/*
* This stores the node on the disk. If the offset passed is -1 node will be stored at the end of the file.
* This indicated newly added node.
*/
int storeNode(TreeNode *node, long long int offset) {
if (offset == -1) {
offset = fHandler->getSize();
}
Utils::copyBytes(node->myaddr, Utils::getBytesForInt(offset), NODE_OFFSET_SIZE);
char *block = (char *) malloc(BLOCK_SIZE);
int position = 0;
Utils::copyBytes(&block[position], Utils::getBytesForInt(offset),
NODE_OFFSET_SIZE);
position += NODE_OFFSET_SIZE;
block[position] = node->flag;
position += 1;
Utils::copyBytes(&block[position], Utils::getBytesForInt(node->numkeys),
sizeof(node->numkeys));
position += sizeof(node->numkeys);
Utils::copyBytes(&block[position], (node->data), sizeof(node->data));
position += sizeof(node->data);
if(node->nextaddr){
Utils::copyBytes(&(block[position]), (node->nextaddr), NODE_OFFSET_SIZE);
}
else Utils::copyBytes(&(block[position]), Utils::getBytesForInt(-1), NODE_OFFSET_SIZE);
fHandler->writeBlock(offset, block);
free(block);
return 0;
}
