-
Notifications
You must be signed in to change notification settings - Fork 0
/
pool.go
79 lines (65 loc) · 1.73 KB
/
pool.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
package bloomd
import (
"net"
"net/url"
"sync"
pool "github.com/Applifier/go-conn-pool"
)
// Factory a factory for conn for the Bloomd client
type Factory func() (net.Conn, error)
// Pool of bloomd clients
type Pool struct {
connPool pool.Pool
clientStructPool *sync.Pool
}
// NewPoolFromAddr return a new pool of client for addr
func NewPoolFromAddr(initialCap, maxCap int, addr string) (*Pool, error) {
l, err := url.Parse(addr)
if err != nil {
return nil, err
}
return NewPoolFromFactory(initialCap, maxCap, func() (net.Conn, error) {
return Connect(l)
})
}
// NewPoolFromURL return a new pool of client for locator
func NewPoolFromURL(initialCap, maxCap int, u *url.URL) (*Pool, error) {
return NewPoolFromFactory(initialCap, maxCap, func() (net.Conn, error) {
return Connect(u)
})
}
// NewPoolFromFactory returns a new pool of clients for a connection factory
func NewPoolFromFactory(initialCap, maxCap int, factory Factory) (*Pool, error) {
p, err := pool.NewChannelPool(initialCap, maxCap, pool.Factory(factory))
if err != nil {
return nil, err
}
clientStructPool := &sync.Pool{}
clientStructPool.New = func() interface{} {
cli := newClient()
cli.clientPool = clientStructPool
return cli
}
return &Pool{
connPool: p,
clientStructPool: clientStructPool,
}, nil
}
// Get returns a new client from the pool. Client is returned to pool by calling client.Close()
func (p *Pool) Get() (*Client, error) {
conn, err := p.connPool.Get()
if err != nil {
return nil, err
}
cli := p.clientStructPool.Get().(*Client)
cli.reset(conn)
return cli, nil
}
// Close closes pool
func (p *Pool) Close() {
p.connPool.Close()
}
// Len returns pool length
func (p *Pool) Len() int {
return p.connPool.Len()
}