lib/libalpm/trans.h


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/*
 *  trans.h
 * 
 *  Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.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

enum {
  STATE_IDLE = 0,
  STATE_INITIALIZED,
  STATE_PREPARED,
  STATE_COMMITED
};

#include "alpm.h"

typedef struct __pmtrans_t {
  unsigned char type;
  unsigned char flags;
  unsigned char state;
  PMList *targets;     /* PMList of (char *) */
  PMList *packages;    /* PMList of (pmpkg_t *) or (pmsyncpkg_t *) */
  PMList *skiplist;    /* PMList of (char *) */
  alpm_trans_cb_event cb_event;
  alpm_trans_cb_conv cb_conv;
} pmtrans_t;

#define FREETRANS(p) \
do { \
  if(p) { \
    trans_free(p); \
    p = NULL; \
  } \
} while (0)
#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)

pmtrans_t *trans_new(void);
void trans_free(pmtrans_t *trans);
int trans_init(pmtrans_t *trans, unsigned char type, unsigned char flags, alpm_trans_cb_event event, alpm_trans_cb_conv conv);
int trans_sysupgrade(pmtrans_t *trans);
int trans_addtarget(pmtrans_t *trans, char *target);
int trans_prepare(pmtrans_t *trans, PMList **data);
int trans_commit(pmtrans_t *trans);

#endif /* _ALPM_TRANS_H */

/* vim: set ts=2 sw=2 noet: */