Changed SessionID format.

Pusher libs are validating the sessionID format. So I need to conform
with its format.

ipe/websockets.go

@@ -226,7 +226,7 @@ func wsHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	sessionID := utils.RandomHash()
+	sessionID := utils.GenerateSessionID()
 
 	if err := onOpen(conn, w, r, sessionID, app); err != nil {
 		emitWSError(err, conn)

utils/utils.go

@@ -6,10 +6,11 @@ package utils
 
 import (
 	"crypto/hmac"
-	"crypto/rand"
 	"crypto/sha256"
-	"encoding/base32"
 	"encoding/hex"
+	"fmt"
+	"math/rand"
+	"time"
 )
 
 // HashMAC Calculates the MAC signing with the given key and returns the hexadecimal encoded Result
@@ -22,12 +23,9 @@ func HashMAC(message, key []byte) string {
 }
 
 // Generate a new random Hash
-func RandomHash() string {
-	b := make([]byte, 25)
+func GenerateSessionID() string {
+	MAX := 999999999
+	rand.Seed(time.Now().Unix())
 
-	if _, err := rand.Read(b); err != nil {
-		panic("websockets: Could not generate a random session ID")
-	}
-
-	return base32.StdEncoding.EncodeToString(b)
+	return fmt.Sprintf("%d.%d", rand.Intn(MAX), rand.Intn(MAX))
 }

utils/utils_test.go

@@ -0,0 +1,20 @@
+// Copyright 2015 Claudemiro Alves Feitosa Neto. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package utils
+
+import (
+	"fmt"
+	"regexp"
+	"testing"
+)
+
+func TestGenerateSession(t *testing.T) {
+	sessionID := GenerateSessionID()
+
+	fmt.Println(sessionID)
+	if matched, _ := regexp.MatchString("^\\d+\\.\\d+$", sessionID); !matched {
+		t.Errorf("Must match ^\\d+\\.\\d+$, value: '%s'", sessionID)
+	}
+}