Setting tag sliver-openvswitch-2.2.90-1

[sliver-openvswitch.git] / lib / ovsdb-types.h

diff --git a/lib/ovsdb-types.h b/lib/ovsdb-types.h
index 0eca931..efd83a7 100644 (file)
--- a/lib/ovsdb-types.h
+++ b/lib/ovsdb-types.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2009, 2010 Nicira Networks
+/* Copyright (c) 2009, 2010, 2011 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,10 +22,6 @@
 #include "compiler.h"
 #include "uuid.h"
 
-#ifdef HAVE_PCRE
-#include <pcre.h>
-#endif
-
 struct json;
 
 /* An atomic type: one that OVSDB regards as a single unit of data. */
@@ -48,8 +44,18 @@ struct json *ovsdb_atomic_type_to_json(enum ovsdb_atomic_type);
 \f
 /* An atomic type plus optional constraints. */
 
+enum ovsdb_ref_type {
+    OVSDB_REF_STRONG,           /* Target must exist. */
+    OVSDB_REF_WEAK              /* Delete reference if target disappears. */
+};
+
 struct ovsdb_base_type {
     enum ovsdb_atomic_type type;
+
+    /* If nonnull, a datum with keys of type 'type' that expresses all the
+     * valid values for this base_type. */
+    struct ovsdb_datum *enum_;
+
     union {
         struct ovsdb_integer_constraints {
             int64_t min;        /* minInteger or INT64_MIN. */
@@ -64,11 +70,6 @@ struct ovsdb_base_type {
         /* No constraints for Boolean types. */
 
         struct ovsdb_string_constraints {
-#ifdef HAVE_PCRE
-            pcre *re;           /* Compiled regular expression. */
-#endif
-            char *reMatch;      /* reMatch or NULL. */
-            char *reComment;    /* reComment or NULL. */
             unsigned int minLen; /* minLength or 0. */
             unsigned int maxLen; /* maxLength or UINT_MAX. */
         } string;
@@ -76,6 +77,7 @@ struct ovsdb_base_type {
         struct ovsdb_uuid_constraints {
             char *refTableName; /* Name of referenced table, or NULL. */
             struct ovsdb_table *refTable; /* Referenced table, if available. */
+            enum ovsdb_ref_type refType;  /* Reference type. */
         } uuid;
     } u;
 };
@@ -86,17 +88,10 @@ struct ovsdb_base_type {
 #define OVSDB_BASE_REAL_INIT    { .type = OVSDB_TYPE_REAL,          \
                                   .u.real = { -DBL_MAX, DBL_MAX } }
 #define OVSDB_BASE_BOOLEAN_INIT { .type = OVSDB_TYPE_BOOLEAN }
-#ifdef HAVE_PCRE
-#define OVSDB_BASE_STRING_INIT  { .type = OVSDB_TYPE_STRING,        \
-                                  .u.string = { NULL, NULL, NULL,   \
-                                                0, UINT_MAX } }
-#else
 #define OVSDB_BASE_STRING_INIT  { .type = OVSDB_TYPE_STRING,    \
-                                  .u.string = { NULL, NULL,     \
-                                                0, UINT_MAX } }
-#endif
+                                  .u.string = { 0, UINT_MAX } }
 #define OVSDB_BASE_UUID_INIT    { .type = OVSDB_TYPE_UUID,      \
-                                  .u.uuid = { NULL, NULL } }
+                                  .u.uuid = { NULL, NULL, 0 } }
 
 void ovsdb_base_type_init(struct ovsdb_base_type *, enum ovsdb_atomic_type);
 void ovsdb_base_type_clone(struct ovsdb_base_type *,
@@ -106,15 +101,17 @@ void ovsdb_base_type_destroy(struct ovsdb_base_type *);
 bool ovsdb_base_type_is_valid(const struct ovsdb_base_type *);
 bool ovsdb_base_type_has_constraints(const struct ovsdb_base_type *);
 void ovsdb_base_type_clear_constraints(struct ovsdb_base_type *);
-struct ovsdb_error *ovsdb_base_type_set_regex(struct ovsdb_base_type *,
-                                              const char *reMatch,
-                                              const char *reComment)
-    WARN_UNUSED_RESULT;
+const struct ovsdb_type *ovsdb_base_type_get_enum_type(enum ovsdb_atomic_type);
 
 struct ovsdb_error *ovsdb_base_type_from_json(struct ovsdb_base_type *,
                                               const struct json *)
     WARN_UNUSED_RESULT;
 struct json *ovsdb_base_type_to_json(const struct ovsdb_base_type *);
+
+static inline bool ovsdb_base_type_is_ref(const struct ovsdb_base_type *);
+static inline bool ovsdb_base_type_is_strong_ref(
+    const struct ovsdb_base_type *);
+static inline bool ovsdb_base_type_is_weak_ref(const struct ovsdb_base_type *);
 \f
 /* An OVSDB type.
  *
@@ -171,7 +168,27 @@ struct json *ovsdb_type_to_json(const struct ovsdb_type *);
 static inline bool
 ovsdb_atomic_type_is_valid(enum ovsdb_atomic_type atomic_type)
 {
-    return atomic_type >= 0 && atomic_type < OVSDB_N_TYPES;
+    return (int) atomic_type >= 0 && atomic_type < OVSDB_N_TYPES;
+}
+
+static inline bool
+ovsdb_base_type_is_ref(const struct ovsdb_base_type *base)
+{
+    return base->type == OVSDB_TYPE_UUID && base->u.uuid.refTableName;
+}
+
+static inline bool
+ovsdb_base_type_is_strong_ref(const struct ovsdb_base_type *base)
+{
+    return (ovsdb_base_type_is_ref(base)
+            && base->u.uuid.refType == OVSDB_REF_STRONG);
+}
+
+static inline bool
+ovsdb_base_type_is_weak_ref(const struct ovsdb_base_type *base)
+{
+    return (ovsdb_base_type_is_ref(base)
+            && base->u.uuid.refType == OVSDB_REF_WEAK);
 }
 
 static inline bool ovsdb_type_is_scalar(const struct ovsdb_type *type)