Unix SMB/CIFS implementation.
Low-level connections.tdb access functions
Copyright (C) Volker Lendecke 2007
-
+
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 "system/filesys.h"
+#include "smbd/globals.h"
+#include "dbwrap/dbwrap.h"
+#include "dbwrap/dbwrap_open.h"
+#include "messages.h"
static struct db_context *connections_db_ctx(bool rw)
{
static struct db_context *db_ctx;
+ int open_flags;
if (db_ctx != NULL) {
return db_ctx;
}
- if (rw) {
- db_ctx = db_open(NULL, lock_path("connections.tdb"), 0,
- TDB_CLEAR_IF_FIRST|TDB_DEFAULT,
- O_RDWR | O_CREAT, 0644);
- }
- else {
- db_ctx = db_open(NULL, lock_path("connections.tdb"), 0,
- TDB_DEFAULT, O_RDONLY, 0);
- }
+ open_flags = rw ? (O_RDWR|O_CREAT) : O_RDONLY;
+ db_ctx = db_open(NULL, lock_path("connections.tdb"), 0,
+ TDB_CLEAR_IF_FIRST|TDB_INCOMPATIBLE_HASH|TDB_DEFAULT, open_flags, 0644);
return db_ctx;
}
-struct db_record *connections_fetch_record(TALLOC_CTX *mem_ctx,
- TDB_DATA key)
+static struct db_record *connections_fetch_record(TALLOC_CTX *mem_ctx,
+ TDB_DATA key)
{
struct db_context *ctx = connections_db_ctx(True);
return NULL;
}
- return ctx->fetch_locked(ctx, mem_ctx, key);
+ return dbwrap_fetch_locked(ctx, mem_ctx, key);
}
struct db_record *connections_fetch_entry(TALLOC_CTX *mem_ctx,
TDB_DATA key;
ZERO_STRUCT(ckey);
- ckey.pid = procid_self();
- ckey.cnum = conn ? conn->cnum : -1;
+ ckey.pid = messaging_server_id(conn->sconn->msg_ctx);
+ ckey.cnum = conn->cnum;
strlcpy(ckey.name, name, sizeof(ckey.name));
key.dsize = sizeof(ckey);
static int conn_traverse_fn(struct db_record *rec, void *private_data)
{
+ TDB_DATA key;
+ TDB_DATA value;
struct conn_traverse_state *state =
(struct conn_traverse_state *)private_data;
- if ((rec->key.dsize != sizeof(struct connections_key))
- || (rec->value.dsize != sizeof(struct connections_data))) {
+ key = dbwrap_record_get_key(rec);
+ value = dbwrap_record_get_value(rec);
+
+ if ((key.dsize != sizeof(struct connections_key))
+ || (value.dsize != sizeof(struct connections_data))) {
return 0;
}
- return state->fn(rec, (const struct connections_key *)rec->key.dptr,
- (const struct connections_data *)rec->value.dptr,
+ return state->fn(rec, (const struct connections_key *)key.dptr,
+ (const struct connections_data *)value.dptr,
state->private_data);
}
void *private_data),
void *private_data)
{
+ NTSTATUS status;
+ int count;
struct db_context *ctx = connections_db_ctx(False);
if (ctx == NULL) {
return -1;
}
- return ctx->traverse(ctx, fn, private_data);
+ status = dbwrap_traverse(ctx, fn, private_data, &count);
+ if (!NT_STATUS_IS_OK(status)) {
+ return -1;
+ }
+
+ return count;
}
int connections_forall(int (*fn)(struct db_record *rec,
void *private_data),
void *private_data)
{
+ struct db_context *ctx;
struct conn_traverse_state state;
+ NTSTATUS status;
+ int count;
+
+ ctx = connections_db_ctx(true);
+ if (ctx == NULL) {
+ return -1;
+ }
+
+ state.fn = fn;
+ state.private_data = private_data;
+
+ status = dbwrap_traverse(ctx, conn_traverse_fn, (void *)&state, &count);
+ if (!NT_STATUS_IS_OK(status)) {
+ return -1;
+ }
+
+ return count;
+}
+
+struct conn_traverse_read_state {
+ int (*fn)(const struct connections_key *key,
+ const struct connections_data *data,
+ void *private_data);
+ void *private_data;
+};
+
+static int connections_forall_read_fn(struct db_record *rec,
+ void *private_data)
+{
+ TDB_DATA key;
+ TDB_DATA value;
+ struct conn_traverse_read_state *state =
+ (struct conn_traverse_read_state *)private_data;
+
+ key = dbwrap_record_get_key(rec);
+ value = dbwrap_record_get_value(rec);
+
+ if ((key.dsize != sizeof(struct connections_key))
+ || (value.dsize != sizeof(struct connections_data))) {
+ return 0;
+ }
+ return state->fn((const struct connections_key *)key.dptr,
+ (const struct connections_data *)value.dptr,
+ state->private_data);
+}
+
+int connections_forall_read(int (*fn)(const struct connections_key *key,
+ const struct connections_data *data,
+ void *private_data),
+ void *private_data)
+{
+ struct db_context *ctx;
+ struct conn_traverse_read_state state;
+ NTSTATUS status;
+ int count;
+
+ ctx = connections_db_ctx(false);
+ if (ctx == NULL) {
+ return -1;
+ }
state.fn = fn;
state.private_data = private_data;
- return connections_traverse(conn_traverse_fn, (void *)&state);
+ status = dbwrap_traverse_read(ctx, connections_forall_read_fn,
+ (void *)&state, &count);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ return -1;
+ }
+
+ return count;
}
bool connections_init(bool rw)
git.samba.org / mat / samba.git / blobdiff