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Convert the type of loop iterators named 'i', 'j', k',
'ii', 'jj', 'kk', to be 'size_t' instead of 'int' or
'unsigned int', also santizing 'ii', 'jj', 'kk' to use
the normal 'i', 'j', 'k' naming
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
I noticed several unusual spacings in for loops, and decided to
fix them up. See the next commit for the syntax check that found
all of these.
* examples/domsuspend/suspend.c (main): Fix spacing.
* python/libvirt-override.c: Likewise.
* src/conf/interface_conf.c: Likewise.
* src/security/virt-aa-helper.c: Likewise.
* src/util/virconf.c: Likewise.
* src/util/virhook.c: Likewise.
* src/util/virlog.c: Likewise.
* src/util/virsocketaddr.c: Likewise.
* src/util/virsysinfo.c: Likewise.
* src/util/viruuid.c: Likewise.
* src/vbox/vbox_tmpl.c: Likewise.
* src/xen/xen_hypervisor.c: Likewise.
* tools/virsh-domain-monitor.c (vshDomainStateToString): Drop
default case, to let compiler check us.
* tools/virsh-domain.c (vshDomainVcpuStateToString): Likewise.
Signed-off-by: Eric Blake <eblake@redhat.com>
The PyDict_Next method on Python <= 2.4 used 'int' instead
of "Py_ssize_t" for the 'pos' parameter
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The source code base needs to be adapted as well. Some files
include virutil.h just for the string related functions (here,
the include is substituted to match the new file), some include
virutil.h without any need (here, the include is removed), and
some require both.
http://www.uhv.edu/ac/newsletters/writing/grammartip2009.07.01.htm
(and several other sites) give hints that 'onto' is best used if
you can also add 'up' just before it and still make sense. In many
cases in the code base, we really want the two-word form, or even
a simplification to just 'on' or 'to'.
* docs/hacking.html.in: Use correct 'on to'.
* python/libvirt-override.c: Likewise.
* src/lxc/lxc_controller.c: Likewise.
* src/util/virpci.c: Likewise.
* daemon/THREADS.txt: Use simpler 'on'.
* docs/formatdomain.html.in: Better usage.
* docs/internals/rpc.html.in: Likewise.
* src/conf/domain_event.c: Likewise.
* src/rpc/virnetclient.c: Likewise.
* tests/qemumonitortestutils.c: Likewise.
* HACKING: Regenerate.
Signed-off-by: Eric Blake <eblake@redhat.com>
With this patch, include public headers in "" form is only allowed
for "internal.h". And only the external tools (examples|tools|python
|include/libvirt) can include the public headers in <> form.
The addition of emulator pinning APIs didn't think of doing the right
job with python APIs for them. The default generator produced unusable
code for this.
This patch switches to proper code as in the case of domain Vcpu pining.
This change can be classified as a python API-breaker but in the state
the code was before I doubt anyone was able to use it successfully.
Add code in the python binding to cope with the new APIs
virConnectRegisterCloseCallback and
virConnectUnregisterCloseCallback. Also demonstrate their
use in the python domain events demo
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Modified the places where virNodeGetInfo was used for the purpose
of obtaining the maximum node CPU number. Transparently falling
back to virNodeGetInfo in case of failure.
Wrote a utility function getPyNodeCPUCount for that purpose.
Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
The libvirt coding standard is to use 'function(...args...)'
instead of 'function (...args...)'. A non-trivial number of
places did not follow this rule and are fixed in this patch.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Added a method getCPUMap to virConnect.
It can be used as follows:
import libvirt
import sys
import os
conn = libvirt.openReadOnly(None)
if conn == None:
print 'Failed to open connection to the hypervisor'
sys.exit(1)
try:
(cpus, cpumap, online) = conn.getCPUMap(0)
except:
print 'Failed to extract the node cpu map information'
sys.exit(1)
print 'CPUs total %d, online %d' % (cpus, online)
print 'CPU map %s' % str(cpumap)
del conn
print "OK"
sys.exit(0)
Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
This patch adds support for SUSPEND_DISK event; both lifecycle and
separated. The support is added for QEMU, machines are changed to
PMSUSPENDED, but as QEMU sends SHUTDOWN afterwards, the state changes
to shut-off. This and much more needs to be done in order for libvirt
to work with transient devices, wake-ups etc. This patch is not
aiming for that functionality.
libvirt_virDomainGetVcpus: add error handling, return -1 instead of None
libvirt_virDomainPinVcpu and libvirt_virDomainPinVcpuFlags:
check the type of argument
make use of libvirt_boolUnwrap
Set bitmap according to these values which are contained in given
argument of vcpu tuple and turn off these bit corresponding to
missing vcpus in argument tuple
The original way ignored the error info from PyTuple_GetItem
if index is out of range.
"IndexError: tuple index out of range"
The error message will only be raised on next command in interactive mode.
The implementation is done manually as the generator does not support
wrapping lists of C pointers into Python objects.
python/libvirt-override-api.xml: Document
python/libvirt-override-virConnect.py: Implementation for listAllSecrets.
python/libvirt-override.c: Implementation for the wrapper.
The implementation is done manually as the generator does not support
wrapping lists of C pointers into Python objects.
python/libvirt-override-api.xml: Document
python/libvirt-override-virConnect.py:
* Implementation for listAllNWFilters.
python/libvirt-override.c: Implementation for the wrapper.
The implementation is done manually as the generator does not support
wrapping lists of C pointers into Python objects.
python/libvirt-override-api.xml: Document
python/libvirt-override-virConnect.py:
* Implementation for listAllNodeDevices.
python/libvirt-override.c: Implementation for the wrapper.
The implementation is done manually as the generator does not support
wrapping lists of C pointers into Python objects.
python/libvirt-override-api.xml: Document
python/libvirt-override-virConnect.py:
* New file, includes implementation of listAllInterfaces.
python/libvirt-override.c: Implementation for the wrapper.
The new_params variable must be initialized in case the
virDomainGetSchedulerParameters call fails and we hit the cleanup
section before actually allocating the new parameters.
Signed-off-by: Federico Simoncelli <fsimonce@redhat.com>
When deciding whether to provide an auth function callback
in openAuth(), credcb was checked against NULL, when it
really needs to be checked against Py_None
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
If an exception occurs in the python callback for openAuth()
the stack trace isn't seen by the apps, since this code is
called from libvirt context. To aid diagnostics, print the
error to stderr at least
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
If passing a 'credtype' parameter which was an empty list
to the python openAuth() API, the 'credtype' field in
the virConnectAuth struct would not be initialized. This
lead to a crash when later trying to free that field.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The implementation is done manually as the generator does not support
wrapping lists of C pointers into Python objects.
python/libvirt-override-api.xml: Document
python/libvirt-override-virConnect.py: Implement listAllNetworks.
python/libvirt-override.c: Implementation for the wrapper.
The implementation is done manually as the generator does not support
wrapping lists of C pointers into Python objects.
python/libvirt-override-api.xml: Document
python/libvirt-override-virStoragePool.py:
* New file, includes implementation of listAllVolumes.
python/libvirt-override.c: Implementation for the wrapper.
The unused reason parameter of PM{Suspend,Wakeup} event callbacks was
completely ignored in lot of places and those events were not actually
working at all.
The implementation is done manually as the generator does not support
wrapping lists of C pointers into Python objects.
python/libvirt-override-api.xml: Document
python/libvirt-override-virConnect.py: Add listAllStoragePools
python/libvirt-override.c: Implementation for the wrapper.
A user reported this crash when using python bindings:
File "/home/nox/workspace/NOX/src/NOX/hooks.py", line 134, in trigger
hook.trigger(event)
File "/home/nox/workspace/NOX/src/NOX/hooks.py", line 33, in trigger
self.handlers[event]()
File "/home/nox/workspace/NOX/hooks/volatility.py", line 81, in memory_dump
for block in Memory(self.ctx):
File "/home/see/workspace/NOX/src/NOX/lib/libtools.py", line 179, in next
libvirt.VIR_MEMORY_PHYSICAL)
File "/usr/lib/python2.7/dist-packages/libvirt.py", line 1759, in memoryPeek
ret = libvirtmod.virDomainMemoryPeek(self._o, start, size, flags)
SystemError: error return without exception set
In the python bindings, returning NULL makes python think an
exception was thrown, while returning the None object lets the
wrappers know that a libvirt error exists.
Reported by Nox DaFox, fix suggested by Dan Berrange.
* python/libvirt-override.c (libvirt_virDomainBlockPeek)
(libvirt_virDomainMemoryPeek): Return python's None object, so
wrapper knows to check libvirt error.
When the guest changes its memory balloon applications may want
to know what the new value is, without having to periodically
poll on XML / domain info. Introduce a "balloon change" event
to let apps see this
* include/libvirt/libvirt.h.in: Define the
virConnectDomainEventBalloonChangeCallback callback
and VIR_DOMAIN_EVENT_ID_BALLOON_CHANGE constant
* python/libvirt-override-virConnect.py,
python/libvirt-override.c: Wire up helpers for new event
* daemon/remote.c: Helper for serializing balloon event
* examples/domain-events/events-c/event-test.c,
examples/domain-events/events-python/event-test.py: Add
example of balloon event usage
* src/conf/domain_event.c, src/conf/domain_event.h: Handling
of balloon events
* src/remote/remote_driver.c: Add handler of balloon events
* src/remote/remote_protocol.x: Define wire protocol for
balloon events
* src/remote_protocol-structs: Likewise.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This adds support for the new virDomainListAllSnapshots (a domain
function) and virDomainSnapshotListAllChildren (a snapshot function)
to the libvirt-python bindings. The implementation is done manually
as the generator does not support wrapping lists of C pointers into
python objects.
* python/libvirt-override.c (libvirt_virDomainListAllSnapshots)
(libvirt_virDomainSnapshotListAllChildren): New functions.
* python/libvirt-override-api.xml: Document them.
* python/libvirt-override-virDomain.py (listAllSnapshots): New
file.
* python/libvirt-override-virDomainSnapshot.py (listAllChildren):
Likewise.
* python/Makefile.am (CLASSES_EXTRA): Ship them.
This patch adds export of the new API function
virConnectListAllDomains() to the libvirt-python bindings. The
virConnect object now has method "listAllDomains" that takes only the
flags parameter and returns a python list of virDomain object
corresponding to virDomainPtrs returned by the underlying api.
The implementation is done manually as the generator does not support
wrapping list of virDomainPtrs into virDomain objects.
Python exceptions are different than libvirt errors, and we had
some corner case bugs on OOM situations.
* python/libvirt-override.c (libvirt_virDomainSnapshotListNames)
(libvirt_virDomainSnapshotListChildrenNames): Use correct error
returns, avoid segv on OOM, and avoid memory leaks on error.
Related coverity log:
Error: FORWARD_NULL:
/builddir/build/BUILD/libvirt-0.9.10/python/libvirt-override.c:355:
assign_zero: Assigning: "params" = 0.
/builddir/build/BUILD/libvirt-0.9.10/python/libvirt-override.c:458:
var_deref_model: Passing null variable "params" to function
"getPyVirTypedParameter", which dereferences it. (The dereference is assumed on
the basis of the 'nonnull' parameter attribute.)
Return statements with parameter enclosed in parentheses were modified
and parentheses were removed. The whole change was scripted, here is how:
List of files was obtained using this command:
git grep -l -e '\<return\s*([^()]*\(([^()]*)[^()]*\)*)\s*;' | \
grep -e '\.[ch]$' -e '\.py$'
Found files were modified with this command:
sed -i -e \
's_^\(.*\<return\)\s*(\(\([^()]*([^()]*)[^()]*\)*\))\s*\(;.*$\)_\1 \2\4_' \
-e 's_^\(.*\<return\)\s*(\([^()]*\))\s*\(;.*$\)_\1 \2\3_'
Then checked for nonsense.
The whole command looks like this:
git grep -l -e '\<return\s*([^()]*\(([^()]*)[^()]*\)*)\s*;' | \
grep -e '\.[ch]$' -e '\.py$' | xargs sed -i -e \
's_^\(.*\<return\)\s*(\(\([^()]*([^()]*)[^()]*\)*\))\s*\(;.*$\)_\1 \2\4_' \
-e 's_^\(.*\<return\)\s*(\([^()]*\))\s*\(;.*$\)_\1 \2\3_'
This patch introduces a new event type for the QMP event
SUSPEND:
VIR_DOMAIN_EVENT_ID_PMSUSPEND
The event doesn't take any data, but considering there might
be reason for wakeup in future, the callback definition is:
typedef void
(*virConnectDomainEventSuspendCallback)(virConnectPtr conn,
virDomainPtr dom,
int reason,
void *opaque);
"reason" is unused currently, always passes "0".
This patch introduces a new event type for the QMP event
WAKEUP:
VIR_DOMAIN_EVENT_ID_PMWAKEUP
The event doesn't take any data, but considering there might
be reason for wakeup in future, the callback definition is:
typedef void
(*virConnectDomainEventWakeupCallback)(virConnectPtr conn,
virDomainPtr dom,
int reason,
void *opaque);
"reason" is unused currently, always passes "0".
This patch introduces a new event type for the QMP event
DEVICE_TRAY_MOVED, which occurs when the tray of a removable
disk is moved (i.e opened or closed):
VIR_DOMAIN_EVENT_ID_TRAY_CHANGE
The event's data includes the device alias and the reason
for tray status' changing, which indicates why the tray
status was changed. Thus the callback definition for the event
is:
enum {
VIR_DOMAIN_EVENT_TRAY_CHANGE_OPEN = 0,
VIR_DOMAIN_EVENT_TRAY_CHANGE_CLOSE,
\#ifdef VIR_ENUM_SENTINELS
VIR_DOMAIN_EVENT_TRAY_CHANGE_LAST
\#endif
} virDomainEventTrayChangeReason;
typedef void
(*virConnectDomainEventTrayChangeCallback)(virConnectPtr conn,
virDomainPtr dom,
const char *devAlias,
int reason,
void *opaque);
