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This introduces a new domain
VIR_DOMAIN_EVENT_ID_CONTROL_ERROR
Which uses the existing generic callback
typedef void (*virConnectDomainEventGenericCallback)(virConnectPtr conn,
virDomainPtr dom,
void *opaque);
This event is intended to be emitted when there is a failure in
some part of the domain virtualization system. Whether the domain
continues to run/exist after the failure is an implementation
detail specific to the hypervisor.
The idea is that with some types of failure, hypervisors may
prefer to leave the domain running in a "degraded" mode of
operation. For example, if something goes wrong with the QEMU
monitor, it is possible to leave the guest OS running quite
happily. The mgmt app will simply loose the ability todo various
tasks. The mgmt app can then choose how/when to deal with the
failure that occured.
* daemon/remote.c: Dispatch of new event
* examples/domain-events/events-c/event-test.c: Demo catch
of event
* include/libvirt/libvirt.h.in: Define event ID and callback
* src/conf/domain_event.c, src/conf/domain_event.h: Internal
event handling
* src/remote/remote_driver.c: Receipt of new event from daemon
* src/remote/remote_protocol.x: Wire protocol for new event
* src/remote_protocol-structs: add new event for checks
Commit 824dcaff was a regression (thankfully unreleased) for any
client code that used 'struct _virSchedParameter' directly rather
than the preferred virSchedParameter typedef. Adding a #define
avoids even that API change, while rearranging the file makes it
clear what the old vs. new API is.
* include/libvirt/libvirt.h.in: Rearrange older names to the
bottom and improve documentation on preferred names.
(virDomainGetSchedulerParameters, virDomainSetSchedulerParameters)
(virDomainSetSchedulerParametersFlags)
(virDomainSetBlkioParameters, virDomainGetBlkioParameters)
(virDomainSetMemoryParameters, virDomainGetMemoryParameters):
Use newer type names.
* python/libvirt-override.c: Adjust code generation to cope.
Suggested by Daniel P. Berrange.
py_str() function call PyString_AsString(). As written in documentation,
the caller must not free the returned value, because it points to some
internal structures.
Add proper documentation to the new VIR_DOMAIN_MEMORY_* macros in
libvirt.h.in to placate apibuild.py.
Mark args as unused in for libvirt_virDomain{Get,Set}MemoryParameters
in the Python bindings and add both to the libvirtMethods array.
Update remote_protocol-structs to placate make syntax-check.
Undo unintended modifications in vboxDomainGetInfo.
Update the function table of the VirtualBox and XenAPI drivers.
This patch adds a structure virMemoryParameter, it contains the name of
the
parameter and the type of the parameter along with a union.
dv:
+ rename enums to VIR_DOMAIN_MEMORY_PARAM_*
+ remove some extraneous tabs
v4:
+ Add unsigned int flags to the public api for future extensions
v3:
+ Protoype for virDomainGetMemoryParameters and dummy python binding.
v2:
+ Includes dummy python bindings for the library to build cleanly.
+ Define string constants like "hard_limit", etc.
+ re-order this patch.
This involved a few fixes. To start with,
an virDomainSnapshot object is really tied to a
domain, not a connection, so we have to generate
a slightly different object so that we can get
at self._dom for the object.
Next, we had to "dummy" up an override piece of
XML with a bogus argument that the function doesn't
actually take. That's so that the generator places
virDomainRevertToSnapshot underneath the correct
class (namely, the virDomain class).
Finally, we had to hand-implement the
virDomainRevertToSnapshot implementation, ignoring the
bogus pointer we are being passed.
With all of this in place, I was able to successfully
take a snapshot and revert to it using only the
Python bindings.
Signed-off-by: Chris Lalancette <clalance@redhat.com>
This introduces a new event type
VIR_DOMAIN_EVENT_ID_IO_ERROR_REASON
This event is the same as the previous VIR_DOMAIN_ID_IO_ERROR
event, but also includes a string describing the cause of
the event.
Thus there is a new callback definition for this event type
typedef void (*virConnectDomainEventIOErrorReasonCallback)(virConnectPtr conn,
virDomainPtr dom,
const char *srcPath,
const char *devAlias,
int action,
const char *reason,
void *opaque);
This is currently wired up to the QEMU block IO error events
* daemon/remote.c: Dispatch IO error events to client
* examples/domain-events/events-c/event-test.c: Watch for
IO error events
* include/libvirt/libvirt.h.in: Define new IO error event ID
and callback signature
* src/conf/domain_event.c, src/conf/domain_event.h,
src/libvirt_private.syms: Extend API to handle IO error events
* src/qemu/qemu_driver.c: Connect to the QEMU monitor event
for block IO errors and emit a libvirt IO error event
* src/remote/remote_driver.c: Receive and dispatch IO error
events to application
* src/remote/remote_protocol.x: Wire protocol definition for
IO error events
* src/qemu/qemu_monitor.c, src/qemu/qemu_monitor.h,
src/qemu/qemu_monitor_json.c: Watch for BLOCK_IO_ERROR event
from QEMU monitor
This binds the virDomainGetBlockInfo API to python's blockInfo
method on the domain object
>>> c = libvirt.openReadOnly('qemu:///session')
>>> d = c.lookupByName('demo')
>>> f = d.blockInfo("/dev/loop0", 0)
>>> print f
[1048576000L, 104857600L, 104857600L]
* python/libvirt-override-api.xml: Define override signature
* python/generator.py: Skip C impl generator for virDomainGetBlockInfo
* python/libvirt-override.c: Manual impl of virDomainGetBlockInfo
The generator code was totally wrong for the virDomainSnapshot
APIs, not generating the wrapper class, and giving methods the
wrong names
* generator.py: Set metadata for virDomainSnapshot type & APIs
* libvirt-override-api.xml, libvirt-override.c: Hand-code the
virDomainSnapshotListNames glue layer
The generator was disabled for the new event callbacks, since they
need to be hand written. This patch adds the C and python glue to
expose the new APIs in the python binding. The python example
program is extended to demonstrate of the code
* python/libvirt-override.c: Registration and dispatch of events
at the C layer
* python/libvirt-override-virConnect.py: Python glue for events
* examples/domain-events/events-python/event-test.py: Demo use
of new event callbacks
Introduce a new public API that provides a way to get progress
info on currently running jobs on a virDomainpPtr. APIs that
are initially within scope of this idea are
virDomainMigrate
virDomainMigrateToURI
virDomainSave
virDomainRestore
virDomainCoreDump
These all take a potentially long time and benefit from monitoring.
The virDomainJobInfo struct allows for various pieces of information
to be reported
- Percentage completion
- Time
- Overall data
- Guest memory data
- Guest disk/file data
* include/libvirt/libvirt.h.in: Add virDomainGetJobInfo
* python/generator.py, python/libvirt-override-api.xml,
python/libvirt-override.c: Override for virDomainGetJobInfo API
* python/typewrappers.c, python/typewrappers.h: Introduce wrapper
for unsigned long long type
adds a new python API call for retrieving the running
hypervisor version used by a connection: virConnectGetVersion
* python/generator.py: skip virConnectGetVersion from autogenerated
* python/libvirt-override-api.xml python/libvirt-override.c: define
direct native bindings
Enable virDomainMemoryStats in the python API. dom.memoryStats() will return a
dictionary containing the supported statistics. A dictionary is required
because the meaining of each quantity cannot be inferred from its index in a
list.
* python/generator.py: reenable bindings for this entry point
* python/libvirt-override-api.xml python/libvirt-override.c: the
generator can't handle this new function, add the new binding,
and the XML description
* libvirt-override.c: Add many missing calls to allow threading
when entering C code, otherwise python blocks & then deadlocks
when we have an async event to dispatch back into python code.
Fix return value check for virDomainPinVcpu binding.
* python/generator.py python/libvirt-override-api.xml
python/libvirt-override.c: implement the bindings for
virConnectListInterfaces() and virConnectListDefinedInterfaces()
There is currently no way to determine the libvirt version of a remote
libvirtd we are connected to. This is a useful piece of data to enable
feature detection.
suggested by danpb on irc, patch by danken fixed for proper C syntax
* python/libvirt-override.c: on event callback release the python
interpreter lock and take it again when coming back so that the
callback can reinvoke libvirt.
* README: New file describing what each file is used for
* livvirt-override.c, libvirt-override.py, libvirt-override-api.xml,
libvirt-override-virConnect.py: Manually written code overriding
the generator
* typewrappers.c, typewrappers.h: Data type wrappers
* generator.py: Automatically pre-prend contents of libvirt-override.py
to generated libvirt.py. Output into libvirt.py directly instead of
libvirtclass.py. Don't generate libvirtclass.txt at all. Write C
files into libvirt.c/.h directly
* Makefile.am: Remove rule for creating libvirt.py from libvirt-override.py
and libvirtclass.py, since generator.py does it directly
