xbps/lib/repository_pool.c

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/*-
* Copyright (c) 2009-2012 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 <sys/utsname.h>
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <libgen.h>
#include <string.h>
#include <errno.h>
#include "xbps_api_impl.h"
/**
* @file lib/repository_pool.c
* @brief Repository pool routines
* @defgroup repopool Repository pool functions
*/
/*
* Returns true if repository URI contains "noarch" or matching architecture
* in last component, false otherwise.
*/
static bool
check_repo_arch(const char *uri)
{
struct utsname un;
char *p, *b;
if ((p = strdup(uri)) == NULL)
return false;
uname(&un);
b = basename(p);
if ((strcmp(b, "noarch")) && (strcmp(b, un.machine))) {
free(p);
return false;
}
free(p);
return true;
}
int HIDDEN
xbps_repository_pool_init(struct xbps_handle *xhp)
{
prop_dictionary_t d = NULL;
prop_array_t array;
size_t i, ntotal = 0, nmissing = 0;
const char *repouri;
char *plist;
int rv = 0;
if (xhp->repo_pool != NULL)
return 0;
else if (xhp->cfg == NULL)
return ENOTSUP;
xhp->repo_pool = prop_array_create();
if (xhp->repo_pool == NULL)
return ENOMEM;
for (i = 0; i < cfg_size(xhp->cfg, "repositories"); i++) {
repouri = cfg_getnstr(xhp->cfg, "repositories", i);
ntotal++;
/*
* Check if repository doesn't match our architecture.
*/
if (!check_repo_arch(repouri)) {
xbps_dbg_printf("[rpool] `%s' arch not matched, "
"ignoring.\n", repouri);
nmissing++;
continue;
}
/*
* If index file is not there, skip.
*/
plist = xbps_pkg_index_plist(repouri);
if (plist == NULL) {
rv = errno;
goto out;
}
if (access(plist, R_OK) == -1) {
xbps_dbg_printf("[rpool] `%s' missing index "
"file, ignoring.\n", repouri);
free(plist);
nmissing++;
continue;
}
/*
* Register repository into the array.
*/
d = prop_dictionary_create();
if (d == NULL) {
rv = ENOMEM;
free(plist);
goto out;
}
if (!prop_dictionary_set_cstring_nocopy(d, "uri", repouri)) {
rv = EINVAL;
prop_object_release(d);
free(plist);
goto out;
}
array = prop_array_internalize_from_zfile(plist);
if (array == NULL) {
rv = EINVAL;
prop_object_release(d);
free(plist);
goto out;
}
free(plist);
prop_array_make_immutable(array);
if (!xbps_add_obj_to_dict(d, array, "index")) {
rv = EINVAL;
prop_object_release(d);
goto out;
}
if (!prop_array_add(xhp->repo_pool, d)) {
rv = EINVAL;
prop_object_release(d);
goto out;
}
xbps_dbg_printf("[rpool] `%s' registered.\n", repouri);
}
if (ntotal - nmissing == 0) {
/* no repositories available, error out */
rv = ENOTSUP;
goto out;
}
xbps_dbg_printf("[rpool] initialized ok.\n");
out:
if (rv != 0)
xbps_repository_pool_release(xhp);
return rv;
}
void HIDDEN
xbps_repository_pool_release(struct xbps_handle *xhp)
{
prop_dictionary_t d;
size_t i;
const char *uri;
if (xhp->repo_pool == NULL)
return;
for (i = 0; i < prop_array_count(xhp->repo_pool); i++) {
d = prop_array_get(xhp->repo_pool, i);
prop_dictionary_get_cstring_nocopy(d, "uri", &uri);
xbps_dbg_printf("[rpool] unregistered repository '%s'\n", uri);
prop_object_release(d);
}
prop_object_release(xhp->repo_pool);
xhp->repo_pool = NULL;
xbps_dbg_printf("[rpool] released ok.\n");
}
int
xbps_repository_pool_sync(void)
{
const struct xbps_handle *xhp = xbps_handle_get();
const char *repouri;
size_t i;
int rv;
if (xhp->cfg == NULL)
return ENOTSUP;
for (i = 0; i < cfg_size(xhp->cfg, "repositories"); i++) {
repouri = cfg_getnstr(xhp->cfg, "repositories", i);
/*
* Check if repository doesn't match our architecture.
*/
if (!check_repo_arch(repouri)) {
xbps_dbg_printf("[rpool] `%s' arch not matched, "
"ignoring.\n", repouri);
continue;
}
/*
* Fetch repository plist index.
*/
rv = xbps_repository_sync_pkg_index(repouri, XBPS_PKGINDEX);
if (rv == -1) {
xbps_dbg_printf("[rpool] `%s' failed to fetch: %s\n",
repouri, fetchLastErrCode == 0 ?
strerror(errno) : xbps_fetch_error_string());
continue;
}
/*
* Fetch repository plist files index.
*/
rv = xbps_repository_sync_pkg_index(repouri,
XBPS_PKGINDEX_FILES);
if (rv == -1) {
xbps_dbg_printf("[rpool] `%s' failed to fetch: %s\n",
repouri, fetchLastErrCode == 0 ?
strerror(errno) : xbps_fetch_error_string());
continue;
}
}
return 0;
}
int
xbps_repository_pool_foreach(
int (*fn)(struct repository_pool_index *, void *, bool *),
void *arg)
{
prop_dictionary_t d;
struct xbps_handle *xhp = xbps_handle_get();
struct repository_pool_index rpi;
size_t i;
int rv = 0;
bool done = false;
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assert(fn != NULL);
/* Initialize repository pool */
if ((rv = xbps_repository_pool_init(xhp)) != 0) {
if (rv == ENOTSUP) {
xbps_dbg_printf("[rpool] empty repository list.\n");
} else if (rv != ENOENT && rv != ENOTSUP) {
xbps_dbg_printf("[rpool] couldn't initialize: %s\n",
strerror(rv));
}
return rv;
}
/* Iterate over repository pool */
for (i = 0; i < prop_array_count(xhp->repo_pool); i++) {
d = prop_array_get(xhp->repo_pool, i);
prop_dictionary_get_cstring_nocopy(d, "uri", &rpi.rpi_uri);
rpi.rpi_repo = prop_dictionary_get(d, "index");
rpi.rpi_index = i;
rv = (*fn)(&rpi, arg, &done);
if (rv != 0 || done)
break;
}
return rv;
}