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The qemu developers have made it clear that modern qemu will no longer guarantee human monitor command stability; furthermore, some features, such as async events, are only supported via qmp. If we are compiled without support for handling JSON, we cannot expect to sanely interact with modern qemu. However, things must continue to build on RHEL 5, where qemu is stuck at 0.10, and where yajl is not available. Another benefit of this patch: future additions of new monitor commands need only focus on qemu_monitor_json.c, instead of also wasting time with qemu_monitor_text.c. * src/qemu/qemu_capabilities.c (qemuCapsComputeCmdFlags): Report error if yajl is missing but qemu requires qmp. (qemuCapsParseHelpStr): Propagate error. (qemuCapsExtractVersionInfo): Update caller. * tests/qemuhelptest.c (testHelpStrParsing): Likewise.
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>