[#1255] node/session: Add persistent session storage

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>

pkg/services/session/storage/persistent/options.go

@@ -0,0 +1,38 @@
+package persistent
+
+import (
+	"time"
+
+	"go.uber.org/zap"
+)
+
+type cfg struct {
+	l       *zap.Logger
+	timeout time.Duration
+}
+
+// Option allows setting optional parameters of the TokenStore.
+type Option func(*cfg)
+
+func defaultCfg() *cfg {
+	return &cfg{
+		l:       zap.L(),
+		timeout: 100 * time.Millisecond,
+	}
+}
+
+// WithLogger returns an option to specify
+// logger.
+func WithLogger(v *zap.Logger) Option {
+	return func(c *cfg) {
+		c.l = v
+	}
+}
+
+// WithTimeout returns option to specify
+// database connection timeout.
+func WithTimeout(v time.Duration) Option {
+	return func(c *cfg) {
+		c.timeout = v
+	}
+}