libsyncml 0.5.4

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data_sync_abort.c
1 /*
2 * libsyncml - A syncml protocol implementation
3 * Copyright (C) 2009 Michael Bell <michael.bell@opensync.org>
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 *
19 */
20
21 #include "../syncml.h"
22 #include "../syncml_internals.h"
23 #include "../sml_error_internals.h"
24
25 #include <libsyncml/data_sync_api/defines.h>
26 #include <libsyncml/data_sync_api/standard.h>
27 #include <libsyncml/data_sync_api/callbacks.h>
28
29 #include "data_sync.h"
30
38 #include "../sml_session_internals.h"
39 #include "../sml_manager_internals.h"
40
41 SmlBool smlDataSyncAbort(
42 SmlDataSyncObject *dsObject,
43 SmlError **error)
44 {
45 smlTrace(TRACE_ENTRY, "%s", __func__);
46
47 /* determine the state of the session */
48 if (!dsObject->session->sending && !dsObject->session->waiting)
49 {
50 /* send abort command */
51 smlTrace(TRACE_INTERNAL, "%s: A careful abort is possible.", __func__);
52 /* FIXME: Send a default abort command. */
53 /* FIXME: Is it necessary or recommended to abort every datastore. */
54 goto WORKAROUND;
55 } else {
56 /* stop transport */
57 WORKAROUND:
58 smlTrace(TRACE_INTERNAL, "%s: A hard abort is required.", __func__);
59
60 if (SML_DATA_SYNC_STATE_CONNECTED <= dsObject->internalState &&
61 dsObject->internalState < SML_DATA_SYNC_STATE_DISCONNECT_IN_PROGRESS)
62 {
63 dsObject->internalState = SML_DATA_SYNC_STATE_DISCONNECT_IN_PROGRESS;
64
65 SmlLink *link_ = smlManagerSessionGetLink(
66 dsObject->manager,
67 dsObject->session,
68 error);
69 if (!link_ && *error)
70 goto error;
71
72 if (!smlTransportDisconnect(dsObject->tsp, link_, error))
73 goto error;
74 }
75 }
76
77 smlTrace(TRACE_EXIT, "%s", __func__);
78 return TRUE;
79 error:
80 smlTrace(TRACE_EXIT_ERROR, "%s - %s", __func__, smlErrorPrint(error));
81 return FALSE;
82 }
83