cleaned up structure

hlog/logfile.go

@@ -0,0 +1,23 @@
+package hlog
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/pkg/errors"
+)
+
+// Returns a pointer to a new log file with the specified path.
+// Remember to call file.Close() when finished writing to the log file
+func NewLogFile(path string) (*os.File, error) {
+	logPath := filepath.Join(path, "server.log")
+	file, err := os.OpenFile(
+		logPath,
+		os.O_APPEND|os.O_CREATE|os.O_WRONLY,
+		0663,
+	)
+	if err != nil {
+		return nil, errors.Wrap(err, "os.OpenFile")
+	}
+	return file, nil
+}