static struct function_record *new_record(unsigned long ip) {
struct function_record *r = lookup_record(ip);
if (r) return r;
r = malloc(sizeof *r);
memset(r, 0, sizeof *r);
r->ip = ip;
r->hash_next = fn_hash[hash_ip(ip)];
fn_hash[hash_ip(ip)] = r;
return r;
}
ip_context* get_ip_context(uint32_t src, uint32_t dst, ip_context **ip_context_list){
//TODO: collision!
uint32_t cur_ip_hash = hash_ip(src, dst);
if(ip_context_list[cur_ip_hash] == NULL){
ip_context_list[cur_ip_hash] = (ip_context*)malloc(sizeof(ip_context));
ip_context_list[cur_ip_hash]->user_context = (generic_context*)malloc(sizeof(generic_context));
int i;
for(i=0; i<COUNT_PROTO; i++){
ip_context_list[cur_ip_hash]->next_context[i] = (void**)calloc(PROTO_HASH_SIZE, sizeof(void*));
}
}
return ip_context_list[cur_ip_hash];
}
static struct function_record *lookup_record(unsigned long ip) {
struct function_record *f = fn_hash[hash_ip(ip)];
while (f && f->ip != ip) f = f->hash_next;
return f;
}
