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path: root/lib/libalpm/be_sync.c
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2011-02-04Read pkgcache into hashAllan McRae1-4/+9
Read the package information for sync/local databases into a pmpkghash_t structure. Provide a alpm_db_get_pkgcache_list() method that returns the list from the hash object. Most usages of alpm_db_get_pkgcache are converted to this at this stage for ease of implementation. Review whether these are better accessing the hash table directly at a later stage. Signed-off-by: Allan McRae <allan@archlinux.org>
2011-02-04Get estimated package count when populating databasesDan McGee1-1/+63
This works for both local and sync databases in slightly different ways. For the local database, we can use the directory hard link count on the local/ folder. For sync databases, we use the archive size coupled with some computed average per-package sizes to determine an estimate. This is currently a dead assignment once calculated, but could be used to set the initial size of a hash table. Signed-off-by: Dan McGee <dan@archlinux.org> Signed-off-by: Allan McRae <allan@archlinux.org>
2011-02-01Fix locale.h/setlocale inclusion with --disable-nlsDan McGee1-1/+0
Noted in FS#22697. When I factored out _alpm_parsedate() into a common function, I didn't move the <locale.h> include properly, causing a build failure when NLS is disabled and this header isn't automatically included everywhere. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-01-31libalpm: fix db_update documentationXavier Chantry1-12/+13
return codes were mixed up Signed-off-by: Dan McGee <dan@archlinux.org>
2011-01-25Fix memory leak and error code in DB readingDan McGee1-2/+3
We were returning a package error code rather than a DB one, and we would leak the archive memory if the database file didn't exist. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-01-22Remove epoch as an independent fieldDan McGee1-9/+0
Instead, go the same route we have always taken with version-release in libalpm and treat it all as one piece of information. Makepkg is the only script that knows about epoch as a distinct value; from there on out we will parse out the components as necessary. This makes the code a lot simpler as far as epoch handling goes. The downside here is that we are tossing some compatibility to the wind; packages using force will have to be rebuilt with an incremented epoch to keep their special status. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-01-21Add a likely_pkg hint argument to sync_db_readDan McGee1-10/+16
In most (all?) cases, we will process all files for a given sync database entry sequentially. The code currently does an _alpm_pkg_find() for every file in the database, but we had the "current" package readily available. Shift some local variables around a bit to expose this to sync_db_read() and use it if the package is the correct one. On my system, this cuts calls to _alpm_pkg_find() from 20,769 to 10,349 calls during a -Qu operation, and results in a ~30% speedup of the same operation (0.35 sec -> 0.27 sec). This benefit should be apparent anywhere we read in the full contents of the sync databases. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-01-08Use size_t for alpm_list sizesAllan McRae1-1/+1
There is a lot of swtiching between size_t and int for alpm_list sizes in the codebase. Start converting these to all be size_t by adjusting the return type of alpm_list_count and fixing all additional warnings given by -Wconversion that are generated by this change. Dan: a few more small changes to ensure things compile, adjusting some printf format string characters to accommodate the larger size on x86_64. Signed-off-by: Allan McRae <allan@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
2011-01-08Refactor old date parsing into single methodDan McGee1-12/+1
We've managed to duplicate this four times at this point, so make it a method in util.c instead. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-01-08Update copyright years for 2011Allan McRae1-1/+1
Signed-off-by: Allan McRae <allan@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
2010-12-30Detect undefined PATH_MAXAllan McRae1-0/+1
POSIX does not require PATH_MAX be defined when there is not actual limit to its value. This affects HURD based systems. Work around this by defining PATH_MAX to 4096 (as on Linux) when this is not defined. Also, clean up inclusions of limits.h and remove autoconf check for this header as we do not use macro shields for its inclusion anyway. Signed-off-by: Allan McRae <allan@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
2010-12-21Overhaul archive fgets functionDan McGee1-5/+10
The old function was written in a time before we relied on it for nearly every operation. Since then, we have switched to the archive backend and now fast parsing is a big deal. The former function made a per-character call to the libarchive archive_read_data() function, which resulted in some 21 million calls in a typical "load all sync dbs" operation. If we instead do some buffering of our own and read the blocks directly, and then find our newlines from there, we can cut out the multiple layers of overhead and go from archive to parsed data much quicker. Both users of the former function are switched over to the new signature, made easier by the macros now in place in the sync backend parsing code. Performance: for a `pacman -Su` (no upgrades available), _alpm_archive_fgets() goes from being 29% of the total time to 12% The time spent on the libarchive function being called dropped from 24% to 6%. This pushes _alpm_pkg_find back to the title of slowest low-level function. Signed-off-by: Dan McGee <dan@archlinux.org>
2010-12-21Use macros in sync DB parsingDan McGee1-99/+52
This simplifies a lot of the repetative code and makes it obvious where the tricky or different ones are (e.g. depends, dates). It also makes it significantly easier to change the way this code works in the future. There should be no functional change with this patch. Signed-off-by: Dan McGee <dan@archlinux.org>
2010-12-14Remove non-public functions from headerDan McGee1-2/+2
And rename accordingly. Signed-off-by: Dan McGee <dan@archlinux.org>
2010-12-14Mark sync_db_read() as staticDan McGee1-2/+6
Signed-off-by: Dan McGee <dan@archlinux.org>
2010-12-13Create sync/ DB directory if it does not existDan McGee1-0/+18
Rather than error out, this is easy enough. Looks quite similar to the code in be_local for creating the local directory. Signed-off-by: Dan McGee <dan@archlinux.org>
2010-12-13Make reading from any file possible in sync DBDan McGee1-12/+8
Whether it be "desc", "depends", or "deltas", it really doesn't matter- treat them all the same and have the ability to read any data from any file in that list. This continues the work in a44c7b8956. Signed-off-by: Dan McGee <dan@archlinux.org>
2010-12-13dirent usage cleanupDan McGee1-1/+0
We were including the header in a lot of places it is no longer used. Additionally, use the correct autoconf macro for determining whether d_type is available as a member: HAVE_STRUCT_DIRENT_D_TYPE. Signed-off-by: Dan McGee <dan@archlinux.org> Signed-off-by: Allan McRae <allan@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
2010-12-13Combine reading from depends and desc in sync dbAllan McRae1-7/+2
This will allow us to eventually combine the depends and desc entries within the sync database. Signed-off-by: Allan McRae <allan@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
2010-12-13Fix a few problems reported by clang-analyzerXavier Chantry1-7/+5
One missing NULL-check and 3 dead assignments. Signed-off-by: Xavier Chantry <chantry.xavier@gmail.com> Signed-off-by: Dan McGee <dan@archlinux.org>
2010-10-14Add epoch support to pacman/libalpmDan McGee1-1/+10
This will allow for better control of what was previously the 'force' option in a PKGBUILD and transferred into the built package. Signed-off-by: Dan McGee <dan@archlinux.org>
2010-10-14Small tweaks after backend mergeDan McGee1-6/+0
Just a few small things I noticed looking through the code. Signed-off-by: Dan McGee <dan@archlinux.org>
2010-10-14Clean-up parsing sync databaseAllan McRae1-26/+1
Remove unnecessary parsing of fields not found in sync desc file. Signed-off-by: Allan McRae <allan@archlinux.org>
2010-10-14Move and rename splitnameAllan McRae1-1/+1
The splitname function is a general utility function and so is better suited to util.h. Rename it to _alpm_splitname to indicate it is an internal libalpm function as was the case prior to splitting local and sync db handling. Signed-off-by: Allan McRae <allan@archlinux.org>
2010-10-14Only download sync databasesAllan McRae1-163/+2
As the sync databases are read directly from the tarball, we no longer need to extract them. Signed-off-by: Allan McRae <allan@archlinux.org>
2010-10-14Parse sync databaseAllan McRae1-412/+125
Read in package information for a tar based sync database. Do not use lazy loading for sync db. Signed-off-by: Allan McRae <allan@archlinux.org>
2010-10-14Populate sync db from archiveAllan McRae1-25/+33
Read in list of packages for sync db from tar archive. Breaks reading in _alpm_sync_db_read and a lot of pactests (which is expected as they do not handle sync db in archives...). Signed-off-by: Allan McRae <allan@archlinux.org>
2010-10-14Completely separate local and sync db handlingAllan McRae1-33/+38
Put the db_operations struct to use and completely split the handling of the sync and local databases. Signed-off-by: Allan McRae <allan@archlinux.org>
2010-10-14Separate be_files into be_sync and be_localAllan McRae1-0/+906
The file be_files.c is "split" to be_local.c and be_sync.c in order to achieve separate handling of sync and local databases. Some basic clean-up of functions that are only of use for local or sync databases has been performed and some rough function renaming in duplicated code has been performed to prevent compilation errors. However, most of the clean-up and final separation of sync and local db handling occurs in following patches. Signed-off-by: Allan McRae <allan@archlinux.org>
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