Setting tag sliver-openvswitch-2.2.90-1

[sliver-openvswitch.git] / ovsdb / column.c

diff --git a/ovsdb/column.c b/ovsdb/column.c
index 73dc9c2..26b7a0b 100644 (file)
--- a/ovsdb/column.c
+++ b/ovsdb/column.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2009 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.
@@ -20,6 +20,7 @@
 #include <stdlib.h>
 
 #include "column.h"
+#include "dynamic-string.h"
 #include "json.h"
 #include "ovsdb-error.h"
 #include "ovsdb-parser.h"
@@ -27,27 +28,36 @@
 #include "util.h"
 
 struct ovsdb_column *
-ovsdb_column_create(const char *name, const char *comment,
+ovsdb_column_create(const char *name,
                     bool mutable, bool persistent,
                     const struct ovsdb_type *type)
 {
+    /* Doesn't set the new column's 'index': the caller must do that. */
     struct ovsdb_column *column;
 
     column = xzalloc(sizeof *column);
     column->name = xstrdup(name);
-    column->comment = comment ? xstrdup(comment) : NULL;
     column->mutable = mutable;
     column->persistent = persistent;
-    column->type = *type;
+    ovsdb_type_clone(&column->type, type);
 
     return column;
 }
 
+struct ovsdb_column *
+ovsdb_column_clone(const struct ovsdb_column *old)
+{
+    /* Doesn't copy the column's 'index': the caller must do that. */
+    return ovsdb_column_create(old->name,
+                               old->mutable, old->persistent,
+                               &old->type);
+}
+
 void
 ovsdb_column_destroy(struct ovsdb_column *column)
 {
+    ovsdb_type_destroy(&column->type);
     free(column->name);
-    free(column->comment);
     free(column);
 }
 
@@ -55,7 +65,7 @@ struct ovsdb_error *
 ovsdb_column_from_json(const struct json *json, const char *name,
                        struct ovsdb_column **columnp)
 {
-    const struct json *comment, *mutable, *ephemeral, *type_json;
+    const struct json *mutable, *ephemeral, *type_json;
     struct ovsdb_error *error;
     struct ovsdb_type type;
     struct ovsdb_parser parser;
@@ -64,7 +74,6 @@ ovsdb_column_from_json(const struct json *json, const char *name,
     *columnp = NULL;
 
     ovsdb_parser_init(&parser, json, "schema for column %s", name);
-    comment = ovsdb_parser_member(&parser, "comment", OP_STRING | OP_OPTIONAL);
     mutable = ovsdb_parser_member(&parser, "mutable",
                                 OP_TRUE | OP_FALSE | OP_OPTIONAL);
     ephemeral = ovsdb_parser_member(&parser, "ephemeral",
@@ -82,9 +91,11 @@ ovsdb_column_from_json(const struct json *json, const char *name,
 
     persistent = ephemeral ? !json_boolean(ephemeral) : true;
     *columnp = ovsdb_column_create(name,
-                                   comment ? json_string(comment) : NULL,
                                    mutable ? json_boolean(mutable) : true,
                                    persistent, &type);
+
+    ovsdb_type_destroy(&type);
+
     return NULL;
 }
 
@@ -92,9 +103,6 @@ struct json *
 ovsdb_column_to_json(const struct ovsdb_column *column)
 {
     struct json *json = json_object_create();
-    if (column->comment) {
-        json_object_put_string(json, "comment", column->comment);
-    }
     if (!column->mutable) {
         json_object_put(json, "mutable", json_boolean_create(false));
     }
@@ -129,14 +137,14 @@ ovsdb_column_set_clone(struct ovsdb_column_set *new,
 
 struct ovsdb_error *
 ovsdb_column_set_from_json(const struct json *json,
-                           const struct ovsdb_table *table,
+                           const struct ovsdb_table_schema *schema,
                            struct ovsdb_column_set *set)
 {
     ovsdb_column_set_init(set);
     if (!json) {
         struct shash_node *node;
 
-        SHASH_FOR_EACH (node, &table->schema->columns) {
+        SHASH_FOR_EACH (node, &schema->columns) {
             const struct ovsdb_column *column = node->data;
             ovsdb_column_set_add(set, column);
         }
@@ -152,7 +160,7 @@ ovsdb_column_set_from_json(const struct json *json,
 
         /* XXX this is O(n**2) */
         for (i = 0; i < json->u.array.n; i++) {
-            struct ovsdb_column *column;
+            const struct ovsdb_column *column;
             const char *s;
 
             if (json->u.array.elems[i]->type != JSON_STRING) {
@@ -160,7 +168,7 @@ ovsdb_column_set_from_json(const struct json *json,
             }
 
             s = json->u.array.elems[i]->u.string;
-            column = shash_find_data(&table->schema->columns, s);
+            column = shash_find_data(&schema->columns, s);
             if (!column) {
                 error = ovsdb_syntax_error(json, NULL, "%s is not a valid "
                                            "column name", s);
@@ -196,6 +204,27 @@ ovsdb_column_set_to_json(const struct ovsdb_column_set *set)
     return json;
 }
 
+/* Returns an English string listing the contents of 'set', e.g. "columns
+ * \"a\", \"b\", and \"c\"".  The caller must free the string. */
+char *
+ovsdb_column_set_to_string(const struct ovsdb_column_set *set)
+{
+    if (!set->n_columns) {
+        return xstrdup("no columns");
+    } else {
+        struct ds s;
+        size_t i;
+
+        ds_init(&s);
+        ds_put_format(&s, "column%s ", set->n_columns > 1 ? "s" : "");
+        for (i = 0; i < set->n_columns; i++) {
+            const char *delimiter = english_list_delimiter(i, set->n_columns);
+            ds_put_format(&s, "%s\"%s\"", delimiter, set->columns[i]->name);
+        }
+        return ds_steal_cstr(&s);
+    }
+}
+
 void
 ovsdb_column_set_add(struct ovsdb_column_set *set,
                      const struct ovsdb_column *column)