* derivatives without specific, written prior permission.
*/
+#include <config.h>
#include <errno.h>
#include <getopt.h>
+#include <limits.h>
+#include <signal.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "queue.h"
#include "util.h"
#include "rconn.h"
+#include "timeval.h"
#include "vconn.h"
#include "vconn-ssl.h"
#include "vlog-socket.h"
#define THIS_MODULE VLM_switch
#include "vlog.h"
+
+/* Strings to describe the manufacturer, hardware, and software. This data
+ * is queriable through the switch description stats message. */
+char mfr_desc[DESC_STR_LEN] = "Nicira Networks";
+char hw_desc[DESC_STR_LEN] = "Reference User-Space Switch";
+char sw_desc[DESC_STR_LEN] = VERSION;
+char serial_num[SERIAL_NUM_LEN] = "None";
+
static void parse_options(int argc, char *argv[]);
static void usage(void) NO_RETURN;
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
main(int argc, char *argv[])
{
+ struct rconn *rconn;
int error;
set_program_name(argv[0]);
register_fault_handlers();
+ time_init();
vlog_init();
parse_options(argc, argv);
+ signal(SIGPIPE, SIG_IGN);
if (argc - optind != 1) {
- fatal(0, "missing controller argument; use --help for usage");
+ ofp_fatal(0, "missing controller argument; use --help for usage");
}
- error = dp_new(&dp, dpid, rconn_new(argv[optind], 128, 60));
+ rconn = rconn_create(60, max_backoff);
+ error = rconn_connect(rconn, argv[optind]);
+ if (error == EAFNOSUPPORT) {
+ ofp_fatal(0, "no support for %s vconn", argv[optind]);
+ }
+ error = dp_new(&dp, dpid, rconn);
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);
+ ofp_fatal(retval, "opening %s", listen_vconn_name);
}
if (!vconn_is_passive(listen_vconn)) {
- fatal(0, "%s is not a passive vconn", listen_vconn_name);
+ ofp_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");
+ ofp_fatal(error, "could not create datapath");
}
if (port_list) {
add_ports(dp, port_list);
error = vlog_server_listen(NULL, NULL);
if (error) {
- fatal(error, "could not listen for vlog connections");
+ ofp_fatal(error, "could not listen for vlog connections");
}
+ die_if_already_running();
daemonize();
for (;;) {
port = strtok_r(NULL, ",,", &save_ptr)) {
int error = dp_add_port(dp, port);
if (error) {
- fatal(error, "failed to add port %s", port);
+ ofp_fatal(error, "failed to add port %s", port);
}
}
}
static void
parse_options(int argc, char *argv[])
{
+ enum {
+ OPT_MAX_BACKOFF = UCHAR_MAX + 1,
+ OPT_MFR_DESC,
+ OPT_HW_DESC,
+ OPT_SW_DESC,
+ OPT_SERIAL_NUM
+ };
+
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'},
+ {"force", no_argument, 0, 'f'},
{"verbose", optional_argument, 0, 'v'},
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
+ {"mfr-desc", required_argument, 0, OPT_MFR_DESC},
+ {"hw-desc", required_argument, 0, OPT_HW_DESC},
+ {"sw-desc", required_argument, 0, OPT_SW_DESC},
+ {"serial_num", required_argument, 0, OPT_SERIAL_NUM},
VCONN_SSL_LONG_OPTIONS
{0, 0, 0, 0},
};
case 'd':
if (strlen(optarg) != 12
|| strspn(optarg, "0123456789abcdefABCDEF") != 12) {
- fatal(0, "argument to -d or --datapath-id must be "
- "exactly 12 hex digits");
+ ofp_fatal(0, "argument to -d or --datapath-id must be "
+ "exactly 12 hex digits");
}
dpid = strtoll(optarg, NULL, 16);
if (!dpid) {
- fatal(0, "argument to -d or --datapath-id must be nonzero");
+ ofp_fatal(0, "argument to -d or --datapath-id must "
+ "be nonzero");
}
break;
break;
case 'P':
- set_pidfile(optarg ? optarg : "switch.pid");
+ set_pidfile(optarg);
+ break;
+
+ case 'f':
+ ignore_existing_pidfile();
break;
case 'v':
}
break;
+ case OPT_MAX_BACKOFF:
+ max_backoff = atoi(optarg);
+ if (max_backoff < 1) {
+ ofp_fatal(0, "--max-backoff argument must be at least 1");
+ } else if (max_backoff > 3600) {
+ max_backoff = 3600;
+ }
+ break;
+
+ case OPT_MFR_DESC:
+ strncpy(mfr_desc, optarg, sizeof mfr_desc);
+ break;
+
+ case OPT_HW_DESC:
+ strncpy(hw_desc, optarg, sizeof hw_desc);
+ break;
+
+ case OPT_SW_DESC:
+ strncpy(sw_desc, optarg, sizeof sw_desc);
+ break;
+
+ case OPT_SERIAL_NUM:
+ strncpy(serial_num, optarg, sizeof serial_num);
+ break;
+
case 'l':
if (listen_vconn_name) {
- fatal(0, "-l or --listen may be only specified once");
+ ofp_fatal(0, "-l or --listen may be only specified once");
}
listen_vconn_name = optarg;
break;
" 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"
+ " -f, --force with -P, start even if already running\n"
+ " -v, --verbose=MODULE[:FACILITY[:LEVEL]] set logging levels\n"
" -v, --verbose set maximum verbosity level\n"
" -h, --help display this help message\n"
" -V, --version display version information\n",