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-rw-r--r--lib/libalpm/trans.c187
1 files changed, 187 insertions, 0 deletions
diff --git a/lib/libalpm/trans.c b/lib/libalpm/trans.c
new file mode 100644
index 00000000..1aaca0e4
--- /dev/null
+++ b/lib/libalpm/trans.c
@@ -0,0 +1,187 @@
+/*
+ * trans.c
+ *
+ * Copyright (c) 2002-2005 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.
+ */
+
+#include "config.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+/* pacman */
+#include "error.h"
+#include "package.h"
+#include "util.h"
+#include "list.h"
+#include "handle.h"
+#include "add.h"
+#include "remove.h"
+#include "sync.h"
+#include "alpm.h"
+
+extern pmhandle_t *handle;
+
+pmtrans_t *trans_new()
+{
+ pmtrans_t *trans;
+
+ if((trans = (pmtrans_t *)malloc(sizeof(pmtrans_t))) == NULL) {
+ return(NULL);
+ }
+
+ trans->targets = NULL;
+ trans->packages = NULL;
+ trans->type = 0;
+ trans->flags = 0;
+ trans->cb = NULL;
+ trans->state = STATE_IDLE;
+
+ return(trans);
+}
+
+void trans_free(pmtrans_t *trans)
+{
+ if(trans == NULL) {
+ return;
+ }
+
+ FREELIST(trans->targets);
+ FREELISTPKGS(trans->packages);
+
+ free(trans);
+}
+
+int trans_init(pmtrans_t *trans, unsigned char type, unsigned char flags, alpm_trans_cb cb)
+{
+ /* Sanity checks */
+ if(trans == NULL) {
+ PM_RET_ERR(PM_ERR_TRANS_NULL, -1);
+ }
+
+ /* ORE
+ perform sanity checks on type and flags:
+ for instance, we can't set UPGRADE and FRESHEN at the same time */
+
+ trans->type = type;
+ trans->flags = flags;
+ trans->cb = cb;
+ trans->state = STATE_INITIALIZED;
+
+ return(0);
+}
+
+int trans_addtarget(pmtrans_t *trans, char *target)
+{
+ /* Sanity checks */
+ ASSERT(trans != NULL, PM_RET_ERR(PM_ERR_TRANS_NULL, -1));
+ ASSERT(target != NULL, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+ if(pm_list_is_strin(target, trans->targets)) {
+ PM_RET_ERR(PM_ERR_TRANS_DUP_TARGET, -1);
+ }
+
+ switch(trans->type) {
+ case PM_TRANS_TYPE_ADD:
+ case PM_TRANS_TYPE_UPGRADE:
+ if(add_loadtarget(handle->db_local, trans, target) == -1) {
+ /* pm_errno is set by add_loadtarget() */
+ return(-1);
+ }
+ break;
+ case PM_TRANS_TYPE_REMOVE:
+ if(remove_loadtarget(handle->db_local, trans, target) == -1) {
+ /* pm_errno is set by remove_loadtarget() */
+ return(-1);
+ }
+ break;
+ }
+ trans->targets = pm_list_add(trans->targets, strdup(target));
+ trans->state = STATE_INITIALIZED;
+
+ return(0);
+}
+
+int trans_prepare(pmtrans_t *trans, PMList **data)
+{
+ *data = NULL;
+
+ /* Sanity checks */
+ ASSERT(trans != NULL, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+ ASSERT(trans->packages != NULL, return(0));
+
+ switch(trans->type) {
+ case PM_TRANS_TYPE_ADD:
+ case PM_TRANS_TYPE_UPGRADE:
+ if(add_prepare(handle->db_local, trans, data) == -1) {
+ /* pm_errno is set by add_prepare() */
+ return(-1);
+ }
+ break;
+ case PM_TRANS_TYPE_REMOVE:
+ if(remove_prepare(handle->db_local, trans, data) == -1) {
+ /* pm_errno is set by remove_prepare() */
+ return(-1);
+ }
+ break;
+ case PM_TRANS_TYPE_SYNC:
+ if(sync_prepare(handle->db_local, trans, data) == -1) {
+ /* pm_errno is set by sync_prepare() */
+ return(-1);
+ }
+ break;
+ }
+
+ trans->state = STATE_PREPARED;
+
+ return(0);
+}
+
+int trans_commit(pmtrans_t *trans)
+{
+ /* Sanity checks */
+ ASSERT(trans != NULL, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+ /* If there's nothing to do, return without complaining */
+ ASSERT(trans->packages != NULL, return(0));
+
+ switch(trans->type) {
+ case PM_TRANS_TYPE_ADD:
+ case PM_TRANS_TYPE_UPGRADE:
+ if(add_commit(handle->db_local, trans) == -1) {
+ return(-1);
+ }
+ break;
+ case PM_TRANS_TYPE_REMOVE:
+ if(remove_commit(handle->db_local, trans) == -1) {
+ return(-1);
+ }
+ break;
+ case PM_TRANS_TYPE_SYNC:
+ if(sync_commit(handle->db_local, trans) == -1) {
+ return(-1);
+ }
+ break;
+ }
+
+ trans->state = STATE_COMMITED;
+
+ return(0);
+}
+
+/* vim: set ts=2 sw=2 noet: */