struct result_def
udp_sender_plain(
unsigned long ip,
unsigned short port,
char *buff,
int dsize,
int bsize,
int (* callback)(void))
{
struct internal_command_def command;
command.buff = buff;
command.bsize = bsize;
command.dsize = dsize;
command.ip = ip;
command.port = port;
command.callback = callback;
return(udp_sender(&command));
}
int main(int argc, char **argv)
{
int sendfd, recvfd;
const int on = 1;
socklen_t salen;
struct sockaddr *sasend, *sarecv;
int result;
int onoff = 0;
if (argc != 3) {
printf("usage: ./multicasting <IP-multicast-address> <port#> <>");
exit(1);
}
sendfd = udp_sender(argv[1], argv[2], &sasend, &salen);
recvfd = socket(sasend->sa_family, SOCK_DGRAM, 0);
assert(recvfd > 2);
// Now IP from iface
// int fd;
// struct ifreq ifr;
// fd = socket(AF_INET, SOCK_DGRAM, 0);
// /* I want to get an IPv4 IP address */
// ifr.ifr_addr.sa_family = AF_INET;
// /* I want IP address attached to "eth0" */
// strncpy(ifr.ifr_name, "enp0s25", IFNAMSIZ-1);
// ioctl(fd, SIOCGIFADDR, &ifr);
// close(fd);
/* display result */
//printf("%s\n", inet_ntoa( ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr) );
// I don't want default iface but wlo1
result = setsockopt(recvfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
assert(result >= 0);
sarecv = malloc(salen);
assert(sarecv != NULL);
memcpy(sarecv, sasend, salen);
result = bind(recvfd, sarecv, salen);
assert(result >= 0);
char *src_host = sock_ntop(sarecv);
printf("src_host = %s\n", src_host);
char *dst_host = sock_ntop(sasend);
printf("dst_host = %s\n", dst_host);
result = mcast_join(recvfd, sasend, salen);
assert(result >= 0);
result = setsockopt(sendfd, IPPROTO_IP, IP_MULTICAST_LOOP,
&onoff, sizeof(onoff));
assert(result >= 0);
// struct in_addr interface_addr;// = ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr;
// interface_addr.s_addr = htonl(IP_SRC_ADDR_ENP);
// result = setsockopt(recvfd, IPPROTO_IP, IP_MULTICAST_IF, &interface_addr, sizeof(interface_addr));
// assert(result >= 0);
if (fork() == 0)
recv_all(recvfd, salen);
send_all(sendfd, sasend, salen);
return 0;
}
int main(int argc, char *argv[])
{
struct ip_addr peer_ip; // IP address of peer
uint16_t port = 0; // Port number of the peer
ws = get_default_waitset();
// Parse args
if (argc != 5) {
printf("Usage: %s <direction> <IP> <Port> <packets * %d>\n",
argv[0], MULTIPLIER);
printf("eg (to send microbenchmark): %s 1 10.110.4.41 3000 1000\n", argv[0]);
printf("eg (to recv microbenchmark): %s 0 10.110.4.41 3000 1000\n", argv[0]);
return 1;
}
// Flag to choose between sender(1) and receiver(0)
int as_sender = atoi(argv[1]);
struct in_addr peer_ip_gen;
int ret = inet_aton(argv[2], &peer_ip_gen);
if (ret == 0) {
printf("Invalid IP addr: %s\n", argv[2]);
return 1;
} // end if : ip validation
peer_ip.addr = peer_ip_gen.s_addr;
port = atoi(argv[3]);
if (port <= 0) {
printf("Invalid port given [%s] == [%"PRIu16"]\n",
argv[3], port);
return 1;
} // end if : port validation
iterations = atoi(argv[4]);
if (iterations <= 0) {
printf("Invalid no. of iterations [%s] == [%"PRIu64"]\n",
argv[4], iterations);
return 1;
} // end if : port validation
iterations = iterations * MULTIPLIER;
if (lwip_init_auto() == false) {
printf("ERROR: lwip_init_auto failed!\n");
return 1;
}
// lwip_init("e1000");
// create pcb for connection
struct udp_pcb *upcb;
upcb = udp_new();
assert(upcb != NULL);
printf("U: #####################################\n");
printf("U: %d.%"PRIuDOMAINID": Performing [%"PRIu64"] iterations\n",
disp_get_core_id(), disp_get_domain_id(),
iterations);
#if UDP_BENCHMARK_TRACE
errval_t err = trace_control(TRACE_EVENT(TRACE_SUBSYS_BNET,
TRACE_EVENT_BNET_START, 0),
TRACE_EVENT(TRACE_SUBSYS_BNET,
TRACE_EVENT_BNET_STOP, 0), 0);
if(err_is_fail(err)) {
USER_PANIC_ERR(err, "trace_control failed");
}
printf("U: Tracing enabled!!!!\n");
// trace_event(TRACE_SUBSYS_BNET, TRACE_EVENT_BNET_START, 0);
#endif // UDP_BENCHMARK_TRACE
if(as_sender == 1) {
udp_sender(upcb, peer_ip, port);
} else {
udp_receiver(upcb, IP_ADDR_ANY, port);
} // end else:
printf("U: Init finished.\n");
while (1) {
errval_t r = event_dispatch(ws);
if (err_is_fail(r)) {
DEBUG_ERR(r, "in event_dispatch");
break;
}
}
udp_remove(upcb);
} // end function: main
