Print response client and server address

.gitignore

@@ -1,5 +1,6 @@
 netgraph 
 test.pcap
 .vscode/
+.idea/
 debug
 .DS_Store

ng.go

@@ -228,8 +228,8 @@ func (p *EventPrinter) printHTTPRequestEvent(req ngnet.HTTPRequestEvent) {
 }
 
 func (p *EventPrinter) printHTTPResponseEvent(resp ngnet.HTTPResponseEvent) {
-	fmt.Fprintf(p.file, "[%s] #%d Response \r\n",
-		resp.Start.Format("2006-01-02 15:04:05.000"), resp.StreamSeq)
+	fmt.Fprintf(p.file, "[%s] #%d Response %s<-%s\r\n",
+		resp.Start.Format("2006-01-02 15:04:05.000"), resp.StreamSeq, resp.ClientAddr, resp.ServerAddr)
 	fmt.Fprintf(p.file, "%s %d %s\r\n", resp.Version, resp.Code, resp.Reason)
 	for _, h := range resp.Headers {
 		fmt.Fprintf(p.file, "%s: %s\r\n", h.Name, h.Value)

ngnet/httpstreampair.go

@@ -33,11 +33,13 @@ type HTTPRequestEvent struct {
 // HTTPResponseEvent is HTTP response
 type HTTPResponseEvent struct {
 	HTTPEvent
-	Version string
-	Code    uint
-	Reason  string
-	Headers []HTTPHeaderItem
-	Body    []byte
+	ClientAddr string
+	ServerAddr string
+	Version    string
+	Code       uint
+	Reason     string
+	Headers    []HTTPHeaderItem
+	Body       []byte
 }
 
 // httpStreamPair is Bi-direction HTTP stream pair
@@ -105,6 +107,8 @@ func (pair *httpStreamPair) handleTransaction() {
 	respBody := downStream.getBody(method, respHeaders, false)
 
 	var resp HTTPResponseEvent
+	resp.ClientAddr = pair.upStream.key.net.Src().String() + ":" + pair.upStream.key.tcp.Src().String()
+	resp.ServerAddr = pair.upStream.key.net.Dst().String() + ":" + pair.upStream.key.tcp.Dst().String()
 	resp.Type = "HTTPResponse"
 	resp.Version = respVersion
 	resp.Code = uint(code)