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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 17:20:00 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 17:20:00 +0000 |
commit | 8daa83a594a2e98f39d764422bfbdbc62c9efd44 (patch) | |
tree | 4099e8021376c7d8c05bdf8503093d80e9c7bad0 /source4/torture/raw/pingpong.c | |
parent | Initial commit. (diff) | |
download | samba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.tar.xz samba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.zip |
Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'source4/torture/raw/pingpong.c')
-rw-r--r-- | source4/torture/raw/pingpong.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/source4/torture/raw/pingpong.c b/source4/torture/raw/pingpong.c new file mode 100644 index 0000000..61f1d6b --- /dev/null +++ b/source4/torture/raw/pingpong.c @@ -0,0 +1,248 @@ +/* + Unix SMB/CIFS implementation. + + ping pong test + + Copyright (C) Ronnie Sahlberg 2007 + + Significantly based on and borrowed from lockbench.c by + 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/>. +*/ + +/* + filename is specified by + --option=torture:filename=... + + number of locks is specified by + --option=torture:num_locks=... + + locktimeout is specified in ms by + --option=torture:locktimeout=... + + default is 100 seconds + if set to 0 pingpong will instead loop trying the lock operation + over and over until it completes. + + reading from the file can be enabled with + --option=torture:read=true + + writing to the file can be enabled with + --option=torture:write=true + +*/ +#include "includes.h" +#include "system/time.h" +#include "system/filesys.h" +#include "libcli/libcli.h" +#include "torture/util.h" +#include "torture/raw/proto.h" + +static void lock_byte(struct smbcli_state *cli, int fd, int offset, int lock_timeout) +{ + union smb_lock io; + struct smb_lock_entry lock; + NTSTATUS status; + +try_again: + ZERO_STRUCT(lock); + io.lockx.in.ulock_cnt = 0; + io.lockx.in.lock_cnt = 1; + + lock.count = 1; + lock.offset = offset; + lock.pid = cli->tree->session->pid; + io.lockx.level = RAW_LOCK_LOCKX; + io.lockx.in.mode = LOCKING_ANDX_LARGE_FILES; + io.lockx.in.timeout = lock_timeout; + io.lockx.in.locks = &lock; + io.lockx.in.file.fnum = fd; + + status = smb_raw_lock(cli->tree, &io); + + /* If we don't use timeouts and we got file lock conflict + just try the lock again. + */ + if (lock_timeout==0) { + if ( (NT_STATUS_EQUAL(NT_STATUS_FILE_LOCK_CONFLICT, status)) + ||(NT_STATUS_EQUAL(NT_STATUS_LOCK_NOT_GRANTED, status)) ) { + goto try_again; + } + } + + if (!NT_STATUS_IS_OK(status)) { + DEBUG(0,("Lock failed\n")); + exit(1); + } +} + +static void unlock_byte(struct smbcli_state *cli, int fd, int offset) +{ + union smb_lock io; + struct smb_lock_entry lock; + NTSTATUS status; + + ZERO_STRUCT(lock); + io.lockx.in.ulock_cnt = 1; + io.lockx.in.lock_cnt = 0; + + lock.count = 1; + lock.offset = offset; + lock.pid = cli->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 = fd; + + status = smb_raw_lock(cli->tree, &io); + + if (!NT_STATUS_IS_OK(status)) { + DEBUG(0,("Unlock failed\n")); + exit(1); + } +} + +static void write_byte(struct smbcli_state *cli, int fd, uint8_t c, int offset) +{ + union smb_write io; + NTSTATUS status; + + io.generic.level = RAW_WRITE_WRITEX; + io.writex.in.file.fnum = fd; + io.writex.in.offset = offset; + io.writex.in.wmode = 0; + io.writex.in.remaining = 0; + io.writex.in.count = 1; + io.writex.in.data = &c; + + status = smb_raw_write(cli->tree, &io); + if (!NT_STATUS_IS_OK(status)) { + printf("write failed\n"); + exit(1); + } +} + +static void read_byte(struct smbcli_state *cli, int fd, uint8_t *c, int offset) +{ + union smb_read io; + NTSTATUS status; + + io.generic.level = RAW_READ_READX; + io.readx.in.file.fnum = fd; + io.readx.in.mincnt = 1; + io.readx.in.maxcnt = 1; + io.readx.in.offset = offset; + io.readx.in.remaining = 0; + io.readx.in.read_for_execute = false; + io.readx.out.data = c; + + status = smb_raw_read(cli->tree, &io); + if (!NT_STATUS_IS_OK(status)) { + printf("read failed\n"); + exit(1); + } +} + +/* + ping pong +*/ +bool torture_ping_pong(struct torture_context *torture) +{ + const char *fn; + int num_locks; + TALLOC_CTX *mem_ctx = talloc_new(torture); + static bool do_reads; + static bool do_writes; + int lock_timeout; + int fd; + struct smbcli_state *cli; + int i; + uint8_t incr=0, last_incr=0; + uint8_t *val; + int count, loops; + struct timeval start; + + fn = torture_setting_string(torture, "filename", NULL); + if (fn == NULL) { + DEBUG(0,("You must specify the filename using --option=torture:filename=...\n")); + return false; + } + + num_locks = torture_setting_int(torture, "num_locks", -1); + if (num_locks == -1) { + DEBUG(0,("You must specify num_locks using --option=torture:num_locks=...\n")); + return false; + } + + do_reads = torture_setting_bool(torture, "read", false); + do_writes = torture_setting_bool(torture, "write", false); + lock_timeout = torture_setting_int(torture, "lock_timeout", 100000); + + if (!torture_open_connection(&cli, torture, 0)) { + DEBUG(0,("Could not open connection\n")); + return false; + } + + fd = smbcli_open(cli->tree, fn, O_RDWR|O_CREAT, DENY_NONE); + if (fd == -1) { + printf("Failed to open %s\n", fn); + exit(1); + } + + write_byte(cli, fd, 0, num_locks); + lock_byte(cli, fd, 0, lock_timeout); + + + start = timeval_current(); + 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 (timeval_elapsed(&start) > 1.0) { + printf("%8u locks/sec\r", + (unsigned)(2*count/timeval_elapsed(&start))); + fflush(stdout); + start = timeval_current(); + count=0; + } + loops++; + } +} + |