From 24ac2c05261011897bcbe6bb3a48fcff44746736 Mon Sep 17 00:00:00 2001
From: Mickael Remond <mremond@process-one.net>
Date: Fri, 12 Jan 2018 19:08:47 +0100
Subject: [PATCH] Keeps component connection open

---
 client.go                            |  2 +-
 cmd/xmpp_component/xmpp_component.go | 14 +++++++++++++-
 component.go                         |  6 ++++++
 parser.go                            |  1 +
 4 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/client.go b/client.go
index 689720e..ec62e37 100644
--- a/client.go
+++ b/client.go
@@ -128,7 +128,7 @@ func (c *Client) Recv() <-chan interface{} {
 
 // Send sends message text.
 func (c *Client) Send(packet string) error {
-	fmt.Fprintf(c.Session.socketProxy, packet)
+	fmt.Fprintf(c.Session.socketProxy, packet) // TODO handle errors
 	return nil
 }
 
diff --git a/cmd/xmpp_component/xmpp_component.go b/cmd/xmpp_component/xmpp_component.go
index f08dbab..3830352 100644
--- a/cmd/xmpp_component/xmpp_component.go
+++ b/cmd/xmpp_component/xmpp_component.go
@@ -1,8 +1,20 @@
 package main
 
-import "fluux.io/xmpp"
+import (
+	"fmt"
+
+	"fluux.io/xmpp"
+)
 
 func main() {
 	component := xmpp.Component{Host: "mqtt.localhost", Secret: "mypass"}
 	component.Connect("localhost:8888")
+
+	for {
+		_, packet, err := component.ReadPacket()
+		if err != nil {
+			return
+		}
+		fmt.Println("Packet received: ", packet)
+	}
 }
diff --git a/component.go b/component.go
index 55b4c48..4105700 100644
--- a/component.go
+++ b/component.go
@@ -88,6 +88,12 @@ func (c *Component) Connect(connStr string) error {
 	panic("unreachable")
 }
 
+// ReadPacket reads next incoming XMPP packet
+// TODO use defined interface Packet
+func (c *Component) ReadPacket() (xml.Name, interface{}, error) {
+	return next(c.decoder)
+}
+
 // ============================================================================
 // XMPP packets struct
 
diff --git a/parser.go b/parser.go
index 41b778e..fac1a49 100644
--- a/parser.go
+++ b/parser.go
@@ -63,6 +63,7 @@ func nextStart(p *xml.Decoder) (xml.StartElement, error) {
 // Scan XML token stream for next element and save into val.
 // If val == nil, allocate new element based on proto map.
 // Either way, return val.
+// TODO Use an interface to return packets interface xmppDecoder
 func next(p *xml.Decoder) (xml.Name, interface{}, error) {
 	// Read start element to find out what type we want.
 	se, err := nextStart(p)