-
Notifications
You must be signed in to change notification settings - Fork 0
/
nsq.go
84 lines (79 loc) · 2.32 KB
/
nsq.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
package builtin_libs
import (
"time"
. "github.com/zgg-lang/zgg-go/runtime"
nsq "github.com/nsqio/go-nsq"
)
func libNsq(c *Context) ValueObject {
lib := NewObject()
lib.SetMember("Consumer", nsqConsumerClass, c)
return lib
}
var nsqConsumerClass = NewClassBuilder("nsq.Consumer").
Constructor(func(c *Context, this ValueObject, args []Value) {
var (
dType ValueStr
addr ValueStr
)
EnsureFuncParams(c, "nsq.Consumer.__init__", args,
ArgRuleRequired{"dType", TypeStr, &dType},
ArgRuleRequired{"addr", TypeStr, &addr},
)
if dt := dType.Value(); dt != "nsqd" && dt != "nsqlookupd" {
c.OnRuntimeError("nsq.Consumer.__init__ invalid dType %s", dt)
}
this.SetMember("_dType", dType, c)
this.SetMember("_addr", addr, c)
this.SetMember("_consumers", NewArray(), c)
}).
Method("on", func(c *Context, this ValueObject, args []Value) Value {
dType := c.MustStr(this.GetMember("_dType", c))
addr := c.MustStr(this.GetMember("_addr", c))
var (
topic ValueStr
channel ValueStr
callback ValueCallable
)
EnsureFuncParams(c, "nsq.Consumer.on", args,
ArgRuleRequired{"topic", TypeStr, &topic},
ArgRuleRequired{"channel", TypeStr, &channel},
ArgRuleRequired{"callback", TypeFunc, &callback},
)
conf := nsq.NewConfig()
conf.LookupdPollInterval = 60 * time.Second
consumer, err := nsq.NewConsumer(topic.Value(), channel.Value(), conf)
if err != nil {
c.OnRuntimeError("create nsq consumer error %s", err)
}
consumer.AddHandler(nsq.HandlerFunc(func(msg *nsq.Message) error {
newC := c.Clone()
newC.Invoke(callback, nil, Args(
NewBytes(msg.Body),
NewGoValue(msg),
))
return nil
}))
switch dType {
case "nsqd":
err = consumer.ConnectToNSQD(addr)
case "nsqlookupd":
err = consumer.ConnectToNSQLookupd(addr)
default:
c.OnRuntimeError("invalid nsq dtype %s", dType)
}
if err != nil {
c.OnRuntimeError("nsq consumer connect to lookupd err %s", err)
}
consumers := c.MustArray(this.GetMember("_consumers", c))
consumers.PushBack(NewGoValue(consumer))
return this
}).
Method("closeAll", func(c *Context, this ValueObject, args []Value) Value {
consumers := c.MustArray(this.GetMember("_consumers", c))
for i := 0; i < consumers.Len(); i++ {
c := consumers.GetIndex(i, c).ToGoValue().(*nsq.Consumer)
c.Stop()
}
return Undefined()
}).
Build()