39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
// Copyright 2022 The Pigweed Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
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// use this file except in compliance with the License. You may obtain a copy of
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// the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations under
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// the License.
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// clang-format off
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#include "pw_rpc/internal/log_config.h" // PW_LOG_* macros must be first.
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#include "pw_rpc/packet_meta.h"
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// clang-format on
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#include "pw_log/log.h"
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#include "pw_rpc/internal/channel.h"
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#include "pw_rpc/internal/packet.h"
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#include "pw_span/span.h"
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#include "pw_status/status_with_size.h"
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namespace pw::rpc {
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Result<PacketMeta> PacketMeta::FromBuffer(ConstByteSpan data) {
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PW_TRY_ASSIGN(internal::Packet packet, internal::Packet::FromBuffer(data));
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if (packet.channel_id() == internal::Channel::kUnassignedChannelId ||
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packet.service_id() == 0 || packet.method_id() == 0) {
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PW_LOG_WARN("Received malformed pw_rpc packet");
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return Status::DataLoss();
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}
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return PacketMeta(packet);
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}
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} // namespace pw::rpc
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