23 #undef ZYPP_BASE_LOGGER_LOGGROUP 24 #define ZYPP_BASE_LOGGER_LOGGROUP "librpmDb" 42 D (
const D & ) =
delete;
63 ::addMacro( NULL,
"_dbpath", NULL,
_dbPath.
asString().c_str(), RMIL_CMDLINE );
65 _ts = ::rpmtsCreate();
69 int res = ::rpmtsOpenDB(
_ts, (readonly_r ? O_RDONLY : O_RDWR ));
72 ERR <<
"rpmdbOpen error(" << res <<
"): " << *
this << endl;
79 DBG <<
"DBACCESS " << *
this << endl;
103 bool librpmDb::_dbBlocked =
true;
113 static bool initialized =
false;
118 int rc = ::rpmReadConfigFiles( NULL, NULL );
121 ERR <<
"rpmReadConfigFiles returned " << rc << endl;
147 char * val = ::rpmExpand( macro_r.c_str(), NULL );
151 std::string ret( val );
201 for (
auto p : {
"/var/lib/rpm",
"/usr/lib/sysimage/rpm" } ) {
203 MIL <<
"Suggest existing database at " <<
stringPath( root_r, p ) << endl;
284 unsigned outstanding =
_defaultDb->refCount() - 1;
286 switch ( outstanding )
291 DBG <<
"dbRelease: keep access, outstanding " << outstanding << endl;
296 DBG <<
"dbRelease: release" << (force_r && outstanding ?
"(forced)" :
"")
297 <<
", outstanding " << outstanding << endl;
316 MIL <<
"Block access" << endl;
329 MIL <<
"Unblock access" << endl;
363 : _d( * new
D( root_r, dbPath_r, readonly_r ) )
387 if ( refCount_r == 1 )
463 return rpmtsGetRdb(
_d.
_ts);
486 class librpmDb::db_const_iterator::D
489 D (
const D & ) =
delete;
513 WAR <<
"No database access: " <<
_dberr << endl;
526 ::rpmdbFreeIterator(
_mi );
534 bool create(
int rpmtag,
const void * keyp = NULL,
size_t keylen = 0 )
539 _mi = ::rpmtsInitIterator(
_dbptr->_d._ts, rpmTag(rpmtag), keyp, keylen );
551 _mi = ::rpmdbFreeIterator(
_mi );
557 WAR <<
"Lost database access: " <<
_dberr << endl;
571 Header h = ::rpmdbNextIterator(
_mi );
584 bool init(
int rpmtag,
const void * keyp = NULL,
size_t keylen = 0 )
586 if ( !
create( rpmtag, keyp, keylen ) )
595 bool set(
int off_r )
597 if ( !
create( RPMDBI_PACKAGES ) )
599 #ifdef RPMFILEITERMAX // since rpm.4.12 600 ::rpmdbAppendIterator(
_mi, (
const unsigned *)&off_r, 1 );
602 ::rpmdbAppendIterator(
_mi, &off_r, 1 );
609 return(
_mi ? ::rpmdbGetIteratorOffset(
_mi ) : 0 );
616 int ret = ::rpmdbGetIteratorCount(
_mi );
617 return( ret ? ret : -1 );
636 : _d( * new
D(
std::move(dbptr_r) ) )
647 librpmDb::db_const_iterator::~db_const_iterator()
658 void librpmDb::db_const_iterator::operator++()
669 unsigned librpmDb::db_const_iterator::dbHdrNum()
const 707 str <<
"db_const_iterator(" << obj._d._dbptr
708 <<
" Size:" << obj._d.size()
709 <<
" HdrNum:" << obj._d.offset()
720 bool librpmDb::db_const_iterator::findAll()
722 return _d.
init( RPMDBI_PACKAGES );
731 bool librpmDb::db_const_iterator::findByFile(
const std::string & file_r )
733 return _d.
init( RPMTAG_BASENAMES, file_r.c_str() );
742 bool librpmDb::db_const_iterator::findByProvides(
const std::string & tag_r )
744 return _d.
init( RPMTAG_PROVIDENAME, tag_r.c_str() );
753 bool librpmDb::db_const_iterator::findByRequiredBy(
const std::string & tag_r )
755 return _d.
init( RPMTAG_REQUIRENAME, tag_r.c_str() );
764 bool librpmDb::db_const_iterator::findByConflicts(
const std::string & tag_r )
766 return _d.
init( RPMTAG_CONFLICTNAME, tag_r.c_str() );
775 bool librpmDb::db_const_iterator::findByName(
const std::string & name_r )
777 return _d.
init( RPMTAG_NAME, name_r.c_str() );
786 bool librpmDb::db_const_iterator::findPackage(
const std::string & name_r )
788 if ( !
_d.
init( RPMTAG_NAME, name_r.c_str() ) )
799 if (
operator*()->tag_installtime() > itime )
806 return _d.
set( match );
815 bool librpmDb::db_const_iterator::findPackage(
const std::string & name_r,
const Edition & ed_r )
817 if ( !
_d.
init( RPMTAG_NAME, name_r.c_str() ) )
822 if ( ed_r ==
operator*()->tag_edition() )
825 return _d.
set( match );
838 bool librpmDb::db_const_iterator::findPackage(
const Package::constPtr & which_r )
843 return findPackage( which_r->name(), which_r->edition() );
void * dont_call_it() const
Dont call it ;) It's for development and testing only.
TraitsType::constPtrType constPtr
librpmDb::constPtr _dbptr
#define ZYPP_THROW(EXCPT)
Drops a logline and throws the Exception.
static std::string expand(const std::string ¯o_r)
bool advance()
Advance to the first/next header in iterator.
shared_ptr< RpmException > _error
bool set(int off_r)
Create an itertator that contains the database entry located at off_r, and advance to the 1st header...
db_const_iterator(const db_const_iterator &)
static void dbAccess()
Access the database at the current default location.
const char * c_str() const
String representation.
String related utilities and Regular expression matching.
bool findPackage(const std::string &name_r)
Find package by name.
const RpmHeader::constPtr & operator*() const
Returns the current RpmHeader::constPtr or NULL, if no more entries available.
D & operator=(const D &)=delete
~librpmDb() override
Destructor.
friend std::ostream & operator<<(std::ostream &str, const D &obj)
static void unblockAccess() ZYPP_API
Allow access to rpmdb e.g.
static librpmDb::constPtr _defaultDb
Current rpmdb handle.
std::ostream & dumpOn(std::ostream &str) const override
Dump debug info.
static librpmDb * newLibrpmDb()
For internal use.
friend std::ostream & operator<<(std::ostream &str, const db_const_iterator &obj)
bool empty() const
Test for an empty path.
#define ZYPP_RETHROW(EXCPT)
Drops a logline and rethrows, updating the CodeLocation.
bool findAll()
Reset to iterate all packages.
const std::string & asString() const
String representation.
static Pathname _rpmDefaultDbPath
_dbpath configured in rpm config.
static Pathname _defaultRoot
Current root directory for all operations.
shared_ptr< RpmException > error() const
Return any database error.
std::ostream & dumpOn(std::ostream &str, const Capability &obj)
bool absolute() const
Test for an absolute path.
const Pathname & root() const
Just inherits Exception to separate media exceptions.
Manage access to librpm database.
static unsigned blockAccess() ZYPP_API
Blocks further access to rpmdb.
D(Pathname root_r, Pathname dbPath_r, bool readonly_r)
shared_ptr< RpmException > _dberr
#define ZYPP_CAUGHT(EXCPT)
Drops a logline telling the Exception was caught (in order to handle it).
static Pathname _defaultDbPath
Current directory (below root) that contains the rpmdb.
void unref_to(unsigned refCount_r) const override
Trigger from Rep, after refCount was decreased.
D(librpmDb::constPtr dbptr_r)
librpmDb internal database handle
static bool globalInit()
Initialize lib librpm (read configfiles etc.).
D & operator=(const D &)=delete
Wrapper class for ::stat/::lstat.
const Pathname & dbPath() const
bool destroy()
Destroy iterator.
static unsigned dbRelease(bool force_r=false) ZYPP_API
If there are no outstanding references to the database (e.g.
bool init(int rpmtag, const void *keyp=NULL, size_t keylen=0)
Access a dbindex file and advance to the 1st header.
intrusive_ptr< const librpmDb > constPtr
Easy-to use interface to the ZYPP dependency resolver.
static Pathname suggestedDbPath(const Pathname &root_r)
bool create(int rpmtag, const void *keyp=NULL, size_t keylen=0)
Let iterator access a dbindex file.
RpmHeader::constPtr _hptr
void operator++()
Advance to next RpmHeader::constPtr.
static std::ostream & dumpState(std::ostream &str)
Dump debug info.
static std::string stringPath(const Pathname &root_r, const Pathname &sub_r)