X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=lib%2Fvlog.c;h=d26e61391e58f7fc3b52171f87faf1e0abfc9794;hb=e2a3d183f60b93265c095ede1379194916444822;hp=07ba5e029092456abd59371e27e945fdb25816b4;hpb=2a3e30b27d11f77a8ce8ff87d0a2c0eaa925eaff;p=openvswitch

diff --git a/lib/vlog.c b/lib/vlog.c
index 07ba5e02..d26e6139 100644
--- a/lib/vlog.c
+++ b/lib/vlog.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, 2010, 2011, 2012 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.
@@ -439,12 +439,12 @@ vlog_unixctl_set(struct unixctl_conn *conn, int argc, const char *argv[],
     for (i = 1; i < argc; i++) {
         char *msg = vlog_set_levels_from_string(argv[i]);
         if (msg) {
-            unixctl_command_reply(conn, 501, msg);
+            unixctl_command_reply_error(conn, msg);
             free(msg);
             return;
         }
     }
-    unixctl_command_reply(conn, 202, NULL);
+    unixctl_command_reply(conn, NULL);
 }
 
 static void
@@ -452,7 +452,7 @@ vlog_unixctl_list(struct unixctl_conn *conn, int argc OVS_UNUSED,
                   const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED)
 {
     char *msg = vlog_get_levels();
-    unixctl_command_reply(conn, 200, msg);
+    unixctl_command_reply(conn, msg);
     free(msg);
 }
 
@@ -463,12 +463,12 @@ vlog_unixctl_reopen(struct unixctl_conn *conn, int argc OVS_UNUSED,
     if (log_file_name) {
         int error = vlog_reopen_log_file();
         if (error) {
-            unixctl_command_reply(conn, 503, strerror(errno));
+            unixctl_command_reply_error(conn, strerror(errno));
         } else {
-            unixctl_command_reply(conn, 202, NULL);
+            unixctl_command_reply(conn, NULL);
         }
     } else {
-        unixctl_command_reply(conn, 403, "Logging to file not configured");
+        unixctl_command_reply_error(conn, "Logging to file not configured");
     }
 }
 
@@ -477,6 +477,7 @@ vlog_unixctl_reopen(struct unixctl_conn *conn, int argc OVS_UNUSED,
 void
 vlog_init(void)
 {
+    static char *program_name_copy;
     time_t now;
 
     if (vlog_inited) {
@@ -484,15 +485,21 @@ vlog_init(void)
     }
     vlog_inited = true;
 
-    openlog(program_name, LOG_NDELAY, LOG_DAEMON);
+    /* openlog() is allowed to keep the pointer passed in, without making a
+     * copy.  The daemonize code sometimes frees and replaces 'program_name',
+     * so make a private copy just for openlog().  (We keep a pointer to the
+     * private copy to suppress memory leak warnings in case openlog() does
+     * make its own copy.) */
+    program_name_copy = program_name ? xstrdup(program_name) : NULL;
+    openlog(program_name_copy, LOG_NDELAY, LOG_DAEMON);
 
     now = time_wall();
     if (now < 0) {
         struct tm tm;
         char s[128];
 
-        localtime_r(&now, &tm);
-        strftime(s, sizeof s, "%a, %d %b %Y %H:%M:%S %z", &tm);
+        gmtime_r(&now, &tm);
+        strftime(s, sizeof s, "%a, %d %b %Y %H:%M:%S", &tm);
         VLOG_ERR("current time is negative: %s (%ld)", s, (long int) now);
     }
 
@@ -762,28 +769,15 @@ vlog_should_drop(const struct vlog_module *module, enum vlog_level level,
         return true;
     }
 
-    if (rl->tokens < VLOG_MSG_TOKENS) {
+    if (!token_bucket_withdraw(&rl->token_bucket, VLOG_MSG_TOKENS)) {
         time_t now = time_now();
-        if (rl->last_fill > now) {
-            /* Last filled in the future?  Time must have gone backward, or
-             * 'rl' has not been used before. */
-            rl->tokens = rl->burst;
-        } else if (rl->last_fill < now) {
-            unsigned int add = sat_mul(rl->rate, now - rl->last_fill);
-            unsigned int tokens = sat_add(rl->tokens, add);
-            rl->tokens = MIN(tokens, rl->burst);
-            rl->last_fill = now;
-        }
-        if (rl->tokens < VLOG_MSG_TOKENS) {
-            if (!rl->n_dropped) {
-                rl->first_dropped = now;
-            }
-            rl->last_dropped = now;
-            rl->n_dropped++;
-            return true;
+        if (!rl->n_dropped) {
+            rl->first_dropped = now;
         }
+        rl->last_dropped = now;
+        rl->n_dropped++;
+        return true;
     }
-    rl->tokens -= VLOG_MSG_TOKENS;
 
     if (rl->n_dropped) {
         time_t now = time_now();