pw_router/public/pw_router/egress_function.h

// Copyright 2021 The Pigweed Authors
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#pragma once

#include "pw_function/function.h"
#include "pw_router/egress.h"
#include "pw_span/span.h"

namespace pw::router {

// Router egress that dispatches to a free function.
class EgressFunction final : public Egress {
 public:
  EgressFunction(
      Function<Status(ConstByteSpan, const PacketParser&)>&& function)
      : func_(std::move(function)) {}

  Status SendPacket(ConstByteSpan packet, const PacketParser& parser) final {
    return func_(packet, parser);
  }

 private:
  Function<Status(ConstByteSpan, const PacketParser&)> func_;
};

}  // namespace pw::router