tail management fix

src/AstriHornGeneric.cpp

@@ -17,7 +17,7 @@ uint AstriHornGeneric::getHeaderSize() const {
 uint AstriHornGeneric::getPayloadSize() const {
 	auto val = this->operator [](5);
 	if(val.has_value())
-		return val.value()-1;
+		return val.value()+1;
 	else{
 		std::cerr << "Error: cannot access index 5 to get payload size." <<  std::endl;
 		exit(EXIT_FAILURE);
@@ -25,7 +25,7 @@ uint AstriHornGeneric::getPayloadSize() const {
 }
 
 uint AstriHornGeneric::getTailSize() const {
-	return 2;
+	return 0;
 }
 
 bool AstriHornGeneric::isRecognizedHeader() const {
@@ -49,8 +49,8 @@ bool AstriHornGeneric::isRecognizedHeader(std::vector<uint8_t> buff) const {
 
 	size_t type = buff[1] >> 4;
 	size_t subtype = buff[1] & 0x0F;
-	ssize_t length = (buff[4] << 8) + buff[5] -1;
-	ssize_t totLength = this->getHeaderSize() + length + this->getTailSize();
+	ssize_t length = (buff[4] << 8) + buff[5];
+	ssize_t totLength = this->getHeaderSize() + length+1 + this->getTailSize();
 	std::tuple<size_t, size_t, size_t> target = std::make_tuple(type, subtype,totLength);
 	auto it = std::find(AstriHorn::recognizedPackets.begin(),
 			AstriHorn::recognizedPackets.end(), target);