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// 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
// 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 <span>
#include "pw_bytes/span.h"
#include "pw_status/status.h"
namespace pw::router {
// Data egress for a router to send packets over some transport system.
class Egress {
virtual ~Egress() = default;
// Sends a complete packet/frame over the transport. Returns OK on success, or
// an error status on failure.
// TODO(frolv): Document possible return values.
virtual Status SendPacket(ConstByteSpan packet) = 0;
} // namespace pw::router