Add transport tls

transport/options.go

@@ -1,12 +1,16 @@
 package transport
 
 import (
+	"crypto/tls"
 	"time"
 
 	"golang.org/x/net/context"
 )
 
 type Options struct {
+	Secure    bool
+	TLSConfig *tls.Config
+
 	// Other options for implementations of the interface
 	// can be stored in a context
 	Context context.Context
@@ -16,17 +20,46 @@ type DialOptions struct {
 	Stream  bool
 	Timeout time.Duration
 
+	// TODO: add tls options when dialling
+	// Currently set in global options
+
 	// Other options for implementations of the interface
 	// can be stored in a context
 	Context context.Context
 }
 
+type ListenOptions struct {
+	// TODO: add tls options when listening
+	// Currently set in global options
+
+	// Other options for implementations of the interface
+	// can be stored in a context
+	Context context.Context
+}
+
+// Use secure communication. If TLSConfig is not specified we
+// use InsecureSkipVerify and generate a self signed cert
+func Secure(b bool) Option {
+	return func(o *Options) {
+		o.Secure = b
+	}
+}
+
+// TLSConfig to be used for the transport.
+func TLSConfig(t *tls.Config) Option {
+	return func(o *Options) {
+		o.TLSConfig = t
+	}
+}
+
+// Indicates whether this is a streaming connection
 func WithStream() DialOption {
 	return func(o *DialOptions) {
 		o.Stream = true
 	}
 }
 
+// Timeout used when dialling the remote side
 func WithTimeout(d time.Duration) DialOption {
 	return func(o *DialOptions) {
 		o.Timeout = d