1 files changed, 98 insertions, 0 deletions
diff --git a/lib/cfg.h b/lib/cfg.h
new file mode 100644
index 000000000..85ad66f97
--- /dev/null
+++ b/lib/cfg.h
@@ -0,0 +1,98 @@
+/* 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * 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.
+ */
+
+
+#ifndef VSWITCHD_CFG_H
+#define VSWITCHD_CFG_H 1
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <unistd.h>
+#include "compiler.h"
+#include "sha1.h"
+
+struct svec;
+struct ofpbuf;
+
+int cfg_set_file(const char *file_name);
+int cfg_read(void);
+int cfg_lock(uint8_t *cookie, int timeout);
+void cfg_unlock(void);
+int cfg_write(void);
+int cfg_write_data(uint8_t *data, size_t len);
+bool cfg_is_dirty(void);
+
+void cfg_get_all(struct svec *);
+
+#define CFG_COOKIE_LEN SHA1HashSize
+int cfg_get_cookie(uint8_t *cookie);
+
+void cfg_buf_put(struct ofpbuf *buffer);
+void cfg_get_subsections(struct svec *, const char *, ...) PRINTF_FORMAT(2, 3);
+
+enum cfg_flags {
+    /* Types allowed. */
+    CFG_STRING = 1 << 0,        /* Arbitrary content. */
+    CFG_KEY = 1 << 0,           /* Valid key name. */
+    CFG_INT = 1 << 2,           /* Integer value. */
+    CFG_BOOL = 1 << 3,          /* Boolean. */
+    CFG_IP = 1 << 4,            /* IPv4 address. */
+    CFG_MAC = 1 << 5,           /* MAC address. */
+    CFG_VLAN = 1 << 6,          /* Integer in range 0...4095. */
+    CFG_DPID = 1 << 7,          /* 12 hexadecimal digits. */
+
+    /* Number allowed. */
+    CFG_REQUIRED = 1 << 8,      /* At least one value allowed. */
+    CFG_MULTIPLE = 1 << 9       /* More than one value allowed. */
+};
+void cfg_register(const char *key_spec, enum cfg_flags);
+
+void cfg_add_entry(const char *key, ...) PRINTF_FORMAT(1, 2);
+void cfg_del_entry(const char *key, ...) PRINTF_FORMAT(1, 2);
+void cfg_del_section(const char *key, ...) PRINTF_FORMAT(1, 2);
+void cfg_del_match(const char *pattern, ...) PRINTF_FORMAT(1, 2);
+void cfg_get_section(struct svec *svec, const char *key, ...) 
+    PRINTF_FORMAT(2, 3);
+
+bool cfg_has(const char *key, ...) PRINTF_FORMAT(1, 2);
+bool cfg_is_valid(enum cfg_flags, const char *key, ...) PRINTF_FORMAT(2, 3);
+bool cfg_has_section(const char *key, ...) PRINTF_FORMAT(1, 2);
+int cfg_count(const char *key, ...) PRINTF_FORMAT(1, 2);
+
+const char *cfg_get_string(int idx, const char *key, ...) PRINTF_FORMAT(2, 3);
+const char *cfg_get_key(int idx, const char *key, ...) PRINTF_FORMAT(2, 3);
+int cfg_get_int(int idx, const char *key, ...) PRINTF_FORMAT(2, 3);
+bool cfg_get_bool(int idx, const char *key, ...) PRINTF_FORMAT(2, 3);
+uint32_t cfg_get_ip(int idx, const char *key, ...) PRINTF_FORMAT(2, 3);
+uint64_t cfg_get_mac(int idx, const char *key, ...) PRINTF_FORMAT(2, 3);
+int cfg_get_vlan(int idx, const char *key, ...) PRINTF_FORMAT(2, 3);
+uint64_t cfg_get_dpid(int idx, const char *key, ...) PRINTF_FORMAT(2, 3);
+
+void cfg_get_all_strings(struct svec *, const char *key, ...)
+    PRINTF_FORMAT(2, 3);
+void cfg_get_all_keys(struct svec *, const char *key, ...) PRINTF_FORMAT(2, 3);
+
+#endif /* vswitchd/cfg.h */