1 files changed, 447 insertions, 0 deletions

diff --git a/source4/torture/raw/lockbench.c b/source4/torture/raw/lockbench.c
new file mode 100644
index 0000000..f122976
--- /dev/null
+++ b/source4/torture/raw/lockbench.c
@@ -0,0 +1,447 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   locking benchmark
+
+   Copyright (C) Andrew Tridgell 2006
+   
+   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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "libcli/raw/libcliraw.h"
+#include "libcli/raw/raw_proto.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/cmdline.h"
+#include "libcli/composite/composite.h"
+#include "libcli/smb_composite/smb_composite.h"
+#include "libcli/resolve/resolve.h"
+#include "param/param.h"
+#include "torture/raw/proto.h"
+#include "libcli/smb/smbXcli_base.h"
+#include "../lib/util/util_net.h"
+
+#define BASEDIR "\\benchlock"
+#define FNAME BASEDIR "\\lock.dat"
+
+static int nprocs;
+static int lock_failed;
+static int num_connected;
+
+enum lock_stage {LOCK_INITIAL, LOCK_LOCK, LOCK_UNLOCK};
+
+struct benchlock_state {
+	struct torture_context *tctx;
+	struct tevent_context *ev;
+	struct smbcli_tree *tree;
+	TALLOC_CTX *mem_ctx;
+	int client_num;
+	int fnum;
+	enum lock_stage stage;
+	int lock_offset;
+	int unlock_offset;
+	int count;
+	int lastcount;
+	struct smbcli_request *req;
+	struct smb_composite_connect reconnect;
+	struct tevent_timer *te;
+
+	/* these are used for reconnections */
+	const char **dest_ports;
+	const char *dest_host;
+	const char *called_name;
+	const char *service_type;
+};
+
+static void lock_completion(struct smbcli_request *);
+
+/*
+  send the next lock request
+*/
+static void lock_send(struct benchlock_state *state)
+{
+	union smb_lock io;
+	struct smb_lock_entry lock;
+
+	switch (state->stage) {
+	case LOCK_INITIAL:
+		io.lockx.in.ulock_cnt = 0;
+		io.lockx.in.lock_cnt = 1;
+		state->lock_offset = 0;
+		state->unlock_offset = 0;
+		lock.offset = state->lock_offset;
+		break;
+	case LOCK_LOCK:
+		io.lockx.in.ulock_cnt = 0;
+		io.lockx.in.lock_cnt = 1;
+		state->lock_offset = (state->lock_offset+1)%(nprocs+1);
+		lock.offset = state->lock_offset;
+		break;
+	case LOCK_UNLOCK:
+		io.lockx.in.ulock_cnt = 1;
+		io.lockx.in.lock_cnt = 0;
+		lock.offset = state->unlock_offset;
+		state->unlock_offset = (state->unlock_offset+1)%(nprocs+1);
+		break;
+	}
+
+	lock.count = 1;
+	lock.pid = state->tree->session->pid;
+
+	io.lockx.level = RAW_LOCK_LOCKX;
+	io.lockx.in.mode = LOCKING_ANDX_LARGE_FILES;
+	io.lockx.in.timeout = 100000;
+	io.lockx.in.locks = &lock;
+	io.lockx.in.file.fnum = state->fnum;
+
+	state->req = smb_raw_lock_send(state->tree, &io);
+	if (state->req == NULL) {
+		DEBUG(0,("Failed to setup lock\n"));
+		lock_failed++;
+	}
+	state->req->async.private_data = state;
+	state->req->async.fn      = lock_completion;
+}
+
+static void reopen_connection(struct tevent_context *ev, struct tevent_timer *te, 
+			      struct timeval t, void *private_data);
+
+
+static void reopen_file(struct tevent_context *ev, struct tevent_timer *te, 
+				      struct timeval t, void *private_data)
+{
+	struct benchlock_state *state = (struct benchlock_state *)private_data;
+
+	/* reestablish our open file */
+	state->fnum = smbcli_open(state->tree, FNAME, O_RDWR|O_CREAT, DENY_NONE);
+	if (state->fnum == -1) {
+		printf("Failed to open %s on connection %d\n", FNAME, state->client_num);
+		exit(1);
+	}
+
+	num_connected++;
+
+	DEBUG(0,("reconnect to %s finished (%u connected)\n", state->dest_host,
+		 num_connected));
+
+	state->stage = LOCK_INITIAL;
+	lock_send(state);
+}
+
+/*
+  complete an async reconnect
+ */
+static void reopen_connection_complete(struct composite_context *ctx)
+{
+	struct benchlock_state *state = (struct benchlock_state *)ctx->async.private_data;
+	NTSTATUS status;
+	struct smb_composite_connect *io = &state->reconnect;
+
+	status = smb_composite_connect_recv(ctx, state->mem_ctx);
+	if (!NT_STATUS_IS_OK(status)) {
+		talloc_free(state->te);
+		state->te = tevent_add_timer(state->ev, state->mem_ctx,
+					    timeval_current_ofs(1,0), 
+					    reopen_connection, state);
+		return;
+	}
+
+	talloc_free(state->tree);
+	state->tree = io->out.tree;
+
+	/* do the reopen as a separate event */
+	tevent_add_timer(state->ev, state->mem_ctx, timeval_zero(), reopen_file, state);
+}
+
+	
+
+/*
+  reopen a connection
+ */
+static void reopen_connection(struct tevent_context *ev, struct tevent_timer *te, 
+			      struct timeval t, void *private_data)
+{
+	struct benchlock_state *state = (struct benchlock_state *)private_data;
+	struct composite_context *ctx;
+	struct smb_composite_connect *io = &state->reconnect;
+	char *host, *share;
+
+	state->te = NULL;
+
+	if (!torture_get_conn_index(state->client_num, state->mem_ctx, state->tctx, &host, &share)) {
+		DEBUG(0,("Can't find host/share for reconnect?!\n"));
+		exit(1);
+	}
+
+	io->in.dest_host    = state->dest_host;
+	io->in.dest_ports   = state->dest_ports;
+	io->in.gensec_settings = lpcfg_gensec_settings(state->mem_ctx, state->tctx->lp_ctx);
+	io->in.socket_options = lpcfg_socket_options(state->tctx->lp_ctx);
+	io->in.called_name  = state->called_name;
+	io->in.service      = share;
+	io->in.service_type = state->service_type;
+	io->in.credentials  = samba_cmdline_get_creds();
+	io->in.fallback_to_anonymous = false;
+	io->in.workgroup    = lpcfg_workgroup(state->tctx->lp_ctx);
+	lpcfg_smbcli_options(state->tctx->lp_ctx, &io->in.options);
+	lpcfg_smbcli_session_options(state->tctx->lp_ctx, &io->in.session_options);
+
+	/* kill off the remnants of the old connection */
+	talloc_free(state->tree);
+	state->tree = NULL;
+
+	ctx = smb_composite_connect_send(io, state->mem_ctx, 
+					 lpcfg_resolve_context(state->tctx->lp_ctx),
+					 state->ev);
+	if (ctx == NULL) {
+		DEBUG(0,("Failed to setup async reconnect\n"));
+		exit(1);
+	}
+
+	ctx->async.fn = reopen_connection_complete;
+	ctx->async.private_data = state;
+}
+
+
+/*
+  called when a lock completes
+*/
+static void lock_completion(struct smbcli_request *req)
+{
+	struct benchlock_state *state = (struct benchlock_state *)req->async.private_data;
+	NTSTATUS status = smbcli_request_simple_recv(req);
+	state->req = NULL;
+	if (!NT_STATUS_IS_OK(status)) {
+		if (NT_STATUS_EQUAL(status, NT_STATUS_END_OF_FILE) ||
+		    NT_STATUS_EQUAL(status, NT_STATUS_LOCAL_DISCONNECT) ||
+		    NT_STATUS_EQUAL(status, NT_STATUS_CONNECTION_RESET)) {
+			talloc_free(state->tree);
+			state->tree = NULL;
+			num_connected--;	
+			DEBUG(0,("reopening connection to %s\n", state->dest_host));
+			talloc_free(state->te);
+			state->te = tevent_add_timer(state->ev, state->mem_ctx,
+						    timeval_current_ofs(1,0), 
+						    reopen_connection, state);
+		} else {
+			DEBUG(0,("Lock failed - %s\n", nt_errstr(status)));
+			lock_failed++;
+		}
+		return;
+	}
+
+	switch (state->stage) {
+	case LOCK_INITIAL:
+		state->stage = LOCK_LOCK;
+		break;
+	case LOCK_LOCK:
+		state->stage = LOCK_UNLOCK;
+		break;
+	case LOCK_UNLOCK:
+		state->stage = LOCK_LOCK;
+		break;
+	}
+
+	state->count++;
+	lock_send(state);
+}
+
+
+static void echo_completion(struct smbcli_request *req)
+{
+	struct benchlock_state *state = (struct benchlock_state *)req->async.private_data;
+	NTSTATUS status = smbcli_request_simple_recv(req);
+	if (NT_STATUS_EQUAL(status, NT_STATUS_END_OF_FILE) ||
+	    NT_STATUS_EQUAL(status, NT_STATUS_LOCAL_DISCONNECT) ||
+	    NT_STATUS_EQUAL(status, NT_STATUS_CONNECTION_RESET)) {
+		talloc_free(state->tree);
+		state->tree = NULL;
+		num_connected--;	
+		DEBUG(0,("reopening connection to %s\n", state->dest_host));
+		talloc_free(state->te);
+		state->te = tevent_add_timer(state->ev, state->mem_ctx,
+					    timeval_current_ofs(1,0), 
+					    reopen_connection, state);
+	}
+}
+
+static void report_rate(struct tevent_context *ev, struct tevent_timer *te, 
+			struct timeval t, void *private_data)
+{
+	struct benchlock_state *state = talloc_get_type(private_data, 
+							struct benchlock_state);
+	int i;
+	for (i=0;i<nprocs;i++) {
+		printf("%5u ", (unsigned)(state[i].count - state[i].lastcount));
+		state[i].lastcount = state[i].count;
+	}
+	printf("\r");
+	fflush(stdout);
+	tevent_add_timer(ev, state, timeval_current_ofs(1, 0), report_rate, state);
+
+	/* send an echo on each interface to ensure it stays alive - this helps
+	   with IP takeover */
+	for (i=0;i<nprocs;i++) {
+		struct smb_echo p;
+		struct smbcli_request *req;
+
+		if (!state[i].tree) {
+			continue;
+		}
+
+		p.in.repeat_count = 1;
+		p.in.size = 0;
+		p.in.data = NULL;
+		req = smb_raw_echo_send(state[i].tree->session->transport, &p);
+		req->async.private_data = &state[i];
+		req->async.fn      = echo_completion;
+	}
+}
+
+/* 
+   benchmark locking calls
+*/
+bool torture_bench_lock(struct torture_context *torture)
+{
+	bool ret = true;
+	TALLOC_CTX *mem_ctx = talloc_new(torture);
+	int i, j;
+	int timelimit = torture_setting_int(torture, "timelimit", 10);
+	struct timeval tv;
+	struct benchlock_state *state;
+	int total = 0, minops=0;
+	struct smbcli_state *cli;
+	bool progress;
+	off_t offset;
+	int initial_locks = torture_setting_int(torture, "initial_locks", 0);
+
+	progress = torture_setting_bool(torture, "progress", true);
+
+	nprocs = torture_setting_int(torture, "nprocs", 4);
+
+	state = talloc_zero_array(mem_ctx, struct benchlock_state, nprocs);
+
+	printf("Opening %d connections\n", nprocs);
+	for (i=0;i<nprocs;i++) {
+		const struct sockaddr_storage *dest_ss;
+		char addrstr[INET6_ADDRSTRLEN];
+		const char *dest_str;
+		uint16_t dest_port;
+
+		state[i].tctx = torture;
+		state[i].mem_ctx = talloc_new(state);
+		state[i].client_num = i;
+		state[i].ev = torture->ev;
+		if (!torture_open_connection_ev(&cli, i, torture, torture->ev)) {
+			return false;
+		}
+		talloc_steal(state[i].mem_ctx, cli);
+		state[i].tree = cli->tree;
+
+		dest_ss = smbXcli_conn_remote_sockaddr(
+				state[i].tree->session->transport->conn);
+		dest_str = print_sockaddr(addrstr, sizeof(addrstr), dest_ss);
+		dest_port = get_sockaddr_port(dest_ss);
+
+		state[i].dest_host = talloc_strdup(state[i].mem_ctx, dest_str);
+		state[i].dest_ports = talloc_array(state[i].mem_ctx, 
+						   const char *, 2);
+		state[i].dest_ports[0] = talloc_asprintf(state[i].dest_ports, 
+							 "%u", dest_port);
+		state[i].dest_ports[1] = NULL;
+		state[i].called_name  = talloc_strdup(state[i].mem_ctx,
+				smbXcli_conn_remote_name(cli->tree->session->transport->conn));
+		state[i].service_type = talloc_strdup(state[i].mem_ctx, "?????");
+	}
+
+	num_connected = i;
+
+	if (!torture_setup_dir(cli, BASEDIR)) {
+		goto failed;
+	}
+
+	for (i=0;i<nprocs;i++) {
+		state[i].fnum = smbcli_open(state[i].tree, 
+					    FNAME, 
+					    O_RDWR|O_CREAT, DENY_NONE);
+		if (state[i].fnum == -1) {
+			printf("Failed to open %s on connection %d\n", FNAME, i);
+			goto failed;
+		}
+
+		/* Optionally, lock initial_locks for each proc beforehand. */
+		if (i == 0 && initial_locks > 0) {
+			printf("Initializing %d locks on each proc.\n",
+			    initial_locks);
+		}
+
+		for (j = 0; j < initial_locks; j++) {
+			offset = (0xFFFFFED8LLU * (i+2)) + j;
+			if (!NT_STATUS_IS_OK(smbcli_lock64(state[i].tree,
+			    state[i].fnum, offset, 1, 0, WRITE_LOCK))) {
+				printf("Failed initializing, lock=%d\n", j);
+				goto failed;
+			}
+		}
+
+		state[i].stage = LOCK_INITIAL;
+		lock_send(&state[i]);
+	}
+
+	tv = timeval_current();	
+
+	if (progress) {
+		tevent_add_timer(torture->ev, state, timeval_current_ofs(1, 0), report_rate, state);
+	}
+
+	printf("Running for %d seconds\n", timelimit);
+	while (timeval_elapsed(&tv) < timelimit) {
+		tevent_loop_once(torture->ev);
+
+		if (lock_failed) {
+			DEBUG(0,("locking failed\n"));
+			goto failed;
+		}
+	}
+
+	printf("%.2f ops/second\n", total/timeval_elapsed(&tv));
+	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 locking\n");
+		goto failed;
+	}
+
+	for (i=0;i<nprocs;i++) {
+		talloc_free(state[i].req);
+		smb_raw_exit(state[i].tree->session);
+	}
+
+	smbcli_deltree(state[0].tree, BASEDIR);
+	talloc_free(mem_ctx);
+	printf("\n");
+	return ret;
+
+failed:
+	smbcli_deltree(state[0].tree, BASEDIR);
+	talloc_free(mem_ctx);
+	return false;
+}