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authorVolker Lendecke <vl@samba.org>2009-02-01 16:32:02 +0100
committerVolker Lendecke <vl@samba.org>2009-02-01 19:05:39 +0100
commitc14b7e648bcfc4865da4b290e46977fff81d4500 (patch)
tree0986bdd1520bf5df0d17d05f35873154756331cb /lib
parent0931bb8937eaec55844dee0cdeefafa162053c53 (diff)
downloadsamba-c14b7e648bcfc4865da4b290e46977fff81d4500.tar.gz
samba-c14b7e648bcfc4865da4b290e46977fff81d4500.tar.bz2
samba-c14b7e648bcfc4865da4b290e46977fff81d4500.zip
Split up async_req into a generic and a NTSTATUS specific part
Diffstat (limited to 'lib')
-rw-r--r--lib/async_req/async_req.c67
-rw-r--r--lib/async_req/async_req.h20
-rw-r--r--lib/async_req/async_req_ntstatus.c82
-rw-r--r--lib/async_req/async_req_ntstatus.h37
-rw-r--r--lib/async_req/async_sock.c30
-rw-r--r--lib/async_req/config.mk2
6 files changed, 158 insertions, 80 deletions
diff --git a/lib/async_req/async_req.c b/lib/async_req/async_req.c
index be70a56380..1b9fc5517b 100644
--- a/lib/async_req/async_req.c
+++ b/lib/async_req/async_req.c
@@ -43,8 +43,8 @@
char *async_req_print(TALLOC_CTX *mem_ctx, struct async_req *req)
{
- return talloc_asprintf(mem_ctx, "async_req: state=%d, status=%s, "
- "priv=%s", req->state, nt_errstr(req->status),
+ return talloc_asprintf(mem_ctx, "async_req: state=%d, error=%d, "
+ "priv=%s", req->state, (int)req->error,
talloc_get_name(req->private_data));
}
@@ -81,7 +81,7 @@ struct async_req *async_req_new(TALLOC_CTX *mem_ctx)
void async_req_done(struct async_req *req)
{
- req->status = NT_STATUS_OK;
+ req->error = 0;
req->state = ASYNC_REQ_DONE;
if (req->async.fn != NULL) {
req->async.fn(req);
@@ -98,9 +98,9 @@ void async_req_done(struct async_req *req)
* function with the appropriate status code.
*/
-void async_req_error(struct async_req *req, NTSTATUS status)
+void async_req_error(struct async_req *req, uint32_t error)
{
- req->status = status;
+ req->error = error;
req->state = ASYNC_REQ_ERROR;
if (req->async.fn != NULL) {
req->async.fn(req);
@@ -121,11 +121,11 @@ static void async_trigger(struct tevent_context *ev, struct tevent_timer *te,
struct async_req *req = talloc_get_type_abort(priv, struct async_req);
TALLOC_FREE(te);
- if (NT_STATUS_IS_OK(req->status)) {
+ if (req->error == 0) {
async_req_done(req);
}
else {
- async_req_error(req, req->status);
+ async_req_error(req, req->error);
}
}
@@ -142,10 +142,10 @@ static void async_trigger(struct tevent_context *ev, struct tevent_timer *te,
* conventions, independent of whether the request was actually deferred.
*/
-bool async_post_status(struct async_req *req, struct tevent_context *ev,
- NTSTATUS status)
+bool async_post_error(struct async_req *req, struct tevent_context *ev,
+ uint32_t error)
{
- req->status = status;
+ req->error = error;
if (tevent_add_timer(ev, req, timeval_zero(),
async_trigger, req) == NULL) {
@@ -154,55 +154,18 @@ bool async_post_status(struct async_req *req, struct tevent_context *ev,
return true;
}
-/**
- * @brief Helper function for nomem check
- * @param[in] p The pointer to be checked
- * @param[in] req The request being processed
- *
- * Convenience helper to easily check alloc failure within a callback
- * implementing the next step of an async request.
- *
- * Call pattern would be
- * \code
- * p = talloc(mem_ctx, bla);
- * if (async_req_nomem(p, req)) {
- * return;
- * }
- * \endcode
- */
-
-bool async_req_nomem(const void *p, struct async_req *req)
-{
- if (p != NULL) {
- return false;
- }
- async_req_error(req, NT_STATUS_NO_MEMORY);
- return true;
-}
-
-bool async_req_is_error(struct async_req *req, NTSTATUS *status)
+bool async_req_is_error(struct async_req *req, uint32_t *error)
{
if (req->state < ASYNC_REQ_DONE) {
- *status = NT_STATUS_INTERNAL_ERROR;
return true;
}
if (req->state == ASYNC_REQ_ERROR) {
- *status = req->status;
+ *error = req->error;
return true;
}
return false;
}
-NTSTATUS async_req_simple_recv(struct async_req *req)
-{
- NTSTATUS status;
-
- if (async_req_is_error(req, &status)) {
- return status;
- }
- return NT_STATUS_OK;
-}
-
static void async_req_timedout(struct tevent_context *ev,
struct tevent_timer *te,
struct timeval now,
@@ -211,7 +174,7 @@ static void async_req_timedout(struct tevent_context *ev,
struct async_req *req = talloc_get_type_abort(
priv, struct async_req);
TALLOC_FREE(te);
- async_req_error(req, NT_STATUS_IO_TIMEOUT);
+ async_req_nterror(req, NT_STATUS_IO_TIMEOUT);
}
bool async_req_set_timeout(struct async_req *req, struct tevent_context *ev,
@@ -240,9 +203,9 @@ struct async_req *async_wait_send(TALLOC_CTX *mem_ctx,
return result;
}
-NTSTATUS async_wait_recv(struct async_req *req)
+bool async_wait_recv(struct async_req *req)
{
- return NT_STATUS_OK;
+ return true;
}
struct async_queue_entry {
diff --git a/lib/async_req/async_req.h b/lib/async_req/async_req.h
index 59f5bd19b2..19b052a788 100644
--- a/lib/async_req/async_req.h
+++ b/lib/async_req/async_req.h
@@ -20,7 +20,7 @@
#ifndef __ASYNC_REQ_H__
#define __ASYNC_REQ_H__
-#include "includes.h"
+#include "lib/talloc/talloc.h"
/**
* An async request moves between the following 4 states:
@@ -92,9 +92,9 @@ struct async_req {
* @brief status code when finished
*
* This status can be queried in the async completion function. It
- * will be set to NT_STATUS_OK when everything went fine.
+ * will be set to 0 when everything went fine.
**/
- NTSTATUS status;
+ uint32_t error;
/**
* @brief What to do on completion
@@ -121,16 +121,12 @@ char *async_req_print(TALLOC_CTX *mem_ctx, struct async_req *req);
void async_req_done(struct async_req *req);
-void async_req_error(struct async_req *req, NTSTATUS status);
+void async_req_error(struct async_req *req, uint32_t error);
-bool async_post_status(struct async_req *req, struct tevent_context *ev,
- NTSTATUS status);
+bool async_post_error(struct async_req *req, struct tevent_context *ev,
+ uint32_t error);
-bool async_req_nomem(const void *p, struct async_req *req);
-
-bool async_req_is_error(struct async_req *req, NTSTATUS *status);
-
-NTSTATUS async_req_simple_recv(struct async_req *req);
+bool async_req_is_error(struct async_req *req, uint32_t *error);
bool async_req_set_timeout(struct async_req *req, struct tevent_context *ev,
struct timeval to);
@@ -139,7 +135,7 @@ struct async_req *async_wait_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct timeval to);
-NTSTATUS async_wait_recv(struct async_req *req);
+bool async_wait_recv(struct async_req *req);
struct async_req_queue;
diff --git a/lib/async_req/async_req_ntstatus.c b/lib/async_req/async_req_ntstatus.c
new file mode 100644
index 0000000000..dd81026074
--- /dev/null
+++ b/lib/async_req/async_req_ntstatus.c
@@ -0,0 +1,82 @@
+/*
+ Unix SMB/CIFS implementation.
+ NTSTATUS wrappers for async_req.h
+ Copyright (C) Volker Lendecke 2008, 2009
+
+ 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 "lib/tevent/tevent.h"
+#include "lib/talloc/talloc.h"
+#include "lib/util/dlinklist.h"
+#include "lib/async_req/async_req_ntstatus.h"
+
+/**
+ * @brief Helper function for nomem check
+ * @param[in] p The pointer to be checked
+ * @param[in] req The request being processed
+ *
+ * Convenience helper to easily check alloc failure within a callback
+ * implementing the next step of an async request.
+ *
+ * Call pattern would be
+ * \code
+ * p = talloc(mem_ctx, bla);
+ * if (async_req_ntnomem(p, req)) {
+ * return;
+ * }
+ * \endcode
+ */
+
+bool async_req_ntnomem(const void *p, struct async_req *req)
+{
+ if (p != NULL) {
+ return false;
+ }
+ async_req_nterror(req, NT_STATUS_NO_MEMORY);
+ return true;
+}
+
+void async_req_nterror(struct async_req *req, NTSTATUS status)
+{
+ async_req_error(req, NT_STATUS_V(status));
+}
+
+bool async_post_ntstatus(struct async_req *req, struct tevent_context *ev,
+ NTSTATUS status)
+{
+ return async_post_error(req, ev, NT_STATUS_V(status));
+}
+
+bool async_req_is_nterror(struct async_req *req, NTSTATUS *status)
+{
+ uint32_t error = NT_STATUS_V(NT_STATUS_INTERNAL_ERROR);
+
+ if (async_req_is_error(req, &error)) {
+ *status = NT_STATUS(error);
+ return true;
+ }
+ return false;
+}
+
+NTSTATUS async_req_simple_recv_ntstatus(struct async_req *req)
+{
+ NTSTATUS status;
+
+ if (async_req_is_nterror(req, &status)) {
+ return status;
+ }
+ return NT_STATUS_OK;
+}
diff --git a/lib/async_req/async_req_ntstatus.h b/lib/async_req/async_req_ntstatus.h
new file mode 100644
index 0000000000..7cc8caa14c
--- /dev/null
+++ b/lib/async_req/async_req_ntstatus.h
@@ -0,0 +1,37 @@
+/*
+ Unix SMB/CIFS implementation.
+ NTSTATUS wrappers for async_req.h
+ Copyright (C) Volker Lendecke 2008, 2009
+
+ 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/>.
+*/
+
+#ifndef __ASYNC_REQ_NTSTATUS_H__
+#define __ASYNC_REQ_NTSTATUS_H__
+
+#include "lib/async_req/async_req.h"
+#include "includes.h"
+
+void async_req_nterror(struct async_req *req, NTSTATUS status);
+
+bool async_post_ntstatus(struct async_req *req, struct tevent_context *ev,
+ NTSTATUS status);
+
+bool async_req_is_nterror(struct async_req *req, NTSTATUS *status);
+
+NTSTATUS async_req_simple_recv_ntstatus(struct async_req *req);
+
+bool async_req_ntnomem(const void *p, struct async_req *req);
+
+#endif
diff --git a/lib/async_req/async_sock.c b/lib/async_req/async_sock.c
index 7febc54fd4..b992320669 100644
--- a/lib/async_req/async_sock.c
+++ b/lib/async_req/async_sock.c
@@ -239,7 +239,7 @@ static void async_send_callback(struct tevent_context *ev,
struct param_send *p = &state->param.param_send;
if (state->syscall_type != ASYNC_SYSCALL_SEND) {
- async_req_error(req, NT_STATUS_INTERNAL_ERROR);
+ async_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
return;
}
@@ -306,7 +306,7 @@ static void async_sendall_callback(struct tevent_context *ev,
struct param_sendall *p = &state->param.param_sendall;
if (state->syscall_type != ASYNC_SYSCALL_SENDALL) {
- async_req_error(req, NT_STATUS_INTERNAL_ERROR);
+ async_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
return;
}
@@ -316,18 +316,18 @@ static void async_sendall_callback(struct tevent_context *ev,
state->sys_errno = errno;
if (state->result.result_ssize_t == -1) {
- async_req_error(req, map_nt_error_from_unix(state->sys_errno));
+ async_req_nterror(req, map_nt_error_from_unix(state->sys_errno));
return;
}
if (state->result.result_ssize_t == 0) {
- async_req_error(req, NT_STATUS_END_OF_FILE);
+ async_req_nterror(req, NT_STATUS_END_OF_FILE);
return;
}
p->sent += state->result.result_ssize_t;
if (p->sent > p->length) {
- async_req_error(req, NT_STATUS_INTERNAL_ERROR);
+ async_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
return;
}
@@ -376,7 +376,7 @@ struct async_req *sendall_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
NTSTATUS sendall_recv(struct async_req *req)
{
- return async_req_simple_recv(req);
+ return async_req_simple_recv_ntstatus(req);
}
/**
@@ -398,7 +398,7 @@ static void async_recv_callback(struct tevent_context *ev,
struct param_recv *p = &state->param.param_recv;
if (state->syscall_type != ASYNC_SYSCALL_RECV) {
- async_req_error(req, NT_STATUS_INTERNAL_ERROR);
+ async_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
return;
}
@@ -466,7 +466,7 @@ static void async_recvall_callback(struct tevent_context *ev,
struct param_recvall *p = &state->param.param_recvall;
if (state->syscall_type != ASYNC_SYSCALL_RECVALL) {
- async_req_error(req, NT_STATUS_INTERNAL_ERROR);
+ async_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
return;
}
@@ -476,18 +476,18 @@ static void async_recvall_callback(struct tevent_context *ev,
state->sys_errno = errno;
if (state->result.result_ssize_t == -1) {
- async_req_error(req, map_nt_error_from_unix(state->sys_errno));
+ async_req_nterror(req, map_nt_error_from_unix(state->sys_errno));
return;
}
if (state->result.result_ssize_t == 0) {
- async_req_error(req, NT_STATUS_END_OF_FILE);
+ async_req_nterror(req, NT_STATUS_END_OF_FILE);
return;
}
p->received += state->result.result_ssize_t;
if (p->received > p->length) {
- async_req_error(req, NT_STATUS_INTERNAL_ERROR);
+ async_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
return;
}
@@ -535,7 +535,7 @@ struct async_req *recvall_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
NTSTATUS recvall_recv(struct async_req *req)
{
- return async_req_simple_recv(req);
+ return async_req_simple_recv_ntstatus(req);
}
struct async_connect_state {
@@ -627,7 +627,7 @@ struct async_req *async_connect_send(TALLOC_CTX *mem_ctx,
status = map_nt_error_from_unix(state->sys_errno);
post_status:
fcntl(fd, F_SETFL, state->old_sockflags);
- if (!async_post_status(result, ev, status)) {
+ if (!async_post_ntstatus(result, ev, status)) {
goto fail;
}
return result;
@@ -675,7 +675,7 @@ static void async_connect_connected(struct tevent_context *ev,
DEBUG(10, ("connect returned %s\n", strerror(errno)));
fcntl(state->fd, F_SETFL, state->old_sockflags);
- async_req_error(req, map_nt_error_from_unix(state->sys_errno));
+ async_req_nterror(req, map_nt_error_from_unix(state->sys_errno));
return;
}
@@ -693,7 +693,7 @@ NTSTATUS async_connect_recv(struct async_req *req, int *perrno)
*perrno = state->sys_errno;
- if (async_req_is_error(req, &status)) {
+ if (async_req_is_nterror(req, &status)) {
return status;
}
if (state->sys_errno == 0) {
diff --git a/lib/async_req/config.mk b/lib/async_req/config.mk
index 8cc594082c..820f890fd0 100644
--- a/lib/async_req/config.mk
+++ b/lib/async_req/config.mk
@@ -1,3 +1,3 @@
[SUBSYSTEM::LIBASYNC_REQ]
-LIBASYNC_REQ_OBJ_FILES = $(addprefix ../lib/async_req/, async_req.o async_sock.o)
+LIBASYNC_REQ_OBJ_FILES = $(addprefix ../lib/async_req/, async_req.o async_sock.o async_req_ntstatus.o)