unsigned room_sources = 0;
unsigned num_senders = 128;
+unsigned do_listen = 1;
const static struct option longopts[] = {
{ "source-list", required_argument, NULL, 's' },
{ "destination-list", required_argument, NULL, 'd' },
{ "num-senders", required_argument, NULL, 'n' },
{ "port", required_argument, NULL, 'p' },
+ { "sender-only", no_argument, NULL, 'o' },
{ NULL, 0, NULL, 0 }
};
int option_index = 0;
for ( ;; ) {
- int c = getopt_long(argc, argv, "s:d:n:p:", longopts, &option_index);
+ int c = getopt_long(argc, argv, "s:d:n:p:o", longopts, &option_index);
switch (c) {
case 's':
read_ip_list(optarg, &sources, &num_sources, &room_sources);
case 'p':
port = atoi(optarg);
break;
+ case 'o':
+ do_listen = 0;
+ break;
case -1:
return; // end of argument list
default:
{
unsigned i;
int sock;
+ char buf[65536];
+
+ for (i = 0; i < 65536; ++i)
+ buf[i] = rand() & 0xff;
for (i = 0; i < 1000; ++i) {
unsigned src_num = (unsigned)(num_sources * gen_uniform_random());
sin.sin_family = AF_INET;
sin.sin_port = htons(port);
sin.sin_addr = destinations[dst_num];
-
+
+ fprintf(stderr, "connecting %u\n", i);
+
if (connect(sock, (struct sockaddr *)&sin, sizeof(sin)) == -1) {
perror("connect()");
exit(1);
}
+
+ fprintf(stderr, "connected\n");
+
+ while (num_bytes > 0) {
+ unsigned bytes_to_send = num_bytes;
+ unsigned ret;
- // FIXME: send data here
+ if (bytes_to_send > 65536) {
+ bytes_to_send = 65536;
+ }
+
+ ret = send(sock, buf, bytes_to_send, MSG_NOSIGNAL);
+ if (ret == -1) {
+ perror("send()");
+ exit(1);
+ }
+
+ num_bytes -= ret;
+ }
+ fprintf(stderr, "sent\n");
close(sock);
}
int sock = (int)arg;
char buf[65536];
- printf("Received worker for socket %u\n", sock);
-
for ( ;; ) {
int ret = read(sock, buf, 65536);
if (ret == 0)
// FIXME: update stats here
}
-
- printf("Socket %u done\n", sock);
if (close(sock) == -1) {
perror("close()");
fprintf(stderr, "Missing or empty source or destination host list. Aborting.\n");
}
- server_sock = get_server_socket(port);
+ if (do_listen) {
+ server_sock = get_server_socket(port);
+ }
printf("Sending data on port %u from %u sources to %u destinations.\n\n",
port, num_sources, num_destinations);
exit(1);
}
+ if (pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED) != 0) {
+ perror("pthread_attr_setdetachstate");
+ exit(1);
+ }
+
// Fire off sender workers.
for (i = 0; i < num_senders; ++i) {
pthread_t thread;
* thread for each (which will just gobble up the data until
* we're done).
*/
+ if (!do_listen) {
+ sleep(3600);
+ exit(0);
+ }
+
for ( ;; ) {
struct sockaddr_in addr;
socklen_t addr_len = sizeof(addr);