#include <netinet/in_systm.h>
#include <netinet/in.h>
#include <netinet/ip.h>
+#include <netinet/tcp.h>
#ifdef HAVE_NETINET_IP_VAR_H
# include <netinet/ip_var.h>
int count;
int on = 1;
int timeout = 5;
-int initial_pause = 0;
+int initial_pause = 0, tfo = 0;
int use_ipv4 = 1;
int use_ipv6 = 1;
int debug = 0;
"\n\t-noipv6 disable ipv6"
"\n\t-oP file write PID to file"
"\n\t-t n n seconds timeout"
+ "\n\t-tfo enable TCP Fast Open"
);
exit(0);
}
while (na < argc && argv[na][0] == '-')
{
if (strcmp(argv[na], "-d") == 0) debug = 1;
+ else if (strcmp(argv[na], "-tfo") == 0) tfo = 1;
else if (strcmp(argv[na], "-t") == 0)
{
if (tmo_noerror = ((timeout = atoi(argv[++na])) < 0)) timeout = -timeout;
printf("IPv6 socket creation failed: %s\n", strerror(errno));
exit(1);
}
-
+#ifdef TCP_FASTOPEN
+ if (tfo)
+ {
+ int backlog = 5;
+ if (setsockopt(listen_socket[v6n], IPPROTO_TCP, TCP_FASTOPEN,
+ &backlog, sizeof(backlog)))
+ if (debug) printf("setsockopt TCP_FASTOPEN: %s\n", strerror(errno));
+ }
+#endif
/* If this is an IPv6 wildcard socket, set IPV6_V6ONLY if that option is
available. */
printf("IPv4 socket creation failed: %s\n", strerror(errno));
exit(1);
}
+#ifdef TCP_FASTOPEN
+ if (tfo)
+ {
+ int backlog = 5;
+ if (setsockopt(listen_socket[v4n], IPPROTO_TCP, TCP_FASTOPEN,
+ &backlog, sizeof(backlog)))
+ if (debug) printf("setsockopt TCP_FASTOPEN: %s\n", strerror(errno));
+ }
+#endif
}
}
sin6.sin6_addr = anyaddr6;
if (bind(listen_socket[i], (struct sockaddr *)&sin6, sizeof(sin6)) < 0)
{
- printf("IPv6 socket bind() failed: %s\n", strerror(errno));
+ printf("IPv6 socket bind(port %d) failed: %s\n", port, strerror(errno));
exit(1);
}
}
if (bind(listen_socket[i], (struct sockaddr *)&sin4, sizeof(sin4)) < 0)
if (listen_socket[v6n] < 0 || errno != EADDRINUSE)
{
- printf("IPv4 socket bind() failed: %s\n", strerror(errno));
+ printf("IPv4 socket bind(port %d) failed: %s\n", port, strerror(errno));
exit(1);
}
else