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Refactor HTTP transport to be a singleton and update connection settings
+28
-15
+28
-15
internal/httpclient/httpclient.go
+28
-15
internal/httpclient/httpclient.go
···
6
6
"net"
7
7
"net/http"
8
8
"strconv"
9
+
"sync"
9
10
"time"
10
11
)
11
12
···
24
25
},
25
26
}
26
27
28
+
var (
29
+
transportOnce sync.Once
30
+
sharedTransport *http.Transport
31
+
)
32
+
33
+
func DefaultTransport() *http.Transport {
34
+
transportOnce.Do(func() {
35
+
dialer := &net.Dialer{
36
+
Timeout: 5 * time.Second,
37
+
KeepAlive: 15 * time.Second,
38
+
FallbackDelay: 300 * time.Millisecond,
39
+
Resolver: dnsResolver,
40
+
}
41
+
42
+
sharedTransport = &http.Transport{
43
+
DialContext: dialer.DialContext,
44
+
MaxIdleConns: 100,
45
+
MaxIdleConnsPerHost: 10,
46
+
IdleConnTimeout: 90 * time.Second,
47
+
TLSHandshakeTimeout: 5 * time.Second,
48
+
ForceAttemptHTTP2: true,
49
+
}
50
+
})
51
+
return sharedTransport
52
+
}
53
+
27
54
func NewTransport() *http.Transport {
28
-
dialer := &net.Dialer{
29
-
Timeout: 5 * time.Second,
30
-
KeepAlive: 15 * time.Second,
31
-
FallbackDelay: 300 * time.Millisecond,
32
-
Resolver: dnsResolver,
33
-
}
34
-
35
-
return &http.Transport{
36
-
DialContext: dialer.DialContext,
37
-
MaxIdleConns: 50,
38
-
IdleConnTimeout: 10 * time.Second,
39
-
TLSHandshakeTimeout: 5 * time.Second,
40
-
ForceAttemptHTTP2: true,
41
-
}
55
+
return DefaultTransport()
42
56
}
43
57
44
58
func SetDefaultHeaders(req *http.Request) {
45
59
req.Header.Set("User-Agent", UserAgent)
46
-
req.Header.Set("Connection", "close")
47
60
}
48
61
49
62
func ParseRetryAfter(v string) time.Duration {