[pkg] update vendor

1 files changed, 54 insertions, 0 deletions

diff --git a/vendor/github.com/pion/srtp/v2/option.go b/vendor/github.com/pion/srtp/v2/option.go
new file mode 100644
index 0000000..d6159f1
--- /dev/null
+++ b/vendor/github.com/pion/srtp/v2/option.go
@@ -0,0 +1,54 @@
+package srtp
+
+import (
+	"github.com/pion/transport/replaydetector"
+)
+
+// ContextOption represents option of Context using the functional options pattern.
+type ContextOption func(*Context) error
+
+// SRTPReplayProtection sets SRTP replay protection window size.
+func SRTPReplayProtection(windowSize uint) ContextOption { // nolint:golint
+	return func(c *Context) error {
+		c.newSRTPReplayDetector = func() replaydetector.ReplayDetector {
+			return replaydetector.WithWrap(windowSize, maxSequenceNumber)
+		}
+		return nil
+	}
+}
+
+// SRTCPReplayProtection sets SRTCP replay protection window size.
+func SRTCPReplayProtection(windowSize uint) ContextOption {
+	return func(c *Context) error {
+		c.newSRTCPReplayDetector = func() replaydetector.ReplayDetector {
+			return replaydetector.WithWrap(windowSize, maxSRTCPIndex)
+		}
+		return nil
+	}
+}
+
+// SRTPNoReplayProtection disables SRTP replay protection.
+func SRTPNoReplayProtection() ContextOption { // nolint:golint
+	return func(c *Context) error {
+		c.newSRTPReplayDetector = func() replaydetector.ReplayDetector {
+			return &nopReplayDetector{}
+		}
+		return nil
+	}
+}
+
+// SRTCPNoReplayProtection disables SRTCP replay protection.
+func SRTCPNoReplayProtection() ContextOption {
+	return func(c *Context) error {
+		c.newSRTCPReplayDetector = func() replaydetector.ReplayDetector {
+			return &nopReplayDetector{}
+		}
+		return nil
+	}
+}
+
+type nopReplayDetector struct{}
+
+func (s *nopReplayDetector) Check(uint64) (func(), bool) {
+	return func() {}, true
+}