add pkgs from core

connector/http/metadata.go

@@ -0,0 +1,33 @@
+package http
+
+import (
+	"net/http"
+	"time"
+
+	mdata "github.com/go-gost/core/metadata"
+	mdx "github.com/go-gost/x/metadata"
+)
+
+type metadata struct {
+	connectTimeout time.Duration
+	header         http.Header
+}
+
+func (c *httpConnector) parseMetadata(md mdata.Metadata) (err error) {
+	const (
+		connectTimeout = "timeout"
+		header         = "header"
+	)
+
+	c.md.connectTimeout = mdx.GetDuration(md, connectTimeout)
+
+	if mm := mdx.GetStringMapString(md, header); len(mm) > 0 {
+		hd := http.Header{}
+		for k, v := range mm {
+			hd.Add(k, v)
+		}
+		c.md.header = hd
+	}
+
+	return
+}