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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
commit4f5791ebd03eaec1c7da0865a383175b05102712 (patch)
tree8ce7b00f7a76baa386372422adebbe64510812d4 /source4/torture/raw/lockbench.c
parentInitial commit. (diff)
downloadsamba-4f5791ebd03eaec1c7da0865a383175b05102712.tar.xz
samba-4f5791ebd03eaec1c7da0865a383175b05102712.zip
Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--source4/torture/raw/lockbench.c447
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;
+}