mirror of
https://github.com/moparisthebest/pacman
synced 2024-11-18 07:15:00 -05:00
188 lines
4.1 KiB
C
188 lines
4.1 KiB
C
/*
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* trans.c
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*
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* Copyright (c) 2002-2005 by Judd Vinet <jvinet@zeroflux.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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/* pacman */
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#include "error.h"
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#include "package.h"
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#include "util.h"
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#include "list.h"
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#include "handle.h"
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#include "add.h"
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#include "remove.h"
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#include "sync.h"
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#include "alpm.h"
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extern pmhandle_t *handle;
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pmtrans_t *trans_new()
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{
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pmtrans_t *trans;
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if((trans = (pmtrans_t *)malloc(sizeof(pmtrans_t))) == NULL) {
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return(NULL);
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}
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trans->targets = NULL;
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trans->packages = NULL;
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trans->type = 0;
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trans->flags = 0;
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trans->cb = NULL;
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trans->state = STATE_IDLE;
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return(trans);
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}
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void trans_free(pmtrans_t *trans)
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{
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if(trans == NULL) {
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return;
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}
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FREELIST(trans->targets);
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FREELISTPKGS(trans->packages);
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free(trans);
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}
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int trans_init(pmtrans_t *trans, unsigned char type, unsigned char flags, alpm_trans_cb cb)
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{
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/* Sanity checks */
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if(trans == NULL) {
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PM_RET_ERR(PM_ERR_TRANS_NULL, -1);
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}
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/* ORE
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perform sanity checks on type and flags:
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for instance, we can't set UPGRADE and FRESHEN at the same time */
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trans->type = type;
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trans->flags = flags;
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trans->cb = cb;
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trans->state = STATE_INITIALIZED;
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return(0);
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}
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int trans_addtarget(pmtrans_t *trans, char *target)
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{
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/* Sanity checks */
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ASSERT(trans != NULL, PM_RET_ERR(PM_ERR_TRANS_NULL, -1));
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ASSERT(target != NULL, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
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if(pm_list_is_strin(target, trans->targets)) {
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PM_RET_ERR(PM_ERR_TRANS_DUP_TARGET, -1);
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}
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switch(trans->type) {
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case PM_TRANS_TYPE_ADD:
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case PM_TRANS_TYPE_UPGRADE:
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if(add_loadtarget(handle->db_local, trans, target) == -1) {
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/* pm_errno is set by add_loadtarget() */
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return(-1);
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}
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break;
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case PM_TRANS_TYPE_REMOVE:
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if(remove_loadtarget(handle->db_local, trans, target) == -1) {
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/* pm_errno is set by remove_loadtarget() */
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return(-1);
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}
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break;
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}
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trans->targets = pm_list_add(trans->targets, strdup(target));
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trans->state = STATE_INITIALIZED;
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return(0);
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}
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int trans_prepare(pmtrans_t *trans, PMList **data)
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{
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*data = NULL;
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/* Sanity checks */
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ASSERT(trans != NULL, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
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ASSERT(trans->packages != NULL, return(0));
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switch(trans->type) {
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case PM_TRANS_TYPE_ADD:
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case PM_TRANS_TYPE_UPGRADE:
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if(add_prepare(handle->db_local, trans, data) == -1) {
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/* pm_errno is set by add_prepare() */
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return(-1);
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}
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break;
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case PM_TRANS_TYPE_REMOVE:
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if(remove_prepare(handle->db_local, trans, data) == -1) {
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/* pm_errno is set by remove_prepare() */
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return(-1);
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}
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break;
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case PM_TRANS_TYPE_SYNC:
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if(sync_prepare(handle->db_local, trans, data) == -1) {
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/* pm_errno is set by sync_prepare() */
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return(-1);
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}
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break;
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}
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trans->state = STATE_PREPARED;
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return(0);
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}
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int trans_commit(pmtrans_t *trans)
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{
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/* Sanity checks */
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ASSERT(trans != NULL, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
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/* If there's nothing to do, return without complaining */
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ASSERT(trans->packages != NULL, return(0));
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switch(trans->type) {
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case PM_TRANS_TYPE_ADD:
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case PM_TRANS_TYPE_UPGRADE:
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if(add_commit(handle->db_local, trans) == -1) {
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return(-1);
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}
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break;
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case PM_TRANS_TYPE_REMOVE:
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if(remove_commit(handle->db_local, trans) == -1) {
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return(-1);
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}
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break;
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case PM_TRANS_TYPE_SYNC:
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if(sync_commit(handle->db_local, trans) == -1) {
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return(-1);
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}
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break;
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}
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trans->state = STATE_COMMITED;
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return(0);
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}
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/* vim: set ts=2 sw=2 noet: */
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