forked from couchbase/go-couchbase
/
feed.go
117 lines (96 loc) · 2.22 KB
/
feed.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
package main
import (
"flag"
"fmt"
"github.com/couchbase/gomemcached/client"
"github.com/couchbaselabs/go-couchbase"
"log"
"net/url"
"os"
"time"
)
var vbcount = 64
func mf(err error, msg string) {
if err != nil {
log.Fatalf("%v: %v", msg, err)
}
}
// Flush the bucket before trying this program
func main() {
bname := flag.String("bucket", "",
"bucket to connect to (defaults to username)")
flag.Usage = func() {
fmt.Fprintf(os.Stderr,
"%v [flags] http://user:pass@host:8091/\n\nFlags:\n",
os.Args[0])
flag.PrintDefaults()
os.Exit(64)
}
flag.Parse()
if flag.NArg() < 1 {
flag.Usage()
}
u, err := url.Parse(flag.Arg(0))
mf(err, "parse")
if *bname == "" && u.User != nil {
*bname = u.User.Username()
}
c, err := couchbase.Connect(u.String())
mf(err, "connect - "+u.String())
p, err := c.GetPool("default")
mf(err, "pool")
bucket, err := p.GetBucket(*bname)
mf(err, "bucket")
// get failover logs for a few vbuckets
vbList := []uint16{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
failoverlogMap, err := bucket.GetFailoverLogs(vbList)
if err != nil {
mf(err, "failoverlog")
}
for vb, flog := range failoverlogMap {
log.Printf("Failover log for vbucket %d is %v", vb, flog)
}
// start upr feed
name := fmt.Sprintf("%v", time.Now().UnixNano())
feed, err := bucket.StartUprFeed(name, 0)
if err != nil {
panic(err)
}
// get the vbucket map for this bucket
vbm := bucket.VBServerMap()
log.Println(vbm)
// request stream for all vbuckets
for i := 0; i < vbcount; i++ {
if err := feed.UprRequestStream(uint16(i), 0, 0, 0, 0xFFFFFFFFFFFFFFFF, 0, 0); err != nil {
fmt.Printf("%s", err.Error())
}
}
// observe the mutations from the channel.
var e *memcached.UprEvent
var mutations = 0
loop:
for {
select {
case e = <-feed.C:
case <-time.After(time.Second):
break loop
}
if e.Opcode == memcached.UprMutation {
//log.Printf(" got mutation %s", e.Value)
mutations += 1
}
//mutations++
}
feed.Close()
log.Printf("Mutation count %d", mutations)
}
func addKVset(b *couchbase.Bucket, count int) {
for i := 0; i < count; i++ {
key := fmt.Sprintf("key%v", i)
value := fmt.Sprintf("Hello world%v", i)
err := b.Set(key, 0, value)
if err != nil {
panic(err)
}
}
}