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Libvirt provides a portable, long term stable C API for managing the virtualization technologies provided by many operating systems. It includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER Hypervisor.
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Daniel P. Berrange ceacc1dd4f Provide a simple object for encoding/decoding RPC messages 
This provides a new struct that contains a buffer for the RPC
message header+payload, as well as a decoded copy of the message
header. There is an API for applying a XDR encoding & decoding
of the message headers and payloads. There are also APIs for
maintaining a simple FIFO queue of message instances.

Expected usage scenarios are:

To send a message

   msg = virNetMessageNew()

   ...fill in msg->header fields..
   virNetMessageEncodeHeader(msg)
   ...loook at msg->header fields to determine payload filter
   virNetMessageEncodePayload(msg, xdrfilter, data)
   ...send msg->bufferLength worth of data from buffer

To receive a message

   msg = virNetMessageNew()
   ...read VIR_NET_MESSAGE_LEN_MAX of data into buffer
   virNetMessageDecodeLength(msg)
   ...read msg->bufferLength-msg->bufferOffset of data into buffer
   virNetMessageDecodeHeader(msg)
   ...look at msg->header fields to determine payload filter
   virNetMessageDecodePayload(msg, xdrfilter, data)
   ...run payload processor

* src/Makefile.am: Add to libvirt-net-rpc.la
* src/rpc/virnetmessage.c, src/rpc/virnetmessage.h: Internal
  message handling API.
* testutils.c, testutils.h: Helper for printing binary differences
* virnetmessagetest.c: Validate all XDR encoding/decoding
2011-06-24 11:48:14 +01:00
.gnulib@478c2dcc83 build: update to latest gnulib 2011-06-23 10:52:08 -06:00
daemon Promote virEvent*Handle/Timeout to public API 2011-06-21 10:08:47 -04:00
docs documenting the 802.1Qbh parameters of a 'direct' interface 2011-06-23 11:05:24 -06:00
examples python: events: Fix C->Python handle callback prototype 2011-06-21 10:08:48 -04:00
include Promote virEvent*Handle/Timeout to public API 2011-06-21 10:08:47 -04:00
m4 tests: Lower stack usage below 4096 bytes 2011-04-30 19:59:52 +02:00
po Provide a simple object for encoding/decoding RPC messages 2011-06-24 11:48:14 +01:00
python build: avoid python 2.4 build failure 2011-06-23 22:09:00 -06:00
src Provide a simple object for encoding/decoding RPC messages 2011-06-24 11:48:14 +01:00
tests Provide a simple object for encoding/decoding RPC messages 2011-06-24 11:48:14 +01:00
tools maint: remove syntax-check exception 2011-06-22 10:45:21 -06:00
.dir-locals.el maint: make spacing in .sh files easier 2011-03-14 21:57:42 -06:00
.gitignore Defines the basics of a generic RPC protocol in XDR 2011-06-24 11:48:10 +01:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap spice: add <clipboard copypaste='yes|no'> option 2011-06-14 17:03:26 -06:00
AUTHORS documenting the 802.1Qbh parameters of a 'direct' interface 2011-06-23 11:05:24 -06:00
autobuild.sh Remove the Open Nebula driver 2011-03-28 14:09:11 +01:00
autogen.sh build: avoid problems with autogen.sh runs from tarball 2011-02-12 06:28:28 -07:00
bootstrap build: update to latest gnulib 2011-06-23 10:52:08 -06:00
bootstrap.conf build: require newer gettext 2011-05-19 17:54:47 -06:00
cfg.mk Provide a simple object for encoding/decoding RPC messages 2011-06-24 11:48:14 +01:00
ChangeLog-old generate ChangeLog from git logs into distribution tarball 2009-07-08 16:17:51 +02:00
configure.ac configure: Make libnl optional unless macvtap is required 2011-06-23 11:51:00 -04:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
HACKING maint: rename virBufferVSprintf to virBufferAsprintf 2011-05-05 13:47:40 -06:00
libvirt.pc.in * libvirt.pc.in: applied patch from Daniel Berrange to fix --cflags 2006-03-24 13:18:12 +00:00
libvirt.spec.in build: require newer netcf when it is available 2011-06-21 14:27:32 -06:00
Makefile.am Re-add libvirt.spec to tarball to allwo "make rpm" 2011-05-09 14:23:19 +08:00
Makefile.nonreentrant Ban use of all inet_* functions 2010-10-22 11:59:23 +01:00
mingw32-libvirt.spec.in Remove iohelper on Win32 since it is not required 2011-03-31 17:41:51 +01:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking maint: relax git minimum version 2010-02-24 14:29:27 -05:00
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00

README 

         LibVirt : simple API for virtualization

  Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.

Daniel Veillard <veillard@redhat.com>