Commit Graph

34 Commits

Author SHA1 Message Date
Eric Blake
f8db6c90e3 build: fix example build on MacOS X
Partial reversion of commit 76d87a59, now that bootstrap is smarter.

* .gnulib: Update to latest, for poll and bootstrap fixes.
* bootstrap: Resync from gnulib.
* autogen.sh: Drop redundant tool checks; bootstrap does them
better, by honoring environment variables.
* examples/domain-events/events-c/Makefile.am (INCLUDES)
(event_test_LDADD): Use gnulib library during build.
* bootstrap.conf (gnulib_tool_option_extras): Revert --libtool
addition, now that updated bootstrap does it for us.
Reported by Justin Clift.
2010-09-30 11:34:00 -06:00
Matthias Bolte
56c33caaec Cygwin's GCC doesn't like this .sa_handler initialization for some reason 2010-04-26 21:13:47 +02:00
Daniel P. Berrange
de8ecb12cb Fix printing of event detail in python events demo program
The events demo program is slightly misleading printing

  myDomainEventCallback1 EVENT: Domain f14i686(-1) Added

which is not distinguishing Add vs Update events. It should have
been doing

  myDomainEventCallback1 EVENT: Domain f14i686(-1) Defined Updated

* examples/domain-events/events-python/event-test.py: Fully print
  event detail info string
2010-04-22 17:15:48 +01:00
Daniel P. Berrange
6df7d55d39 Fix up python bindings for new event callbacks
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
2010-04-08 12:41:40 +01:00
Daniel P. Berrange
987e31edc9 Add domain events for graphics network clients
This introduces a new event type

   VIR_DOMAIN_EVENT_ID_GRAPHICS

The same event can be emitted in 3 scenarios

  typedef enum {
      VIR_DOMAIN_EVENT_GRAPHICS_CONNECT = 0,
      VIR_DOMAIN_EVENT_GRAPHICS_INITIALIZE,
      VIR_DOMAIN_EVENT_GRAPHICS_DISCONNECT,
  } virDomainEventGraphicsPhase;

Connect/disconnect are triggered at socket accept/close.
The initialize phase is immediately after the protocol
setup and authentication has completed. ie when the
client is authorized and about to start interacting with
the graphical desktop

This event comes with *a lot* of potential information

 - IP address, port & address family of client
 - IP address, port & address family of server
 - Authentication scheme (arbitrary string)
 - Authenticated subject identity. A subject may have
   multiple identities with some authentication schemes.
   For example, vencrypt+sasl results in a x509dname
   and saslUsername identities.

This results in a very complicated callback :-(

   typedef enum {
      VIR_DOMAIN_EVENT_GRAPHICS_ADDRESS_IPV4,
      VIR_DOMAIN_EVENT_GRAPHICS_ADDRESS_IPV6,
   } virDomainEventGraphicsAddressType;

   struct _virDomainEventGraphicsAddress {
       int family;
       const char *node;
       const char *service;
   };
   typedef struct _virDomainEventGraphicsAddress virDomainEventGraphicsAddress;
   typedef virDomainEventGraphicsAddress *virDomainEventGraphicsAddressPtr;

   struct _virDomainEventGraphicsSubject {
      int nidentity;
      struct {
          const char *type;
          const char *name;
      } *identities;
   };
   typedef struct _virDomainEventGraphicsSubject virDomainEventGraphicsSubject;
   typedef virDomainEventGraphicsSubject *virDomainEventGraphicsSubjectPtr;

   typedef void (*virConnectDomainEventGraphicsCallback)(virConnectPtr conn,
                                                         virDomainPtr dom,
                                                         int phase,
                                                         virDomainEventGraphicsAddressPtr local,
                                                         virDomainEventGraphicsAddressPtr remote,
                                                         const char *authScheme,
                                                         virDomainEventGraphicsSubjectPtr subject,
                                                         void *opaque);

The wire protocol is similarly complex

   struct remote_domain_event_graphics_address {
     int family;
     remote_nonnull_string node;
     remote_nonnull_string service;
   };

   const REMOTE_DOMAIN_EVENT_GRAPHICS_IDENTITY_MAX = 20;

   struct remote_domain_event_graphics_identity {
     remote_nonnull_string type;
     remote_nonnull_string name;
   };

   struct remote_domain_event_graphics_msg {
     remote_nonnull_domain dom;
     int phase;
     remote_domain_event_graphics_address local;
     remote_domain_event_graphics_address remote;
     remote_nonnull_string authScheme;
     remote_domain_event_graphics_identity subject<REMOTE_DOMAIN_EVENT_GRAPHICS_IDENTITY_MAX>;
   };

This is currently implemented in QEMU for the VNC graphics
protocol, but designed to be usable with SPICE graphics in
the future too.

* daemon/remote.c: Dispatch graphics events to client
* examples/domain-events/events-c/event-test.c: Watch for
  graphics events
* include/libvirt/libvirt.h.in: Define new graphics event ID
  and callback signature
* src/conf/domain_event.c, src/conf/domain_event.h,
  src/libvirt_private.syms: Extend API to handle graphics events
* src/qemu/qemu_driver.c: Connect to the QEMU monitor event
  for VNC events and emit a libvirt graphics event
* src/remote/remote_driver.c: Receive and dispatch graphics
  events to application
* src/remote/remote_protocol.x: Wire protocol definition for
  graphics events
* src/qemu/qemu_monitor.c, src/qemu/qemu_monitor.h,
  src/qemu/qemu_monitor_json.c: Watch for VNC_CONNECTED,
  VNC_INITIALIZED & VNC_DISCONNETED events from QEMU monitor
2010-03-26 13:53:20 +00:00
Daniel P. Berrange
71d793faaf Add support for an explicit IO error event
This introduces a new event type

   VIR_DOMAIN_EVENT_ID_IO_ERROR

This event includes the action that is about to be taken
as a result of the watchdog triggering

  typedef enum {
     VIR_DOMAIN_EVENT_IO_ERROR_NONE = 0,
     VIR_DOMAIN_EVENT_IO_ERROR_PAUSE,
     VIR_DOMAIN_EVENT_IO_ERROR_REPORT,
  } virDomainEventIOErrorAction;

In addition it has the source path of the disk that had the
error and its unique device alias. It does not include the
target device name (/dev/sda), since this would preclude
triggering IO errors from other file backed devices (eg
serial ports connected to a file)

Thus there is a new callback definition for this event type

typedef void (*virConnectDomainEventIOErrorCallback)(virConnectPtr conn,
                                                     virDomainPtr dom,
                                                     const char *srcPath,
                                                     const char *devAlias,
                                                     int action,
                                                     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
2010-03-26 13:53:11 +00:00
Daniel P. Berrange
c5728cd618 Add support for an explicit watchdog event
This introduces a new event type

   VIR_DOMAIN_EVENT_ID_WATCHDOG

This event includes the action that is about to be taken
as a result of the watchdog triggering

 typedef enum {
     VIR_DOMAIN_EVENT_WATCHDOG_NONE = 0,
     VIR_DOMAIN_EVENT_WATCHDOG_PAUSE,
     VIR_DOMAIN_EVENT_WATCHDOG_RESET,
     VIR_DOMAIN_EVENT_WATCHDOG_POWEROFF,
     VIR_DOMAIN_EVENT_WATCHDOG_SHUTDOWN,
     VIR_DOMAIN_EVENT_WATCHDOG_DEBUG,
 } virDomainEventWatchdogAction;

Thus there is a new callback definition for this event type

 typedef void (*virConnectDomainEventWatchdogCallback)(virConnectPtr conn,
                                                       virDomainPtr dom,
                                                       int action,
                                                       void *opaque);

* daemon/remote.c: Dispatch watchdog events to client
* examples/domain-events/events-c/event-test.c: Watch for
  watchdog events
* include/libvirt/libvirt.h.in: Define new watchdg event ID
  and callback signature
* src/conf/domain_event.c, src/conf/domain_event.h,
  src/libvirt_private.syms: Extend API to handle watchdog events
* src/qemu/qemu_driver.c: Connect to the QEMU monitor event
  for watchdogs and emit a libvirt watchdog event
* src/remote/remote_driver.c: Receive and dispatch watchdog
  events to application
* src/remote/remote_protocol.x: Wire protocol definition for
  watchdog events
* src/qemu/qemu_monitor.c, src/qemu/qemu_monitor.h,
  src/qemu/qemu_monitor_json.c: Watch for WATCHDOG event
  from QEMU monitor
2010-03-26 13:53:01 +00:00
Daniel P. Berrange
32e6ac9c26 Add support for an explicit RTC change event
This introduces a new event type

   VIR_DOMAIN_EVENT_ID_RTC_CHANGE

This event includes the new UTC offset measured in seconds.
Thus there is a new callback definition for this event type

 typedef void (*virConnectDomainEventRTCChangeCallback)(virConnectPtr conn,
                                                        virDomainPtr dom,
                                                        long long utcoffset,
                                                        void *opaque);

If the guest XML configuration for the <clock> is set to
offset='variable', then the XML will automatically be
updated with the new UTC offset value. This ensures that
during migration/save/restore the new offset is preserved.

* daemon/remote.c: Dispatch RTC change events to client
* examples/domain-events/events-c/event-test.c: Watch for
  RTC change events
* include/libvirt/libvirt.h.in: Define new RTC change event ID
  and callback signature
* src/conf/domain_event.c, src/conf/domain_event.h,
  src/libvirt_private.syms: Extend API to handle RTC change events
* src/qemu/qemu_driver.c: Connect to the QEMU monitor event
  for RTC changes and emit a libvirt RTC change event
* src/remote/remote_driver.c: Receive and dispatch RTC change
  events to application
* src/remote/remote_protocol.x: Wire protocol definition for
  RTC change events
* src/qemu/qemu_monitor.c, src/qemu/qemu_monitor.h,
  src/qemu/qemu_monitor_json.c: Watch for RTC_CHANGE event
  from QEMU monitor
2010-03-26 13:52:50 +00:00
Daniel P. Berrange
8613273458 Add support for an explicit guest reboot event
The reboot event is not a normal lifecycle event, since the
virtual machine on the host does not change state. Rather the
guest OS is resetting the virtual CPUs. ie, the QEMU process
does not restart. Thus, this does not belong in the current
lifecycle events callback.

This introduces a new event type

    VIR_DOMAIN_EVENT_ID_REBOOT

It takes no parameters, besides the virDomainPtr, so it can
use the generic callback signature.

* daemon/remote.c: Dispatch reboot events to client
* examples/domain-events/events-c/event-test.c: Watch for
  reboot events
* include/libvirt/libvirt.h.in: Define new reboot event ID
* src/conf/domain_event.c, src/conf/domain_event.h,
  src/libvirt_private.syms: Extend API to handle reboot events
* src/qemu/qemu_driver.c: Connect to the QEMU monitor event
  for reboots and emit a libvirt reboot event
* src/remote/remote_driver.c: Receive and dispatch reboot
  events to application
* src/remote/remote_protocol.x: Wire protocol definition for
  reboot events
2010-03-26 13:52:43 +00:00
Daniel P. Berrange
6bae6677c8 Convert domain events example to new API
Convert the domain events example program to use the new
events APIs for one of its callback registrations to demo the
new API and interoperability with the old API.

* examples/domain-events/events-c/event-test.c: Convert to
  new events API
2010-03-26 13:52:34 +00:00
Philipp Hahn
1cfbfaa697 python example: poll(-0.001) does not sleep forever
The conversion from seconds to milliseconds should only be done for
actual delays >= 0, not for the magic -1 value used for infinite
timeouts.

Signed-off-by: Philipp Hahn <hahn@univention.de>
2010-03-24 10:26:23 +01:00
Eric Blake
36d8e7d8d7 build: consistently indent preprocessor directives
* global: patch created by running:
for f in $(git ls-files '*.[ch]') ; do
    cppi $f > $f.t && mv $f.t $f
done
2010-03-09 19:22:28 +01:00
Eric Blake
6b8d8395b6 maint: avoid excess parens in STREQ
* src/internal.h (STREQ, STRCASEEQ, STRNEQ, STRCASENEQ, STREQLEN)
(STRCASEEQLEN, STRNEQLEN, STRCASENEQLEN, STRPREFIX): Avoid
redundant parenthesis.
* examples/domain-events/events-c/event-test.c (STREQ): Likewise.
* src/storage/parthelper.c (STREQ): Likewise.
2010-02-01 17:21:26 +01:00
Matthias Bolte
7f7676e77b Don't call disabled timer callbacks in event-test.c
This fixes a segfault in the remote driver that occurs for example when
the event-test is run inside a domain-0 and libvirtd is also running.
2010-01-26 21:23:18 +01:00
Daniel P. Berrange
93f77250b3 Rewrite example domain events programm for python
The existing python demo for domain events does not fully
implement the event loop contract. This makes the code useless
for real world applications. This change re-writes the demo so
that it has a full event loop implementation which is suitable
for application usage & better demonstrates integration

* examples/domain-events/events-python/event-test.py: Rewrite
  to include a real world usable event loop implementation
2009-10-09 13:05:10 +01:00
Jiri Denemark
3bd4c7ba16 Fix build in separate build directory
* cfg.mk: use $(srcdir)/ prefix for Makefile.nonreentrant include
* examples/domain-events/events-c/Makefile.am tools/Makefile.am
  examples/hellolibvirt/Makefile.am: extend the include paths to
  use $(top_srcdir)/include too.
2009-10-01 16:55:09 +02:00
Jim Meyering
07613d2020 remove all trailing blank lines
by running this command:
git ls-files -z | xargs -0 perl -pi -0777 -e 's/\n\n+$/\n/'
This is in preparation for a more strict make syntax-check
rule that will detect trailing blank lines.
2009-07-16 15:06:42 +02:00
Jim Meyering
fb98f4b10d remove all .cvsignore files 2009-07-08 16:17:51 +02:00
Daniel P. Berrange
7c99cb93c5 Fix python domain events example & binding 2009-05-28 11:02:11 +00:00
Daniel Veillard
a76e46044d Fix the example code for event handling in C
* examples/domain-events/events-c/event-test.c: fixed the example
  code for event handling, patch by Pritesh Kothari
daniel
2009-05-25 09:44:10 +00:00
Daniel P. Berrange
a485cae819 Replace __FUNCTION__ with __func__ for better portability (John Levon) 2008-12-18 12:25:11 +00:00
Daniel P. Berrange
1eeceaa649 Support domain lifecycle events for Xen (Ben Guthro & Daniel Berrange) 2008-11-25 10:44:52 +00:00
Daniel P. Berrange
c673689430 Fix python bindings events code (David Lively) 2008-11-24 19:28:12 +00:00
Jim Meyering
4733f0a781 * gnulib/tests/test-EOVERFLOW: Remove.
* gnulib/tests/.cvsignore: Add test-EOVERFLOW, then...
Run "make sync-vcs-ignore-files" to Update .gitignore files.
2008-11-24 07:09:36 +00:00
Daniel P. Berrange
6d04effac7 Add a virFreeCallback to event loop APIs 2008-11-19 16:24:01 +00:00
Daniel P. Berrange
6d41cb87d3 Change public API for virEventAddHandle to allow multiple registrations per FD 2008-11-19 16:19:36 +00:00
Daniel P. Berrange
3d41e86534 Add a virFreeCallback to virDomainEventRegister (from David Lively) 2008-11-19 15:25:24 +00:00
Daniel P. Berrange
d3d54d2fc9 Add domain events detail information 2008-11-17 16:43:00 +00:00
Daniel P. Berrange
b76154744c Ignore generated makefile 2008-11-03 12:31:53 +00:00
Daniel Veillard
7b716fce8e * python/Makefile.am python/generator.py python/libvir.c
python/libvir.py python/libvirt_wrap.h python/types.c:
  adds support for events from the python bindings, also
  improves the generator allowing to embbed per function
  definition files, patch by Ben Guthro
* examples/domain-events/events-python/event-test.py: also
  adds a programming example
Daniel
2008-10-31 10:13:45 +00:00
Jim Meyering
57d54689da cvsignore mingw build artifacts: *.exe 2008-10-28 17:47:54 +00:00
Jim Meyering
75e69df956 updates from gnulib 2008-10-28 17:47:12 +00:00
Daniel P. Berrange
b38d045dea Remove use of sys/poll.h on mingw 2008-10-24 13:10:30 +00:00
Daniel Veillard
1509b8027f Massive patch adding event APIs by Ben Guthro
* include/libvirt/libvirt.h include/libvirt/libvirt.h.in
  src/libvirt.c src/libvirt_sym.version: new libvirt event entry
  points, big patch provided by Ben Guthro
* Makefile.am configure.in src/driver.h src/event.c src/event.h
  src/internal.h src/libvirt.c src/libvirt_sym.version src/lxc_driver.c
  src/openvz_driver.c src/qemu_conf.h src/qemu_driver.c
  src/remote_internal.c src/storage_backend_fs.c src/test.c
  qemud/event.c qemud/event.h qemud/mdns.c qemud/qemud.c
  qemud/qemud.h qemud/remote.c qemud/remote_dispatch_localvars.h
  qemud/remote_dispatch_proc_switch.h qemud/remote_dispatch_prototypes.h
  qemud/remote_protocol.c qemud/remote_protocol.h
  qemud/remote_protocol.x proxy/Makefile.am python/generator.py:
  Not much is left untouched by the patch adding the events support
* docs/libvirt-api.xml docs/libvirt-refs.xml
  docs/html/libvirt-libvirt.html: regenerated the docs
* examples/domain-events/events-c/Makefile.am
  examples/domain-events/events-c/event-test.c: a test example
* AUTHORS: added Ben Guthro
daniel
2008-10-23 13:18:18 +00:00