mirror of
https://github.com/kidfromjupiter/nearby.git
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Alexey Polyudov
204f76077d
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I2cf5bf225b76f4c1541954651f3a7544a14e0cec
50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
#ifndef CORE_INTERNAL_MEDIUMS_BLE_PACKET_H_
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#define CORE_INTERNAL_MEDIUMS_BLE_PACKET_H_
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#include "platform/byte_array.h"
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#include "platform/ptr.h"
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namespace location {
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namespace nearby {
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namespace connections {
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namespace mediums {
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// Represents the format of data sent over BLE sockets.
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//
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// [SERVICE_ID_HASH][DATA]
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//
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// See go/nearby-ble-design for more information.
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class BLEPacket {
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public:
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static ConstPtr<BLEPacket> fromBytes(ConstPtr<ByteArray> ble_packet_bytes);
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static ConstPtr<ByteArray> toBytes(ConstPtr<ByteArray> service_id_hash,
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ConstPtr<ByteArray> data);
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static const std::uint32_t kServiceIdHashLength;
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~BLEPacket();
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ConstPtr<ByteArray> getServiceIdHash() const;
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ConstPtr<ByteArray> getData() const;
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private:
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static size_t computeDataSize(ConstPtr<ByteArray> ble_packet_bytes);
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static size_t computePacketLength(ConstPtr<ByteArray> data);
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static const std::uint32_t kMinPacketLength;
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static const std::uint32_t kMaxDataSize;
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BLEPacket(ConstPtr<ByteArray> service_id_hash, ConstPtr<ByteArray> data);
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ScopedPtr<ConstPtr<ByteArray> > service_id_hash_;
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ScopedPtr<ConstPtr<ByteArray> > data_;
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};
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} // namespace mediums
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} // namespace connections
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} // namespace nearby
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} // namespace location
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#endif // CORE_INTERNAL_MEDIUMS_BLE_PACKET_H_
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