/* UDP send command */
void sixlowapp_udp_send(ipv6_addr_t *dest, uint16_t port, char *payload, size_t len)
{
int sock;
sockaddr6_t sa;
int bytes_sent;
sock = socket_base_socket(PF_INET6, SOCK_DGRAM, IPPROTO_UDP);
if (-1 == sock) {
printf("Error Creating Socket!");
return;
}
memset(&sa, 0, sizeof(sa));
sa.sin6_family = AF_INET;
memcpy(&sa.sin6_addr, dest, 16);
sa.sin6_port = HTONS(port);
printf("Trying to send %i bytes to %s:%" PRIu16 "\n", len,
ipv6_addr_to_str(addr_str, IPV6_MAX_ADDR_STR_LEN, dest), port);
bytes_sent = socket_base_sendto(sock, payload, len, 0, &sa, sizeof(sa));
if (bytes_sent < 0) {
printf("Error sending packet!\n");
}
else {
printf("Successful deliverd %i bytes over UDP to %s to 6LoWPAN\n",
bytes_sent, ipv6_addr_to_str(addr_str, IPV6_MAX_ADDR_STR_LEN,
dest));
}
socket_base_close(sock);
}
/* UDP send command */
void udp_send(int argc, char **argv)
{
int sock;
sockaddr6_t sa;
ipv6_addr_t ipaddr;
int bytes_sent;
int address;
char text[5];
if (argc != 3) {
printf("usage: send <addr> <text>\n");
return;
}
address = atoi(argv[1]);
strncpy(text, argv[2], sizeof(text));
text[sizeof(text) - 1] = 0;
sock = socket_base_socket(PF_INET6, SOCK_DGRAM, IPPROTO_UDP);
if (-1 == sock) {
printf("Error Creating Socket!");
return;
}
memset(&sa, 0, sizeof(sa));
if (address) {
ipv6_addr_init(&ipaddr, 0xabcd, 0x0, 0x0, 0x0, 0x0, 0x00ff, 0xfe00, (uint16_t)address);
}
else {
ipv6_addr_set_all_nodes_addr(&ipaddr);
}
sa.sin6_family = AF_INET;
memcpy(&sa.sin6_addr, &ipaddr, 16);
sa.sin6_port = HTONS(SERVER_PORT);
bytes_sent = socket_base_sendto(sock, (char *)text,
strlen(text) + 1, 0, &sa,
sizeof(sa));
if (bytes_sent < 0) {
printf("Error sending packet!\n");
}
else {
printf("Successful deliverd %i bytes over UDP to %s to 6LoWPAN\n",
bytes_sent, ipv6_addr_to_str(addr_str, IPV6_MAX_ADDR_STR_LEN,
&ipaddr));
}
socket_base_close(sock);
}
