-
Notifications
You must be signed in to change notification settings - Fork 6
/
configure.go
85 lines (65 loc) · 1.76 KB
/
configure.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
package http2
import (
"crypto/tls"
"errors"
"net"
"time"
"github.com/valyala/fasthttp"
)
var (
// ErrServerSupport indicates whether the server supports HTTP/2 or not.
ErrServerSupport = errors.New("server doesn't support HTTP/2")
)
type ClientOpts struct {
// OnRTT is assigned to every client after creation, and the handler
// will be called after every RTT measurement (after receiving a PONG mesage).
OnRTT func(time.Duration)
}
func configureDialer(d *Dialer) {
if d.TLSConfig == nil {
d.TLSConfig = &tls.Config{
MinVersion: tls.VersionTLS12,
MaxVersion: tls.VersionTLS13,
}
}
tlsConfig := d.TLSConfig
emptyServerName := len(tlsConfig.ServerName) == 0
if emptyServerName {
host, _, err := net.SplitHostPort(d.Addr)
if err != nil {
host = d.Addr
}
tlsConfig.ServerName = host
}
tlsConfig.NextProtos = append(tlsConfig.NextProtos, "h2")
}
// ConfigureClient configures the fasthttp.HostClient to run over HTTP/2.
func ConfigureClient(c *fasthttp.HostClient, opts ClientOpts) error {
emptyServerName := c.TLSConfig != nil && len(c.TLSConfig.ServerName) == 0
d := &Dialer{
Addr: c.Addr,
TLSConfig: c.TLSConfig,
}
c2, err := d.Dial()
if err != nil {
if err == ErrServerSupport && c.TLSConfig != nil { // remove added config settings
for i := range c.TLSConfig.NextProtos {
if c.TLSConfig.NextProtos[i] == "h2" {
c.TLSConfig.NextProtos = append(c.TLSConfig.NextProtos[:i], c.TLSConfig.NextProtos[i+1:]...)
}
}
if emptyServerName {
c.TLSConfig.ServerName = ""
}
}
return err
}
defer c2.Close()
c.TLSConfig = d.TLSConfig
cl := createClient(d)
cl.onRTT = opts.OnRTT
cl.conns.Init()
c.Transport = cl.Do
return nil
}
var ErrNotAvailableStreams = errors.New("ran out of available streams")