TEST(meta_test, rx_pkt)
{
std_socket_address_t bind;
t_std_error rc = std_sock_addr_from_ip_str (e_std_sock_INET4, "127.0.0.1",
SOCK_PORT, &bind);
int fd;
rc = std_socket_create (e_std_sock_INET4, e_std_sock_type_DGRAM, 0, &bind, &fd);
ASSERT_TRUE(STD_ERR_OK == rc);
constexpr size_t MAXLEN = 256;
uint8_t buf[MAXLEN];
struct iovec sock_data = {buf, MAXLEN};
std_socket_msg_t msg = { NULL, 0, &sock_data, 2, NULL, 0, 0};
auto n = std_socket_op (std_socket_transit_o_READ, fd, &msg,
std_socket_transit_f_NONE, 0, &rc);
ASSERT_TRUE(STD_ERR_OK == rc);
if (n < 0) printf ("FAILED\r\n");
else {
std::cout << "Received bytes: " << n << std::endl;
nas_pkt_meta_attr_it_t it;
bool found=false;
for (nas_pkt_meta_it_begin (buf, &it); nas_pkt_meta_it_valid (&it);
nas_pkt_meta_it_next (&it)) {
std_tlv_tag_t t = nas_pkt_meta_attr_type (it.attr);
found=true;
std::cout << "Found Packet Meta attr " << t << std::endl;
if (t == NAS_PKT_META_RX_PORT) {
hal_ifindex_t ifidx = nas_pkt_meta_attr_data_uint (it.attr);
std::cout << "Received pkt on IfIndex " << ifidx << std::endl;
EXPECT_TRUE (ifidx == 45);
}
}
EXPECT_TRUE (found);
// Offset to the actual packet data
uint8_t* pkt = nas_pkt_data_offset (buf);
uint32_t test = 0xbeeff00d;
test = ntohl (test);
uint32_t data = *((uint32_t*)pkt);
EXPECT_TRUE (test == data);
}
rc = std_close (fd);
ASSERT_TRUE(STD_ERR_OK == rc);
}
inet_iface_t
inet_iface_get_my_iface(const char** prio_pats, int npat){
int i;
int sockfd;
const char *ip;
const char *pat;
struct ifreq *ifrp;
struct ifconf ifc;
struct sockaddr_in *addr;
char buf[sizeof(struct ifreq) * INET_IFACE_MAX_IFS];
sockfd = std_socket(AF_INET, SOCK_STREAM, 0);
/* need to set user buffer and size prior to ioctl */
/* must make sure that enough buffer size is allocated */
ifc.ifc_len = sizeof(buf);
ifc.ifc_buf = (char*) buf;
/* get 'all current L3 interface addresses that are running' */
/* ifc_buf is written and ifc_len is set */
if(ioctl(sockfd, SIOCGIFCONF, &ifc) == -1){
perror("ioctl");
exit(1);
}
std_close(sockfd);
if(ifc.ifc_len == sizeof(buf)){ /* overflow is not an error */
fprintf(stderr, "ifc.ifc_buf overflow\n");
exit(1);
}
/* first, respect user specified priorities */
for(i = 0; i < npat && prio_pats != NULL; i++){
pat = prio_pats[i];
/* simply iterate over all iface addresses that were set */
for(ifrp = ifc.ifc_req; (char*)ifrp < (char*)ifc.ifc_buf + ifc.ifc_len; ifrp ++){
/* if INET */
if(ifrp -> ifr_addr.sa_family == AF_INET){
addr = (struct sockaddr_in*)&(ifrp -> ifr_addr);
ip = std_inet_ntoa(addr -> sin_addr);
if(strncmp(ip, pat, strlen(pat)) == 0)
return inet_iface_create(&addr -> sin_addr);
}
}
}
/* by default, ignore 10.** and 127.** addresses TODO: ad-hoc */
for(ifrp = ifc.ifc_req; (char*)ifrp < (char*)ifc.ifc_buf + ifc.ifc_len; ifrp ++){
/* if INET */
if(ifrp -> ifr_addr.sa_family == AF_INET){
addr = (struct sockaddr_in*)&(ifrp -> ifr_addr);
ip = std_inet_ntoa(addr -> sin_addr);
if(strncmp("10.", ip, 3) && strncmp("127.", ip, 4))
return inet_iface_create(&addr -> sin_addr);
}
}
return NULL;
}
