Re-organisation. Added file utility to calculate upload/download slot count by connection speed (we should probably add a config value in the file server to override this, but it's good for people who are lazy)

global/global.go

@@ -0,0 +1,25 @@
+package global
+
+import (
+	crand "crypto/rand" // Probably better than math/rand for this
+	"log"
+)
+
+func GenerateRandomString(length int) string {
+	// C# had optional parameters that allowed lowercase for chardata and gpose lobbies, Go doesn't.
+	// We can probably get away with just uppercase.
+	allowedArray := []rune("ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
+	random := make([]byte, length)
+	_, err := crand.Read(random)
+	if err != nil {
+		log.Fatalf("Couldn't generate secure slice: %s", err)
+	}
+	allowedLength := len(allowedArray)
+	i := 0
+	charArray := make([]rune, length)
+	for i < length {
+		charArray[i] = allowedArray[int(random[i])%allowedLength] // Casting random[i] due to type mismatch
+		i++
+	}
+	return string(charArray)
+}

global/global_test.go

@@ -0,0 +1,17 @@
+package global
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestGenerateRandomString(t *testing.T) {
+	fmt.Println("Test: 8 chars")
+	fmt.Println(GenerateRandomString(8))
+	fmt.Println("Test: 10 chars")
+	fmt.Println(GenerateRandomString(10))
+	fmt.Println("Test: 15 chars")
+	fmt.Println(GenerateRandomString(15))
+	fmt.Println("Test: 30 chars")
+	fmt.Println(GenerateRandomString(30))
+}