mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38 lines
813 B
38 lines
813 B
#include <stdio.h> |
|
#include <stdlib.h> |
|
#include <unistd.h> |
|
#include <sys/socket.h> |
|
#include <netinet/in.h> |
|
|
|
int main (int argc, char *argv[]) |
|
{ |
|
int s, len, o, port = 6666; |
|
char buf[512]; |
|
struct sockaddr_in addr; |
|
socklen_t addr_len = sizeof addr; |
|
|
|
if (argc > 1) |
|
port = atoi (argv[1]); |
|
|
|
s = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP); |
|
|
|
o = 1; |
|
len = 4; |
|
setsockopt (3, SOL_SOCKET, SO_REUSEADDR, &o, len); |
|
|
|
addr.sin_family = AF_INET; |
|
addr.sin_port = htons (port); |
|
addr.sin_addr.s_addr = INADDR_ANY; /* receive broadcasts */ |
|
|
|
bind (s, (struct sockaddr *) &addr, sizeof addr); |
|
|
|
for (;;) { |
|
len = recvfrom (s, buf, sizeof buf, 0, (struct sockaddr *) &addr, &addr_len); |
|
if (len < 0) |
|
break; |
|
if (write (1, buf, len) != len) |
|
fprintf(stderr, "WARNING: serial characters dropped\n"); |
|
} |
|
|
|
return 0; |
|
}
|
|
|