Implements dummy auth + stream error

component.go

@@ -1,7 +1,10 @@
 package xmpp
 
 import (
+	"encoding/xml"
+	"errors"
 	"fmt"
+	"io"
 	"net"
 	"time"
 )
@@ -14,24 +17,60 @@ const componentStreamOpen = "<?xml version='1.0'?><stream:stream to='%s' xmlns='
 type Component struct {
 	// TCP level connection
 	conn net.Conn
+
+	// read / write
+	socketProxy io.ReadWriter
+	decoder     *xml.Decoder
 }
 
 // TODO Helper to prepare connection string
 func Open(connStr string) error {
+	c := Component{}
+
 	var conn net.Conn
 	var err error
-
 	if conn, err = net.DialTimeout("tcp", "localhost:8888", time.Duration(5)*time.Second); err != nil {
 		return err
 	}
+	c.conn = conn
 
 	// TODO send stream open and check for reply
 	// Send stream open tag
-	componentHost := "mqtt.localhost"
+	componentHost := connStr // TODO Fix me
 	if _, err := fmt.Fprintf(conn, componentStreamOpen, componentHost, NSComponent, NSStream); err != nil {
-		fmt.Println("Cannot send stream open.")
+		fmt.Println("cannot send stream open.")
 		return err
 	}
+	c.decoder = xml.NewDecoder(conn)
+
+	// Initialize xml decoder and extract streamID from reply
+	streamId, err := initDecoder(c.decoder)
+	if err != nil {
+		fmt.Println("cannot init decoder")
+		return err
+	}
+
+	fmt.Println("StreamID = ", streamId)
+
+	// Authentication
+	if _, err := fmt.Fprint(conn, "<handshake>aaee83c26aeeafcbabeabfcbcd50df997e0a2a1e</handshake>"); err != nil {
+		fmt.Println("cannot send stream open.")
+		return err
+	}
+
+	// Next message should be either success or failure.
+	name, val, err := next(c.decoder)
+	if err != nil {
+		fmt.Println(err)
+		return err
+	}
+
+	switch v := val.(type) {
+	case *StreamError:
+		fmt.Printf("error: %s", v.Error.Local)
+	default:
+		return errors.New("unexpected packet, got " + name.Local + " in " + name.Space)
+	}
 
 	return nil
 }