Commit of mostly working code.

client.go

@@ -0,0 +1,25 @@
+package main
+
+import "github.com/gorilla/websocket"
+
+type Client struct {
+	hub  *Hub
+	conn *websocket.Conn
+}
+
+func (c *Client) close() {
+	c.hub.unregisterClient(c)
+	_ = c.conn.Close()
+}
+
+// keepAlive This keeps the connection alive until a disconnect happens.
+func (c *Client) keepAlive() {
+	defer c.close()
+
+	for {
+		_, _, err := c.conn.ReadMessage()
+		if err != nil {
+			break
+		}
+	}
+}