fsfw/src/fsfw/cfdp/handler/ReservedMessageParser.cpp

#include "ReservedMessageParser.h"

#include "fsfw/cfdp/CfdpMessage.h"
#include "fsfw/cfdp/handler/PutRequest.h"
#include "fsfw/cfdp/tlv/MessageToUserTlv.h"
#include "fsfw/ipc/CommandMessage.h"
#include "fsfw/ipc/QueueFactory.h"

using namespace returnvalue;

cfdp::ReservedMessageParser::ReservedMessageParser(StorageManagerIF& ipcStore,
                                                   MessageQueueIF& msgQueue,
                                                   MessageQueueId_t userDestination)
    : msgQueue(msgQueue), ipcStore(ipcStore), userDestination(userDestination) {}

ReturnValue_t cfdp::ReservedMessageParser::parse(const MessageToUserTlv* msgsToUserArray,
                                                 size_t numMsgToUser) {
  ReturnValue_t result = returnvalue::OK;
  cfdp::StringLv sourceFileName;
  cfdp::StringLv destFileName;
  PutRequest putRequest;
  const uint8_t* currentPtr = nullptr;
  size_t deserSize = 0;
  bool needToSendPutRequest = false;
  for (size_t idx = 0; idx < numMsgToUser; idx++) {
    if (&msgsToUserArray[idx] == nullptr) {
      continue;
    }
    uint8_t messageType = 0;
    if (msgsToUserArray[idx].isReservedCfdpMessage(messageType, &currentPtr, deserSize)) {
      if (messageType == static_cast<uint8_t>(ProxyOpMessageType::PUT_REQUEST)) {
        EntityId entityIdLv;
        result = entityIdLv.deSerializeFromLv(&currentPtr, &deserSize);
        if (result != returnvalue::OK) {
          return result;
        }
        putRequest.setDestId(entityIdLv);
        result =
            sourceFileName.deSerialize(&currentPtr, &deserSize, SerializeIF::Endianness::NETWORK);
        if (result != OK) {
          return result;
        }
        result =
            destFileName.deSerialize(&currentPtr, &deserSize, SerializeIF::Endianness::NETWORK);
        if (result != OK) {
          return result;
        }
        putRequest.setSourceAndDestName(sourceFileName, destFileName);
        needToSendPutRequest = true;
      }
    }
  }
  if (needToSendPutRequest) {
    store_address_t storeId;
    uint8_t* dataPtr;
    result = ipcStore.getFreeElement(&storeId, putRequest.getSerializedSize(), &dataPtr);
    if (result != OK) {
      return result;
    }
    size_t serLen = 0;
    result = putRequest.serialize(&dataPtr, &serLen, putRequest.getSerializedSize(),
                                  SerializeIF::Endianness::MACHINE);
    if (result != OK) {
      return result;
    }
    CommandMessage msg;
    CfdpMessage::setPutRequest(&msg, storeId);
    result = msgQueue.sendMessage(userDestination, &msg);
    if (result != OK) {
      return result;
    }
  }
  return OK;
}