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https://github.com/samba-team/samba.git
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r24768: redo the pingpong torture using sync functions to make the code simpler
This commit is contained in:
Ronnie Sahlberg
Gerald (Jerry) Carter
parent
b58677fa74
commit
b4a6a4c129
@ -2,6 +2,27 @@
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Unix SMB/CIFS implementation.
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ping pong test
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Copyright (C) Ronnie Sahlberg 2007
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Significantly based on and borrowed from lockbench.c by
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Copyright (C) Andrew Tridgell 2006
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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filename is specified by
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--option=torture:filename=...
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@ -21,26 +42,7 @@
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writing to the file can be enabled with
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--option=torture:write=True
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Copyright (C) Ronnie Sahlberg
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Significantly based on and borrowed from lockbench.c by
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Copyright (C) Andrew Tridgell 2006
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "torture/torture.h"
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#include "libcli/raw/libcliraw.h"
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@ -48,264 +50,129 @@
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#include "system/filesys.h"
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#include "libcli/libcli.h"
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#include "torture/util.h"
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#include "lib/events/events.h"
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#include "lib/cmdline/popt_common.h"
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#include "libcli/composite/composite.h"
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#include "libcli/smb_composite/smb_composite.h"
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static BOOL do_reads;
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static BOOL do_writes;
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static int lock_failed;
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enum lock_stage {LOCK_INITIAL, LOCK_LOCK, LOCK_UNLOCK};
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struct pingpong_state {
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struct event_context *ev;
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struct smbcli_tree *tree;
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TALLOC_CTX *mem_ctx;
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int fnum;
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enum lock_stage stage;
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int num_locks;
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int lock_offset;
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int unlock_offset;
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struct smbcli_request *req;
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int count;
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int lastcount;
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int lock_timeout;
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uint8_t c;
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uint8_t incr;
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uint8_t last_incr;
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uint8_t *val;
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};
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static void lock_completion(struct smbcli_request *);
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/*
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send the next lock request
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*/
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static void lock_send(struct pingpong_state *state, BOOL retry_lock)
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void lock_byte(struct smbcli_state *cli, int fd, int offset, int lock_timeout)
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{
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union smb_lock io;
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struct smb_lock_entry lock;
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NTSTATUS status;
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/* we have completed one lock/unlock pair */
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if (state->stage == LOCK_UNLOCK) {
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if ( (state->count > state->num_locks)
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&&(state->incr != state->last_incr) ) {
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state->last_incr = state->incr;
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printf("data increment = %u\n", state->incr);
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}
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}
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switch (state->stage) {
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case LOCK_INITIAL:
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io.lockx.in.ulock_cnt = 0;
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io.lockx.in.lock_cnt = 1;
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state->lock_offset = -1;
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state->unlock_offset = 0;
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lock.offset = (state->lock_offset+1)%state->num_locks;
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break;
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case LOCK_LOCK:
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io.lockx.in.ulock_cnt = 0;
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io.lockx.in.lock_cnt = 1;
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if (!retry_lock) {
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state->lock_offset = (state->lock_offset+1)%state->num_locks;
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}
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lock.offset = (state->lock_offset+1)%state->num_locks;
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break;
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case LOCK_UNLOCK:
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state->count++;
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io.lockx.in.ulock_cnt = 1;
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io.lockx.in.lock_cnt = 0;
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lock.offset = state->lock_offset;
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break;
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}
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try_again:
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ZERO_STRUCT(lock);
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io.lockx.in.ulock_cnt = 0;
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io.lockx.in.lock_cnt = 1;
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lock.count = 1;
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lock.pid = state->tree->session->pid;
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lock.offset = offset;
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lock.pid = cli->tree->session->pid;
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io.lockx.level = RAW_LOCK_LOCKX;
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io.lockx.in.mode = LOCKING_ANDX_LARGE_FILES;
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io.lockx.in.timeout = state->lock_timeout;
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io.lockx.in.timeout = lock_timeout;
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io.lockx.in.locks = &lock;
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io.lockx.in.file.fnum = state->fnum;
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io.lockx.in.file.fnum = fd;
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state->req = smb_raw_lock_send(state->tree, &io);
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if (state->req == NULL) {
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DEBUG(0,("Failed to setup lock\n"));
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lock_failed++;
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status = smb_raw_lock(cli->tree, &io);
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/* If we dont use timeouts and we got file lock conflict
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just try the lock again.
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*/
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if (lock_timeout==0) {
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if ( (NT_STATUS_EQUAL(NT_STATUS_FILE_LOCK_CONFLICT, status))
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||(NT_STATUS_EQUAL(NT_STATUS_LOCK_NOT_GRANTED, status)) ) {
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goto try_again;
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}
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}
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if (!NT_STATUS_IS_OK(status)) {
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DEBUG(0,("Lock failed\n"));
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exit(1);
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}
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state->req->async.private = state;
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state->req->async.fn = lock_completion;
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}
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/*
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called when a write completes
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*/
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static void write_completion(struct smbcli_request *req)
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void unlock_byte(struct smbcli_state *cli, int fd, int offset)
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{
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struct pingpong_state *state = (struct pingpong_state *)req->async.private;
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NTSTATUS status = smbcli_request_simple_recv(req);
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union smb_lock io;
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struct smb_lock_entry lock;
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NTSTATUS status;
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ZERO_STRUCT(lock);
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io.lockx.in.ulock_cnt = 1;
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io.lockx.in.lock_cnt = 0;
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lock.count = 1;
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lock.offset = offset;
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lock.pid = cli->tree->session->pid;
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io.lockx.level = RAW_LOCK_LOCKX;
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io.lockx.in.mode = LOCKING_ANDX_LARGE_FILES;
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io.lockx.in.timeout = 100000;
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io.lockx.in.locks = &lock;
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io.lockx.in.file.fnum = fd;
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status = smb_raw_lock(cli->tree, &io);
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if (!NT_STATUS_IS_OK(status)) {
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DEBUG(0,("Unlock failed\n"));
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exit(1);
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}
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}
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void write_byte(struct smbcli_state *cli, int fd, uint8_t c, int offset)
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{
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union smb_write io;
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NTSTATUS status;
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io.generic.level = RAW_WRITE_WRITEX;
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io.writex.in.file.fnum = fd;
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io.writex.in.offset = offset;
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io.writex.in.wmode = 0;
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io.writex.in.remaining = 0;
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io.writex.in.count = 1;
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io.writex.in.data = &c;
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status = smb_raw_write(cli->tree, &io);
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if (!NT_STATUS_IS_OK(status)) {
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printf("write failed\n");
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exit(1);
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}
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lock_send(state, False);
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}
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static void write_send(struct pingpong_state *state)
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void read_byte(struct smbcli_state *cli, int fd, uint8_t *c, int offset)
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{
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union smb_write io;
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union smb_read io;
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NTSTATUS status;
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io.generic.level = RAW_WRITE_WRITEX;
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io.writex.in.file.fnum = state->fnum;
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io.writex.in.offset = state->lock_offset;
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io.writex.in.wmode = 0;
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io.writex.in.remaining = 0;
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io.writex.in.count = 1;
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state->c = state->val[state->lock_offset]+1;
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io.writex.in.data = &state->c;
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state->req = smb_raw_write_send(state->tree, &io);
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if (state->req == NULL) {
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DEBUG(0,("Failed to setup write\n"));
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exit(1);
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}
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state->req->async.private = state;
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state->req->async.fn = write_completion;
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}
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/*
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called when a read completes
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*/
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static void read_completion(struct smbcli_request *req)
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{
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struct pingpong_state *state = (struct pingpong_state *)req->async.private;
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NTSTATUS status = smbcli_request_simple_recv(req);
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io.generic.level = RAW_READ_READX;
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io.readx.in.file.fnum = fd;
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io.readx.in.mincnt = 1;
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io.readx.in.maxcnt = 1;
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io.readx.in.offset = offset;
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io.readx.in.remaining = 0;
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io.readx.in.read_for_execute = False;
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io.readx.out.data = c;
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status = smb_raw_read(cli->tree, &io);
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if (!NT_STATUS_IS_OK(status)) {
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printf("read failed\n");
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exit(1);
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}
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state->req = NULL;
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state->incr = state->c - state->val[state->lock_offset];
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state->val[state->lock_offset] = state->c;
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/* a read just completed, now spawn off to the write handler, if
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write is enabled. othervise spawn off to the lock handler
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to proceed to unlock the previous lock
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*/
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if (do_writes) {
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write_send(state);
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return;
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}
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lock_send(state, False);
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}
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static void read_send(struct pingpong_state *state)
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static struct timeval tp1, tp2;
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static void start_timer(void)
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{
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union smb_read io;
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io.generic.level = RAW_READ_READX;
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io.readx.in.file.fnum = state->fnum;
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io.readx.in.mincnt = 1;
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io.readx.in.maxcnt = 1;
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io.readx.in.offset = state->lock_offset;
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io.readx.in.remaining = 0;
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io.readx.in.read_for_execute = False;
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io.readx.out.data = &state->c;
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state->req = smb_raw_read_send(state->tree, &io);
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if (state->req == NULL) {
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DEBUG(0,("Failed to setup read\n"));
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exit(1);
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}
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state->req->async.private = state;
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state->req->async.fn = read_completion;
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gettimeofday(&tp1, NULL);
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}
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/*
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called when a lock completes
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*/
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static void lock_completion(struct smbcli_request *req)
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static double end_timer(void)
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{
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struct pingpong_state *state = (struct pingpong_state *)req->async.private;
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NTSTATUS status = smbcli_request_simple_recv(req);
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state->req = NULL;
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/* If we dont use timeouts and we got file lock conflict
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just try the lock again.
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*/
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if (state->lock_timeout==0) {
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if ( (NT_STATUS_EQUAL(NT_STATUS_FILE_LOCK_CONFLICT, status))
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||(NT_STATUS_EQUAL(NT_STATUS_LOCK_NOT_GRANTED, status)) ) {
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lock_send(state, True);
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return;
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}
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}
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if (!NT_STATUS_IS_OK(status)) {
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lock_failed++;
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return;
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}
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switch (state->stage) {
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case LOCK_INITIAL:
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state->stage = LOCK_LOCK;
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break;
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case LOCK_LOCK:
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state->stage = LOCK_UNLOCK;
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break;
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case LOCK_UNLOCK:
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state->stage = LOCK_LOCK;
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break;
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}
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/* if we just completed a lock and we have read enabled
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then spawn off to the read handler instead of sending an unlock
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*/
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if ( (state->stage == LOCK_UNLOCK)
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&&(do_reads) ){
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read_send(state);
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return;
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}
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/* if we just completed a lock and we we didnt have reads enabled
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but we do have write enabled, thenspawn off to the write handler
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instead of sending an unlock
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*/
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if ( (state->stage == LOCK_UNLOCK)
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&&(do_writes) ){
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write_send(state);
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return;
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}
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lock_send(state, False);
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}
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static void report_rate(struct event_context *ev, struct timed_event *te,
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struct timeval t, void *private_data)
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{
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struct pingpong_state *state = talloc_get_type(private_data,
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struct pingpong_state);
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printf("%5u ", 2*(unsigned)(state->count - state->lastcount));
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state->lastcount = state->count;
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printf("\r");
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fflush(stdout);
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event_add_timed(ev, state, timeval_current_ofs(1, 0), report_rate, state);
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gettimeofday(&tp2, NULL);
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return (tp2.tv_sec + (tp2.tv_usec*1.0e-6)) -
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(tp1.tv_sec + (tp1.tv_usec*1.0e-6));
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}
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/*
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@ -314,13 +181,17 @@ static void report_rate(struct event_context *ev, struct timed_event *te,
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BOOL torture_ping_pong(struct torture_context *torture)
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{
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const char *fn;
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TALLOC_CTX *mem_ctx = talloc_new(torture);
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struct event_context *ev = event_context_find(mem_ctx);
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int timelimit = torture_setting_int(torture, "timelimit", 10);
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struct timeval tv;
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struct pingpong_state *state;
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struct smbcli_state *cli;
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int num_locks;
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TALLOC_CTX *mem_ctx = talloc_new(torture);
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static BOOL do_reads;
|
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static BOOL do_writes;
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int lock_timeout;
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int fd;
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struct smbcli_state *cli;
|
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int i;
|
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uint8_t incr=0, last_incr=0;
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uint8_t *val;
|
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int count, loops;
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|
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fn = lp_parm_string(-1, "torture", "filename");
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if (fn == NULL) {
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@ -334,44 +205,65 @@ BOOL torture_ping_pong(struct torture_context *torture)
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return false;
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}
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|
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do_reads = lp_parm_bool(-1, "torture", "read", False);
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do_writes = lp_parm_bool(-1, "torture", "write", False);
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do_reads = lp_parm_bool(-1, "torture", "read", False);
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do_writes = lp_parm_bool(-1, "torture", "write", False);
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lock_timeout = lp_parm_int(-1, "torture", "lock_timeout", 100000);
|
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|
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if (!torture_open_connection_ev(&cli, 0, ev)) {
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DEBUG(0,("Could not open connection to share\n"));
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return False;
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if (!torture_open_connection(&cli, 0)) {
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DEBUG(0,("Could not open connection\n"));
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return false;
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}
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state = talloc_zero(mem_ctx, struct pingpong_state);
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state->ev = ev;
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state->tree = cli->tree;
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state->num_locks = num_locks;
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state->lock_timeout = lp_parm_int(-1, "torture", "lock_timeout", 100000);
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state->fnum = smbcli_open(state->tree, fn, O_RDWR|O_CREAT, DENY_NONE);
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if (state->fnum == -1) {
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fd = smbcli_open(cli->tree, fn, O_RDWR|O_CREAT, DENY_NONE);
|
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if (fd == -1) {
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printf("Failed to open %s\n", fn);
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exit(1);
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}
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state->val = talloc_zero_array(state, uint8_t, state->num_locks+1);
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state->stage = LOCK_INITIAL;
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lock_send(state, False);
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tv = timeval_current();
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write_byte(cli, fd, 0, num_locks);
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lock_byte(cli, fd, 0, lock_timeout);
|
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|
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printf("Running for %d seconds\n", timelimit);
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event_add_timed(ev, state, timeval_current_ofs(1, 0), report_rate, state);
|
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while (timeval_elapsed(&tv) < timelimit) {
|
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event_loop_once(ev);
|
||||
|
||||
if (lock_failed) {
|
||||
DEBUG(0,("locking failed\n"));
|
||||
goto failed;
|
||||
start_timer();
|
||||
val = talloc_zero_array(mem_ctx, uint8_t, num_locks);
|
||||
i = 0;
|
||||
count = 0;
|
||||
loops = 0;
|
||||
while (1) {
|
||||
lock_byte(cli, fd, (i+1)%num_locks, lock_timeout);
|
||||
|
||||
if (do_reads) {
|
||||
uint8_t c;
|
||||
read_byte(cli, fd, &c, i);
|
||||
incr = c-val[i];
|
||||
val[i] = c;
|
||||
}
|
||||
|
||||
if (do_writes) {
|
||||
uint8_t c = val[i] + 1;
|
||||
write_byte(cli, fd, c, i);
|
||||
}
|
||||
|
||||
unlock_byte(cli, fd, i);
|
||||
|
||||
i = (i+1)%num_locks;
|
||||
count++;
|
||||
if (loops>num_locks && incr!=last_incr) {
|
||||
last_incr = incr;
|
||||
printf("data increment = %u\n", incr);
|
||||
fflush(stdout);
|
||||
}
|
||||
if (end_timer() > 1.0) {
|
||||
printf("%8u locks/sec\r",
|
||||
(unsigned)(2*count/end_timer()));
|
||||
fflush(stdout);
|
||||
start_timer();
|
||||
count=0;
|
||||
}
|
||||
loops++;
|
||||
}
|
||||
|
||||
|
||||
failed:
|
||||
talloc_free(mem_ctx);
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user