feat: implement server and client

option.go

@@ -0,0 +1,48 @@
+package krpc
+
+import (
+	"time"
+
+	"krwu.top/krpc.v1/codec"
+)
+
+type Options struct {
+	MagicNumber    int
+	CodecType      codec.Type
+	ConnectTimeout time.Duration
+	HandleTimeout  time.Duration
+}
+
+var DefaultOptions = &Options{
+	MagicNumber:    codec.MagicNumber,
+	CodecType:      codec.GobType,
+	ConnectTimeout: time.Second * 3,
+}
+
+type Option func(*Options)
+
+func WithCodecType(t codec.Type) Option {
+	return func(o *Options) {
+		o.CodecType = t
+	}
+}
+
+func WithConnectTimeout(t time.Duration) Option {
+	return func(o *Options) {
+		o.ConnectTimeout = t
+	}
+}
+
+func WithHandleTimeout(t time.Duration) Option {
+	return func(o *Options) {
+		o.HandleTimeout = t
+	}
+}
+
+func apply(o *Options, opts ...Option) Options {
+	newOpts := *o
+	for i := range opts {
+		opts[i](&newOpts)
+	}
+	return newOpts
+}