From 472848fc93accb200ea2dedc46fdaa4e5d71d266 Mon Sep 17 00:00:00 2001
From: Kevin Chabowski <kevin@kch42.de>
Date: Tue, 25 Mar 2014 14:07:54 +0100
Subject: Implemented message broadcasting stuff for type Buddy

---
 buddy.go   | 28 +++++++++++++++++++++++++++-
 rooms.go   |  2 +-
 websock.go |  9 +++++++--
 3 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/buddy.go b/buddy.go
index 750e424..1128956 100644
--- a/buddy.go
+++ b/buddy.go
@@ -1,5 +1,9 @@
 package main
 
+import (
+	"time"
+)
+
 type Buddy struct {
 	Nick    string
 	Receive chan Message
@@ -7,9 +11,31 @@ type Buddy struct {
 }
 
 func NewBuddy(nick string, room *Room) *Buddy {
-	// TODO: Implement me!
+	return &Buddy{
+		Nick:    nick,
+		Receive: make(chan Message),
+		room:    room,
+	}
 }
 
 func (b *Buddy) Leave() {
 	b.room.Leave(b.Nick)
 }
+
+func (b *Buddy) Push(msg Message) {
+	go func() {
+		select {
+		case b.Receive <- msg:
+		case <-time.Tick(time.Millisecond * 100):
+		}
+	}()
+}
+
+// Say sends a text as a chat message of this user to the connected room.
+func (b *Buddy) Say(text string) {
+	b.room.Messages <- Message{
+		Type: MsgChat,
+		User: b.Nick,
+		Text: text,
+	}
+}
diff --git a/rooms.go b/rooms.go
index c732bb6..723fc98 100644
--- a/rooms.go
+++ b/rooms.go
@@ -35,7 +35,7 @@ func (r *Room) Leave(nick string) {
 func (r *Room) Broadcast() {
 	for m := range r.Messages {
 		for _, buddy := range r.Buddies {
-			buddy.Receive <- m // TODO: What happens when this locks?
+			buddy.Push(m)
 		}
 	}
 }
diff --git a/websock.go b/websock.go
index bdb7546..6b69788 100644
--- a/websock.go
+++ b/websock.go
@@ -3,7 +3,6 @@ package main
 import (
 	"code.google.com/p/go.net/websocket"
 	"github.com/gorilla/mux"
-	"log"
 	"net/http"
 )
 
@@ -54,8 +53,14 @@ func AcceptWebSock(rw http.ResponseWriter, req *http.Request) {
 					continue
 				}
 
-				// TODO: Broadcast messsage
+				buddy.Say(s)
 			}
 		}()
+
+		for m := range buddy.Receive {
+			if send(m) != nil {
+				return
+			}
+		}
 	}).ServeHTTP(rw, req)
 }
-- 
cgit v1.2.3-70-g09d2