#include "ntvfs/common/ntvfs_common.h"
#include "cluster/cluster.h"
#include "param/param.h"
+#include "ntvfs/sysdep/sys_lease.h"
struct odb_context {
struct tdb_wrap *w;
struct ntvfs_context *ntvfs_ctx;
bool oplocks;
+ struct sys_lease_context *lease_ctx;
};
/*
struct odb_context *odb;
TDB_DATA key;
+ struct opendb_file file;
+
struct {
struct opendb_entry *e;
bool attrs_only;
} can_open;
};
+static NTSTATUS odb_oplock_break_send(struct messaging_context *msg_ctx,
+ struct opendb_entry *e,
+ uint8_t level);
+
/*
Open up the openfiles.tdb database. Close it down using
talloc_free(). We need the messaging_ctx to allow for pending open
odb->ntvfs_ctx = ntvfs_ctx;
- /* leave oplocks disabled by default until the code is working */
- odb->oplocks = lp_parm_bool(ntvfs_ctx->lp_ctx, NULL, "opendb", "oplocks", false);
+ odb->oplocks = share_bool_option(ntvfs_ctx->ctx->config, SHARE_OPLOCKS, SHARE_OPLOCKS_DEFAULT);
+
+ odb->lease_ctx = sys_lease_context_create(ntvfs_ctx->config, odb,
+ ntvfs_ctx->event_ctx,
+ ntvfs_ctx->msg_ctx,
+ odb_oplock_break_send);
return odb;
}
return 0;
}
+static NTSTATUS odb_pull_record(struct odb_lock *lck, struct opendb_file *file);
+
/*
get a lock on a entry in the odb. This call returns a lock handle,
which the caller should unlock using talloc_free().
struct odb_context *odb, DATA_BLOB *file_key)
{
struct odb_lock *lck;
+ NTSTATUS status;
lck = talloc(mem_ctx, struct odb_lock);
if (lck == NULL) {
ZERO_STRUCT(lck->can_open);
talloc_set_destructor(lck, odb_lock_destructor);
+
+ status = odb_pull_record(lck, &lck->file);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
+ /* initialise a blank structure */
+ ZERO_STRUCT(lck->file);
+ } else if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(lck);
+ return NULL;
+ }
return lck;
}
*/
static NTSTATUS odb_tdb_open_file(struct odb_lock *lck,
void *file_handle, const char *path,
- bool allow_level_II_oplock,
+ int *fd, bool allow_level_II_oplock,
uint32_t oplock_level, uint32_t *oplock_granted)
{
struct odb_context *odb = lck->odb;
- struct opendb_file file;
- NTSTATUS status;
if (!lck->can_open.e) {
return NT_STATUS_INTERNAL_ERROR;
oplock_level = OPLOCK_NONE;
}
- status = odb_pull_record(lck, &file);
- if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
- /* initialise a blank structure */
- ZERO_STRUCT(file);
- file.path = path;
- } else {
- NT_STATUS_NOT_OK_RETURN(status);
+ if (lck->file.path == NULL) {
+ lck->file.path = talloc_strdup(lck, path);
+ NT_STATUS_HAVE_NO_MEMORY(lck->file.path);
}
/*
if (lck->can_open.attrs_only) {
oplock_level = OPLOCK_NONE;
} else if (oplock_level == OPLOCK_EXCLUSIVE) {
- if (file.num_entries == 0) {
+ if (lck->file.num_entries == 0) {
oplock_level = OPLOCK_EXCLUSIVE;
} else if (allow_level_II_oplock) {
oplock_level = OPLOCK_LEVEL_II;
oplock_level = OPLOCK_NONE;
}
} else if (oplock_level == OPLOCK_BATCH) {
- if (file.num_entries == 0) {
+ if (lck->file.num_entries == 0) {
oplock_level = OPLOCK_BATCH;
} else if (allow_level_II_oplock) {
oplock_level = OPLOCK_LEVEL_II;
oplock_level = OPLOCK_NONE;
}
+ lck->can_open.e->file_handle = file_handle;
+ lck->can_open.e->fd = fd;
+ lck->can_open.e->allow_level_II_oplock = allow_level_II_oplock;
+ lck->can_open.e->oplock_level = oplock_level;
+
+ if (odb->lease_ctx && fd) {
+ NTSTATUS status;
+ status = sys_lease_setup(odb->lease_ctx, lck->can_open.e);
+ NT_STATUS_NOT_OK_RETURN(status);
+ }
+
if (oplock_granted) {
- if (oplock_level == OPLOCK_EXCLUSIVE) {
+ if (lck->can_open.e->oplock_level == OPLOCK_EXCLUSIVE) {
*oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
- } else if (oplock_level == OPLOCK_BATCH) {
+ } else if (lck->can_open.e->oplock_level == OPLOCK_BATCH) {
*oplock_granted = BATCH_OPLOCK_RETURN;
- } else if (oplock_level == OPLOCK_LEVEL_II) {
+ } else if (lck->can_open.e->oplock_level == OPLOCK_LEVEL_II) {
*oplock_granted = LEVEL_II_OPLOCK_RETURN;
} else {
*oplock_granted = NO_OPLOCK_RETURN;
}
}
- lck->can_open.e->file_handle = file_handle;
- lck->can_open.e->allow_level_II_oplock = allow_level_II_oplock;
- lck->can_open.e->oplock_level = oplock_level;
-
/* it doesn't conflict, so add it to the end */
- file.entries = talloc_realloc(lck, file.entries, struct opendb_entry,
- file.num_entries+1);
- NT_STATUS_HAVE_NO_MEMORY(file.entries);
+ lck->file.entries = talloc_realloc(lck, lck->file.entries,
+ struct opendb_entry,
+ lck->file.num_entries+1);
+ NT_STATUS_HAVE_NO_MEMORY(lck->file.entries);
+
+ lck->file.entries[lck->file.num_entries] = *lck->can_open.e;
+ lck->file.num_entries++;
- file.entries[file.num_entries] = *lck->can_open.e;
- file.num_entries++;
+ talloc_free(lck->can_open.e);
+ lck->can_open.e = NULL;
- return odb_push_record(lck, &file);
+ return odb_push_record(lck, &lck->file);
}
static NTSTATUS odb_tdb_open_file_pending(struct odb_lock *lck, void *private)
{
struct odb_context *odb = lck->odb;
- struct opendb_file file;
- NTSTATUS status;
-
- status = odb_pull_record(lck, &file);
- NT_STATUS_NOT_OK_RETURN(status);
- file.pending = talloc_realloc(lck, file.pending, struct opendb_pending,
- file.num_pending+1);
- NT_STATUS_HAVE_NO_MEMORY(file.pending);
+ if (lck->file.path == NULL) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+
+ lck->file.pending = talloc_realloc(lck, lck->file.pending,
+ struct opendb_pending,
+ lck->file.num_pending+1);
+ NT_STATUS_HAVE_NO_MEMORY(lck->file.pending);
- file.pending[file.num_pending].server = odb->ntvfs_ctx->server_id;
- file.pending[file.num_pending].notify_ptr = private;
+ lck->file.pending[lck->file.num_pending].server = odb->ntvfs_ctx->server_id;
+ lck->file.pending[lck->file.num_pending].notify_ptr = private;
- file.num_pending++;
+ lck->file.num_pending++;
- return odb_push_record(lck, &file);
+ return odb_push_record(lck, &lck->file);
}
const char **_delete_path)
{
struct odb_context *odb = lck->odb;
- struct opendb_file file;
const char *delete_path = NULL;
int i;
- NTSTATUS status;
- status = odb_pull_record(lck, &file);
- NT_STATUS_NOT_OK_RETURN(status);
+ if (lck->file.path == NULL) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
/* find the entry, and delete it */
- for (i=0;i<file.num_entries;i++) {
- if (file_handle == file.entries[i].file_handle &&
- cluster_id_equal(&odb->ntvfs_ctx->server_id, &file.entries[i].server)) {
- if (file.entries[i].delete_on_close) {
- file.delete_on_close = true;
+ for (i=0;i<lck->file.num_entries;i++) {
+ if (file_handle == lck->file.entries[i].file_handle &&
+ cluster_id_equal(&odb->ntvfs_ctx->server_id, &lck->file.entries[i].server)) {
+ if (lck->file.entries[i].delete_on_close) {
+ lck->file.delete_on_close = true;
+ }
+ if (odb->lease_ctx && lck->file.entries[i].fd) {
+ NTSTATUS status;
+ status = sys_lease_remove(odb->lease_ctx, &lck->file.entries[i]);
+ NT_STATUS_NOT_OK_RETURN(status);
}
- if (i < file.num_entries-1) {
- memmove(file.entries+i, file.entries+i+1,
- (file.num_entries - (i+1)) *
+ if (i < lck->file.num_entries-1) {
+ memmove(lck->file.entries+i, lck->file.entries+i+1,
+ (lck->file.num_entries - (i+1)) *
sizeof(struct opendb_entry));
}
break;
}
}
- if (i == file.num_entries) {
+ if (i == lck->file.num_entries) {
return NT_STATUS_UNSUCCESSFUL;
}
/* send any pending notifications, removing them once sent */
- for (i=0;i<file.num_pending;i++) {
- messaging_send_ptr(odb->ntvfs_ctx->msg_ctx, file.pending[i].server,
- MSG_PVFS_RETRY_OPEN,
- file.pending[i].notify_ptr);
+ for (i=0;i<lck->file.num_pending;i++) {
+ messaging_send_ptr(odb->ntvfs_ctx->msg_ctx,
+ lck->file.pending[i].server,
+ MSG_PVFS_RETRY_OPEN,
+ lck->file.pending[i].notify_ptr);
}
- file.num_pending = 0;
+ lck->file.num_pending = 0;
- file.num_entries--;
+ lck->file.num_entries--;
- if (file.num_entries == 0 && file.delete_on_close) {
- delete_path = talloc_strdup(lck, file.path);
- NT_STATUS_HAVE_NO_MEMORY(delete_path);
+ if (lck->file.num_entries == 0 && lck->file.delete_on_close) {
+ delete_path = lck->file.path;
}
if (_delete_path) {
*_delete_path = delete_path;
}
- return odb_push_record(lck, &file);
+ return odb_push_record(lck, &lck->file);
}
/*
uint32_t oplock_level)
{
struct odb_context *odb = lck->odb;
- struct opendb_file file;
int i;
- NTSTATUS status;
- status = odb_pull_record(lck, &file);
- NT_STATUS_NOT_OK_RETURN(status);
+ if (lck->file.path == NULL) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
/* find the entry, and update it */
- for (i=0;i<file.num_entries;i++) {
- if (file_handle == file.entries[i].file_handle &&
- cluster_id_equal(&odb->ntvfs_ctx->server_id, &file.entries[i].server)) {
- file.entries[i].oplock_level = oplock_level;
+ for (i=0;i<lck->file.num_entries;i++) {
+ if (file_handle == lck->file.entries[i].file_handle &&
+ cluster_id_equal(&odb->ntvfs_ctx->server_id, &lck->file.entries[i].server)) {
+ lck->file.entries[i].oplock_level = oplock_level;
+
+ if (odb->lease_ctx && lck->file.entries[i].fd) {
+ NTSTATUS status;
+ status = sys_lease_update(odb->lease_ctx, &lck->file.entries[i]);
+ NT_STATUS_NOT_OK_RETURN(status);
+ }
+
break;
}
}
- if (i == file.num_entries) {
+ if (i == lck->file.num_entries) {
return NT_STATUS_UNSUCCESSFUL;
}
/* send any pending notifications, removing them once sent */
- for (i=0;i<file.num_pending;i++) {
+ for (i=0;i<lck->file.num_pending;i++) {
messaging_send_ptr(odb->ntvfs_ctx->msg_ctx,
- file.pending[i].server,
+ lck->file.pending[i].server,
MSG_PVFS_RETRY_OPEN,
- file.pending[i].notify_ptr);
+ lck->file.pending[i].notify_ptr);
}
- file.num_pending = 0;
+ lck->file.num_pending = 0;
- return odb_push_record(lck, &file);
+ return odb_push_record(lck, &lck->file);
}
/*
static NTSTATUS odb_tdb_break_oplocks(struct odb_lock *lck)
{
struct odb_context *odb = lck->odb;
- NTSTATUS status;
- struct opendb_file file;
int i;
bool modified = false;
- status = odb_pull_record(lck, &file);
- if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
- return NT_STATUS_OK;
- }
- NT_STATUS_NOT_OK_RETURN(status);
-
/* see if anyone has an oplock, which we need to break */
- for (i=0;i<file.num_entries;i++) {
- if (file.entries[i].oplock_level == OPLOCK_LEVEL_II) {
+ for (i=0;i<lck->file.num_entries;i++) {
+ if (lck->file.entries[i].oplock_level == OPLOCK_LEVEL_II) {
/*
* there could be multiple level2 oplocks
* and we just send a break to none to all of them
* without waiting for a release
*/
odb_oplock_break_send(odb->ntvfs_ctx->msg_ctx,
- &file.entries[i],
+ &lck->file.entries[i],
OPLOCK_BREAK_TO_NONE);
- file.entries[i].oplock_level = OPLOCK_NONE;
+ lck->file.entries[i].oplock_level = OPLOCK_NONE;
modified = true;
}
}
if (modified) {
- return odb_push_record(lck, &file);
+ return odb_push_record(lck, &lck->file);
}
return NT_STATUS_OK;
}
{
struct odb_context *odb = lck->odb;
int i;
- NTSTATUS status;
- struct opendb_file file;
- status = odb_pull_record(lck, &file);
- NT_STATUS_NOT_OK_RETURN(status);
+ if (lck->file.path == NULL) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
/* find the entry, and delete it */
- for (i=0;i<file.num_pending;i++) {
- if (private == file.pending[i].notify_ptr &&
- cluster_id_equal(&odb->ntvfs_ctx->server_id, &file.pending[i].server)) {
- if (i < file.num_pending-1) {
- memmove(file.pending+i, file.pending+i+1,
- (file.num_pending - (i+1)) *
+ for (i=0;i<lck->file.num_pending;i++) {
+ if (private == lck->file.pending[i].notify_ptr &&
+ cluster_id_equal(&odb->ntvfs_ctx->server_id, &lck->file.pending[i].server)) {
+ if (i < lck->file.num_pending-1) {
+ memmove(lck->file.pending+i, lck->file.pending+i+1,
+ (lck->file.num_pending - (i+1)) *
sizeof(struct opendb_pending));
}
break;
}
}
- if (i == file.num_pending) {
+ if (i == lck->file.num_pending) {
return NT_STATUS_UNSUCCESSFUL;
}
- file.num_pending--;
+ lck->file.num_pending--;
- return odb_push_record(lck, &file);
+ return odb_push_record(lck, &lck->file);
}
*/
static NTSTATUS odb_tdb_rename(struct odb_lock *lck, const char *path)
{
- struct opendb_file file;
- NTSTATUS status;
-
- status = odb_pull_record(lck, &file);
- if (NT_STATUS_EQUAL(NT_STATUS_OBJECT_NAME_NOT_FOUND, status)) {
+ if (lck->file.path == NULL) {
/* not having the record at all is OK */
return NT_STATUS_OK;
}
- NT_STATUS_NOT_OK_RETURN(status);
- file.path = path;
- return odb_push_record(lck, &file);
+ lck->file.path = talloc_strdup(lck, path);
+ NT_STATUS_HAVE_NO_MEMORY(lck->file.path);
+
+ return odb_push_record(lck, &lck->file);
}
/*
*/
static NTSTATUS odb_tdb_get_path(struct odb_lock *lck, const char **path)
{
- struct opendb_file file;
- NTSTATUS status;
-
*path = NULL;
- status = odb_pull_record(lck, &file);
/* we don't ignore NT_STATUS_OBJECT_NAME_NOT_FOUND here */
- NT_STATUS_NOT_OK_RETURN(status);
+ if (lck->file.path == NULL) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
- *path = file.path;
+ *path = lck->file.path;
return NT_STATUS_OK;
}
*/
static NTSTATUS odb_tdb_set_delete_on_close(struct odb_lock *lck, bool del_on_close)
{
- NTSTATUS status;
- struct opendb_file file;
-
- status = odb_pull_record(lck, &file);
- NT_STATUS_NOT_OK_RETURN(status);
+ if (lck->file.path == NULL) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
- file.delete_on_close = del_on_close;
+ lck->file.delete_on_close = del_on_close;
- return odb_push_record(lck, &file);
+ return odb_push_record(lck, &lck->file);
}
/*
static NTSTATUS odb_tdb_get_delete_on_close(struct odb_context *odb,
DATA_BLOB *key, bool *del_on_close)
{
- NTSTATUS status;
- struct opendb_file file;
struct odb_lock *lck;
(*del_on_close) = false;
lck = odb_lock(odb, odb, key);
NT_STATUS_HAVE_NO_MEMORY(lck);
- status = odb_pull_record(lck, &file);
- if (NT_STATUS_EQUAL(NT_STATUS_OBJECT_NAME_NOT_FOUND, status)) {
- talloc_free(lck);
- return NT_STATUS_OK;
- }
- if (!NT_STATUS_IS_OK(status)) {
- talloc_free(lck);
- return status;
- }
-
- (*del_on_close) = file.delete_on_close;
+ (*del_on_close) = lck->file.delete_on_close;
talloc_free(lck);
{
struct odb_context *odb = lck->odb;
NTSTATUS status;
- struct opendb_file file;
-
- status = odb_pull_record(lck, &file);
- if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
- goto ok;
- }
- NT_STATUS_NOT_OK_RETURN(status);
- status = odb_tdb_open_can_internal(odb, &file, stream_id,
+ status = odb_tdb_open_can_internal(odb, &lck->file, stream_id,
share_access, access_mask,
delete_on_close, open_disposition,
break_to_none, &lck->can_open.attrs_only);
NT_STATUS_NOT_OK_RETURN(status);
-ok:
lck->can_open.e = talloc(lck, struct opendb_entry);
NT_STATUS_HAVE_NO_MEMORY(lck->can_open.e);
lck->can_open.e->server = odb->ntvfs_ctx->server_id;
lck->can_open.e->file_handle = NULL;
+ lck->can_open.e->fd = NULL;
lck->can_open.e->stream_id = stream_id;
lck->can_open.e->share_access = share_access;
lck->can_open.e->access_mask = access_mask;
void odb_tdb_init_ops(void)
{
+ sys_lease_init();
odb_set_ops(&opendb_tdb_ops);
}
git.samba.org / samba.git / blobdiff