struct peer_manager *peerman_seed(bool use_dns)
{
struct peer_manager *peers;
peers = peerman_new();
if (!peers)
return NULL;
/* make DNS query for seed data */
clist *tmp, *seedlist = NULL;
if (use_dns)
seedlist = bu_dns_seed_addrs();
log_debug("peerman: DNS returned %zu addresses",
clist_length(seedlist));
clist_shuffle(seedlist);
/* import seed data into peerman */
tmp = seedlist;
while (tmp) {
struct bp_address *addr = tmp->data;
tmp = tmp->next;
peerman_add_addr(peers, addr, true);
free(addr);
}
clist_free(seedlist);
return peers;
}
struct peer_manager *peerman_read(void *peers_file)
{
char *filename = peers_file;
if (!filename)
return NULL;
struct peer_manager *peers;
peers = peerman_new();
if (!peers)
return NULL;
int fd = file_seq_open(filename);
if (fd < 0) {
log_error("peerman: %s: %s",
filename,
strerror(errno));
goto err_out;
}
struct p2p_message msg = {};
bool read_ok = true;
while (fread_message(fd, &msg, &read_ok)) {
if (!peerman_read_rec(peers, &msg)) {
log_error("peerman: read record failed");
goto err_out_fd;
}
}
if (!read_ok) {
log_error("peerman: read I/O failed");
goto err_out_fd;
}
free(msg.data);
close(fd);
return peers;
err_out_fd:
free(msg.data);
close(fd);
err_out:
peerman_free(peers);
return NULL;
}
struct peer_manager *peerman_read(void)
{
char *filename = setting("peers");
if (!filename)
return NULL;
struct peer_manager *peers;
peers = peerman_new();
if (!peers)
return NULL;
int fd = file_seq_open(filename);
if (fd < 0) {
perror(filename);
goto err_out;
}
struct p2p_message msg = {};
bool read_ok = true;
while (fread_message(fd, &msg, &read_ok)) {
if (!peerman_read_rec(peers, &msg)) {
fprintf(stderr, "peerman: read record failed\n");
goto err_out;
}
}
if (!read_ok) {
fprintf(stderr, "peerman: read I/O failed\n");
goto err_out;
}
free(msg.data);
close(fd);
return peers;
err_out:
peerman_free(peers);
return NULL;
}