libcli/smb: make use of samba_tevent_context_init()
[Samba/gebeck_regimport.git] / libcli / smb / smb2cli_flush.c
blob0ca2699ce3983597e4e2b86e3f2855428100cd53
1 /*
2 Unix SMB/CIFS implementation.
3 smb2 lib
4 Copyright (C) Volker Lendecke 2011
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #include "includes.h"
21 #include "system/network.h"
22 #include "lib/util/tevent_ntstatus.h"
23 #include "smb_common.h"
24 #include "smbXcli_base.h"
26 struct smb2cli_flush_state {
27 uint8_t fixed[24];
30 static void smb2cli_flush_done(struct tevent_req *subreq);
32 struct tevent_req *smb2cli_flush_send(TALLOC_CTX *mem_ctx,
33 struct tevent_context *ev,
34 struct smbXcli_conn *conn,
35 uint32_t timeout_msec,
36 struct smbXcli_session *session,
37 struct smbXcli_tcon *tcon,
38 uint64_t fid_persistent,
39 uint64_t fid_volatile)
41 struct tevent_req *req, *subreq;
42 struct smb2cli_flush_state *state;
43 uint8_t *fixed;
45 req = tevent_req_create(mem_ctx, &state,
46 struct smb2cli_flush_state);
47 if (req == NULL) {
48 return NULL;
50 fixed = state->fixed;
51 SSVAL(fixed, 0, 24);
52 SBVAL(fixed, 8, fid_persistent);
53 SBVAL(fixed, 16, fid_volatile);
55 subreq = smb2cli_req_send(state, ev, conn, SMB2_OP_FLUSH,
56 0, 0, /* flags */
57 timeout_msec,
58 tcon,
59 session,
60 state->fixed, sizeof(state->fixed),
61 NULL, 0);
62 if (tevent_req_nomem(subreq, req)) {
63 return tevent_req_post(req, ev);
65 tevent_req_set_callback(subreq, smb2cli_flush_done, req);
66 return req;
69 static void smb2cli_flush_done(struct tevent_req *subreq)
71 struct tevent_req *req =
72 tevent_req_callback_data(subreq,
73 struct tevent_req);
74 NTSTATUS status;
75 static const struct smb2cli_req_expected_response expected[] = {
77 .status = NT_STATUS_OK,
78 .body_size = 0x04
82 status = smb2cli_req_recv(subreq, NULL, NULL,
83 expected, ARRAY_SIZE(expected));
84 TALLOC_FREE(subreq);
85 if (tevent_req_nterror(req, status)) {
86 return;
88 tevent_req_done(req);
91 NTSTATUS smb2cli_flush_recv(struct tevent_req *req)
93 return tevent_req_simple_recv_ntstatus(req);
96 NTSTATUS smb2cli_flush(struct smbXcli_conn *conn,
97 uint32_t timeout_msec,
98 struct smbXcli_session *session,
99 struct smbXcli_tcon *tcon,
100 uint64_t fid_persistent,
101 uint64_t fid_volatile)
103 TALLOC_CTX *frame = talloc_stackframe();
104 struct tevent_context *ev;
105 struct tevent_req *req;
106 NTSTATUS status = NT_STATUS_NO_MEMORY;
108 if (smbXcli_conn_has_async_calls(conn)) {
110 * Can't use sync call while an async call is in flight
112 status = NT_STATUS_INVALID_PARAMETER;
113 goto fail;
115 ev = samba_tevent_context_init(frame);
116 if (ev == NULL) {
117 goto fail;
119 req = smb2cli_flush_send(frame, ev, conn, timeout_msec,
120 session, tcon,
121 fid_persistent, fid_volatile);
122 if (req == NULL) {
123 goto fail;
125 if (!tevent_req_poll_ntstatus(req, ev, &status)) {
126 goto fail;
128 status = smb2cli_flush_recv(req);
129 fail:
130 TALLOC_FREE(frame);
131 return status;