sync.c File Reference

#include <sys/types.h>
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <unistd.h>
#include <limits.h>
#include "sync.h"
#include "alpm_list.h"
#include "log.h"
#include "package.h"
#include "db.h"
#include "deps.h"
#include "conflict.h"
#include "trans.h"
#include "add.h"
#include "util.h"
#include "handle.h"
#include "alpm.h"
#include "dload.h"
#include "remove.h"
#include "diskspace.h"
#include "signing.h"

Include dependency graph for sync.c:

Data Structures
struct	keyinfo_t

Macros
#define	CHECK_FIELD(STR, FIELD, CMP)

Functions
alpm_pkg_t *	alpm_sync_get_new_version (alpm_pkg_t *pkg, alpm_list_t *dbs_sync)
	Check for new version of pkg in syncdbs.
static int	check_literal (alpm_handle_t *handle, alpm_pkg_t *lpkg, alpm_pkg_t *spkg, int enable_downgrade)
static alpm_list_t *	check_replacers (alpm_handle_t *handle, alpm_pkg_t *lpkg, alpm_db_t *sdb)
int	alpm_sync_sysupgrade (alpm_handle_t *handle, int enable_downgrade)
	Search for packages to upgrade and add them to the transaction.
alpm_list_t *	alpm_find_group_pkgs (alpm_list_t *dbs, const char *name)
	Find group members across a list of databases.
static int	compute_download_size (alpm_pkg_t *newpkg)
	Compute the size of the files that will be downloaded to install a package.
off_t	alpm_pkg_download_size (alpm_pkg_t *newpkg)
	Returns the size of the files that will be downloaded to install a package.
static int	prompt_to_delete (alpm_handle_t *handle, const char *filepath, alpm_errno_t reason)
	Prompts to delete the file now that we know it is invalid.
static int	find_dl_candidates (alpm_handle_t *handle, alpm_list_t **files)
static int	download_files (alpm_handle_t *handle)
static int	key_cmp (const void *k1, const void *k2)
static int	check_keyring (alpm_handle_t *handle)
static int	check_validity (alpm_handle_t *handle, size_t total, uint64_t total_bytes)
static int	dep_not_equal (const alpm_depend_t *left, const alpm_depend_t *right)
static int	check_pkg_field_matches_db (alpm_handle_t *handle, const char *field, alpm_list_t *left, alpm_list_t *right, alpm_list_fn_cmp cmp)
static int	check_pkg_matches_db (alpm_pkg_t *spkg, alpm_pkg_t *pkgfile)
static int	load_packages (alpm_handle_t *handle, alpm_list_t **data, size_t total, size_t total_bytes)

---

Data Structure Documentation

keyinfo_t

struct keyinfo_t

Data Fields
char *	keyid
char *	uid

Macro Definition Documentation

CHECK_FIELD

#define CHECK_FIELD	(		STR,
			FIELD,
			CMP )

Value:

    do { \
    int ok = check_pkg_field_matches_db(handle, STR, spkg->FIELD, pkgfile->FIELD, (alpm_list_fn_cmp)CMP); \
    if(ok == -1) { \
        return 1; \
    } else if(ok != 0) { \
        error = 1; \
    } \
} while(0)

Referenced by check_pkg_matches_db().

Function Documentation

check_keyring()

static int check_keyring ( alpm_handle_t * handle )

static

References _, alpm_db_get_siglevel(), ALPM_EVENT_KEY_DOWNLOAD_DONE, ALPM_EVENT_KEY_DOWNLOAD_START, ALPM_EVENT_KEYRING_DONE, ALPM_EVENT_KEYRING_START, alpm_extract_keyid(), alpm_list_add(), alpm_list_count(), alpm_list_find(), alpm_list_free(), ALPM_LOG_DEBUG, ALPM_LOG_ERROR, ALPM_PKG_FROM_FILE, alpm_pkg_get_db(), alpm_pkg_get_sig(), ALPM_PROGRESS_KEYRING_START, ALPM_SIG_PACKAGE, alpm_list_t::data, EVENT, FREELIST, key_cmp(), keyinfo_t::keyid, level, alpm_list_t::next, PROGRESS, and keyinfo_t::uid.

check_literal()

static int check_literal ( alpm_handle_t * handle, alpm_pkg_t * lpkg, alpm_pkg_t * spkg, int enable_downgrade )

static

References _, ALPM_LOG_DEBUG, ALPM_LOG_WARNING, alpm_pkg_get_db(), and alpm_pkg_should_ignore().

Referenced by alpm_sync_sysupgrade().

check_pkg_field_matches_db()

static int check_pkg_field_matches_db ( alpm_handle_t * handle, const char * field, alpm_list_t * left, alpm_list_t * right, alpm_list_fn_cmp cmp )

static

References ALPM_ERR_MEMORY, alpm_list_cmp_unsorted(), ALPM_LOG_DEBUG, and RET_ERR.

check_pkg_matches_db()

static int check_pkg_matches_db ( alpm_pkg_t * spkg, alpm_pkg_t * pkgfile )

static

References ALPM_LOG_DEBUG, CHECK_FIELD, dep_not_equal(), and error.

Referenced by load_packages().

check_replacers()

static alpm_list_t * check_replacers ( alpm_handle_t * handle, alpm_pkg_t * lpkg, alpm_db_t * sdb )

static

References _, alpm_list_add(), ALPM_LOG_DEBUG, ALPM_LOG_WARNING, alpm_pkg_find(), alpm_pkg_get_reason(), alpm_pkg_get_replaces(), ALPM_PKG_REASON_EXPLICIT, alpm_pkg_should_ignore(), ALPM_QUESTION_REPLACE_PKG, alpm_list_t::data, alpm_list_t::next, QUESTION, alpm_question_replace_t::replace, and alpm_question_replace_t::type.

Referenced by alpm_sync_sysupgrade().

check_validity()

static int check_validity ( alpm_handle_t * handle, size_t total, uint64_t total_bytes )

static

References _, __attribute__(), alpm_db_get_siglevel(), ALPM_ERR_BADPERMS, ALPM_ERR_OK, ALPM_ERR_PKG_INVALID, ALPM_ERR_PKG_INVALID_CHECKSUM, ALPM_ERR_PKG_INVALID_SIG, ALPM_ERR_PKG_MISSING_SIG, ALPM_ERR_PKG_NOT_FOUND, ALPM_ERR_PKG_OPEN, ALPM_EVENT_INTEGRITY_DONE, ALPM_EVENT_INTEGRITY_START, alpm_list_add(), alpm_list_free(), ALPM_LOG_ERROR, ALPM_PKG_FROM_FILE, alpm_pkg_get_db(), ALPM_PROGRESS_INTEGRITY_START, ALPM_SIG_PACKAGE_MARGINAL_OK, ALPM_SIG_PACKAGE_OPTIONAL, ALPM_SIG_PACKAGE_UNKNOWN_OK, alpm_siglist_cleanup(), alpm_strerror(), alpm_list_t::data, error, EVENT, MALLOC, alpm_list_t::next, PROGRESS, prompt_to_delete(), RET_ERR, and alpm_event_t::type.

compute_download_size()

static int compute_download_size ( alpm_pkg_t * newpkg )

static

Compute the size of the files that will be downloaded to install a package.

Parameters

newpkg

the new package to upgrade to

References ALPM_ERR_PKG_INVALID_NAME, ALPM_LOG_DEBUG, ALPM_PKG_FROM_SYNCDB, ASSERT, CALLOC, FREE, INFRQ_DSIZE, and RET_ERR.

Referenced by alpm_pkg_download_size().

dep_not_equal()

static int dep_not_equal ( const alpm_depend_t * left, const alpm_depend_t * right )

static

References alpm_depend_t::mod, alpm_depend_t::name, alpm_depend_t::name_hash, and alpm_depend_t::version.

Referenced by check_pkg_matches_db().

download_files()

static int download_files ( alpm_handle_t * handle )

static

References _, dload_payload::allow_resume, alpm_db_get_siglevel(), ALPM_ERR_MEMORY, ALPM_EVENT_PKG_RETRIEVE_DONE, ALPM_EVENT_PKG_RETRIEVE_FAILED, ALPM_EVENT_PKG_RETRIEVE_START, alpm_list_add(), alpm_list_count(), alpm_list_free(), alpm_list_free_inner(), ALPM_LOG_DEBUG, ALPM_LOG_WARNING, alpm_pkg_get_db(), ALPM_SIG_PACKAGE, ALPM_SIG_PACKAGE_OPTIONAL, dload_payload::cache_servers, CALLOC, alpm_list_t::data, dload_payload::destfile_name, dload_payload::download_signature, EVENT, dload_payload::filepath, find_dl_candidates(), FREE, FREELIST, GOTO_ERR, dload_payload::handle, dload_payload::max_size, alpm_list_t::next, dload_payload::remote_name, dload_payload::servers, dload_payload::signature_optional, STATE_DOWNLOADING, STRDUP, and dload_payload::tempfile_name.

find_dl_candidates()

static int find_dl_candidates ( alpm_handle_t * handle, alpm_list_t ** files )

static

References alpm_db_get_siglevel(), ALPM_ERR_MEMORY, ALPM_ERR_PKG_INVALID_NAME, ALPM_ERR_SERVER_NONE, alpm_list_add(), ALPM_LOG_ERROR, ALPM_PKG_FROM_FILE, alpm_pkg_get_db(), ALPM_SIG_PACKAGE, alpm_strerror(), ASSERT, alpm_list_t::data, FREE, MALLOC, alpm_list_t::next, and RET_ERR.

Referenced by download_files().

key_cmp()

static int key_cmp ( const void * k1, const void * k2 )

static

References keyinfo_t::keyid.

Referenced by check_keyring().

load_packages()

static int load_packages ( alpm_handle_t * handle, alpm_list_t ** data, size_t total, size_t total_bytes )

static

References _, ALPM_ERR_OK, ALPM_ERR_PKG_INVALID, ALPM_ERR_PKG_NOT_FOUND, ALPM_EVENT_LOAD_DONE, ALPM_EVENT_LOAD_START, alpm_list_add(), ALPM_LOG_DEBUG, ALPM_LOG_ERROR, ALPM_PKG_FROM_FILE, ALPM_PROGRESS_LOAD_START, check_pkg_matches_db(), alpm_list_t::data, error, EVENT, FREELIST, alpm_list_t::next, PROGRESS, prompt_to_delete(), RET_ERR, and alpm_event_t::type.

prompt_to_delete()

static int prompt_to_delete ( alpm_handle_t * handle, const char * filepath, alpm_errno_t reason )

static

Prompts to delete the file now that we know it is invalid.

Parameters

handle	the context handle
filename	the absolute path of the file to test
reason	an error code indicating the reason for package invalidity

Returns

1 if file was removed, 0 otherwise

References ALPM_QUESTION_CORRUPTED_PKG, FREE, QUESTION, alpm_question_corrupted_t::remove, and alpm_question_conflict_t::type.

Referenced by check_validity(), and load_packages().