68 lines
2.2 KiB
C++
68 lines
2.2 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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#include "pw_bluetooth_profiles/device_info_service.h"
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#include "pw_assert/check.h"
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namespace pw::bluetooth_profiles {
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void DeviceInfoServiceImpl::PublishService(
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bluetooth::gatt::Server* gatt_server,
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Callback<
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void(bluetooth::Result<bluetooth::gatt::Server::PublishServiceError>)>
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result_callback) {
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PW_CHECK(publish_service_callback_ == nullptr);
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publish_service_callback_ = std::move(result_callback);
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this->delegate_.SetServicePtr(nullptr);
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return gatt_server->PublishService(
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service_info_,
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&delegate_,
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[this](bluetooth::gatt::Server::PublishServiceResult result) {
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if (result.ok()) {
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this->publish_service_callback_({});
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this->delegate_.SetServicePtr(std::move(result.value()));
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} else {
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this->publish_service_callback_(result.error());
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}
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});
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}
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void DeviceInfoServiceImpl::Delegate::OnError(
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bluetooth::gatt::Error /* error */) {
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local_service_.reset();
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}
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void DeviceInfoServiceImpl::Delegate::ReadValue(
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bluetooth::PeerId /* peer_id */,
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bluetooth::gatt::Handle handle,
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uint32_t offset,
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Function<void(
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bluetooth::Result<bluetooth::gatt::Error, span<const std::byte>>)>&&
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result_callback) {
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const uint32_t value_index = static_cast<uint32_t>(handle);
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if (value_index >= values_.size()) {
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result_callback(bluetooth::gatt::Error::kInvalidHandle);
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return;
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}
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span<const std::byte> value = values_[value_index];
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if (offset > value.size()) {
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result_callback(bluetooth::gatt::Error::kInvalidOffset);
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return;
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}
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result_callback({std::in_place, value.subspan(offset)});
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}
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} // namespace pw::bluetooth_profiles
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