250 lines
7.2 KiB
C
250 lines
7.2 KiB
C
/*-
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* Copyright (c) 2012-2013 Juan Romero Pardines.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/stat.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <dirent.h>
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#include <libgen.h>
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#include <assert.h>
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#include <pthread.h>
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#include <fcntl.h>
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#include <xbps_api.h>
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#include "defs.h"
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struct thread_data {
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pthread_t thread;
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prop_dictionary_t idx;
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prop_dictionary_t idxfiles;
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prop_array_t result;
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prop_array_t result_files;
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struct xbps_handle *xhp;
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unsigned int start;
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unsigned int end;
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int thread_num;
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};
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static void *
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cleaner_thread(void *arg)
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{
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prop_object_t obj;
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prop_dictionary_t pkgd;
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prop_array_t array;
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struct thread_data *thd = arg;
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char *filen;
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const char *pkgver, *arch, *sha256;
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unsigned int i;
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/* process pkgs from start until end */
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array = prop_dictionary_all_keys(thd->idx);
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for (i = thd->start; i < thd->end; i++) {
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obj = prop_array_get(array, i);
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pkgd = prop_dictionary_get_keysym(thd->idx, obj);
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prop_dictionary_get_cstring_nocopy(pkgd, "architecture", &arch);
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prop_dictionary_get_cstring_nocopy(pkgd, "pkgver", &pkgver);
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filen = xbps_xasprintf("%s.%s.xbps", pkgver, arch);
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xbps_dbg_printf(thd->xhp, "thread[%d] checking %s\n",
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thd->thread_num, pkgver);
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if (access(filen, R_OK) == -1) {
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/*
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* File cannot be read, might be permissions,
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* broken or simply unexistent; either way, remove it.
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*/
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prop_array_add_cstring_nocopy(thd->result, pkgver);
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free(filen);
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continue;
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}
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/*
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* File can be read; check its hash.
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*/
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prop_dictionary_get_cstring_nocopy(pkgd,
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"filename-sha256", &sha256);
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if (xbps_file_hash_check(filen, sha256) != 0)
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prop_array_add_cstring_nocopy(thd->result, pkgver);
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free(filen);
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}
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prop_object_release(array);
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return NULL;
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}
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static void *
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cleaner_files_thread(void *arg)
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{
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prop_object_t obj;
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prop_array_t array;
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prop_dictionary_t ipkgd;
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struct thread_data *thd = arg;
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const char *pkgver, *ipkgver;
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char *pkgname;
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unsigned int i;
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/* process pkgs from start until end */
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array = prop_dictionary_all_keys(thd->idxfiles);
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for (i = thd->start; i < thd->end; i++) {
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obj = prop_array_get(array, i);
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pkgver = prop_dictionary_keysym_cstring_nocopy(obj);
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pkgname = xbps_pkg_name(pkgver);
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assert(pkgname);
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ipkgd = prop_dictionary_get(thd->idx, pkgname);
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/* If pkg is not registered in index, remove it */
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if (ipkgd == NULL)
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prop_array_add_cstring_nocopy(thd->result_files, pkgver);
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/* if another version is registered in index, remove it */
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else {
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prop_dictionary_get_cstring_nocopy(ipkgd, "pkgver", &ipkgver);
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if (strcmp(ipkgver, pkgver))
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prop_array_add_cstring_nocopy(thd->result_files, pkgver);
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}
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free(pkgname);
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}
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prop_object_release(array);
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return NULL;
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}
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/*
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* Removes stalled pkg entries in repository's index.plist file, if any
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* binary package cannot be read (unavailable, not enough perms, etc).
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*/
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int
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index_clean(struct xbps_handle *xhp, const char *repodir)
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{
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struct xbps_repo *repo;
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struct thread_data *thd;
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prop_dictionary_t idx, idxfiles;
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const char *keyname;
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char *pkgname;
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unsigned int x, pkgcount, slicecount;
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int i, maxthreads, rv = 0;
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bool flush = false;
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repo = xbps_repo_open(xhp, repodir);
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if (repo == NULL) {
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if (errno == ENOENT)
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return 0;
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fprintf(stderr, "index: cannot read repository data: %s\n", strerror(errno));
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return -1;
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}
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idx = xbps_repo_get_plist(repo, XBPS_PKGINDEX);
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idxfiles = xbps_repo_get_plist(repo, XBPS_PKGINDEX_FILES);
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xbps_repo_close(repo);
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if (idx == NULL || idxfiles == NULL) {
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fprintf(stderr, "incomplete repository data file!");
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return -1;
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}
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if (chdir(repodir) == -1) {
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fprintf(stderr, "index: cannot chdir to %s: %s\n",
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repodir, strerror(errno));
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return -1;
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}
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printf("Cleaning `%s' index, please wait...\n", repodir);
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maxthreads = (int)sysconf(_SC_NPROCESSORS_ONLN);
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thd = calloc(maxthreads, sizeof(*thd));
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slicecount = prop_dictionary_count(idx) / maxthreads;
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pkgcount = 0;
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/* Setup threads to cleanup index and index-files */
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for (i = 0; i < maxthreads; i++) {
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thd[i].thread_num = i;
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thd[i].idx = idx;
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thd[i].result = prop_array_create();
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thd[i].xhp = xhp;
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thd[i].start = pkgcount;
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if (i + 1 >= maxthreads)
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thd[i].end = prop_dictionary_count(idx);
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else
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thd[i].end = pkgcount + slicecount;
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pthread_create(&thd[i].thread, NULL, cleaner_thread, &thd[i]);
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pkgcount += slicecount;
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}
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/* wait for all threads */
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for (i = 0; i < maxthreads; i++)
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pthread_join(thd[i].thread, NULL);
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/* Setup threads to cleanup index-files */
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slicecount = prop_dictionary_count(idxfiles) / maxthreads;
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pkgcount = 0;
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for (i = 0; i < maxthreads; i++) {
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thd[i].thread_num = i;
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thd[i].idx = idx;
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thd[i].idxfiles = idxfiles;
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thd[i].result_files = prop_array_create();
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thd[i].xhp = xhp;
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thd[i].start = pkgcount;
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if (i + 1 >= maxthreads)
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thd[i].end = prop_dictionary_count(idxfiles);
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else
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thd[i].end = pkgcount + slicecount;
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pthread_create(&thd[i].thread, NULL, cleaner_files_thread, &thd[i]);
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pkgcount += slicecount;
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}
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/* wait for all threads */
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for (i = 0; i < maxthreads; i++)
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pthread_join(thd[i].thread, NULL);
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for (i = 0; i < maxthreads; i++) {
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for (x = 0; x < prop_array_count(thd[i].result); x++) {
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prop_array_get_cstring_nocopy(thd[i].result,
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x, &keyname);
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printf("index: removed entry %s\n", keyname);
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pkgname = xbps_pkg_name(keyname);
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prop_dictionary_remove(idx, pkgname);
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prop_dictionary_remove(idxfiles, keyname);
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free(pkgname);
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flush = true;
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}
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for (x = 0; x < prop_array_count(thd[i].result_files); x++) {
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prop_array_get_cstring_nocopy(thd[i].result_files,
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x, &keyname);
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printf("index-files: removed entry %s\n", keyname);
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prop_dictionary_remove(idxfiles, keyname);
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flush = true;
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}
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}
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if (flush) {
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rv = repodata_flush(xhp, repodir, idx, idxfiles);
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if (rv != 0)
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return rv;
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}
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printf("index: %u packages registered.\n",
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prop_dictionary_count(idx));
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printf("index-files: %u packages registered.\n",
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prop_dictionary_count(idxfiles));
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prop_object_release(idx);
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prop_object_release(idxfiles);
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return rv;
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}
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