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macula
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5.2.2
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5.2.0
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5.0.0
4.8.0
4.7.1
4.7.0
4.6.0
4.5.0
4.4.10
4.4.9
4.4.8
4.4.7
4.4.6
4.4.5
4.4.4
4.4.3
4.4.2
4.4.1
4.4.0
4.3.1
4.3.0
4.2.9
4.2.8
4.2.7
4.2.6
4.2.5
4.2.4
4.2.3
4.2.2
4.2.1
4.2.0
4.1.1
4.1.0
4.0.0
3.16.0
3.15.3
3.15.2
3.15.1
3.14.0
3.13.0
3.12.1
3.12.0
3.11.1
3.11.0
3.10.3
3.10.2
3.10.1
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3.8.0
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3.3.0
3.2.0
3.1.0
3.0.0
2.1.1
2.1.0
2.0.0
1.5.2
1.5.1
1.4.30
1.4.29
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1.4.25
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1.4.16
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1.4.14
1.4.13
1.4.11
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1.4.9
1.4.8
1.4.7
1.4.6
1.4.5
1.4.4
1.4.3
1.4.2
1.4.1
1.4.0
1.3.1
1.3.0
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1.1.0
1.0.10
1.0.9
1.0.8
1.0.7
1.0.6
1.0.5
1.0.4
1.0.3
1.0.2
1.0.1
1.0.0
0.48.6
0.48.5
0.48.4
0.48.3
0.48.2
0.48.1
0.48.0
0.47.1
0.47.0
0.46.3
0.46.1
0.46.0
0.45.3
0.45.2
0.45.1
0.45.0
0.44.2
0.44.1
0.44.0
0.43.3
0.43.2
0.43.1
0.43.0
0.42.9
0.42.8
0.42.7
0.42.6
0.42.5
0.42.4
0.42.3
0.42.2
0.42.1
0.42.0
0.41.1
0.41.0
0.40.1
0.40.0
0.39.9
0.39.8
0.39.7
0.39.6
0.39.5
0.39.4
0.39.3
0.39.2
0.39.1
0.39.0
0.38.8
0.38.7
0.38.6
0.38.5
0.38.4
0.38.3
0.38.2
0.38.1
0.38.0
0.37.7
0.37.6
0.37.5
0.37.4
0.37.3
0.37.2
0.37.1
0.37.0
0.36.6
0.36.5
0.36.4
0.36.3
0.36.2
0.36.1
0.36.0
0.35.4
0.35.3
0.35.2
0.35.1
0.35.0
0.34.1
0.34.0
0.33.1
0.33.0
0.32.5
0.32.4
0.32.3
0.32.2
0.32.1
0.32.0
0.31.9
0.31.8
0.31.7
0.31.6
0.31.5
0.31.4
0.31.3
0.31.2
0.31.1
0.31.0
0.30.10
0.30.9
0.30.8
0.30.7
0.30.6
0.30.5
0.30.4
0.30.3
0.30.2
0.30.1
0.30.0
0.29.0
0.28.3
0.28.2
0.28.1
0.28.0
0.27.1
0.27.0
0.26.1
0.26.0
0.25.6
0.25.5
0.25.4
0.25.3
0.25.2
0.25.1
0.25.0
0.24.6
0.24.5
0.24.4
0.24.3
0.24.2
0.24.1
0.24.0
0.23.3
0.23.2
0.23.1
0.23.0
0.22.12
0.22.11
0.22.10
0.22.9
0.22.8
0.22.7
0.22.6
0.22.5
0.22.4
0.22.3
0.22.2
0.22.1
0.22.0
0.21.7
0.21.6
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0.21.2
0.21.1
0.21.0
0.20.25
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0.20.1
0.20.0
0.19.2
0.19.1
0.19.0
0.18.1
0.18.0
0.17.4
0.17.3
0.17.2
0.17.1
0.17.0
0.16.6
0.16.5
0.16.4
0.16.3
0.16.2
0.16.1
0.16.0
0.15.1
0.15.0
0.14.3
0.14.2
0.14.1
0.14.0
0.12.6
0.12.5
0.12.3
0.11.3
0.10.2
0.10.1
0.10.0
0.9.2
0.9.1
0.9.0
0.8.25
0.8.24
0.8.23
0.8.22
0.8.21
0.8.20
0.8.19
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0.8.9
0.8.8
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0.8.3
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0.7.30
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0.6.3
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0.6.1
0.6.0
0.5.0
0.4.4
0.4.3
0.4.2
0.4.1
0.4.0
0.3.4
0.3.3
0.3.2
0.3.1
Macula HTTP/3 Mesh SDK — connect, subscribe, publish, call, advertise
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Files
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Files
src/macula_rpc_registry.erl
%%%-------------------------------------------------------------------
%%% @doc
%%% Local RPC procedure registration registry.
%%% Maps URIs to handler functions.
%%% Supports multiple handlers per URI (for load balancing).
%%% @end
%%%-------------------------------------------------------------------
-module(macula_rpc_registry).
%% API
-export([
new/0,
new/1,
register/4,
unregister/3,
find/2,
find_handlers/2,
list_uris/1,
list_registrations/1,
size/1
]).
%% Types
-type handler_fn() :: fun((map()) -> {ok, term()} | {error, term()}).
-type registration() :: #{
uri := binary(),
handler := handler_fn(),
metadata := map()
}.
-type invocation_strategy() :: round_robin | random | local_first.
-type registry() :: #{
registrations := [registration()],
strategy := invocation_strategy()
}.
-export_type([
handler_fn/0,
registration/0,
registry/0,
invocation_strategy/0
]).
%%%===================================================================
%%% API Functions
%%%===================================================================
%% @doc Create new empty registry with default strategy (round_robin).
-spec new() -> registry().
new() ->
new(round_robin).
%% @doc Create new empty registry with custom strategy.
-spec new(invocation_strategy()) -> registry().
new(Strategy) ->
#{
registrations => [],
strategy => Strategy
}.
%% @doc Register a procedure handler.
%% Allows multiple handlers for the same URI (for load balancing).
-spec register(registry(), binary(), handler_fn(), map()) -> registry().
register(#{registrations := Regs} = Registry, Uri, Handler, Metadata) ->
Registration = #{
uri => Uri,
handler => Handler,
metadata => Metadata
},
NewRegs = [Registration | Regs],
Registry#{registrations => NewRegs}.
%% @doc Unregister a specific procedure handler.
%% Only removes the exact handler function.
-spec unregister(registry(), binary(), handler_fn()) -> registry().
unregister(#{registrations := Regs} = Registry, Uri, Handler) ->
NewRegs = lists:filter(
fun(Reg) ->
not (maps:get(uri, Reg) =:= Uri andalso
maps:get(handler, Reg) =:= Handler)
end,
Regs
),
Registry#{registrations => NewRegs}.
%% @doc Find all registrations for a URI.
-spec find(registry(), binary()) -> [registration()].
find(#{registrations := Regs}, Uri) ->
lists:filter(
fun(Reg) -> maps:get(uri, Reg) =:= Uri end,
Regs
).
%% @doc Find all handlers for a URI.
-spec find_handlers(registry(), binary()) -> {ok, [registration()]} | not_found.
find_handlers(#{registrations := Regs}, Uri) ->
Matches = lists:filter(
fun(Reg) -> maps:get(uri, Reg) =:= Uri end,
Regs
),
case Matches of
[] -> not_found;
_ -> {ok, Matches}
end.
%% @doc List all unique URIs in registry.
-spec list_uris(registry()) -> [binary()].
list_uris(#{registrations := Regs}) ->
Uris = lists:map(
fun(Reg) -> maps:get(uri, Reg) end,
Regs
),
lists:usort(Uris).
%% @doc List all registrations.
-spec list_registrations(registry()) -> [registration()].
list_registrations(#{registrations := Regs}) ->
Regs.
%% @doc Get total number of registrations.
-spec size(registry()) -> non_neg_integer().
size(#{registrations := Regs}) ->
length(Regs).