applied platformio structure

lib/spotify/cspot/include/ShannonConnection.h

@@ -0,0 +1,41 @@
+#ifndef SHANNONCONNECTION_H
+#define SHANNONCONNECTION_H
+
+#include <cstdint>  // for uint8_t, uint32_t
+#include <memory>   // for shared_ptr, unique_ptr
+#include <mutex>    // for mutex
+#include <vector>   // for vector
+
+#include "Packet.h"  // for Packet
+
+class Shannon;
+namespace cspot {
+
+class PlainConnection;
+}  // namespace cspot
+
+#define MAC_SIZE 4
+namespace cspot {
+class ShannonConnection {
+ private:
+  std::unique_ptr<Shannon> sendCipher;
+  std::unique_ptr<Shannon> recvCipher;
+  uint32_t sendNonce = 0;
+  uint32_t recvNonce = 0;
+  std::vector<uint8_t> cipherPacket(uint8_t cmd, std::vector<uint8_t>& data);
+  std::mutex writeMutex;
+  std::mutex readMutex;
+
+ public:
+  ShannonConnection();
+  ~ShannonConnection();
+  void wrapConnection(std::shared_ptr<PlainConnection> conn,
+                      std::vector<uint8_t>& sendKey,
+                      std::vector<uint8_t>& recvKey);
+  void sendPacket(uint8_t cmd, std::vector<uint8_t>& data);
+  std::shared_ptr<PlainConnection> conn;
+  Packet recvPacket();
+};
+}  // namespace cspot
+
+#endif