int parse_LSAs_file(char *filename){
FILE *f;
f = fopen(filename, "r");
if(!f){
return -1;
}
char buffer[MAX_BUFFER];
char sender[MAX_BUFFER];
int seq_num;
char neighbors[MAX_BUFFER];
while(fgets(buffer, MAX_BUFFER, f)){
sscanf(buffer, "%s %d %s", sender, &seq_num, neighbors);
// printf("%s, %d, %s\n", sender, seq_num, neighbors);
struct node* node_p = add_node(sender, &nodes);
if(exist_in_list(servers, node_p)<0){
if(strncmp(node_p->name, "router", strlen("router"))!=0 || strlen(node_p->name)<strlen("router")){
add_node_list(&clients, node_p);
}
}
if(node_p->seq_num<seq_num){
node_p->seq_num = seq_num;
free(node_p->neighbors);
node_p->neighbors = NULL;
char* neighbor = strtok(neighbors, ",");
while(neighbor){
struct node* p_neighbor = add_node(neighbor, &nodes);
add_node_list(&(node_p->neighbors), p_neighbor);
neighbor = strtok(NULL, ",");
}
}
}
fclose(f);
return 1;
}
// return -1 if error encountered
int parse_server_file(char* filename){
FILE *f;
f = fopen(filename, "r");
if(!f){
return -1;
}
char buffer[MAX_BUFFER];
while(fgets(buffer, MAX_BUFFER, f)){
buffer[strlen(buffer)-1] = '\0';
struct node* p_node = add_node(buffer, &nodes);
add_node_list(&servers, p_node);
}
fclose(f);
return 1;
}
void init_node_list(u_int n, node_address *names, node_list *nodes)
{
nodes->node_list_len = 0;
nodes->node_list_val = 0;
add_node_list(n, names, nodes);
}
