serialize the json to bytes

Signed-off-by: faradaym <rcheyenne.truss@gmail.com>

Author: faradaym

src/DuckNet.cpp

@@ -1,5 +1,6 @@
 #include "include/DuckNet.h"
 #include <cstring>
+#include <ArduinoJson.h>
 
 DuckNet::DuckNet(BloomFilter *filter): bloomFilter(filter) {
 }
@@ -407,7 +408,28 @@ uint8_t* DuckNet::serializeAtakHistoryToBytes(CircularBuffer* buffer, size_t* to
  while(tail != buffer->getHead()){
  CdpPacket packet = buffer->getMessage(tail);
  packetArr.insert(packetArr.end(), packet.muid.begin(), packet.muid.end());
- packetArr.insert(packetArr.end(), packet.data.begin(), packet.data.end());
+ // packetArr.insert(packetArr.end(), packet.data.begin(), packet.data.end());
+
+ // Decode JSON from packet.data
+ DynamicJsonDocument doc(256);
+ DeserializationError err = deserializeJson(doc, packet.data.data(), packet.data.size());
+ if (err) {
+ logerr_ln("JSON parse error in packet.data");
+ } else {
+ // Extract fields
+ const char* body = doc["body"] | "";
+ const char* username = doc["username"] | "";
+
+ // Manually encode: [len][data]
+ uint8_t bodyLen = strlen(body);
+ packetArr.push_back(bodyLen);
+ packetArr.insert(packetArr.end(), body, body + bodyLen);
+
+ uint8_t usernameLen = strlen(username);
+ packetArr.push_back(usernameLen);
+ packetArr.insert(packetArr.end(), username, username + usernameLen);
+ }
+
  tail++;
  if(tail == buffer->getBufferEnd()){
  tail = 0;