* new Packet::writeTo(), readFrom() methods. (for saving snapshots of packets)

src/Packet.h

@@ -71,6 +71,20 @@ public:
 
   void markDoNotRetransmit() { header = 0xFF; }
   bool isMarkedDoNotRetransmit() const { return header == 0xFF; }
+
+  /**
+   * \brief  save entire packet as a blob
+   * \param dest  (OUT) destination buffer (assumed to be MAX_MTU_SIZE)
+   * \returns  the packet length
+   */
+  uint8_t writeTo(uint8_t dest[]) const;
+
+  /**
+   * \brief  restore this packet from a blob (as created using writeTo())
+   * \param  src  (IN) buffer containing blob
+   * \param  len  the packet length (as returned by writeTo())
+   */
+  bool readFrom(const uint8_t src[], uint8_t len);
 };
 
 }