/**
* End loading dictionary entries. It calculates some statistics for
* the read entries, outputs errors if encountered
* while the last loading, and returns with status whether an error
* occured while loading.
*
* @param winfo [i/o] word dictionary just read by voca_load_line() calls
*
* @return TRUE when no error has been occured during loading, or FALSE
* if an error occured.
*
*/
boolean
voca_load_end(WORD_INFO *winfo)
{
voca_set_stats(winfo);
if (!winfo->ok_flag) {
if (winfo->errph_root != NULL) list_error(winfo);
}
return(winfo->ok_flag);
}
t_list *list_swap_elem(t_list *a, t_list *b)
{
void *data;
if (!a || !b)
list_error("Null element");
data = a->data;
a->data = b->data;
b->data = data;
return (a);
}
t_list *list_pop(t_list **begin)
{
t_list *pop;
if (!begin)
list_error("Null argument.");
pop = *begin;
if (pop)
{
(*begin)->prev = NULL;
*begin = pop->next;
pop->prev = NULL;
pop->next = NULL;
}
return (pop);
}
/**
* @brief Create sender list
*
*/
void create_list(char *data_ptr, My402List *list, const char *list_type){
// Initialize the data list
if (My402ListInit(list)==0){
exit(1);
}
// Iterate and add nodes with seq_num and mem address
vlong seq_num = 0;
for (;seq_num<globals.config.total_size; seq_num += globals.config.packet_size){
struct node *data_node = malloc(sizeof(struct node));
data_node->seq_num = seq_num;
data_node->mem_ptr = data_ptr + seq_num;
// To handle scenario where the last packet is of size less then
// required
vlong size = globals.config.total_size - seq_num > globals.config.packet_size ? globals.config.packet_size : globals.config.total_size - seq_num;
// size in bytes
data_node->size = size;
My402ListElem *link_node;
if (My402ListAppend(list , data_node, &link_node)==0)
list_error("Append Failed");
//DBG("MEM PTR = %p, SEQ_NUM = %llu", data_node->mem_ptr, data_node->seq_num);
// Check if DATA or NACK list
// Add the linked list node pointer to the hashmap node
if (strcmp(list_type, DATA) == 0) {
// DATA list
hashed_link *hash_node = malloc(sizeof(hashed_link));
hash_node->seq_num = data_node->seq_num;
hash_node->data_node_ptr = link_node;
add_hashl(hash_node);
}
else {
// NACK list
hashed_link *hash_node = (hashed_link *)(find_hashl(data_node->seq_num));
if (!hash_node) {
DBG("This should never happen");
exit(1);
}
hash_node->nack_node_ptr = link_node;
}
}
}
/**
* @brief Append node for retransmission
* NOT USED
*/
void add_retransmission_node(vlong *retrans_list, int num_retrans){
// Iterate the retrans_list
int i;
for (i=0;i<num_retrans;i++){
vlong seq_num = retrans_list[i];
DBG("Add node = %llu", seq_num);
hashed_link *hash_node = (hashed_link *)(find_hashl(seq_num));
// Create a duplicate node
struct node *data_node = malloc(sizeof(struct node));
data_node->seq_num = seq_num;
data_node->mem_ptr = ((struct node*)((hash_node->data_node_ptr)->obj))->mem_ptr;
data_node->size = ((struct node*)((hash_node->data_node_ptr)->obj))->size;
// Append the duplicate node to the end of the data list.
My402ListElem *link_node;
if (My402ListAppend(&globals.datal , data_node, &link_node)==0)
list_error("Error in appending to list");
}
}
/**
* @brief Create list
* recv_data_list
* recv_nack__list
* only sequence number is added
*/
void create_recv_list(My402List *list, const char *list_type){
// Initialize the data list
if (My402ListInit(list)==0){
exit(1);
}
// Iterate and add nodes with seq_num and mem address
vlong seq_num = 0;
for (;seq_num<globals.config.total_size; seq_num += globals.config.packet_size){
struct node *data_node = malloc(sizeof(struct node));
data_node->seq_num = seq_num;
data_node->mem_ptr = NULL;
My402ListElem *link_node;
if (My402ListAppend(list , data_node, &link_node)==0)
list_error("Append Failed");
// Check if DATA or NACK list
// Add the linked list node pointer to the hashmap node
if (strcmp(list_type, DATA) == 0) {
// DATA list
hashed_link *hash_node = malloc(sizeof(hashed_link));
hash_node->seq_num = data_node->seq_num;
hash_node->data_node_ptr = link_node;
add_hashl(hash_node);
}
else {
// NACK list
hashed_link *hash_node = (hashed_link *)(find_hashl(data_node->seq_num));
if (!hash_node) {
DBG("This should never happen");
exit(1);
}
hash_node->nack_node_ptr = link_node;
}
}
}
