Convert cli_close to tevent_req
[ira/wip.git] / source3 / libsmb / clifile.c
index 3d0e3ec9576d580408378ed868efcfb55166287f..c492f2b01f2b557b2d8dadf6e860b0cdf4e56117 100644 (file)
@@ -1137,65 +1137,111 @@ int cli_open(struct cli_state *cli, const char *fname, int flags,
  Close a file.
 ****************************************************************************/
 
-struct async_req *cli_close_send(TALLOC_CTX *mem_ctx, struct event_context *ev,
-                                struct cli_state *cli, int fnum)
-{
+struct cli_close_state {
        uint16_t vwv[3];
+};
 
-       SSVAL(vwv+0, 0, fnum);
-       SIVALS(vwv+1, 0, -1);
+static void cli_close_done(struct tevent_req *subreq);
 
-       return cli_request_send(mem_ctx, ev, cli, SMBclose, 0, 3, vwv, 0,
-                               0, NULL);
+struct tevent_req *cli_close_create(TALLOC_CTX *mem_ctx,
+                                   struct event_context *ev,
+                                   struct cli_state *cli, int fnum,
+                                   struct tevent_req **psubreq)
+{
+       struct tevent_req *req, *subreq;
+       struct cli_close_state *state;
+
+       req = tevent_req_create(mem_ctx, &state, struct cli_close_state);
+       if (req == NULL) {
+               return NULL;
+       }
+       SSVAL(state->vwv+0, 0, fnum);
+       SIVALS(state->vwv+1, 0, -1);
+
+       subreq = cli_smb_req_create(state, ev, cli, SMBclose, 0, 3, state->vwv,
+                                   0, NULL);
+       if (subreq == NULL) {
+               TALLOC_FREE(req);
+               return NULL;
+       }
+       tevent_req_set_callback(subreq, cli_close_done, req);
+       *psubreq = subreq;
+       return req;
 }
 
-NTSTATUS cli_close_recv(struct async_req *req)
+struct tevent_req *cli_close_send(TALLOC_CTX *mem_ctx,
+                                 struct event_context *ev,
+                                 struct cli_state *cli, int fnum)
 {
-       uint8_t wct;
-       uint16_t *vwv;
-       uint16_t num_bytes;
-       uint8_t *bytes;
+       struct tevent_req *req, *subreq;
+
+       req = cli_close_create(mem_ctx, ev, cli, fnum, &subreq);
+       if ((req == NULL) || !cli_smb_req_send(subreq)) {
+               TALLOC_FREE(req);
+               return NULL;
+       }
+       return req;
+}
+
+static void cli_close_done(struct tevent_req *subreq)
+{
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
        NTSTATUS status;
 
-       if (async_req_is_nterror(req, &status)) {
-               return status;
+       status = cli_smb_recv(subreq, 0, NULL, NULL, NULL, NULL);
+       TALLOC_FREE(subreq);
+       if (!NT_STATUS_IS_OK(status)) {
+               tevent_req_nterror(req, status);
+               return;
        }
+       tevent_req_done(req);
+}
 
-       return cli_pull_reply(req, &wct, &vwv, &num_bytes, &bytes);
+NTSTATUS cli_close_recv(struct tevent_req *req)
+{
+       return tevent_req_simple_recv_ntstatus(req);
 }
 
 bool cli_close(struct cli_state *cli, int fnum)
 {
        TALLOC_CTX *frame = talloc_stackframe();
        struct event_context *ev;
-       struct async_req *req;
+       struct tevent_req *req;
+       NTSTATUS status = NT_STATUS_OK;
        bool result = false;
 
-       if (cli->fd_event != NULL) {
+       if (cli_has_async_calls(cli)) {
                /*
                 * Can't use sync call while an async call is in flight
                 */
-               cli_set_error(cli, NT_STATUS_INVALID_PARAMETER);
+               status = NT_STATUS_INVALID_PARAMETER;
                goto fail;
        }
 
        ev = event_context_init(frame);
        if (ev == NULL) {
+               status = NT_STATUS_NO_MEMORY;
                goto fail;
        }
 
        req = cli_close_send(frame, ev, cli, fnum);
        if (req == NULL) {
+               status = NT_STATUS_NO_MEMORY;
                goto fail;
        }
 
-       while (req->state < ASYNC_REQ_DONE) {
-               event_loop_once(ev);
+       if (!tevent_req_poll(req, ev)) {
+               status = map_nt_error_from_unix(errno);
+               goto fail;
        }
 
        result = NT_STATUS_IS_OK(cli_close_recv(req));
  fail:
        TALLOC_FREE(frame);
+       if (!NT_STATUS_IS_OK(status)) {
+               cli_set_error(cli, status);
+       }
        return result;
 }