nodetree, NodeTree}),
ets:insert(gen_mod:get_module_proc(Host, config), {plugins, Plugins}),
@ -2141,7 +2140,7 @@ publish_item(Host, ServerHost, Node, Publisher, ItemId, Payload) ->
PluginPayload -> PluginPayload
end,
broadcast_publish_item(Host, Node, NodeId, Type, Options, Removed, ItemId, jlib:short_prepd_jid(Publisher), BroadcastPayload),
set_cached_item(Host, NodeId, ItemId, Payload),
set_cached_item(Host, NodeId, ItemId, Publisher, Payload),
case Result of
default -> {result, Reply};
_ -> {result, Result}
@ -2151,14 +2150,14 @@ publish_item(Host, ServerHost, Node, Publisher, ItemId, Payload) ->
Type = TNode#pubsub_node.type,
Options = TNode#pubsub_node.options,
broadcast_retract_items(Host, Node, NodeId, Type, Options, Removed),
set_cached_item(Host, NodeId, ItemId, Payload),
set_cached_item(Host, NodeId, ItemId, Publisher, Payload),
{result, Reply};
{result, {TNode, {Result, Removed}}} ->
NodeId = TNode#pubsub_node.id,
Type = TNode#pubsub_node.type,
Options = TNode#pubsub_node.options,
broadcast_retract_items(Host, Node, NodeId, Type, Options, Removed),
set_cached_item(Host, NodeId, ItemId, Payload),
set_cached_item(Host, NodeId, ItemId, Publisher, Payload),
{result, Result};
{result, {_, default}} ->
{result, Reply};
@ -2397,12 +2396,11 @@ send_items(Host, Node, NodeId, Type, LJID, last) ->
undefined ->
send_items(Host, Node, NodeId, Type, LJID, 1);
LastItem ->
{ModifNow, ModifLjid} = LastItem#pubsub_item.modification,
{ModifNow, ModifUSR} = LastItem#pubsub_item.modification,
Stanza = event_stanza_with_delay(
[#xmlel{ns = ?NS_PUBSUB_EVENT, name = 'items', attrs = nodeAttr(Node),
children = itemsEls(LastItem)}], ModifNow, ModifLjid),
{U, S, R} = LJID,
ejabberd_router:route(service_jid(Host), exmpp_jid:make(U, S, R), Stanza)
children = itemsEls([LastItem])}], ModifNow, ModifUSR),
ejabberd_router:route(service_jid(Host), exmpp_jid:make(LJID), Stanza)
end;
send_items(Host, Node, NodeId, Type, {LU, LS, LR} = LJID, Number) ->
ToSend = case node_action(Host, Type, get_items, [NodeId, LJID]) of
@ -2418,11 +2416,10 @@ send_items(Host, Node, NodeId, Type, {LU, LS, LR} = LJID, Number) ->
end,
Stanza = case ToSend of
[LastItem] ->
{ModifNow, {U, S, R}} = LastItem#pubsub_item.modification,
ModifLjid = exmpp_jid:make(U, S, R),
{ModifNow, ModifUSR} = LastItem#pubsub_item.modification,
event_stanza_with_delay(
[#xmlel{ns = ?NS_PUBSUB_EVENT, name = 'items', attrs = nodeAttr(Node), children =
itemsEls(ToSend)}], ModifNow, ModifLjid);
itemsEls(ToSend)}], ModifNow, ModifUSR);
_ ->
event_stanza(
[#xmlel{ns = ?NS_PUBSUB_EVENT, name = 'items', attrs = nodeAttr(Node), children =
@ -3048,10 +3045,10 @@ payload_els_ns([_|Tail], Count, NS) -> payload_els_ns(Tail, Count, NS).
event_stanza(Els) ->
event_stanza_withmoreels(Els, []).
event_stanza_with_delay(Els, ModifNow, ModifLjid) ->
event_stanza_with_delay(Els, ModifNow, {U, S, R}) ->
DateTime = calendar:now_to_datetime(ModifNow),
MoreEls = [jlib:timestamp_to_xml(DateTime, utc, ModifLjid, "")],
LJID = exmpp_jid:make(U, S, R),
MoreEls = [jlib:timestamp_to_xml(DateTime, utc, LJID, "")],
event_stanza_withmoreels(Els, MoreEls).
event_stanza_withmoreels(Els, MoreEls) ->
@ -3689,18 +3686,18 @@ is_last_item_cache_enabled(Host) ->
_ -> false
end.
set_cached_item({_, ServerHost, _}, NodeId, ItemId, Payload) ->
set_cached_item(ServerHost, NodeId, ItemId, Payload);
set_cached_item(Host, NodeId, ItemId, Payload) ->
set_cached_item({_, ServerHost, _}, NodeId, ItemId, Publisher, Payload) ->
set_cached_item(ServerHost, NodeId, ItemId, Publisher, Payload);
set_cached_item(Host, NodeId, ItemId, Publisher, Payload) ->
case is_last_item_cache_enabled(Host) of
true -> ets:insert(gen_mod:get_module_proc(Host, last_items), {NodeId, {ItemId, Payload}});
true -> mnesia:dirty_write({pubsub_last_item, NodeId, ItemId, {now(), jlib:short_prepd_bare_jid(Publisher)}, Payload});
_ -> ok
end.
unset_cached_item({_, ServerHost, _}, NodeId) ->
unset_cached_item(ServerHost, NodeId);
unset_cached_item(Host, NodeId) ->
case is_last_item_cache_enabled(Host) of
true -> ets:delete(gen_mod:get_module_proc(Host, last_items), NodeId);
true -> mnesia:dirty_delete({pubsub_last_item, NodeId});
_ -> ok
end.
get_cached_item({_, ServerHost, _}, NodeId) ->
@ -3708,9 +3705,10 @@ get_cached_item({_, ServerHost, _}, NodeId) ->
get_cached_item(Host, NodeId) ->
case is_last_item_cache_enabled(Host) of
true ->
case catch ets:lookup(gen_mod:get_module_proc(Host, last_items), NodeId) of
[{NodeId, {ItemId, Payload}}] ->
#pubsub_item{itemid = {ItemId, NodeId}, payload = Payload};
case mnesia:dirty_read({pubsub_last_item, NodeId}) of
[{pubsub_last_item, NodeId, ItemId, Creation, Payload}] ->
#pubsub_item{itemid = {ItemId, NodeId}, payload = Payload,
creation = Creation, modification = Creation};
_ ->
undefined
end;

47
src/mod_pubsub/mod_pubsub_odbc.erl
View File

@ -186,9 +186,8 @@ init([ServerHost, Opts]) ->
pubsub_index:init(Host, ServerHost, Opts),
ets:new(gen_mod:get_module_proc(Host, config), [set, named_table]),
ets:new(gen_mod:get_module_proc(ServerHost, config), [set, named_table]),
ets:new(gen_mod:get_module_proc(Host, last_items), [set, named_table]),
ets:new(gen_mod:get_module_proc(ServerHost, last_items), [set, named_table]),
{Plugins, NodeTree, PepMapping} = init_plugins(Host, ServerHost, Opts),
mnesia:create_table(pubsub_last_item, [{ram_copies, [node()]}, {attributes, record_info(fields, pubsub_last_item)}]),
mod_disco:register_feature(ServerHostB, ?NS_PUBSUB_s),
ets:insert(gen_mod:get_module_proc(Host, config), {nodetree, NodeTree}),
ets:insert(gen_mod:get_module_proc(Host, config), {plugins, Plugins}),
@ -1959,7 +1958,7 @@ publish_item(Host, ServerHost, Node, Publisher, ItemId, Payload) ->
PluginPayload -> PluginPayload
end,
broadcast_publish_item(Host, Node, NodeId, Type, Options, Removed, ItemId, jlib:short_prepd_jid(Publisher), BroadcastPayload),
set_cached_item(Host, NodeId, ItemId, Payload),
set_cached_item(Host, NodeId, ItemId, Publisher, Payload),
case Result of
default -> {result, Reply};
_ -> {result, Result}
@ -1969,14 +1968,14 @@ publish_item(Host, ServerHost, Node, Publisher, ItemId, Payload) ->
Type = TNode#pubsub_node.type,
Options = TNode#pubsub_node.options,
broadcast_retract_items(Host, Node, NodeId, Type, Options, Removed),
set_cached_item(Host, NodeId, ItemId, Payload),
set_cached_item(Host, NodeId, ItemId, Publisher, Payload),
{result, Reply};
{result, {TNode, {Result, Removed}}} ->
NodeId = TNode#pubsub_node.id,
Type = TNode#pubsub_node.type,
Options = TNode#pubsub_node.options,
broadcast_retract_items(Host, Node, NodeId, Type, Options, Removed),
set_cached_item(Host, NodeId, ItemId, Payload),
set_cached_item(Host, NodeId, ItemId, Publisher, Payload),
{result, Result};
{result, {_, default}} ->
{result, Reply};
@ -2216,21 +2215,21 @@ send_items(Host, Node, NodeId, Type, LJID, last) ->
% special ODBC optimization, works only with node_hometree_odbc, node_flat_odbc and node_pep_odbc
case node_action(Host, Type, get_last_items, [NodeId, LJID, 1]) of
{result, [LastItem]} ->
{ModifNow, ModifLjid} = LastItem#pubsub_item.modification,
{ModifNow, ModifUSR} = LastItem#pubsub_item.modification,
event_stanza_with_delay([#xmlel{ns = ?NS_PUBSUB_EVENT, name = 'items',
attrs = nodeAttr(Node),
children = itemsEls([])}],
ModifNow, ModifLjid);
children = itemsEls([LastItem])}],
ModifNow, ModifUSR);
_ ->
event_stanza([#xmlel{ns = ?NS_PUBSUB_EVENT, name = 'items',
attrs = nodeAttr(Node),
children = itemsEls([])}])
end;
LastItem ->
{ModifNow, ModifLjid} = LastItem#pubsub_item.modification,
{ModifNow, ModifUSR} = LastItem#pubsub_item.modification,
event_stanza_with_delay(
[#xmlel{ns = ?NS_PUBSUB_EVENT, name = 'items', attrs = nodeAttr(Node),
children = itemsEls(LastItem)}], ModifNow, ModifLjid)
children = itemsEls([LastItem])}], ModifNow, ModifUSR)
end,
{U, S, R} = LJID,
ejabberd_router:route(service_jid(Host), exmpp_jid:make(U, S, R), Stanza);
@ -2248,11 +2247,10 @@ send_items(Host, Node, NodeId, Type, {LU, LS, LR} = LJID, Number) ->
end,
Stanza = case ToSend of
[LastItem] ->
{ModifNow, {U, S, R}} = LastItem#pubsub_item.modification,
ModifLjid = exmpp_jid:make(U, S, R),
{ModifNow, ModifUSR} = LastItem#pubsub_item.modification,
event_stanza_with_delay(
[#xmlel{ns = ?NS_PUBSUB_EVENT, name = 'items', attrs = nodeAttr(Node), children =
itemsEls(ToSend)}], ModifNow, ModifLjid);
itemsEls(ToSend)}], ModifNow, ModifUSR);
_ ->
event_stanza(
[#xmlel{ns = ?NS_PUBSUB_EVENT, name = 'items', attrs = nodeAttr(Node), children =
@ -2863,10 +2861,10 @@ payload_els_ns([_|Tail], Count, NS) -> payload_els_ns(Tail, Count, NS).
event_stanza(Els) ->
event_stanza_withmoreels(Els, []).
event_stanza_with_delay(Els, ModifNow, ModifLjid) ->
event_stanza_with_delay(Els, ModifNow, {U, S, R}) ->
DateTime = calendar:now_to_datetime(ModifNow),
MoreEls = [jlib:timestamp_to_xml(DateTime, utc, ModifLjid, "")],
LJID = exmpp_jid:make(U, S, R),
MoreEls = [jlib:timestamp_to_xml(DateTime, utc, LJID, "")],
event_stanza_withmoreels(Els, MoreEls).
event_stanza_withmoreels(Els, MoreEls) ->
@ -3528,18 +3526,18 @@ is_last_item_cache_enabled(Host) ->
_ -> false
end.
set_cached_item({_, ServerHost, _}, NodeId, ItemId, Payload) ->
set_cached_item(ServerHost, NodeId, ItemId, Payload);
set_cached_item(Host, NodeId, ItemId, Payload) ->
set_cached_item({_, ServerHost, _}, NodeId, ItemId, Publisher, Payload) ->
set_cached_item(ServerHost, NodeId, ItemId, Publisher, Payload);
set_cached_item(Host, NodeId, ItemId, Publisher, Payload) ->
case is_last_item_cache_enabled(Host) of
true -> ets:insert(gen_mod:get_module_proc(Host, last_items), {NodeId, {ItemId, Payload}});
true -> mnesia:dirty_write({pubsub_last_item, NodeId, ItemId, {now(), jlib:short_prepd_bare_jid(Publisher)}, Payload});
_ -> ok
end.
unset_cached_item({_, ServerHost, _}, NodeId) ->
unset_cached_item(ServerHost, NodeId);
unset_cached_item(Host, NodeId) ->
case is_last_item_cache_enabled(Host) of
true -> ets:delete(gen_mod:get_module_proc(Host, last_items), NodeId);
true -> mnesia:dirty_delete({pubsub_last_item, NodeId});
_ -> ok
end.
get_cached_item({_, ServerHost, _}, NodeId) ->
@ -3547,9 +3545,10 @@ get_cached_item({_, ServerHost, _}, NodeId) ->
get_cached_item(Host, NodeId) ->
case is_last_item_cache_enabled(Host) of
true ->
case catch ets:lookup(gen_mod:get_module_proc(Host, last_items), NodeId) of
[{NodeId, {ItemId, Payload}}] ->
#pubsub_item{itemid = {ItemId, NodeId}, payload = Payload};
case mnesia:dirty_read({pubsub_last_item, NodeId}) of
[{pubsub_last_item, NodeId, ItemId, Creation, Payload}] ->
#pubsub_item{itemid = {ItemId, NodeId}, payload = Payload,
creation = Creation, modification = Creation};
_ ->
undefined
end;

9
src/mod_pubsub/pubsub.hrl
View File

@ -150,3 +150,12 @@
%% <p>This is the format of the <tt>subscriptions</tt> table. The type of the
%% table is: <tt>set</tt>,<tt>ram/disc</tt>.</p>
-record(pubsub_subscription, {subid, options}).
%% @type pubsubLastItem() = #pubsub_last_item{
%% nodeid = nodeidx(),
%% itemid = string(),
%% creation = {now(), ljid()},
%% payload = XMLContent::string()}.
%% <p>This is the format of the <tt>last items</tt> table. it stores last item payload
%% for every node</p>
-record(pubsub_last_item, {nodeid, itemid, creation, payload}).

99
src/mod_pubsub/pubsub_odbc.patch
View File

@ -1,5 +1,5 @@
--- mod_pubsub.erl 2010-05-19 10:48:29.000000000 +0200
+++ mod_pubsub_odbc.erl 2010-05-19 11:02:47.000000000 +0200
--- mod_pubsub.erl 2010-05-28 11:26:21.000000000 +0200
+++ mod_pubsub_odbc.erl 2010-05-28 11:31:43.000000000 +0200
@@ -42,7 +42,7 @@
%%% 6.2.3.1, 6.2.3.5, and 6.3. For information on subscription leases see
%%% XEP-0060 section 12.18.
@ -40,7 +40,7 @@
-define(LOOPNAME, ejabberd_mod_pubsub_loop).
-define(PLUGIN_PREFIX, "node_").
-define(TREE_PREFIX, "nodetree_").
@@ -225,8 +225,6 @@
@@ -224,8 +224,6 @@
ok
end,
ejabberd_router:register_route(Host),
@ -49,7 +49,7 @@
init_nodes(Host, ServerHost, NodeTree, Plugins),
State = #state{host = Host,
server_host = ServerHost,
@@ -285,206 +283,15 @@
@@ -284,206 +282,15 @@
init_nodes(Host, ServerHost, _NodeTree, Plugins) ->
%% TODO, this call should be done plugin side
@ -260,7 +260,7 @@
send_loop(State) ->
receive
@@ -496,7 +303,10 @@
@@ -495,7 +302,10 @@
%% for each node From is subscribed to
%% and if the node is so configured, send the last published item to From
lists:foreach(fun(PType) ->
@ -272,7 +272,7 @@
lists:foreach(
fun({Node, subscribed, _, SubJID}) ->
if (SubJID == LJID) or (SubJID == BJID) ->
@@ -759,10 +569,10 @@
@@ -758,10 +568,10 @@
lists:foreach(fun(PType) ->
{result, Subscriptions} = node_action(Host, PType, get_entity_subscriptions, [Host, Entity]),
lists:foreach(fun
@ -285,7 +285,7 @@
true ->
node_action(Host, PType, unsubscribe_node, [NodeId, Entity, JID, all]);
false ->
@@ -940,10 +750,11 @@
@@ -939,10 +749,11 @@
end,
ejabberd_router:route(To, From, Res);
#iq{type = get, ns = ?NS_DISCO_ITEMS,
@ -299,7 +299,7 @@
{result, IQRes} ->
Result = #xmlel{ns = ?NS_DISCO_ITEMS,
name = 'query', attrs = QAttrs,
@@ -1086,7 +897,7 @@
@@ -1085,7 +896,7 @@
[] ->
["leaf"]; %% No sub-nodes: it's a leaf node
_ ->
@ -308,7 +308,7 @@
{result, []} -> ["collection"];
{result, _} -> ["leaf", "collection"];
_ -> []
@@ -1102,8 +913,9 @@
@@ -1101,8 +912,9 @@
[];
true ->
[#xmlel{ns = ?NS_DISCO_INFO, name = 'feature', attrs = [?XMLATTR('var', ?NS_PUBSUB_s)]} |
@ -320,7 +320,7 @@
end, features(Type))]
end,
%% TODO: add meta-data info (spec section 5.4)
@@ -1132,8 +944,9 @@
@@ -1131,8 +943,9 @@
#xmlel{ns = ?NS_DISCO_INFO, name = 'feature', attrs = [?XMLATTR('var', ?NS_PUBSUB_s)]},
#xmlel{ns = ?NS_DISCO_INFO, name = 'feature', attrs = [?XMLATTR('var', ?NS_ADHOC_s)]},
#xmlel{ns = ?NS_DISCO_INFO, name = 'feature', attrs = [?XMLATTR('var', ?NS_VCARD_s)]}] ++
@ -332,7 +332,7 @@
end, features(Host, Node))};
?NS_ADHOC_b ->
command_disco_info(Host, Node, From);
@@ -1143,7 +956,7 @@
@@ -1142,7 +955,7 @@
node_disco_info(Host, Node, From)
end.
@ -341,7 +341,7 @@
case tree_action(Host, get_subnodes, [Host, <<>>, From]) of
Nodes when is_list(Nodes) ->
{result, lists:map(
@@ -1160,7 +973,7 @@
@@ -1159,7 +972,7 @@
Other ->
Other
end;
@ -350,7 +350,7 @@
%% TODO: support localization of this string
CommandItems = [
#xmlel{ns = ?NS_DISCO_ITEMS, name = 'item',
@@ -1169,10 +982,10 @@
@@ -1168,10 +981,10 @@
?XMLATTR('name', "Get Pending")
]}],
{result, CommandItems};
@ -363,7 +363,7 @@
case string:tokens(Item, "!") of
[_SNode, _ItemID] ->
{result, []};
@@ -1181,9 +994,9 @@
@@ -1180,9 +993,9 @@
Action =
fun(#pubsub_node{type = Type, id = NodeId}) ->
% TODO call get_items/6 instead for access control (EJAB-1033)
@ -375,7 +375,7 @@
end,
Nodes = lists:map(
fun(#pubsub_node{nodeid = {_, SubNode}, options = Options}) ->
@@ -1201,7 +1014,7 @@
@@ -1200,7 +1013,7 @@
{result, Name} = node_call(Type, get_item_name, [Host, Node, RN]),
#xmlel{ns = ?NS_DISCO_ITEMS, name = 'item', attrs = [?XMLATTR('jid', Host), ?XMLATTR('name', Name)]}
end, NodeItems),
@ -384,7 +384,7 @@
end,
case transaction(Host, Node, Action, sync_dirty) of
{result, {_, Result}} -> {result, Result};
@@ -1333,7 +1146,8 @@
@@ -1332,7 +1145,8 @@
(_, Acc) ->
Acc
end, [], exmpp_xml:remove_cdata_from_list(Els)),
@ -394,7 +394,7 @@
{get, 'subscriptions'} ->
get_subscriptions(Host, Node, From, Plugins);
{get, 'affiliations'} ->
@@ -1490,7 +1304,8 @@
@@ -1489,7 +1303,8 @@
_ -> []
end
end,
@ -404,7 +404,7 @@
sync_dirty) of
{result, Res} -> Res;
Err -> Err
@@ -1534,7 +1349,7 @@
@@ -1533,7 +1348,7 @@
%%% authorization handling
@ -413,7 +413,7 @@
Lang = "en", %% TODO fix
{U, S, R} = Subscriber,
Stanza = #xmlel{ns = ?NS_JABBER_CLIENT, name = 'message', children =
@@ -1564,7 +1379,7 @@
@@ -1563,7 +1378,7 @@
lists:foreach(fun(Owner) ->
{U, S, R} = Owner,
ejabberd_router:route(service_jid(Host), exmpp_jid:make(U, S, R), Stanza)
@ -422,7 +422,7 @@
find_authorization_response(Packet) ->
Els = Packet#xmlel.children,
@@ -1623,8 +1438,8 @@
@@ -1622,8 +1437,8 @@
"true" -> true;
_ -> false
end,
@ -433,7 +433,7 @@
{result, Subscriptions} = node_call(Type, get_subscriptions, [NodeId, Subscriber]),
if
not IsApprover ->
@@ -1819,7 +1634,7 @@
@@ -1818,7 +1633,7 @@
end,
Reply = #xmlel{ns = ?NS_PUBSUB, name = 'pubsub', children =
[#xmlel{ns = ?NS_PUBSUB, name = 'create', attrs = nodeAttr(Node)}]},
@ -442,7 +442,7 @@
{result, {Result, broadcast}} ->
%%Lang = "en", %% TODO: fix
%%OwnerKey = jlib:jid_tolower(jlib:jid_remove_resource(Owner)),
@@ -1928,7 +1743,7 @@
@@ -1927,7 +1742,7 @@
%%<li>The node does not exist.</li>
%%</ul>
subscribe_node(Host, Node, From, JID, Configuration) ->
@ -451,7 +451,7 @@
{result, GoodSubOpts} -> GoodSubOpts;
_ -> invalid
end,
@@ -1938,7 +1753,7 @@
@@ -1937,7 +1752,7 @@
_:_ ->
{undefined, undefined, undefined}
end,
@ -460,7 +460,7 @@
Features = features(Type),
SubscribeFeature = lists:member("subscribe", Features),
OptionsFeature = lists:member("subscription-options", Features),
@@ -1957,9 +1772,12 @@
@@ -1956,9 +1771,12 @@
{"", "", ""} ->
{false, false};
_ ->
@ -476,7 +476,7 @@
end
end,
if
@@ -2305,7 +2123,7 @@
@@ -2304,7 +2122,7 @@
%% <p>The permission are not checked in this function.</p>
%% @todo We probably need to check that the user doing the query has the right
%% to read the items.
@ -485,7 +485,7 @@
MaxItems =
if
SMaxItems == "" -> get_max_items_node(Host);
@@ -2344,11 +2162,11 @@
@@ -2343,11 +2161,11 @@
node_call(Type, get_items,
[NodeId, From,
AccessModel, PresenceSubscription, RosterGroup,
@ -499,7 +499,7 @@
SendItems = case ItemIDs of
[] ->
Items;
@@ -2361,7 +2179,7 @@
@@ -2360,7 +2178,7 @@
%% number of items sent to MaxItems:
{result, #xmlel{ns = ?NS_PUBSUB, name = 'pubsub', children =
[#xmlel{ns = ?NS_PUBSUB, name = 'items', attrs = nodeAttr(Node), children =
@ -508,7 +508,7 @@
Error ->
Error
end
@@ -2393,17 +2211,29 @@
@@ -2392,16 +2210,29 @@
%% @doc <p>Resend the items of a node to the user.</p>
%% @todo use cache-last-item feature
send_items(Host, Node, NodeId, Type, LJID, last) ->
@ -519,33 +519,32 @@
+ % special ODBC optimization, works only with node_hometree_odbc, node_flat_odbc and node_pep_odbc
+ case node_action(Host, Type, get_last_items, [NodeId, LJID, 1]) of
+ {result, [LastItem]} ->
+ {ModifNow, ModifLjid} = LastItem#pubsub_item.modification,
+ {ModifNow, ModifUSR} = LastItem#pubsub_item.modification,
+ event_stanza_with_delay([#xmlel{ns = ?NS_PUBSUB_EVENT, name = 'items',
+ attrs = nodeAttr(Node),
+ children = itemsEls([])}],
+ ModifNow, ModifLjid);
+ children = itemsEls([LastItem])}],
+ ModifNow, ModifUSR);
+ _ ->
+ event_stanza([#xmlel{ns = ?NS_PUBSUB_EVENT, name = 'items',
+ attrs = nodeAttr(Node),
+ children = itemsEls([])}])
+ end;
LastItem ->
{ModifNow, ModifLjid} = LastItem#pubsub_item.modification,
{ModifNow, ModifUSR} = LastItem#pubsub_item.modification,
- Stanza = event_stanza_with_delay(
+ event_stanza_with_delay(
[#xmlel{ns = ?NS_PUBSUB_EVENT, name = 'items', attrs = nodeAttr(Node),
- children = itemsEls(LastItem)}], ModifNow, ModifLjid),
- {U, S, R} = LJID,
- ejabberd_router:route(service_jid(Host), exmpp_jid:make(U, S, R), Stanza)
- children = itemsEls([LastItem])}], ModifNow, ModifUSR),
- ejabberd_router:route(service_jid(Host), exmpp_jid:make(LJID), Stanza)
- end;
+ children = itemsEls(LastItem)}], ModifNow, ModifLjid)
+ children = itemsEls([LastItem])}], ModifNow, ModifUSR)
+ end,
+ {U, S, R} = LJID,
+ ejabberd_router:route(service_jid(Host), exmpp_jid:make(U, S, R), Stanza);
send_items(Host, Node, NodeId, Type, {LU, LS, LR} = LJID, Number) ->
ToSend = case node_action(Host, Type, get_items, [NodeId, LJID]) of
{result, []} ->
@@ -2531,7 +2361,8 @@
@@ -2528,7 +2359,8 @@
error ->
{error, 'bad-request'};
_ ->
@ -555,7 +554,7 @@
case lists:member(Owner, Owners) of
true ->
OwnerJID = exmpp_jid:make(Owner),
@@ -2541,24 +2372,8 @@
@@ -2538,24 +2370,8 @@
end,
lists:foreach(
fun({JID, Affiliation}) ->
@ -582,7 +581,7 @@
end, FilteredEntities),
{result, []};
_ ->
@@ -2613,11 +2428,11 @@
@@ -2610,11 +2426,11 @@
end.
read_sub(Subscriber, Node, NodeID, SubID, Lang) ->
@ -596,7 +595,7 @@
OptionsEl = #xmlel{ns = ?NS_PUBSUB, name = 'options',
attrs = [ ?XMLATTR('jid', exmpp_jid:to_binary(Subscriber)),
?XMLATTR('subid', SubID) | nodeAttr(Node)],
@@ -2644,7 +2459,7 @@
@@ -2641,7 +2457,7 @@
end.
set_options_helper(Configuration, JID, NodeID, SubID, Type) ->
@ -605,7 +604,7 @@
{result, GoodSubOpts} -> GoodSubOpts;
_ -> invalid
end,
@@ -2674,7 +2489,7 @@
@@ -2671,7 +2487,7 @@
write_sub(_Subscriber, _NodeID, _SubID, invalid) ->
{error, extended_error('bad-request', "invalid-options")};
write_sub(Subscriber, NodeID, SubID, Options) ->
@ -614,7 +613,7 @@
{error, notfound} ->
{error, extended_error('not-acceptable', "invalid-subid")};
{result, _} ->
@@ -2847,8 +2662,8 @@
@@ -2844,8 +2660,8 @@
?XMLATTR('subsription', subscription_to_string(Sub)) | nodeAttr(Node)]}]}]},
ejabberd_router:route(service_jid(Host), JID, Stanza)
end,
@ -625,7 +624,7 @@
true ->
Result = lists:foldl(fun({JID, Subscription, SubId}, Acc) ->
@@ -3189,7 +3004,7 @@
@@ -3186,7 +3002,7 @@
{Depth, [{N, get_node_subs(N)} || N <- Nodes]}
end, tree_call(Host, get_parentnodes_tree, [Host, Node, service_jid(Host)]))}
end,
@ -634,7 +633,7 @@
{result, CollSubs} -> CollSubs;
_ -> []
end.
@@ -3203,9 +3018,9 @@
@@ -3200,9 +3016,9 @@
get_options_for_subs(NodeID, Subs) ->
lists:foldl(fun({JID, subscribed, SubID}, Acc) ->
@ -646,7 +645,7 @@
_ -> Acc
end;
(_, Acc) ->
@@ -3427,6 +3242,30 @@
@@ -3424,6 +3240,30 @@
Result
end.
@ -677,7 +676,7 @@
%% @spec (Host, Options) -> MaxItems
%% Host = host()
%% Options = [Option]
@@ -3829,7 +3668,13 @@
@@ -3827,7 +3667,13 @@
tree_action(Host, Function, Args) ->
?DEBUG("tree_action ~p ~p ~p",[Host,Function,Args]),
Fun = fun() -> tree_call(Host, Function, Args) end,
@ -692,7 +691,7 @@
%% @doc <p>node plugin call.</p>
node_call(Type, Function, Args) ->
@@ -3849,13 +3694,13 @@
@@ -3847,13 +3693,13 @@
node_action(Host, Type, Function, Args) ->
?DEBUG("node_action ~p ~p ~p ~p",[Host,Type,Function,Args]),
@ -708,7 +707,7 @@
case tree_call(Host, get_node, [Host, Node]) of
N when is_record(N, pubsub_node) ->
case Action(N) of
@@ -3868,8 +3713,15 @@
@@ -3866,8 +3712,15 @@
end
end, Trans).
@ -726,7 +725,7 @@
{result, Result} -> {result, Result};
{error, Error} -> {error, Error};
{atomic, {result, Result}} -> {result, Result};
@@ -3877,6 +3729,15 @@
@@ -3875,6 +3728,15 @@
{aborted, Reason} ->
?ERROR_MSG("transaction return internal error: ~p~n", [{aborted, Reason}]),
{error, 'internal-server-error'};
@ -742,7 +741,7 @@
{'EXIT', Reason} ->
?ERROR_MSG("transaction return internal error: ~p~n", [{'EXIT', Reason}]),
{error, 'internal-server-error'};
@@ -3885,6 +3746,16 @@
@@ -3883,6 +3745,16 @@
{error, 'internal-server-error'}
end.