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authorJudd Vinet <judd@archlinux.org>2005-03-15 01:51:43 +0000
committerJudd Vinet <judd@archlinux.org>2005-03-15 01:51:43 +0000
commitd04baabafa2ebbad92741d1f87e6ff32999f894a (patch)
tree5a2280176812b80c28ca77bfa8e0655c16f4db7e /lib/libalpm/alpm.c
Initial revision
Diffstat (limited to 'lib/libalpm/alpm.c')
-rw-r--r--lib/libalpm/alpm.c577
1 files changed, 577 insertions, 0 deletions
diff --git a/lib/libalpm/alpm.c b/lib/libalpm/alpm.c
new file mode 100644
index 00000000..23528ae4
--- /dev/null
+++ b/lib/libalpm/alpm.c
@@ -0,0 +1,577 @@
+/*
+ * alpm.c
+ *
+ * Copyright (c) 2002 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 <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <time.h>
+#include <syslog.h>
+#include <limits.h> /* PATH_MAX */
+#include <stdarg.h>
+/* pacman */
+#include "log.h"
+#include "error.h"
+#include "rpmvercmp.h"
+#include "md5.h"
+#include "list.h"
+#include "package.h"
+#include "group.h"
+#include "util.h"
+#include "db.h"
+#include "cache.h"
+#include "deps.h"
+#include "backup.h"
+#include "add.h"
+#include "remove.h"
+#include "sync.h"
+#include "handle.h"
+#include "alpm.h"
+
+pmhandle_t *handle = NULL;
+
+enum __pmerrno_t pm_errno;
+
+/*
+ * Library
+ */
+
+int alpm_initialize(char *root)
+{
+ char str[PATH_MAX];
+
+ ASSERT(handle == NULL, PM_RET_ERR(PM_ERR_HANDLE_NOT_NULL, -1));
+
+ handle = handle_new();
+
+ /* lock db */
+ if(handle->access == PM_ACCESS_RW) {
+ if(_alpm_lckmk(PACLOCK) == -1) {
+ FREE(handle);
+ PM_RET_ERR(PM_ERR_HANDLE_LOCK, -1);
+ }
+ }
+
+ strncpy(str, (root) ? root : PACROOT, PATH_MAX);
+ /* add a trailing '/' if there isn't one */
+ if(str[strlen(str)-1] != '/') {
+ strcat(str, "/");
+ }
+ handle->root = strdup(str);
+
+ return(0);
+}
+
+int alpm_release()
+{
+ PMList *i;
+
+ ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+
+ /* unlock db */
+ if(handle->access == PM_ACCESS_RW) {
+ if(_alpm_lckrm(PACLOCK)) {
+ _alpm_log(PM_LOG_WARNING, "could not remove lock file %s", PACLOCK);
+ alpm_logaction("warning: could not remove lock file %s", PACLOCK);
+ }
+ }
+
+ /* close local database */
+ if(handle->db_local) {
+ db_close(handle->db_local);
+ handle->db_local = NULL;
+ }
+ /* and also sync ones */
+ for(i = handle->dbs_sync; i; i = i->next) {
+ if(i->data) {
+ db_close(i->data);
+ i->data = NULL;
+ }
+ }
+
+ FREEHANDLE(handle);
+
+ return(0);
+}
+
+/*
+ * Options
+ */
+
+int alpm_set_option(unsigned char parm, unsigned long data)
+{
+ /* Sanity checks */
+ ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+
+ return(handle_set_option(handle, parm, data));
+}
+
+int alpm_get_option(unsigned char parm, long *data)
+{
+ /* Sanity checks */
+ ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+
+ return(handle_get_option(handle, parm, data));
+}
+
+/*
+ * Databases
+ */
+
+int alpm_db_register(char *treename, PM_DB **db)
+{
+ /* Sanity checks */
+ ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+ ASSERT(treename != NULL && strlen(treename) != 0, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+ ASSERT(db != NULL, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+ /* check if the db if already registered */
+ *db = db_open(handle->root, handle->dbpath, treename);
+ if(*db == NULL) {
+ /* couldn't open the db directory - try creating it */
+ if(db_create(handle->root, handle->dbpath, treename) == -1) {
+ PM_RET_ERR(PM_ERR_DB_CREATE, -1);
+ }
+ *db = db_open(handle->root, handle->dbpath, treename);
+ if(*db == NULL) {
+ /* couldn't open the db directory, try creating it */
+ PM_RET_ERR(PM_ERR_DB_OPEN, -1);
+ }
+ }
+
+ if(strcmp(treename, "local") == 0) {
+ handle->db_local = *db;
+ } else {
+ handle->dbs_sync = pm_list_add(handle->dbs_sync, *db);
+ }
+
+ return(0);
+}
+
+int alpm_db_unregister(PM_DB *db)
+{
+ PMList *i;
+ int found = 0;
+
+ /* Sanity checks */
+ ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+ ASSERT(db != NULL, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+ if(db == handle->db_local) {
+ db_close(handle->db_local);
+ handle->db_local = NULL;
+ found = 1;
+ } else {
+ for(i = handle->dbs_sync; i && !found; i = i->next) {
+ if(db == i->data) {
+ db_close(i->data);
+ i->data = NULL;
+ /* ORE
+ it should be _alpm_list_removed instead */
+ found = 1;
+ }
+ }
+ }
+
+ if(!found) {
+ PM_RET_ERR(PM_ERR_DB_NOT_FOUND, -1);
+ }
+
+ return(0);
+}
+
+PM_PKG *alpm_db_readpkg(PM_DB *db, char *name)
+{
+ /* Sanity checks */
+ ASSERT(handle != NULL, return(NULL));
+ ASSERT(db != NULL, return(NULL));
+ ASSERT(name != NULL && strlen(name) != 0, return(NULL));
+
+ return(db_get_pkgfromcache(db, name));
+}
+
+PM_LIST *alpm_db_getpkgcache(PM_DB *db)
+{
+ /* Sanity checks */
+ ASSERT(handle != NULL, return(NULL));
+ ASSERT(db != NULL, return(NULL));
+
+ return(db_get_pkgcache(db));
+}
+
+PM_GRP *alpm_db_readgrp(PM_DB *db, char *name)
+{
+ /* Sanity checks */
+ ASSERT(handle != NULL, return(NULL));
+ ASSERT(db != NULL, return(NULL));
+ ASSERT(name != NULL && strlen(name) != 0, return(NULL));
+
+ return(db_get_grpfromcache(db, name));
+}
+
+PM_LIST *alpm_db_getgrpcache(PM_DB *db)
+{
+ /* Sanity checks */
+ ASSERT(handle != NULL, return(NULL));
+ ASSERT(db != NULL, return(NULL));
+
+ return(db_get_grpcache(db));
+}
+
+PM_LIST *alpm_db_nextgrp(PM_LIST *cache)
+{
+ /* Sanity checks */
+ ASSERT(handle != NULL, return(NULL));
+ ASSERT(cache != NULL, return(NULL));
+
+ return(cache->next);
+}
+
+PM_GRP *alpm_db_getgrp(PM_LIST *cache)
+{
+ /* Sanity checks */
+ ASSERT(handle != NULL, return(NULL));
+ ASSERT(cache != NULL, return(NULL));
+
+ return(cache->data);
+}
+
+/*
+ * Packages
+ */
+
+void *alpm_pkg_getinfo(PM_PKG *pkg, unsigned char parm)
+{
+ void *data;
+
+ /* Sanity checks */
+ ASSERT(handle != NULL, return(NULL));
+ ASSERT(pkg != NULL, return(NULL));
+
+ /* Update the cache package entry if needed */
+ if(pkg->origin == PKG_FROM_CACHE && pkg->data == handle->db_local) {
+ switch(parm) {
+ case PM_PKG_FILES:
+ case PM_PKG_BACKUP:
+ if(!(pkg->infolevel & INFRQ_FILES)) {
+ char target[321]; /* 256+1+64 */
+
+ snprintf(target, 321, "%s-%s", pkg->name, pkg->version);
+ db_read(pkg->data, target, INFRQ_FILES, pkg);
+ }
+ break;
+
+ case PM_PKG_SCRIPLET:
+ if(!(pkg->infolevel & INFRQ_SCRIPLET)) {
+ char target[321];
+
+ snprintf(target, 321, "%s-%s", pkg->name, pkg->version);
+ db_read(pkg->data, target, INFRQ_SCRIPLET, pkg);
+ }
+ break;
+ }
+ }
+
+ switch(parm) {
+ case PM_PKG_NAME: data = pkg->name; break;
+ case PM_PKG_VERSION: data = pkg->version; break;
+ case PM_PKG_DESC: data = pkg->desc; break;
+ case PM_PKG_GROUPS: data = pkg->groups; break;
+ case PM_PKG_URL: data = pkg->url; break;
+ case PM_PKG_LICENSE: data = pkg->license; break;
+ case PM_PKG_ARCH: data = pkg->arch; break;
+ case PM_PKG_BUILDDATE: data = pkg->builddate; break;
+ case PM_PKG_INSTALLDATE: data = pkg->installdate; break;
+ case PM_PKG_PACKAGER: data = pkg->packager; break;
+ case PM_PKG_SIZE: data = (void *)pkg->size; break;
+ case PM_PKG_REASON: data = (void *)(int)pkg->reason; break;
+ case PM_PKG_REPLACES: data = pkg->replaces; break;
+ case PM_PKG_MD5SUM: data = pkg->md5sum; break;
+ case PM_PKG_DEPENDS: data = pkg->depends; break;
+ case PM_PKG_REQUIREDBY: data = pkg->requiredby; break;
+ case PM_PKG_PROVIDES: data = pkg->provides; break;
+ case PM_PKG_CONFLICTS: data = pkg->conflicts; break;
+ case PM_PKG_FILES: data = pkg->files; break;
+ case PM_PKG_BACKUP: data = pkg->backup; break;
+ case PM_PKG_SCRIPLET: data = (void *)(int)pkg->scriptlet; break;
+ default:
+ data = NULL;
+ break;
+ }
+
+ return(data);
+}
+
+int alpm_pkg_load(char *filename, PM_PKG **pkg)
+{
+ /* Sanity checks */
+ ASSERT(filename != NULL && strlen(filename) != 0, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+ ASSERT(pkg != NULL, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+ *pkg = pkg_load(filename);
+ if(*pkg == NULL) {
+ /* pm_errno is set by pkg_load */
+ return(-1);
+ }
+
+ return(0);
+}
+
+int alpm_pkg_free(PM_PKG *pkg)
+{
+ /* Sanity checks */
+ ASSERT(pkg != NULL, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+ pkg_free(pkg);
+
+ return(0);
+}
+
+int alpm_pkg_vercmp(const char *ver1, const char *ver2)
+{
+ return(rpmvercmp(ver1, ver2));
+}
+
+/*
+ * Groups
+ */
+
+void *alpm_grp_getinfo(PM_GRP *grp, unsigned char parm)
+{
+ void *data;
+
+ /* Sanity checks */
+ ASSERT(grp != NULL, return(NULL));
+
+ switch(parm) {
+ case PM_GRP_NAME: data = grp->name; break;
+ case PM_GRP_PKGNAMES: data = grp->packages; break;
+ default:
+ data = NULL;
+ break;
+ }
+
+ return(data);
+}
+
+/*
+ * Sync operations
+ */
+
+void *alpm_sync_getinfo(PM_SYNC *sync, unsigned char parm)
+{
+ void *data;
+
+ /* Sanity checks */
+ ASSERT(sync != NULL, return(NULL));
+
+ switch(parm) {
+ case PM_SYNC_TYPE: data = (void *)(int)sync->type; break;
+ case PM_SYNC_LOCALPKG: data = sync->lpkg; break;
+ case PM_SYNC_SYNCPKG: data = sync->spkg; break;
+ default:
+ data = NULL;
+ break;
+ }
+
+ return(data);
+}
+
+int alpm_sync_sysupgrade(PM_LIST **data)
+{
+ ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+ ASSERT(data != NULL, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+ return(sync_sysupgrade(data));
+}
+
+/*
+ * Transactions
+ */
+
+void *alpm_trans_getinfo(unsigned char parm)
+{
+ pmtrans_t *trans;
+ void *data;
+
+ /* Sanity checks */
+ ASSERT(handle != NULL, return(NULL));
+
+ trans = handle->trans;
+
+ switch(parm) {
+ case PM_TRANS_TYPE: data = (void *)(int)trans->type; break;
+ case PM_TRANS_FLAGS: data = (void *)(int)trans->flags; break;
+ case PM_TRANS_TARGETS: data = trans->targets; break;
+ default:
+ data = NULL;
+ break;
+ }
+
+ return(data);
+}
+
+int alpm_trans_init(unsigned char type, unsigned char flags, alpm_trans_cb cb)
+{
+ /* Sanity checks */
+ ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+
+ ASSERT(handle->trans == NULL, PM_RET_ERR(PM_ERR_TRANS_NOT_NULL, -1));
+
+ handle->trans = trans_new();
+ if(handle->trans == NULL) {
+ PM_RET_ERR(PM_ERR_MEMORY, -1);
+ }
+
+ return(trans_init(handle->trans, type, flags, cb));
+}
+
+int alpm_trans_addtarget(char *target)
+{
+ pmtrans_t *trans;
+
+ /* Sanity checks */
+ ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+ ASSERT(target != NULL && strlen(target) != 0, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+ trans = handle->trans;
+ ASSERT(trans != NULL, PM_RET_ERR(PM_ERR_TRANS_NULL, -1));
+ ASSERT(trans->state == STATE_INITIALIZED, PM_RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
+
+ return(trans_addtarget(trans, target));
+}
+
+int alpm_trans_prepare(PMList **data)
+{
+ pmtrans_t *trans;
+
+ /* Sanity checks */
+ ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+ ASSERT(data != NULL, PM_RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+ trans = handle->trans;
+ ASSERT(trans != NULL, PM_RET_ERR(PM_ERR_TRANS_NULL, -1));
+ ASSERT(trans->state == STATE_INITIALIZED, PM_RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
+
+ return(trans_prepare(handle->trans, data));
+}
+
+int alpm_trans_commit()
+{
+ pmtrans_t *trans;
+
+ /* Sanity checks */
+ ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+
+ trans = handle->trans;
+ ASSERT(trans != NULL, PM_RET_ERR(PM_ERR_TRANS_NULL, -1));
+ ASSERT(trans->state == STATE_PREPARED, PM_RET_ERR(PM_ERR_TRANS_NOT_PREPARED, -1));
+
+ /* ORE
+ ASSERT(handle->access != PM_ACCESS_RW, PM_RET_ERR(PM_ERR_BAD_PERMS, -1));*/
+
+ return(trans_commit(handle->trans));
+}
+
+int alpm_trans_release()
+{
+ pmtrans_t *trans;
+
+ /* Sanity checks */
+ ASSERT(handle != NULL, PM_RET_ERR(PM_ERR_HANDLE_NULL, -1));
+
+ trans = handle->trans;
+ ASSERT(trans != NULL, PM_RET_ERR(PM_ERR_TRANS_NULL, -1));
+ ASSERT(trans->state != STATE_IDLE, PM_RET_ERR(PM_ERR_TRANS_NULL, -1));
+
+ FREETRANS(handle->trans);
+
+ return(0);
+}
+
+/*
+ * Log facilities
+ */
+
+int alpm_logaction(char *fmt, ...)
+{
+ char str[256];
+ va_list args;
+
+ va_start(args, fmt);
+ vsnprintf(str, 256, fmt, args);
+ va_end(args);
+
+ return(_alpm_log_action(handle->usesyslog, handle->logfd, str));
+}
+
+/*
+ * Lists wrappers
+ */
+
+PM_LIST *alpm_list_first(PM_LIST *list)
+{
+ ASSERT(list != NULL, return(NULL));
+
+ return(list);
+}
+
+PM_LIST *alpm_list_next(PM_LIST *entry)
+{
+ ASSERT(entry != NULL, return(NULL));
+
+ return(entry->next);
+}
+
+void *alpm_list_getdata(PM_LIST *entry)
+{
+ ASSERT(entry != NULL, return(NULL));
+
+ return(entry->data);
+}
+
+int alpm_list_free(PM_LIST *entry)
+{
+ if(entry) {
+ /* ORE
+ does not free all memory for packages... */
+ pm_list_free(entry);
+ }
+
+ return(0);
+}
+
+/*
+ * Misc wrappers
+ */
+
+char *alpm_get_md5sum(char *name)
+{
+ ASSERT(name != NULL, return(NULL));
+
+ return(MDFile(name));
+}
+
+/* vim: set ts=2 sw=2 noet: */