Make network as a separae interface

mtglib/network/init.go

@@ -4,13 +4,14 @@ import (
 	"context"
 	"errors"
 	"net"
+	"net/http"
 	"time"
 )
 
 const (
 	DefaultTimeout     = 10 * time.Second
-	DefaultDNSTimeout  = time.Second
-	DefaultHTTPTimeout = DefaultTimeout
+	DefaultIdleTimeout = time.Minute
+	DefaultHTTPTimeout = 5 * time.Second
 	DefaultBufferSize  = 4096
 
 	ProxyDialerOpenThreshold        = 5
@@ -18,6 +19,8 @@ const (
 	ProxyDialerResetFailuresTimeout = 10 * time.Second
 
 	DefaultDOHHostname = "9.9.9.9"
+
+	DNSTimeout = 5 * time.Second
 )
 
 var (
@@ -29,3 +32,11 @@ type Dialer interface {
 	Dial(network, address string) (net.Conn, error)
 	DialContext(ctx context.Context, network, address string) (net.Conn, error)
 }
+
+type Network interface {
+	Dialer
+
+	DNSResolve(network, hostname string) (ips []string, err error)
+	MakeHTTPClient(timeout time.Duration) *http.Client
+	IdleTimeout() time.Duration
+}