feat(enhancement): add MaxConnsPerHost setting into TransportSettings #1058 (#1069)

Author: jeevatkm

client.go

@@ -141,6 +141,9 @@ type TransportSettings struct {
 	// MaxIdleConnsPerHost, default value is `runtime.GOMAXPROCS(0) + 1`.
 	MaxIdleConnsPerHost int
 
+	// MaxConnsPerHost, default value is no limit.
+	MaxConnsPerHost int
+
 	// DisableKeepAlives, default value is `false`.
 	DisableKeepAlives bool
 

client_test.go

@@ -971,6 +971,7 @@ func TestCustomTransportSettings(t *testing.T) {
 		ExpectContinueTimeout:  1 * time.Second,
 		MaxIdleConns:           50,
 		MaxIdleConnsPerHost:    3,
+		MaxConnsPerHost:        100,
 		ResponseHeaderTimeout:  10 * time.Second,
 		MaxResponseHeaderBytes: 1 << 10,
 		WriteBufferSize:        2 << 10,

resty.go

@@ -127,6 +127,10 @@ func createTransport(dialer *net.Dialer, transportSettings *TransportSettings) *
 		t.MaxIdleConnsPerHost = runtime.GOMAXPROCS(0) + 1
 	}
 
+	if transportSettings.MaxConnsPerHost > 0 {
+		t.MaxConnsPerHost = transportSettings.MaxConnsPerHost
+	}
+
 	//
 	// No default value in Resty for following settings, added to
 	// provide ability to set value otherwise the Go HTTP client