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/*
* Copyright (c) 2009 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <config.h>
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include "command-line.h"
#include "compiler.h"
#include "file.h"
#include "json.h"
#include "ovsdb.h"
#include "ovsdb-error.h"
#include "table.h"
#include "timeval.h"
#include "util.h"
#include "vlog.h"
#define THIS_MODULE VLM_ovsdb_tool
static const struct command all_commands[];
static void usage(void) NO_RETURN;
static void parse_options(int argc, char *argv[]);
int
main(int argc, char *argv[])
{
set_program_name(argv[0]);
time_init();
vlog_init();
parse_options(argc, argv);
signal(SIGPIPE, SIG_IGN);
run_command(argc - optind, argv + optind, all_commands);
return 0;
}
static void
parse_options(int argc, char *argv[])
{
static struct option long_options[] = {
{"verbose", optional_argument, 0, 'v'},
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
{0, 0, 0, 0},
};
char *short_options = long_options_to_short_options(long_options);
for (;;) {
int c;
c = getopt_long(argc, argv, short_options, long_options, NULL);
if (c == -1) {
break;
}
switch (c) {
case 'h':
usage();
case 'V':
OVS_PRINT_VERSION(0, 0);
exit(EXIT_SUCCESS);
case 'v':
vlog_set_verbosity(optarg);
break;
case '?':
exit(EXIT_FAILURE);
default:
abort();
}
}
free(short_options);
}
static void
usage(void)
{
printf("%s: Open vSwitch database management utility\n"
"usage: %s [OPTIONS] COMMAND [ARG...]\n"
" create DB SCHEMA create DB with the given SCHEMA\n"
" compact DB [DST] compact DB in-place (or to DST)\n"
" extract-schema DB print DB's schema on stdout\n"
" query DB TRNS execute read-only transaction on DB\n"
" transact DB TRNS execute read/write transaction on DB\n",
program_name, program_name);
vlog_usage();
printf("\nOther options:\n"
" -h, --help display this help message\n"
" -V, --version display version information\n");
exit(EXIT_SUCCESS);
}
static struct json *
parse_json(const char *s)
{
struct json *json = json_from_string(s);
if (json->type == JSON_STRING) {
ovs_fatal(0, "\"%s\": %s", s, json->u.string);
}
return json;
}
static void
print_and_free_json(struct json *json)
{
char *string = json_to_string(json, JSSF_SORT);
json_destroy(json);
puts(string);
free(string);
}
static void
check_ovsdb_error(struct ovsdb_error *error)
{
if (error) {
ovs_fatal(0, "%s", ovsdb_error_to_string(error));
}
}
static void
do_create(int argc UNUSED, char *argv[])
{
const char *db_file_name = argv[1];
const char *schema_file_name = argv[2];
struct ovsdb_schema *schema;
struct ovsdb_file *db_file;
struct json *json;
/* Read schema from file and convert to JSON. */
check_ovsdb_error(ovsdb_schema_from_file(schema_file_name, &schema));
json = ovsdb_schema_to_json(schema);
/* Create database file. */
check_ovsdb_error(ovsdb_file_open(db_file_name, O_RDWR | O_CREAT | O_EXCL,
&db_file));
check_ovsdb_error(ovsdb_file_write(db_file, json));
check_ovsdb_error(ovsdb_file_commit(db_file));
ovsdb_file_close(db_file);
json_destroy(json);
}
static void
transact(int flags, const char *db_file_name, const char *transaction)
{
struct json *request, *result;
struct ovsdb *db;
check_ovsdb_error(ovsdb_open(db_file_name, flags, &db));
request = parse_json(transaction);
result = ovsdb_execute(db, request, 0, NULL);
json_destroy(request);
print_and_free_json(result);
ovsdb_destroy(db);
}
static void
do_query(int argc UNUSED, char *argv[])
{
transact(O_RDONLY, argv[1], argv[2]);
}
static void
do_transact(int argc UNUSED, char *argv[])
{
transact(O_RDWR, argv[1], argv[2]);
}
static void
do_help(int argc UNUSED, char *argv[] UNUSED)
{
usage();
}
static const struct command all_commands[] = {
{ "create", 2, 2, do_create },
{ "query", 2, 2, do_query },
{ "transact", 2, 2, do_transact },
{ "help", 0, INT_MAX, do_help },
{ NULL, 0, 0, NULL },
};
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