go-libvirt-plain/libvirttest/libvirt.go

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// Copyright 2016 The go-libvirt Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package libvirttest provides a mock libvirt server for RPC testing.
package libvirttest
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import (
"encoding/binary"
"net"
"sync/atomic"
"github.com/digitalocean/go-libvirt/internal/constants"
"fmt"
"os"
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)
var testDomainResponse = []byte{
0x00, 0x00, 0x00, 0x38, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x00, 0x17, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
// domain name ("test")
0x00, 0x00, 0x00, 0x04, 0x74, 0x65, 0x73, 0x74,
// uuid (dc229f87d4de47198cfd2e21c6105b01)
0xdc, 0x22, 0x9f, 0x87, 0xd4, 0xde, 0x47, 0x19,
0x8c, 0xfd, 0x2e, 0x21, 0xc6, 0x10, 0x5b, 0x01,
// domain id (14)
0x00, 0x00, 0x00, 0x0e,
}
var testRegisterEvent = []byte{
0x00, 0x00, 0x00, 0x20, // length
0x20, 0x00, 0x80, 0x87, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x00, 0x04, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
0x00, 0x00, 0x00, 0x01, // callback id
}
var testDeregisterEvent = []byte{
0x00, 0x00, 0x00, 0x1c, // length
0x20, 0x00, 0x80, 0x87, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x00, 0x05, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
}
var testAuthReply = []byte{
0x00, 0x00, 0x00, 0x1c, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x00, 0x42, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
}
var testConnectReply = []byte{
0x00, 0x00, 0x00, 0x1c, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x00, 0x01, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
}
var testDisconnectReply = []byte{
0x00, 0x00, 0x00, 0x1c, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x00, 0x02, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
}
var testMigrateReply = []byte{
0x00, 0x00, 0x00, 0x20, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x01, 0x31, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
// cookie out: 0
0x00, 0x00, 0x00, 0x00,
}
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var testRunReply = []byte{
0x00, 0x00, 0x00, 0x74, // length
0x20, 0x00, 0x80, 0x87, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x00, 0x01, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
// {"return":{"qemu":{"micro":1,"minor":5,"major":2},"package":""},"id":"libvirt-53"}
0x00, 0x00, 0x00, 0x52, 0x7b, 0x22, 0x72, 0x65,
0x74, 0x75, 0x72, 0x6e, 0x22, 0x3a, 0x7b, 0x22,
0x71, 0x65, 0x6d, 0x75, 0x22, 0x3a, 0x7b, 0x22,
0x6d, 0x69, 0x63, 0x72, 0x6f, 0x22, 0x3a, 0x31,
0x2c, 0x22, 0x6d, 0x69, 0x6e, 0x6f, 0x72, 0x22,
0x3a, 0x35, 0x2c, 0x22, 0x6d, 0x61, 0x6a, 0x6f,
0x72, 0x22, 0x3a, 0x32, 0x7d, 0x2c, 0x22, 0x70,
0x61, 0x63, 0x6b, 0x61, 0x67, 0x65, 0x22, 0x3a,
0x22, 0x22, 0x7d, 0x2c, 0x22, 0x69, 0x64, 0x22,
0x3a, 0x22, 0x6c, 0x69, 0x62, 0x76, 0x69, 0x72,
0x74, 0x2d, 0x35, 0x33, 0x22, 0x7d,
// All trailing NULL characters should be removed
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
}
var testRunReplyFail = []byte{
0x00, 0x00, 0x00, 0x8c, // length
0x20, 0x00, 0x80, 0x87, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x00, 0x01, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x0a, // serial
0x00, 0x00, 0x00, 0x00, // status
// {"id":"libvirt-68","error":{"class":"CommandNotFound","desc":"The command drive-foo has not been found"}}`
0x00, 0x00, 0x00, 0x69, 0x7b, 0x22, 0x69, 0x64,
0x22, 0x3a, 0x22, 0x6c, 0x69, 0x62, 0x76, 0x69,
0x72, 0x74, 0x2d, 0x36, 0x38, 0x22, 0x2c, 0x22,
0x65, 0x72, 0x72, 0x6f, 0x72, 0x22, 0x3a, 0x7b,
0x22, 0x63, 0x6c, 0x61, 0x73, 0x73, 0x22, 0x3a,
0x22, 0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64,
0x4e, 0x6f, 0x74, 0x46, 0x6f, 0x75, 0x6e, 0x64,
0x22, 0x2c, 0x22, 0x64, 0x65, 0x73, 0x63, 0x22,
0x3a, 0x22, 0x54, 0x68, 0x65, 0x20, 0x63, 0x6f,
0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x20, 0x64, 0x72,
0x69, 0x76, 0x65, 0x2d, 0x66, 0x6f, 0x6f, 0x20,
0x68, 0x61, 0x73, 0x20, 0x6e, 0x6f, 0x74, 0x20,
0x62, 0x65, 0x65, 0x6e, 0x20, 0x66, 0x6f, 0x75,
0x6e, 0x64, 0x22, 0x7d, 0x7d, 0x00, 0x00, 0x00,
}
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var testSetSpeedReply = []byte{
0x00, 0x00, 0x00, 0x1c, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x00, 0xcf, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
}
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var testDomainsReply = []byte{
0x00, 0x00, 0x00, 0x6c, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x01, 0x11, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
// struct of domains
0x00, 0x00, 0x00, 0x02,
// first domain
// name - aaaaaaa-1
0x00, 0x00, 0x00, 0x09, 0x61, 0x61, 0x61, 0x61,
0x61, 0x61, 0x61, 0x2d, 0x31, 0x00, 0x00, 0x00,
// uuid - dc:32:9f:87:d4:de:47:19:8c:fd:2e:21:c6:10:5b:01
0xdc, 0x32, 0x9f, 0x87, 0xd4, 0xde, 0x47, 0x19,
0x8c, 0xfd, 0x2e, 0x21, 0xc6, 0x10, 0x5b, 0x01,
// id
0x00, 0x00, 0x00, 0x01,
// second domain
// name - aaaaaaa-2
0x00, 0x00, 0x00, 0x09, 0x61, 0x61, 0x61, 0x61,
0x61, 0x61, 0x61, 0x2d, 0x32, 0x00, 0x00, 0x00,
// uuid - dc:22:9f:87:d4:de:47:19:8c:fd:2e:21:c6:10:5b:01
0xdc, 0x22, 0x9f, 0x87, 0xd4, 0xde, 0x47, 0x19, 0x8c,
0xfd, 0x2e, 0x21, 0xc6, 0x10, 0x5b, 0x01, 0x00, 0x00,
// id
0x00, 0x02, 0x00,
// count of domains returned
0x00, 0x00, 0x02,
}
var testDomainStateReply = []byte{
0x00, 0x00, 0x00, 0x24, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x00, 0xd4, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
0x00, 0x00, 0x00, 0x01, // state
0x00, 0x00, 0x00, 0x01, // reason
}
var testSecretsReply = []byte{
0x00, 0x00, 0x00, 0x40, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x01, 0x1f, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
// list of secrets
0x00, 0x00, 0x00, 0x01,
// first secret
// UUID: 19fdc2f2fa64-46f3bacf42a8aafca6dd
0x19, 0xfd, 0xc2, 0xf2, 0xfa, 0x64, 0x46, 0xf3,
0xba, 0xcf, 0x42, 0xa8, 0xaa, 0xfc, 0xa6, 0xdd,
// usage type: (1, volume)
0x00, 0x00, 0x00, 0x01,
// usage id: "/tmp"
0x00, 0x00, 0x00, 0x04, 0x2f, 0x74, 0x6d, 0x70,
// end of secrets
0x00, 0x00, 0x00, 0x01,
}
var testStoragePoolLookup = []byte{
0x00, 0x00, 0x00, 0x38, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x00, 0x54, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
// pool: name = default
0x00, 0x00, 0x00, 0x07, 0x64, 0x65, 0x66, 0x61,
0x75, 0x6c, 0x74, 0x00,
// uuid = bb30a11c084648278bba3e6b5cf1b65f
0xbb, 0x30, 0xa1, 0x1c, 0x08, 0x46, 0x48, 0x27,
0x8b, 0xba, 0x3e, 0x6b, 0x5c, 0xf1, 0xb6, 0x5f,
}
var testStoragePoolRefresh = []byte{
0x00, 0x00, 0x00, 0x1c, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x00, 0x53, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
}
var testListPoolsReply = []byte{
0x00, 0x00, 0x00, 0x40, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x01, 0x19, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
0x00, 0x00, 0x00, 0x01, // pools
// first pool, name: "default"
0x00, 0x00, 0x00, 0x07, 0x64, 0x65, 0x66, 0x61,
0x75, 0x6c, 0x74, 0x00,
// uuid: bb30a11c084648278bba3e6b5cf1b65f
0xbb, 0x30, 0xa1, 0x1c, 0x08, 0x46, 0x48, 0x27,
0x8b, 0xba, 0x3e, 0x6b, 0x5c, 0xf1, 0xb6, 0x5f,
0x00, 0x00, 0x00, 0x01, // count
}
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var testUndefineReply = []byte{
0x00, 0x00, 0x00, 0x1c, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x00, 0xe7, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
}
var testDestroyReply = []byte{
0x00, 0x00, 0x00, 0x1c, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x00, 0xea, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
}
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var testVersionReply = []byte{
0x00, 0x00, 0x00, 0x24, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x00, 0x9d, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x4d, 0xfc, // version (1003004)
}
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var testDefineXML = []byte{
0x00, 0x00, 0x00, 0x38, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x01, 0x5e, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
0x00, 0x00, 0x00, 0x04, // dom
0x74, 0x65, 0x73, 0x74, // name
// uuid
0xaf, 0xc2, 0xef, 0x71, 0x66, 0xe0, 0x45, 0xa7,
0xa5, 0xec, 0xd8, 0xba, 0x1e, 0xa8, 0x17, 0x7d,
0xff, 0xff, 0xff, 0xff, // id
}
var testCreateWithFlags = []byte{
0x00, 0x00, 0x00, 0x38, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x01, 0x5e, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
0x00, 0x00, 0x00, 0x04, // dom
0x74, 0x65, 0x73, 0x74, // name
// uuid
0xaf, 0xc2, 0xef, 0x71, 0x66, 0xe0, 0x45, 0xa7,
0xa5, 0xec, 0xd8, 0xba, 0x1e, 0xa8, 0x17, 0x7d,
0xff, 0xff, 0xff, 0xff, // id
}
var testShutdownReply = []byte{
0x00, 0x00, 0x00, 0x1c, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x00, 0xea, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
}
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var testRebootReply = []byte{
0x00, 0x00, 0x00, 0x1c, // length
0x20, 0x00, 0x80, 0x86, // program
0x00, 0x00, 0x00, 0x01, // version
0x00, 0x00, 0x00, 0xea, // procedure
0x00, 0x00, 0x00, 0x01, // type
0x00, 0x00, 0x00, 0x00, // serial
0x00, 0x00, 0x00, 0x00, // status
}
// MockLibvirt provides a mock libvirt server for testing.
type MockLibvirt struct {
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net.Conn
Test net.Conn
Fail bool
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serial uint32
}
// New creates a new mock Libvirt server.
func New() *MockLibvirt {
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serv, conn := net.Pipe()
m := &MockLibvirt{
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Conn: conn,
Test: serv,
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}
go m.handle(serv)
return m
}
func (m *MockLibvirt) handle(conn net.Conn) {
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for {
// packetLengthSize + headerSize
buf := make([]byte, 28)
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conn.Read(buf)
// extract program
prog := binary.BigEndian.Uint32(buf[4:8])
// extract procedure
proc := binary.BigEndian.Uint32(buf[12:16])
switch prog {
case constants.ProgramRemote:
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m.handleRemote(proc, conn)
case constants.ProgramQEMU:
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m.handleQEMU(proc, conn)
}
}
}
func (m *MockLibvirt) handleRemote(procedure uint32, conn net.Conn) {
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switch procedure {
case constants.ProcAuthList:
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conn.Write(m.reply(testAuthReply))
case constants.ProcStoragePoolRefresh:
conn.Write(m.reply(testStoragePoolRefresh))
case constants.ProcStoragePoolLookupByName:
conn.Write(m.reply(testStoragePoolLookup))
case constants.ProcConnectOpen:
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conn.Write(m.reply(testConnectReply))
case constants.ProcConnectClose:
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conn.Write(m.reply(testDisconnectReply))
case constants.ProcConnectGetLibVersion:
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conn.Write(m.reply(testVersionReply))
case constants.ProcDomainLookupByName:
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conn.Write(m.reply(testDomainResponse))
case constants.ProcConnectListAllDomains:
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conn.Write(m.reply(testDomainsReply))
case constants.ProcConnectListAllStoragePools:
conn.Write(m.reply(testListPoolsReply))
case constants.ProcConnectListAllSecrets:
conn.Write(m.reply(testSecretsReply))
case constants.ProcDomainGetState:
conn.Write(m.reply(testDomainStateReply))
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case constants.ProcDomainMigrateSetMaxSpeed:
conn.Write(m.reply(testSetSpeedReply))
case constants.ProcMigratePerformParams:
conn.Write(m.reply(testMigrateReply))
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case constants.ProcDomainUndefineFlags:
conn.Write(m.reply(testUndefineReply))
case constants.ProcDomainDestroyFlags:
conn.Write(m.reply(testDestroyReply))
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case constants.ProcDomainDefineXMLFlags:
conn.Write(m.reply(testDefineXML))
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case constants.ProcDomainReboot:
conn.Write(m.reply(testRebootReply))
case constants.ProcDomainReset:
conn.Write(m.reply(testRebootReply))
case constants.ProcDomainCreateWithFlags:
conn.Write(m.reply(testCreateWithFlags))
case constants.ProcDomainShutdownFlags:
conn.Write(m.reply(testShutdownReply))
default:
fmt.Fprintln(os.Stderr, "unknown procedure", procedure)
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}
}
func (m *MockLibvirt) handleQEMU(procedure uint32, conn net.Conn) {
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switch procedure {
case constants.QEMUConnectDomainMonitorEventRegister:
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conn.Write(m.reply(testRegisterEvent))
case constants.QEMUConnectDomainMonitorEventDeregister:
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conn.Write(m.reply(testDeregisterEvent))
case constants.QEMUDomainMonitor:
if m.Fail {
conn.Write(m.reply(testRunReplyFail))
} else {
conn.Write(m.reply(testRunReply))
}
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}
}
// reply automatically injects the correct serial
// number into the provided response buffer.
func (m *MockLibvirt) reply(buf []byte) []byte {
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atomic.AddUint32(&m.serial, 1)
binary.BigEndian.PutUint32(buf[20:24], m.serial)
return buf
}