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