xbps/lib/package_metadir.c
Juan RP b0fab7a3ee Implemented a cache to get pkg dicts from metadir.
This improves xbps-pkgdb -a marginally, but still seems to be a bit slow.
2012-11-16 21:50:52 +01:00

107 lines
3.0 KiB
C

/*-
* Copyright (c) 2012 Juan Romero Pardines.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "xbps_api_impl.h"
void HIDDEN
xbps_metadir_init(struct xbps_handle *xhp)
{
assert(xhp != NULL);
if (xhp->metadir_pool != NULL)
return;
xhp->metadir_pool = prop_array_create();
assert(xhp->metadir_pool);
}
void HIDDEN
xbps_metadir_release(struct xbps_handle *xhp)
{
prop_object_t obj;
unsigned int i;
if (xhp->metadir_pool == NULL)
return;
for (i = 0; i < prop_array_count(xhp->metadir_pool); i++) {
obj = prop_array_get(xhp->metadir_pool, i);
prop_object_release(obj);
}
prop_object_release(xhp->metadir_pool);
xhp->metadir_pool = NULL;
}
prop_dictionary_t
xbps_metadir_get_pkgd(struct xbps_handle *xhp, const char *name)
{
prop_dictionary_t pkgd, opkgd;
const char *savedpkgname;
char *plistf;
assert(xhp);
assert(name);
xbps_metadir_init(xhp);
pkgd = xbps_find_pkg_in_array_by_name(xhp, xhp->metadir_pool,
name, NULL);
if (pkgd != NULL)
return pkgd;
savedpkgname = name;
plistf = xbps_xasprintf("%s/.%s.plist", xhp->metadir, name);
if (access(plistf, R_OK) == -1) {
pkgd = xbps_find_virtualpkg_dict_installed(xhp, name, false);
if (pkgd == NULL)
pkgd = xbps_find_pkg_dict_installed(xhp, name, false);
if (pkgd != NULL) {
free(plistf);
prop_dictionary_get_cstring_nocopy(pkgd,
"pkgname", &savedpkgname);
plistf = xbps_xasprintf("%s/.%s.plist",
xhp->metadir, savedpkgname);
}
}
opkgd = prop_dictionary_internalize_from_zfile(plistf);
free(plistf);
if (opkgd == NULL) {
xbps_dbg_printf(xhp, "cannot read %s metadata: %s\n",
savedpkgname, strerror(errno));
return NULL;
}
prop_array_add(xhp->metadir_pool, opkgd);
return opkgd;
}