lib/libalpm/handle.h


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/*
 *  handle.h
 *
 *  Copyright (c) 2006-2013 Pacman Development Team <pacman-dev@archlinux.org>
 *  Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef _ALPM_HANDLE_H
#define _ALPM_HANDLE_H

#include <stdio.h>
#include <sys/types.h>
#include <regex.h>

#include "alpm_list.h"
#include "alpm.h"

#ifdef HAVE_LIBCURL
#include <curl/curl.h>
#endif

#define EVENT(h, e, d1, d2) \
do { \
  if((h)->eventcb) { \
    (h)->eventcb(e, d1, d2); \
  } \
} while(0)
#define QUESTION(h, q, d1, d2, d3, r) \
do { \
  if((h)->questioncb) { \
    (h)->questioncb(q, d1, d2, d3, r); \
  } \
} while(0)
#define PROGRESS(h, e, p, per, n, r) \
do { \
  if((h)->progresscb) { \
    (h)->progresscb(e, p, per, n, r); \
  } \
} while(0)

struct __alpm_handle_t {
  /* internal usage */
  alpm_db_t *db_local;    /* local db pointer */
  alpm_list_t *dbs_sync;  /* List of (alpm_db_t *) */
  FILE *logstream;        /* log file stream pointer */
  int lockfd;             /* lock file descriptor */
  alpm_trans_t *trans;

#ifdef HAVE_LIBCURL
  /* libcurl handle */
  CURL *curl;             /* reusable curl_easy handle */
#endif

  /* callback functions */
  alpm_cb_log logcb;          /* Log callback function */
  alpm_cb_download dlcb;      /* Download callback function */
  alpm_cb_totaldl totaldlcb;  /* Total download callback function */
  alpm_cb_fetch fetchcb;      /* Download file callback function */
  alpm_cb_event eventcb;
  alpm_cb_question questioncb;
  alpm_cb_progress progresscb;

  /* filesystem paths */
  char *root;              /* Root path, default '/' */
  char *dbpath;            /* Base path to pacman's DBs */
  char *logfile;           /* Name of the log file */
  char *lockfile;          /* Name of the lock file */
  char *gpgdir;            /* Directory where GnuPG files are stored */
  alpm_list_t *cachedirs;  /* Paths to pacman cache directories */

  /* package lists */
  alpm_list_t *noupgrade;   /* List of packages NOT to be upgraded */
  alpm_list_t *noextract;   /* List of files NOT to extract */
  alpm_list_t *ignorepkg;   /* List of packages to ignore */
  alpm_list_t *ignoregroup; /* List of groups to ignore */

  /* options */
  char *arch;              /* Architecture of packages we should allow */
  double deltaratio;       /* Download deltas if possible; a ratio value */
  int usesyslog;           /* Use syslog instead of logfile? */ /* TODO move to frontend */
  int checkspace;          /* Check disk space before installing */
  alpm_siglevel_t siglevel;   /* Default signature verification level */
  alpm_siglevel_t localfilesiglevel;  /* Signature verification level for local file
                                         upgrade operations */
  alpm_siglevel_t remotefilesiglevel; /* Signature verification level for remote file
                                         upgrade operations */

  /* error code */
  alpm_errno_t pm_errno;

  /* for delta parsing efficiency */
  int delta_regex_compiled;
  regex_t delta_regex;
};

alpm_handle_t *_alpm_handle_new(void);
void _alpm_handle_free(alpm_handle_t *handle);

int _alpm_handle_lock(alpm_handle_t *handle);
int _alpm_handle_unlock(alpm_handle_t *handle);

alpm_errno_t _alpm_set_directory_option(const char *value,
    char **storage, int must_exist);

#endif /* _ALPM_HANDLE_H */

/* vim: set ts=2 sw=2 noet: */