1 files changed, 40 insertions, 0 deletions
diff --git a/vendor/github.com/pion/turn/v2/internal/allocation/permission.go b/vendor/github.com/pion/turn/v2/internal/allocation/permission.go
new file mode 100644
index 0000000..03538eb
--- /dev/null
+++ b/vendor/github.com/pion/turn/v2/internal/allocation/permission.go
@@ -0,0 +1,40 @@
+package allocation
+
+import (
+	"net"
+	"time"
+
+	"github.com/pion/logging"
+)
+
+const permissionTimeout = time.Duration(5) * time.Minute
+
+// Permission represents a TURN permission. TURN permissions mimic the address-restricted
+// filtering mechanism of NATs that comply with [RFC4787].
+// https://tools.ietf.org/html/rfc5766#section-2.3
+type Permission struct {
+	Addr          net.Addr
+	allocation    *Allocation
+	lifetimeTimer *time.Timer
+	log           logging.LeveledLogger
+}
+
+// NewPermission create a new Permission
+func NewPermission(addr net.Addr, log logging.LeveledLogger) *Permission {
+	return &Permission{
+		Addr: addr,
+		log:  log,
+	}
+}
+
+func (p *Permission) start(lifetime time.Duration) {
+	p.lifetimeTimer = time.AfterFunc(lifetime, func() {
+		p.allocation.RemovePermission(p.Addr)
+	})
+}
+
+func (p *Permission) refresh(lifetime time.Duration) {
+	if !p.lifetimeTimer.Reset(lifetime) {
+		p.log.Errorf("Failed to reset permission timer for %v %v", p.Addr, p.allocation.fiveTuple)
+	}
+}