serializePayload method
Call to serialize only the payload, no header, returns a int with a serialized size
Implementation
@override
int serializePayload(imc.TrexToken? message, ByteData byteData, int offset) {
if (message == null) return 0;
var byteOffset = offset;
// field timeline
var timelineEncoded = utf8.encode(message.timeline);
var timelineSSize = timelineEncoded.length;
byteData.setUint16(byteOffset, timelineSSize, imc.endianSer);
byteOffset += 2;
for (var b in timelineEncoded) {
byteData.setUint8(byteOffset++, b);
}
// field predicate
var predicateEncoded = utf8.encode(message.predicate);
var predicateSSize = predicateEncoded.length;
byteData.setUint16(byteOffset, predicateSSize, imc.endianSer);
byteOffset += 2;
for (var b in predicateEncoded) {
byteData.setUint8(byteOffset++, b);
}
// field attributes
if (message.attributes.isEmpty) {
byteData.setUint16(byteOffset, 0, imc.endianSer);
byteOffset += 2;
} else {
var msgsCounter = 0;
var bufCounterPos = byteOffset;
byteOffset += 2;
for (var i = 0; i < message.attributes.length; i++) {
var id = message.attributes[i].msgId;
var pMsgSerializer = imc.messagesSerializers[
imc.idsToMessages[id] ?? imc.ImcId.nullId.toString()]
?.call();
if (pMsgSerializer != null) {
byteData.setUint16(byteOffset, id, imc.endianSer);
byteOffset += 2;
var mPSize = pMsgSerializer.serializePayload(
message.attributes[i], byteData, byteOffset);
byteOffset += mPSize;
msgsCounter++;
}
byteData.setUint16(bufCounterPos, msgsCounter, imc.endianSer);
}
}
return byteOffset - offset;
}