Make pool configurable

client/options.go

@@ -23,6 +23,10 @@ type Options struct {
 	Selector  selector.Selector
 	Transport transport.Transport
 
+	// Connection Pool
+	PoolSize int
+	PoolTTL  time.Duration
+
 	// Middleware for client
 	Wrappers []Wrapper
 
@@ -74,6 +78,8 @@ func newOptions(options ...Option) Options {
 			RequestTimeout: DefaultRequestTimeout,
 			DialTimeout:    transport.DefaultDialTimeout,
 		},
+		PoolSize: DefaultPoolSize,
+		PoolTTL:  DefaultPoolTTL,
 	}
 
 	for _, o := range options {
@@ -126,6 +132,20 @@ func ContentType(ct string) Option {
 	}
 }
 
+// PoolSize sets the connection pool size
+func PoolSize(d int) Option {
+	return func(o *Options) {
+		o.PoolSize = d
+	}
+}
+
+// PoolSize sets the connection pool size
+func PoolTTL(d time.Duration) Option {
+	return func(o *Options) {
+		o.PoolTTL = d
+	}
+}
+
 // Registry to find nodes for a given service
 func Registry(r registry.Registry) Option {
 	return func(o *Options) {