[fix] http Headers支持重复键值

pkg/nazahttp/header.go

@@ -18,8 +18,8 @@ type LineReader interface {
 
 // @return firstLine: request的request line或response的status line
 // @return headers: request header fileds的键值对
-func ReadHttpHeader(r LineReader) (firstLine string, headers map[string]string, err error) {
-	headers = make(map[string]string)
+func ReadHttpHeader(r LineReader) (firstLine string, headers map[string][]string, err error) {
+	headers = make(map[string][]string)
 
 	var line []byte
 	var isPrefix bool
@@ -51,7 +51,7 @@ func ReadHttpHeader(r LineReader) (firstLine string, headers map[string]string,
 			err = ErrHttpHeader
 			return
 		}
-		headers[strings.Trim(l[0:pos], " ")] = strings.Trim(l[pos+1:], " ")
+		headers[strings.Trim(l[0:pos], " ")] = append(headers[strings.Trim(l[0:pos], " ")],strings.Trim(l[pos+1:], " "))
 	}
 	return
 }

pkg/nazahttp/read_message.go

@@ -23,7 +23,7 @@ type HttpMsgCtx struct {
 	ReqMethodOrRespVersion string
 	ReqUriOrRespStatusCode string
 	ReqVersionOrRespReason string
-	Headers                map[string]string
+	Headers                map[string][]string
 	Body                   []byte
 }
 
@@ -31,7 +31,7 @@ type HttpReqMsgCtx struct {
 	Method  string
 	Uri     string
 	Version string
-	Headers map[string]string
+	Headers map[string][]string
 	Body    []byte
 }
 
@@ -39,7 +39,7 @@ type HttpRespMsgCtx struct {
 	Version    string
 	StatusCode string
 	Reason     string
-	Headers    map[string]string
+	Headers    map[string][]string
 	Body       []byte
 }
 
@@ -85,7 +85,7 @@ func ReadHttpMessage(r HttpReader) (ctx HttpMsgCtx, err error) {
 	if !ok {
 		return ctx, nil
 	}
-	cl, err := strconv.Atoi(contentLength)
+	cl, err := strconv.Atoi(contentLength[0])
 	if err != nil {
 		return ctx, err
 	}