-
Notifications
You must be signed in to change notification settings - Fork 3
/
main.go
150 lines (140 loc) · 2.79 KB
/
main.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
package main
import (
"context"
"fmt"
redis2 "github.com/garyburd/redigo/redis"
"github.com/nu7hatch/gouuid"
"klook.libs/logger"
"migrate/common"
"migrate/moudle/user"
"migrate/moudle/user_v2"
"migrate/redis"
"runtime"
"time"
)
const (
NewWriteMask = 1
NewReadMask = 1 << 1
OldWriteMask = 1 << 2
OldReadMask = 1 << 3
)
var defaultMask = int64(OldWriteMask | OldReadMask)
func main() {
ctx, cancel := context.WithTimeout(context.Background(), time.Minute*20)
defer cancel()
go func(ctx context.Context) {
for {
Write()
select {
case <-ctx.Done():
default:
//time.Sleep(time.Millisecond * 10)
}
}
}(ctx)
go func(ctx context.Context) {
for {
Write()
select {
case <-ctx.Done():
default:
//time.Sleep(time.Millisecond * 10)
}
}
}(ctx)
for {
runtime.Gosched()
}
}
func Write() {
var err error
flag, err := GetMigrateMask()
if err != nil {
logger.Error("redis error ", err)
time.Sleep(time.Second * 2)
return
}
var u *user.User
if (OldWriteMask & flag) > 0 {
if u, err = WriteOldUser(); err != nil {
logger.Error("WriteOldUser error ", err)
time.Sleep(time.Second * 2)
return
}
}
if (NewWriteMask & flag) > 0 {
u2 := user_v2.UserV2(*u)
if err = WriteNewUser(&u2); err != nil {
logger.Error("WriteNewUser error ", err)
time.Sleep(time.Second * 2)
return
}
}
if u.ID%100 == 0 {
fmt.Printf("ID: %d, flag: %b\n", u.ID, flag)
}
}
func GetMigrateMask() (int64, error) {
i, err := redis.GetInt(common.MigrateUserKey)
if err != nil {
if err == redis2.ErrNil {
return defaultMask, nil
}
return 0, err
}
return i, nil
}
func WriteOldUser() (*user.User, error) {
var err error
id, _ := uuid.NewV4()
u := &user.User{
Name: "damon.hu -- " + fmt.Sprint(id),
FirstName: "damon",
LastName: "hu",
Email: "damon.hu" + fmt.Sprint(id) + "@qq.com",
Sex: "男",
Flag: 99,
CreateTime: time.Now(),
}
u.ID, err = u.Insert()
if err != nil {
logger.Error(err)
return nil, err
}
return u, nil
}
func ReadOldUser() ([]*user.User, error) {
t := time.Now()
at := t.Add(time.Second * 10)
users, err := user.Select(user.ScopeStartTime(&t), user.ScopeEndTime(&at))
if err != nil {
return nil, err
}
return users, nil
}
func WriteNewUser(u *user_v2.UserV2) error {
var err error
id := u.ID
u.Flag = 0
u.ID, err = u.Insert()
if err != nil {
logger.Error(err)
return err
}
if u.ID != id {
logger.Error("new and old id not match !", id, u.ID)
}
if err = redis.SetIntNX(common.MigrateUserEndID, u.ID); err != nil {
return err
}
return nil
}
func ReadNewUser() ([]*user_v2.UserV2, error) {
t := time.Now()
at := t.Add(time.Second * 10)
users, err := user_v2.Select(user.ScopeStartTime(&t), user.ScopeEndTime(&at))
if err != nil {
return nil, err
}
return users, nil
}