#include "../lib/util/tevent_ntstatus.h"
#include "../lib/util/tevent_unix.h"
-/****************************************************************************
- The buffer we keep around whilst an aio request is in process.
-*****************************************************************************/
-
-struct aio_extra {
- files_struct *fsp;
- struct smb_request *smbreq;
- DATA_BLOB outbuf;
- struct lock_struct lock;
- size_t nbyte;
- off_t offset;
- bool write_through;
-};
-
/****************************************************************************
Accessor function to return write_through state.
*****************************************************************************/
of the aio call.
*****************************************************************************/
-static struct aio_extra *create_aio_extra(TALLOC_CTX *mem_ctx,
- files_struct *fsp,
- size_t buflen)
+struct aio_extra *create_aio_extra(TALLOC_CTX *mem_ctx,
+ files_struct *fsp,
+ size_t buflen)
{
struct aio_extra *aio_ex = talloc_zero(mem_ctx, struct aio_extra);
return true;
}
-static void aio_pread_smb1_done(struct tevent_req *req);
-
-/****************************************************************************
- Set up an aio request from a SMBreadX call.
-*****************************************************************************/
-
-NTSTATUS schedule_aio_read_and_X(connection_struct *conn,
- struct smb_request *smbreq,
- files_struct *fsp, off_t startpos,
- size_t smb_maxcnt)
-{
- struct aio_extra *aio_ex;
- size_t bufsize;
- size_t min_aio_read_size = lp_aio_read_size(SNUM(conn));
- struct tevent_req *req;
- bool ok;
-
- ok = vfs_valid_pread_range(startpos, smb_maxcnt);
- if (!ok) {
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- if (fsp_is_alternate_stream(fsp)) {
- DEBUG(10, ("AIO on streams not yet supported\n"));
- return NT_STATUS_RETRY;
- }
-
- if ((!min_aio_read_size || (smb_maxcnt < min_aio_read_size))
- && !SMB_VFS_AIO_FORCE(fsp)) {
- /* Too small a read for aio request. */
- DEBUG(10,("schedule_aio_read_and_X: read size (%u) too small "
- "for minimum aio_read of %u\n",
- (unsigned int)smb_maxcnt,
- (unsigned int)min_aio_read_size ));
- return NT_STATUS_RETRY;
- }
-
- /* Only do this on non-chained and non-chaining reads */
- if (req_is_in_chain(smbreq)) {
- return NT_STATUS_RETRY;
- }
-
- /* The following is safe from integer wrap as we've already checked
- smb_maxcnt is 128k or less. Wct is 12 for read replies */
-
- bufsize = smb_size + 12 * 2 + smb_maxcnt + 1 /* padding byte */;
-
- if ((aio_ex = create_aio_extra(NULL, fsp, bufsize)) == NULL) {
- DEBUG(10,("schedule_aio_read_and_X: malloc fail.\n"));
- return NT_STATUS_NO_MEMORY;
- }
-
- construct_reply_common_req(smbreq, (char *)aio_ex->outbuf.data);
- srv_set_message((char *)aio_ex->outbuf.data, 12, 0, True);
- SCVAL(aio_ex->outbuf.data,smb_vwv0,0xFF); /* Never a chained reply. */
- SCVAL(smb_buf(aio_ex->outbuf.data), 0, 0); /* padding byte */
-
- init_strict_lock_struct(fsp,
- (uint64_t)smbreq->smbpid,
- (uint64_t)startpos,
- (uint64_t)smb_maxcnt,
- READ_LOCK,
- lp_posix_cifsu_locktype(fsp),
- &aio_ex->lock);
-
- /* Take the lock until the AIO completes. */
- if (!SMB_VFS_STRICT_LOCK_CHECK(conn, fsp, &aio_ex->lock)) {
- TALLOC_FREE(aio_ex);
- return NT_STATUS_FILE_LOCK_CONFLICT;
- }
-
- aio_ex->nbyte = smb_maxcnt;
- aio_ex->offset = startpos;
-
- req = SMB_VFS_PREAD_SEND(aio_ex, fsp->conn->sconn->ev_ctx,
- fsp,
- smb_buf(aio_ex->outbuf.data) + 1 /* pad */,
- smb_maxcnt, startpos);
- if (req == NULL) {
- DEBUG(0,("schedule_aio_read_and_X: aio_read failed. "
- "Error %s\n", strerror(errno) ));
- TALLOC_FREE(aio_ex);
- return NT_STATUS_RETRY;
- }
- tevent_req_set_callback(req, aio_pread_smb1_done, aio_ex);
-
- if (!aio_add_req_to_fsp(fsp, req)) {
- DEBUG(1, ("Could not add req to fsp\n"));
- TALLOC_FREE(aio_ex);
- return NT_STATUS_RETRY;
- }
-
- aio_ex->smbreq = talloc_move(aio_ex, &smbreq);
-
- DEBUG(10,("schedule_aio_read_and_X: scheduled aio_read for file %s, "
- "offset %.0f, len = %u (mid = %u)\n",
- fsp_str_dbg(fsp), (double)startpos, (unsigned int)smb_maxcnt,
- (unsigned int)aio_ex->smbreq->mid ));
-
- return NT_STATUS_OK;
-}
-
-static void aio_pread_smb1_done(struct tevent_req *req)
-{
- struct aio_extra *aio_ex = tevent_req_callback_data(
- req, struct aio_extra);
- files_struct *fsp = aio_ex->fsp;
- size_t outsize;
- char *outbuf = (char *)aio_ex->outbuf.data;
- ssize_t nread;
- struct vfs_aio_state vfs_aio_state;
-
- nread = SMB_VFS_PREAD_RECV(req, &vfs_aio_state);
- TALLOC_FREE(req);
-
- DEBUG(10, ("pread_recv returned %d, err = %s\n", (int)nread,
- (nread == -1) ? strerror(vfs_aio_state.error) : "no error"));
-
- if (fsp == NULL) {
- DEBUG( 3, ("aio_pread_smb1_done: file closed whilst "
- "aio outstanding (mid[%llu]).\n",
- (unsigned long long)aio_ex->smbreq->mid));
- TALLOC_FREE(aio_ex);
- return;
- }
-
- if (nread < 0) {
- DEBUG( 3, ("handle_aio_read_complete: file %s nread == %d. "
- "Error = %s\n", fsp_str_dbg(fsp), (int)nread,
- strerror(vfs_aio_state.error)));
-
- ERROR_NT(map_nt_error_from_unix(vfs_aio_state.error));
- outsize = srv_set_message(outbuf,0,0,true);
- } else {
- outsize = setup_readX_header(outbuf, nread);
-
- fh_set_pos(aio_ex->fsp->fh, aio_ex->offset + nread);
- fh_set_position_information(aio_ex->fsp->fh,
- fh_get_pos(aio_ex->fsp->fh));
-
- DEBUG( 3, ("handle_aio_read_complete file %s max=%d "
- "nread=%d\n", fsp_str_dbg(fsp),
- (int)aio_ex->nbyte, (int)nread ) );
-
- }
-
- if (outsize <= 4) {
- DBG_INFO("Invalid outsize (%zu)\n", outsize);
- TALLOC_FREE(aio_ex);
- return;
- }
- outsize -= 4;
- _smb_setlen_large(outbuf, outsize);
-
- show_msg(outbuf);
- if (!srv_send_smb(aio_ex->smbreq->xconn, outbuf,
- true, aio_ex->smbreq->seqnum+1,
- IS_CONN_ENCRYPTED(fsp->conn), NULL)) {
- exit_server_cleanly("handle_aio_read_complete: srv_send_smb "
- "failed.");
- }
-
- DEBUG(10, ("handle_aio_read_complete: scheduled aio_read completed "
- "for file %s, offset %.0f, len = %u\n",
- fsp_str_dbg(fsp), (double)aio_ex->offset,
- (unsigned int)nread));
-
- TALLOC_FREE(aio_ex);
-}
-
struct pwrite_fsync_state {
struct tevent_context *ev;
files_struct *fsp;
void smbd_init_globals(void);
+/****************************************************************************
+ The buffer we keep around whilst an aio request is in process.
+*****************************************************************************/
+
+struct aio_extra {
+ files_struct *fsp;
+ struct smb_request *smbreq;
+ DATA_BLOB outbuf;
+ struct lock_struct lock;
+ size_t nbyte;
+ off_t offset;
+ bool write_through;
+};
+
#endif /* _SOURCE3_SMBD_GLOBALS_H_ */
struct aio_extra;
bool aio_write_through_requested(struct aio_extra *aio_ex);
-NTSTATUS schedule_aio_read_and_X(connection_struct *conn,
- struct smb_request *req,
- files_struct *fsp, off_t startpos,
- size_t smb_maxcnt);
NTSTATUS schedule_aio_write_and_X(connection_struct *conn,
struct smb_request *req,
files_struct *fsp, const char *data,
bool write_through);
bool cancel_smb2_aio(struct smb_request *smbreq);
bool aio_add_req_to_fsp(files_struct *fsp, struct tevent_req *req);
+struct aio_extra *create_aio_extra(TALLOC_CTX *mem_ctx,
+ files_struct *fsp,
+ size_t buflen);
/* The following definitions come from smbd/blocking.c */
--- /dev/null
+/*
+ Unix SMB/Netbios implementation.
+ Version 3.0
+ async_io read handling using POSIX async io.
+ Copyright (C) Jeremy Allison 2005.
+
+ 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 "smbd/smbd.h"
+#include "smbd/globals.h"
+#include "../lib/util/tevent_ntstatus.h"
+#include "../lib/util/tevent_unix.h"
+
+static void aio_pread_smb1_done(struct tevent_req *req);
+
+/****************************************************************************
+ Set up an aio request from a SMBreadX call.
+*****************************************************************************/
+
+NTSTATUS schedule_aio_read_and_X(connection_struct *conn,
+ struct smb_request *smbreq,
+ files_struct *fsp, off_t startpos,
+ size_t smb_maxcnt)
+{
+ struct aio_extra *aio_ex;
+ size_t bufsize;
+ size_t min_aio_read_size = lp_aio_read_size(SNUM(conn));
+ struct tevent_req *req;
+ bool ok;
+
+ ok = vfs_valid_pread_range(startpos, smb_maxcnt);
+ if (!ok) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (fsp_is_alternate_stream(fsp)) {
+ DEBUG(10, ("AIO on streams not yet supported\n"));
+ return NT_STATUS_RETRY;
+ }
+
+ if ((!min_aio_read_size || (smb_maxcnt < min_aio_read_size))
+ && !SMB_VFS_AIO_FORCE(fsp)) {
+ /* Too small a read for aio request. */
+ DEBUG(10,("schedule_aio_read_and_X: read size (%u) too small "
+ "for minimum aio_read of %u\n",
+ (unsigned int)smb_maxcnt,
+ (unsigned int)min_aio_read_size ));
+ return NT_STATUS_RETRY;
+ }
+
+ /* Only do this on non-chained and non-chaining reads */
+ if (req_is_in_chain(smbreq)) {
+ return NT_STATUS_RETRY;
+ }
+
+ /* The following is safe from integer wrap as we've already checked
+ smb_maxcnt is 128k or less. Wct is 12 for read replies */
+
+ bufsize = smb_size + 12 * 2 + smb_maxcnt + 1 /* padding byte */;
+
+ if ((aio_ex = create_aio_extra(NULL, fsp, bufsize)) == NULL) {
+ DEBUG(10,("schedule_aio_read_and_X: malloc fail.\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ construct_reply_common_req(smbreq, (char *)aio_ex->outbuf.data);
+ srv_set_message((char *)aio_ex->outbuf.data, 12, 0, True);
+ SCVAL(aio_ex->outbuf.data,smb_vwv0,0xFF); /* Never a chained reply. */
+ SCVAL(smb_buf(aio_ex->outbuf.data), 0, 0); /* padding byte */
+
+ init_strict_lock_struct(fsp,
+ (uint64_t)smbreq->smbpid,
+ (uint64_t)startpos,
+ (uint64_t)smb_maxcnt,
+ READ_LOCK,
+ lp_posix_cifsu_locktype(fsp),
+ &aio_ex->lock);
+
+ /* Take the lock until the AIO completes. */
+ if (!SMB_VFS_STRICT_LOCK_CHECK(conn, fsp, &aio_ex->lock)) {
+ TALLOC_FREE(aio_ex);
+ return NT_STATUS_FILE_LOCK_CONFLICT;
+ }
+
+ aio_ex->nbyte = smb_maxcnt;
+ aio_ex->offset = startpos;
+
+ req = SMB_VFS_PREAD_SEND(aio_ex, fsp->conn->sconn->ev_ctx,
+ fsp,
+ smb_buf(aio_ex->outbuf.data) + 1 /* pad */,
+ smb_maxcnt, startpos);
+ if (req == NULL) {
+ DEBUG(0,("schedule_aio_read_and_X: aio_read failed. "
+ "Error %s\n", strerror(errno) ));
+ TALLOC_FREE(aio_ex);
+ return NT_STATUS_RETRY;
+ }
+ tevent_req_set_callback(req, aio_pread_smb1_done, aio_ex);
+
+ if (!aio_add_req_to_fsp(fsp, req)) {
+ DEBUG(1, ("Could not add req to fsp\n"));
+ TALLOC_FREE(aio_ex);
+ return NT_STATUS_RETRY;
+ }
+
+ aio_ex->smbreq = talloc_move(aio_ex, &smbreq);
+
+ DEBUG(10,("schedule_aio_read_and_X: scheduled aio_read for file %s, "
+ "offset %.0f, len = %u (mid = %u)\n",
+ fsp_str_dbg(fsp), (double)startpos, (unsigned int)smb_maxcnt,
+ (unsigned int)aio_ex->smbreq->mid ));
+
+ return NT_STATUS_OK;
+}
+
+static void aio_pread_smb1_done(struct tevent_req *req)
+{
+ struct aio_extra *aio_ex = tevent_req_callback_data(
+ req, struct aio_extra);
+ files_struct *fsp = aio_ex->fsp;
+ size_t outsize;
+ char *outbuf = (char *)aio_ex->outbuf.data;
+ ssize_t nread;
+ struct vfs_aio_state vfs_aio_state;
+
+ nread = SMB_VFS_PREAD_RECV(req, &vfs_aio_state);
+ TALLOC_FREE(req);
+
+ DEBUG(10, ("pread_recv returned %d, err = %s\n", (int)nread,
+ (nread == -1) ? strerror(vfs_aio_state.error) : "no error"));
+
+ if (fsp == NULL) {
+ DEBUG( 3, ("aio_pread_smb1_done: file closed whilst "
+ "aio outstanding (mid[%llu]).\n",
+ (unsigned long long)aio_ex->smbreq->mid));
+ TALLOC_FREE(aio_ex);
+ return;
+ }
+
+ if (nread < 0) {
+ DEBUG( 3, ("handle_aio_read_complete: file %s nread == %d. "
+ "Error = %s\n", fsp_str_dbg(fsp), (int)nread,
+ strerror(vfs_aio_state.error)));
+
+ ERROR_NT(map_nt_error_from_unix(vfs_aio_state.error));
+ outsize = srv_set_message(outbuf,0,0,true);
+ } else {
+ outsize = setup_readX_header(outbuf, nread);
+
+ fh_set_pos(aio_ex->fsp->fh, aio_ex->offset + nread);
+ fh_set_position_information(aio_ex->fsp->fh,
+ fh_get_pos(aio_ex->fsp->fh));
+
+ DEBUG( 3, ("handle_aio_read_complete file %s max=%d "
+ "nread=%d\n", fsp_str_dbg(fsp),
+ (int)aio_ex->nbyte, (int)nread ) );
+
+ }
+
+ if (outsize <= 4) {
+ DBG_INFO("Invalid outsize (%zu)\n", outsize);
+ TALLOC_FREE(aio_ex);
+ return;
+ }
+ outsize -= 4;
+ _smb_setlen_large(outbuf, outsize);
+
+ show_msg(outbuf);
+ if (!srv_send_smb(aio_ex->smbreq->xconn, outbuf,
+ true, aio_ex->smbreq->seqnum+1,
+ IS_CONN_ENCRYPTED(fsp->conn), NULL)) {
+ exit_server_cleanly("handle_aio_read_complete: srv_send_smb "
+ "failed.");
+ }
+
+ DEBUG(10, ("handle_aio_read_complete: scheduled aio_read completed "
+ "for file %s, offset %.0f, len = %u\n",
+ fsp_str_dbg(fsp), (double)aio_ex->offset,
+ (unsigned int)nread));
+
+ TALLOC_FREE(aio_ex);
+}
--- /dev/null
+/*
+ Unix SMB/Netbios implementation.
+ Version 3.0
+ async_io read handling using POSIX async io.
+ Copyright (C) Jeremy Allison 2005.
+
+ 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/>.
+*/
+
+NTSTATUS schedule_aio_read_and_X(connection_struct *conn,
+ struct smb_request *req,
+ files_struct *fsp, off_t startpos,
+ size_t smb_maxcnt);
#include "smbd/smb1_message.h"
#include "smbd/smb1_sesssetup.h"
#include "smbd/smb1_lanman.h"
+#include "smbd/smb1_aio.h"
#endif
struct trans_state {
smbd/smb1_sesssetup.c
smbd/smb1_lanman.c
smbd/smb1_utils.c
+ smbd/smb1_aio.c
'''
else:
SMB1_SOURCES = ''
projects / thirdparty / samba.git / commitdiff
