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/*
Unix SMB/CIFS implementation.
NBT name query testing
Copyright (C) Andrew Tridgell 2005
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#include "events.h"
#include "libcli/nbt/libnbt.h"
#include "librpc/gen_ndr/ndr_nbt.h"
struct result_struct {
int num_pass;
int num_fail;
};
static void increment_handler(struct nbt_name_request *req)
{
struct result_struct *v = talloc_get_type(req->async.private, struct result_struct);
if (req->state != NBT_REQUEST_DONE) {
v->num_fail++;
} else {
v->num_pass++;
}
talloc_free(req);
}
/*
benchmark simple name queries
*/
static BOOL bench_namequery(TALLOC_CTX *mem_ctx, struct nbt_name *name, const char *address)
{
struct nbt_name_socket *nbtsock = nbt_name_socket_init(mem_ctx, NULL);
int num_sent=0;
struct result_struct *result;
struct nbt_name_query io;
struct timeval tv = timeval_current();
BOOL ret = True;
int timelimit = lp_parm_int(-1, "torture", "timelimit", 10);
io.in.name = *name;
io.in.dest_addr = address;
io.in.broadcast = False;
io.in.wins_lookup = False;
io.in.timeout = 1;
result = talloc_zero(mem_ctx, struct result_struct);
printf("Running for %d seconds\n", timelimit);
while (timeval_elapsed(&tv) < timelimit) {
while (num_sent - (result->num_pass+result->num_fail) < 10) {
struct nbt_name_request *req;
req = nbt_name_query_send(nbtsock, &io);
if (req == NULL) {
printf("Failed to setup request!\n");
ret = False;
goto failed;
}
req->async.fn = increment_handler;
req->async.private = result;
num_sent++;
if (num_sent % 1000 == 0) {
printf("%.1f queries per second (%d failures) \r",
result->num_pass / timeval_elapsed(&tv),
result->num_fail);
}
}
event_loop_once(nbtsock->event_ctx);
}
while (num_sent != (result->num_pass + result->num_fail)) {
event_loop_once(nbtsock->event_ctx);
}
printf("%.1f queries per second (%d failures) \n",
result->num_pass / timeval_elapsed(&tv),
result->num_fail);
failed:
talloc_free(nbtsock);
return ret;
}
/*
benchmark how fast a server can respond to name queries
*/
BOOL torture_bench_nbt(void)
{
const char *address;
struct nbt_name name;
TALLOC_CTX *mem_ctx = talloc_new(NULL);
NTSTATUS status;
BOOL ret = True;
name.name = lp_parm_string(-1, "torture", "host");
name.type = NBT_NAME_SERVER;
name.scope = NULL;
/* do an initial name resolution to find its IP */
status = resolve_name(&name, mem_ctx, &address);
if (!NT_STATUS_IS_OK(status)) {
printf("Failed to resolve %s - %s\n",
name.name, nt_errstr(status));
talloc_free(mem_ctx);
return False;
}
ret &= bench_namequery(mem_ctx, &name, address);
talloc_free(mem_ctx);
return ret;
}
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