X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=vswitchd%2Fovs-vswitchd.c;h=875da6985fd6cfdd903424e532db5ba5e70bbff3;hb=9ed3ba29b36ab99b75d6519660f58d6f5f9bd190;hp=d591e951e6aa4b475ad7130e9e231a93b6d933ff;hpb=b2fda3effc787f265b5ad5dfa967ac00627bd075;p=openvswitch

diff --git a/vswitchd/ovs-vswitchd.c b/vswitchd/ovs-vswitchd.c
index d591e951..875da698 100644
--- a/vswitchd/ovs-vswitchd.c
+++ b/vswitchd/ovs-vswitchd.c
@@ -30,6 +30,7 @@
 #include "command-line.h"
 #include "compiler.h"
 #include "daemon.h"
+#include "dirs.h"
 #include "dummy.h"
 #include "leak-checker.h"
 #include "netdev.h"
@@ -52,7 +53,7 @@ VLOG_DEFINE_THIS_MODULE(vswitchd);
 
 static unixctl_cb_func ovs_vswitchd_exit;
 
-static const char *parse_options(int argc, char *argv[]);
+static char *parse_options(int argc, char *argv[]);
 static void usage(void) NO_RETURN;
 
 int
@@ -60,7 +61,7 @@ main(int argc, char *argv[])
 {
     struct unixctl_server *unixctl;
     struct signal *sighup;
-    const char *remote;
+    char *remote;
     bool exiting;
     int retval;
 
@@ -82,6 +83,8 @@ main(int argc, char *argv[])
     unixctl_command_register("exit", ovs_vswitchd_exit, &exiting);
 
     bridge_init(remote);
+    free(remote);
+
     exiting = false;
     while (!exiting) {
         if (signal_poll(sighup)) {
@@ -102,11 +105,12 @@ main(int argc, char *argv[])
     }
     bridge_exit();
     unixctl_server_destroy(unixctl);
+    signal_unregister(sighup);
 
     return 0;
 }
 
-static const char *
+static char *
 parse_options(int argc, char *argv[])
 {
     enum {
@@ -142,12 +146,11 @@ parse_options(int argc, char *argv[])
         }
 
         switch (c) {
-        case 'H':
         case 'h':
             usage();
 
         case 'V':
-            OVS_PRINT_VERSION(OFP_VERSION, OFP_VERSION);
+            ovs_print_version(OFP_VERSION, OFP_VERSION);
             exit(EXIT_SUCCESS);
 
         case OPT_MLOCKALL:
@@ -189,21 +192,27 @@ parse_options(int argc, char *argv[])
     argc -= optind;
     argv += optind;
 
-    if (argc != 1) {
-        VLOG_FATAL("database socket is only non-option argument; "
+    switch (argc) {
+    case 0:
+        return xasprintf("unix:%s/db.sock", ovs_rundir());
+
+    case 1:
+        return xstrdup(argv[0]);
+
+    default:
+        VLOG_FATAL("at most one non-option argument accepted; "
                    "use --help for usage");
     }
-
-    return argv[0];
 }
 
 static void
 usage(void)
 {
     printf("%s: Open vSwitch daemon\n"
-           "usage: %s [OPTIONS] DATABASE\n"
-           "where DATABASE is a socket on which ovsdb-server is listening.\n",
-           program_name, program_name);
+           "usage: %s [OPTIONS] [DATABASE]\n"
+           "where DATABASE is a socket on which ovsdb-server is listening\n"
+           "      (default: \"unix:%s/db.sock\").\n",
+           program_name, program_name, ovs_rundir());
     stream_usage("DATABASE", true, false, true);
     daemon_usage();
     vlog_usage();