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Detected by valgrind. Leaks are introduced in commit 17c7795.
* python/libvirt-override.c (libvirt_virNodeGetMemoryStats): fix memory leaks
and improve codes return value.
For details, please see the following link:
RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=770944
Signed-off-by: Alex Jia <ajia@redhat.com>
On RHEL 5.7, I got this compilation failure:
In file included from /usr/include/python2.4/pyport.h:98,
from /usr/include/python2.4/Python.h:55,
from libvirt.c:3:
../gnulib/lib/time.h:468: error: expected ';', ',' or ')' before '__timer'
Turns out that our '#define restrict __restrict' from config.h wasn't
being picked up. Gnulib _requires_ that all .c files include <config.h>
first, otherwise the gnulib header overrides tend to misbehave.
Problem introduced by patch c700613b8.
* python/generator.py (buildStubs): Include <config.h> first.
The v4 patch corrects indentation issues.
The v3 patch follows latest python binding codes and change 'size'
type from int to Py_ssize_t.
An simple example to show how to use it:
#!/usr/bin/env python
import libvirt
conn = libvirt.open(None)
dom = conn.lookupByName('foo')
print dom.interfaceParameters('vnet0', 0)
params = {'outbound.peak': 10,
'inbound.peak': 10,
'inbound.burst': 20,
'inbound.average': 20,
'outbound.average': 30,
'outbound.burst': 30}
print dom.setInterfaceParameters('vnet0', params, 0)
print dom.interfaceParameters('vnet0', 0)
Signed-off-by: Alex Jia <ajia@redhat.com>
The API definition accepts "flags" argument, however, the
implementation ignores it, though "flags" is unused currently,
we should expose it instead of hard coding, the API
implementation inside hypervisor driver is responsible to check
if the passed "flags" is valid.
As we already link with libvirt.la which contains libvirt_utils.la.
Double linking causes global symbols to be presented twice and
thus confusion. This partially reverts c700613b8d463212d142c97108b7a2352e23e559
Unlike .cvsignore under CVS, git allows for ignoring nested
names. We weren't very consistent where new tests were
being ignored (some in .gitignore, some in tests/.gitignore),
and I found it easier to just consolidate everything.
* .gitignore: Subsume entries from subdirectories.
* daemon/.gitignore: Delete.
* docs/.gitignore: Likewise.
* docs/devhelp/.gitignore: Likewise.
* docs/html/.gitignore: Likewise.
* examples/dominfo/.gitignore: Likewise.
* examples/domsuspend/.gitignore: Likewise.
* examples/hellolibvirt/.gitignore: Likewise.
* examples/openauth/.gitignore: Likewise.
* examples/domain-events/events-c/.gitignore: Likewise.
* include/libvirt/.gitignore: Likewise.
* src/.gitignore: Likewise.
* src/esx/.gitignore: Likewise.
* tests/.gitignore: Likewise.
* tools/.gitignore: Likewise.
This patch starts the process of elevating the python binding code
to be on the same level as the rest of libvirt when it comes to
requiring good coding styles. Statically linking against the
libvirt_util library makes it much easier to write good code,
rather than having to open-code and reinvent things locally.
Done by global search and replace of s/free(/VIR_FREE(/, followed
by hand-inspection of remaining malloc and redundant memset.
* cfg.mk (exclude_file_name_regexp--sc_prohibit_raw_allocation):
Remove python from exemption.
* python/Makefile.am (INCLUDES): Add gnulib and src/util. Drop
$(top_builddir)/$(subdir), as automake already guarantees that.
(mylibs, myqemulibs): Pull in libvirt_util and gnulib.
(libvirtmod_la_CFLAGS): Catch compiler warnings if configured to
use -Werror.
* python/typewrappers.c (libvirt_charPtrSizeWrap)
(libvirt_charPtrWrap): Convert free to VIR_FREE.
* python/generator.py (print_function_wrapper): Likewise.
* python/libvirt-override.c: Likewise.
I noticed some redundant code while preparing my next patch.
* python/generator.py (py_types): Fix 'const char *' mapping.
* python/typewrappers.h (libvirt_charPtrConstWrap): Drop.
* python/typewrappers.c (libvirt_charPtrConstWrap): Delete, since
it is identical to libvirt_constcharPtrWrap.
We already provide ways to detect when a domain has been paused as a
result of I/O error, but there was no way of getting the exact error or
even the device that experienced it. This new API may be used for both.
add new API virDomainGetCPUStats() for getting cpu accounting information
per real cpus which is used by a domain. The API is designed to allow
future extensions for additional statistics.
based on ideas by Lai Jiangshan and Eric Blake.
* src/libvirt_public.syms: add API for LIBVIRT_0.9.10
* src/libvirt.c: define virDomainGetCPUStats()
* include/libvirt/libvirt.h.in: add virDomainGetCPUStats() header
* src/driver.h: add driver API
* python/generator.py: add python API (as not implemented)
Signed-off-by: Eric Blake <eblake@redhat.com>
Add a new function to allow changing of capacity of storage volumes.
Plan out several flags, even if not all of them will be implemented
up front.
Expose the new command via 'virsh vol-resize'.
Signed-off-by: Eric Blake <eblake@redhat.com>
Although this is a public API break, it only affects users that
were compiling against *_LAST values, and can be trivially
worked around without impacting compilation against older
headers, by the user defining VIR_ENUM_SENTINELS before using
libvirt.h. It is not an ABI break, since enum values do not
appear as .so entry points. Meanwhile, it prevents users from
using non-stable enum values without explicitly acknowledging
the risk of doing so.
See this list discussion:
https://www.redhat.com/archives/libvir-list/2012-January/msg00804.html
* include/libvirt/libvirt.h.in: Hide all sentinels behind
LIBVIRT_ENUM_SENTINELS, and add missing sentinels.
* src/internal.h (VIR_DEPRECATED): Allow inclusion after
libvirt.h.
(LIBVIRT_ENUM_SENTINELS): Expose sentinels internally.
* daemon/libvirtd.h: Use the sentinels.
* src/remote/remote_protocol.x (includes): Don't expose sentinels.
* python/generator.py (enum): Likewise.
* tests/cputest.c (cpuTestCompResStr): Silence compiler warning.
* tools/virsh.c (vshDomainStateReasonToString)
(vshDomainControlStateToString): Likewise.
The APIs are used to set/get domain's network interface's parameters.
Currently supported parameters are bandwidth settings.
* include/libvirt/libvirt.h.in: new API and parameters definition
* python/generator.py: skip the Python API generation
* src/driver.h: add new entry to the driver structure
* src/libvirt_public.syms: export symbols
* python/libvirt-override.c: remove the predefined array in the
virConnectListDomainsID binding and call virConnectNumOfDomains
to do a proper allocation
The parameter 'params' is useless for virDomainGetBlockIoTune API,
and the return value type should be a virTypedParameterPtr but not
integer. And "PyArg_ParseTuple" in functions
libvirt_virDomain{Set,Get}BlockIoTune misses format unit for "format"
argument.
* libvirt-override-api.xml: Remove useless the parameter 'params'
from virDomainGetBlockIoTune API, and change return value type from
integer to virTypedParameterPtr.
* python/libvirt-override.c: Add the missed format units.
RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=770683
Signed-off-by: Alex Jia <ajia@redhat.com>
* Detected by valgrind. Leak introduced in commit 5ab109f.
* python/libvirt-override.c: avoid memory leak on libvirt_virConnectOpenAuth.
* How to reproduce?
% valgrind -v --leak-check=full virt-clone --print-xml
Note: it can hit the issue although options are incomplete.
* Actual valgrind result:
==1801== 12 bytes in 1 blocks are definitely lost in loss record 25 of 3,270
==1801== at 0x4A05FDE: malloc (vg_replace_malloc.c:236)
==1801== by 0xCF1F60E: libvirt_virConnectOpenAuth (libvirt-override.c:1507)
==1801== by 0x3AFEEDE7F3: PyEval_EvalFrameEx (ceval.c:3794)
==1801== by 0x3AFEEDF99E: PyEval_EvalFrameEx (ceval.c:3880)
==1801== by 0x3AFEEDF99E: PyEval_EvalFrameEx (ceval.c:3880)
==1801== by 0x3AFEEDF99E: PyEval_EvalFrameEx (ceval.c:3880)
==1801== by 0x3AFEEDF99E: PyEval_EvalFrameEx (ceval.c:3880)
==1801== by 0x3AFEEE0466: PyEval_EvalCodeEx (ceval.c:3044)
==1801== by 0x3AFEEE0541: PyEval_EvalCode (ceval.c:545)
==1801== by 0x3AFEEFB88B: run_mod (pythonrun.c:1351)
==1801== by 0x3AFEEFB95F: PyRun_FileExFlags (pythonrun.c:1337)
==1801== by 0x3AFEEFCE4B: PyRun_SimpleFileExFlags (pythonrun.c:941)
Signed-off-by: Alex Jia <ajia@redhat.com>
Commit f2013c9dd1ce468b8620ee35c232a93ef7026fb0 added implementation of
virDomainSnapshotListChildrenNames override export, but registration of
the newly exported function was not added.
*python/libvirt-override.c: - register export of function
This patch adds binding for virNodeGetMemoryStats method of libvirtd.
Return value is represented as a python dictionary mapping field
names to values.
If a disk source gets dropped because it is not accessible,
mgmt application might want to be informed about this. Therefore
we need to emit an event. The event presented in this patch
is however a bit superset of what written above. The reason is simple:
an intention to be easily expanded, e.g. on 'user ejected disk
in guest' events. Therefore, callback gets source string and disk alias
(which should be unique among a domain) and reason (an integer);
The previous API addition allowed traversal up the hierarchy;
this one makes it easier to traverse down the hierarchy.
In the python bindings, virDomainSnapshotNumChildren can be
generated, but virDomainSnapshotListChildrenNames had to copy
from the hand-written example of virDomainSnapshotListNames.
* include/libvirt/libvirt.h.in (virDomainSnapshotNumChildren)
(virDomainSnapshotListChildrenNames): New prototypes.
(VIR_DOMAIN_SNAPSHOT_LIST_DESCENDANTS): New flag alias.
* src/libvirt.c (virDomainSnapshotNumChildren)
(virDomainSnapshotListChildrenNames): New functions.
* src/libvirt_public.syms: Export them.
* src/driver.h (virDrvDomainSnapshotNumChildren)
(virDrvDomainSnapshotListChildrenNames): New callbacks.
* python/generator.py (skip_impl, nameFixup): Update lists.
* python/libvirt-override-api.xml: Likewise.
* python/libvirt-override.c
(libvirt_virDomainSnapshotListChildrenNames): New wrapper function.
Gettext annoyingly modifies CPPFLAGS in-place, putting
-I/usr/local/include into the search patch if libintl headers
must be used from that location. But since we must support
automake 1.9.6 which lacks AM_CPPFLAGS, and since CPPFLAGS is used
prior to INCLUDES, this means that the build picks up the _old_
installed libvirt.h in priority to the in-tree version, leading
to all sorts of weird build failures on FreeBSD.
Fix this by teaching configure to undo gettext's actions, but
to keep any changes required by gettext at the end of INCLUDES
after all in-tree locations are used first. Also requires
adding a wrapper Makefile.am and making gnulib-tool create
just gnulib.mk files during the bootstrap process.
Signed-off-by: Eric Blake <eblake@redhat.com>
I went with the shorter license notice used by src/libvirt.c,
rather than spelling out the full LGPLv2+ clause into each of
these files.
* configure.ac: Declare copyright.
* all Makefile.am: Likewise.
