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nearby/connections/out_of_band_connection_metadata.h
2025-11-21 14:46:39 -08:00

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C++

// Copyright 2021 Google LLC
//
// 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.
#ifndef CORE_OUT_OF_BAND_CONNECTION_METADATA_H_
#define CORE_OUT_OF_BAND_CONNECTION_METADATA_H_
#include <string>
#include "connections/medium_selector.h"
#include "internal/platform/byte_array.h"
namespace nearby {
namespace connections {
// Metadata injected to facilitate out-of-band connections. The medium field is
// required, and the other fields are only specified for a specific medium.
// Currently, Bluetooth is the only supported medium for out-of-band
// connections.
struct OutOfBandConnectionMetadata {
// Medium to use for the out-of-band connection.
Medium medium;
// Endpoint ID to use for the injected connection; will be included in the
// endpoint_found_cb callback. Must be exactly 4 bytes and should be randomly-
// generated such that no two IDs are identical.
std::string endpoint_id;
// Endpoint info to use for the injected connection; will be included in the
// endpoint_found_cb callback. Should uniquely identify the InjectEndpoint()
// call so that the client which made the call can verify the endpoint
// that was found is the one that was injected.
//
// Cannot be empty, and must be <131 bytes.
ByteArray endpoint_info;
// Used for Bluetooth connections.
ByteArray remote_bluetooth_mac_address;
//
// Properties for BLE out-of-band connections.
//
// The BLE peripheral native ID to use for the BLE connection.
// On Apple platform, the native ID is NSUUID in string format like
// "E621E1F8-C36C-495A-93FC-0C247A3E6E5F", other platform will be MAC address
// as string format like "0C:24:7A:3E:6E:5F".
std::string ble_peripheral_native_id;
// The Protocol/Service Multiplexer(psm) value to use for the BLE connection.
int psm;
};
} // namespace connections
} // namespace nearby
#endif // CORE_OUT_OF_BAND_CONNECTION_METADATA_H_