Repo created

libs/tracking/protocol.hpp

@@ -0,0 +1,56 @@
+#pragma once
+
+#include "coding/traffic.hpp"
+
+#include <cstdint>
+#include <string>
+#include <utility>
+#include <vector>
+
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-copy"
+#endif
+#include <boost/circular_buffer.hpp>
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+
+namespace tracking
+{
+class Protocol
+{
+public:
+  using Encoder = coding::TrafficGPSEncoder;
+  using DataElementsCirc = boost::circular_buffer<Encoder::DataPoint>;
+  using DataElementsVec = std::vector<Encoder::DataPoint>;
+
+  static uint8_t const kOk[4];
+  static uint8_t const kFail[4];
+
+  enum class PacketType
+  {
+    Error = 0x0,
+    AuthV0 = 0x81,
+    DataV0 = 0x82,
+    DataV1 = 0x92,
+
+    CurrentAuth = AuthV0,
+    CurrentData = DataV1
+  };
+
+  static std::vector<uint8_t> CreateHeader(PacketType type, uint32_t payloadSize);
+  static std::vector<uint8_t> CreateAuthPacket(std::string const & clientId);
+  static std::vector<uint8_t> CreateDataPacket(DataElementsCirc const & points, PacketType type);
+  static std::vector<uint8_t> CreateDataPacket(DataElementsVec const & points, PacketType type);
+
+  static std::pair<PacketType, size_t> DecodeHeader(std::vector<uint8_t> const & data);
+  static std::string DecodeAuthPacket(PacketType type, std::vector<uint8_t> const & data);
+  static DataElementsVec DecodeDataPacket(PacketType type, std::vector<uint8_t> const & data);
+
+private:
+  static void InitHeader(std::vector<uint8_t> & packet, PacketType type, uint32_t payloadSize);
+};
+
+std::string DebugPrint(Protocol::PacketType type);
+}  // namespace tracking