void *tun_reader_f(void *args)
{
unsigned char data[BUFFER_SIZE];
size_t bytes;
while (1) {
bytes = read(tun_fd, (void *)data, BUFFER_SIZE);
if (bytes > 0) {
bytes = tun_to_serial_packet(tun_in_buf, (uint8_t *)data, bytes);
flowcontrol_send_over_tty((border_packet_t *)tun_in_buf, bytes);
}
}
}
void multiplex_send_addr_over_tty(struct in6_addr *addr)
{
border_addr_packet_t *packet = (border_addr_packet_t *)get_serial_out_buffer(0);
packet->empty = 0;
packet->type = BORDER_PACKET_CONF_TYPE;
packet->conftype = BORDER_CONF_IPADDR;
memcpy(
&packet->addr,
addr,
sizeof(struct in6_addr)
);
flowcontrol_send_over_tty(
(border_packet_t *) packet,
sizeof(border_addr_packet_t)
);
}
void multiplex_send_context_over_tty(const border_context_t *context)
{
border_context_packet_t *con_packet = (border_context_packet_t *)get_serial_out_buffer(0);
con_packet->empty = 0;
con_packet->type = BORDER_PACKET_CONF_TYPE;
con_packet->conftype = BORDER_CONF_CONTEXT;
memcpy(
&con_packet->context,
context,
sizeof(border_context_t)
);
flowcontrol_send_over_tty(
(border_packet_t *) con_packet,
sizeof(border_context_packet_t)
);
}
void multiplex_send_ipv6_over_tty(const struct ip6_hdr *packet)
{
border_l3_header_t *l3_hdr = (border_l3_header_t *)get_serial_out_buffer(0);
size_t packet_size = sizeof(struct ip6_hdr) + packet->ip6_plen;
l3_hdr->empty = 0;
l3_hdr->type = BORDER_PACKET_L3_TYPE;
l3_hdr->ethertype = ETHERTYPE_IPV6;
memcpy(
get_serial_out_buffer(0) + sizeof(border_l3_header_t),
packet,
packet_size
);
flowcontrol_send_over_tty(
(border_packet_t *) l3_hdr,
sizeof(border_l3_header_t) + packet_size
);
}