Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with
or
.
Download ZIP
tree: 40f0707cd9
Fetching contributors…

Cannot retrieve contributors at this time

305 lines (254 sloc) 8.181 kb
/* Copyright (c) 2009, 2010 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 "ovsdb.h"
#include <errno.h>
#include <getopt.h>
#include <signal.h>
#include <unistd.h>
#include "column.h"
#include "command-line.h"
#include "daemon.h"
#include "file.h"
#include "json.h"
#include "jsonrpc.h"
#include "jsonrpc-server.h"
#include "leak-checker.h"
#include "list.h"
#include "ovsdb-data.h"
#include "ovsdb-types.h"
#include "ovsdb-error.h"
#include "poll-loop.h"
#include "process.h"
#include "row.h"
#include "stream-ssl.h"
#include "stream.h"
#include "svec.h"
#include "table.h"
#include "timeval.h"
#include "trigger.h"
#include "util.h"
#include "unixctl.h"
#include "vlog.h"
#define THIS_MODULE VLM_ovsdb_server
static unixctl_cb_func ovsdb_server_exit;
static void parse_options(int argc, char *argv[], char **file_namep,
struct shash *remotes, char **unixctl_pathp);
static void usage(void) NO_RETURN;
static void set_remotes(struct ovsdb_jsonrpc_server *jsonrpc,
const struct ovsdb *db, struct shash *remotes);
int
main(int argc, char *argv[])
{
char *unixctl_path = NULL;
struct unixctl_server *unixctl;
struct ovsdb_jsonrpc_server *jsonrpc;
struct shash remotes;
struct ovsdb_error *error;
struct ovsdb *db;
char *file_name;
bool exiting;
int retval;
proctitle_init(argc, argv);
set_program_name(argv[0]);
time_init();
vlog_init();
signal(SIGPIPE, SIG_IGN);
process_init();
parse_options(argc, argv, &file_name, &remotes, &unixctl_path);
die_if_already_running();
daemonize_start();
error = ovsdb_file_open(file_name, false, &db);
if (error) {
ovs_fatal(0, "%s", ovsdb_error_to_string(error));
}
jsonrpc = ovsdb_jsonrpc_server_create(db);
set_remotes(jsonrpc, db, &remotes);
retval = unixctl_server_create(unixctl_path, &unixctl);
if (retval) {
exit(EXIT_FAILURE);
}
daemonize_complete();
unixctl_command_register("exit", ovsdb_server_exit, &exiting);
exiting = false;
while (!exiting) {
set_remotes(jsonrpc, db, &remotes);
ovsdb_jsonrpc_server_run(jsonrpc);
unixctl_server_run(unixctl);
ovsdb_trigger_run(db, time_msec());
ovsdb_jsonrpc_server_wait(jsonrpc);
unixctl_server_wait(unixctl);
ovsdb_trigger_wait(db, time_msec());
poll_block();
}
return 0;
}
static void
query_db_remotes(const char *name_, const struct ovsdb *db,
struct shash *remotes)
{
char *name, *db_prefix, *table_name, *column_name;
const struct ovsdb_column *column;
const struct ovsdb_table *table;
const struct ovsdb_row *row;
char *save_ptr = NULL;
name = xstrdup(name_);
db_prefix = strtok_r(name, ":", &save_ptr);
table_name = strtok_r(NULL, ",", &save_ptr);
column_name = strtok_r(NULL, ",", &save_ptr);
if (!table_name || !column_name) {
ovs_fatal(0, "remote \"%s\": invalid syntax", name_);
}
table = ovsdb_get_table(db, table_name);
if (!table) {
ovs_fatal(0, "remote \"%s\": no table named %s", name_, table_name);
}
column = ovsdb_table_schema_get_column(table->schema, column_name);
if (!column) {
ovs_fatal(0, "remote \"%s\": table \"%s\" has no column \"%s\"",
name_, table_name, column_name);
}
if (column->type.key_type != OVSDB_TYPE_STRING
|| column->type.value_type != OVSDB_TYPE_VOID) {
ovs_fatal(0, "remote \"%s\": type of table \"%s\" column \"%s\" is "
"not string or set of strings",
name_, table_name, column_name);
}
HMAP_FOR_EACH (row, struct ovsdb_row, hmap_node, &table->rows) {
const struct ovsdb_datum *datum;
size_t i;
datum = &row->fields[column->index];
for (i = 0; i < datum->n; i++) {
shash_add_once(remotes, datum->keys[i].string, NULL);
}
}
free(name);
}
static void
set_remotes(struct ovsdb_jsonrpc_server *jsonrpc,
const struct ovsdb *db, struct shash *remotes)
{
struct shash resolved_remotes;
struct shash_node *node;
shash_init(&resolved_remotes);
SHASH_FOR_EACH (node, remotes) {
const char *name = node->name;
if (!strncmp(name, "db:", 3)) {
query_db_remotes(name, db, &resolved_remotes);
} else {
shash_add_once(&resolved_remotes, name, NULL);
}
}
ovsdb_jsonrpc_server_set_remotes(jsonrpc, &resolved_remotes);
shash_destroy(&resolved_remotes);
}
static void
ovsdb_server_exit(struct unixctl_conn *conn, const char *args UNUSED,
void *exiting_)
{
bool *exiting = exiting_;
*exiting = true;
unixctl_command_reply(conn, 200, NULL);
}
static void
parse_options(int argc, char *argv[], char **file_namep,
struct shash *remotes, char **unixctl_pathp)
{
enum {
OPT_DUMMY = UCHAR_MAX + 1,
OPT_REMOTE,
OPT_UNIXCTL,
OPT_BOOTSTRAP_CA_CERT,
VLOG_OPTION_ENUMS,
LEAK_CHECKER_OPTION_ENUMS
};
static struct option long_options[] = {
{"remote", required_argument, 0, OPT_REMOTE},
{"unixctl", required_argument, 0, OPT_UNIXCTL},
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
DAEMON_LONG_OPTIONS,
VLOG_LONG_OPTIONS,
LEAK_CHECKER_LONG_OPTIONS,
#ifdef HAVE_OPENSSL
{"bootstrap-ca-cert", required_argument, 0, OPT_BOOTSTRAP_CA_CERT},
STREAM_SSL_LONG_OPTIONS
#endif
{0, 0, 0, 0},
};
char *short_options = long_options_to_short_options(long_options);
shash_init(remotes);
for (;;) {
int c;
c = getopt_long(argc, argv, short_options, long_options, NULL);
if (c == -1) {
break;
}
switch (c) {
case OPT_REMOTE:
shash_add_once(remotes, optarg, NULL);
break;
case OPT_UNIXCTL:
*unixctl_pathp = optarg;
break;
case 'h':
usage();
case 'V':
OVS_PRINT_VERSION(0, 0);
exit(EXIT_SUCCESS);
VLOG_OPTION_HANDLERS
DAEMON_OPTION_HANDLERS
LEAK_CHECKER_OPTION_HANDLERS
#ifdef HAVE_OPENSSL
STREAM_SSL_OPTION_HANDLERS
case OPT_BOOTSTRAP_CA_CERT:
stream_ssl_set_ca_cert_file(optarg, true);
break;
#endif
case '?':
exit(EXIT_FAILURE);
default:
abort();
}
}
free(short_options);
argc -= optind;
argv += optind;
if (argc > 1) {
ovs_fatal(0, "database file is only non-option argument; "
"use --help for usage");
} else if (argc < 1) {
ovs_fatal(0, "missing database file argument; use --help for usage");
}
*file_namep = argv[0];
}
static void
usage(void)
{
printf("%s: Open vSwitch database server\n"
"usage: %s [OPTIONS] DATABASE\n"
"where DATABASE is a database file in ovsdb format.\n",
program_name, program_name);
printf("\nJSON-RPC options (may be specified any number of times):\n"
" --remote=REMOTE connect or listen to REMOTE\n");
stream_usage("JSON-RPC", true, true, true);
daemon_usage();
vlog_usage();
printf("\nOther options:\n"
" -h, --help display this help message\n"
" -V, --version display version information\n");
leak_checker_usage();
exit(EXIT_SUCCESS);
}
Jump to Line
Something went wrong with that request. Please try again.