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/*
Unix SMB/CIFS implementation.
open benchmark
Copyright (C) Andrew Tridgell 2007
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 "torture/torture.h"
#include "libcli/raw/libcliraw.h"
#include "system/time.h"
#include "system/filesys.h"
#include "libcli/libcli.h"
#include "torture/util.h"
#include "lib/events/events.h"
#include "lib/cmdline/popt_common.h"
#define BASEDIR "\\benchopen"
static int nprocs;
static int open_failed;
static int open_retries;
static char **fnames;
struct benchopen_state {
struct smbcli_state *cli;
int fnum;
int file_num;
int count;
BOOL waiting_open, waiting_close;
union smb_open open_parms;
union smb_close close_parms;
struct smbcli_request *req_open;
struct smbcli_request *req_close;
};
static void open_completed(struct smbcli_request *req);
static void close_completed(struct smbcli_request *req);
static void next_open(struct benchopen_state *state)
{
state->count++;
state->file_num = (state->file_num+1) % (nprocs+1);
state->open_parms.ntcreatex.level = RAW_OPEN_NTCREATEX;
state->open_parms.ntcreatex.in.flags = 0;
state->open_parms.ntcreatex.in.root_fid = 0;
state->open_parms.ntcreatex.in.access_mask = SEC_RIGHTS_FILE_ALL;
state->open_parms.ntcreatex.in.file_attr = FILE_ATTRIBUTE_NORMAL;
state->open_parms.ntcreatex.in.alloc_size = 0;
state->open_parms.ntcreatex.in.share_access = 0;
state->open_parms.ntcreatex.in.open_disposition = NTCREATEX_DISP_OVERWRITE_IF;
state->open_parms.ntcreatex.in.create_options = 0;
state->open_parms.ntcreatex.in.impersonation = 0;
state->open_parms.ntcreatex.in.security_flags = 0;
state->open_parms.ntcreatex.in.fname = fnames[state->file_num];
state->req_open = smb_raw_open_send(state->cli->tree, &state->open_parms);
state->req_open->async.fn = open_completed;
state->req_open->async.private = state;
state->waiting_open = True;
if (state->fnum == -1) {
return;
}
state->close_parms.close.level = RAW_CLOSE_CLOSE;
state->close_parms.close.in.file.fnum = state->fnum;
state->close_parms.close.in.write_time = 0;
state->req_close = smb_raw_close_send(state->cli->tree, &state->close_parms);
state->req_close->async.fn = close_completed;
state->req_close->async.private = state;
state->waiting_close = True;
}
/*
called when a open completes
*/
static void open_completed(struct smbcli_request *req)
{
struct benchopen_state *state = (struct benchopen_state *)req->async.private;
TALLOC_CTX *tmp_ctx = talloc_new(state->cli);
NTSTATUS status;
status = smb_raw_open_recv(req, tmp_ctx, &state->open_parms);
talloc_free(tmp_ctx);
state->req_open = NULL;
if (NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) {
open_retries++;
state->req_open = smb_raw_open_send(state->cli->tree, &state->open_parms);
state->req_open->async.fn = open_completed;
state->req_open->async.private = state;
return;
}
if (!NT_STATUS_IS_OK(status)) {
open_failed++;
DEBUG(0,("open failed - %s\n", nt_errstr(status)));
return;
}
state->fnum = state->open_parms.ntcreatex.out.file.fnum;
state->waiting_open = False;
if (!state->waiting_close) {
next_open(state);
}
}
/*
called when a close completes
*/
static void close_completed(struct smbcli_request *req)
{
struct benchopen_state *state = (struct benchopen_state *)req->async.private;
NTSTATUS status = smbcli_request_simple_recv(req);
state->req_close = NULL;
if (!NT_STATUS_IS_OK(status)) {
open_failed++;
DEBUG(0,("close failed - %s\n", nt_errstr(status)));
return;
}
state->waiting_close = False;
if (!state->waiting_open) {
next_open(state);
}
}
/*
benchmark open calls
*/
BOOL torture_bench_open(struct torture_context *torture)
{
BOOL ret = True;
TALLOC_CTX *mem_ctx = talloc_new(torture);
int i;
int timelimit = torture_setting_int(torture, "timelimit", 10);
struct timeval tv;
struct event_context *ev = event_context_find(mem_ctx);
struct benchopen_state *state;
int total = 0, loops=0, minops=0;
nprocs = lp_parm_int(-1, "torture", "nprocs", 4);
state = talloc_zero_array(mem_ctx, struct benchopen_state, nprocs);
printf("Opening %d connections\n", nprocs);
for (i=0;i<nprocs;i++) {
if (!torture_open_connection_ev(&state[i].cli, i, ev)) {
return False;
}
talloc_steal(mem_ctx, state);
}
if (!torture_setup_dir(state[0].cli, BASEDIR)) {
goto failed;
}
fnames = talloc_array(mem_ctx, char *, nprocs+1);
for (i=0;i<nprocs+1;i++) {
fnames[i] = talloc_asprintf(fnames, "%s\\file%d.dat", BASEDIR, i);
}
for (i=0;i<nprocs;i++) {
state[i].fnum = -1;
state[i].file_num = i;
next_open(&state[i]);
}
tv = timeval_current();
printf("Running for %d seconds\n", timelimit);
while (timeval_elapsed(&tv) < timelimit) {
event_loop_once(ev);
total = 0;
for (i=0;i<nprocs;i++) {
total += state[i].count;
}
if (open_failed) {
DEBUG(0,("open failed after %d opens\n", total));
goto failed;
}
if (loops++ % 1000 != 0) continue;
if (torture_setting_bool(torture, "progress", true)) {
printf("%.2f ops/second (%d retries)\r",
total/timeval_elapsed(&tv), open_retries);
fflush(stdout);
}
}
printf("%.2f ops/second (%d retries)\n",
total/timeval_elapsed(&tv), open_retries);
minops = state[0].count;
for (i=0;i<nprocs;i++) {
printf("[%d] %u ops\n", i, state[i].count);
if (state[i].count < minops) minops = state[i].count;
}
if (minops < 0.5*total/nprocs) {
printf("Failed: unbalanced open\n");
goto failed;
}
for (i=0;i<nprocs;i++) {
talloc_free(state[i].req_open);
talloc_free(state[i].req_close);
smb_raw_exit(state[i].cli->session);
}
smbcli_deltree(state[0].cli->tree, BASEDIR);
talloc_free(mem_ctx);
return ret;
failed:
for (i=0;i<nprocs;i++) {
talloc_free(state[i].req_open);
talloc_free(state[i].req_close);
smb_raw_exit(state[i].cli->session);
}
smbcli_deltree(state[0].cli->tree, BASEDIR);
talloc_free(mem_ctx);
return False;
}
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