xref: /aosp_15_r20/external/pigweed/pw_router/public/pw_router/egress_function.h (revision 61c4878ac05f98d0ceed94b57d316916de578985)
1 // Copyright 2021 The Pigweed Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
5 // the License at
6 //
7 //     https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
13 // the License.
14 #pragma once
15 
16 #include "pw_function/function.h"
17 #include "pw_router/egress.h"
18 #include "pw_span/span.h"
19 
20 namespace pw::router {
21 
22 // Router egress that dispatches to a free function.
23 class EgressFunction final : public Egress {
24  public:
EgressFunction(Function<Status (ConstByteSpan,const PacketParser &)> && function)25   EgressFunction(
26       Function<Status(ConstByteSpan, const PacketParser&)>&& function)
27       : func_(std::move(function)) {}
28 
SendPacket(ConstByteSpan packet,const PacketParser & parser)29   Status SendPacket(ConstByteSpan packet, const PacketParser& parser) final {
30     return func_(packet, parser);
31   }
32 
33  private:
34   Function<Status(ConstByteSpan, const PacketParser&)> func_;
35 };
36 
37 }  // namespace pw::router
38