[ovs-dev] [show-log 2/2] ovsdb-tool: Make "show-log" convert raw JSON to easier-to-read syntax.
Ethan Jackson
ethan at nicira.com
Sat Oct 22 02:05:17 UTC 2011
Looks good.
Ethan
On Thu, Oct 6, 2011 at 11:30, Ben Pfaff <blp at nicira.com> wrote:
> Now output that formerly looked like ["map", [["key1", "value1"], ["key2",
> "value2"]]] is printed like {key1=value1, key2=value2}, which I find easier
> to read.
> ---
> ovsdb/ovsdb-tool.c | 48 ++++++++++++++++++++++++++++++++++++++++++------
> 1 files changed, 42 insertions(+), 6 deletions(-)
>
> diff --git a/ovsdb/ovsdb-tool.c b/ovsdb/ovsdb-tool.c
> index 501a673..015ee12 100644
> --- a/ovsdb/ovsdb-tool.c
> +++ b/ovsdb/ovsdb-tool.c
> @@ -22,13 +22,16 @@
> #include <stdlib.h>
> #include <string.h>
>
> +#include "column.h"
> #include "command-line.h"
> #include "compiler.h"
> +#include "dynamic-string.h"
> #include "file.h"
> #include "lockfile.h"
> #include "log.h"
> #include "json.h"
> #include "ovsdb.h"
> +#include "ovsdb-data.h"
> #include "ovsdb-error.h"
> #include "socket-util.h"
> #include "table.h"
> @@ -331,12 +334,14 @@ do_transact(int argc OVS_UNUSED, char *argv[])
> }
>
> static void
> -print_db_changes(struct shash *tables, struct shash *names)
> +print_db_changes(struct shash *tables, struct shash *names,
> + const struct ovsdb_schema *schema)
> {
> struct shash_node *n1;
>
> SHASH_FOR_EACH (n1, tables) {
> const char *table = n1->name;
> + struct ovsdb_table_schema *table_schema;
> struct json *rows = n1->data;
> struct shash_node *n2;
>
> @@ -344,6 +349,7 @@ print_db_changes(struct shash *tables, struct shash *names)
> continue;
> }
>
> + table_schema = shash_find_data(&schema->tables, table);
> SHASH_FOR_EACH (n2, json_object(rows)) {
> const char *row_uuid = n2->name;
> struct json *columns = n2->data;
> @@ -378,10 +384,33 @@ print_db_changes(struct shash *tables, struct shash *names)
> if (show_log_verbosity > 1) {
> SHASH_FOR_EACH (n3, json_object(columns)) {
> const char *column = n3->name;
> + const struct ovsdb_column *column_schema;
> struct json *value = n3->data;
> - char *value_string;
> -
> - value_string = json_to_string(value, JSSF_SORT);
> + char *value_string = NULL;
> +
> + column_schema =
> + (table_schema
> + ? shash_find_data(&table_schema->columns, column)
> + : NULL);
> + if (column_schema) {
> + const struct ovsdb_error *error;
> + const struct ovsdb_type *type;
> + struct ovsdb_datum datum;
> +
> + type = &column_schema->type;
> + error = ovsdb_datum_from_json(&datum, type,
> + value, NULL);
> + if (!error) {
> + struct ds s;
> +
> + ds_init(&s);
> + ovsdb_datum_to_string(&datum, type, &s);
> + value_string = ds_steal_cstr(&s);
> + }
> + }
> + if (!value_string) {
> + value_string = json_to_string(value, JSSF_SORT);
> + }
> printf("\t\t%s=%s\n", column, value_string);
> free(value_string);
> }
> @@ -420,11 +449,13 @@ do_show_log(int argc OVS_UNUSED, char *argv[])
> const char *db_file_name = argv[1];
> struct shash names;
> struct ovsdb_log *log;
> + struct ovsdb_schema *schema;
> unsigned int i;
>
> check_ovsdb_error(ovsdb_log_open(db_file_name, OVSDB_LOG_READ_ONLY,
> -1, &log));
> shash_init(&names);
> + schema = NULL;
> for (i = 0; ; i++) {
> struct json *json;
>
> @@ -434,7 +465,11 @@ do_show_log(int argc OVS_UNUSED, char *argv[])
> }
>
> printf("record %u:", i);
> - if (json->type == JSON_OBJECT) {
> + if (i == 0) {
> + check_ovsdb_error(ovsdb_schema_from_json(json, &schema));
> + printf(" \"%s\" schema, version=\"%s\", cksum=\"%s\"\n",
> + schema->name, schema->version, schema->cksum);
> + } else if (json->type == JSON_OBJECT) {
> struct json *date, *comment;
>
> date = shash_find_data(json_object(json), "_date");
> @@ -453,7 +488,7 @@ do_show_log(int argc OVS_UNUSED, char *argv[])
>
> if (i > 0 && show_log_verbosity > 0) {
> putchar('\n');
> - print_db_changes(json_object(json), &names);
> + print_db_changes(json_object(json), &names, schema);
> }
> }
> json_destroy(json);
> @@ -461,6 +496,7 @@ do_show_log(int argc OVS_UNUSED, char *argv[])
> }
>
> ovsdb_log_close(log);
> + ovsdb_schema_destroy(schema);
> /* XXX free 'names'. */
> }
>
> --
> 1.7.4.4
>
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