static gboolean
afsocket_sd_open_listener(AFSocketSourceDriver *self)
{
GlobalConfig *cfg = log_pipe_get_config(&self->super.super.super);
gint sock;
gboolean res = FALSE;
/* ok, we have connection list, check if we need to open a listener */
sock = -1;
if (self->transport_mapper->sock_type == SOCK_STREAM)
{
if (self->connections_kept_alive_accross_reloads)
{
/* NOTE: this assumes that fd 0 will never be used for listening fds,
* main.c opens fd 0 so this assumption can hold */
sock = GPOINTER_TO_UINT(cfg_persist_config_fetch(cfg, afsocket_sd_format_persist_name(self, TRUE))) - 1;
}
if (sock == -1)
{
if (!afsocket_sd_acquire_socket(self, &sock))
return self->super.super.optional;
if (sock == -1 && !transport_mapper_open_socket(self->transport_mapper, self->socket_options, self->bind_addr, AFSOCKET_DIR_RECV, &sock))
return self->super.super.optional;
}
/* set up listening source */
if (listen(sock, self->listen_backlog) < 0)
{
msg_error("Error during listen()",
evt_tag_errno(EVT_TAG_OSERROR, errno),
NULL);
close(sock);
return FALSE;
}
self->fd = sock;
afsocket_sd_start_watches(self);
res = TRUE;
}
else
{
if (!self->connections)
{
if (!afsocket_sd_acquire_socket(self, &sock))
return self->super.super.optional;
if (sock == -1 && !transport_mapper_open_socket(self->transport_mapper, self->socket_options, self->bind_addr, AFSOCKET_DIR_RECV, &sock))
return self->super.super.optional;
}
self->fd = -1;
/* we either have self->connections != NULL, or sock contains a new fd */
if (self->connections || afsocket_sd_process_connection(self, NULL, self->bind_addr, sock))
res = TRUE;
}
return res;
}
static gboolean
create_socket_with_address(GSockAddr *addr, gint *sock)
{
SocketOptionsInet *sock_options;
gboolean result;
sock_options = socket_options_inet_new_instance();
result = transport_mapper_open_socket(transport_mapper, &sock_options->super, addr, AFSOCKET_DIR_RECV, sock);
socket_options_free(&sock_options->super);
return result;
}
static gboolean
afsocket_dd_start_connect(AFSocketDestDriver *self)
{
int sock, rc;
gchar buf1[MAX_SOCKADDR_STRING], buf2[MAX_SOCKADDR_STRING];
main_loop_assert_main_thread();
g_assert(self->transport_mapper->transport);
g_assert(self->bind_addr);
if (!transport_mapper_open_socket(self->transport_mapper, self->socket_options, self->bind_addr, AFSOCKET_DIR_SEND, &sock))
{
return FALSE;
}
g_assert(self->dest_addr);
rc = g_connect(sock, self->dest_addr);
if (rc == G_IO_STATUS_NORMAL)
{
self->fd = sock;
afsocket_dd_connected(self);
}
else if (rc == G_IO_STATUS_ERROR && errno == EINPROGRESS)
{
/* we must wait until connect succeeds */
self->fd = sock;
afsocket_dd_start_watches(self);
}
else
{
/* error establishing connection */
msg_error("Connection failed",
evt_tag_int("fd", sock),
evt_tag_str("server", g_sockaddr_format(self->dest_addr, buf2, sizeof(buf2), GSA_FULL)),
evt_tag_str("local", g_sockaddr_format(self->bind_addr, buf1, sizeof(buf1), GSA_FULL)),
evt_tag_errno(EVT_TAG_OSERROR, errno),
NULL);
close(sock);
return FALSE;
}
return TRUE;
}
