Exemple #1
0
static int sync_db_populate(alpm_db_t *db)
{
	const char *dbpath;
	size_t est_count;
	int count, fd;
	struct stat buf;
	struct archive *archive;
	struct archive_entry *entry;
	alpm_pkg_t *pkg = NULL;

	if(db->status & DB_STATUS_INVALID) {
		RET_ERR(db->handle, ALPM_ERR_DB_INVALID, -1);
	}
	if(db->status & DB_STATUS_MISSING) {
		RET_ERR(db->handle, ALPM_ERR_DB_NOT_FOUND, -1);
	}
	dbpath = _alpm_db_path(db);
	if(!dbpath) {
		/* pm_errno set in _alpm_db_path() */
		return -1;
	}

	fd = _alpm_open_archive(db->handle, dbpath, &buf,
			&archive, ALPM_ERR_DB_OPEN);
	if(fd < 0) {
		return -1;
	}
	est_count = estimate_package_count(&buf, archive);

	db->pkgcache = _alpm_pkghash_create(est_count);
	if(db->pkgcache == NULL) {
		db->handle->pm_errno = ALPM_ERR_MEMORY;
		count = -1;
		goto cleanup;
	}

	while(archive_read_next_header(archive, &entry) == ARCHIVE_OK) {
		mode_t mode = archive_entry_mode(entry);
		if(S_ISDIR(mode)) {
			continue;
		} else {
			/* we have desc, depends or deltas - parse it */
			if(sync_db_read(db, archive, entry, &pkg) != 0) {
				_alpm_log(db->handle, ALPM_LOG_ERROR,
						_("could not parse package description file '%s' from db '%s'\n"),
						archive_entry_pathname(entry), db->treename);
				continue;
			}
		}
	}

	count = alpm_list_count(db->pkgcache->list);
	if(count > 0) {
		db->pkgcache->list = alpm_list_msort(db->pkgcache->list,
				(size_t)count, _alpm_pkg_cmp);
	}
	_alpm_log(db->handle, ALPM_LOG_DEBUG,
			"added %d packages to package cache for db '%s'\n",
			count, db->treename);

cleanup:
	archive_read_finish(archive);
	if(fd >= 0) {
		CLOSE(fd);
	}
	return count;
}
Exemple #2
0
static int sync_db_populate(alpm_db_t *db)
{
	const char *dbpath;
	size_t est_count;
	int count = 0;
	struct stat buf;
	struct archive *archive;
	struct archive_entry *entry;
	alpm_pkg_t *pkg = NULL;

	if(db->status & DB_STATUS_INVALID) {
		RET_ERR(db->handle, ALPM_ERR_DB_INVALID, -1);
	}
	if(db->status & DB_STATUS_MISSING) {
		RET_ERR(db->handle, ALPM_ERR_DB_NOT_FOUND, -1);
	}

	if((archive = archive_read_new()) == NULL) {
		RET_ERR(db->handle, ALPM_ERR_LIBARCHIVE, -1);
	}

	archive_read_support_compression_all(archive);
	archive_read_support_format_all(archive);

	dbpath = _alpm_db_path(db);
	if(!dbpath) {
		/* pm_errno set in _alpm_db_path() */
		return -1;
	}

	_alpm_log(db->handle, ALPM_LOG_DEBUG, "opening database archive %s\n", dbpath);

	if(archive_read_open_filename(archive, dbpath,
				ARCHIVE_DEFAULT_BYTES_PER_BLOCK) != ARCHIVE_OK) {
		_alpm_log(db->handle, ALPM_LOG_ERROR, _("could not open file %s: %s\n"), dbpath,
				archive_error_string(archive));
		archive_read_finish(archive);
		RET_ERR(db->handle, ALPM_ERR_DB_OPEN, -1);
	}
	if(stat(dbpath, &buf) != 0) {
		RET_ERR(db->handle, ALPM_ERR_DB_OPEN, -1);
	}
	est_count = estimate_package_count(&buf, archive);

	/* initialize hash at 66% full */
	db->pkgcache = _alpm_pkghash_create(est_count * 3 / 2);
	if(db->pkgcache == NULL) {
		RET_ERR(db->handle, ALPM_ERR_MEMORY, -1);
	}

	while(archive_read_next_header(archive, &entry) == ARCHIVE_OK) {
		mode_t mode = archive_entry_mode(entry);
		if(S_ISDIR(mode)) {
			continue;
		} else {
			/* we have desc, depends or deltas - parse it */
			if(sync_db_read(db, archive, entry, &pkg) != 0) {
				_alpm_log(db->handle, ALPM_LOG_ERROR,
						_("could not parse package description file '%s' from db '%s'\n"),
						archive_entry_pathname(entry), db->treename);
				continue;
			}
		}
	}

	count = alpm_list_count(db->pkgcache->list);

	if(count > 0) {
		db->pkgcache->list = alpm_list_msort(db->pkgcache->list, (size_t)count, _alpm_pkg_cmp);
	}
	archive_read_finish(archive);
	_alpm_log(db->handle, ALPM_LOG_DEBUG, "added %d packages to package cache for db '%s'\n",
			count, db->treename);

	return count;
}