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ovsdb: Add support for referential integrity in the database itself.

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This commit is contained in:
Ben Pfaff
2010-02-08 14:09:41 -08:00
parent bd76d25d8b
commit 0d0f05b909
24 changed files with 688 additions and 164 deletions
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23
lib/ovsdb-types.c
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@@ -142,6 +142,8 @@ ovsdb_base_type_init(struct ovsdb_base_type *base, enum ovsdb_atomic_type type)
break;
case OVSDB_TYPE_UUID:
base->u.uuid.refTableName = NULL;
base->u.uuid.refTable = NULL;
break;
case OVSDB_N_TYPES:
@@ -172,6 +174,9 @@ ovsdb_base_type_clone(struct ovsdb_base_type *dst,
break;
case OVSDB_TYPE_UUID:
if (dst->u.uuid.refTableName) {
dst->u.uuid.refTableName = xstrdup(dst->u.uuid.refTableName);
}
break;
case OVSDB_N_TYPES:
@@ -200,6 +205,7 @@ ovsdb_base_type_destroy(struct ovsdb_base_type *base)
break;
case OVSDB_TYPE_UUID:
free(base->u.uuid.refTableName);
break;
case OVSDB_N_TYPES:
@@ -263,7 +269,7 @@ ovsdb_base_type_has_constraints(const struct ovsdb_base_type *base)
|| base->u.string.maxLen != UINT_MAX);
case OVSDB_TYPE_UUID:
return false;
return base->u.uuid.refTableName != NULL;
case OVSDB_N_TYPES:
NOT_REACHED();
@@ -411,6 +417,17 @@ ovsdb_base_type_from_json(struct ovsdb_base_type *base,
error = ovsdb_syntax_error(json, NULL,
"minLength exceeds maxLength");
}
} else if (base->type == OVSDB_TYPE_UUID) {
const struct json *refTable;
refTable = ovsdb_parser_member(&parser, "refTable",
OP_ID | OP_OPTIONAL);
if (refTable) {
base->u.uuid.refTableName = xstrdup(refTable->u.string);
/* We can't set base->u.uuid.refTable here because we don't have
* enough context (we might not even be running in ovsdb-server).
* ovsdb_create() will set refTable later. */
}
}
if (error) {
@@ -485,6 +502,10 @@ ovsdb_base_type_to_json(const struct ovsdb_base_type *base)
break;
case OVSDB_TYPE_UUID:
if (base->u.uuid.refTableName) {
json_object_put_string(json, "refTable",
base->u.uuid.refTableName);
}
break;
case OVSDB_N_TYPES: