r22087: added a RAW-BENCH-OPEN test that can be used to stress out a clustered

implementation of a opendb backend. Use it in combination with
--unclist to tell smbtorture to connect to multiple nodes in the
cluster
(This used to be commit b4e38b1b8dbc3ce817f858f39c3f0521c9832fce)

1 files changed, 248 insertions, 0 deletions

diff --git a/source4/torture/raw/openbench.c b/source4/torture/raw/openbench.c
new file mode 100644
index 0000000000..a7f95d7c53
--- /dev/null
+++ b/source4/torture/raw/openbench.c
@@ -0,0 +1,248 @@
+/* 
+   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;
+
+		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;
+}