e7fa35baa2
Our callbacks require front-ends to maintain state in order to provide reasonable output. The new download callback in particular requires much more complex state information to be saved. Without the ability to provide context, state must be saved globally, which may not be possible for all front-ends. Scripting language bindings in particular have no way to register per-handle callbacks without some form of context. Implements: FS#12721 Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
131 lines
4.2 KiB
C
131 lines
4.2 KiB
C
/*
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* handle.h
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*
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* Copyright (c) 2006-2021 Pacman Development Team <pacman-dev@archlinux.org>
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* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ALPM_HANDLE_H
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#define ALPM_HANDLE_H
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#include <stdio.h>
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#include <sys/types.h>
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#include <regex.h>
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#include "alpm_list.h"
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#include "alpm.h"
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#ifdef HAVE_LIBCURL
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#include <curl/curl.h>
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#endif
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#define EVENT(h, e) \
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do { \
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if((h)->eventcb) { \
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(h)->eventcb((h)->eventcb_ctx, (alpm_event_t *) (e)); \
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} \
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} while(0)
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#define QUESTION(h, q) \
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do { \
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if((h)->questioncb) { \
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(h)->questioncb((h)->questioncb_ctx, (alpm_question_t *) (q)); \
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} \
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} while(0)
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#define PROGRESS(h, e, p, per, n, r) \
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do { \
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if((h)->progresscb) { \
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(h)->progresscb((h)->progresscb_ctx, e, p, per, n, r); \
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} \
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} while(0)
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struct __alpm_handle_t {
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/* internal usage */
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alpm_db_t *db_local; /* local db pointer */
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alpm_list_t *dbs_sync; /* List of (alpm_db_t *) */
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FILE *logstream; /* log file stream pointer */
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alpm_trans_t *trans;
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#ifdef HAVE_LIBCURL
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/* libcurl handle */
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CURLM *curlm;
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alpm_list_t *server_errors;
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#endif
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unsigned short disable_dl_timeout;
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unsigned int parallel_downloads; /* number of download streams */
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#ifdef HAVE_LIBGPGME
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alpm_list_t *known_keys; /* keys verified to be in our keychain */
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#endif
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/* callback functions */
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alpm_cb_log logcb; /* Log callback function */
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void *logcb_ctx;
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alpm_cb_download dlcb; /* Download callback function */
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void *dlcb_ctx;
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alpm_cb_fetch fetchcb; /* Download file callback function */
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void *fetchcb_ctx;
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alpm_cb_event eventcb;
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void *eventcb_ctx;
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alpm_cb_question questioncb;
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void *questioncb_ctx;
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alpm_cb_progress progresscb;
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void *progresscb_ctx;
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/* filesystem paths */
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char *root; /* Root path, default '/' */
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char *dbpath; /* Base path to pacman's DBs */
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char *logfile; /* Name of the log file */
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char *lockfile; /* Name of the lock file */
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char *gpgdir; /* Directory where GnuPG files are stored */
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alpm_list_t *cachedirs; /* Paths to pacman cache directories */
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alpm_list_t *hookdirs; /* Paths to hook directories */
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alpm_list_t *overwrite_files; /* Paths that may be overwritten */
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/* package lists */
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alpm_list_t *noupgrade; /* List of packages NOT to be upgraded */
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alpm_list_t *noextract; /* List of files NOT to extract */
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alpm_list_t *ignorepkg; /* List of packages to ignore */
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alpm_list_t *ignoregroup; /* List of groups to ignore */
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alpm_list_t *assumeinstalled; /* List of virtual packages used to satisfy dependencies */
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/* options */
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alpm_list_t *architectures; /* Architectures of packages we should allow */
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int usesyslog; /* Use syslog instead of logfile? */ /* TODO move to frontend */
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int checkspace; /* Check disk space before installing */
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char *dbext; /* Sync DB extension */
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int siglevel; /* Default signature verification level */
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int localfilesiglevel; /* Signature verification level for local file
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upgrade operations */
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int remotefilesiglevel; /* Signature verification level for remote file
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upgrade operations */
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/* error code */
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alpm_errno_t pm_errno;
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/* lock file descriptor */
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int lockfd;
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};
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alpm_handle_t *_alpm_handle_new(void);
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void _alpm_handle_free(alpm_handle_t *handle);
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int _alpm_handle_lock(alpm_handle_t *handle);
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int _alpm_handle_unlock(alpm_handle_t *handle);
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alpm_errno_t _alpm_set_directory_option(const char *value,
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char **storage, int must_exist);
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#endif /* ALPM_HANDLE_H */
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