37800af9a4
When the daemons were split out from the monolithic libvirtd, the network driver didn't implement "inhibit idle timeout if there are any active objects" as was done for other drivers, so virtnetworkd would always exit after 120 seconds of no incoming connections. This didn't every cause any visible problem, although it did mean that anytime a network API was called after an idle time > 120 seconds, that the restarting virtnetworkd would flush and reload all the iptables/nftables rules for any active networks. This patch replicates what is done in the QEMU driver - an nactive is added to the network driver object, along with an inhibitCallback; the latter is passed into networkStateInitialize when the driver is loaded, and the former is incremented for each already-active network, then incremented/decremented each time a network is started or stopped. If nactive transitions from 0 to 1 or 1 to 0, inhibitCallback is called, and it "does the right stuff" to prevent/enable the idle timeout. Signed-off-by: Laine Stump <laine@redhat.com> Reviewed-by: Martin Kletzander <mkletzan@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> |
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Libvirt API for virtualization
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.
For some of these hypervisors, it provides a stateful management daemon which runs on the virtualization host allowing access to the API both by non-privileged local users and remote users.
Layered packages provide bindings of the libvirt C API into other languages including Python, Perl, PHP, Go, Java, OCaml, as well as mappings into object systems such as GObject, CIM and SNMP.
Further information about the libvirt project can be found on the website:
License
The libvirt C API is distributed under the terms of GNU Lesser General Public License, version 2.1 (or later). Some parts of the code that are not part of the C library may have the more restrictive GNU General Public License, version 2.0 (or later). See the files COPYING.LESSER and COPYING for full license terms & conditions.
Installation
Instructions on building and installing libvirt can be found on the website:
https://libvirt.org/compiling.html
Contributing
The libvirt project welcomes contributions in many ways. For most components the best way to contribute is to send patches to the primary development mailing list. Further guidance on this can be found on the website:
https://libvirt.org/contribute.html
Contact
The libvirt project has two primary mailing lists:
- users@lists.libvirt.org (for user discussions)
- devel@lists.libvirt.org (for development only)
Further details on contacting the project are available on the website: