lib/libalpm/trans.h


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/*
 *  trans.h
 * 
 *  Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
 *  Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
 *  Copyright (c) 2005 by Christian Hamar <krics@linuxforum.hu>
 *  Copyright (c) 2006 by Miklos Vajna <vmiklos@frugalware.org>
 * 
 *  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 2 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, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 
 *  USA.
 */
#ifndef _ALPM_TRANS_H
#define _ALPM_TRANS_H

#include "alpm.h"

typedef enum _pmtransstate_t {
  STATE_IDLE = 0,
  STATE_INITIALIZED,
  STATE_PREPARED,
  STATE_DOWNLOADING,
  STATE_COMMITING,
  STATE_COMMITED,
  STATE_INTERRUPTED
} pmtransstate_t;

/* Transaction */
struct __pmtrans_t {
  pmtranstype_t type;
  pmtransflag_t flags;
  pmtransstate_t state;
  alpm_list_t *targets;       /* list of (char *) */
  alpm_list_t *packages;      /* list of (pmpkg_t *) or (pmsyncpkg_t *) */
  alpm_list_t *skip_add;      /* list of (char *) */
  alpm_list_t *skip_remove;   /* list of (char *) */
  alpm_trans_cb_event cb_event;
  alpm_trans_cb_conv cb_conv;
  alpm_trans_cb_progress cb_progress;
};

#define EVENT(t, e, d1, d2) \
do { \
  if((t) && (t)->cb_event) { \
    (t)->cb_event(e, d1, d2); \
  } \
} while(0)
#define QUESTION(t, q, d1, d2, d3, r) \
do { \
  if((t) && (t)->cb_conv) { \
    (t)->cb_conv(q, d1, d2, d3, r); \
  } \
} while(0)
#define PROGRESS(t, e, p, per, h, r) \
do { \
  if((t) && (t)->cb_progress) { \
    (t)->cb_progress(e, p, per, h, r); \
  } \
} while(0)

pmtrans_t *_alpm_trans_new(void);
void _alpm_trans_free(pmtrans_t *trans);
int _alpm_trans_init(pmtrans_t *trans, pmtranstype_t type, pmtransflag_t flags,
                     alpm_trans_cb_event event, alpm_trans_cb_conv conv,
                     alpm_trans_cb_progress progress);
int _alpm_trans_sysupgrade(pmtrans_t *trans);
int _alpm_trans_addtarget(pmtrans_t *trans, char *target);
int _alpm_trans_prepare(pmtrans_t *trans, alpm_list_t **data);
int _alpm_trans_commit(pmtrans_t *trans, alpm_list_t **data);
int _alpm_runscriptlet(const char *root, const char *installfn,
                       const char *script, const char *ver,
                       const char *oldver, pmtrans_t *trans);

#endif /* _ALPM_TRANS_H */

/* vim: set ts=2 sw=2 noet: */