static int type_contains(jl_value_t *ty, jl_value_t *x)
{
if (ty == x) return 1;
if (jl_is_uniontype(ty))
return svec_contains((jl_svec_t*)jl_fieldref(ty,0), x);
if (jl_is_datatype(ty))
return svec_contains(((jl_datatype_t*)ty)->parameters, x);
return 0;
}
int
main(int argc, char *argv[])
{
const struct ovsdb_client_command *command;
char *database;
struct jsonrpc *rpc;
ovs_cmdl_proctitle_init(argc, argv);
set_program_name(argv[0]);
parse_options(argc, argv);
fatal_ignore_sigpipe();
daemon_become_new_user(false);
if (optind >= argc) {
ovs_fatal(0, "missing command name; use --help for help");
}
for (command = get_all_commands(); ; command++) {
if (!command->name) {
VLOG_FATAL("unknown command '%s'; use --help for help",
argv[optind]);
} else if (!strcmp(command->name, argv[optind])) {
break;
}
}
optind++;
if (command->need != NEED_NONE) {
if (argc - optind > command->min_args
&& (isalpha((unsigned char) argv[optind][0])
&& strchr(argv[optind], ':'))) {
rpc = open_jsonrpc(argv[optind++]);
} else {
char *sock = xasprintf("unix:%s/db.sock", ovs_rundir());
rpc = open_jsonrpc(sock);
free(sock);
}
} else {
rpc = NULL;
}
if (command->need == NEED_DATABASE) {
struct svec dbs;
svec_init(&dbs);
fetch_dbs(rpc, &dbs);
if (argc - optind > command->min_args
&& svec_contains(&dbs, argv[optind])) {
database = xstrdup(argv[optind++]);
} else if (dbs.n == 1) {
database = xstrdup(dbs.names[0]);
} else if (svec_contains(&dbs, "Open_vSwitch")) {
database = xstrdup("Open_vSwitch");
} else {
jsonrpc_close(rpc);
ovs_fatal(0, "no default database for `%s' command, please "
"specify a database name", command->name);
}
svec_destroy(&dbs);
} else {
database = NULL;
}
if (argc - optind < command->min_args ||
argc - optind > command->max_args) {
free(database);
VLOG_FATAL("invalid syntax for '%s' (use --help for help)",
command->name);
}
command->handler(rpc, database, argc - optind, argv + optind);
free(database);
jsonrpc_close(rpc);
if (ferror(stdout)) {
VLOG_FATAL("write to stdout failed");
}
if (ferror(stderr)) {
VLOG_FATAL("write to stderr failed");
}
return 0;
}
