#include <errno.h>
#include <getopt.h>
+#include <limits.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
static uint64_t dpid = UINT64_MAX;
static char *port_list;
+/* --max-backoff: Maximum interval between controller connection attempts, in
+ * seconds. */
+static int max_backoff = 15;
+
static void add_ports(struct datapath *dp, char *port_list);
int
fatal(0, "missing controller argument; use --help for usage");
}
- error = dp_new(&dp, dpid, rconn_new(argv[optind], 128, 60));
+ error = dp_new(&dp, dpid, rconn_new(argv[optind], 128, 60, max_backoff));
if (listen_vconn_name) {
struct vconn *listen_vconn;
int retval;
static void
parse_options(int argc, char *argv[])
{
+ enum {
+ OPT_MAX_BACKOFF = UCHAR_MAX + 1
+ };
+
static struct option long_options[] = {
{"interfaces", required_argument, 0, 'i'},
{"datapath-id", required_argument, 0, 'd'},
+ {"max-backoff", required_argument, 0, OPT_MAX_BACKOFF},
{"listen", required_argument, 0, 'l'},
{"detach", no_argument, 0, 'D'},
{"pidfile", optional_argument, 0, 'P'},
}
break;
+ case OPT_MAX_BACKOFF:
+ max_backoff = atoi(optarg);
+ if (max_backoff < 1) {
+ fatal(0, "--max-backoff argument must be at least 1");
+ } else if (max_backoff > 3600) {
+ max_backoff = 3600;
+ }
+ break;
+
case 'l':
if (listen_vconn_name) {
fatal(0, "-l or --listen may be only specified once");
" add specified initial switch ports\n"
" -d, --datapath-id=ID Use ID as the OpenFlow switch ID\n"
" (ID must consist of 12 hex digits)\n"
+ " --max-backoff=SECS max time between controller connection\n"
+ " attempts (default: 15 seconds)\n"
" -l, --listen=METHOD allow management connections on METHOD\n"
" (a passive OpenFlow connection method)\n"
"\nOther options:\n"