X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=vswitchd%2Fovs-vswitchd.c;h=84e5ad113302ea3e2573d1a06dcd43f4174521ab;hb=df778240e1e311f7eba9dfda4f5f8bf0f915ae5f;hp=2a86972657af4636dd53757a5ca0a2c1ebd6344d;hpb=0e15264f96e3caff662c7998cc739a3dd5c1c0f2;p=openvswitch

diff --git a/vswitchd/ovs-vswitchd.c b/vswitchd/ovs-vswitchd.c
index 2a869726..84e5ad11 100644
--- a/vswitchd/ovs-vswitchd.c
+++ b/vswitchd/ovs-vswitchd.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks
+/* Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -34,12 +34,14 @@
 #include "dpif.h"
 #include "dummy.h"
 #include "leak-checker.h"
+#include "memory.h"
 #include "netdev.h"
 #include "openflow/openflow.h"
 #include "ovsdb-idl.h"
 #include "poll-loop.h"
 #include "process.h"
 #include "signals.h"
+#include "simap.h"
 #include "stream-ssl.h"
 #include "stream.h"
 #include "stress.h"
@@ -49,18 +51,24 @@
 #include "util.h"
 #include "vconn.h"
 #include "vlog.h"
-#include "vswitchd/vswitch-idl.h"
+#include "lib/vswitch-idl.h"
+#include "worker.h"
 
 VLOG_DEFINE_THIS_MODULE(vswitchd);
 
+/* --mlockall: If set, locks all process memory into physical RAM, preventing
+ * the kernel from paging any of its memory to disk. */
+static bool want_mlockall;
+
 static unixctl_cb_func ovs_vswitchd_exit;
 
-static char *parse_options(int argc, char *argv[]);
+static char *parse_options(int argc, char *argv[], char **unixctl_path);
 static void usage(void) NO_RETURN;
 
 int
 main(int argc, char *argv[])
 {
+    char *unixctl_path = NULL;
     struct unixctl_server *unixctl;
     struct signal *sighup;
     char *remote;
@@ -70,7 +78,7 @@ main(int argc, char *argv[])
     proctitle_init(argc, argv);
     set_program_name(argv[0]);
     stress_init_command();
-    remote = parse_options(argc, argv);
+    remote = parse_options(argc, argv, &unixctl_path);
     signal(SIGPIPE, SIG_IGN);
     sighup = signal_register(SIGHUP);
     process_init();
@@ -78,7 +86,19 @@ main(int argc, char *argv[])
 
     daemonize_start();
 
-    retval = unixctl_server_create(NULL, &unixctl);
+    if (want_mlockall) {
+#ifdef HAVE_MLOCKALL
+        if (mlockall(MCL_CURRENT | MCL_FUTURE)) {
+            VLOG_ERR("mlockall failed: %s", strerror(errno));
+        }
+#else
+        VLOG_ERR("mlockall not supported on this system");
+#endif
+    }
+
+    worker_start();
+
+    retval = unixctl_server_create(unixctl_path, &unixctl);
     if (retval) {
         exit(EXIT_FAILURE);
     }
@@ -89,16 +109,28 @@ main(int argc, char *argv[])
 
     exiting = false;
     while (!exiting) {
+        worker_run();
         if (signal_poll(sighup)) {
             vlog_reopen_log_file();
         }
+        memory_run();
+        if (memory_should_report()) {
+            struct simap usage;
+
+            simap_init(&usage);
+            bridge_get_memory_usage(&usage);
+            memory_report(&usage);
+            simap_destroy(&usage);
+        }
         bridge_run_fast();
         bridge_run();
         bridge_run_fast();
         unixctl_server_run(unixctl);
         netdev_run();
 
+        worker_wait();
         signal_wait(sighup);
+        memory_wait();
         bridge_wait();
         unixctl_server_wait(unixctl);
         netdev_wait();
@@ -115,11 +147,12 @@ main(int argc, char *argv[])
 }
 
 static char *
-parse_options(int argc, char *argv[])
+parse_options(int argc, char *argv[], char **unixctl_pathp)
 {
     enum {
         OPT_PEER_CA_CERT = UCHAR_MAX + 1,
         OPT_MLOCKALL,
+        OPT_UNIXCTL,
         VLOG_OPTION_ENUMS,
         LEAK_CHECKER_OPTION_ENUMS,
         OPT_BOOTSTRAP_CA_CERT,
@@ -131,13 +164,14 @@ parse_options(int argc, char *argv[])
         {"help",        no_argument, NULL, 'h'},
         {"version",     no_argument, NULL, 'V'},
         {"mlockall",    no_argument, NULL, OPT_MLOCKALL},
+        {"unixctl",     required_argument, NULL, OPT_UNIXCTL},
         DAEMON_LONG_OPTIONS,
         VLOG_LONG_OPTIONS,
         LEAK_CHECKER_LONG_OPTIONS,
         STREAM_SSL_LONG_OPTIONS,
         {"peer-ca-cert", required_argument, NULL, OPT_PEER_CA_CERT},
         {"bootstrap-ca-cert", required_argument, NULL, OPT_BOOTSTRAP_CA_CERT},
-        {"enable-dummy", no_argument, NULL, OPT_ENABLE_DUMMY},
+        {"enable-dummy", optional_argument, NULL, OPT_ENABLE_DUMMY},
         {"disable-system", no_argument, NULL, OPT_DISABLE_SYSTEM},
         {NULL, 0, NULL, 0},
     };
@@ -156,17 +190,15 @@ parse_options(int argc, char *argv[])
             usage();
 
         case 'V':
-            ovs_print_version(OFP_VERSION, OFP_VERSION);
+            ovs_print_version(OFP10_VERSION, OFP10_VERSION);
             exit(EXIT_SUCCESS);
 
         case OPT_MLOCKALL:
-#ifdef HAVE_MLOCKALL
-            if (mlockall(MCL_CURRENT | MCL_FUTURE)) {
-                VLOG_ERR("mlockall failed: %s", strerror(errno));
-            }
-#else
-            VLOG_ERR("mlockall not supported on this system");
-#endif
+            want_mlockall = true;
+            break;
+
+        case OPT_UNIXCTL:
+            *unixctl_pathp = optarg;
             break;
 
         VLOG_OPTION_HANDLERS
@@ -183,7 +215,7 @@ parse_options(int argc, char *argv[])
             break;
 
         case OPT_ENABLE_DUMMY:
-            dummy_enable();
+            dummy_enable(optarg && !strcmp(optarg, "override"));
             break;
 
         case OPT_DISABLE_SYSTEM:
@@ -227,6 +259,7 @@ usage(void)
     daemon_usage();
     vlog_usage();
     printf("\nOther options:\n"
+           "  --unixctl=SOCKET        override default control socket name\n"
            "  -h, --help              display this help message\n"
            "  -V, --version           display version information\n");
     leak_checker_usage();
@@ -239,5 +272,5 @@ ovs_vswitchd_exit(struct unixctl_conn *conn, int argc OVS_UNUSED,
 {
     bool *exiting = exiting_;
     *exiting = true;
-    unixctl_command_reply(conn, 200, NULL);
+    unixctl_command_reply(conn, NULL);
 }