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// +build !without_qemu
/*
* This file is part of the libvirt-go project
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* Copyright (c) 2013 Alex Zorin
* Copyright (C) 2016 Red Hat, Inc.
*
*/
package libvirt
/*
#cgo pkg-config: libvirt
// Can't rely on pkg-config for libvirt-qemu since it was not
// installed until 2.6.0 onwards
#cgo LDFLAGS: -lvirt-qemu
#include <stdlib.h>
#include "qemu_wrapper.h"
*/
import "C"
import (
"unsafe"
)
/*
* QMP has two different kinds of ways to talk to QEMU. One is legacy (HMP,
* or 'human' monitor protocol. The default is QMP, which is all-JSON.
*
* QMP json commands are of the format:
* {"execute" : "query-cpus"}
*
* whereas the same command in 'HMP' would be:
* 'info cpus'
*/
type DomainQemuMonitorCommandFlags int
const (
DOMAIN_QEMU_MONITOR_COMMAND_DEFAULT = DomainQemuMonitorCommandFlags(C.VIR_DOMAIN_QEMU_MONITOR_COMMAND_DEFAULT)
DOMAIN_QEMU_MONITOR_COMMAND_HMP = DomainQemuMonitorCommandFlags(C.VIR_DOMAIN_QEMU_MONITOR_COMMAND_HMP)
)
type DomainQemuAgentCommandTimeout int
const (
DOMAIN_QEMU_AGENT_COMMAND_MIN = DomainQemuAgentCommandTimeout(C.VIR_DOMAIN_QEMU_AGENT_COMMAND_MIN)
DOMAIN_QEMU_AGENT_COMMAND_BLOCK = DomainQemuAgentCommandTimeout(C.VIR_DOMAIN_QEMU_AGENT_COMMAND_BLOCK)
DOMAIN_QEMU_AGENT_COMMAND_DEFAULT = DomainQemuAgentCommandTimeout(C.VIR_DOMAIN_QEMU_AGENT_COMMAND_DEFAULT)
DOMAIN_QEMU_AGENT_COMMAND_NOWAIT = DomainQemuAgentCommandTimeout(C.VIR_DOMAIN_QEMU_AGENT_COMMAND_NOWAIT)
DOMAIN_QEMU_AGENT_COMMAND_SHUTDOWN = DomainQemuAgentCommandTimeout(C.VIR_DOMAIN_QEMU_AGENT_COMMAND_SHUTDOWN)
)
type DomainQemuMonitorEventFlags int
const (
CONNECT_DOMAIN_QEMU_MONITOR_EVENT_REGISTER_REGEX = DomainQemuMonitorEventFlags(C.VIR_CONNECT_DOMAIN_QEMU_MONITOR_EVENT_REGISTER_REGEX)
CONNECT_DOMAIN_QEMU_MONITOR_EVENT_REGISTER_NOCASE = DomainQemuMonitorEventFlags(C.VIR_CONNECT_DOMAIN_QEMU_MONITOR_EVENT_REGISTER_NOCASE)
)
func (d *Domain) QemuMonitorCommand(command string, flags DomainQemuMonitorCommandFlags) (string, error) {
var cResult *C.char
cCommand := C.CString(command)
defer C.free(unsafe.Pointer(cCommand))
var err C.virError
result := C.virDomainQemuMonitorCommandWrapper(d.ptr, cCommand, &cResult, C.uint(flags), &err)
if result != 0 {
return "", makeError(&err)
}
rstring := C.GoString(cResult)
C.free(unsafe.Pointer(cResult))
return rstring, nil
}
func (d *Domain) QemuAgentCommand(command string, timeout DomainQemuAgentCommandTimeout, flags uint32) (string, error) {
cCommand := C.CString(command)
defer C.free(unsafe.Pointer(cCommand))
var err C.virError
result := C.virDomainQemuAgentCommandWrapper(d.ptr, cCommand, C.int(timeout), C.uint(flags), &err)
if result == nil {
return "", makeError(&err)
}
rstring := C.GoString(result)
C.free(unsafe.Pointer(result))
return rstring, nil
}
func (c *Connect) DomainQemuAttach(pid uint32, flags uint32) (*Domain, error) {
var err C.virError
ptr := C.virDomainQemuAttachWrapper(c.ptr, C.uint(pid), C.uint(flags), &err)
if ptr == nil {
return nil, makeError(&err)
}
return &Domain{ptr: ptr}, nil
}
type DomainQemuMonitorEvent struct {
Event string
Seconds int64
Micros uint
Details string
}
type DomainQemuMonitorEventCallback func(c *Connect, d *Domain, event *DomainQemuMonitorEvent)
//export domainQemuMonitorEventCallback
func domainQemuMonitorEventCallback(c C.virConnectPtr, d C.virDomainPtr,
event *C.char, seconds C.longlong, micros C.uint, details *C.char, goCallbackId int) {
domain := &Domain{ptr: d}
connection := &Connect{ptr: c}
eventDetails := &DomainQemuMonitorEvent{
Event: C.GoString(event),
Seconds: int64(seconds),
Micros: uint(micros),
Details: C.GoString(details),
}
callbackFunc := getCallbackId(goCallbackId)
callback, ok := callbackFunc.(DomainQemuMonitorEventCallback)
if !ok {
panic("Inappropriate callback type called")
}
callback(connection, domain, eventDetails)
}
func (c *Connect) DomainQemuMonitorEventRegister(dom *Domain, event string, callback DomainQemuMonitorEventCallback, flags DomainQemuMonitorEventFlags) (int, error) {
if C.LIBVIR_VERSION_NUMBER < 1002003 {
return 0, makeNotImplementedError("virConnectDomainQemuMonitorEventRegister")
}
cEvent := C.CString(event)
defer C.free(unsafe.Pointer(cEvent))
goCallBackId := registerCallbackId(callback)
var cdom C.virDomainPtr
if dom != nil {
cdom = dom.ptr
}
var err C.virError
ret := C.virConnectDomainQemuMonitorEventRegisterWrapper(c.ptr, cdom,
cEvent,
C.long(goCallBackId),
C.uint(flags), &err)
if ret < 0 {
freeCallbackId(goCallBackId)
return 0, makeError(&err)
}
return int(ret), nil
}
func (c *Connect) DomainQemuEventDeregister(callbackId int) error {
if C.LIBVIR_VERSION_NUMBER < 1002003 {
return makeNotImplementedError("virConnectDomainQemuMonitorEventDeregister")
}
// Deregister the callback
var err C.virError
ret := int(C.virConnectDomainQemuMonitorEventDeregisterWrapper(c.ptr, C.int(callbackId), &err))
if ret < 0 {
return makeError(&err)
}
return nil
}
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