X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fcfg.c;h=225827ef5d226936191c600f6b488d8e3182261a;hb=7778bd15dacc1e410b60ff6ec2996c475a875e6e;hp=b4d1d591a74e8e6188881577dc60fb1c949e0fa5;hpb=064af42167bf4fc9aaea2702d80ce08074b889c0;p=openvswitch

diff --git a/lib/cfg.c b/lib/cfg.c
index b4d1d591..225827ef 100644
--- a/lib/cfg.c
+++ b/lib/cfg.c
@@ -1,27 +1,16 @@
 /* Copyright (c) 2008, 2009 Nicira Networks
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
  *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
  *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * In addition, as a special exception, Nicira Networks gives permission
- * to link the code of its release of vswitchd with the OpenSSL project's
- * "OpenSSL" library (or with modified versions of it that use the same
- * license as the "OpenSSL" library), and distribute the linked
- * executables.  You must obey the GNU General Public License in all
- * respects for all of the code used other than "OpenSSL".  If you modify
- * this file, you may extend this exception to your version of the file,
- * but you are not obligated to do so.  If you do not wish to do so,
- * delete this exception statement from your version.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 #include <config.h>
@@ -103,6 +92,12 @@ static bool is_type(const char *s, enum cfg_flags);
 #define CC_FILE_NAME CC_ALNUM "._-"
 #define CC_KEY CC_ALNUM "._-@$:+"
 
+void
+cfg_init(void)
+{
+    svec_terminate(&cfg);
+}
+
 /* Sets 'file_name' as the configuration file read by cfg_read().  Returns 0 on
  * success, otherwise a positive errno value if 'file_name' cannot be opened.
  *
@@ -154,22 +149,15 @@ cfg_set_file(const char *file_name)
 static int
 update_cookie(void)
 {
+    struct sha1_ctx context;
     int i;
-    SHA1Context context;
 
-    if (SHA1Reset(&context) != shaSuccess) {
-        return -1;
-    }
+    sha1_init(&context);
     for (i = 0; i < cfg.n; i++) {
-        if (SHA1Input(&context, (uint8_t *)cfg.names[i], 
-                    strlen(cfg.names[i])) != shaSuccess) {
-            return -1;
-        }
-        SHA1Input(&context, (uint8_t *)"\n", 1);
-    }
-    if (SHA1Result(&context, cfg_cookie) != shaSuccess) {
-        return -1;
+        sha1_update(&context, cfg.names[i], strlen(cfg.names[i]));
+        sha1_update(&context, "\n", 1);
     }
+    sha1_final(&context, cfg_cookie);
 
     return 0;
 }
@@ -201,6 +189,7 @@ cfg_read(void)
     file = fopen(cfg_name, "r");
     if (!file) {
         VLOG_ERR("failed to open \"%s\": %s", cfg_name, strerror(errno));
+        svec_terminate(&cfg);
         return errno;
     }
 
@@ -350,13 +339,16 @@ try_lock(int fd, bool block)
 int
 cfg_lock(uint8_t *cookie, int timeout)
 {
-    long long int start = time_msec();
+    long long int start;
     long long int elapsed = 0;
     int fd;
     uint8_t curr_cookie[CFG_COOKIE_LEN];
 
     assert(lock_fd < 0);
     COVERAGE_INC(cfg_lock);
+
+    time_refresh();
+    start = time_msec();
     for (;;) {
         int error;
 
@@ -691,6 +683,25 @@ cfg_del_match(const char *pattern_, ...)
     free(pattern);
 }
 
+/* Fills 'svec' with all of the key-value pairs that match shell glob pattern
+ * 'pattern'.  The caller must first initialize 'svec'. */
+void
+cfg_get_matches(struct svec *svec, const char *pattern_, ...)
+{
+    char *pattern;
+    char **p;
+
+    FORMAT_KEY(pattern_, pattern);
+
+    for (p = cfg.names; *p; p++) {
+        if (!fnmatch(pattern, *p, 0)) {
+            svec_add(svec, *p);
+        }
+    }
+
+    free(pattern);
+}
+
 /* Fills 'svec' with all of the key-value pairs that have sections that
  * begin with 'section'.  The caller must first initialize 'svec'. */
 void
@@ -1116,8 +1127,8 @@ find_key(const char *key)
 static bool
 parse_mac(const char *s, uint8_t mac[6])
 {
-    return sscanf(s, "%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8,
-                  &mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5]) == 6;
+    return (sscanf(s, ETH_ADDR_SCAN_FMT, ETH_ADDR_SCAN_ARGS(mac))
+            == ETH_ADDR_SCAN_COUNT);
 }
 
 static bool