// load in the key to existing link
link_t link_load(link_t link, uint8_t csid, lob_t key)
{
char hex[3];
lob_t copy;
if(!link || !csid || !key) return LOG("bad args");
if(link->x) return link;
LOG("adding %x key to link %s",csid,link->id->hashname);
// key must be bin
if(key->body_len)
{
copy = lob_copy(key);
}else{
util_hex(&csid,1,hex);
copy = lob_get_base32(key,hex);
}
link->x = exchange3_new(link->mesh->self, csid, copy);
if(!link->x)
{
lob_free(copy);
return LOG("invalid %x key %d %s",csid,key->body_len,lob_json(key));
}
link->csid = csid;
link->key = copy;
// route packets to this token
util_hex(exchange3_token(link->x),16,link->token);
xht_set(link->mesh->index,link->token,link);
exchange3_out(link->x, platform_seconds());
LOG("delivering session token %s to %s",link->token,link->id->hashname);
return link;
}
int path_alive(path_t p)
{
unsigned long now;
if(!p) return 0;
now = platform_seconds();
if((now - p->tin) < 30) return 1;
return 0;
}