Migrate from inside shapers to opuntia

big_tests/tests/mam_SUITE.erl

@@ -571,7 +571,7 @@ delete_users(Config) ->
 
 increase_limits(Config) ->
     Config1 = mongoose_helper:backup_and_set_config(Config, increased_limits()),
-    rpc_apply(shaper_srv, reset_all_shapers, [host_type()]),
+    rpc_apply(mongoose_shapers, reset_all_shapers, [host_type()]),
     Config1.
 
 increased_limits() ->

include/mod_muc_room.hrl

@@ -62,8 +62,8 @@
 
 -record(activity, {message_time = 0,
                    presence_time = 0,
-                   message_shaper :: shaper:shaper(),
-                   presence_shaper :: shaper:shaper(),
+                   message_shaper :: opuntia:shaper(),
+                   presence_shaper :: opuntia:shaper(),
                    message,
                    presence
                   }).
@@ -85,7 +85,7 @@
                 subject_timestamp = <<>>,
                 just_created = false     :: boolean(),
                 activity = treap:empty() :: treap:treap(),
-                room_shaper              :: shaper:shaper(),
+                room_shaper              :: opuntia:shaper(),
                 room_queue = queue:new(),
                 http_auth_pool = none :: none | mongoose_http_client:pool(),
                 http_auth_pids = [] :: [pid()],

rebar.config

@@ -70,6 +70,7 @@
   {flatlog, "0.1.2"},
 
   %%% Stateless libraries
+  {opuntia, "0.1.0"},
   {fast_tls, "1.1.16"},
   {fast_scram, "0.5.0"},
   {idna, "6.1.1"},

rebar.lock

@@ -94,6 +94,7 @@
        {ref,"c71265c00bd7b465b7214770895503383dbe299e"}},
   0},
  {<<"observer_cli">>,{pkg,<<"observer_cli">>,<<"1.7.4">>},0},
+ {<<"opuntia">>,{pkg,<<"opuntia">>,<<"0.1.0">>},0},
  {<<"p1_utils">>,{pkg,<<"p1_utils">>,<<"1.0.25">>},1},
  {<<"pa">>,
   {git,"https://github.com/erszcz/pa.git",
@@ -170,6 +171,7 @@
  {<<"mimerl">>, <<"67E2D3F571088D5CFD3E550C383094B47159F3EEE8FFA08E64106CDF5E981BE3">>},
  {<<"mysql">>, <<"0E4BBCF701B7D8EA5C3750F220F26323C0FC18B844960988BE196B33A8A9F3C1">>},
  {<<"observer_cli">>, <<"3C1BFB6D91BF68F6A3D15F46AE20DA0F7740D363EE5BC041191CE8722A6C4FAE">>},
+ {<<"opuntia">>, <<"05E3B9061B0A46A2C4D0AB359FB080035C69917B11C54C3F58534BF9AE141FFA">>},
  {<<"p1_utils">>, <<"2D39B5015A567BBD2CC7033EEB93A7C60D8C84EFE1EF69A3473FAA07FA268187">>},
  {<<"parse_trans">>, <<"BB87AC362A03CA674EBB7D9D498F45C03256ADED7214C9101F7035EF44B798C7">>},
  {<<"pooler">>, <<"898CD1FA301FC42D4A8ED598CE139B71CA85B54C16AB161152B5CC5FBDCFA1A8">>},
@@ -233,6 +235,7 @@
  {<<"mimerl">>, <<"F278585650AA581986264638EBF698F8BB19DF297F66AD91B18910DFC6E19323">>},
  {<<"mysql">>, <<"D473C479C19E5CDE20237458EEAD6673C3C00E0EF84AFD30615AEBBB67FEE7B3">>},
  {<<"observer_cli">>, <<"50DE6D95D814F447458BD5D72666A74624EDDB0EF98BDCEE61A0153AAE0865FF">>},
+ {<<"opuntia">>, <<"716795A2524DB0E835DC378D5EF0C89F65BBE123132755FD61111B8897BF697E">>},
  {<<"p1_utils">>, <<"9219214428F2C6E5D3187FF8EB9A8783695C2427420BE9A259840E07ADA32847">>},
  {<<"parse_trans">>, <<"F99E368830BEA44552224E37E04943A54874F08B8590485DE8D13832B63A2DC3">>},
  {<<"pooler">>, <<"058D85C5081289B90E97E4DDDBC3BB5A3B4A19A728AB3BC88C689EFCC36A07C7">>},

src/c2s/mongoose_c2s.erl

@@ -35,7 +35,7 @@
           jid :: undefined | jid:jid(),
           socket :: undefined | mongoose_c2s_socket:socket(),
           parser :: undefined | exml_stream:parser(),
-          shaper :: undefined | shaper:shaper(),
+          shaper :: undefined | opuntia:shaper(),
           listener_opts :: undefined | listener_opts(),
           state_mod = #{} :: #{module() => term()},
           info = #{} :: info()
@@ -90,7 +90,7 @@ handle_event(internal, {connect, {SocketModule, SocketOpts}}, connect,
              StateData = #c2s_data{listener_opts = #{shaper := ShaperName,
                                                      max_stanza_size := MaxStanzaSize} = LOpts}) ->
     {ok, Parser} = exml_stream:new_parser([{max_child_size, MaxStanzaSize}]),
-    Shaper = shaper:new(ShaperName),
+    Shaper = opuntia:new(mongoose_shapers:get_shaper_rate(ShaperName)),
     C2SSocket = mongoose_c2s_socket:new(SocketModule, SocketOpts, LOpts),
     StateData1 = StateData#c2s_data{socket = C2SSocket, parser = Parser, shaper = Shaper},
     {next_state, {wait_for_stream, stream_start}, StateData1, state_timeout(LOpts)};
@@ -246,7 +246,7 @@ handle_socket_packet(StateData = #c2s_data{parser = Parser}, Packet) ->
 
 -spec handle_socket_elements(data(), [exml:element()], non_neg_integer()) -> fsm_res().
 handle_socket_elements(StateData = #c2s_data{shaper = Shaper}, Elements, Size) ->
-    {NewShaper, Pause} = shaper:update(Shaper, Size),
+    {NewShaper, Pause} = opuntia:update(Shaper, Size),
     mongoose_metrics:update(global, [data, xmpp, received, xml_stanza_size], Size),
     NewStateData = StateData#c2s_data{shaper = NewShaper},
     MaybePauseTimeout = maybe_pause(NewStateData, Pause),

src/ejabberd_s2s_in.erl

@@ -58,7 +58,7 @@
 
 -record(state, {socket                  :: mongoose_transport:socket_data(),
                 streamid                :: ejabberd_s2s:stream_id(),
-                shaper                  :: shaper:shaper(),
+                shaper                  :: opuntia:shaper(),
                 tls = false             :: boolean(),
                 tls_enabled = false     :: boolean(),
                 tls_required = false    :: boolean(),
@@ -84,7 +84,7 @@
           tls_enabled => boolean(),
           tls_options => mongoose_tls:options(),
           authenticated => boolean(),
-          shaper => shaper:shaper(),
+          shaper => opuntia:shaper(),
           domains => [jid:lserver()]}.
 
 -type statename() :: 'stream_established' | 'wait_for_feature_request'.

src/ejabberd_sup.erl

@@ -49,7 +49,7 @@ init([]) ->
     SMBackendSupervisor = supervisor_spec(ejabberd_sm_backend_sup),
     OutgoingPoolsSupervisor = supervisor_spec(mongoose_wpool_sup),
     Listener = supervisor_spec(mongoose_listener_sup),
-    ShaperSup = supervisor_spec(mongoose_shaper_sup),
+    ShaperSup = mongoose_shapers:child_spec(),
     DomainSup = supervisor_spec(mongoose_domain_sup),
     ReceiverSupervisor =
         ejabberd_tmp_sup_spec(mongoose_transport_sup, [mongoose_transport_sup, mongoose_transport]),

src/mam/mod_mam_muc.erl

@@ -17,7 +17,7 @@
 %%%
 %%% This module should be started for each host.
 %%% Message archivation is not shaped here (use standard support for this).
-%%% MAM's IQs are shaped inside {@link shaper_srv}.
+%%% MAM's IQs are shaped inside {@link opuntia_srv}.
 %%%
 %%% Message identifiers (or UIDs in the spec) are generated based on:
 %%%
@@ -225,7 +225,7 @@ room_process_mam_iq(Acc, From, To, IQ, #{host_type := HostType}) ->
     case check_action_allowed(HostType, Acc, To#jid.lserver, Action, MucAction, From, To) of
         ok ->
             case mod_mam_utils:wait_shaper(HostType, To#jid.lserver, MucAction, From) of
-                ok ->
+                continue ->
                     handle_error_iq(Acc, HostType, To, Action,
                                     handle_mam_iq(HostType, Action, From, To, IQ));
                 {error, max_delay_reached} ->

src/mam/mod_mam_pm.erl

@@ -17,7 +17,7 @@
 %%%
 %%% This module should be started for each host.
 %%% Message archivation is not shaped here (use standard support for this).
-%%% MAM's IQs are shaped inside {@link shaper_srv}.
+%%% MAM's IQs are shaped inside {@link opuntia_srv}.
 %%%
 %%% Message identifiers (or UIDs in the spec) are generated based on:
 %%%
@@ -142,7 +142,7 @@ process_mam_iq(Acc, From, To, IQ, _Extra) ->
     case is_action_allowed(HostType, Action, From, To) of
         true  ->
             case mod_mam_utils:wait_shaper(HostType, To#jid.lserver, Action, From) of
-                ok ->
+                continue ->
                     handle_error_iq(HostType, Acc, To, Action,
                                     handle_mam_iq(Action, From, To, IQ, Acc));
                 {error, max_delay_reached} ->

src/mam/mod_mam_utils.erl

@@ -1022,13 +1022,15 @@ action_to_global_shaper_name(Action) ->
     list_to_atom(atom_to_list(Action) ++ "_global_shaper").
 
 -spec wait_shaper(mongooseim:host_type(), jid:server(), mam_iq:action(), jid:jid()) ->
-    'ok' | {'error', 'max_delay_reached'}.
+    continue | {error, max_delay_reached}.
 wait_shaper(HostType, Host, Action, From) ->
-    case shaper_srv:wait(HostType, Host, action_to_shaper_name(Action), From, 1) of
-        ok ->
-            shaper_srv:wait(HostType, Host, action_to_global_shaper_name(Action), global, 1);
-        Err ->
-            Err
+    case mongoose_shapers:wait(
+           HostType, Host, action_to_shaper_name(Action), From, 1) of
+        continue ->
+            mongoose_shapers:wait(
+              global, Host, action_to_global_shaper_name(Action), From, 1);
+        {error, max_delay_reached} ->
+            {error, max_delay_reached}
     end.
 
 %% -----------------------------------------------------------------------

src/mongoose_shapers.erl

@@ -0,0 +1,54 @@
+-module(mongoose_shapers).
+
+-export([child_spec/0, get_shaper_rate/1, wait/5, reset_all_shapers/1]).
+-ignore_xref([reset_all_shapers/1]).
+
+-spec child_spec() -> supervisor:child_spec().
+child_spec() ->
+    WPoolOpts = [{workers, 10}, {worker, {opuntia_srv, {mongoose_shapers, #{}}}}],
+    {mongoose_shapers,
+     {wpool, start_pool, [mongoose_shapers, WPoolOpts]},
+     permanent, infinity, supervisor, [opuntia_srv]}.
+
+-spec get_shaper_rate(atom()) -> number().
+get_shaper_rate(Name) ->
+    case mongoose_config:lookup_opt([shaper, Name]) of
+        {ok, #{max_rate := MaxRatePerSecond}} ->
+            MaxRatePerSecond / 1000;
+        {error, not_found} -> 0
+    end.
+
+%% @doc Shapes the caller from executing the action.
+-spec wait(HostType :: mongooseim:host_type_or_global(),
+           Domain :: jid:server(),
+           Action :: atom(),
+           FromJID :: jid:jid(),
+           Size :: integer()) -> continue | {error, max_delay_reached}.
+wait(HostType, Domain, Action, FromJID, Size) ->
+    Worker = wpool_pool:hash_worker(mongoose_shapers, FromJID),
+    Config = get_shaper_rate(get_shaper_name(HostType, Domain, Action, FromJID)),
+    Key = new_key(Domain, Action, FromJID),
+    opuntia_srv:wait(Worker, Key, Size, Config).
+
+-type key() :: {global | jid:server(), atom(), jid:jid()}.
+-spec new_key(jid:server() | global, atom(), jid:jid()) -> key().
+new_key(Domain, Action, FromJID) ->
+    {Domain, Action, FromJID}.
+
+%% @doc Ask all shaper servers to forget current shapers and read settings again
+reset_all_shapers(_HostType) ->
+    [ opuntia_srv:reset_shapers(ProcName)
+      || ProcName <- wpool:get_workers(mongoose_shapers)].
+
+-spec get_shaper_name(HostType :: mongooseim:host_type_or_global(),
+                      Domain :: global | jid:server(),
+                      Action :: atom(),
+                      FromJID :: jid:jid()) -> allow | none.
+get_shaper_name(HostType, Domain, Action, FromJID) ->
+    case acl:match_rule(HostType, Domain, Action, FromJID) of
+        deny -> default_shaper();
+        Value -> Value
+    end.
+
+default_shaper() ->
+    none.

src/mongoose_transport.erl

@@ -49,7 +49,7 @@
 
 -record(state, {socket :: socket(),
                 sockmod = gen_tcp     :: socket_module(),
-                shaper_state          :: shaper:shaper(),
+                shaper_state          :: opuntia:shaper(),
                 dest_pid              :: undefined | pid(), %% gen_fsm_compat pid
                 max_stanza_size       :: stanza_size(),
                 parser                :: exml_stream:parser(),
@@ -215,7 +215,7 @@ start_link(Socket, Shaper, Opts) ->
     gen_server:start_link(?MODULE, [Socket, Shaper, Opts], []).
 
 init([Socket, Shaper, Opts]) ->
-    ShaperState = shaper:new(Shaper),
+    ShaperState = opuntia:new(mongoose_shapers:get_shaper_rate(Shaper)),
     #{max_stanza_size := MaxStanzaSize,
       hibernate_after := HibernateAfter,
       connection_type := ConnectionType} = Opts,
@@ -267,7 +267,7 @@ handle_call(_Request, _From, State) ->
     {reply, ok, State, hibernate_or_timeout(State)}.
 
 handle_cast({change_shaper, Shaper}, State) ->
-    NewShaperState = shaper:new(Shaper),
+    NewShaperState = opuntia:new(mongoose_shapers:get_shaper_rate(Shaper)),
     NewState = State#state{shaper_state = NewShaperState},
     {noreply, NewState, hibernate_or_timeout(NewState)};
 handle_cast(close, State) ->
@@ -399,7 +399,7 @@ process_data(Data, #state{parser = Parser,
             {error, Reason} ->
                 {[{xmlstreamerror, Reason}], Parser}
         end,
-    {NewShaperState, Pause} = shaper:update(ShaperState, Size),
+    {NewShaperState, Pause} = opuntia:update(ShaperState, Size),
     update_transport_metrics(Size, received, State#state.connection_type),
     [gen_fsm_compat:send_event(DestPid, Event) || Event <- Events],
     maybe_pause(Pause, State),

src/mongooseim.app.src

@@ -49,7 +49,8 @@
                   cowboy_swagger,
                   tomerl,
                   flatlog,
-                  segmented_cache
+                  segmented_cache,
+                  opuntia
                  ]},
   {included_applications, [mnesia, cets]},
   {env, []},

src/muc/mod_muc.erl

@@ -137,7 +137,7 @@
                     access,
                     history_size        :: integer(),
                     default_room_opts   :: list(),
-                    room_shaper         :: shaper:shaper(),
+                    room_shaper         :: opuntia:shaper(),
                     http_auth_pool      :: mongoose_http_client:pool(),
                     hibernated_room_check_interval :: timeout(),
                     hibernated_room_timeout :: timeout() }).
@@ -873,7 +873,7 @@ check_user_can_create_room(HostType, ServerHost, AccessCreate, From, RoomID) ->
 
 -spec start_room(HostType :: host_type(), ServerHost :: jid:lserver(),
         MucHost :: muc_host(), Access :: access(), room(),
-        HistorySize :: undefined | integer(), RoomShaper :: shaper:shaper(),
+        HistorySize :: undefined | integer(), RoomShaper :: opuntia:shaper(),
         HttpAuthPool :: none | mongoose_http_client:pool(), From :: jid:jid(), nick(),
         DefRoomOpts :: undefined | [any()], Acc :: mongoose_acc:t())
             -> {error, {failed_to_restore, Reason :: term()}} | {ok, pid()}.