#include <errno.h>
#include <getopt.h>
+#include <limits.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "command-line.h"
+#include "daemon.h"
#include "datapath.h"
#include "fault.h"
#include "openflow.h"
static void parse_options(int argc, char *argv[]);
static void usage(void) NO_RETURN;
+static const char *listen_vconn_name;
static struct datapath *dp;
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));
+ error = dp_new(&dp, dpid, rconn_new(argv[optind], 128, 60, max_backoff));
+ if (listen_vconn_name) {
+ struct vconn *listen_vconn;
+ int retval;
+
+ retval = vconn_open(listen_vconn_name, &listen_vconn);
+ if (retval && retval != EAGAIN) {
+ fatal(retval, "opening %s", listen_vconn_name);
+ }
+ if (!vconn_is_passive(listen_vconn)) {
+ fatal(0, "%s is not a passive vconn", listen_vconn_name);
+ }
+ dp_add_listen_vconn(dp, listen_vconn);
+ }
if (error) {
fatal(error, "could not create datapath");
}
fatal(error, "could not listen for vlog connections");
}
+ daemonize();
+
for (;;) {
dp_run(dp);
dp_wait(dp);
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'},
{"verbose", optional_argument, 0, 'v'},
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
-#ifdef HAVE_OPENSSL
- {"private-key", required_argument, 0, 'p'},
- {"certificate", required_argument, 0, 'c'},
- {"ca-cert", required_argument, 0, 'C'},
-#endif
+ VCONN_SSL_LONG_OPTIONS
{0, 0, 0, 0},
};
char *short_options = long_options_to_short_options(long_options);
printf("%s "VERSION" compiled "__DATE__" "__TIME__"\n", argv[0]);
exit(EXIT_SUCCESS);
+ case 'D':
+ set_detach();
+ break;
+
+ case 'P':
+ set_pidfile(optarg ? optarg : "switch.pid");
+ break;
+
case 'v':
vlog_set_verbosity(optarg);
break;
}
break;
-#ifdef HAVE_OPENSSL
- case 'p':
- vconn_ssl_set_private_key_file(optarg);
+ 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 'c':
- vconn_ssl_set_certificate_file(optarg);
+ case 'l':
+ if (listen_vconn_name) {
+ fatal(0, "-l or --listen may be only specified once");
+ }
+ listen_vconn_name = optarg;
break;
- case 'C':
- vconn_ssl_set_ca_cert_file(optarg);
- break;
-#endif
+ VCONN_SSL_OPTION_HANDLERS
case '?':
exit(EXIT_FAILURE);
"usage: %s [OPTIONS] CONTROLLER\n"
"where CONTROLLER is an active OpenFlow connection method.\n",
program_name, program_name);
- vconn_usage(true, false);
- printf("\nOptions:\n"
+ vconn_usage(true, true);
+ printf("\nConfiguration options:\n"
" -i, --interfaces=NETDEV[,NETDEV]...\n"
" 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"
+ " -D, --detach run in background as daemon\n"
+ " -P, --pidfile[=FILE] create pidfile (default: %s/switch.pid)\n"
+ " -v, --verbose=MODULE:FACILITY:LEVEL configure logging levels\n"
" -v, --verbose set maximum verbosity level\n"
" -h, --help display this help message\n"
- " -V, --version display version information\n");
+ " -V, --version display version information\n",
+ RUNDIR);
exit(EXIT_SUCCESS);
}