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xbps/include/xbps_api.h
Juan RP 0277d5b103 Bump XBPS_RELVER for today's changes.
2011-01-29 17:16:25 +01:00

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/*-
* Copyright (c) 2008-2011 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.
*-
*/
#ifndef _XBPS_API_H_
#define _XBPS_API_H_
#include <stdio.h>
#include <inttypes.h>
#include <archive.h>
#include <archive_entry.h>
#include <prop/proplib.h>
#ifdef __cplusplus
# define __BEGIN_DECLS extern "C" {
# define __END_DECLS }
#else
# define __BEGIN_DECLS
# define __END_DECLS
#endif
/**
* @file include/xbps_api.h
* @brief XBPS Library API header
*
* This header documents the full API for the XBPS Library.
*/
/**
* @def XBPS_RELVER
* Current library release date.
*/
#define XBPS_RELVER "20110129"
/**
* @def XBPS_META_PATH
* Default root PATH to store metadata info.
*/
#define XBPS_META_PATH "/var/db/xbps"
/**
* @def XBPS_CACHE_PATH
* Default cache PATH to store downloaded binpkgs.
*/
#define XBPS_CACHE_PATH "/var/cache/xbps"
/**
* @def XBPS_REPOLIST
* Filename for the global repository property list.
*/
#define XBPS_REPOLIST "repositories.plist"
/**
* @def XBPS_REGPKGDB
* Filename for the global package register database.
*/
#define XBPS_REGPKGDB "regpkgdb.plist"
/**
* @def XBPS_PKGPROPS
* Filename for package metadata property list.
*/
#define XBPS_PKGPROPS "props.plist"
/**
* @def XBPS_PKGFILES
* Filename for package metadata files property list.
*/
#define XBPS_PKGFILES "files.plist"
/**
* @def XBPS_PKGINDEX
* Filename for the repository package index property list.
*/
#define XBPS_PKGINDEX "pkg-index.plist"
/**
* @def XBPS_PKGINDEX_VERSION
* Current version for the repository package index format.
*/
#define XBPS_PKGINDEX_VERSION "1.1"
/**
* @def XBPS_FLAG_VERBOSE
* Verbose flag used in xbps_unpack_binary_pkg() (for now).
* Must be set through the xbps_set_flags() function.
*/
#define XBPS_FLAG_VERBOSE 0x00000001
/**
* @def XBPS_FLAG_FORCE
* Force flag used in xbps_configure_pkg() (for now).
* Must be set through the xbps_set_flags() function.
*/
#define XBPS_FLAG_FORCE 0x00000002
__BEGIN_DECLS
void xbps_printf(const char *, ...);
void xbps_dbg_printf(const char *, ...);
void xbps_dbg_printf_append(const char *, ...);
void xbps_error_printf(const char *, ...);
void xbps_warn_printf(const char *, ...);
/** @addtogroup initend */
/*@{*/
/**
* Initialize the XBPS library with the following steps:
*
* - Sets default cache connections for libfetch.
*
* - Initializes the debug printfs.
*
* @param[in] debug If true, debugging output will be shown to stderr.
*/
void xbps_init(bool debug);
/**
* Releases all resources used by the XBPS library.
*/
void xbps_end(void);
/*@}*/
/** @addtogroup configure */
/*@{*/
/**
* Configure (or force reconfiguration of) a package.
*
* @param[in] pkgname Package name to configure.
* @param[in] version Package version (<b>optional</b>).
* @param[in] check_state Set it to true to check that package is
* in unpacked state.
* @param[in] update Set it to true if this package is being updated.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_configure_pkg(const char *pkgname,
const char *version,
bool check_state,
bool update);
/**
* Configure (or force reconfiguration of) all packages.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_configure_all_pkgs(void);
/*@}*/
/**
* @ingroup vermatch
*
* Compares package version strings.
*
* The package version is defined by:
* ${VERSION}[_${REVISION}][:${EPOCH}].
*
* ${EPOCH} supersedes ${VERSION} supersedes ${REVISION}.
*
* @param[in] pkg1 a package version string.
* @param[in] pkg2 a package version string.
*
* @return -1, 0 or 1 depending if pkg1 is less than, equal to or
* greater than pkg2.
*/
int xbps_cmpver(const char *pkg1, const char *pkg2);
/** @addtogroup download */
/*@{*/
/**
* @struct xbps_fetch_progress_data xbps_api.h "xbps_api.h"
* @brief Structure to be passed to the fetch progress function callback.
*
* This structure is passed as argument to the fetch progress function
* callback and its members will be updated when there's any progress.
* All members marked as read-only in this struct are set internally by
* xbps_unpack_binary_pkg() and shouldn't be modified in the passed
* function callback.
*/
struct xbps_fetch_progress_data {
/**
* @var file_size
*
* Filename size for the file to be fetched (set internally,
* read only).
*/
off_t file_size;
/**
* @var file_offset
*
* Current offset for the filename being fetched (set internally,
* read only).
*/
off_t file_offset;
/**
* @var file_dloaded
*
* Bytes downloaded for the file being fetched (set internally).
*/
off_t file_dloaded;
/**
* @var file_name
*
* File name being fetched (set internally, read only).
*/
const char *file_name;
/**
* @var cb_start
*
* If true the function callback should be prepared to start
* the transfer progress (set internally, read only).
*/
bool cb_start;
/**
* var cb_update
*
* If true the function callback should be prepared to
* update the transfer progress (set internally, read only).
*/
bool cb_update;
/**
* var cb_end
*
* If true the function callback should be prepated to
* end the transfer progress (set internally, read only).
*/
bool cb_end;
/**
* @var cookie
*
* Pointer to private user data.
*/
void *cookie;
};
/**
* Download a file from a remote URL.
*
* @param[in] uri Remote URI string.
* @param[in] outputdir Directory string to store downloaded file.
* @param[in] refetch If true and local/remote size/mtime do not match,
* fetch the file from scratch.
* @param[in] flags Flags passed to libfetch's fetchXget().
* @param[in] progress_cb Pointer to a function callback to update the
* the fetch progress.
* @param[in] xfpd Pointer to a xbps_fetch_progress_data struct to be
* passed to the \a progress_cb callback as its argument.
*
* @return -1 on error, 0 if not downloaded (because local/remote size/mtime
* do not match) and 1 if downloaded successfully.
**/
int xbps_fetch_file(const char *uri,
const char *outputdir,
bool refetch,
const char *flags,
void (*progress_cb)(void *),
struct xbps_fetch_progress_data *xfpd);
/**
* Returns last error string reported by xbps_fetch_file().
*
* @return A string with the appropiate error message.
*/
const char *xbps_fetch_error_string(void);
/*@}*/
/**
* @ingroup pkg_orphans
*
* Finds all package orphans currently installed.
*
* @return A proplib array of dictionaries with all orphans found,
* on error NULL is returned and errno is set appropiately.
*/
prop_array_t xbps_find_pkg_orphans(void);
/**
* @ingroup vermatch
*
* Package pattern matching.
*
* @param[in] instpkg Package/version string of an installed package.
* @param[in] pattern Pattern required for \a instpkg to match.
*
* @return 1 if \a instpkg is matched against \a pattern, 0 if no match.
*/
int xbps_pkgpattern_match(const char *instpkg, char *pattern);
/** @addtogroup plist */
/*@{*/
/**
* Adds a proplib object into a proplib dictionary with specified key.
*
* @param[in] dict Proplib dictionary to insert the object to.
* @param[in] obj Proplib object to be inserted.
* @param[in] key Key associated with \a obj.
*
* @return true on success, false otherwise and errno set appropiately.
*/
bool xbps_add_obj_to_dict(prop_dictionary_t dict,
prop_object_t obj,
const char *key);
/**
* Adds a proplib object into a proplib array.
*
* @param[in] array Proplib array to insert the object to.
* @param[in] obj Proplib object to be inserted.
*
* @return true on success, false otherwise and xbps_errno set appropiately.
*/
bool xbps_add_obj_to_array(prop_array_t array, prop_object_t obj);
/**
* Executes a function callback specified in \a fn with \a arg paassed
* as its argument into they array \a array.
*
* @param[in] array Proplib array to iterate.
* @param[in] fn Function callback to run on every object in the array.
* While running the function callback, the hird parameter (a pointer to
* a boolean) can be set to true to stop immediately the loop.
* @param[in] arg Argument to be passed to the function callback.
*
* @return 0 on success, otherwise an errno value is set appropiately.
*/
int xbps_callback_array_iter(prop_array_t array,
int (*fn)(prop_object_t, void *, bool *),
void *arg);
/**
* Executes a function callback into the array associated with key \a key,
* contained in a proplib dictionary.
*
* @param[in] dict Proplib dictionary where the array resides.
* @param[in] key Key associated with array.
* @param[in] fn Function callback to run on every
* object in the array. While running the function callback, the third
* parameter (a pointer to a boolean) can be set to true to stop
* immediately the loop.
* @param[in] arg Argument to be passed to the function callback.
*
* @return 0 on success (all objects were processed), otherwise an
* errno value is set appropiately.
*/
int xbps_callback_array_iter_in_dict(prop_dictionary_t dict,
const char *key,
int (*fn)(prop_object_t, void *, bool *),
void *arg);
/**
* Executes a function callback (in reverse order) into the array
* associated with key \a key, contained in a proplib dictionary.
*
* @param[in] dict Proplib dictionary where the array resides.
* @param[in] key Key associated with array.
* @param[in] fn Function callback to run on every
* object in the array. While running the function callback, the third
* parameter (a pointer to a boolean) can be set to true to stop
* immediately the loop.
* @param[in] arg Argument to be passed to the function callback.
*
* @return 0 on success (all objects were processed), otherwise an
* errno value is set appropiately.
*/
int xbps_callback_array_iter_reverse_in_dict(prop_dictionary_t dict,
const char *key,
int (*fn)(prop_object_t, void *, bool *),
void *arg);
/**
* Finds the proplib's dictionary associated with a package, by looking
* it via its name in a proplib dictionary.
*
* @param[in] dict Proplib dictionary to look for the package dictionary.
* @param[in] key Key associated with the array that stores package's dictionary.
* @param[in] pkgname Package name to look for.
*
* @return The package's proplib dictionary on success, NULL otherwise and
* errno is set appropiately.
*/
prop_dictionary_t xbps_find_pkg_in_dict_by_name(prop_dictionary_t dict,
const char *key,
const char *pkgname);
/**
* Finds the proplib's dictionary associated with a package, by looking
* at it via a package pattern in a proplib dictionary.
*
* @param[in] dict Proplib dictionary to look for the package dictionary.
* @param[in] key Key associated with the array storing the package's dictionary.
* @param[in] pattern Package pattern to match.
*
* @return The package's proplib dictionary on success, NULL otherwise
* and errno is set appropiately.
*/
prop_dictionary_t xbps_find_pkg_in_dict_by_pattern(prop_dictionary_t dict,
const char *key,
const char *pattern);
/**
* Finds the package's proplib dictionary in a plist file by specifying
* a package name.
*
* @param[in] plist Path to a plist file.
* @param[in] pkgname Package name to look for.
*
* @return The package's proplib dictionary on success, NULL otherwise and
* errno is set appropiately. Returned dictionary is copied via
* prop_dictionary_copy(), which means that caller is responsible to
* release the object with prop_object_release() when done.
*/
prop_dictionary_t xbps_find_pkg_dict_from_plist_by_name(const char *plist,
const char *pkgname);
/**
* Finds a package's dictionary searching in the registered packages
* database by using a package name or a package pattern.
*
* @param[in] str Package name or package pattern.
* @param[in] bypattern Set it to true to find the package dictionary
* by using a package pattern. If false, \a str is assumed to be a package name.
*
* @return The package's dictionary on success, NULL otherwise and
* errno is set appropiately. Returned dictionary is copied via
* prop_dictionary_copy(), which means that caller is responsible to
* release the object with prop_object_release() when done.
*/
prop_dictionary_t xbps_find_pkg_dict_installed(const char *str,
bool bypattern);
/**
* Finds a virtual package by looking at package's dictionary by
* using a package name or a package pattern.
*
* @param[in] pkgd Package dictionary.
* @param[in] str Virtual package name or package pattern.
* @param[in] bypattern If true, \a str should be a package name,
* otherwise it should be a package pattern.
*
* @return True if package dictionary matches the virtual package
* name or pattern, false otherwise.
*/
bool xbps_find_virtual_pkg_in_dict(prop_dictionary_t pkgd,
const char *str,
bool bypattern);
/**
* Finds a package dictionary in a proplib array by matching a package name.
*
* @param[in] array The proplib array where to look for.
* @param[in] name The package name to match.
*
* @return true on success, false otherwise and errno is set appropiately.
*/
prop_dictionary_t xbps_find_pkg_in_array_by_name(prop_array_t array,
const char *name);
/**
* Finds a package dictionary in a proplib array by matching a package pattern.
*
* @param[in] array The proplib array where to look for.
* @param[in] pattern The package pattern to match.
*
* @return true on success, false otherwise and errno is set appropiately.
*/
prop_dictionary_t xbps_find_pkg_in_array_by_pattern(prop_array_t array,
const char *pattern);
/**
* Finds a package name matching an string object in a proplib array.
*
* @param[in] array The proplib array where to look for.
* @param[in] pkgname The package name to match.
*
* @return true on success, false otherwise and errno is set appropiately.
*/
bool xbps_find_pkgname_in_array(prop_array_t array, const char *pkgname);
/**
* Finds a package pattern matching an string object in a proplib array.
*
* @param[in] array The proplib array where to look for.
* @param[in] pattern The package pattern to match.
*
* @return true on success, false otherwise and errno is set appropiately.
*/
bool xbps_find_pkgpattern_in_array(prop_array_t array, const char *pattern);
/**
* Finds a string matching an object in a proplib array.
*
* @param[in] array The proplib array where to look for.
* @param[in] val The value of string to match.
*
* @return true on success, false otherwise and errno is set appropiately.
*/
bool xbps_find_string_in_array(prop_array_t array, const char *val);
/**
* Gets a proplib object iterator associated with an array, contained
* in a proplib dictionary matching a key.
*
* @param[in] dict Proplib dictionary where to look for the array.
* @param[in] key Key associated with the array.
*
* @return A proplib object iterator on success, NULL otherwise and
* errno is set appropiately.
*/
prop_object_iterator_t xbps_get_array_iter_from_dict(prop_dictionary_t dict,
const char *key);
/**
* Get a proplib object dictionary associated with the installed package
* \a pkgn, by internalizing its plist file defined by \a plist.
*
* @param[in] pkgn Package name of installed package.
* @param[in] plist Package metadata property list file.
*
* @return The proplib object dictionary on success, NULL otherwise and
* errno is set appropiately.
*/
prop_dictionary_t xbps_get_pkg_dict_from_metadata_plist(const char *pkgn,
const char *plist);
/**
* Removes the package's proplib dictionary matching \a pkgname
* in a plist file.
*
* @param[in] name Package name to match in plist's dictionary.
* @param[in] plist Path to a plist file.
*
* @return true on success, false otherwise and errno is set appropiately.
*/
bool xbps_remove_pkg_dict_from_plist_by_name(const char *name,
const char *plist);
/**
* Removes the package's proplib dictionary matching \a pkgname
* in a proplib array.
*
* @param[in] array Proplib array where to look for.
* @param[in] name Package name to match in the array.
*
* @return true on success, false otherwise and errno is set appropiately.
*/
bool xbps_remove_pkg_from_array_by_name(prop_array_t array, const char *name);
/**
* Removes the package's proplib dictionary matching \a pkgname,
* in an array with key \a key stored in a proplib dictionary.
*
* @param[in] dict Proplib dictionary storing the proplib array.
* @param[in] key Key associated with the proplib array.
* @param[in] name Package name to look for.
*
* @return true on success, false otherwise and errno is set appropiately.
*/
bool xbps_remove_pkg_from_dict_by_name(prop_dictionary_t dict,
const char *key,
const char *name);
/**
* Removes a string from a proplib's array.
*
* @param[in] array Proplib array where to look for.
* @param[in] str String to match in the array.
*
* @return true on success, false otherwise and errno is set appropiately.
*/
bool xbps_remove_string_from_array(prop_array_t array, const char *str);
/**
* Removes a string from a proplib's array matched by a package name.
*
* @param[in] array Proplib array where to look for.
* @param[in] name Package name to match.
*
* @return true on success, false otherwise and errno is set appropiately.
*/
bool xbps_remove_pkgname_from_array(prop_array_t array, const char *name);
/*@}*/
/** @addtogroup purge */
/*@{*/
/**
* Purge an installed package.
*
* @param[in] pkgname Package name to match.
* @param[in] check_state Set it to true to check that package
* is in XBPS_PKG_STATE_CONFIG_FILES state.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_purge_pkg(const char *pkgname, bool check_state);
/**
* Purge all installed packages. Packages that aren't in
* XBPS_PKG_STATE_CONFIG_FILES state will be ignored.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_purge_all_pkgs(void);
/*@}*/
/** @addtogroup pkg_register */
/*@{*/
/**
* Register a package into the installed packages database.
*
* @param[in] pkg_dict A dictionary with the following objects:
* \a pkgname, \a version, \a pkgver, \a short_desc (string)
* and optionally \a provides (array of strings).
* @param[in] automatic Set it to true to mark package that has been
* installed by another package, and not explicitly.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_register_pkg(prop_dictionary_t pkg_dict, bool automatic);
/**
* Unregister a package from the package database.
*
* @param[in] pkgname Package name.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_unregister_pkg(const char *pkgname);
/*@}*/
/** @addtogroup regpkgdb */
/*@{*/
/**
* Initialize resources used by the registered packages database dictionary
* and returns the internalized proplib dictionary.
*
* @note This function is reference counted, if the database has
* been initialized previously, the counter will be increased by one
* and dictionary stored in memory will be returned.
*
* @warning Don't forget to always use xbps_regpkgdb_dictionary_release()
* when its dictionary is no longer needed.
*
* @return A dictionary as shown above in the Detailed description
* graph on success, or NULL otherwise and errno is set appropiately.
*/
prop_dictionary_t xbps_regpkgdb_dictionary_get(void);
/**
* Release resources used by the registered packages database.
*
* @note This function is reference counted, if the database
* is in use (its reference count number is greater than 1), won't be released.
*/
void xbps_regpkgdb_dictionary_release(void);
/*@}*/
/** @addtogroup pkg_remove */
/*@{*/
/**
* Remove an installed package.
*
* @param[in] pkgname Package name to match.
* @param[in] version Package version associated.
* @param[in] update If true, some steps will be skipped. See in the
* detailed description above for more information.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_remove_pkg(const char *pkgname, const char *version, bool update);
/**
* Remove files defined in a proplib array as specified by \a key
* of an installed package.
*
* @param[in] dict Proplib dictionary internalized from package's
* <b>XBPS_PKGFILES</b> definition in package's metadata directory.
* The image in Detailed description shows off its structure.
* @param[in] key Key of the array object to match, valid values are:
* <b>files</b>, <b>dirs</b>, <b>links</b> and <b>conf_files</b>.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_remove_pkg_files(prop_dictionary_t dict, const char *key);
/*@}*/
/** @addtogroup repo_register */
/*@{*/
/**
* Registers a repository into the database.
*
* @param[in] uri URI pointing to the repository.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_repository_register(const char *uri);
/**
* Unregisters a repository from the database.
*
* @param[in] uri URI pointing to the repository.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_repository_unregister(const char *uri);
/*@}*/
/** @addtogroup repo_pkgs */
/*@{*/
/**
* Finds a package by a pattern and enqueues it into
* the transaction dictionary for future use. The first repository in
* the pool that matched the pattern wins.
*
* @note The function name might be misleading, but is correct because
* if package is found, it will be marked as "going to be installed".
*
* @param pkgpattern Package name or pattern to find.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_repository_install_pkg(const char *pkgpattern);
/**
* Marks a package as "going to be updated" in the transaction dictionary.
* All repositories in the pool will be used, and if a newer version
* is available the package dictionary will be enqueued.
*
* @param pkgname The package name to update.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_repository_update_pkg(const char *pkgname);
/**
* Finds newer versions for all installed packages by looking at the
* repository pool. If a newer version exists, package will be enqueued
* into the transaction dictionary.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_repository_update_allpkgs(void);
/*@}*/
/** @addtogroup transdict */
/*@{*/
/**
* Returns the transaction dictionary, as shown above in the image.
* Before returning the package list is sorted in the correct order
* and total installed/download size for the transaction is computed.
*
* @return The proplib transaction dictionary on success, otherwise NULL
* and errno is set appropiately. ENXIO if the transaction
* dictionary and the missing deps array were not created. ENODEV if
* there are missing dependencies or any other if there was an error
* while sorting packages or computing the transaction size.
*
* @note
* - This function will set errno to ENXIO if xbps_repository_install_pkg()
* xbps_repository_update_pkg() functions were not called previously.
*/
prop_dictionary_t xbps_transaction_prepare(void);
/**
* Returns the missing deps array if xbps_repository_install_pkg()
* or xbps_repository_update_pkg() failed to find required packages
* in registered repositories.
*
* @return The proplib array, NULL if it couldn't be created.
*/
prop_array_t xbps_transaction_missingdeps_get(void);
/*@}*/
/** @addtogroup repo_plist */
/*@{*/
/**
* Iterate over the the repository pool and search for a plist file
* in the binary package named 'pkgname'. The plist file will be
* internalized to a proplib dictionary.
*
* The first repository that has it wins and the loop is stopped.
* This will work locally and remotely, thanks to libarchive and
* libfetch!
*
* @param[in] pkgname Package name to match.
* @param[in] plistf Plist file name to match.
*
* @return An internalized proplib dictionary, otherwise NULL and
* errno is set appropiately.
*
* @note if NULL is returned and errno is ENOENT, that means that
* binary package file has been found but the plist file could not
* be found.
*/
prop_dictionary_t xbps_repository_plist_find_pkg_dict(const char *pkgname,
const char *plistf);
/**
* Finds a plist file in a binary package file stored local or
* remotely as specified in the URL.
*
* @param[in] url URL to binary package file.
* @param[in] plistf Plist file name to match.
*
* @return An internalized proplib dictionary, otherwise NULL and
* errno is set appropiately.
*/
prop_dictionary_t
xbps_repository_plist_find_pkg_dict_from_url(const char *url,
const char *plistf);
/*@}*/
/** @addtogroup repopool */
/*@{*/
/**
* @struct repository_pool_index xbps_api.h "xbps_api.h"
* @brief Repository pool dictionary structure
*
* Repository index object structure registered in a private simple queue.
* The structure contains a dictionary and the URI associated with the
* registered repository index.
*/
struct repository_pool_index {
/**
* @var rpi_repod
*
* Internalized Proplib dictionary of the pkg-index plist file
* associated with repository.
*/
prop_dictionary_t rpi_repod;
/**
* @var rpi_uri
*
* URI string associated with repository.
*/
char *rpi_uri;
};
/**
* Initializes the repository pool.
*
* Once it's initialized, access to the repositories can be done
* through the \a xbps_repository_pool_foreach() and
* \a xbps_repository_pool_find_pkg() functions.
*
* @note This function is reference counted, don't forget to call
* xbps_repository_pool_release() when it's no longer needed.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_repository_pool_init(void);
/**
* Releases the repository pool with all registered repositories
* in the database.
*
* @note This function is reference counted, it won't be released until
* its reference counter is 1.
*/
void xbps_repository_pool_release(void);
/**
* Iterates over the repository pool and executes the \a fn function
* callback passing in the void * \a arg argument to it. The bool pointer
* argument can be used in the callbacks to stop immediately the loop if
* set to true, otherwise it will only be stopped if it returns a
* non-zero value.
*
* @param[in] fn Function callback to execute for every repository registered in
* the pool.
* @param[in] arg Opaque data passed in to the \a fn function callback for
* client data.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_repository_pool_foreach(
int (*fn)(struct repository_pool_index *, void *, bool *),
void *arg);
/**
* Finds a package dictionary in the repository pool by specifying a
* package pattern or a package name.
*
* @param[in] pkg Package pattern or name.
* @param[in] bypattern True if \a pkg is a pattern, false if it is a pkgname.
* @param[in] best True to find the best version available in repo, false to
* fetch the first package found matching its pkgname.
*
* @return The package dictionary if found, NULL otherwise.
*/
prop_dictionary_t
xbps_repository_pool_find_pkg(const char *pkg, bool bypattern, bool best);
/*@}*/
/** @addtogroup reposync */
/*@{*/
/**
* Syncs the package index file for a remote repository as specified
* by the \a uri argument (if necessary).
*
* @param[in] uri URI to a remote repository.
* @param[in] progress_cb Pointer to a function callback to update the
* the fetch progress.
* @param[in] xfpd Pointer to a xbps_fetch_progress_data struct to be
* passed to the \a progress_cb callback as its argument.
*
* @return -1 on error (errno is set appropiately), 0 if transfer was
* not necessary (local/remote size/mtime matched) or 1 if
* downloaded successfully.
*/
int xbps_repository_sync_pkg_index(const char *uri,
void (*progress_cb)(void *),
struct xbps_fetch_progress_data *xfpd);
/*@}*/
/** @addtogroup pkgstates */
/*@{*/
/**
* @enum pkg_state_t
*
* Integer representing a state on which a package may be. Possible
* values for this are:
*
* <b>XBPS_PKG_STATE_UNPACKED</b>: Package has been unpacked correctly
* but has not been configured due to unknown reasons.
*
* <b>XBPS_PKG_STATE_INSTALLED</b>: Package has been installed successfully.
*
* <b>XBPS_PKG_STATE_BROKEN</b>: not yet used.
*
* <b>XBPS_PKG_STATE_CONFIG_FILES</b>: Package has been removed but not
* yet purged.
*
* <b>XBPS_PKG_STATE_NOT_INSTALLED</b>: Package going to be installed in
* a transaction dictionary but that has not been yet unpacked.
*/
typedef enum pkg_state {
XBPS_PKG_STATE_UNPACKED = 1,
XBPS_PKG_STATE_INSTALLED,
XBPS_PKG_STATE_BROKEN,
XBPS_PKG_STATE_CONFIG_FILES,
XBPS_PKG_STATE_NOT_INSTALLED
} pkg_state_t;
/**
* Gets package state from package \a pkgname, and sets its state
* into \a state.
*
* @param[in] pkgname Package name.
* @param[out] state Package state returned.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_get_pkg_state_installed(const char *pkgname, pkg_state_t *state);
/**
* Gets package state from a package dictionary \a dict, and sets its
* state into \a state.
*
* @param[in] dict Package dictionary.
* @param[out] state Package state returned.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_get_pkg_state_dictionary(prop_dictionary_t dict, pkg_state_t *state);
/**
* Sets package state \a state in package \a pkgname.
*
* @param[in] pkgname Package name.
* @param[in] state Package state to be set.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_set_pkg_state_installed(const char *pkgname, pkg_state_t state);
/**
* Sets package state \a state in package dictionary \a dict.
*
* @param[in] dict Package dictionary.
* @param[in] state Package state to be set.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_set_pkg_state_dictionary(prop_dictionary_t dict, pkg_state_t state);
/*@}*/
/** @addtogroup unpack */
/*@{*/
/**
* @struct xbps_unpack_progress_data xbps_api.h "xbps_api.h"
* @brief Structure to be passed to the unpacking progress function callback.
*
* This structure is passed as argument to the unpack progress function
* callback and its members will be updated when there's any progress.
* All members in this struct are set internally by xbps_unpack_binary_pkg()
* and should be used in read-only mode in the function callback.
*/
struct xbps_unpack_progress_data {
/**
* @var entry
*
* Entry pathname string (set internally, read only).
*/
const char *entry;
/**
* @var entry_size
*
* Entry file size (set internally, read only).
*/
int64_t entry_size;
/**
* @var entry_extract_count
*
* Total number of extracted entries (set internally, read only).
*/
ssize_t entry_extract_count;
/**
* @var entry_total_count
*
* Total number of entries in package (set internally, read only).
*/
ssize_t entry_total_count;
/**
* @var entry_is_metadata
*
* If true "entry" is a package metadata file (set internally,
* read only).
*/
bool entry_is_metadata;
/**
* @var entry_is_conf
*
* If true "entry" is a configuration file (set internally,
* read only).
*/
bool entry_is_conf;
};
/**
* Unpacks a binary package into specified root directory.
*
* @param[in] trans_pkg_dict Package proplib dictionary as stored in the
* \a packages array returned by the transaction dictionary.
* @param[in] progress_cb Pointer to a function callback to update progress data
* while extracting files in package (optional).
* @param[in] xupd Pointer to a struct xbps_unpack_progress_data to be passed to
* the function callback \a progress_cb.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_unpack_binary_pkg(prop_dictionary_t trans_pkg_dict,
void (*progress_cb)(void *),
struct xbps_unpack_progress_data *xupd);
/*@}*/
/** @addtogroup util */
/*@{*/
/**
* Creates a directory (and required components if necessary).
*
* @param[in] path Path for final directory.
* @param[in] mode Mode for final directory (0755 if not specified).
*
* @return 0 on success, -1 on error and errno set appropiately.
*/
int xbps_mkpath(char *path, mode_t mode);
/**
* Returns a string by concatenating its variable argument list
* as specified by the format string \a fmt.
*
* @param[in] fmt Format string, see printf(3).
* @return A pointer to a malloc(3)ed string, NULL otherwise and errno
* is set appropiately. The pointer should be free(3)d when it's
* no longer needed.
*/
char *xbps_xasprintf(const char *fmt, ...);
/**
* Returns a string with the sha256 hash for the file specified
* by \a file.
*
* @param[in] file Path to a file.
* @return A pointer to a malloc(3)ed string, NULL otherwise and errno
* is set appropiately. The pointer should be free(3)d when it's no
* longer needed.
*/
char *xbps_get_file_hash(const char *file);
/**
* Compares the sha256 hash of the file \a file with the sha256
* string specified by \a sha256.
*
* @param[in] file Path to a file.
* @param[in] sha256 SHA256 hash to compare.
*
* @return 0 if \a file and \a sha256 have the same hash, ERANGE
* if it differs, or any other errno value on error.
*/
int xbps_check_file_hash(const char *file, const char *sha256);
/**
* Checks if a package is currently installed by matching a package
* pattern string.
*
* @param[in] pkg Package pattern used to find the package.
*
* @return -1 on error (errno set appropiately), 0 if package pattern
* didn't match installed package, 1 if \a pkg pattern fully
* matched installed package.
*/
int xbps_check_is_installed_pkg_by_pattern(const char *pkg);
/**
* Checks if package \a pkgname is currently installed.
*
* @param[in] pkgname Package name.
*
* @return True if \a pkgname is installed, false otherwise.
*/
bool xbps_check_is_installed_pkg_by_name(const char *pkgname);
/**
* Checks if the URI specified by \a uri is remote or local.
*
* @param[in] uri URI string.
*
* @return true if URI is remote, false if local.
*/
bool xbps_check_is_repository_uri_remote(const char *uri);
/**
* Gets the full URI to a binary package file as returned by a
* package dictionary from a repository in \a pkgd, by looking at the
* repository location object "repository" in its dictionary.
*
* @param[in] pkgd Package dictionary stored in a transaction dictionary.
* @param[in] repoloc Repository URL location string.
*
* @return A pointer to a malloc(3)ed string, NULL otherwise and
* errno is set appropiately. The pointer should be free(3)d when it's
* no longer needed.
*/
char *xbps_get_binpkg_repo_uri(prop_dictionary_t pkgd, const char *repoloc);
/**
* Gets the full path to a repository package index plist file, as
* specified by \a uri.
*
* @param[in] uri Repository URI.
*
* @return A pointer to a malloc(3)d string, NULL otherwise and
* errno is set appropiately. The pointer should be free(3)d when it's
* no longer needed.
*/
char *xbps_get_pkg_index_plist(const char *uri);
/**
* Gets the name of a package string. Package strings are composed
* by a @<pkgname@>/@<version@> pair and separated by the <em>minus</em>
* sign, i.e <b>foo-2.0</b>.
*
* @param[in] pkg Package string.
*
* @return A pointer to a malloc(3)d string, NULL otherwise and
* errno is set appropiately. The pointer should be free(3)d when it's
* no longer needed.
*/
char *xbps_get_pkg_name(const char *pkg);
/**
* Gets a the package name of a package pattern string specified by
* the \a pattern argument.
*
* @param[in] pattern A package pattern. Package patterns are composed
* by looking at <b>'><='</b> to split components, i.e <b>foo>=2.0</b>,
* <b>blah<1.0</b>, <b>blob==2.0</b>, etc.
*
* @return A pointer to a malloc(3)ed string with the package name,
* NULL otherwise and errno is set appropiately. The pointer should be
* free(3)d when it's no longer needed.
*/
char *xbps_get_pkgpattern_name(const char *pattern);
/**
* Gets the package epoch version in a package string, i.e <b>foo-2.0:epoch</b>.
*
* @param[in] pkg Package string.
*
* @return A string with the epoch version string, NULL if it couldn't find
* the epoch component.
*/
const char *xbps_get_pkg_epoch(const char *pkg);
/**
* Gets the package version in a package string, i.e <b>foo-2.0</b>.
*
* @param[in] pkg Package string.
*
* @return A string with the version string, NULL if it couldn't
* find the version component.
*/
const char *xbps_get_pkg_version(const char *pkg);
/**
* Gets the package version of a package pattern string specified by
* the \a pattern argument.
*
* @param[in] pattern A package pattern. The same rules in
* xbps_get_pkgpattern_name() apply here.
*
* @return A string with the pattern version, NULL otherwise and
* errno is set appropiately.
*/
const char *xbps_get_pkgpattern_version(const char *pattern);
/**
* Gets the package version revision in a package string.
*
* @param[in] pkg Package string, i.e <b>foo-2.0_1</b>.
*
* @return A string with the revision number, NULL if it couldn't
* find the revision component.
*/
const char *xbps_get_pkg_revision(const char *pkg);
/**
* Checks if a package has run dependencies.
*
* @param[in] dict Package dictionary.
*
* @return True if package has run dependencies, false otherwise.
*/
bool xbps_pkg_has_rundeps(prop_dictionary_t dict);
/**
* Sets the global root directory.
*
* @param[in] path Destination directory.
*/
void xbps_set_rootdir(const char *path);
/**
* Gets the global root directory.
*
* @return A string with full path to the root directory.
*/
const char *xbps_get_rootdir(void);
/**
* Sets globally the cache directory to store downloaded binary
* packages. Any full path without rootdir is valid.
*
* @param[in] cachedir Directory to be set.
*/
void xbps_set_cachedir(const char *cachedir);
/**
* Gets the cache directory currently used to store downloaded
* binary packages.
*
* @return The path to a directory.
*/
const char *xbps_get_cachedir(void);
/**
* Converts the 64 bits signed number specified in \a bytes to
* a human parsable string buffer pointed to \a buf.
*
* @param[out] buf Buffer to store the resulting string. At least
* it should have space for 6 chars.
* @param[in] bytes 64 bits signed number to convert.
*
* @return A negative number is returned on error, 0 otherwise.
*/
int xbps_humanize_number(char *buf, int64_t bytes);
/**
* Sets the flag specified in \a flags for internal use.
*
* @param[in] flags Flags to be set globally.
*/
void xbps_set_flags(int flags);
/**
* Gets the flags currently set internally.
*
* @return An integer with flags
*/
int xbps_get_flags(void);
/*@}*/
__END_DECLS
#endif /* !_XBPS_API_H_ */
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