lokinet/llarp/address_info.c
2018-05-13 14:07:36 -04:00

101 lines
2.8 KiB
C

#include <arpa/inet.h>
#include <llarp/address_info.h>
#include <llarp/bencode.h>
#include <llarp/mem.h>
#include <llarp/string.h>
bool llarp_ai_bdecode(struct llarp_ai *ai, llarp_buffer_t *buff)
{
}
bool llarp_ai_bencode(struct llarp_ai *ai, llarp_buffer_t *buff) {
char ipbuff[128] = {0};
const char *ipstr;
if (!bencode_start_dict(buff)) return false;
/* rank */
if (!bencode_write_bytestring(buff, "c", 1)) return false;
if (!bencode_write_uint16(buff, ai->rank)) return false;
/* dialect */
if (!bencode_write_bytestring(buff, "d", 1)) return false;
if (!bencode_write_bytestring(buff, ai->dialect,
strnlen(ai->dialect, sizeof(ai->dialect))))
return false;
/* encryption key */
if (!bencode_write_bytestring(buff, "e", 1)) return false;
if (!bencode_write_bytestring(buff, ai->enc_key, sizeof(llarp_pubkey_t)))
return false;
/** ip */
ipstr = inet_ntop(AF_INET6, &ai->ip, ipbuff, sizeof(ipbuff));
if (!ipstr) return false;
if (!bencode_write_bytestring(buff, "i", 1)) return false;
if (!bencode_write_bytestring(buff, ipstr, strnlen(ipstr, sizeof(ipbuff))))
return false;
/** port */
if (!bencode_write_bytestring(buff, "p", 1)) return false;
if (!bencode_write_uint16(buff, ai->port)) return false;
/** version */
if (!bencode_write_version_entry(buff)) return false;
/** end */
return bencode_end(buff);
}
static bool llarp_ai_list_iter_bencode(struct llarp_ai_list_iter *iter,
struct llarp_ai *ai) {
return llarp_ai_bencode(ai, iter->user);
}
bool llarp_ai_list_bencode(struct llarp_ai_list *l, llarp_buffer_t *buff) {
if (!bencode_start_list(buff)) return false;
struct llarp_ai_list_iter ai_itr = {.user = buff,
.visit = &llarp_ai_list_iter_bencode};
llarp_ai_list_iterate(l, &ai_itr);
return bencode_end(buff);
}
struct llarp_ai_list_node {
struct llarp_ai data;
struct llarp_ai_list_node *next;
};
struct llarp_ai_list {
struct llarp_ai_list_node *root;
};
struct llarp_ai_list *llarp_ai_list_new() {
struct llarp_ai_list *l = llarp_g_mem.alloc(sizeof(struct llarp_ai_list), 8);
if (l) {
l->root = NULL;
}
return l;
}
void llarp_ai_list_free(struct llarp_ai_list **l) {
if (*l) {
struct llarp_ai_list_node *cur = (*l)->root;
while (cur) {
struct llarp_ai_list_node *tmp = cur->next;
llarp_g_mem.free(cur);
cur = tmp;
}
llarp_g_mem.free(*l);
*l = NULL;
}
}
void llarp_ai_list_iterate(struct llarp_ai_list *l,
struct llarp_ai_list_iter *itr) {
struct llarp_ai_list_node *cur = l->root;
itr->list = l;
while (cur) {
if (!itr->visit(itr, &cur->data)) return;
cur = cur->next;
};
}
bool llarp_ai_list_bdecode(struct llarp_ai_list * l, llarp_buffer_t * buff)
{
return false;
}